48 Slot 6 Pole Winding Diagram

• A Double layer winding means that each slot will house two coil sides (obviously belonging to two different coils). This is worth a read as it shows the series. Wiring Diagram Book A1 15 B1 B2 16 18 B3 A2 B1 B3 15 Supply voltage 16 18 L M H 2 Levels B2 L1 F U 1 460 V F U 2 L2 L3 GND H1 H3 H2 H4 F U 3 X1A F U 4 F U 5 X2A R Power On Optional X1 X2115 V 230 V H1 H3 H2 H4 Optional Connection Electrostatically Class 8640 2-Step Part-Winding Type 64 Class 8647 Primary-Resistor Type 65 Single Pole. 2007G & 2007R SPECIFICATION Valve Audio Amplifier Loudspeaker 8" slot pemanent magnet, moving coil type. Wiring Diagrams. Figure I-E represents a (4) phase motor with (12) slots and a (2) slot coil winding pitch. According to the dimensional relation in Section 2. At the top of the pole is 7200 volt distribution voltage while the output utilization voltage is 240 volts. Electric motor winding calculator The winding calculator allows you to find the optimum winding layout for your electric motor in a fast and convenient way. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. The invention relates to a single-layer short isometric winding of a 48-slot 4-pole three-phase asynchronous motor, belongs to the field of the structural design of motors, and aims at providing the single-layer short isometric winding which is capable of improving motor efficiency and saving wires, and is convenient to wind and simple in embedding the wires. 2、DC-:DC power cathode 3、A+、A-:Stepping motor one winding 4、B+、B-:Stepping motor other winding. Construction of a salient pole rotor is as shown in the figure at left. 4 is a magnetomotive force diagram produced by the winding arrangement of FIG. Finding number of pole pairs in a BLDC motor. Feasible combinations for a three-phase FSPM machines with magnets are given in (1) [1]. MST3 Construction and Operation Manual – Issue 1 Page 6 MST3 transceiver board specifications: 1. Lap & Wave Winding The armature winding is the most important part of the rotating machine. AS-183 wiring diagram. What is armature. In a specific preferred embodiment, the motor described above is a 48-volt, 412 horsepower motor. The frost. Page 4 of 41 Q536 Electrical-Electronic-Control Engineering 8/15/2019. AS-184 wiring diagram. Resources listed under Antenna Balun category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Hand-crafted electric guitar pickups, acoustic guitar pickups, bass pickups and pedals. Title: Example Calculation For 48 Slots And 4 Poles, Author: AC Windings, Length: 3 pages, Published: 2015-10-16. 685 Electric Machines Problem Set 5 Issued September 30, 2013 Due October 9, 2013. 1 MMF and Field Distribution of a Full-Pitch Winding for a Two Pole Machine 51. An induction motor, 3 phase induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce torque is obtained by electromagnetic induction from the magnetic field of the stator winding. Reply Delete. If you are using this unit as an isolation transformer with a primary of 120 or 240 or 480 volts and the secondary of 12/24, 16/32, or 24/48 (depending on the model) use the wiring diagram located on the inside of the cover to the wiring compartment. 9962 volts compared to 10 volts), while the secondary current is approximately ten times greater (0. Winding resistances By measuring on the mains plug the resistance in the mains winding and the cable is measured. 4 Pole Contactors in this section are rated for 9 up to 95 Amps. The current linkage created by the pole is accumulated by the ampere turns on the pole. In this video I try to explain About 48 slot 3-phase 4-Pole Induction motor winding process and calculations all data with Diagram. The effectiveness of the proposed winding concept is analyzed for 12-slot/10-pole. 82 for each machine. The double-layer P. may 7, 2018 - 36 slots 3 phase 6 pole induction motor rewinding diagram_full_hd - youtube Stay safe and healthy. According to the dimensional relation in Section 2. A four-pole machine, for example, has four groups of coils per phase or four "pole-phase groups". A 4-pole, 3-phase, double-layer winding is housed in a 36-slot stator for an ac machine with 60 c phase spread. A flux of 0. The wiring varnish/shellac has sharp edges, so be careful when removing the old windings. The mica composite insulation is designed for uniform ground insulation dielectric strength. Path: Home > Transformer Index > Power > Basic Hook Up Data To help our customers understand proper connections for dual primary and/or dual secondary transfomers we have prepared 4 examples (below) on a hypothetical dual primary & dual secondary transformer. 7 Calculation of Minimum Inductance 22. 3mm Stack length: 20—60mm Pole: 2 Turns range: 0—99999 Stator O. Images from Basil Networks permanent magnet brushless motors page. Feasible combinations for a three-phase FSPM machines with magnets are given in (1) [1]. 6 Leads Out, Wye Connection, Single Voltage, Full Winding - Across the Line Start: 434839 : Single Voltage Wye or Delta with Single Current Transformer: 438252: 438264: 6 Lead, 1. 5+ 6- T7 T8 T9 T10 T11 T12 R 450 Aux. 2-2 is the developed diagram corresponding to Figure 4. Q Steve • 12/17/2018, 6:24:23 PM How much are the 800279 adapters. As it is seen that, pole pitch is equal to total numbers of armature slots divided by total numbers of poles, this can alternatively referred as armature slots per pole. There are two ways to wind a coil. Easy to use calculator to determine the correct capacitor and coil values needed to construct a 1st, 2nd, or 3rd order passive crossover. If the coil span is equal to the pole pitch, then the armature winding is said to be full - pitched. It can be used with either concentric or lap windings. Portugal 0-every Monday. of slots — 24, Size of slot — 0. It is entirely possible to assemble a transformer such as the one above (one primary winding, two secondary windings) in which one secondary winding is a step-down and the other is a step-up. 48 to 0-61 (side), 0. Wicklungswiderstand Phase-Phase R20 31 15,1 36 12,8 15,5 3,65 11 6,3 3,9 2,2 1,1 0,45 0,37 Winding resistance Phase-Phase Wicklungsinduktivität Phase-Phase L mH 21 13,6 32 21 30 8 25 35 24 18 8,3 4,4 3,6 Winding inductance Phase-Phase. 6 Fractional Slot Windings 67. , low voltage. Coils manufactured as: a) Coils with identical coil span: W = p b) Concentric coils. Figure I-E represents a (4) phase motor with (12) slots and a (2) slot coil winding pitch. Problem 3: A conventional three-phase, four pole winding is wound in a 48 slot stator (so the number of slots per pole per phase is m = 4. LAYOUT OF THE MULTI-LAYER WINDINGS In Fig. Coil span is 7 short pitches. Page 1 of 2 - Step-by-step instructions for armature rewinding - posted in General Technical Info & Advice: Hi all, These are some scans of an old pamphlet from Simco Products, Inc. Motor Wiring Diagram 9 Lead, Dual Voltage (WYE Conn. Solution:Y A = 4 2 30 = 8 or 7. As time progresses, a strong north pole will appear at pole B 1 and then at pole C 1. 0 Continuous 1. winding of a (a) two pole and (b) four pole synchronous machine A great many synchronous machines have more than two poles. Short pitched or chorded coil: Coil span is less than the pole pitch. or single phase motor with centrifugal switch wiring diagram. If You New And Want To Learn Induction Motor Rewinding. For over 90 years, Grainger has built a tradition of serving businesses, big and small, with effortless ways to get the products and services they need. 2 pole lapwinding 2 coils per group 6 groups. 1 Tightening torques for inlet and outlet flanges 7 7. and give some farmula. q is called the number of slots per pole and phase. A 4-pole winding with three slots/pole/phase is shown in (a), and a 6-pole winding with two slots/pole/phase is shown in (b). in conventional symmetrical machines) in order to achieve good performance and lower MMF harmonic contents. Solution: slots per pole = 36/6= 6 According to the equation 8 â = 180/(s/p)= 30 0 ε Pitch Factor / coil span factor / chording factor, KP: while the two sides of similar coil are short pitched through an angle á, as displayed in the below diagram (b), the emf induced in the two coil sides comprise a phase angle difference of á 0. The armature and shunt field winding has resistance of 0. In lap winding a coil side under one pole is connected directly to a coil side which occupies a nearly corresponding position under the next pole by means of back connections, and this second coil is then connections, and this second coil is then connected back through the commutator segment, to a coil side under the original pole, but. Figure I-E represents a (4) phase motor with (12) slots and a (2) slot coil winding pitch. 3 Pole 15-100 Amp b Half module Twin: two single-pole, 15-15 to 40-15 Amp Quad: two single-pole and one 2-pole inner breaker, 15-15 to 15-40 Amp Bolt- on Interrupting rating of 10kA & 22kA b Full module 1 Pole 15-70 Amp 2 Pole 15-125 Amp 3 Pole 15-100 Amp Ground fault circuit interrupter b 1 and 2 Pole, 15- 60A, 5 and 30mA sensitivity. One-winding 12-pole synchronous motor. - Salient-pole rotor. Class 40°C 40°C 40°C 40°C 55°C 80°C 115°C 150°C 10°C 30°C 30°C 30°C 105°C 150°C 185°C 220°C Wiring Diagrams Figure 9-12. 6 mm) only 38 windings can be introduced into the winding space of the stator slot. Operate on 80M, 40M 20M and 17M via plug-in band modules. Neutral Bus Bars. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. This post is about the single phase 4 pole induction motor winding diagram with centrifugal switch. Usually, one side of every coil lies in the upper half of one slot and other side lies in the lower half of some other slot at a distance of approximately one pitch away (Fig. Pole changing 2. shows the winding arrangement depended on Slot Star Diagram [2]. Diagram 5 Figure 9-17. Left click, release and drag to measure at scale inside diagram. You could do a few more magic tricks if it was three poles, but that would make the switch fat and the market probably drops off very quickly the more esoteric you get. Haydon Kerk Stepper Motor Theory, Learn How Stepper Motor Linear Actuators Work. 6-POLE, 630KW, 50HZ (MAINS) * SIZE 450 3 AC 50HZ 500VD IM B 3 Would you please send us the winding information and diagram for a motor 1LA8 403-4AB90-Z. I have a 12 slot 14 pole motor, same type that i rewound before. Difference Between Lap & Wave Winding The insulator conductor house in an armature slot is known as an armature winding. or single phase motor with centrifugal switch wiring diagram. Plot MMF variation for IA = I, IB = IC = - I/2 c. 0 by Dr Malte (DrM) Clear. Parameters 48 slots, 16 poles 60 slots, 16 poles Pole pitch, mm 14. Per slot only one coil side is placed. The slot number of per pole per phase (SNPP) 0. Connector is an exact OE replacement on Chevy, Ford, GMC and Nissan. RCX07-432 : RCX H1304 4000KV Multirotor Brushless Motor for 120-150 Frame (7. The effectiveness of the proposed winding concept is analyzed for 12-slot/10-pole. A 7-pole round to 6-pole adapter, the Hopkins Trailer Connector Adapter # HM47445 will not actually require any wires - including the brake wire - to be connected to the adapter. In a more general case, q is a fractional number. This sequence repeats itself 60 times each second, or 3 600 times per minute. has a pole pair number of 2 and the second winding system a pole pair number of 8, a speed spread factor of 4 is achieved. Try to sepa-rate the primary and secondary windings if both are tuned. When 3rd tooth is energized, the next S-pole (red one in the picture) is in the position of 360/7=51. 40 10 48 32 4. Pole pitch: It is defined as number of armature slots per pole. MST3 Construction and Operation Manual – Issue 1 Page 6 MST3 transceiver board specifications: 1. 2007G & 2007R SPECIFICATION Valve Audio Amplifier Loudspeaker 8" slot pemanent magnet, moving coil type. (5) Make pole series wye connections per winding diagram. 6 Fractional Slot Windings 67. maximum, a strong north pole is created in the winding next to the rotor, as in Figure i 6-4. Double layer winding: Coil sides are arranged in two layers in a slot. Calculate the speed at which it is to be driven for rated load operation. It is usual in a distributed winding to distribute the series conductors in any phase of the winding among two or more slots under each pole. Slots per pole per phase (spp) = -. 1 illustrates a synchronous machine with a salient pole rotor. 3-5-1 Torque on the Rotor d-Axis. There are kinds of winding way when design a motor,there is a wave winding diagram for example Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Diagram 3 Figure 9-15. A three-pole motor solves this problem as well. b) A 3- , 6 pole, 50Hz cage motor is running with a slip of 4%. This number is denoted as nc s. Parameters 48 slots, 16 poles 60 slots, 16 poles Pole pitch, mm 14. CLOCK MOTOR: 125 VOLTS - 60 HZ. has a pole pair number of 2 and the second winding system a pole pair number of 8, a speed spread factor of 4 is achieved. 1 is to be connected to coil in slot no. For B-Tech 4th SEM EE & EEE [Part-I] Theory of salient pole machine: Blondel's two reaction theory, phasor diagram, direct axis and quadrature axis winding factors, armature reaction, the rotating field. A 200 amp service for a home can consume 48,000 VA (E*I) or 48 KVA. lcm for the pole slot combinations which allow the design of a fractional slot winding according to Tab. BASIC AC ELECTRICAL GENERATORS - 3 - As the South Pole moves away, the current in the winding decreases, returning to zero again when neither pole is close to the winding. Diagram 5 Figure 9-17. This step is crucial to providing a winding with good heat transfer, high bond strength, and protection against contamination. 5g) [RCX07-432] Review - This motor was designed for T-Type 3inch Propeller which is commonly used on 120-150 Quad Frame. As time progresses, a strong north pole will appear at pole B 1 and then at pole C 1. Employed in industrial motor controls, servos, robotics, power-train units in hybrid- and full-electric vehicles, and many other applications that require precise shaft rotation, resolvers can withstand severe conditions for a very long time, making them the perfect choice for military systems in harsh environments. A wiring diagram is a simple visual representation of the physical connections and physical layout of an electrical system or circuit. Test voltage to be 1500 Figure 11-20. The developed winding diagram is as shown in Fig. Racing #11. 6) shows a simple wave winding. ) T1 T4 T7 T8 T5 T2 T9 T6 T3 Y - Connection Lo - Volts Hi - Volts Line B109144 6 3 2 1 2 1 9 8 7 3 9 8 7 5 4 6 5 4 To reverse direction of rotation interchange connections L1 and L2. A 4-pole, 3-phase motor. The design of the 6/8 pole changing winding is presented based on the slot-number phase diagram method. The 48 Slot and 72 Slot machines had consistent 2D and 3D waveform characteristics 6. o (D) The diagram is a wiring diagram. Here I Described and Calculate All Data. 20 Free Spins; Wager: 35x; Use Code: 20KINGS; January 7, 2018. Pole-Mounting Bracket Ordering Information CATALOG NUMBER PART NUMBER DESCRIPTION R51B F005190 Hanger bracket 27" long, aluminum for strand mounted components BUPPM4NG F1008945 Metal pole-mounting bracket for 25, 50 and 100 pair BUPNG closures PKGPM F602780 Metal pole-mounting hardware for all closures, RUS accepted. What is the induced voltage per phase when the alternator is driven at 1800 RPM, with flux of 0. Circuit Breakers. 2: Stator coil representation showing the A1 coil through which the current is passed for. 3 mWb, and the speed is 375 rpm. First up, the old 42 pole conversion. So from slot No. The paper presents a new double layer three phase 4 to 6 pole-changing winding, with 48 slots and 6 terminals. induction motor are started by inserting resistances so, the stator winding of slip ring induction can be connected either in star or delta. 10 Distributed winding stator and the number of poles In the case of a 24-slot stator, various numbers of poles are possible. 1 Rotor Slot Leakage Reluctance 6 Nonlinear F'requency-Domain Modeling of Synchronous Machines 96 6. The short-circuited copper coil described above is placed in this slot. BASIC AC ELECTRICAL GENERATORS - 3 - As the South Pole moves away, the current in the winding decreases, returning to zero again when neither pole is close to the winding. Easy to use calculator to determine the correct capacitor and coil values needed to construct a 1st, 2nd, or 3rd order passive crossover. Slots Per Pole: The number of slots in the armature core divided by the number of poles constituting the field. Thermal Map- HelicalPump SlotWith Argon Gas and Mica Thermal Insulation--Design No 74 100 6Z. In This Video I Showed Motor Rewinding 36 Slots 3 Phase 6 Pole With Diagram. these jumpers. Each of the terminals of a double pole double switch can either be in 1 of 2 positions. The auxiliary or start winding overlaps the main or run winding. You can ask a internal connection diagram for any slot/pole combination with q < 1 for balanced three phase windings. The winding factor for a specific winding expresses the ratio of flux linked by that winding compared to flux that would have been linked by a single-layer full-pitch non-skewed integer-slot winding with the same number of turns and one single slot per pole per phase. In one complete volume, this essential reference presents an in-depth overview of the theoretical principles and techniques of electrical machine design. Number of commutator bars for a 4-pole, 2-layer, DC lap winding with 24 slots and one conductor per layer is (A) 48 (B) 24 (C) 192 (D) 96 asked Apr 28, 2018 in Electrical Engineering by Q&A. All Elite boom poles were in essence, designed by you, our customers. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. slot is the length of the winding part inside the slot, and I slot is the total current in the slot. 24 30 36 48 6110 6230 6330 3440 Pin 6 GND Hall sensor 1* Pin 7 Motor winding 1 Hall sensor 2* Wiring diagram for Hall sensors see p. You could do a few more magic tricks if it was three poles, but that would make the switch fat and the market probably drops off very quickly the more esoteric you get. Figure 1 shows a diagram of a conventional permanent magnet rotor step motor. 65 1) Latch and reset coil voltages and resistances are the same (unlike coils on request). 3m and the length of the core 0. So, for example, if you have a 4 pole motor on 60 Hz then RPM=60*(2/4)*60=1800 rpm. Full text of "example calculation for 48 slots and 4 poles. A 4-pole, 3-phase, double-layer winding is housed in a 36-slot stator for an ac machine with 60 o phase spread. " Figure 1-5. Its winding can be connected either in single-phase or in two-phase system, which results in different operation of the motor The objective of the thesis is to analyze and compare the performances of the AFPM BLDC motor with single-phase winding and two-phase winding. 48 to 0-61 (side), 0. Hall sensors or rotary encoders are most commonly used to sense the position of the rotor and are positioned around the stator. The ROTOR may be a 2-pole type having a single NORTH and a single SOUTH magnetic pole. To facilitate winding reconfiguration, the machine was customized by re-winding the stator for both 4- and 8-pole connections and bringing out 48 winding leads to interface to a switch network. This post is about the single phase 4 pole induction motor winding diagram with centrifugal switch. This makes the the double pole double throw switch a very versatile switch. There are also other ways, such as wave windings. At right is a diagram of the stator factory winding. second column is the phase assignment for 3-pole stator, third column is for 6-pole, then 9-pole, 12-pole, and 15-pole. * is not an integral factor of 36. What is capacity of the muti-pole stator winding machine? It depends on the turns no. It can be used with either concentric or lap windings. Usually before a brushless motor design can. q is called the number of slots per pole and phase. 6 | IEC & NEMA Enclosed starters Catalog number explanation Combination starter AF09 1 S F 1 - 2 H 1 A Contactor size AF09 AF145 AFN00 AF12 AF185 AFN0 AF16 AF210 AFN1 AF26 AF260 AFN2 AF30 AF300 AFN3 AF63 AF460 AFN4 AF75 AF580 AF110 AF750 Starter type 1 - Non reversing 2 - Reversing 3 - 2 Speed, 1 winding 4 - 2 Speed, 2 winding Single phase. Shaded-pole. A Double Pole Double Throw (DPDT) switch is a switch that has 2 inputs and 4 outputs; each input has 2 corresponding outputs that it can connect to. AS-193 wiring diagram. The winding factor for a specific winding expresses the ratio of flux linked by that winding compared to flux that would have been linked by a single-layer full-pitch non-skewed integer-slot winding with the same number of turns and one single slot per pole per phase. An induction motor's rotor can be either wound type or squirrel-cage type. A Dahlander motor (also known as a pole changing motor, dual- or two speed-motor) is a type of multispeed induction motor, in which the speed of the motor is varied by altering the number of poles; this is achieved by altering the wiring connections inside the motor. A 4-pole, 3-phase, double-layer winding is housed in a 36-slot stator for an ac machine with 60 c phase spread. It is entirely possible to assemble a transformer such as the one above (one primary winding, two secondary windings) in which one secondary winding is a step-down and the other is a step-up. Lecture 6 Three Phase Induction Motors Dr. A 3-phase machine has 4 poles and 48 armature slots. can you please guid me how to re wind it. Number of commutator bars for a 4-pole, 2-layer, DC lap winding with 24 slots and one conductor per layer is (A) 48 (B) 24 (C) 192 (D) 96 asked Apr 28, 2018 in Electrical Engineering by Q&A. 5+19 Copper: 4. 4 poles X 3 phases = 12 sets of coils. The number of slots per pole per phase will be 3 [(18/2)/3 = 3]. 9962 volts compared to 10 volts), while the secondary current is approximately ten times greater (0. Also note that the diagram gives no information about the coil-span or pitch; thus for example in the 36-slot case a full-pitch winding would have a coil-span of 9, but 8, 7 or 6 could also be used (all with 2 coil-sides per slot). This means that a particular phase will consists of three coils distributed in three slots under a single pole. Better emf waveform in case of generators. Full Pitched, 2. Aurora AFX ULTRA-5 Slotless HO Slot Cars (c. 6 (ii)), the fluxes produced by these currents are given by: sin ( t 240. Call today for a free consultation!. 8 1 Winding factor k w as a function of q Winding factor, k w Number of slots per pole per phase, q γ 2γ 3γ Fig 3 Fundamental winding factor kw as a function of q and slot pitch Table 1 show how the resulting coil pitch angle varies for different values of q. Foley Lawrence Livermore National Laboratory Mail Stop L-463 P. Double Pole GFCI Wiring Diagram Siemens GFCI circuit breakers are UL Listed and CSA Certified as Class A devices. Slots per pole per phase (spp) = -. Coil span or coil pitch (Ys): It is the distance between the two sides of a coil measured in terms of armature slots. In the most common speed ratings, the NEMA designation of medium motors includes ratings of 1/2–500 hp for 2- and 4-pole machines, and up to 350 hp for 6-pole machines. 5 1 (see connection diagram) winding symmetrical, also for rotation. There are lots of ways to do it. provide the following: (a) a single pole filter, (b) a single pole with gain limiting for achieving both flat high and low frequency response, (c) a single pole/zero combination and (d) a two pole/two zero combination. The winding factor is 0. Then, the EMF phasors of coil side in per stator slot can be shown as Fig. Flux per pole is 0. When looking at the insulated winding space graphically and the required number of windings at a given wire diameter, it can be said that considering the space requirements for the winding nozzle (required groove width: about 3*0. Each time the commutator hits the point where it flips the field in a two-pole motor, the commutator shorts out the battery (directly connects the positive and negative terminals) for a moment. Winding resistances By measuring on the mains plug the resistance in the mains winding and the cable is measured. Unless a slot is partialy wound for each pole an eight pole motor would require a 24 or 48 slot stator. 74 100 61. A 4-pole, 3-phase motor. Aslan(1,2), E. Pole pitch is always equal to 180 o 7. Winding Diagram Of 3 Phase Induction Motor Posted on May 5, 2019 by admin Man gambling the following diagram shows developed winding of a 4 pole 24 slots 3 phase alternator 3 phase delta motor windings diagram wiring schematic librarywiring star connection in 3 phase motor winding diagrams wiring diagram3 simple diagramsac. Choosing here a coil pitch of 5 slot pitches. Calculate the speed at which it is to be driven for rated load operation. 6 Inner mm 0. 152 Dielectric constant 9. This note explains the basics of stepper motor driving and describes the drive techniques used today. Derive an expression for frequency of rotor current with suitable considerations. lcm for the pole slot combinations which allow the design of a fractional slot winding according to Tab. How to calculate new dc motor parameters of a modified winding Dc servomotor users sometimes find themselves with the right motor envelope, but the wrong winding characteristics for the job at hand. It is also possible to place two groups of conductors, each belonging to different sections, into the same slot. [email protected] Because 24 pole, 1 way rotary switches are not readily or economically available, two 12 pole rotary switches are used. Pole pitch is always equal to 180 o 7. AC vectors in Slot Star Diagram. 25 R C 3I3h I3h A, B, C Generator winding and terminal. p=4,A=2,N=1200,E=480 No. D: 50—150mm Main spindle speed: 0—450RPM Air pressure: 5-7kg/cm2 Voltage. Winding turns/slot Outer stator - 26 Inner stator - 18 Airgap length Outer mm 0. This 7-pole, sealed, RV-style trailer connector plugs into the factory socket on your truck or SUV. Helical Pump Stator Slot Node Diagram- Design No. And how to connect the both winding with one another. At the top of the pole is 7200 volt distribution voltage while the output utilization voltage is 240 volts. Determine the phase and the line voltages if each winding is connected in two parallel paths. A 10 MVA ,11 KV,50 Hz ,3-phase star-connected alternator s driven at 300 RPM. New Generation Series D-16/19 TWO-SPEED MOTORS with 2 separate windings (dual winding) High speed Red The paper presents a new double layer three phase 4 to 6 pole-changing winding, with 48 slots and 6 terminals. from the start coil of phase Y i. The discharge time of the current is determined during this phase by a monostable or pulse oscillator. Hence no of slots S= 16 Pole pitch = S/P = 16/4 = 8 slots. 5 3 Tooth width, mm 3 2. Dual Winding. MST3 Construction and Operation Manual – Issue 1 Page 6 MST3 transceiver board specifications: 1. The coil span is reduced by one slot. Short-Pitched by one slot 3. Wave winding is one type of armature winding. is there any method to know about it. For example, in a 4160 volt stator winding (2400 Volt line-to-ground), the winding may have 10 coils connected in series, with each coil consisting of 10 turns, yielding 100 turns between the phase terminal and neutral. DODGE STOCK CAR. And alternatively, we know that it can be determined from Slot Star Diagram [2]. And how to connect the both winding with one another. PITCH FACTOR CALCULATION Pitch Factor is calculated by dividing the coil throw (-) 1 (coil span),. The toroid core is wound with 47/48 turns of 16-gauge antenna wire (see note above about smaller diameter Cu wire). Subject Code - BEE 1401. It can be used with either concentric or lap windings. Brushless DC Motors K. m 7 12 10 6 5. Figures I-E and I-F are brushless designs with (6) pole imbedded rotor magnets. 1 Winding factor and MMF mechanical harmonic spectrums for a, b) 9 slot 6 pole, c, d) 12 slot 8 pole, e, f) 12 slot 10 pole double layer concentrated winding PMSMs 26. windings MAIN FIELD STATOR : 6 or12-wire (marking T1 to T 12) Voltage reference T1 T2 T3 T4 T5 T6 V a r i s t o r 5+ 6- T7 T8 T9 T10 T11 T12 R 450 PMG MAIN FIELD STATOR : 6 or 12-wire (marking T1 to T12) Voltage reference. The torque of an electric motor is proportional to the fundamental winding. permanent Min deposit: €10 Code: MAGIC. Each slot is divided into a lower half and an upper half, the halves separated by insulating paper. Pole – pitch. 3 shows the winding diagram for a four-pole/six-pole P. In order to obtain a higher fundamental winding factor when winding is 6-pole connected, a degree of asymmetry is accepted for the winding. The inductance L determines the maximum rate of change of the current in the winding according to the formula for an Inductor dI/dt = V/L. Explain the unbalanced operation of the induction motor. A pole-amplitude modulation type, speed-changing, 3-phase alternating current electric motor or generator having a composite stator winding comprising two 3-phase winding components. Phasor diagram of a synchronous generator (similar to that of a transformer) Since the voltages in a synchronous generator are AC voltages, they are usually expressed as phasors. ถามพี่ช่างซ่อมมอเตอร์ รบกวนถาม Diagram 48 slot 6 pole ครับ Denchai 03/04/2562 18:31 น. Problem 3: A conventional three-phase, four pole winding is wound in a 48 slot stator (so the number of slots per pole per phase is m = 4. shows the winding arrangement depended on Slot Star Diagram [2]. Carrera 21115 Marshals, 1:32 scale - Digital 124/132 & Analog Item: 21115 List: $22. CLOCK MOTOR: 125 VOLTS - 60 HZ. an optimal stator and rotor pole numbers until [1]. The 48 Slot and 72 Slot machines had consistent 2D and 3D. There are 2 coil sides per slot. Full Pitched, 2. If You New And Want To Learn Induction Motor Rewinding. It showed the formula (2). Working environment:Temperature-15~50℃ Humidity<90%。 I/O Ports: 1、DC+:DC power positive pole Note: Must guard against exceeding 50V, so as not to damage the module. Thermal Map- Helical Pump End Turn With Argon Gas and i: Mica Thermal Insulation --Design No. Because 24 pole, 1 way rotary switches are not readily or economically available, two 12 pole rotary switches are used. The frost. This number is denoted as nc s. could u please make understand with drawing of three phase stator with pole and winding connection. First off I hope ive posted this in the right section. 4 Concentric Windings 62. can you guide me how can i rewind a celling fan if i do not know about its coil turns and wire gague. And alternatively, we know that it can be determined from Slot Star Diagram [2]. Hand-crafted electric guitar pickups, acoustic guitar pickups, bass pickups and pedals. The objective is to reduce the ac losses, especially at high speeds, utilizing optimized and asymmetric conductor heights within a slot for bar-wound stators. The 1:24 scale is the largest available, with every inch on the model representing 24 inches on the real car. QO 100 Amp 2-Pole Outdoor Circuit Breaker Enclosure with QO2100 Breaker Included: BR 100 Amp 40-Circuit Main Breaker Indoor Plug On Neutral Load Center Contractor Kit ((2) BR120 and (1) BR230) Homeline 100 Amp 24-Space 48-Circuit Indoor Main Breaker Plug-On Neutral Load Center with Cover - Value Pack. 962E-04 Secondary winding Notice how the secondary voltage is approximately ten times less than the primary voltage (0. acme electric † milwaukee, wi † 800. Problem 3: A conventional three-phase, four pole winding is wound in a 48 slot stator (so the number of slots per pole per phase is m = 4. ee Abstract This paper analyzes of toroidal winding permanent magnet axial-flux wind generator. To see how rotating field is produced, consider a 2-pole, 3i-phase winding as shown in Fig. A phasor diagram of a synchronous generator with a unity power factor (resistive load). Winding Diagram Of 3 Phase Induction Motor Posted on May 5, 2019 by admin Man gambling the following diagram shows developed winding of a 4 pole 24 slots 3 phase alternator 3 phase delta motor windings diagram wiring schematic librarywiring star connection in 3 phase motor winding diagrams wiring diagram3 simple diagramsac. For example, if there are 36 conductors and 4 poles, then the pole pitch is 36/4=9. Two-layer Winding. Try to sepa-rate the primary and secondary windings if both are tuned. of your BLDC stators, WIND-3-TSM is suitable for wire size range from 0. (5) These 7620V regulators can be operated at 7960V, 7620V, 7200V, 5000V, 4800V, 4330V, 4160V, 2500V and 2400V at rated amperes. 1) Design a suitable double –layer lap winding for a 6-pole dc armature with 18 slots and two coil sides per slot. A 3-phase, 16-pole alternator has the following data: (16M). Pole - pitch. for each slot in a so-called graded winding [1]. Obviously, this current depends on the phase current (I Phase), and on the type of phase-winding. Wind another 22 winds of wire in the same fashion as you did in the first winding. The developed winding diagram is as shown in Fig. 3 - Slotted Synchronous Machine Stator with Distributed A-Phase Winding Instead of having to draw all of the slots and windings each time, we represent each distributed coil by a concentrated coil located in the center of the distribution. Armature : Outside diameter— 18. The 46-pole 48-slot winding distribution is shown in Fig. 4 and setting the temperature rise according to your transformer's materials and environment. New Generation Series D-16/19 TWO-SPEED MOTORS with 2 separate windings (dual winding) High speed Red The paper presents a new double layer three phase 4 to 6 pole-changing winding, with 48 slots and 6 terminals. 9962 mA compared to 0. Pole pitch: It is defined as number of armature slots per pole. -speed diagram of the IM (5). hi my name is naseem joseph. This is shown in figure below. The above describes how the rotor's magnetic field subjects. ElecDirect stocks a wide range of four pole power contactors for rugged industrial applications. Search results Showing 1 - 20 of 50883 results. 6 1200 1140 8 900 850 #8: INSULATION CLASS Often abbreviated "INSUL CLASS" on nameplates, it is an industry standard classification of the thermal tolerance of the motor winding. , no motor manufacturer disclose it. 2 of AS/NZS 60335. The more poles the greater the torque so 8 pole motor will have more torque than a 6 pole. 295 rounds per coil. If it is an integer, all the phase belts have an equal, integer number of slots and the winding is called an integral slot winding. 685 Electric Machines Problem Set 5 Issued September 30, 2013 Due October 9, 2013. • Pitch = (span -1) × the number of rotor poles / total # of slots. inches 12 inches 10å inches Approx. The lights, the glitter, the glam – 48 Slot 6 Pole Winding there’s nothing really like it. Our flagship model, The Two Meter J-Pole Antenna comes in two different configurations, either as a one piece antenna for base station use, or as a two piece breakaway model great for portable operations. The slot is approximately one-third distance from the edge of the pole. Insulation is crucial in a motor. , the mechanical energy is converted into electrical energy, and the electrical energy is converted into mechanical energy. Thank you for the photos, Black Cat. The primary reason for making the coil span of a d. In this type of winding the coil side (A - B) progresses forward around the armature…. Winding selection motors cover a broader constant output range and offer a constant output ratio of 12:1 or better without using a speed change gearbox. Wave winding is one type of armature winding. The Following will assist you with Godown Wiring. , if slot no. It is named after its inventor Robert Dahlander (1870. every Wednesday Wager: 40x Min deposit: £10. 2、DC-:DC power cathode 3、A+、A-:Stepping motor one winding 4、B+、B-:Stepping motor other winding. 4 Pole Contactors in this section are rated for 9 up to 95 Amps. This type of winding is frequently used in both transmitters and receivers. 3-3-4 Obtaining Fluxes and Currents with Voltages as Inputs 40. In Figure 1, Design A, B and C performance curves represent the majority of 1 to 500 hp general purpose ac induction motor torque-versus-speed performance curves. 97 and pitch factor is 0. And how to connect the both winding with one another. 74 100 61. There are two types of armature winding. As the given coil has two coil sides, for a double layer winding total number of coils must be equal to the total number of slots. of conductors x no. In This Video I Showed Motor Rewinding 36 Slots 3 Phase 6 Pole With Diagram. 9962 mA compared to 0. 35 mm) beyond armature. AS-183 wiring diagram. 411-37-25: split throw winding. it lies in slot 5. Since the coil pitch must be odd, it can be taken as 5 or 7. Then for windings to be symmetrical it is essential that the denominator 'y' should be such that the no of pole pair is divisible by 'y'. , no motor manufacturer disclose it. Then two extra holes close spaced for ending the tuned winding. 3 Form-Wound Stators - Roebel Bar Type. Haydon Kerk Stepper Motor Theory, Learn How Stepper Motor Linear Actuators Work. The Power Series T1D212 Dual 2-Ohm subwoofer builds on innovative new Rockford Fosgate technologies. The winding factor is 0. Slots per pole per phase (spp) = -. Winding Single-Phased (Delta-Connected) A single-phased winding failure is the result of an open in one phase of the power supply to the motor. to solve such kind of issue. The number of slots per pole per phase will be 3 [(18/2)/3 = 3]. Thermal Map- Helical Pump End Turn With Argon Gas and i: Mica Thermal Insulation --Design No. Full text of "example calculation for 48 slots and 4 poles. For example, if there are 36 conductors and 4 poles, then the pole pitch is 36/4=9. You can investigate three-phase integer-slot, fractional-slot and concentrated windings, both with single and double winding layers where appropriate. 48 Slot, 22 Pole Machine 3D Model in ANSYS - Maxwell - RMxprt. Lap & Wave Winding The armature winding is the most important part of the rotating machine. LCM OF NUMBER OF SLOTS(NS) AND NUMBER OF POLEPAIRS (P) p Ns 3 6 9 12 15 18 21 24 1 6 6 18 2 12 12 36 60 36 84 3 18 30 42 4 24 24 72 24 120 72 168 5 30 30 90 60 30 90 210 120 6 36 60 36 84 7 42 42 126 84 210 126 42 168. 3 Distributed Windings 56. Paragon Stairs provides a wide range of staircase types, including floating and spiral. (a) 12 slot 10 pole (b) 9 slot 8 pole Fig. Title: Example Calculation For 48 Slots And 4 Poles, Author: AC Windings, Length: 3 pages, Published: 2015-10-16. -speed diagram of the IM (5). Rotery winding Core lenth: 165mm Slat dia: 45mm Swg:18. Referring to Fig. The winding factor is 0. Simple Bock Diagram G Prime Mover 6 Salient Pole Rotor & Stator 48. A 6-pole, 3-phase motor. 28 without 0. CLOCK MOTOR: 125 VOLTS - 60 HZ. Feasible combinations for a three-phase FSPM machines with magnets are given in (1) [1]. Based on the number of slots per pole and phase, named q, the windings can be classified. rather than 120 Elec. Each part of those has its identity and great importance, advantage and sometimes problems, now we will separately explain each part. COMPUTER AIDED ELECTRICAL DRAWING (CAED) 10EE65 Winding Diagrams: (i) DC Winding diagrams (ii) AC Winding Diagrams. As stated above, 36=3*3*2*2. 295 rounds per coil. Pole pitch: It is defined as number of armature slots per pole. schematic diagram on housing top) N I-O; ON-OFF (I N, on housing top) Auxiliary contacts H0without auxiliary contacts H1 with auxiliary contact H2 with auxiliary contact on one pole only (multipole) Auxiliary contact function (see internal connection diagrams) 2 1 N/O contact 3 1 N/C contact Auxiliary contact terminal design 6 screw/pressure. Example: In a 4 pole generator having a 48 slot armature core, the number of slots per pole would be 48 ÷ 4, or 12 slots per pole. Hopkins Trailer Connector Adapter - 7-Pole Round Pin to 6-Pole part number HM47445 can be ordered online at etrailer. The paper presents a new double layer three phase 4 to 6 pole-changing winding, with 48 slots and 6 terminals. In a single-phase BLDC motor, a four-slot stator contains the windings and the rotor is a four-pole permanent magnet. In This Video I Showed Motor Rewinding 36 Slots 3 Phase 6 Pole With Diagram. Paragon Stairs provides a wide range of staircase types, including floating and spiral. Calculate the winding factors for a winding that is: 1. Table 1 shows the temperature rise limits for NEMA medium electric motors based on a maximum ambient temperature of 40 C. This diagram illustrates some of the most common circuits found in a typical 200 amp circuit breaker service panel box. (1 + slots per pole = 1 + 6 = ) 7 or back pitch, Yb = 7, ie. Helical Pump Stator Slot Node Diagram- Design No. Therefore a 2=pole, 3-phase motor will have six poles. These bad boys have patented VAST technology that increases surface cone area up to 25% so the T1D212 performs like a much larger woofer over the previous model. With the coil wound as shown, the north seeking pole of the rotor is also at 0°. rather than 120 Elec. First off I hope ive posted this in the right section. To improve the starting, the synchronization capability and the steady state performance of dual-pole synchronous motors, conventional stator winding arrangement with two separate sets of windings is being replaced with a single set of Dahlander type winding. If there are 48 conductors and 4 poles, the pole pitch is 48/4 = 12. Finding number of pole pairs in a BLDC motor. ,LTD page - 1 - Add: No 26,Yuanshi Road,Hi-tech district, Ningbo,ZheJiang China Tel: 0086-574-87912671 Mobile: 0086-18067425780 Email: [email protected] Then, the EMF phasors of coil side in per stator slot can be shown as Fig. Godown Wiring Diagrams. 3 = 108 North- and south pole are generated by ONE coil group per phase. Electrical Wiring. The fundamental air-gap flux per-pole is 120 mWb. As stated above, 36=3*3*2*2. Each phase winding has a number of coils connected in series to form a definite number of magnetic poles. Most of our motors can be custom designed to operate with 12 volt, 24 volt, 36 volt, 48 volt or higher voltage. Better emf waveform in case of generators. The Following will assist you with Godown Wiring. In the developed diagram, spatial features (such as the location of the winding) are depicted against a linear axis. All diagrams are intended to illustrate the logic of a latching contol circuit. If double layer winding is to be use then 'y' should be divisible by 2. These 2 groups are separated by (4 x 7. THREE PHASE ALTERNATORS- BRUSH - COMPOUND REGULATION (10kVA - 37kVA / 50Hz) (12kVA - 44. every Wednesday Wager: 40x Min deposit: £10. Servo motors EMMS-AS Data sheet Technical data Flange size 140 Length S S L L Winding HS HV HS HV Motor Nominal voltage [V DC] 565 565 565 565 Nominal current [A] 4. You can investigate three-phase integer-slot, fractional-slot and concentrated windings, both with single and double winding layers where appropriate. AC vectors in Slot Star Diagram. The toroid core is wound with 47/48 turns of 16-gauge antenna wire (see note above about smaller diameter Cu wire). 35 mm) beyond armature. Winding Scheme Calculator. The winding configuration, slot configuration and lamination steel all have an effect on the performance of the motor. The main methods employed for speed control of induction motors are as follows: 1. Example: G2R-1A AC12 However, the notation of the coil voltage on the product case as well as on the packing will be marked as @@ VAC. The 46-pole 48-slot winding distribution is shown in Fig. The above describes how the rotor’s magnetic field subjects the stator windings to a polarity changing pulsating magnetic flux. Problem 3: A conventional three-phase, four pole winding is wound in a 48 slot stator (so the number of slots per pole per phase is m = 4. Pick-Up High output, turnover, crystal type. Hence, the pole pitch of that dc machine would be 24. The field winding is winding over pale. There are kinds of winding way when design a motor,there is a wave winding diagram for example Wave winding diagram example for electric motor 1. Figure 1 shows a diagram of a conventional permanent magnet rotor step motor. Slot Cars What Are the Most Common Slot Car Scales? There are three common slot car scales. The Power Series T1D212 Dual 2-Ohm subwoofer builds on innovative new Rockford Fosgate technologies. 7 we have to connect it to coil slot No. Front pitch (Yf): It is the distance, in terms of armature conductors, between the second conductor of one coil and the first. Solution: slots per pole = 36/6= 6 According to the equation 8 â = 180/(s/p)= 30 0 ε Pitch Factor / coil span factor / chording factor, KP: while the two sides of similar coil are short pitched through an angle á, as displayed in the below diagram (b), the emf induced in the two coil sides comprise a phase angle difference of á 0. Circuit Breakers. Figure 6: Torque-vs. If You New And Want To Learn Induction Motor Rewinding. it lies in slot 5. There will be one set of winding coils for each pole and for each phase. can you guide me how can i rewind a celling fan if i do not know about its coil turns and wire gague. AN2388 Background 5/54 Figure 1. Lecture 6 Three Phase Induction Motors Dr. 12-slot/10-pole, (a) MMF vector diagram = 1 and = 5 (b) Harmonic spectrum. When it is greater than 1, the winding structure is a conventional distributed winding. The number of slots per pole per phase will be 3 [(18/2)/3 = 3]. in conventional symmetrical machines) in order to achieve good performance and lower MMF harmonic contents. AC vectors in Slot Star Diagram. - Repeat this winding process to form the as 2 - as 2´ coil and the as 3 - as 3´ coil, assuming that the same number of turns, nc s, make up each coil. Single layer winding Example: Three-phase, 12-pole machine with q = 3 coils per pole and phase: Total slot number: Q = m. First up, the old 42 pole conversion. Search results Showing 1 - 20 of 50883 results. There are also other ways, such as wave windings. A 6-pole, 25-Hz, three-phase, Y-connected, synchronous generator has 36 slots. The rotor is the one that produces a rotating motion. This process is best illustrated by example; Figure 4. for each slot in a so-called graded winding [1]. Draw both the gain and phase plots for all four circuits indicating the location of all poles and zeros. double-layer winding in 36 slots, which is given as FIG. A two-pole motor has a synchronous speed of 3,000rpm at 50Hz and 3,600rpm at 60Hz. Hence no of slots S= 16 Pole pitch = S/P = 16/4 = 8 slots. Each end coil side of one phase group in a distributed winding is interchanged with the corresponding coil side from the adjacent phase group, called an interspersed winding [6]. 040 wb (h)speed of alternator is 600 rpm (i)Connection is star. This is called a bipolar drive. I took winding on the picture from winding book. Single layer winding Example: Three-phase, 12-pole machine with q = 3 coils per pole and phase: Total slot number: Q = m. Class 40°C 40°C 40°C 40°C 55°C 80°C 115°C 150°C 10°C 30°C 30°C 30°C 105°C 150°C 185°C 220°C Wiring Diagrams Figure 9-12. 3 110 110 82. The terms are used in sets. Problem 1: Assume a six slot, two pole stator with a narrow air-gap and a round rotor, which. Feasible combinations for a three-phase FSPM machines with magnets are given in (1) [1]. Read our full review. The stator is delta connected. Each has a stator carrying a three-phase winding distributed over its inner periphery. Figure 6 shows an example physical diagram for a three-phase, 8-pole, 12-coil, Delta connected motor/generator. Plot MMF variation for IA = I, IB = IC = - I/2 c. Here I Described and Calculate All Data. Lecture 6 Three Phase Induction Motors Dr. the notch (diagram 2), with the mast butt tabernacle pin inserted in the tabernacle slot. The first set of phase-group coils (coil-group 1) lying under one pole-pair are connected in series (finish end of the first coil is connected to the start of the next coil lying to the right of the first). A single-pole switch on the active of the receiver input of remote control must also be included in the wiring, and located the same. Godown Wiring Diagrams. 685 Electric Machines Problem Set 5 Issued September 30, 2013 Due October 9, 2013. The ROTOR may be a 2-pole type having a single NORTH and a single SOUTH magnetic pole. a The table values do not include the cable. The primary reason for making the coil span of a d. This 7-pole, sealed, RV-style trailer connector plugs into the factory socket on your truck or SUV. Stator core and windings 1. Draw both the gain and phase plots for all four circuits indicating the location of all poles and zeros. 2 (a) is the diagram for q=2/5. pdf (PDFy mirror)" See other formats nameplate data page 1/3 INPUT DATA core dimensions slot dimensions Manufacturer: Type: ASIF 225 M4 Power: 45 kW Voltage: 380 V Frequency: 50 Hz Connection: star Serial No: Full load amps: A Service factor: 1,00 PF - cos(fi): Insulation class: F (155 C) Enclosure: closed Motor appl: SI Note: Slots. Circuit Breaker Panel Box Wiring Diagram. Motor winding data, Motor Rewinding Data Ceiling Fan Winding Water Pump Winding All Type Motor Winding Motor coil winding data blogspot. Winding may be integral (q1 is integer) or fractional (q1 is fractional) slot winding. The design of the 6/8 pole changing winding is presented based on the slot-number phase diagram method. Some panels have only one long bar. Then, a pair of pseudo-6-phase 50 kW PMSMs are designed, constructed and validated in a custom designed calorimetric dynamo test stand. Alternators are air-cooled synchronous three-phase generators with claw poles and a built-in semiconductor rectifier. ritz usa, catalog, ritz usa produces low-voltage and medium-voltage instrument transformers and cast parts for the utility and oem sectors. 0 *Intermittent—special request only CONTACT RATINGS Volts DC Normally open Normally closed Continuous Inrush Continuous Inrush 6 200A 600A 100A 300A 200A 600A 100A 300A 24 & 36 200A. Class 40°C 40°C 40°C 40°C 55°C 80°C 115°C 150°C 10°C 30°C 30°C 30°C 105°C 150°C 185°C 220°C Wiring Diagrams Figure 9-12. A pole pitch is defined as the peripheral distance between identical points on two adjacent poles. Both classes of machine are similar in Stator construction point of view. 1 shows a cross-sectional diagram of the machine stator and rotor. winding diagram of the general form shown in FIG. Unknown 2 August 2018 at 23:41. Material used. The coil span is reduced by one slot. freq v(2) i(v1) 6. Current imbalances of 4-6 milliamps or more between load conductors will cause the ground fault sensor to trip the circuit Breaker. The winding wound on the stator of three phase induction motor is also called field winding and when this winding is excited by three phase ac supply it produces a rotating magnetic. Then, the EMF phasors of coil side in per stator slot can be shown as Fig. A 2-phase winding is illustrated. AC and DC types are both available for operational coils. What is the induced voltage per phase when the alternator is driven at 1800 RPM, with flux of 0. The shown 48 V inverter configuration is designed to generate a massive 2 kva of output power provided the devices are mounted on sufficiently large heatsinks and the battery rated at 48 V, 100 AH, also the transformer rated at 36-0-36V, 1 kva. The document also discusses how speed and directional control can interact with other components such as sound generators and action cars. , in the case of the generator the mechanical power is converted into an electrical energy and in the case of a motor the electrical energy is converted into mechanical energy. For completeness, let us include here the typical three-phase, N s = 36 slots, 2p 1 = 12 poles winding (Figure 3a and Figure 3b). It is based on V1. The generators of this 4 Pole Alternator series are three-phase, with brushes and they are characterised by a compound-type regulation on the 3 phases; besides a high pickup capacity (motors startup: 1 HP X KVA) they also provide good performances under a single phase connection. This winding can be supplied with 3-phase AC supply.