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Dual Voltage 3-Phase Motor Winding Configuration Dual voltage 3-phase motors are designed to operate at two different voltages by configuring the winding connections in either series or parallel. For high voltage operation (typically 480V), the windings are connected in series, while for low voltage operation (typically 240V), the windings are connected in parallel. Here's a detailed explanation of the winding configurations: Winding Configuration High Voltage (480V) Configuration (Series Connection): In this configuration, the motor windings are connected in series to handle the higher voltage. Each phase of the motor has two windings, which are connected end-to-end (series). Low Voltage (240V) Configuration (Parallel Connection): In this configuration, the motor windings are connected in parallel to handle the lower voltage. Each phase of the motor has two windings, which are connected side-by-side (parallel). Winding Details Terminal Connections for Dual Voltage Motor T1, T2, T3: These are the primary terminals for connecting the motor to the power supply. T4, T5, T6: These are the secondary terminals that are used to change the winding configuration. High Voltage (480V) Series Connection In this configuration, the windings are connected in series as follows: Connect T1 to one end of winding 1A. Connect the other end of winding 1A to one end of winding 1B. Connect the other end of winding 1B to T4 (Series Connection). Repeat for phases 2 and 3: Connect T2 to one end of winding 2A. Connect the other end of winding 2A to one end of winding 2B. Connect the other end of winding 2B to T5. Connect T3 to one end of winding 3A. Connect the other end of winding 3A to one end of winding 3B. Connect the other end of winding 3B to T6. Low Voltage (240V) Parallel Connection In this configuration, the windings are connected in parallel as follows: Connect T1 to one end of winding 1A and T4 (Parallel Connection). Connect the other end of winding 1A to one end of winding 1B. Connect the other end of winding 1B to T7. Repeat for phases 2 and 3: Connect T2 to one end of winding 2A and T5. Connect the other end of winding 2A to one end of winding 2B. Connect the other end of winding 2B to T8. Connect T3 to one end of winding 3A and T6. Connect the other end of winding 3A to one end of winding 3B. Connect the other end of winding 3B to T9. Summary of Terminal Connections High Voltage (480V) Series Connection T1 to T4 T2 to T5 T3 to T6 Low Voltage (240V) Parallel Connection T1 to T4 and T7 T2 to T5 and T8 T3 to T6 and T9

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Dual Voltage 3-Phase Motor Winding Configuration Dual voltage 3-phase motors are designed to operate at two different voltages by configuring the winding connections in either series or parallel. For high voltage operation (typically 480V), the windings are connected in series, while for low voltage operation (typically 240V), the windings are connected in parallel. Here's a detailed explanation of the winding configurations: Winding Configuration High Voltage (480V) Configuration (Series Connection): In this configuration, the motor windings are connected in series to handle the higher voltage. Each phase of the motor has two windings, which are connected end-to-end (series). Low Voltage (240V) Configuration (Parallel Connection): In this configuration, the motor windings are connected in parallel to handle the lower voltage. Each phase of the motor has two windings, which are connected side-by-side (parallel). Winding Details Terminal Connections for Dual Voltage Motor T1, T2, T3: These are the primary terminals for connecting the motor to the power supply. T4, T5, T6: These are the secondary terminals that are used to change the winding configuration. High Voltage (480V) Series Connection In this configuration, the windings are connected in series as follows: Connect T1 to one end of winding 1A. Connect the other end of winding 1A to one end of winding 1B. Connect the other end of winding 1B to T4 (Series Connection). Repeat for phases 2 and 3: Connect T2 to one end of winding 2A. Connect the other end of winding 2A to one end of winding 2B. Connect the other end of winding 2B to T5. Connect T3 to one end of winding 3A. Connect the other end of winding 3A to one end of winding 3B. Connect the other end of winding 3B to T6. Low Voltage (240V) Parallel Connection In this configuration, the windings are connected in parallel as follows: Connect T1 to one end of winding 1A and T4 (Parallel Connection). Connect the other end of winding 1A to one end of winding 1B. Connect the other end of winding 1B to T7. Repeat for phases 2 and 3: Connect T2 to one end of winding 2A and T5. Connect the other end of winding 2A to one end of winding 2B. Connect the other end of winding 2B to T8. Connect T3 to one end of winding 3A and T6. Connect the other end of winding 3A to one end of winding 3B. Connect the other end of winding 3B to T9. Summary of Terminal Connections High Voltage (480V) Series Connection T1 to T4 T2 to T5 T3 to T6 Low Voltage (240V) Parallel Connection T1 to T4 and T7 T2 to T5 and T8 T3 to T6 and T9

@@NiketShahPlus thanks for reply. i want to know about winding digram. Does these low voltage and high voltage coils go in the same slot?