Engine : Electricity - 14/1386
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| Auto-transformer starters, sometimes called starting compensators, are sometimes used with larger polyphase induction motors. What function do they perform? |
| A) they allow the voltage to be either stepped up or down, depending on the application, to ensure full torque |
| B) they provide a backup means of voltage regulation for emergency starting |
| C) they increase the voltage for 'across-the-line starting' |
| D) they reduce the voltage applied to the motor during the starting period |
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