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What happens if field winding of a running dc shunt motor suddenly breaks open?
Wiki User
∙ 11y ago
when the field winding of a running dc shunt motor suddenly breaks open the motor fails to run because in the motor the stationary winding is armature and rotatory is field winding
Wiki User
∙ 11y ago
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Can a 230-460 volt motor be connected to a 120-208 volt circuit?
Yes it will run. That said you will be shortening the life of the motor due to the excessive heat generated at the higher voltage. The insulation of the motor winding is related to the voltage that is applied to the motor. With excessive heat comes insulation breakdown. Once the insulation breaks down, the winding will start to short circuit. With a short circuit on the motor winding copper wire is lost. Think of a welder when an arc is struck. Once this happens to a motor it becomes non operational and a rewind is the only way that the motor is going to become operational again.Install a Buck & Boost transformer rate for the HP of the motor that will Buck the supply voltage for the motor down to 230 volts. This is the recommended way and the only way it should be done. Any good commercial electrical supply house can help you properly size the transformer that you will need.Read more: How_do_you_run_a_motor_208_volts_ac_in_a_230_volts_suply
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