What happens to the starting torque of a wound-rotor motor when you increase the resistance in series with the rotor windings?
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Wound rotor motors are also referred to as “slip ring motors.”During starting, this resistance is placed in series with the rotor windings. This added resistance causes the rotor current to run more in phase with the stator current, which increases the torque that is developed.
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Wound rotor motors are also referred to as “slip ring motors.” ... During starting, this resistance is placed in series with the rotor windings. This added resistance causes the rotor current to run more in phase with the stator current, which increases the torque that is developed.
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