EXCITATION VOLTAGE Ef and terminal voltage Vt.Load angle (δ) or TORQUE angle is negative when rotor fields leads the resultant field and it is positive when the rotor field lags the resultant field.When δ is negative, the electromagnetic torque is in the OPPOSITE direction to the rotor rotation and must be balanced by an external mechanical torque for the rotor to run at synchronous speed.With positive δ, electromagnetic torque is in the same direction to the rotor rotation.For generator:For motor:

"> EXCITATION VOLTAGE Ef and terminal voltage Vt.Load angle (δ) or TORQUE angle is negative when rotor fields leads the resultant field and it is positive when the rotor field lags the resultant field.When δ is negative, the electromagnetic torque is in the OPPOSITE direction to the rotor rotation and must be balanced by an external mechanical torque for the rotor to run at synchronous speed.With positive δ, electromagnetic torque is in the same direction to the rotor rotation.For generator:For motor:

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What are the signs of load angle in an alternator during generator and motor operations, respectively?

General Knowledge General Awareness in General Knowledge . 6 months ago

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The load angle is the angle between the no-load EXCITATION VOLTAGE Ef and terminal voltage Vt.Load angle (δ) or TORQUE angle is negative when rotor fields leads the resultant field and it is positive when the rotor field lags the resultant field.When δ is negative, the electromagnetic torque is in the OPPOSITE direction to the rotor rotation and must be balanced by an external mechanical torque for the rotor to run at synchronous speed.With positive δ, electromagnetic torque is in the same direction to the rotor rotation.For generator:For motor:

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Posted on 26 Nov 2024, this text provides information on General Knowledge related to General Awareness in General Knowledge. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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