The field circuit of a 125-volt dc generator has a resistance of 50 ohms and an inductance of 12.3 henrys. A discharge resistor of 144 ohms is connected directly across the field winding at the instant the main switch is opened. What voltage appears at the winding terminals at t = 0, and what is the initial rate of current change?

The field circuit of a 125-volt dc generator has a resistance of 50 ohms and an inductance of 12.3 henrys. A discharge resistor of 144 ohms is connected directly across the field winding at the instant the main switch is opened. What voltage appears at the winding terminals at t = 0, and what is the initial rate of current change?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter31: Three-phase Alternators

Section: Chapter Questions

Problem 1RQ: What conditions must be met before two alternators can be paralleled together?

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