Discuss the types of oil circuit breakers. Please write more answer
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- (i) The full-load current, (ii) The full-load copper losses, (iii)The full-load efficiency, (iv)The maximum efficiency.A 3 phase half wave controlled rectifier has a 3 phase line to line supply voltage of 416 V rms at 50 Hz for 13 ohm and 2 H load. If the average output voltage is 210 V then __________________ is the firing angle for this condition. AnswerA 3 phase half wave controlled rectifier has a 3 phase line to line supply voltage of 420 V rms at 50 Hz for 10 ohm and 4 H load. If the firing angle = 50, then the average output voltage is ______________________. Answer
- Identify the troubleshooting procedures to determine the serviceability state of the circuitsQuestion from electric circuits.Why PMMC Voltmeters can not be used to measure higher voltages directly? a. because the size of the coils will raise b. because the coils will not be present at all c. because of the lesser current ratings. d. because of the lesser size problems