In electrodynamometer type wattmeter, fixed coil to avoid hysteresis loss. is
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A: Fault is the abnormal condition in which high current is passed at low voltage.
Q: shunt generator running at 1000 rpm, if flux is reduced by half, then what is the new speed
A: Given data N1 = 1000 rpm Flux 2 = 0.5 flux 1
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- Calculate the following. a) Expected voltage at “A” with switch SW1 open. b) Expected voltage at “A” with switch SW1 closed.An energy meter has a meter constant of 600rev/kwh when correctly adjusted. If the lag adjustment is altered so that the phase angle between shunt magnet flux and the supply voltage is 85 degrees. Calculate the percentage error at 0.8 lagging.Blocks in power supply system does NOT include A.Regulator B.Solar panel C.Transformer D.Filter
- Calculate the reluctance of the air gap. Answer in ampere-turns/weber Calculate the total reluctance of the system Answer in ampere-turns/weberFor figure (1)draw and calculate the voltages waveform across each half of secondary winding and across load when 100sin2π60t applied across the primary, then find PIV.Why is the RHS power supply 30-90?