it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high
DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,
2 13260To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current
2 6887A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale
1 2589in transmission line, if the load is suddenly increased at the receiving end of the system the phase shift will (a)decrease (b)becomems zero (c)increase (d)not be affected
4 7530Post New Electrical Engineering Questions
Terminal blocks is used for segregate the connections... There is any principle for terminal block..?
How does an oscillator differ from an amplifier?
what is difference between 2 pole structure and 4 pole structure in transformer yard
how generator avr give to the input?
The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?
Alternator rotor earth fault relay circuit
In siemens PLC, why do we want to move the data ?
Advantages of using generator circuit breaker (GCB) scheme in a power station ?
tell me about roaster switch .& what is the function in transmission & distribution?
What is the efficiency during maximum power transfer?
what is capacitor voltage transformer?? how it is different from potential transformer?
should %impedance be high or low in a power transformer? if so why?
how to define tell me about self
State the frequency for rc phase shift oscillator?
what is the formula of starting current of 3phase and 1 phase motor???
