A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. Booster transformer
Related Mcqs:
- Transmitted power remaining the same, if supply voltage of a D.C. 2-wire feeder is increased 100 percent, saving in copper is____________________?
A. 25 percent
B. 50 percent
C. 75 percent
D. 100 percent - A feeder, in a transmission system, feeds power to________________?
A. distributors
B. generating stations
C. service mains
D. all of the above - If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as___________________?
A. Kelvin’s law
B. Ohm’s law
C. Kirchhoffs law
D. Faraday’s law
E. none of the above - The voltage drop, for constant voltage transmission is compensated by installing__________?
A. inductors
B. capacitors
C. synchronous motors
D. all of above
E. none of the above - The voltage regulation in magnetic amplifier type voltage regulator is effected by__________?
A. electromagnetic induction
B. varying the resistance
C. varying the reactance
D. variable transformer - The operating voltage of high voltage cables is up to_______________?
A. l.lkV
B. 3.3kV
C. 6.6kV
D. llkV - In a substation the following equipment is not installed?
A. exciters
B. series capacitors
C. shunt reactors
D. voltatre transformers - For which of the following equipment current rating is not necessary?
A. Circuit breakers
B. Isolators
C. Load break switch
D. Circuit breakers and load break switches - Constant voltage transmission entails the following disadvantage?
A. large conductor area is required for same power transmission
B. short-circuit current of the system is increased
C. either of the above
D. none of the above - Which of the following is usually not the generating voltage ?
A. 6.6 kV
B. 8.8 kV
C. 11 kV
D. 13.2 kV