A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above
Related Mcqs:
- Which of the following is the disadvantage of static capacitor for power factor improvement?
A. Easily damaged by high voltage
B. Cannot be repaired
C. Short service life
D. All of the above - Which of the following is the disadvantage due to low power factor?
A. Poor voltage regulation
B. Increased transmission losses
C. High cost of equipment for a given load
D. All of the above - Which of the following is an advantage of static capacitor for power factor improvement?
A. Little maintenance cost
B. Ease in installation
C. Low losses
D. All of the above - Load factor of a power station is generally___________?
A. equal to unity
B. less than unity
C. more than unity
D. equal to zero Diversity factor is always - The primary reason for low power factor is supply system is due to installation of____________?
A. induction motors
B. synchronous motors
C. single phase motors
D. d.c. motors - Low power factor is usually not due to___________?
A. arc lamps
B. induction motors
C. fluorescent tubes
D. incandescent lamp - Power plant having maximum demand more than the installed rated capacity will have utilization factor?
A. equal to unity
B. less than unity
C. more than unity
D. none of the above - An induction motor has relatively high power factor at__________?
A. rated r.p.m.
B. no load
C. 20 percent load
D. near full load - In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________?
A. at the receiving end
B. at the sending end
C. either A. or (b)
D. none of the above - For a consumer the most economical power factor is generally____________?
A. 0.5 lagging
B. 0.5 leading
C. 0.95 lagging
D. 0.95 leading
