Moderate
Which of the following is the disadvantage of static capacitor for power factor improvement?
Correct answer: D. All of the above
- A. Easily damaged by high voltage
- B. Cannot be repaired
- C. Short service life
- D. All of the above
Explanation
Static capacitors can be damaged by overvoltage, and an individual unit is normally replaced rather than repaired; their service life is also comparatively limited under severe conditions. Therefore all the listed disadvantages apply.
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