Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?
Correct answer: D. Booster transformer
- A. Static condenser
- B. Synchronous condenser
- C. Tap changing transformer
- D. Booster transformer
Explanation
A booster transformer is a comparatively simple and economical way to add or subtract a voltage component in a distribution feeder. Condensers mainly improve power factor, while a tap-changing transformer is generally more complex and costly for this purpose.
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