Which of the following methods may be used to convert A.C. system to D.C ?
Correct answer: E. All of the above
- A. Rectifiers
- B. Motor converters
- C. Motor-generator sets
- D. Rotary converters
- E. All of the above
Explanation
AC can be changed to DC using static rectifiers or electromechanical systems such as motor converters, motor-generator sets, and rotary converters. Hence every listed method is valid.
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