Physics · Power Systems & Electrical Components
Which of the following statements is/are correct regarding the storage battery systems used for DC power supply of control and protection systems in generating stations and sub-stations? I. In generating stations and sub-stations, a DC auxiliary power source is required for protection and control systems. II. This supply is usually of 110 V or 220 V DC and is obtained from a storage battery system.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Neither I nor II
- 2Both I and II✓
- 3Only I
- 4Only II
Correct answer
Both I and II
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