Physics · Power Substations
Which of the following statements is/are correct regarding station batteries in a power substation? I. Station batteries serve as a critical backup source for operating DC control systems during system disturbances and power outages. II. In a standard 33/11 kV substation, the DC backup system typically comprises a nominal 110 V or 220 V bank configuration, rather than just 15 lead-acid batteries.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both I and II
- 2Only I✓
- 3Only II
- 4Neither I nor II
Correct answer
Only I
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