Why is string efficiency for a DC system is 100%?

DWQA Questions › Category: (EE) Power System › Why is string efficiency for a DC system is 100%?
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How Engineering Works Staff asked 7 years ago
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How Engineering Works Staff answered 7 years ago

Answer: If DC voltage is applied across a string of suspension insulator the voltage across each unit will be the same. It is because insulator capacitances are uneffective for DC. Therefore, string efficiency for DC systems is 100%.

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