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current transformer  Dec. 8, 2011 22:25:06

1.Product Overview When circuit grounds, CT could senses zero-sequence grounding current. To be equiped with relay protector or signal devices, it help device components act for the purpose of....

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  • dischaging gap  Dec. 8, 2011 22:24:56

    110KV and 220KV is the main voltage grades in power supply grid, due to high voltage the neutral point usually grounds solidly or neutral point of some transformers does not ground based on....

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  • arc suppression coil  Dec. 8, 2011 22:24:48

    In power system of 6-66KV, when capacitor current associated with single-phase ground fault excess 10A ( It is 30A in 6-10KV cable circuit system) , arc-supression coil device should be adopted to....

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  • neutral earth resistor  Dec. 8, 2011 22:24:30

    In distribution systems technique of neutral ground is usually categorized into neutral unground, neutral ground via resistor, and neutral-point grounding via arc suppression coil. Differnent....

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