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State the main requirements of a protection ct

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Reference no: EM13275388

State the main requirements of a protection CT and an instrument CT.

A 400 A circuit is to be protected by a CT and relays. The relays present a 2.5 VA burden. If the setting is 20% and there is saturation of 50% at 20 x current setting, specify a suitable CT.

Reference no: EM13275388

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