We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

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What is the difference between the relay and the circuit breaker?

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define the active power?

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In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

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why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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what is the difference between inductive load and capacitive load?give me some examples in general

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dear all, i want to ask that what is diversity factor. please explain breifly. because i hve quiet no concept about this.

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WHY PROTECTION CT IS USED NEXT TO METERING CT?

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Explain different types of d.c motors? Give their applications

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why transformer has more efficiency compare to rotating machine?

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how we calculate the withstansing current capacity of wires&cables?

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What is the deffrence between Siemens S7-300 & S7-400 PLC?

4 Answers   ADC,

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