Answer / hanupowergrid

Impedance, denoted Z, is an expression of the opposition that an electronic component, circuit, or system offers to alternating and/or direct electric current.Impedance is a vector (two-dimensional)quantity consisting of two independent scalar (one-dimensional) phenomena: resistance and reactance.

Genreally distribution transformers are having Star/delta connections to provide phase and neutral to the consumers. Is the neutral of the star conncted secondary grounded in these transformers?

1 Answers  

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Use of switch mode power converter in real-time basis?

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why US countries maintains 110v and 60HZ

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define hysteresis loss, eddy current loss and windage loss

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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what is Anti-pumping?

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what is the meaning of pi value?

1 Answers  

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what is the principle of operation of CFL ??

0 Answers   IOCL,

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what id a dry type transformers and its function ?

0 Answers   Wipro,

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What is the function of interposing current transformer?

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I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

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