Answer / n k singh

Underreach and overreach is the ability of distance relays
to operate below and above designed impedance.As we know
the impedance relay operates when impedence seen by the
relay is equal to designed impedance.

which relay is used for both detection & correction?(there is only one relay)

2 Answers  

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WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

0 Answers  

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why induction motors are rated at 0.8 power factor.

0 Answers   Bhel, TN,

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it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

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Is Neutral earthing necessary for single phase system or Genset? if yes or no then why?

1 Answers  

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i need online ups battery calculater

1 Answers  

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In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

0 Answers   ITI,

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what is meant by power factor ?

17 Answers   Harita, Pricol,

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what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

0 Answers   HAL,

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Explain briefly about current , voltage and power

6 Answers   L&T,

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can i connect REF and Differencial relay in 1 CT core for transformer protection?

0 Answers  

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wat is the role of reactive power in power generation?why we have maintain it.

3 Answers  

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