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.

what is the senstivity and stablity? what is different?

1 Answers  

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What are the advantage of free wheeling diode in a full wave rectifier?

0 Answers  

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

0 Answers   Indcoil Transformers, Power Grid,

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

0 Answers  

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Why transformer making noise during the operation?

2 Answers   TCS,

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Direction of flow of active power and reactive power with logic?

0 Answers  

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What do you mean by boost voltage in case of battery charger?

3 Answers   MahaGenco,

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Generally in AC we consider voltage, frequency and phase sequence for parallel operation ... Can we parallel two DC battery chargers? If yes, then what precaution to be taken when we parallel two DC power?

5 Answers   Reliance,

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For RCD (Residual current device) Icu is defined. How i can find Ics for them?

0 Answers  

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What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers   Siemens,

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can anyone pls expain me about how can we design a cable tray??suppose if have to draw a 3 nos of 50 sqmm AYFY and 2 nos of 35 SQmm of AYFY cable through the tray..how can we design the tray size?? regards...

3 Answers  

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

0 Answers   HCC,

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