Answer / shri..

First we synchronize voltage, frequency, load capacity of
both ups, then we can terminate ups out put R to R , Y to
Y & B to B.

i think so

what is upper impedance and lower impedance of a distance relay

0 Answers  

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What is the difference between Neutral and Eatrh?

8 Answers  

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Hi Friends pls give information regarding BARC written test. am attending by 20-5-2008. mail me to kkumarei@gmail.com or message to 9962122264

2 Answers   BARC,

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all interview questions with answers of ntpc (2000-2009

0 Answers   Hetero, NTPC,

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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what are the safety measure & controls in engine?

2 Answers   RRB,

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how to calculate energy of 3-phase motor?

0 Answers   Suzlon,

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what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

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i want to measure voltage difference between neutral and earth so i just simply use voltmeter. my question is that may i use this measure continuosly.or there are some electricity board restrication on that? or it creat some problem on my measuring device..?

2 Answers   NEEC,

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How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

0 Answers   Siemens,

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I need a 33/690V Dry type transformer.How to select IP class for this transformer.This will be an outdoor transformer located in a highly polluted environment.

3 Answers  

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How we select the cable rating

1 Answers   BTM, Videocon,

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