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

Why is the diffrential protection in DG. What if the CT polarity is reversed while connecting for the same type of protection? How polarity can be made ok?

1 Answers  

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what is ic 01,ic 06 ?is it types of cooling?

0 Answers   Bhel,

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suppose a fan is running with phase and neutral. if its neural is touched to body. then fan get stopped. if this fan is connected to phase and ground supply..then why it runs?

1 Answers  

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What Is the Difference Between Lightening Spike and Lightening Arrester?

1 Answers  

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is it possible to run the any motor when winding grounded? how?

1 Answers  

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what is function of pump in DG?

6 Answers   HP,

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HOW TO CALCULATE UPS BATTERY BACKUP TIME

3 Answers   HSBC, VRVS,

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how many desk top computer can connect to a 25kva 3phase generator?

1 Answers  

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To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

1 Answers  

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how to do the ductor test?

0 Answers  

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800a siemens vcb in our company can not be closed electrcally an mechanicaly cc and oc coils are found ok. why?

2 Answers  

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what are the needs of electrical earthing.... other than protection?

5 Answers   Eskom,

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