how many testing is necessary for 27 MVA transformer?

1 Answers  

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what is the difference between on line & off line UPS

3 Answers  

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This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

0 Answers  

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what is the use of compensation in designing a transmission line

1 Answers   Genco,

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Which type of arc protection devices used.

2 Answers   KSEB, L&T, Siemens,

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What do you mean by deregulated power system structure? Which structure (regulated/deregulated) is used by modern power system?

1 Answers  

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If i have 200 test cases and we have to execute but we don't have time to execute all testcases.within 1 hour we have to execute that testcases and prepare the test report.so how i have to resolve this problem? is there is any technique in the testing.

3 Answers   Stag Computers,

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How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

2 Answers  

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New istallation how many eathing have one transformer? Names of earthing connect places?

10 Answers  

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what is open star connection or open delta.

1 Answers   ACC, Jindal,

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In the Load Test of 3 Phase Squirrel Cage Induction Motor, 2 wattmeters are used. One of the wattmeter deflects in negative diretion during no load. Why?

1 Answers   CAT,

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what is mean by tan-delta tap in the potential transformer??

2 Answers  

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