How does solar power system work?

1 Answers  

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plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

0 Answers   L&T,

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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WHAT IS A LINE CURRENT AND PHASE CURRENT

3 Answers  

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ell me capacitor bank chossen formula.load in KW

1 Answers  

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Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

0 Answers  

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we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

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what is the string efficiency

1 Answers  

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why we not used 11kva as a direct our electrnics component.

0 Answers  

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On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 Answers  

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In Extended Delta transformer, by which method we can measure the extended angle of transformer?

1 Answers   Usha Martin,

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