Answer / abhijeet

Generally tan delta test is taken on voltage level of 2
kV,5kV , 10 kV using test kits. but factories perform the
test on rated voltage level of that particular instrument.

Answer / k.prakashchandra

Our 110/11 KV Tr was tested with 2.5 to 15 KV at an
increment of 2.5 KV

if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

0 Answers   ABB, APL,

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how meger function

0 Answers  

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what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

0 Answers   HPCL,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   SISL,

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How many types of circuit loads are there in a common electrical circuit?

0 Answers  

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Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?

1 Answers  

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What is the standard height of installation of Socket & switch from Finish Floor Level as per the IEC/IS Rules?

1 Answers  

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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

0 Answers   Quest,

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why capacitor is placed in fan

4 Answers  

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What are the different parts of Alternator and how it works?

1 Answers  

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What is ZCT? it operating principle and how is work with RCCB (residual current circuit breaker)?

4 Answers  

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