Why we are checking the vector group & turn ratio of Xformer while PM?

1 Answers  

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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

0 Answers   DEWA,

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will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 Answers  

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is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?

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How many devices can be connected in one zone of FACP

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How cable from Kit-Kat to main switch, from starter to motor are designed?

0 Answers  

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i have ht transformer of 142 kva with air cooled facility,having secondary voltage 7850volt, and secondary connected full way bridge rectifier .i faced the problem repeatedly that transformer one coil and rectifier diode of two phase was burnt two times. i checked all the secondary ckt. no any short ckt found,then what will be the cause side

2 Answers   Modern Terry Towels,

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why we use shunt in a rectifier system ?

1 Answers  

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why write 500v on line tester (Test pen)

3 Answers  

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i wanna know that star point in transformer becomes as a neutral on secondary side now tell me that how is that possible?because if joit the all three winding ends with each other it can b short circuited.dut it doesn't.WHY?pls Answer me in brief.thanks alot

1 Answers  

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How instantanious short circuit current is calculated? its formula?

1 Answers  

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model question paper for supervisor trainee

0 Answers   Bhel,

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