what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?

2 Answers  

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in the Distribution system .which one is Most Economically used by Power Engineer ? a)3 Phase3 wire System or b) 3Phase -4wire System

6 Answers   APTransco,

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at which voltage level arcing ground is occurs ??????????

0 Answers   TATA,

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please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

0 Answers   Bhel,

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what is the surge arrestor?how it operates?what is the range for it?

4 Answers  

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What is meant by RVT and NDR ? expansion and details of it

0 Answers  

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Is your generator is automated or manual if so do you know the circuits?

7 Answers   RRB,

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How many types of fault occur in a 3-phase power system?

2 Answers  

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

1 Answers   FGI, OPS,

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why DC source is used to idetify the polarity of CT/PT?

1 Answers  

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What are the basic elements used for modeling mechanical rotational system?

0 Answers  

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In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

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