Should transformer earthing pit, to be connect to earthing mat in Substation

4 Answers  

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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what is the use of CAPACITOR in CFL lamp?

6 Answers   Areva, Autopal,

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Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers  

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neutral,ground & earth different b/w

2 Answers  

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How to check the LM324 Ic

0 Answers  

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if 15 kv is grounding directly what will happen?

5 Answers  

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Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

0 Answers  

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last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

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how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?

3 Answers  

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What is Surge arrest? How it work?

4 Answers  

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surge tank, hrc fuse, earthing transformer, firm power objective type

0 Answers  

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