Answer / mayur

because of their potential difference...

Answer / badra

potential difference

Sir i completed diploma in electrical from govt. Polytechnic dhanbad (jharkhand) . In 2012 . Now i am working in sail iisco plant . Sir i want to get electrical supervisory certificate for applying in ongc . From where i get this certificate please guide me procedure step by step

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How many types of instrument cables are there?

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I am inpecting a 10kVA UPS what tests should i do and should i observe?

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Why breakers not synchronized when the synchroscope is going in the anticlockwise direction?

2 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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I have connected 04nos. earthings to a transformer through 04nos. earthing pits seperately. 02nos. earthings are connected to T/F body, and 02nos. earthings are connected to T/F neutral.T/F capacity is 2000KVA, 11KV/415V. But after completing of 02 years successful operation ,we are facing following problems- 1. CT/PT occured blast one time 2. HT cable box occured blast two times 3. One body earthing strip and one neutral earthing strip of transformer are overlapping at some places. Whenever these two strips are pressed at overlapped points, they made spark. What is the reason of spark? Please explain the reason & rectification of above problems

5 Answers  

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sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

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Compare OH Transmission & UG Transmission?

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What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

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what is power?

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which motors are used in electric traction?

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what should be the value of helathy insulation b/w two cores of LT cable.

2 Answers  

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