Answer / gajanan

1. high resistence method
2. low res method

Answer / guest

by using circuit breakers

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

0 Answers   Hormozgan Steel,

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Is pure capacitor load and pure inductor load is an linear load? pls justify

2 Answers  

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

0 Answers  

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what is protection class current transformer.

1 Answers   Matrix,

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HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

0 Answers   HPCL,

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

3 Answers   Power Grid,

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condition Autotrip facia come on control panel of electrical transmission line?

0 Answers   Getco,

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Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

0 Answers  

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what is the difference between synchronous motor and induction motor?

3 Answers  

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what is different between earthing and grounding for a electrical eqipment ?

2 Answers   BARC, Omega Maritime,

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why in dc generator field rheostate kept in maximum position?

1 Answers  

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