operation of protection relay watchdog contact?
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750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?
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When star connection of motor is use?
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
What is the Full form of Rccb,MCCB,
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we the the value of frequency is 50 HZ in DG then why we said the value inductive rectance is zero in DG?
Why need 3phase machine double earthing?
hi frnds.....anyone get any reply from HPCL. I HAVN'T.....B,COS written will b on FEB 17 th.
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How to increase the specific gravity of DG batteries?
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