Answer / sunir

1. insulation resistance 2.ratio test 3.magnetising current
4. magnetising balance

which one is the most common system for secondary ditibution

1 Answers  

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how can we change the rotating direction of single phase AC induction motors?

12 Answers   Heubach Colour, L&T, MNM Jain Engineering College,

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What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

1 Answers   Hitech, Reliance,

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what is the efficiency of thyristor

0 Answers  

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What is the maximum advisable distance where it is required to interconnect a 500 KVA 480 V 3 ph transformer and the main panel or MCC ignoring the voltage droop affectation, does it is exist any standard about it?

2 Answers  

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how to control dc motor?

0 Answers  

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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What is depreciation factor?

0 Answers   HCC,

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how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

1 Answers   Enercon,

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how step down and step up voltage is occured in transformer

3 Answers  

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What should be the setting of an earth fault relay.

2 Answers   HP,

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why the rating of dc generator is in kw where as rating of alternator is in kva?

3 Answers  

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