How two nos. 130 kw D.C motor get synchronise using D.C drive.

0 Answers  

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I have a 3 phase 600 volt prim. feed and a 120/208 sec. Isolateing tranformer .We are using this system for safety against shock . What is the proper grounding ?? Does the common on sec. get earth ground ???

1 Answers  

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What is the RMS Value. Please discribe in detail

14 Answers   Bhel,

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What is the Operating Powerfactor of UPS??? Why??

3 Answers  

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What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 Answers   Neutech, Power Grid, TSSPDCL,

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What is a soft start?

1 Answers   Focus,

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What will be the change in its efficiency and other parameters of a ONAN transformer if it changed to ONAF transformer ?

3 Answers   Tesla,

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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

0 Answers  

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Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

0 Answers   CEB,

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Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

0 Answers  

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What is the formula to find out the kvar required to improve the powerfactor from .85 to .99 at 1500kw, 415v.

4 Answers   Trident,

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full form of electrical?

0 Answers   CEAT,

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