Power systems

0 Answers   LB Engineering,

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please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com

0 Answers  

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how to select short circuit current while selecting a MCCB? how to calculate current for a given KVA and KW load?

2 Answers   GE, PnU Engineering,

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I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

0 Answers  

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what are the application of over current relay?

2 Answers  

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how step down and step up voltage is occured in transformer

3 Answers  

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how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

0 Answers   Honeywell,

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what is the effect of leading power factor on Power transformers in existing in major power utility

2 Answers  

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what is bus pt and what is the function of it ???

8 Answers   TATA,

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what is the use of starter in tube light?and what it contains

12 Answers   L&T, RRB,

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers   Siemens,

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