Answer / g.reddy abib

Electric parts

At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?

4 Answers  

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Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

0 Answers  

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what is difference between RCB,RCCB &RCBO?

3 Answers   ABB,

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Why squirrel case induction motor bar is skew permanently?

1 Answers   Nesco,

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difference between the earth mat and earth grid?

3 Answers  

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I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.

4 Answers  

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How many types of timer ?which timer are used star delta feeder

1 Answers   BMM Ispat,

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what effect on electrical equipment if PF is gone over 0.996 in leading when provider say that its keep in minimum 0.996lagging

3 Answers   ABB,

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Is it possible to get earth resistance value"zero" Ohm practically??? If yes,which type of earthing???

9 Answers   TATA,

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what is active power and rective power and power factor

1 Answers  

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What is meant by (2 x 185) AYFY cable

3 Answers   ONGC,

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What is the difference between Derived earth Fault and measured earth fault.How it works.

1 Answers  

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