why plc need seprate earthing?

2 Answers   ABB, Whirlpool,

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What happens if we run alternator on under frequency? 

0 Answers   SRHHL,

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When lag/lead/lag-lead compensation is employed?

0 Answers  

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what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

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What Should I Know about Metering, Switchgear and Panels?

2 Answers  

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How to Prepare preventive maintenance shedule of machine tool.

0 Answers   Concast,

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what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

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how the BDV of the oil will be checked using moterised controled HV SET?

1 Answers  

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Why we check only first column of root locus..?

1 Answers   IES,

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Enlists the applications of sampled data systems?

0 Answers  

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What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

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Re: how to calculate diesel consumption of a D.G.Set? Answer # 1 We can not calculate the diesel comsumption...depending upon load it will conume the diesel...suppose the 1500kva D.G is running and the load is 1000kw means it will consume 150-200 liters per hour....

6 Answers   Cipla,

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