Answer / prakash

The earthing which is provided sepereately for Neutral only
that earthing is called the dedicated neutral earth.

Answer / shivakumar

Dedicated earthing means it is separate earthing it is connected to inverter side due to in rectifier side their is no earthing only phases so it is dedicatedly connected to the inverter side

Answer / santhosh

It is one type of earthing connected to ups output neutral point. inverter wil not produce neutral only 3 phase .so we loop ups input neutral to output neutral point. if tis neutral fails tis earth will work has neutra.l neutral earth should not link with body earth

Answer / srinivas murthy

Deticated earthings means - seperate earth for arresting of
leakage from load side & avoiding flot voltage respect P-
N , P-E

WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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how to prepare PPM schudule

3 Answers   TATA,

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I If i have 2kv ups in which 38Amp *8battries hou many hour's back up i get from 600Watts

2 Answers  

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why aggregate is placed all around substation ground.

9 Answers  

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Explain what is Zener diode?

1 Answers  

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What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

1 Answers  

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what is a difference b/w earthing & neutral?

5 Answers   ABB, KEC, Sterlite,

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 Answers   Siemens,

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what is the difference between synchronous generator & asynchronous generator

4 Answers   Reliance,

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How a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?

1 Answers  

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after how many spot we must chang secondry cable in portable spot welding gun?

0 Answers  

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Q2). When 3 dice are simultaneously thrown, which of the following would be obtained? (a) Result 1: “A 5, a 3 and a 6” (b) Result 2:” A 5 three times” (c) Result 3:”A 5 twice and a 3” (d) All three results are equally likely. (Musigma Question)

2 Answers   Mu Sigma,

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