Answer Posted / malay kumar

i agree with Bhavsar

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

3283

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what is booster? and how it is connected in a circuit?

2608

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

2270

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How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts

2131

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draw 3 phase rectifier diagram

2199

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Define what is power quality meter ?

1255

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WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

2517

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WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

2097

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What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

4021

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Why do we use center tap transformer that used with portable tools

2258

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2539

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What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

1658

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1963

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HOW TO CALCULATE THE VT SIZING?

3133

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How can I calculate ISF of current transformer?

3626

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