Answer / balamurugan

we need answer for their.

Answer / shahid

vcb or any no need 2 relays 1 and only enough.
or system designer can put 2 one master and other slave to
shore tripping but not only vcb can be all types of cb.

Is the inductance parameter of transmission line affected by taking the earth into consideration?is the same true for capacitance? Justify the answer.

1 Answers  

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There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

0 Answers  

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how braking & making capacity of circuit breaker are calculated?

0 Answers   Bhel,

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The coulomb is a unit of:(a) Energy(b) Voltage(c) Power(d) Quantity of electricity

1 Answers  

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IN A SMALL D.C GENERATOR, IF WE REPLACE THE LAMINATED CORE ARMATURE WITH A WOODEN BLOCK OF SAME SIZE & SHAPE AND WIND WIRES WOUND ON THE SLOTS OF WOODEN ARMATURE AND CONNECTED TO THE COMMUTATOR.COMMUTATOR IS FITTED WITH BRUSH TO RECEIVE INDUCED E.M.F.WHETHER E.M.F GENERATED OR NOT?

3 Answers  

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Can anybody tell abt concrete encased earthing or grounding?

0 Answers  

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What is the formula to calculate the rating of power cable for three phase current.

0 Answers  

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what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

1 Answers   CESU,

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what is servo motor & how does it work.

0 Answers  

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What is Exact meaning for Full load Efficiency and Maximum Efficiency of Transformer? Is there any Difference between? If yes ,please provide with formulae?

2 Answers   Techno Labs,

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directional over current relay when acted & how it works

3 Answers   NCC, ThyssenKrupp,

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It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

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