Answer / k.sri405

if there is two bus bar and simple breaker is used than
there will be need of one transfer bus in case of any
failure of one bus. But if one and half circuit breaker is
used than there is no need of transfer bus because if one
bus gets fail than there will be no interruption of power .

Answer / bala_vlsi

i think u question is what is the different between 4p and
tpn Breaker . if you want isolate the supply inculding
netural you will consider 4P othervise tpn will be enough .

why we use low kv lightining arrester in line for example 9 kv using in 11kv

1 Answers  

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could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers  

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How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values

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expalanation for 5p10 class.

6 Answers  

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what is phase and neutral.

16 Answers   HP, Voltech,

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

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What are the major reasons for balancing hydro-thermal mix?

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why we are discharging h.t supply during shutdown time

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1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

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What are the different methodes for calculating the short circuit Current?

0 Answers   Equate,

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how we can calculate power factor in single phase & three phase ?thank u

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Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

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