Answer / har

mccb - module case circuit breaker -use in thermal magnet
for breaking
acb - air circuit breaker- use in thermal magnet with ct
for breaking

why a single phase motor of same rating takes more amps than the three phase motor? as single phase motor at 230v takes 5amp per HP while 3 p motor takes 2.5amp per hp at 230v.

1 Answers  

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control diagram of star delta starter

5 Answers  

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the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

0 Answers  

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what is diffrence between neutral and earth wire

23 Answers   Bhel, Esab, MTNL,

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what is the equation of insulating resistance of motor???

1 Answers   Birla,

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why we don't use air circuit breaker on H T line in place of vacuum circuit breaker ?

2 Answers   Jindal,

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Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 Answers  

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a 11 kv line is grounded and a 110 kv line is grounded. which line have the greater current flow?

4 Answers  

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Hello sir This is prakash from bangalore i have a doubt why we have to maintain DG power factor in the range 0.78 to 0.8 Perhaps i f it is increased means what will happen in DG

3 Answers  

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I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?

1 Answers  

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what is the merz prodution ? what is the turn to turn fault?

2 Answers   L&T,

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WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

2 Answers   ACC, Al-Jaber, Dubai Group, ECEC,

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