Answer / mukund

it depend which mccb you have most hase thermal and
megnetic ttrip setting for thermal you cand set may 110 to
120 % of full load amp. and megnetic 3 to 10 time of FLA go
with less time suppose 3 time if mccb trip when load
connected increase little higher

Your B.tech marks is being given in CGPA grade. How is it calculated?

1 Answers  

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 Answers  

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could any one explain me what power factor and where it is use ful

3 Answers  

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wat is the criteria we use the diff. relay ?

2 Answers  

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a 650 KVA diesel generator is 1500 rpm, voltage is 415V n full load amps is 805 something,when are applied load more than 400 amps it's voltage is dropping, what is the reasons...?

4 Answers  

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how to calculate single phase motor efficiency ?

0 Answers   Bhel,

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Why earthing is required, and what effect in earthing result is more than 5 ohm and less than 5 or equal to 0 ohm

2 Answers  

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what is need of air gap in expansion section in busbar?

3 Answers  

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what is power factor?

8 Answers   Adani, Blue Star, Power Control,

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what is our body resistance value?

11 Answers   Bhel,

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why the transformer primary terminal indicated by u,v,w.to technical reason

2 Answers   JNTUK,

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