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If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
2277Post New Electrical Engineering Questions
what is the advantage of connecting capacitors in delta than in star?
what are the steps involved in generator load test?
What products have you designed which have entered high volume production?
whats the application of voltage regulation? and whats the voltage regulation's device?
what r the checklist while installing a 380 kva DG set
sir i want previous entrance exam papers for written test
explain types of electric welding and its applications
why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
What is the role of power pack in substation protection system?
WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?
We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.
How to calculate the phase to phase clearness of HT /// LT bus bar?????
63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?
Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.
