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what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this?
1 7938what are the shades for mimic diagram i.e for 3.3kv,6.6kv,11kv,22kv and 33kv? which is the IS for mimic diagram?
2 8475What is Vk and Imag i.e Knee point voltage & Magnetising Current? How to calculate above values? How to define accuracy class 5P10?
7 53078FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???
10 14221flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.
6 8897what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?
1 3786what is the effect when the shunt field winding is opened in dc shunt motor (i) at the time of starting ? (ii) in running condition ?
4 16448Will u plz give me simple diagram for tube light connection & also function of chock?
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8 27907Post New Electrical Engineering Questions
how braking & making capacity of circuit breaker is calculated?
what should be the acceptrd value of winding resistance for 2.5MVA transformer
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?
Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?
What is evaporator & condencer & compressor
how we select ac fuse rating of an power inverter???
how to set relay setting? and example calculation...
how to calculate fuse rating for a motor
3ph motor running with unequal kw and different pf what are the reasons
excitation limit of an excitor
what is meant by vector group of a transformer? How can it be derived?
hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com
Why let through energy not considered for ACB breaker while cable sizing?
How you give clearance to a spare feeder.
