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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 8478What is Vk and Imag i.e Knee point voltage & Magnetising Current? How to calculate above values? How to define accuracy class 5P10?
7 53081FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???
10 14223flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.
6 8902what 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 3787what 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 27909Post New Electrical Engineering Questions
Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC
what is meant by re-rolling motor? how it differs from standard motor?
what is charger supervision and control supervision?
why 1.7Uo for HV cable Hi pot test?IE standard why?
please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula
75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?
hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .
Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
On 400 amp factory load how kvarh capacitors provide
what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
how to select battery for 15 KVA UPS with formula
Which power will flow first if we switch on a motor Active or Reactive? How?
what is the use of the circle diagram
