transformer 3 ph, 225 kva pri 480v, sec 208v. primary
neutral connected to system, is secondary neutral to be
grounded and how
what is automatic voltage regulator and it is used?
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance
Whether the vacuum contactor requires Short circuit protection?If No,why?
What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?
What will happen if twice the rated voltage is applied to a DC motor?
can i connect REF and Differencial relay in 1 CT core for transformer protection?
why did lightening arrester rod probe sharp?
what is the formula for backup time of online ups?
how to measure the A.C flux .-instrument
1)What will you do if main incomer VCB fail in your site ?
why an ac solenoid valve attract the plunger eventhough we interchanges the terminal?will the ploes changes?
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)