why we can choose induction machine in wind mill? why can`t use synchronous machine?3 3242
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 5021
what 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 4526
What is Vk and Imag i.e Knee point voltage & Magnetising Current? How to calculate above values? How to define accuracy class 5P10?7 36408
FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???10 6420
WHY DIODE IS CONNECTING ACROSS SWITCHES5 5930
flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.6 4152
what is ac servomotor??7 5115
what 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 1862
what 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 10929
what is relation betn. KW & KV?10 26720
One watt is equal to how many? we says one watt bulb,means what it consume?3 4770
Will u plz give me simple diagram for tube light connection & also function of chock?8 20472
what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.
i want to model paper for section engg.
in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected
Please brief what is sinewave
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????
by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.
when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//
what the principle of sincroscope?how it works?when it needed?
How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?
In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?
what is differentila pilot supervision in the incomer control panel in the power station?
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm
why do we use 25kv supply for traction purpose?
what are the specifications we must look at to select a relay for any capacity motor?