what is the main function of contactor?????9 39013
what are the installation procedure of high voltage power transformer,CT,CB&PT?1431
what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer1356
WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >1291
what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?1614
is that any software calculator to calculate the size of cable
what is the formula to calculate the fault level current for any substation?2 17763
230v AC & 230V DC which is more dengerous for getting a clectric shock between this two voltage?5 9425
how to calaculate the amps in transformer ?2 3812
What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?1544
Do these factors (settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot)) are the part of first order, second order, higher order, linear, non-linear, open-loop, closed-loop, homogeneous & non-homogeneous systems ?1 4411
What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?1424
What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?1770
do any one help me to get "C" license,, i have doubts ,,, if mediators ter pls call me,, my no is 8056640042
explain wiring system
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
What is hipot test procedure?
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
What is the name of the winding to which supply is given?
How many kinds of E.L.C.B and how to work E.L.C.B
Why mostly the HV side of transformer has Delta?
What is the working mechanism of OLTC in Power Transformers????
What is deference between MCB & MCCB & ISOLATOR
difference between servo motor and synchronous motor
Define characteristics impedance?
how u measure/calculate renge of capacitor,capacitor has no any rating tag.what is the theory of measure of capacitons.
Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?