in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)1 9201
why the stator is not laminated in DC machines?4 12742
I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.
How to decide and select the different earthing wire size for the different types of earthing1398
What is the safety factor is to be consider while selecting the switchgear and protection for electrical system1 3292
Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??
What is transformer saturation?1 2220
every motors written in name plate IP 55 what is this?2 24380
what ispositive, negative, zero sequence impedence?
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
What is cut-off rate?
How does an induction motor start?
what is acceptance test in electrical engineering.
How PSV sizing being done
what is meant by k-rating in isolation transformer?what is k9, k14 stands for?
In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB
How to use computer cpu ups use for home inverter circuit board
Classify driling machines.
how to find the capacitance value of the motor while running??
How to calculate fault level of 11 KV system