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what is the HT motor current setting (Motor protection relay)aganist FLA If the capacitor is connected in parallal to the motor to increase the P.F from 0.89 to 0.99. the setting is to be reduced. what is the formula for to calculate the current.(FLA - CALCULATED CURRENT!= )
1 8729what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
2007we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?
5 8057What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.
1 3849DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV
2 10194in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).
2 5342Post New Electrical Engineering Questions
what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.
Why derivative controller is not used in control systems?
What is nichols chart?
When will you multiply and devide with derating factors to the actual value while sizing the cable?
How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540
I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?
Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.
100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.
in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain
why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc
with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....
Differentiate between kirchhoff’s first law and kirchhoff’s second law?
What is dynamo function in DG sets and draw block diagram?
what is the saturation point of crgo lamination.
