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A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?
1 4344What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)
1 4270If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
3 5844At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?
4 11123Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?
3 19009What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?
2 11543Post New Electrical Engineering Questions
During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?
What mean by MLTP
what is the cause of voltage dipp or swell in the transmission lines?
What are the two segments of nyquist contour.
What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
at what base you will tell the direction of rotation of dc motors and generators?
What are the types of feedback oscillators?
what will happen if i connect 12 volt battery with 24 volt battery charger.
i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,
Why 11kv to be generated in generation station
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
grr resistance & contrator malt continuous
write down the formula of cable size in RM if current is 50Amp.
1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
