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 3571What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)
1 3441If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
3 4650At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?
4 9757Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?
3 17654What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?
2 10511Post New Electrical Engineering Questions
What is the Nyquist criterion regarding control systems?
How it can worked plc based electrical system And which type of software using.
why the pf of semiconductor device is improved the electrical devices
how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.
I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
Tell me about ur past electrical maintanence job
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
What is the difference between isolators and electrical circuit breakers?
Load transfer in 11kv double busbar switchgear - operation.
Write down the name of 2 lady Bir Pratin of Bangladesh
please explain how to do 'pole drop test' on generator?
What is reactive power and where it is used.
What is the difference between acs 550 & acs 850
The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s