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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 4455What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)
1 4364If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
3 6030At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?
4 11321Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?
3 19205What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?
2 11705Post New Electrical Engineering Questions
What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.
Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com
what is meant by IGBT how they differ from tyristor ?
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
pls someone send me sample question papers along with the key.thanks in advance
XYZ
please send previous exams question papers
Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.
how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in
Please send 110 kv sb station full single line drawing(sld)
How can we calculate the motor frame sizes?
