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In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?
2 4830what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?
1 1993what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?
1 2029a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor
2 4472Post New Electrical Engineering Questions
1. for eg, capacitor is used for many purposes(it act as filter, oscillator, bypass capacitor, memory storage etc...) 2. Please tell me some example circuits for different uses of capacitor( whenever and whereever and however we used capacitor as a filter, oscillator tuning etc..) 3. similarly for inductor and resistors(it act as what?) and when and how we want to act as like that?, and how we can used these components depends upon our requirments with example circuits and explanation? design to act as these components depends
how you will decide the distance between the power transformer and its fencing
when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.
please give some hindalco placement papers for written exam
where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz
i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com
# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in
what will happen if synchronous machine rotor fed from single phase ac supply
What was your role in the silicon evaluation/product ramp? What tools did you use?
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.
