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how will i find Transformer rating if supply voltage is 11k.v and how will i find incomer if transformer rating is 12MVA
3 5643Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer
3 6299from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
2222What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain
3 5746How we can change the direction of rotation of Induction motor? Prove it using graphical methods.
2 5300if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?
4 9014How to decrease or increase the range of voltmeter? can an ammeter be used to measure voltage? can a wattmeter used as voltmeter and ammeter?
3 24556When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.
10 12808What makes the difference between 50Hz supply and 60Hz supply which one is economical and how can you support your answer...........?
2 7905Post New Electrical Engineering Questions
What is the difference between alternator and generator?
what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?
Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.
What is online and offline ups? how does it works?
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
What is steady state response?
Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?
What is instrumental error?
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
why we use condenser in the thermal power plant, althrough the same vapour will be again heated
i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com
What happened when capacitor connect series in ac circuit?
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
How to configure the drives in PLC, through Profibus commnication. And to how to address it?
