Answer Posted / arvind
ohms law applicable to linear circuits like resistor,
inductor, capacitor, but not applicable for non linear ckt
like electronics goods, opams,diodes, etc.
| Is This Answer Correct ? | 11 Yes | 4 No |
Post New Answer View All Answers
take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????
when will be the iocl interview results ifaced the interview on september 8 th
would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
what is settable hystersis protection? If any body knows plz kindly post the answer..
What do you mean by lighting transformer?
if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
what are the specifications we must look at to select a relay for any capacity motor?
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
What is the relation between frequency and motor rpm?
Why are the laminations insulated from each other?
What is the drawback of class b amplifier?
what is the safety of voltage power transformer(2250KVA0
what is the purpose of silicon dropper used in battery charger?