Procedure for conduting vector group test on power transformers.why it is conducted?6 17799
any one have papers of hpcl or sailof ELECTRICAL ENGG.1 2217
What is the role of link in neutral in a three phase ac system?10 21742
Electrical Diagram of Electric Arc Furance from transformer to Furances1 3844
how on load transformer is chnage the Tapping ?2 4104
diagram for soft stater ?3 6056
why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero7 24598
plz send me HPCL apptitude paper.. email@example.com
What is PQA???Applications........
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?
why dc is used in control circuits for MV & LV switchgeras instead of ac
We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks
Why derating factor os applied on Cables?
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to firstname.lastname@example.org
How much ph is maintained of water resistance starter for slipring induction motor ?
HOW TO CALCULATE HV CABLE SIZING?
EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?
I WANT BHEL PREVIOUS QUESTION
What safety followup during kWh meter isolation