what purpose of the percentage impendance in transformer3 3219
how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A2 41115
Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow4 3078
1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.1 3078
how the magnetic flux is said to be rotating & alternating?4 9415
Whether the vacuum contactor requires Short circuit protection?If No,why?698
Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?
can i have the methods of speed controls for 3 phase AC MOTORS.7 3669
what the purpose of protection signaling equipment in substation?2 4881
ho w to make Incident and accident reporting1 1314
Please explain me about Relay curves and their sources to read ?
What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks
how many stairs have you climbed while you were coming
from which subjects most of the technical que will b asked for hpcl(electrical).pls help me
what is the setting of locked rotor in HT motor ? (answer expecting in percentage)
how to test power transformer.YNd11
What is the types of HT motor testing
WHAT IS THE MEANING OG (li = 7 In)
draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words
does not the circulating current in a transformer affect the flux distribution in the transformer core
Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?
SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
electromechanical relay type identification example : type=tjmh t-stants for j- m- h-