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How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.
2140why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?
2093why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?
2927How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.
2019why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?
2 7268In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??
2 4643How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.
1876can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you
2004Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.
2 4006Post New Electrical Engineering Questions
Why is ignitor used in sodium vapour lamp
can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value
a starter used for squirrel cage induction motor?
what are the safety measures of induction motor?
hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx
Please give me a erda placement paper
How many sprinklers should be in one pipe line?
what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?
WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?
While testing LA mast,What are the parameter limits ?
what is differentila pilot supervision in the incomer control panel in the power station?
how to design the heater in temperature control unit to heat 50KL of water?
In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?
What is miller crystal oscillator? Explain its operation?
Define phase lag and phase lead?
