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If we have 630kva step down transformer to operation 3 phase motor 150 kva which size of cable is used? at circuit breaker to 3 phase motor or to electrical board
1 3776why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?
1 5203Can somebody tell me the type and amp of transformer used to implement 600VA UPS? Thanks in advance.
1 3336If two generator running parallel, at that condition both ngr Taken in line or taken any one ngr, but why any one or both Ngr in line? Ngr is use for which purpose?
3 8462Q2). When 3 dice are simultaneously thrown, which of the following would be obtained? (a) Result 1: “A 5, a 3 and a 6” (b) Result 2:” A 5 three times” (c) Result 3:”A 5 twice and a 3” (d) All three results are equally likely. (Musigma Question)
2 4911Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro
2 4618the inertia constants of two machines are respectively 30and 42 MJ per MVA.when the change in frequency due to change in load in first machine is 12 Hz,the change in second machine frequency will be?
1 7869how to interlock 2 incomer,1 buscoupler MCCB,like we interlock an ACB... pls answer this question and if possible send me the ckt diagram..
2 16451Post New Electrical Engineering Questions
what is proper capacitor placement? How to evaluate capacitor size?
Benifits of 3ph 4 wire metering over 3ph 3 wire
how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?
What is open loop and control loop systems?
what is POTT and PUTT explain?
we have 15 ampere variyac but we want 30 ampere variyac what we do
Why 9KV surge arrester having 7.65KV of MCOV?
i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).
What is the difference between a verilog task and a verilog function?
bsec exam syllabus (mis)
Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?
what are the stresses in circuit breakers ?
how to protect motor in dol starter having capacity of 30 hp.40 hp?
