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HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY
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What is the difference between cylindrical-type and sandwich-type winding?
IF 8255 CONTROL WORD IS 94H,Tell the chip port work mode ?
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?
hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?
why we use 630mm single core cable for transformer secondary side and why two neutral cable
sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.
volts=230 c=10mf a=??
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
How phase to phase voltage comes 440V.
what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.
i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.
define displacement & magnitude ?
Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?
From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?
if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .
