Technical requirement of Copper earthing over GI earthing.
can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V) to the output of 15KvA,3-phase online UPS(440V phase to phase)please brief.
IF 5000amp current on LT 440V. then how much it will draw amp on HT 11KV side
How we can calc. the Backup time of a battery Bank???
Earth leakage relay basic knowledge principle
LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?
0 Answers Himatsingka Seide Ltd,
- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
why battery room in substation is black coloured?
how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?
0 Answers Asahi, BARC, K-Electric,
why dc supply is given to the field of alternator
in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??
what is the difference b/w ground & virtual ground?
A 230V, 60W bulb when connected to 230v supply what current and power will consume, if same bulb is connected to 200v what purrent and power will consume?