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what is the principle to generate energy from water or coal,
plz define the step by step how & when electricity energy
start from resource area to ours home meter & separate & how
meter read the voltage or current?
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Answer Posted / ajit g. k.
Please give some respect to this site. This is not a
homework site. Every electrical engineer is bound to know
the answer to this question. This thing is taught in 10th
and 12th standards. kindly perform a google search or ask a
12th standard student.
| Is This Answer Correct ? | 6 Yes | 0 No |
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We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?
