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In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?
4 6240what is the difference between brushed alternator ,brushless alternator & permanent alternator ?
1 26583how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)
1985phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this
3 21578Post New Electrical Engineering Questions
what is meant by vector group of a transformer? How can it be derived?
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?
how many types control panel of a 132/33 kv substation
What is electrical diversity factor in electrical installations?
How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.
why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?
what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1
What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
what are the range of memory address in plc for L&T lx7 4A
please send previous exams question papers
What is meant by reset level of the relay?
induction 3 phase motor terminal connection
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above
