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why starting current is high and resistance is almost 0 during the starting of motor dc motor...?
1747on 22.03.2015 at 17:15hrs Y phase 66kV class Power Trf-2 Current transformer has flashed over and oil came out. The failed CT has been replaced on 24.03.2015 at 13:15hrs and the Trf has been charged in presence of RT Hassan after conducting the pre-commissioning tests. On the same day at 17:00hrs the commissioned CT has again flashed over and immediately the Trf has been isolated from power supply. It is confirmed the secondary is not opened and checked the earth integrity and is found ok. Here what would be the reason for the CT failure?
2 3260When a capcitor is used on 440 v thenthis is kvar rating 25kvar .my question is that when we use this capcitor use 480 v &525 volt .how much kvar increase . Plz give my question ans. And give answer with formula .my mail id is rohitashsaini013@gmail.com
1 2579A charge of 240 C is transferred in 2 minutes. The current flowing is:(a) 480A(b) 120A(c) 2A(d) 8A
2 9386Which of the following statements is incorrect?(a) 1N = 1 kgm/s2(b) 1V = 1 J/C(c) 30mA = 0.03A(d) 1 J = 1N/m
1 4807The power dissipated by a resistor of 10ohm when a current of 2A passes through it is:(a) 0.4W(b) 20W(c) 40W(d) 200W
2 6132A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N
2986Post New Electrical Engineering Questions
Testing procedure of DG alternator stability test
why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.
my b-tech percentage is 50%. what answer will satisfy the hr ?
what is the use of expulsition protective gap in 11Kv line.
Why increase in current leads to increase in conductor temperature?
What is Faraday's law
what is acceptance test in electrical engineering.
In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.
what is magnetizing and demagnetizing current in generator and motor?
What is the unit of charge and current?
what is RFID? thire application;
describe the constructional features of an auto transformer and its principle operation
what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..
1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?
Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?
