L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW
MOTOR STARTS WITH EARTH FAULT RELEASE
If it is new and under test ,CT might have been provided on
neutral instead of phase.If not , mostly due to pole
discrimination ( all poles not closing simultaneously ).
Disable instant element while closing .
Is This Answer Correct ? | 0 Yes | 0 No |
PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
Why are cables rated for 40 KA for 0.25 Sec fault current rating?
What is an ac motor?
Can anyone explain about Control and power circuits of star delta starter & DOL starter ? How it works? please!
Why no-load primary current is very small as compared to full load current in transformer (as 1% of full load current?
Is it possible to interlock between ACB & MCCB?
what is an rmu?its circuit diagram.functions
14 Answers CP Bangladesh, Emrill, NDPL,
11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??
What is installed in PAC that is control the humidity
what happens if dc supply is given and the remedies for it.
what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?
What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design