What is the function of earthfault relay?
Answer Posted / pradhumn singh
It is a relay which sense the fault phase to earth .
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.
what is cathodic protaction?
how much UPS neutral erath leakage current.
can we do the star delta connection of capacitor for 3- phase motor starter.
1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor
How to megger test 11 kV cable and the acceptance IR value
why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A
DC transmission
what happens to the supply voltage if there is any change in frequency?
what is the relative size of single and three phase?
What is mason's gain formula?
For RCD (Residual current device) Icu is defined. How i can find Ics for them?
Define stepper motor. What is the use of stepper motor?
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?