tell me the operation of ELCB. How it detects a fault?
Answer Posted / ramarao
It is a voltage operated device it comprises a control switching system together with a voltage sensitive trip coil on installation .this coil connected between the metal work to be protected and as good on earth connection as possible.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
how is capacitor bank look like
How can we calculate ac current from the given DC current when AC voltage is given?
what is plunger and what's the use of it in motor alignment?
15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help
What are the types of class b amplifier?
What is the difference between a verilog task and verilog function?
typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?
how we can set the IDMT relay.
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
How much voltage we need to apply in 33kv cable during hipot test of cable
why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor
Can anyone tell the proper diagram of star delta starter????
What is purpose of reactor?.What is different between line and bus reactor?
How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.
How to calculate MCB Breaking capacity.