why trip circuit supervision is taking through breaker contact? what happen if takendirectly?
Answer Posted / mostafaghodrat
BECAUSE Switching contacts is C.B
This task is performed by changing the spring
This spring is the C.B
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the difference between Static and servo controlled voltage stablizer?
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
Why the cores of large transformers build up of circular cross section?
I need bhel electrical test pattern & paper
Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards
In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring
What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?
what happens if dc supply is given and the remedies for it.
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
why do we put a transformer on soak before loading it
How many types oil using in transformer ? How many letars using in transformer..?
at what base you will tell the direction of rotation of dc motors and generators?
Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings
Different types of relay fault which phase sequence??
what are problems caused by the pdu in rack server