What is the function of Antipumping Relay and Lockout Relay?
Answer Posted / avdhesh
Antipumping Relay : It is generaly used in series of
closing coil of breaker. The function is to cut off the
supply of closing coil immediately after closing of
breaker. This is required as coil is not designed for
continous rating.
Lockout relay : This is also used in closing ckt of
breaker. This is basicaly latched relay which inihibit the
closing of breaker for defined time if relay is operated.
Lockout relay can be self reset or manual reset (choice)
after definite time.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem
what is the prinsiple of dc motor and construction and working ,application of dc motor.
What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?
1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.
How to select transmission line type (i.e. 11kv or 33kv) for new established industries
In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans
When is lag lead compensator is required?
what is the transiant condition in alternator? and how it can be prevanted?
how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
Which device of PlC does share load between DG sets when DG are running in perallel?
When can we take Neutral as common neutral link?
What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
What is Long rod insulator and it's applications..? merits over the disc insulator ..?
Explain the propagation of harmonics in the network and influence of phase angle of harmonics.