Interested to Buy Any Domain ? << Click Here >> for more details...
800a siemens vcb in our company can not be closed electrcally
an mechanicaly cc and oc coils are found ok. why?
- 2 Answers
- 5811 Views
- I also Faced
- E-Mail Answers
Answer Posted / prakash gokhale
Please check for the mechanical assembly of the VCB. Some
times due to some misalighments breaker can not be closed
mechanical or electricaly even if CC & OC are ok.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?
description about dry type transformers
Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?
What is Diff btw Fire Alarm & VESDA System???
Please explain me about Relay curves and their sources to read ?
I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
how to design coil turns ?
along with technical test papers
Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.
How much of the total hydro power potential has been exploited so far in india?
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
why the active power flow of some line is increased when the active power of out is cut ?
what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.
What is “pu” in electrical engineering?
