purpose of breaker contact multiplication relay?
- 5 Answers
- 23376 Views
- ABB, I also Faced
- E-Mail Answers
Answer Posted / sourav pramanik
contact multiplication relay are used for incresing contact...let there are so many on off switch ,alarm are to be activated..but main relay contacts are very less..so to increase contact we use cmr.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
what are the safety measures of induction motor?
Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.
Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?
What do you mean by distribution transformers?
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )
how to calculate fuse rating for a motor
In Plumbing services What are accessories we consider for a bathroom?
What is resistance of 50meters, 16sq.mm, single core copper cable?
EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?
PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com
What is the type of earth fault protection used in battery? explain.
