HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL
STARTER?
& in dol why it is require circuit breaker?
Answer Posted / k.suresh
motor full load ampes & 6 time higher select OLR AND
Contactor.
| Is This Answer Correct ? | 11 Yes | 27 No |
Post New Answer View All Answers
what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values
Draw the line diagram of diffretial relay connected to transformer?
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
what is the importance of earthing system on the generators big capacity and small?
Parts of machine and their discription in details with suitable photo
1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.
what the principle of sincroscope?how it works?when it needed?
What is resolution of a measurement?
What is the meaning of dedicated earthing?
What is bridge rectifier and explain with details
Explain what is use of lockout relay in ht voltage?
How you will determine the volume of oil in a particular Distribution transformer.
how to erect roof control panel?
what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?