How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
1436what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?
1546WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.
1762why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.
4 7468Can we parallel two grid with different incoming voltage. Ex.let say one grid is 132kv and another is 220kv.
2 4190Post New Electrical Engineering Questions
Explain the method to keep noises low in a control system?
what is protection class current transformer.
What kinds of decision are made about CT from it's Knee point(voltage & current)?
Why efficiency in thermal power plant is low?
How to calculate phase to phase difference ?
how to calculate percentage impedence at 75 deg C at normal tap
why ss stablity limit is more transient stablity limit?
While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens
Transformer diagram mention each parts ?
sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence
how is capacitor bank look like
how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
what is strip power factor?
Write a note on Treatment for electric shock.