Min and max capacities of VCB,ACB,ACCB,OCB,MCCB and MCB
Answer Posted / saraz06a0222
MCB not more than 100A
RCCB not more than 100A
MCCB 100 - 2500A
ACB. 630 - 6300A
VCB rated up to 6300 for HT
Is This Answer Correct ? | 30 Yes | 7 No |
Post New Answer View All Answers
How efficiency of thermal plant can be improved?
explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?
What do you understand by external characteristics of a d.c. Generator?
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
what is differant beetween overload current and phase current?
How to calculate VA rating for CT or PT or Control Transformer?
HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?
Why you want to join non technical field when you are an engineer?
What is meant by control system?
What is time invariant system?
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
What is the difference between Generator Differential Relay and Transformer Differential Relay?
should %impedance be high or low in a power transformer? if so why?
What happened when voltage will half value of current ...
What is the difference between the relay and the circuit breaker?