Answer Posted / mehul g. c.
mcb will protect you system against overload & short circiut.
because it is having thermomegnatic strip it will open the
contact when current exeeding his normal alue.
but
isolater is one switch only. you can operate when you want
break the power of your system in maintenance or for the
other work
in short mcb will trip automatically and protect your system
& isolater is operated manually.
| Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
send me any model test paper of clerical post of state bank of india.......
Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???
what happen if the parallel generator phase angle shift by 1 degree in manual mode
Draw the DOL starter and star delta starter drawing?
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
What are test signals and their significance?
How capacitor improves pf
what is the best transformer oil breakdown voltage?
What is the use of Surge Capacitor in LAVT?
what is the write prosidure of stringing of 8meter pcc pole.
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?
Why r u using pf panel. what the uses
How to Make relay co ordination chart for a Electrical power distribution of a plant
How to choose size of the cable w.r.to current carrying capacity ...
How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?
