difference between isolator and circuit breaker?????
Answer Posted / esam hamdy
An isolator is the gate of the voltage while a breaker is
the gate of the current in a bay. The isolator opens and
closes only on zero current while the breaker opens and
closes on zero current, full load current and short circuit
current so, the breaker has arc-quenching medium and the
isolator has not.
Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
what is the function of gss in the dg set.
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)
in science exhibition how lamp can blink when you clap near the lamp ? thank you
why u r living from presentaly working.
What does Bode plot tell you?
How to work E.L.C.B and how to connect in circuit.
how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com
What are the advantages of speed control using thyristor?
How to know of any cable size if there are not written on cabl?
PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F
do you have some of interview Questions in power and genrator section in general whith answers
What are unstable systems?
how much excitation voltage required to generate 1mw power?
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?