what is the function of anti-pumping in circuit breaker?
Answer Posted / mostafa
suppose you close c.b and fault happen during closing (
temporary earhtg , breakdown ...) and you still press the
push botton the breaker will reclose in fault agian so
regard for this anti pumping used to prevent reclose
| Is This Answer Correct ? | 66 Yes | 18 No |
Post New Answer View All Answers
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
how to calculate maximum current
who many types of fire explane with exmple
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?
can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent
In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.
What is Long rod insulator and it's applications..? merits over the disc insulator ..?
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?
how does an encoder work???
what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.
types of central Air conditioner plant?
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
how can i get an electrical c-certificate?