Answer / tanmay kumar

No,we have to make it manually by reseting the operated relay.

Answer / jaydeep

FIRST OF ALL SWITCHGEAR ARE CONECTED AND THAN AFTER C.B.
ARE CONNECTED B'Z SWITCHGEAR ARE USED TO DISCONNECT OR
RECONNECTION OF THE SYSTEM FROM LIVE ENERGIES .

Answer / yusuf

Once the Fault Cleared the CB Can be closed automatically
using Auto Re closure Relays... Auto reclosing relays are
available on different brands like SIEMENS, ABB and etc.,

Answer / gavin

Circuit breaker miniture as found in a consumer unit or
air as in a switch panel. MCB will not auto reclose as per
BS7671.
ACB will auto reclose using shunt coil but not if earth
fault is not reset first manually

Answer / mg

There is autoreclose function in protection relay(autoreclose relays) if fault is cleared the relay give close command to CKT breaker.

Answer / iqbal.aizza

with the help of springs which are placed both sides of
contacts.

why to use freewheeling diode ( diode in revers bias mode) across dc coil

2 Answers  

how to select a circuit breaker?

24 Answers   ABB, BARC, TCS,

What is the meaning of floating point earthing in battery backed systems ?

0 Answers  

Can anybody tell abt concrete encased earthing or grounding?

0 Answers  

What is bandpass of a transformer?

2 Answers  

I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

41 Answers   Armco, BEL, BGS, Biocon, BRB Cable, Crystalline Chemical Industries, DLF, Doshion, Electrical, Gold Roof, L&T, Lanco, MEIL, Oman Cables Industry SAOG, PK Services, Polycab, Sabic, SLV, System Electrical, Tata Motors, UEM, UMIC, Vega, Vertex, Voltas,

What is the difference between split AC and Casste AC?

2 Answers   NTPC,

can i connect the two phases of scott connected transformer,if not why?

0 Answers  

does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

defined power system?

3 Answers   Spanco,

hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

0 Answers  

The control system is used for?

3 Answers   CCP, NTPC,