what is the main function of contactor?????

Answer Posted / sdr

The function of a contactor is to make or break the circuit
on receiving a command.It is used to design auto ckts.

Is This Answer Correct ?    41 Yes 7 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

1132


how rectifier transformer work in electroststic precipetatore(esp?

2104


What are the advantages and disadvantages of open loop control system?

662


why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

1799


what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

1415






There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

1636


In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

1716


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1514


how wecalculate breaking capcity of acb mcb mccb .explain with example

1409


what you have to see after one week or month from the day of installation of transformer ?

1243


what is JE exam?

1709


PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

1591


What is PEC??Applications........

1510


IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.

1640


i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

1619