what is the operating principle of contactor(power).along
with disection?
Answer Posted / arshad m, calicut,kerela
Contactor is used for controlling the Device.It contain one
energising coil and auxiliary contacts ie NO or NC.Whenever
the coil gets energise its auxiliarry contacts position
changes ie NO become NC and NC become NO.
| Is This Answer Correct ? | 41 Yes | 9 No |
Post New Answer View All Answers
What is meant by sag?
what is the difference between the voltage of 5 volts capacitor and and 5volts battery?
i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.
What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?
how wecalculate breaking capcity of acb mcb mccb .explain with example
What is making & breaking current ???
what is the difference between oil surge relay and buchholz relay.
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
What is nichols chart?
What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?
why different series of vfds (like allenbradley)are used in industry ?
how to carried out DAR test in 11 KV Alternator ?
Why synchorised generators are used for the production of electricity?
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
.php|