why do we prefer VCB over OCB? what are the advantages of
Vaccum Ckt. Breaker over Oil Ckt. Breaker?
Answer Posted / sithi
arc extinguish is more fastly than OCB
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?
What are dependent sources?
how to select electronic timer(Star-Delta) setting for diff. rating motors
How energy is generated in hydroelectric power plant?
why three phase capacitor takes unbalanced current in capacitor bank?
Give some differences between open loop and closed loop control systems.
How will change the frequency in distribution side?
What is the technical difference between On delay timer and a Star delta timer?
I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com
from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?
what mean by analog ,digital,numerical meters and relays? say the example?
what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.
what is meant by brushed alternator & its working principle ?
What are the advantages of skewing of cage rotor conductors?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt