what is the pperating squvance in transmission line for
circuit braker, isolater & earthing switch.

Answer Posted / sandeep

in case of maintainance first open the circuit breaker then
open the isolator then close the earthing switch
and while charging the line do exact reverse i.e. open
earthing switch first then close isolator then finally
close circuit breaker.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how much GROUND & NEUTRAL VOLT maintain in data center.

1535


The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

1488


During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

1518


how to calculate

1170


Why synchorised generators are used for the production of electricity?

716






What is the difference between hot and cold loop testing?

669


Explain Continuous and Discrete signals?

1293


How many turns are there in primary winding? (In Transformer)

1219


if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1525


Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

1416


Pl. give me checklist for installation & commissioning of machine tool.

1759


how a flip flop can be used as a latch?

1553


what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

4628


How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

2248


why moisture formation found in XLPE Armoured cable outer sheath

1333