why use only sf6 circuit breker in 400 kv sub station

Answer Posted / ankit_17aug

gas qunching good meduim then use

Is This Answer Correct ?    3 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

1612


what are the preventive maintanance actions taken for air circuit breaker? please answer me

1563


Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

1498


why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

2628


Draw a SLD of DG distribution up to main LT panel?

8856






how to decide the panel size like MDB ,SMDB PANEL SIZES

6803


Where burned of electricity,when,who, & why.

1511


How we calculate the size of ht cable for any transformer

1562


In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

2783


An automatic water heater is an example of which type of control system?

725


1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?

2296


What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

1630


Define cuttoff frequency?

680


Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2297


Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3169