Why dc supply is used for closing and tripping coil of ht
breakers. What happen if we use only ups ac supply only.
Answer Posted / ganesh yeole
hey friends.....I agreed ur ans but I feel one more thing...if we use AC supply to HT system....see you know well sign wave when wave going upper side then down....when wave coming down side you have to see 0 volt but HT tripping or closing coils or contactor pick up time not sufficiently working on there. it not working properly so you found there electrical damages. that's cause DC supply using in HT system. cause DC is directly pick up to coils.........if you are satisfied to my answer you mailed me ganesh.yeole89@gmail.com.......mob no. 09579853838
| Is This Answer Correct ? | 5 Yes | 4 No |
Post New Answer View All Answers
What is the difference between a 3 winding and 2 winding Potential Transformer
How many kw will suply from one db
what is lumped and distributed elements?
what is the significance of tan&delta and how it performed in power transformer
What is the distance between each insulator in 33kv transformer and how can it calculate
When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is
hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects
WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?
what is the purpose of silicon dropper used in battery charger?
where was current transformer protection units used and why??
clarify types of motor operated valves and advantages
the problem faced on star or delta winding connection??
What is line resistance of cable & how it can be measured ?
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
Why neutral cable carry current.