👉Used to protect the equipment from damage due to lightning.
👉It has open circuit connection during normal condition and doesn’t effect on power system.
👉Whenever the higher voltage strikes it provides a low impedance path from phase to earth wire.
✏️BIRD GUARDS
👉Insulators are fitted over wooden guards known as bird guards.
👉These are used to avoid short circuit due to or earth fault due to sitting of birds.
👉In case of towers of HT transmission guards are made up of galvanized steel and of such shape where bird cannot sit.
👉These are placed just above strain insulators.
No comments:
Post a Comment
If you have any doubts or clarification you need in my blog topics, I would 💯 try to clear it in an efficient manner as possible. I will also accept your suggestions.