Hello friends,
In the panel equipment video series , today we are here with auxiliary relay video, also known as 3 element relay. This relay is mainly used in transformer panels for various individual protection for PVR relay, bucholz relay , OTI and WTI tripping.
In this video we have explained electrical diagram and compared to actual auxiliary relay.
Wiring for relay is also explained in the video.
All your doubts are welcome in the comments section below.
Keep watching.
timestamp
Electrical diagram of Three element relay/ auxiliary relay: 00:30
NO and NC Contact of Three element relay/ auxiliary relay: 01:30
Actual three element relay: 01:50
Terminal introduction and wiring of Three element relay/ auxiliary relay: 04:30
Assign relay for buchholz relay: 05:00
Three element relay/ auxiliary relay connection to master relay: 05:40
Three element relay/ auxiliary relay connection to annunciator: 06:00
Assign relay for PRV relay: 07:10
Assign relay for OTI relay: 07:20
28 авг 2021
