Primary and Back-up Protection
Primary protection (Main protection) is the essential protection provided for protecting an equivalent/machine or a part of the power system. As a precautionary measure, an addition protection is generally provided and is called Backup Protection. In this post we will look in to the difference between primary & backup protection, advantages of backup protection, and methods of backup protection.
Advantages of Back-up Protection
Methods of Back-up Protection
- Relay Back-up
- Breaker Back-up
- Remote back-up
- Centrally Coordinated Back-up