Dear All,
Need advice on some strange tripping occurred in our industry, our Protection Relay Micom P111, settings are below,
our relay tripped the VCB on about 75% of overcurrent settings two times and after replacing the protection relay same problem occurred, need support.
Picture attached for reference,
Need advice on some strange tripping occurred in our industry, our Protection Relay Micom P111, settings are below,
our relay tripped the VCB on about 75% of overcurrent settings two times and after replacing the protection relay same problem occurred, need support.
Picture attached for reference,
| Phase | Ampere |
| Tripping Values A | 259.2 |
| Tripping Values B | 259.2 |
| Tripping Values C | 259.2 |
| CT Ratio | 600 |
| Setting | 0.75 |
| Setting Ampere | 450 |
| Time | 1.5 secs |
