Easun reyrolle is an acknowledged leader in the field of electrical power management. Easun reyrolle manufactures and exports feeder/line differential protection--solkor n. The features of the feeder/line differential protection--solkor n are as follows.
1. trip circuit supervision [95]
2. fault recorder
3. disturbance recorder and sequential events recorder
4. lcd display [16-characters, 2 lines]
5. communications protocol compatible with iec 60870-5-103
6. i2 counter
7. fibre-optic communication port
8. three pole current differential protection with two stage bias characteristic [87]
9. neutral differential protection [87n]
10. three pole, phase fault overcurrent protection - idmtl or dtl with highsets [50/51p]
11. earth fault overcurrent protection - idmtl or dtl with highsets [50/51n]
12. magnetising inrush detector to provide additional restraint
13. intertripping from internal or external initiation
14. 7 programmable output relays
15. ratio correction for mis-matched line current transformer ratios
16. communication link supervision
17. circuit breaker fail protection [50bf]
18. metering of all current values
19. up to 9 programmable status and trip led`s
