What are the Specification for Non-Directional Overcurrent & Earth Fault Relay?
Answer:
Please find below Specifications for 33/22 kV Feeder OC & EF Relay
1) 3OC+ 1EF with internal LBB , lowest and highest function
2) LBB initiation- internal/external
3) LBB reset- with current
4) auxiliary DC- 30- 250V DC
5) binary input voltage- 110v or220V configurable
6) IEC 61850 compatible
7) binary input 6, output 8
8) watch dog contact require
9) CT secondary- 1A
10) DR and event logging
11) psm , tms step size- 0.001
12) curve- NI 3, NI 1.3, definite time
