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Multifunction Protection Relay
Multifunction Protection Relay
ERL Group offers a range of Multifunction Protection Relays. The F-PRO range provides cost effective, integrated numerical protection, control, monitoring, measuring and communication functionality. The relay has state-of-the-art technology, which ensures superior performance. The multifunction capability of F-PRO finds application as main or back protection in almost every area of power system protection. The relay has prologic and grouplogic functions, which allows user to build or implement their own logic depending upon the scheme requirement for various interlock applications and activation of relevant setting group.
Product & Technology News
- F-PRO provides comprehensive protection for distribution feeders
- Back-up protection for transformers
- Transmission lines and generators
- Direct/Non-Direct over current protection (67/51/50)
- Direct/Non-Direct measured ground fault protection (67G/51G/50G) or/and derived ground fault protection (67N/51N/50N)
- Restricted/ sensitive (Direct/Non-Direct) ground fault protection (64 REF/67 SEF/51 SEF/50 SEF)
- Voltage controlled/ retrained over current (51 V)
- Over/under voltage protection (59/27)
- Neutral voltage displacement protection (59N/59G)
- Negative sequence over current protection (46)
- Negative sequence over voltage protection (47)
- Thermal over load protection (49)
- Directional real/reactive power protection (32P/32Q)
- Over/ under frequency protection (81O/81U)
- Rate of change of frequency protection (81R)
- Cold load pick-up (67C/51C)
- Switch-on-to-fault protection (SOTF)
- Circuit breaker failure protection (50BF)
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