Hontai Machinery and equipment (HK) Co. ltd
Hontai Machinery and equipment (HK) Co. ltd God helps those who help themselves, Creative and progressive,Being honest.
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RCS-974 Transformer Protection Auxiliary Relay oil and winding temperature gas, pressure Pole disagreement protection
The RCS-974 provides auxiliary protection for transformers including mechanical protection, pole disagreement protection and breaker failure protection. The source of mechanical protection can be designed from non-electrical quantities such as gas, oil temperature, winding temperature, pressure and oil level. It is fully compatible with IEC 61850 communication.
Mechanical protection. (26: oil and winding temperature; 63:gas, pressure; 71: oil level; etc)
Breaker failure initiation. (50BF)
Pole disagreement protection.
Fault and disturbance recorder.
64 pieces of tripping reports.
64 pieces of alarm reports.
64 pieces of binary input status change reports.
High resolution oscillography of last 24 oscillograms
(Compatible with international COMTRADE format)
Rear communication ports: Ethernet (Optional) with IEC 61850 or 2 RS-485 with
IEC 60870-5-103 protocol, 1 RS- 485 for clock synchronization, 1 RS-232 with printer.
• Front communication port: 1 RS-232 for testing and setting