Line Differential Protection Systems
The MiCOM Agile P541 & P542 series provide high speed current differential unit protection. They are designed for overhead line and cable applications, interfacing readily with the longitudinal (end-end) communications channel between line terminals. The interface options support direct fiber optic or multiplexed digital links.
Key features:
- Differential protection adaptable to different substation topologies: e.g. 2 or 3 terminal lines/cables, in-zone transformers, 3 pole tripping
- An ideal economy solution for distribution applications
- Small case width eases retrofitting tasks
Main characteristics:
- Choice of communication protocols (IEC 60870-5-103, Modbus & Courier)
- Time synchronization via RS485, IRIG-B (modulated/unmodulated) or opto inputs
- Harsh environment coating as standard to all MiCOM relay to protect against corrosive gases such as H2S or SO2
- InterMiCOM for transmitting 8 digital signals through teleprotection communication links
- 4 independent setting groups
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