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    Line fiber differential protection L30, L90

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    Protective wiring diagram:Main advantages:1. Extremely fast and safe phase comparison protection - single phase and three-phase trip and automatic reclosing, typical trip time of 3/4 cycles2. Safe and

    1. Detailed information

    Protective wiring diagram:

    2014112109140191191.jpg

    Main advantages:

    1. Extremely fast and safe phase comparison protection - single phase and three-phase trip and automatic reclosing, typical trip time of 3/4 cycles

    2. Safe and reliable transmission line protection - use simple phase comparison principle

    3. Cost-effective and reliable solution - applied to the system based on power line carrier with public communication link.

    4. Advanced algorithms - free of channel noise interference, accurate compensation for each channel signal imbalance and accurate compensation

    Channel delay compensation

    5. Reliable operation of external fault - current can be handled independently to ensure the maximum security

    6. Flexible information access - multiple communication options and multiple protocols

    7. Circuit breaker monitoring - by simulating I/O, large-scale measurement, circuit breaker arc current monitoring and tripping counter to realize the condition monitoring of circuit breaker

    8. Reduce installation space requirements through a compact design - multipurpose device integrated protection and control functions, and equipped with programmable buttons and LED and communication interfaces

    9. Reduce maintenance cost and simplify maintenance process-modular structure, general hardware, plug and play module, reduce spare parts inventory,

    10. The flexibility of application - multi-i/O selection, programmable logic (FlexLogicTM), modularization, user protection and control functions

    11. Shorten event analysis time and reduce analysis cost - event sequence report, record wave, data record, IRIG-B time synchronization

    12. Built-in IEC 61850 specification - no external specification converter is needed