The L90 provides high-speed current differential protection suitable for transmission lines and cables of various voltage levels, while supporting complete distance protection and dual-breaker applications suitable for single and three-pole tripping applications. The L90 uses synchronized sampling at each relay to limit the impact of communications channel issues. The differential element’s adaptive restraint balances sensitivity for internal faults and security during external faults. The L90 supports inter-relay protection communications via direct fiber as well as different interfaces.
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All brands DCS, PLC spare parts
1.Invensys Foxboro: I/A Series system, FBM (field input/output module) sequence control, trapezoidal logic control, accident recall processing, DAC, input/output signal processing, data communication and processing.
2.Invensys Triconex: Redundant fault-tolerant control system, the most modern fault-tolerant controller based on triple modular redundancy (TMR) structure.
3.Westinghouse (Westinghouse): OVATION system, WDPF system, MAX1000 system spare parts.
4.Rockwell Allen-Bradley: ICS TRIPLEX、Reliance Ryan, SLC 500/1747/1746, MicroLogix/1761/1763/1762/1766/1764, CompactLogix/1769/1768, Logix 5000/1756/1789/1794/1760/1788, PLC-5/1771/1785, etc.
5.Schneider Modicon: Quantum 140 series processors, control cards, power modules, etc.
6.ABB: Industrial Robot Spare Parts DSQC Series (No. 2, No. 3, No. 4, No. S4C, No. S4C, IRC5),
7.Bailey INFI 90, etc.
8.Siemens (SIEMENS):Siemens MOORE, Siemens Simatic C1, Siemens CNC system and so on.
9.Motorola (Motorola): MVME 162, MVME 167, MVME1772, MVME177 and other series.
10.XYCOM:I/O, VME board and processor.
11.GE FANUC (GE FANUC): modules, cards, drives and other spare parts.
12.Yaskawa (ochuan): servo controller, servo motor, servo driver.
13.Bosch Rexroth (BOSCH Rexroth): Indramat, I/O module, PLC controller, drive module and so on.
14.Woodward (Woodward): SPC valve position controller, PEAK150 digital controller.
15.Spare parts for industrial robot system
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