1.469電機保護系統是SR繼電器系列的一個成員
在經濟高效的行業領先環境中實現控制、簡化配置和高級通信
拉出結構。469專為中壓電機設計，提供先進的保護，具有：
可定制的過載曲線和單CT差動保護增加了靈活性。469還包括
使用電機設置自動配置器提供簡化的配置，提供快速簡便的
電機參數的設置。結合高級保護和診斷，469為用戶提供
多種通信協議的靈活性，允許集成到新的和現有的控制中
網絡。
2.主要好處
?綜合電機保護加上電壓相關過載曲線、扭矩測量和
保護，轉子斷條保護
?最先進的熱模型-包括用于定子熱保護的多個RTD輸入
?盡量減少更換時間-抽出式施工
?完整的資產監控-溫度、模擬I/O、全計量，包括需求和能源
?通過I/O監控改善輔助設備的正常運行時間
?減少故障排除時間和維護成本-事件報告、波形捕獲、數據記錄器
?內置模擬功能簡化測試和調試
?通過標準RS232和RS485串行端口以及可選端口，經濟高效地訪問信息
3.以太網和DeviceNet端口
?現場可升級固件和設置
?可選保形涂層，用于暴露于化學腐蝕或潮濕環境
4.應用
?保護和管理三相、中型和大型馬力電機和驅動電機
設備，包括高慣量、雙速和低壓啟動電機
469 Motor Protection System, a member of the SR family of relays, provides protection,
control, simplified configuration and advanced communications in a cost effective industry leading
draw-out construction. Designed for medium voltage motors, the 469 delivers advanced protection with
customizable overload curves and single CT differential protection for added flexibility. The 469 also
provides simplified configuration using the Motor Settings Auto-Configurator, providing a quick and easy
set-up of motor parameters. Coupled with advanced protection and diagnostics, the 469 provides users
the flexibility of multiple communication protocols allowing integration into new and existing control
networks.
Key Benefits
? Comprehensive motor protection plus voltage dependant overload curves, torque metering and
protection, broken rotor bar protection
? Most advanced thermal model - Including multiple RTD inputs for stator thermal protection
? Minimize replacement time - Draw-out construction
? Complete asset monitoring - Temperature, Analog I/O, full metering including demand & energy
? Improve uptime of auxiliary equipment - Through I/O monitoring
? Reduce troubleshooting time and maintenance costs - Event reports, waveform capture, data logger
? Built in simulation functions simplify testing and commissioning
? Cost Effective Access to information - Through standard RS232 & RS485 serial ports, and optional
Ethernet and DeviceNet Ports
? Field upgradable firmware and settings
? Optional Conformal coating for exposure to chemically corrosive or humid environments
Applications
? Protection and Management of three phase medium and large horsepower motors and driven
equipment, including high inertia, two speed and reduced-voltage start motors
