1.469電機(jī)保護(hù)系統(tǒng)是SR繼電器系列的一個(gè)成員
在經(jīng)濟(jì)高效的行業(yè)領(lǐng)先環(huán)境中實(shí)現(xiàn)控制、簡(jiǎn)化配置和高級(jí)通信
拉出結(jié)構(gòu)。469專為中壓電機(jī)設(shè)計(jì)，提供先進(jìn)的保護(hù)，具有：
可定制的過載曲線和單CT差動(dòng)保護(hù)增加了靈活性。469還包括
使用電機(jī)設(shè)置自動(dòng)配置器提供簡(jiǎn)化的配置，提供快速簡(jiǎn)便的
電機(jī)參數(shù)的設(shè)置。結(jié)合高級(jí)保護(hù)和診斷，469為用戶提供
多種通信協(xié)議的靈活性，允許集成到新的和現(xiàn)有的控制中
網(wǎng)絡(luò)。
2.主要好處
?綜合電機(jī)保護(hù)加上電壓相關(guān)過載曲線、扭矩測(cè)量和
保護(hù)，轉(zhuǎn)子斷條保護(hù)
?最先進(jìn)的熱模型-包括用于定子熱保護(hù)的多個(gè)RTD輸入
?盡量減少更換時(shí)間-抽出式施工
?完整的資產(chǎn)監(jiān)控-溫度、模擬I/O、全計(jì)量，包括需求和能源
?通過I/O監(jiān)控改善輔助設(shè)備的正常運(yùn)行時(shí)間
?減少故障排除時(shí)間和維護(hù)成本-事件報(bào)告、波形捕獲、數(shù)據(jù)記錄器
?內(nèi)置模擬功能簡(jiǎn)化測(cè)試和調(diào)試
?通過標(biāo)準(zhǔn)RS232和RS485串行端口以及可選端口，經(jīng)濟(jì)高效地訪問信息
3.以太網(wǎng)和DeviceNet端口
?現(xiàn)場(chǎng)可升級(jí)固件和設(shè)置
?可選保形涂層，用于暴露于化學(xué)腐蝕或潮濕環(huán)境
4.應(yīng)用
?保護(hù)和管理三相、中型和大型馬力電機(jī)和驅(qū)動(dòng)電機(jī)
設(shè)備，包括高慣量、雙速和低壓?jiǎn)?dòng)電機(jī)
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
