DCS卡件FBM 213 DIFFERENTIAL 8 INPUT RTD, P/N - P0914XN
DCS卡件FBM 213 DIFFERENTIAL 8 INPUT RTD, P/N - P0914XN
DCS卡件FBM 213 DIFFERENTIAL 8 INPUT RTD, P/N - P0914XN
電機(jī)軟啟動(dòng)器安裝工藝流程:
軟啟動(dòng)器安裝->主回路端子接線->控制回路接線->啟動(dòng)參數(shù)設(shè)定->模擬試驗(yàn)->帶負(fù)荷試運(yùn)行
軟啟動(dòng)器安裝位置選擇防塵、 散熱條件較好的位置安裝; 安裝時(shí)應(yīng)按說明書考慮空間與周邊環(huán)境zui小距離。
主回路端子接線可分為內(nèi)接式和外接式(見圖 )兩種, 施工時(shí)按設(shè)計(jì)圖紙連接電機(jī)與軟啟動(dòng)器接線。
通常配電盤柜的控制回路已連接完整,用萬用表對(duì)照?qǐng)D紙檢查控制線路;注意不可用絕緣搖表檢測(cè)控制線路絕緣電阻,以免損壞軟啟動(dòng)器內(nèi)電子元件。
軟啟動(dòng)器不能作空負(fù)載模擬動(dòng)作試驗(yàn),因?yàn)榭肇?fù)載沒有電流電壓輸出,繼電保護(hù)會(huì)誤動(dòng)作;應(yīng)帶輕負(fù)載試驗(yàn),檢測(cè)軟啟動(dòng)器參數(shù)設(shè)置是否符合設(shè)計(jì)要求;在此*工程現(xiàn)場(chǎng)一個(gè)經(jīng)濟(jì)簡便方法:可利用三個(gè) 200W 白熾燈泡模擬電機(jī)三相繞組作為試驗(yàn)的輕負(fù)載。
試運(yùn)行階段注意實(shí)際測(cè)量值與設(shè)定值有無偏差,分析產(chǎn)生偏差原因不斷調(diào)整,直至符合要求;并做好相應(yīng)檢測(cè)記錄和運(yùn)行報(bào)告。
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