DS3800CPSC GE
DS3800CPSC GE
機(jī)組正常起動(dòng)時(shí),當(dāng)發(fā)電機(jī)達(dá)到額定轉(zhuǎn)速時(shí),DCS將投入AVR。當(dāng)發(fā)電機(jī)電壓達(dá)到額定值時(shí),DCS將投入同期裝置。發(fā)電機(jī)與電網(wǎng)的同期是由同期裝置自動(dòng)實(shí)現(xiàn),在同期過程中通過DCS控制AVR、DEH,當(dāng)同期條件滿足時(shí),向發(fā)電機(jī)斷路器發(fā)合閘指令。在同期合閘成功,發(fā)電機(jī)電負(fù)荷達(dá)到值之后,DCS將壓廠用電系統(tǒng)快速從啟備變切換到壓廠變上。
機(jī)組正常停機(jī)時(shí),DCS控制降低機(jī)組負(fù)荷,當(dāng)機(jī)組負(fù)荷降到某值時(shí),DCS將壓廠用電系統(tǒng)快速切換到啟/備變系統(tǒng)供電;當(dāng)機(jī)組負(fù)荷繼續(xù)降到零,跳開主開關(guān),聯(lián)跳汽輪機(jī)(主汽門關(guān)閉),發(fā)電機(jī)滅磁。
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B-9342-E / 14,4kW
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