Redbud 工廠位于俄克拉荷馬州，擁有四臺相同的一拖一機組，總發(fā)電能力為 1,230 兆瓦。該工廠于 2003 年開始商業(yè)運營，配備了來自九家不同供應商的控制裝置。這種拼湊而成的控制系統(tǒng)為工廠帶來了許多挑戰(zhàn)。
OG&E 控制裝置升級項目經(jīng)理 Khoa Le 表示：“我們認識到，使用多種不同的控制系統(tǒng)必然會導致效率低下。我們希望將這些不同的控制系統(tǒng)整合到一個標準的自動化平臺，以提高所有機組的可靠性和一致性。與艾默生合作，我們在較短的時間內(nèi)完成了這次重大的控制裝置升級，幾乎能立即感受到此次升級對運營產(chǎn)生積極影響。”
為了解決效率低下的問題，艾默生用集成的 Ovation? 解決方案取代了汽輪機控制裝置，以及靜態(tài)勵磁和振動監(jiān)測系統(tǒng)。此外，艾默生還對汽輪機進行了復雜的機械改造，以消除單點故障并提供更準確和快速的響應。通過升級和調(diào)整的汽輪機控制裝置以及冗余的機械設計，汽輪機可以更快地達到設定值，從而將每臺機組的冷啟動時間縮短了 25-35 分鐘。
此外，艾默生還更換了每臺機組的余熱利用蒸汽發(fā)電機和電廠輔助控制裝置，并將輔助鍋爐、水處理、污水去離子和風道燃燒器控制裝置集成到 Ovation? 系統(tǒng)中。每臺機組的 Ovation? 系統(tǒng)與 OEM 燃氣輪機控制裝置接合在一個網(wǎng)絡上，從而實現(xiàn)監(jiān)測和控制。
過去，電廠人員并未深入了解控制邏輯，只能監(jiān)控來自不同供應商的多個過程和報警畫面。 Ovation? 系統(tǒng)將成千上萬的控制儀表縮減到數(shù)百個，并在整個電廠實施一致的邏輯、圖形和報警理念，使員工對電廠過程有了更清楚的了解，從而在問題升級之前快速識別并解決問題。
另外，由于到達現(xiàn)場所花的時間較長、文件資料不完整以及人工收集數(shù)據(jù)，因此對電廠進行故障排查可能需要數(shù)天時間。采用艾默生 Ovation? 企業(yè)數(shù)據(jù)解決方案后，OG&E 公司和電廠人員可以遠程查看實時或歷史的過程圖形、控制圖、報警列表和趨勢，為本地操作員提供實時指導
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