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頁籤選單縮合
題 名 | Design of Load Shedding Scheme for an Integrated Steelmaking Cogeneration Factility=一貫作業汽電共生鋼鐵廠之卸載策略設計 |
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作 者 | 許振廷; | 書刊名 | 南臺工商專校學報 |
卷 期 | 22 1996.04[民85.04] |
頁 次 | 頁61-69 |
分類號 | 446.3 |
關鍵詞 | 汽電共生; 暫態穩定度; 卸載策略; Cogeneration; Transient stability; Load shedding scheme; |
語 文 | 英文(English) |
中文摘要 | 本文主要在研究設計一多機組電共生系統之卸載策略。詳細調查汽電共生廠發電機、激磁系統及調速系統之數學模型及參數資料,分析廠內負載運轉的模式及操作特性以建立正確的負載模型。由於廠內發電量小於負載量所以當外部系統故障而電力公司解聯時,就必需執行卸載策略以避免汽電共生系統的崩潰。在暫態穩定度分析的配合下,卸載策略採用以低頻電驛切除廠內最大預期過載量的方式,在考慮卸載的段數、各段卸載頻率、解聯時機、每段卸載量及所需切除之負載後,即可制定汽電共生廠之卸載策略。最後以一臺電系統故障實例執行暫態穩定度分析,以驗証所設計之卸載策略能正確的動作。 |
英文摘要 | This paper develops the coordination of load shedding scheme for a large integrated steelmaking cogeneration facility. A detailed description of each design procedure is included in this paper. The loads are tripped by the underfrequency relays to prevent the power system from collapse when the plant becomes isolated due to utility service outage. The suitable models of generators, exciters, governors and loads are included in the transient stability program to derive the proper formulation of load shedding scheme. The key factors such as underfrequency settings, number of load shedding steps, size and location of the loads to be tripped, relay time delay and the coordination with the generator protection schemewere examined carefully during the computer simulation. An actual system fault case has been slected for the transient stability study to prove the accuracy of the load shedding scheme. The load shedding hardware has been instablled in the plant according to the proposed strategy to prevent the system from blackout when the disturbance occurs. |
本系統中英文摘要資訊取自各篇刊載內容。