發(fā)電機(jī)保護(hù)與定子過負(fù)荷能力配合分析
周道軍
神華國(guó)華太倉發(fā)電有限公司，江蘇 太倉 215433
摘 要：以GE G60發(fā)電機(jī)定子過負(fù)荷保護(hù)和國(guó)產(chǎn)大型汽輪發(fā)電機(jī)為例，分析了GE G60發(fā)電機(jī)定子過負(fù)荷保護(hù)11條反時(shí)限特性曲線與定子繞組過負(fù)荷能力的配合情況，并在充分發(fā)揮發(fā)電機(jī)定子繞組過負(fù)荷限制能力，保持合理的級(jí)差配合關(guān)系的條件下，得出了IAC Extreme Inverse特性曲線與發(fā)電機(jī)定子繞組過負(fù)荷能力具有最佳配合關(guān)系。
關(guān)鍵詞：定子；過負(fù)荷保護(hù)；反時(shí)限；配合
中圖分類號(hào)：TM621；TM77 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2015)10-0024-05
Cooperated Analysis of Generator Protection and Stator Overload Capability
ZHOU Dao-jun
Shenhua Guohua Taicang Power Generation Co., Ltd, Taicang 215433, China
Abstract: Taking GE G60 generator stator overload protection and domestic large turbine generator for example, this paper analyzed the cooperated situation of GE G60 generator stator overload protection eleven curves with the inverse time characteristics and the stator winding overload capacity. Considering not only giving full play to the limit load of generator stator winding capability, but also maintaining a reasonable difference cooperation relations, the IAC Extreme Inverse curve and the generator stator winding overload capability have the best matching relation.
Key words: stator; overload protection; inverse time; cooperate
參考文獻(xiàn)
[1] GB/T 14285—2006 繼電保護(hù)和安全自動(dòng)裝置技術(shù)規(guī)程[S].
[2] GB/T 7064—2008 隱極同步發(fā)電機(jī)技術(shù)要求[S].
[3] DL/T 684—2012 大型發(fā)電機(jī)變壓器繼電保護(hù)整定計(jì)算導(dǎo)則[S].
[4] 高春如.大型發(fā)電機(jī)組繼電保護(hù)整定計(jì)算和運(yùn)行技術(shù)[M].2版.北京：中國(guó)電力出版社，2010.
