T35保護(hù)與發(fā)電機(jī)轉(zhuǎn)子過負(fù)荷能力配合分析
發(fā)布時(shí)間:2018-11-09 11:55
【摘要】:通過對(duì)GE T35轉(zhuǎn)子過負(fù)荷保護(hù)特性曲線分析,以制造廠提供的國產(chǎn)大型汽輪發(fā)電機(jī)轉(zhuǎn)子繞組過負(fù)荷限制能力為例,分析T35轉(zhuǎn)子過負(fù)荷保護(hù)十一種不同類型反時(shí)限特性曲線與轉(zhuǎn)子繞組過負(fù)荷能力的配合情況,在既滿足勵(lì)磁系統(tǒng)頂值電流和時(shí)間要求,又兼顧過勵(lì)限制保護(hù)定值整定,充分發(fā)揮發(fā)電機(jī)轉(zhuǎn)子繞組允許過負(fù)荷限制能力的條件下,得出IAC Extreme Inverse特性曲線為最佳配合關(guān)系曲線,可供繼電保護(hù)整定計(jì)算時(shí)參考。
[Abstract]:By analyzing the characteristic curve of GE T35 rotor overload protection, taking the overload limiting capacity of rotor winding of domestic large turbogenerator provided by manufacturer as an example, This paper analyzes the coordination of eleven kinds of reverse time characteristic curves of T35 rotor overload protection with rotor winding overload capacity. It not only meets the requirements of the top current and time of excitation system, but also takes into account the setting value of over-excitation limited protection. Under the condition that the rotor winding of generator can be restricted by overload, the IAC Extreme Inverse characteristic curve is obtained as the best matching curve, which can be used as a reference for the calculation of relay protection setting.
【作者單位】: 神華國華太倉發(fā)電有限公司;神華國華(北京)電力研究院有限公司;
【分類號(hào)】:TM31
本文編號(hào):2320342
[Abstract]:By analyzing the characteristic curve of GE T35 rotor overload protection, taking the overload limiting capacity of rotor winding of domestic large turbogenerator provided by manufacturer as an example, This paper analyzes the coordination of eleven kinds of reverse time characteristic curves of T35 rotor overload protection with rotor winding overload capacity. It not only meets the requirements of the top current and time of excitation system, but also takes into account the setting value of over-excitation limited protection. Under the condition that the rotor winding of generator can be restricted by overload, the IAC Extreme Inverse characteristic curve is obtained as the best matching curve, which can be used as a reference for the calculation of relay protection setting.
【作者單位】: 神華國華太倉發(fā)電有限公司;神華國華(北京)電力研究院有限公司;
【分類號(hào)】:TM31
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