考虑电网稳定限制的机组进相能力分析  

Analysis on Unit Capability of Leading-phase Operation Considering Stability Restriction of Power Grid

作　　者：刘翔宇[1] 何玉灵[2] 周文[1] 刘清泉[1] 常永亮[1] 孟凡超[1] 

机构地区：[1]国网河北省电力公司电力科学研究院,河北石家庄050021 [2]华北电力大学设备故障诊断与检测技术研究所,河北保定071003

出　　处：《华北电力大学学报（自然科学版）》2017年第1期52-57,共6页Journal of North China Electric Power University：Natural Science Edition

基　　金：国家自然科学基金资助项目(51307058);河北省自然科学基金项目(E2014502052;E2015502013);中央高校基本科研业务费专项资金项目(2015ZD27)

摘　　要：对电网静态稳定和暂态稳定限制下的机组进相运行能力进行了分析。首先在分析静态稳定限制机组进相运行机理的基础上估算了静态稳定对机组进相能力的限制。然后考虑不同运行方式,计算了机组在暂态稳定限制下的进相运行能力。最后通过对比现场进相试验得到的发电机进相运行能力,得到了静态稳定不是限制发电机进相能力主要因素,暂态稳定限制与运行方式紧密相关,进行进相运行物理试验前应考虑暂态稳定限制进行进相运行仿真的结论,并给出了对发电机进相运行能力研究的改进方案。论文成果对于发电机进相运行能力的研究和进相试验方案的改进有参考意义。This paper analyzes the leading-phase operation capability of the generator unit under the static stability restriction and the transient stability restriction,respectively. The impact of the static stability restriction on the leadingphase operation capability is firstly estimated based on the analysis of the restriction mechanism. Then,taking different running conditions into account,the leading-phase operation capability of the unit under the transient stability restriction is calculated. Finally,the leading-phase operation capabilities for different running conditions are compared with each other and the result shows that,the static stability is not the primary factor to restrict the leading-phase operation capability,while the transient stability restriction and the running conditions are closely related. Therefore,the simulation on the leading-phase operation capability under the transient stability restriction before the practical experiment is of significance. This paper proposes improvement suggestions for the studies on leading-phase operation capability. The achievements obtained in this paper are of great reference value to the research on the leading-phase operation capability and the improvement of the practical leading-phase experiment.

关 键 词：静态稳定 暂态稳定 稳定限制 进相能力 

分 类 号：TM31[电气工程—电机] TM743