

浏览全部资源
扫码关注微信
1.电力系统国家重点实验室深圳研究室(清华大学深圳国际研究生院),广东省深圳市 518055
2.云南电网有限责任公司电网规划研究中心,云南省昆明市 650011
Received:31 December 2019,
Revised:2020-06-02,
Published Online:07 September 2020,
Published:25 October 2020
移动端阅览
周智行,石立宝,陈义宣.异步联网下云南电网高频切机优化配置方案[J].电力系统自动化,2020,44(20):86-93.
ZHOU Zhihang,SHI Libao,CHEN Yixuan.Optimal Configuration Scheme of Over-frequency Generator Tripping for Yunnan Power Grid of China with Asynchronous Interconnection[J].Automation of Electric Power Systems,2020,44(20):86-93.
周智行,石立宝,陈义宣.异步联网下云南电网高频切机优化配置方案[J].电力系统自动化,2020,44(20):86-93. DOI: 10.7500/AEPS20191231006.
ZHOU Zhihang,SHI Libao,CHEN Yixuan.Optimal Configuration Scheme of Over-frequency Generator Tripping for Yunnan Power Grid of China with Asynchronous Interconnection[J].Automation of Electric Power Systems,2020,44(20):86-93. DOI: 10.7500/AEPS20191231006.
中国云南电网与中国南方电网主网实现异步联网后,外送直流线路故障引发的大量盈余功率使得系统频率稳定问题愈加突出。针对直流闭锁故障,推导了各发电机组对故障盈余功率的贡献因子,并提出了综合考虑故障严重程度和概率的切机优先度指标。随后讨论了高频切机首轮频率和末轮频率的配置原则,并采用动态交叉排序的方法满足被切机组的分散性要求。为提高仿真效率,先通过调节功率估计高频切机的近似解,再利用稳态频率约束修正该近似解,从而完成对每轮切除机组的优化配置。最后,通过应用聚类方法对生成的典型故障进行校验,结果表明所提方法不仅能提高暂态过程中最低频率并能有效降低最高频率,从而更利于系统稳定并规避低频减载动作风险,同时在保证稳态频率处于允许范围内的条件下有效减少了整体切机量。
After the Yunnan power grid of China and the China southern main power grid are interconnected asynchronously
the large amount of surplus power caused by the fault of sending DC lines makes the problem of system frequency stability more severe. Aiming at the DC blocking faults
the contribution factor of each generator unit to the surplus power caused by the fault is derived
and a tripping priority index with fault severity and probability taken into account is proposed. Furthermore
the configuration principles of the first-round and the last-round frequency settings for over-frequency generator tripping are discussed
and the dynamic cross-sequencing method is leveraged to meet the dispersion requirements of the tripped units. In order to improve the simulation efficiency
the approximate solution of over-frequency generator tripping is estimated by adjusting power first
and then the solution is modified by using the steady-state frequency constraint to complete the optimal configuration of the tripped units at each round. Finally
the generated typical faults are verified by using the clustering method. The simulation results demonstrate that the proposed method not only increases the minimum frequency but also reduces the maximum frequency during the transient process
which is more beneficial to the system stability and avoids the risk of under-frequency load shedding. At the same time
the overall tripping capacity is effectively reduced on the premise of ensuring that the steady state frequency is within the allowable range.
陈义宣 , 肖亮 , 李玲芳 , 等 . 异步联网下多直流送出系统的功率稳定性分析及评价标准 [J]. 高电压技术 , 2019 , 45 ( 1 ): 243 - 251
CHEN Yixuan , XIAO Liang , LI Lingfang , et al . Analysis and evaluation criterion of power stability for asynchronously interconnected multi-send HVDC systems [J]. High Voltage Engineering , 2019 , 45 ( 1 ): 243 - 251 .
周保荣 , 洪潮 , 金小明 , 等 . 南方电网同步运行网架向异步运行网架的转变研究 [J]. 中国电机工程学报 , 2016 , 36 ( 8 ): 2084 - 2092 .
ZHOU Baorong , HONG Chao , JIN Xiaoming , et al . Study of backbone structure change from synchronous to asynchronous in China Southern Power Grid [J]. Proceedings of the CSEE , 2016 , 36 ( 8 ): 2084 - 2092 .
李兆伟 , 吴雪莲 , 庄侃沁 , 等 . “9·19”锦苏直流双极闭锁事故华东电网频率特性分析及思考 [J]. 电力系统自动化 , 2017 , 41 ( 7 ): 149 - 155 .
LI Zhaowei , WU Xuelian , ZHUANG Kanqin , et al . Analysis and reflection on frequency characteristics of east China grid after bipolar locking of “9·19” Jinping-Sunan DC transmission line [J]. Automation of Electric Power Systems , 2017 , 41 ( 7 ): 149 - 155 .
张志强 , 袁荣湘 , 徐友平 , 等 . 适应多回特高压直流的四川电网高频切机优化 [J]. 电力系统自动化 , 2016 , 40 ( 2 ): 141 - 146 .
ZHANG Zhiqiang , YUAN Rongxiang , XU Youping , et al . Optimization of over-frequency generator-tripping scheme in Sichuan power grid adaptable to multi-UHVDC transmission project [J]. Automation of Electric Power Systems , 2016 , 40 ( 2 ): 141 - 146 .
董新洲 , 汤涌 , 卜广全 , 等 . 大型交直流混联电网安全运行面临的问题与挑战 [J]. 中国电机工程学报 , 2019 , 39 ( 11 ): 3107 - 3119 .
DONG Xinzhou , TANG Yong , BU Guangquan , et al . Confronting problem and challenge of large scale AC-DC hybrid power grid operation [J]. Proceedings of the CSEE , 2019 , 39 ( 11 ): 3107 - 3119 .
董昱 , 张鑫 , 余锐 , 等 . 水电汇集多直流弱送端电网稳定控制及系统保护方案 [J]. 电力系统自动化 , 2018 , 42 ( 22 ): 19 - 27 .
DONG Yu , ZHANG Xin , YU Rui , et al . Stability control and system protection scheme for power grid with hydropower pool and multi-DC weak sending-end [J]. Automation of Electric Power Systems , 2018 , 42 ( 22 ): 19 - 27 .
李卫东 , 晋萃萃 , 温可瑞 , 等 . 大功率缺失下主动频率响应控制初探 [J]. 电力系统自动化 , 2018 , 42 ( 8 ): 22 - 30 .
LI Weidong , JIN Cuicui , WEN Kerui , et al . Active frequency response control under high-power loss [J]. Automation of Electric Power Systems , 2018 , 42 ( 8 ): 22 - 30 .
李常刚 , 李华瑞 , 刘玉田 , 等 . 计及低频减载动作的最大暂态频率偏移快速估计 [J]. 电力系统自动化 , 2019 , 43 ( 12 ): 27 - 35 .
LI Changgang , LI Huarui , LIU Yutian , et al . Fast estimation of maximum transient frequency deviation considering under-frequency load shedding [J]. Automation of Electric Power Systems , 2019 , 43 ( 12 ): 27 - 35 .
胡益 , 王晓茹 , 滕予非 , 等 . 特高压直流闭锁后的交直流混联受端电网最优切负荷方案 [J]. 电力系统自动化 , 2018 , 42 ( 22 ): 98 - 108 .
HU Yi , WANG Xiaoru , TENG Yufei , et al . Optimal load shedding scheme for AC/DC hybrid receiving-end power grid after UHVDC blocking [J]. Automation of Electric Power Systems , 2018 , 42 ( 22 ): 98 - 108 .
张志强 , 徐友平 , 袁荣湘 , 等 . 大型互联区域电网解列后送端电网频率特性及高频切机方案 [J]. 电网技术 , 2015 , 39 ( 1 ): 288 - 293 .
ZHANG Zhiqiang , XU Youping , YUAN Rongxiang , et al . Frequency characteristics of power grid at sending end of split large-scale interconnected regional power grid and corresponding over-frequency generator-tripping scheme [J]. Power System Technology , 2015 , 39 ( 1 ): 288 - 293 .
周磊 , 张丹 , 刘福锁 , 等 . 异步联网后云南电网的频率特性及高频切机方案 [J]. 南方电网技术 , 2016 , 10 ( 7 ): 17 - 23 .
ZHOU Lei , ZHANG Dan , LIU Fusuo , et al . Frequency characteristics of Yunnan power grid and corresponding over-frequency generator tripping scheme after asynchronous interconnection [J]. Southern Power System Technology , 2016 , 10 ( 7 ): 17 - 23 .
岳涵 , 邵广惠 , 孙铭泽 , 等 . 含大规模新能源集中外送型电网高频第三道防线配置方法 [J]. 电网技术 , 2019 , 43 ( 5 ): 1766 - 1771 .
YUE Han , SHAO Guanghui , SUN Mingze , et al . A configuration method of high frequency third defensive line for power-integrated-exporting grid with large-scale renewable energy [J]. Power System Technology , 2019 , 43 ( 5 ): 1766 - 1771 .
倪以信 , 陈寿孙 , 张宝霖 . 动态电力系统的理论和分析 [M]. 北京 : 清华大学出版社 , 2014 .
NI Yixin , CHEN Shousun , ZHANG Baolin . Theory and analysis of dynamic power system [M]. Beijing : Tsinghua University Press , 2014 .
陈懿 , 刘涤尘 , 吴军 , 等 . 异步联网送端系统紧急切机控制方法 [J]. 电力自动化设备 , 2018 , 38 ( 8 ): 131 - 137 .
CHEN Yi , LIU Dichen , WU Jun , et al . Emergency generator tripping control method for sending end of asynchronous interconnection system [J]. Electric Power Automation Equipment , 2018 , 38 ( 8 ): 131 - 137 .
岑炳成 , 黄涌 , 廖清芬 , 等 . 基于频率影响因素的低频减载策略 [J]. 电力系统自动化 , 2016 , 40 ( 11 ): 61 - 67 .
CEN Bingcheng , HUANG Yong , LIAO Qingfen , et al . Under-frequency load shedding strategy based on frequency influence factors [J]. Automation of Electric Power Systems , 2016 , 40 ( 11 ): 61 - 67 .
陈谦 , 唐国庆 , 王浔 . 多端VSC-HVDC系统交直流潮流计算 [J]. 电力自动化设备 , 2005 , 25 ( 6 ): 1 - 6 .
CHEN Qian , TANG Guoqing , WANG Xun . AC-DC power flow algorithm for multi-terminal VSC-HVDC systems [J]. Electric Power Automation Equipment , 2005 , 25 ( 6 ): 1 - 6 .
郅静 . 潮流转移危险线路及输电断面的搜索与安全控制 [D]. 北京 : 华北电力大学 , 2016 .
ZHI Jing . Search and safety control of dangerous lines in power flow transferring and transmission section [D]. Beijing : North China Electric Power University , 2016 .
游广增 , 李玲芳 , 朱欣春 , 等 . 云南电网对乌东德多端直流适应性分析 [J]. 广东电力 , 2018 , 31 ( 9 ): 32 - 38 .
YOU Guangzeng , LI Lingfang , ZHU Xinchun , et al . Analysis on adaptability of Yunnan power grid to Wudongde multi-terminal DC [J]. Guangdong Electric Power , 2018 , 31 ( 9 ): 32 - 38 .
王一振 , 马世英 , 王青 , 等 . 电力系统孤网高频问题研究现状和发展趋势 [J]. 电网技术 , 2012 , 36 ( 12 ): 165 - 169 .
WANG Yizhen , MA Shiying , WANG Qing , et al . Present status and developing trend of research on over frequency in isolated power grid [J]. Power System Technology , 2012 , 36 ( 12 ): 165 - 169 .
陈赟 . 计及风电接入动态特征的电网频率紧急控制策略研究 [D]. 北京 : 华北电力大学 , 2016 .
CHEN Yun . Power system frequency emergency control strategy considering dynamic characteristics of wind power [D]. Beijing : North China Electric Power University , 2016 .
0
Views
0
下载量
7
CSCD
Publicity Resources
Related Articles
Related Author
Related Institution
京公网安备11010802024621