EN基于频域、时域分析的新一代调相机与STATCOM对比及适用场景研究
Comparison and Applicability of New Generation Synchronous Condenser and STATCOM Based on Characteristic Analysis in Frequency and Time Domains
- 发电技术 2021年42卷第1期 页码：69-77
- 作者机构：
1.电网安全与节能国家重点实验室(中国电力科学研究院有限公司), 北京市 海淀区 100192
2.国网陕西省电力公司经济技术研究院, 陕西省 西安市 710075
3.国网陕西省电力公司, 陕西省 西安市 710004
- 作者简介：
[ "张一驰(1989)，女，硕士，工程师，研究方向为电力系统规划、电力系统安全防御，zhangyichi@epri.sgcc.com.cn" ]
[ "李志强(1978)，男，博士，高级工程师，研究方向为电力系统建模及参数识别" ]
- 基金信息：国家自然科学基金项目(U1766201);国网陕西省电力公司经济技术研究院技术服务项目(XTB11201805156)
DOI：10.12096/j.2096-4528.pgt.20128
中图分类号： TK01;TM727收稿：2021-01-05，
纸质出版：2021-02-28
- 稿件说明：
移动端阅览
张一驰, 李志强, 王喆, 等. 基于频域、时域分析的新一代调相机与STATCOM对比及适用场景研究[J]. 发电技术, 2021,42(1):69-77.
Yichi ZHANG, Zhiqiang LI, Zhe WANG, et al. Comparison and Applicability of New Generation Synchronous Condenser and STATCOM Based on Characteristic Analysis in Frequency and Time Domains[J]. Power Generation Technology, 2021, 42(1): 69-77.
张一驰, 李志强, 王喆, 等. 基于频域、时域分析的新一代调相机与STATCOM对比及适用场景研究[J]. 发电技术, 2021,42(1):69-77. DOI： 10.12096/j.2096-4528.pgt.20128.
Yichi ZHANG, Zhiqiang LI, Zhe WANG, et al. Comparison and Applicability of New Generation Synchronous Condenser and STATCOM Based on Characteristic Analysis in Frequency and Time Domains[J]. Power Generation Technology, 2021, 42(1): 69-77. DOI： 10.12096/j.2096-4528.pgt.20128.
摘要
从频域和时域2个角度出发，对比研究了新一代调相机和静止同步补偿器（static synchronous compensator，STATCOM）的动态响应特性，并对不同场景下各设备的适用性进行了分析。首先，提出了一种衡量动态响应特性的有效无功电流增益指标，利用该指标对调相机和STATCOM的频域响应进行研究，对比不同系统电压波动频率下各设备的相幅频特性并分析作用效果。然后，基于我国现状及规划电网，考虑抑制系统工频及稳态过电压、降低多回直流同时换相失败风险、提升系统暂态电压稳定性等送受端电网应用需求，对2种动态无功补偿设备的时域动态特性进行对比。最后，综合分析2种动态无功补偿设备的技术优势，总结不同场景下各设备的适用性，为未来规划电网中动态无功补偿设备的优化选型提供技术支撑。
Abstract
The dynamic characteristics of new generation synchronous condenser and static synchronous compensator (STATCOM) were compared in both frequency and time domains in this paper
based on which their applicability under different scenes was analyzed. Firstly
an effective reactive current gain index was proposed to realize the dynamic response evaluation
via which the characteristics of two devices were studied in the frequency domain. The analyses include their effectiveness and comparison of phase and amplitude frequency characteristics under voltage fluctuation of different frequencies. Based on the current and planning power systems
their dynamic characteristics were compared in the time domain
considering the application demands for frequency and steady-state overvoltage restraining in sending-end power systems
the decreasing the possibility of simultaneous commutation failure in multiple DC lines
and the increasing transient voltage stability of receiving-end power systems. Their technical advantages and applicability under different scenes were finally analyzed and compared
to provide technical support of dynamic reactive power compensator selection in planning power systems.
关键词
Keywords
references
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