[1]杨亚枢.虚拟惯量控制对提高电网一次调频稳定性的影响[J].控制与信息技术,2016,(06):52-54.[doi:10.13889/j.issn.2095-3631.2016.06.010]
 YANG Yashu.Effect of Virtual Inertia Control on the Stability of Primary Frequency Regulation[J].High Power Converter Technology,2016,(06):52-54.[doi:10.13889/j.issn.2095-3631.2016.06.010]
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虚拟惯量控制对提高电网一次调频稳定性的影响()
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《控制与信息技术》[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2016年06期
页码:
52-54
栏目:
电力系统
出版日期:
2016-12-05

文章信息/Info

Title:
Effect of Virtual Inertia Control on the Stability of Primary Frequency Regulation
文章编号:
2095-3631(2016)06-0052-03
作者:
杨亚枢
(神华神东电力重庆万州港电有限责任公司,重庆 404027)
Author(s):
YANG Yashu
(Shenhua Shendong Power Chongqing Wanzhou Power Company Ltd., Chongqing 404027, China)
关键词:
机械惯量电网一次调频虚拟惯性风力发电
Keywords:
mechanical inertia power grid primary frequency regulation virtual inertia wind power generation
分类号:
TM734
DOI:
10.13889/j.issn.2095-3631.2016.06.010
文献标志码:
A
摘要:
大规模风能通过输电线路接入交流系统之后,会使得电网系统惯量逐渐减小,导致系统阻止频率突变的能力下降;同时大容量负荷的切换,也会使电网频率大幅度振荡。为了研究证实虚拟惯量控制对稳定电网频率的支持作用,建立了110 kV 直流输电系统仿真模型,利用直流输电电容仿效出虚拟惯量常数加入控制系统中,从而改变电网惯性,改善频率抗干扰能力。仿真结果表明,采用虚拟惯量控制后,在系统功率变化时,调频回路立即动作,响应时间不到0.2 s,畸变幅值远远小于调频要求的1%,增强了一次调频抗干扰能力。
Abstract:
After large-scale wind power connecting to AC system through transmission lines, the inertia of grid system will gradually decrease, and the effect of the system on keeping frequency from sudden change may reduce. Furthermore, the switch with large -capacity load will cause great oscillation of the power system frequency. In order to research and prove the support effect of virtual inertia control on stable grid frequency, it constructed a digital simulation model of 110 kV HVDC system, and utilized DC transmission capacitance to imitate virtual inertia and then put it into control system, thus the grid inertia was changed and the anti-interference ability of frequency was improved. Simulation results indicate that with the virtual inertia control, as the system power changing, the frequency modulation circuit immediately responds, the response time is less than 0.2 s and distortion amplitude is far less than 1%, thus it enhances the anti-jamming capability of primary frequency regulation.

参考文献/References:

[1]金娜. 大容量机组一次调频参数对电网频率特性的影响[J]. 电力系统保护与控制,2012,40(1):91-95.
[2]王鹏.VSC-HVDC 系统的控制策略与仿真研究[D]. 北京:华北电力大学, 2004.
[3]张瑞平. 仿惯性控制在VSC-HVDC 系统中的应用[J]. 内蒙古科技与经济,2015(9):79-81.
[4]邓湘鄂,王弋飞,宁大龙,等 . 基于 AC/DC/AC 型电力电子变压器的电能质量改善研究[J]. 大功率变流技术,2016(3):27- 31.
[5]ZHANG G B,XU Z,WANG G Z. Control strategy for unsymmetrical operation of VSC-HVDC based on the improve dinstantaneous reactive power theory[C]//International Conference on AC-DC Power Transmission,2001:262-267.
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备注/Memo

备注/Memo:
收稿日期:2016-07-21
作者简介:杨亚枢(1988-),男,硕士,DCS 工程师,从事火力发电控制系统研究工作。
更新日期/Last Update: 2016-12-26