特高压直流分层接入下交直流系统中长期电压稳定协调控制

谢季平; 张文; 杨浩

doi:10.7500/AEPS20190403005

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特高压直流分层接入下交直流系统中长期电压稳定协调控制

学术研究 | 更新时间：2020-07-14

- 特高压直流分层接入下交直流系统中长期电压稳定协调控制
- Coordinated Control for Medium- and Long-term Voltage Stability of AC/DC Power Systems with Hierarchical Connection Mode of UHVDC System
- 电力系统自动化-方正平台 2020年第6期页码：37-44
- 作者机构：
  
  电网智能化调度与控制教育部重点实验室(山东大学),山东省济南市250061
- 作者简介：
  
  谢季平(1993—),男,硕士研究生,主要研究方向:电力系统电压稳定与控制。E-mail:xiejiping@mail.sdu.edu.cn
  张文(1966—),女,通信作者,教授,博士生导师,主要研究方向:电力系统优化运行与控制、智能算法及其在电力系统中的应用。E-mail:zhangwen@sdu.edu.cn
  杨浩(1988—),男,博士研究生,主要研究方向:交直流系统稳定评估及控制。
- 基金信息：
  
  山东省自然科学基金资助项目(ZR2018MEE038);国家重点研发计划资助项目(2017YFB0902600)
- DOI：10.7500/AEPS20190403005
  中图分类号：
- 收稿日期：2019-04-03，
  
  修回日期：2019-08-14，
  
  网络出版日期：2019-10-29，
  
  纸质出版日期：2020-03-25
- 稿件说明：
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谢季平,张文,杨浩.特高压直流分层接入下交直流系统中长期电压稳定协调控制[J].电力系统自动化,2020,44(06):37-44.

XIE Jiping,ZHANG Wen,YANG Hao.Coordinated Control for Medium- and Long-term Voltage Stability of AC/DC Power Systems with Hierarchical Connection Mode of UHVDC System[J].Automation of Electric Power Systems,2020,44(06):37-44.
谢季平,张文,杨浩.特高压直流分层接入下交直流系统中长期电压稳定协调控制[J].电力系统自动化,2020,44(06):37-44. DOI： 10.7500/AEPS20190403005.

XIE Jiping,ZHANG Wen,YANG Hao.Coordinated Control for Medium- and Long-term Voltage Stability of AC/DC Power Systems with Hierarchical Connection Mode of UHVDC System[J].Automation of Electric Power Systems,2020,44(06):37-44. DOI： 10.7500/AEPS20190403005.

摘要

与传统特高压直流单层接入方式相比

分层接入方式从电网结构上改善了交流系统对多馈入直流系统的接纳能力和电压支撑能力

在潮流分布与控制上更加灵活、合理。为了充分利用分层接入直流系统快速功率调节能力

避免或减少中长期电压失稳过程中切负荷造成的经济损失

文中提出一种特高压直流分层接入下的交直流系统中长期电压稳定协调控制方法。首先

基于直流分层接入系统准稳态模型

推导了不同直流控制方式下换流母线电压对分层接入直流逆变器传输功率的灵敏度解析表达式

并建立交直流系统电压轨迹预测模型。综合考虑直流电流和高、低端逆变器熄弧角的调制

基于预测轨迹构建协调电压控制的滚动优化模型

对直流分层注入功率和交流系统各电压控制手段进行协调控制。对山东电网规划系统的仿真分析表明

所提方法能够有效协调直流传输功率在交流电网中的分配

提高了系统电压稳定性并减少了切负荷损失。

Abstract

Compared with the conventional single-layer connection mode of ultra-high voltage direct current (UHVDC) system

the hierarchical connection mode improves the ability of AC system in acceptance and provides voltage support for multi-infeed UHVDC systems from the aspect of grid structure

and it makes power flow distribution and control more flexible and reasonable. In order to make full use of the fast power adjustment capability of UHVDC systems in the hierarchical connection mode

and avoid or reduce the economic loss caused by the load shedding during the medium- and long-term voltage instability process

this paper proposes a coordinated control method for AC/DC power systems with hierarchical connection mode of UHVDC systems. Firstly

based on the quasi-steady model of UHVDC system in the hierarchical connection mode

this paper deduces the analytical expressions of the sensitivities of converter bus voltages with different control modes of UHVDC systems to the inverter transmission power of UHVDC systems in hierarchical connection mode. Secondly

the voltage trajectory prediction model of AC/DC power systems is established based on the derived sensitivities. Finally

considering modulations of the DC current and the extinguishing angles of high and low ends of the inverter

a receding horizon optimization model of coordinated voltage control is constructed based on the predicted trajectory. The hierarchical DC injection power and the voltage control means of AC system are coordinately controlled. The simulation analysis of the planning system of Shandong power grid shows that the proposed method can effectively coordinate the distribution of DC transmission power in AC power grid

which enhances the system voltage stability and reduces the load shedding loss.

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references

徐政 . 交直流电力系统动态行为分析 [M]. 北京 : 机械工业出版社 , 2004 .

XU Zheng . Dynamic behavior analysis of AC/DC power systems [M]. Beijing : China Machine Press , 2004 .

浙江大学发电教研组直流输电科研组 . 直流输电 [M]. 北京 : 电力工业出版社 , 1982 .

DC Transmission Research Section of Power Generation Teaching and Research Group in Zhejiang University . Direct current transmission [M]. Beijing : China Electric Power Press , 1982 .

DENIS L A , ANDERSSON G . Power stability analysis of multi-infeed HVDC systems [J]. IEEE Transactions on Power Delivery , 1998 , 13 ( 3 ): 923 - 931 .

刘振亚 , 秦晓辉 , 赵良 , 等 . 特高压直流分层接入方式在多馈入直流电网的应用研究 [J]. 中国电机工程学报 , 2013 , 33 ( 10 ): 1 - 7 .

LIU Zhenya , QIN Xiaohui , ZHAO Liang , et al . Study on the application of UHVDC hierarchical connection mode to multi-infeed HVDC system [J]. Proceedings of the CSEE , 2013 , 33 ( 10 ): 1 - 7 .

汤奕 , 陈斌 , 皮景创 , 等 . 特高压直流分层接入方式下受端交流系统接纳能力分析 [J]. 中国电机工程学报 , 2016 , 36 ( 7 ): 1790 - 1800 .

TANG Yi , CHEN Bin , PI Jingchuang , et al . Analysis on ability of receiving AC system for UHVDC hierarchical connection to AC grid [J]. Proceedings of the CSEE , 2016 , 36 ( 7 ): 1790 - 1800 .

汤奕 , 陈斌 , 王琦 , 等 . 特高压直流分层接入下混联系统无功电压耦合特性分析 [J]. 电网技术 , 2016 , 40 ( 4 ): 1005 - 1011 .

TANG Yi , CHEN Bin , WANG Qi , et al . Analysis on reactive power and voltage coupling characteristics of hybrid system for UHVDC hierarchical connection to AC grid [J]. Power System Technology , 2016 , 40 ( 4 ): 1005 - 1011 .

付蓉 , 周振凯 , 汤奕 , 等 . 特高压直流分层接入方式下换流母线电压的稳定性 [J]. 高电压技术 , 2017 , 43 ( 12 ): 4103 - 4111 .

FU Rong , ZHOU Zhenkai , TANG Yi , et al . Voltage stability of converter buses of UHVDC hierarchical connection to AC grid [J]. Power System Technology , 2017 , 43 ( 12 ): 4103 - 4111 .

李少华 , 王秀丽 , 张望 , 等 . 特高压直流分层接入交流电网方式下直流控制系统设计 [J]. 中国电机工程学报 , 2015 , 35 ( 10 ): 2409 - 2416 .

LI Shaohua , WANG Xiuli , ZHANG Wang , et al . Control system design for UHVDC hierarchical connection to AC grid [J]. Proceedings of the CSEE , 2015 , 35 ( 10 ): 2409 - 2416 .

卢东斌 , 王永平 , 王振曦 , 等 . 分层接入方式的特高压直流输电逆变侧最大触发延迟角控制 [J]. 中国电机工程学报 , 2016 , 36 ( 7 ): 1808 - 1816 .

LU Dongbin , WANG Yongping , WANG Zhenxi , et al . Inverter maximum alpha control in UHVDC transmission with hierarchical connection mode [J]. Proceedings of the CSEE , 2016 , 36 ( 7 ): 1808 - 1816 .

郭龙 , 刘崇茹 , 贠飞龙 , 等 . ±1 100 kV直流系统分层接入方式下的功率协调控制 [J]. 电力系统自动化 , 2015 , 39 ( 11 ): 24 - 30 .

GUO Long , LIU Chongru , YUAN Feilong , et al . Power coordination control of ±1 100 kV UHVDC system with hierarchical connection mode [J]. Automation of Electric Power Systems , 2015 , 39 ( 11 ): 24 - 30 .

王永平 , 卢东斌 , 王振曦 , 等 . 适用于分层接入的特高压直流输电控制策略 [J]. 电力系统自动化 , 2016 , 40 ( 21 ): 59 - 65 .

WANG Yongping , LU Dongbin , WANG Zhenxi , et al . Control strategies for UHVDC with hierarchical connection mode [J]. Automation of Electric Power Systems , 2016 , 40 ( 21 ): 59 - 65 .

VAN CUSTEM T , VOURNAS C . Voltage stability of electric power systems [M]. Netherlands : Kluwer Academic Pubilshers , 1998 .

KUNDUR P , BALU N J , LAUBY M G . Power system stability and control [M]. New York , USA: McGraw-Hill , 1994 .

汤涌 . 电力系统电压稳定性分析 [M]. 北京 : 科学出版社 , 2011 .

TANG Yong . Voltage stability analysis of power systems [M]. Beijing : Science Press , 2011 .

DENIS L A , ANDERSSON G . Use of participation factors in modal voltage stability analysis of multi-infeed HVDC systems [J]. IEEE Transactions on Power Delivery , 1998 , 13 ( 1 ): 203 - 211 .

王云鹏 , 韩学山 , 孙东磊 , 等 . 考虑直流输电控制方式的受端电网电压稳定性机理分析 [J]. 电力系统自动化 , 2016 , 40 ( 6 ): 35 - 41 .

WANG Yunpeng , HAN Xueshan , SUN Donglei , et al . Analysis on voltage stability of receiving grid considering control strategy of DC transmission line [J]. Automation of Electric Power Systems , 2016 , 40 ( 6 ): 35 - 41 .

GENG Sijia , HISKENS I A . Second-order trajectory sensitivity analysis of hybrid systems [J]. IEEE Transactions on Circuits and Systems , 2019 , 66 ( 5 ): 1922 - 1934 .

徐泰山 , 鲍颜红 , 薛禹胜 , 等 . 中期电压稳定的快速仿真算法研究 [J]. 电力系统自动化 , 2000 , 24 ( 24 ): 9 - 11 .

XU Taishan , BAO Yanhong , XUE Yusheng , et al . A fast simulation method for mid-term voltage stability [J]. Automation of Electric Power Systems , 2000 , 24 ( 24 ): 9 - 11 .

丁宝苍 . 预测控制的理论与方法 [M]. 北京 : 机械工业出版社 , 2008 .

DING Baocang . Theory and method of predictive control [M]. Beijing : China Machine Press , 2008 .

方斯顿 , 程浩忠 , 徐国栋 , 等 . 基于曲面二次标准型逼近的最近电压稳定临界点求取方法 [J]. 电力系统自动化 , 2016 , 40 ( 2 ): 69 - 76 .

FANG Sidun , CHENG Haozhong , XU Guodong , et al . Solving of closest critical point on voltage stability limit surface based on second-order standard approximation of limit surface [J]. Automation of Electric Power Systems , 2016 , 40 ( 2 ): 69 - 76 .

KARLSSON D , HILL D J . Modeling and identification of nonlinear dynamic loads in power-systems [J]. IEEE Transactions on Power Systems , 1994 , 9 ( 1 ): 157 - 163 .

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