基于PSCAD的电力系统电压调节器仿真分析

doi:10.11930/j.issn.1004-9649.201809061

中国电力 ›› 2019, Vol. 52 ›› Issue (3): 81-86,139.DOI: 10.11930/j.issn.1004-9649.201809061

基于PSCAD的电力系统电压调节器仿真分析

陈新琪^1,2, 秦刚华^1,2, 杨敏^1,2, 赵力航^1,2, 陈蓉³, 谢葛尚³

1. 浙江省火力发电高效节能与污染物控制技术研究重点实验室, 浙江杭州 311121;
2. 浙江浙能技术研究院有限公司, 浙江杭州 311121;
3. 浙江浙能温州发电有限公司, 浙江温州 325602

收稿日期:2018-09-18 修回日期:2018-12-25 出版日期:2019-03-05 发布日期:2019-03-27
作者简介:陈新琪(1964-),男,硕士,高级工程师(教授级),从事发电机励磁控制及电力系统分析,E-mail:13588713639@139.com;秦刚华(1963-),男,硕士,高级工程师(教授级),从事科技管理和新技术研发工作,E-mail:qingh@zepcc.com

Simulation Analysis of Power System Voltage Regulator Based on PSCAD

CHEN Xinqi^1,2, QIN Ganghua^1,2, YANG Min^1,2, ZHAO Lihang^1,2, CHEN Rong³, XIE Geshang³

1. Zhejiang Provincial Key Laboratory of Energy Conservation & Pollutant Control Technology for Thermal Power, Hangzhou 311121, China;
2. Zhejiang Energy Research Institute Co. Ltd., Hangzhou 311121, China;
3. Zhejiang Energy Wenzhou Power Generation Co. Ltd., Wenzhou 325602, China

Received:2018-09-18 Revised:2018-12-25 Online:2019-03-05 Published:2019-03-27

摘要/Abstract

摘要： 发电厂高压母线电压稳定性对大电网电压稳定性至关重要。加装电力系统电压调节器（power system voltage regulator， PSVR），可以提高发电机有效的动态无功储备容量，达到提高发电厂高压母线电压稳定的目的。首先基于PSVR数学模型，分析其负调差作用；而后以某电厂PSVR实际应用示范工程为背景，搭建出基于电力系统计算机辅助设计软件（power systems computer aided design， PSCAD）的PSVR研究系统详细仿真模型，模拟电网事故、冲击负荷、无功电压波动等各类扰动，考核并验证PSVR在提高机组对电力系统无功支撑等方面的作用。仿真结果表明：PSVR能充分利用发电机潜在无功容量，提高发电机无功响应速度，使暂态电压恢复更快，提高了机组对发电厂高压母线电压稳定支撑力度。

关键词: 电力系统电压调节器（PSVR）, 电磁暂态仿真, 电压稳定, 动态无功支撑

Abstract: The high-voltage bus stability of power plants is critical to the stability of the power system. Attaching a power system voltage regulator (PSVR) to the control system can improve the effective dynamic reactive reserve capacity of the generators, and improve the stability of the high-voltage bus of the power plants. Based on the control principle and mathematical model of PSVR, this paper analyzes the current compensation effect of PSVR to compensate for a portion of the transformer impedance. Based on an actual application demonstration project of PSVR, a detailed simulation model of the PSVR research system is built based on the power systems computer aided design (PSCAD) to simulate various disturbances such as power grid accident, impact load, and reactive voltage fluctuation, and the role of PSVR in improving reactive power support of power system is examined and verified. The simulation results show that the PSVR can make full use of the potential reactive capacity of the generators, improve the reactive response speed of the generators, restore the transient voltage faster, and improve the supporting function to the high bus voltage stability of the power plant.

Key words: power system voltage regulator (PSVR), electromagnetic transient simulation, voltage stability, dynamic reactive support

中图分类号:

TM712

陈新琪, 秦刚华, 杨敏, 赵力航, 陈蓉, 谢葛尚. 基于PSCAD的电力系统电压调节器仿真分析[J]. 中国电力, 2019, 52(3): 81-86,139.

CHEN Xinqi, QIN Ganghua, YANG Min, ZHAO Lihang, CHEN Rong, XIE Geshang. Simulation Analysis of Power System Voltage Regulator Based on PSCAD[J]. Electric Power, 2019, 52(3): 81-86,139.

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https://www.electricpower.com.cn/CN/Y2019/V52/I3/81

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基于PSCAD的电力系统电压调节器仿真分析

Simulation Analysis of Power System Voltage Regulator Based on PSCAD

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基于PSCAD的电力系统电压调节器仿真分析

Simulation Analysis of Power System Voltage Regulator Based on PSCAD

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