[1]吕艳玲,张婕,高钰婷. QFQS-200 发电机进相运行稳定性分析[J].哈尔滨理工大学学报,2017,(06):39-45.[doi:10. 15938 /j. jhust. 2017. 06. 008]
 Lv Yan-ling,ZHANG Jie,GAO Yu-ting. Analysis on the Stability of Leading PhaseOperation for QFQS-200 Generator[J].哈尔滨理工大学学报,2017,(06):39-45.[doi:10. 15938 /j. jhust. 2017. 06. 008]
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 QFQS-200 发电机进相运行稳定性分析()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2017年06期
页码:
39-45
栏目:
材料科学与工程
出版日期:
2017-12-25

文章信息/Info

Title:
 Analysis on the Stability of Leading Phase
Operation for QFQS-200 Generator
文章编号:
1007- 2683( 2017) 06- 0039- 07
作者:
 吕艳玲 张婕 高钰婷
 ( 哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨150080)
Author(s):
Lv Yan-ling ZHANG Jie GAO Yu-ting
 ( School of Electrical and Electronic Engineering,Harbin University of Science and Technology,Harbin 150080,China)
关键词:
 仿真模型 试验 进相深度 稳定性分析
Keywords:
simulation modeling experiments power syetem stability
分类号:
TM 743
DOI:
10. 15938 /j. jhust. 2017. 06. 008
文献标志码:
A
摘要:
 针对同步发电机进相运行时会引起功角增大进而影响到系统稳定性的问题。首先采
用MATLAB / Simulink 建立QFQS-200-2 汽轮发电机组仿真系统模型,利用该模型依次模拟带
100%、80%、60%负载工况下进相运行状态,得出单机进相的运行特点; 接着依据实际电厂中该型
号发电机组相同工况下进相运行试验数据,将其与仿真结果对比,验证了该模型的准确性; 然后针
对发电机带60%负载的工况进行深度进相仿真,分析出进相过深会引起功角振荡系统失去稳定
性,理应避免深度进相; 最后建立多机进相系统仿真模型并进行进相运行仿真,分析得出多机进相
可避免单机进相过深,使功角在稳定范围内。
Abstract:
 In order to solve the problem that synchronous generator leading phase operation can enlarge the
power angle,which will impact system stability,firstly the type QFQS-200 large turbine generator leading phase
system simulation model is set up by MATLAB /Simulink software. Then with 100 %,80% and 60% load
conditions, the generator simulation model converts lagging to leading power factor state. And we can get the
characteristics of single generator leading phase operation. Compared with the simulation results,the data of the
same type generator unit under the same working condition,verify the accuracy of the proposed model. Afterwards,
the depth in phase simulation of the generator model with 60% load is carried out,and the results show that the
deeper generator in phase the more power angle oscillations is, the system stability will lose, too. Making sure
generator operation under the optimal phase depth is necessary. Finally,multi-generators leading phase system
simulation model is established,and the model is used to simulate the leading phase operation. It is concluded that
the multi-machine in-phase can avoid the single unit getting deep in leading phase,and have good stability.

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更新日期/Last Update: 2018-03-10