EN交流滤波器避雷器电气特性分析中不同仿真模型的影响
Influence of Different Simulation Models for Electrical Characteristic Analysis of the Arrester of AC Filter
- 中国电力 2021年54卷第7期 页码：141-148
- 作者机构：
1.南方电网超高压输电公司广州局，广东 广州 510663
2.华南理工大学，广东 广州 510640
- 作者简介：
[ "黄学民(1981—)，男，工程师，从事高压试验方面研究，E-mail：47581222@qq.com" ]
[ "邓俊文(1997—)，男，通信作者，硕士研究生，从事直流输电与高电压技术研究，E-mail：490188361@qq.com" ]
- 基金信息：特高压工程技术(昆明、广州)国家工程实验室开放基金(基于流体动力学的绝缘子闪络机理及数值仿真研究，NEL201704)
DOI：10.11930/j.issn.1004-9649.202006322
中图分类号：收稿：2020-07-08，
修回：2020-08-04，
纸质出版：2021-07-05
- 稿件说明：
移动端阅览
黄学民, 邓俊文, 邓京, 等. 交流滤波器避雷器电气特性分析中不同仿真模型的影响[J]. 中国电力, 2021,54(7):141-148.
Xuemin HUANG, Junwen DENG, Jing DENG, et al. Influence of Different Simulation Models for Electrical Characteristic Analysis of the Arrester of AC Filter[J]. Electric power, 2021, 54(7): 141-148.
黄学民, 邓俊文, 邓京, 等. 交流滤波器避雷器电气特性分析中不同仿真模型的影响[J]. 中国电力, 2021,54(7):141-148. DOI： 10.11930/j.issn.1004-9649.202006322.
Xuemin HUANG, Junwen DENG, Jing DENG, et al. Influence of Different Simulation Models for Electrical Characteristic Analysis of the Arrester of AC Filter[J]. Electric power, 2021, 54(7): 141-148. DOI： 10.11930/j.issn.1004-9649.202006322.
摘要
交流滤波器是直流输电系统的重要设备。主要分析仿真模型对交流滤波器用避雷器电气特性（过电压、电流和吸收能量）的影响，基于PSCAD电磁仿真程序，开展滤波器投入和交流滤波器母线接地故障下的建模及仿真计算。仿真结果表明：在交流滤波器投入工况下，采用单个滤波器大组模型（模型1）进行仿真时，在运滤波器的避雷器不动作，与实际情况不符；在滤波器投入及滤波器母线接地故障下，完整参数模型（模型3）中各组滤波器用避雷器过电压比原系统模型（模型2）和模型1降低可达21%，电流降低可达53%，但吸收能量升高可达56%。因此，若在绝缘设计中不采用完整参数模型，避雷器电压电流设计值会偏大，能量设计值会偏小，同时会在滤波器投入工况下忽略同大组其他交流滤波器的避雷器动作情况。
Abstract
AC filter is an important equipment in DC transmission system. This paper mainly analyzes the influence of simulation model on the electrical characteristics (overvoltage
current and absorbed energy) of the arresters for AC filter
and carries out the modeling and simulation calculation for the filter input and AC filter bus grounding fault based on PSCAD electromagnetic simulation program. The simulation result shows that when the AC filter is put into operation and the traditional large group model for a single filter (model 1) was used for simulation
the arresters of the working filters did not act
which is different from the actual situation; under the filter input and filter bus grounding fault
the overvoltage of the arrester of each group of filters in complete parameter model (model 3) was lowered by 21% compared to that in the original system model (model 2) and model 1
and the current was reduced by up to 53%
but the absorbed energy increased by up to 56%. Therefore
if the complete parameter model is not used in the insulation design
the voltage and current design value of the arrester could be too large while the energy design value could be too small. At the same time
the action of the arresters of other AC filters in the same group could be easily ignored when the filter is put into operation.
关键词
Keywords
references
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