小型可调气压罐设计及复合电压下穿墙套管电场仿真研究.pdf

Smart Grid
第32卷第7期
电网与清洁能源
2016年7月
Power System and Clean Energ
Jul.2016
文章编号:1674-3814(2016)07-0051-07
中图分类号:TM151+.2
文献标志码:A
小型可调气压罐设计及复合电压下
穿墙套管电场仿真研究
朱俊谕,颛孙旭2,王婵媛,卞星明,于婧,张静岚,符瑜科1
(1.高电压与电磁兼容北京市重点实验室,华北电力大学,北京102206;2.陕西省电力公司博士后科研
工作站,陕西西安710065;3.北京海鹰科技情报研究所,北京100074)
Design of Small Pressure Adjustable Tank and Researeh on Simulation of
Electric Field of Wall Bushing under Composite Voltage
ZHU Junyu, ZHUANSUN Xu, WANG Chanyuan, BLAN Xingming
YU Jing, ZHANG Jinglan, FU Yuke
(1. High Voltage and EMC Beijing Area Major Laboratory, North China Electric Power University, Beijing 102206, China;
2. Shaanxi Electric Power Company Postdoctoral Scientific Research Station, Xian 710065, Shaanxi, China; 3. 310 Department
Third Institution of China Aerospace Science Industry, Beijing 100074, China
ABSTRACT: In order to simulate the low air pressure envi-wall bushing are determined so as to ensure that the experi
ronment of the western high altitude districts, a laboratory air mental device can safely apply voltage to conduct the corona
pressure tank should be designed to explore the relationship experiment in the environment of 0.5-1.0 atm air pressure
between the corona characteristic and the environmental air KEY WORDS pressure tank; rod-plane electrode; corona;
pressure under different types of voltage, and the tank should wall bushing; composite voltage; finite element analysis
be air pressure adjustable and humidity controlled. In this paper摘要:为便于模拟西部高海拔地区低气压环境,进而探究不
the stress distribution of the air pressure tank is calculated同类型电压下电极电旱现象与环境气压的关系,需要设计
through the static field analys
The pressure个气压可调、湿度可控的实验室用小型气压罐。为了判断气
tank is equipped with two wall bushings, which are used to压罐的安全性,利用气压罐静态力场分析,计算出气压罐上的
Import20 kv DC voltage,20 kv AC voltage and20 kv AC and应力分布。气压罐设置了两个穿墙套管,可引入20kV直流电
DC composite voltage, to conduct the corona experiments.Te压、20kV交流电压及20kv交直流复合电压进行电晕实验。
finite element analysis with sub- modeling technique is adopted利用子模型法进行有限元分析,计算出不同绝缘长度、安装高
to calculate the electrostatic field distribution of the two wall
度下两个套管的电场分布,并据此设计出直流套管与交流套
bushings with different lengths of insulation or heights of
管的绝缘结构以及最佳安装位置,从而保证实验装置可在
installation position. And based on the results, the insulation
0.5-1.0atrn(1atm=101.325kPa)环境气压范围内安全地导入
structure and installation position of AC wall bushing and DC
电压进行电晕实验。
关键词:气压罐;棒一板电极;电晕;穿墙套管;复合电压;有
基金项目:国家自然科学基金面上项目(51370霍英东教限元分析
育基金会青年教师基金(151058);中央高校基本科研业务费专项资
金(2016YQO1);高等学校学科创新引智计划(“11'计划)(B08013);
我国东西部资源分布及经济发展程度的不平
国网陕西省公司科技项目(5226Y150005)
衡造就了远距离、大容量输电系统,途经海拔较高
Project Supported by National Natural Science Foundation o的西部地区。输电线路设备的电晕放电特性会受到
China (51377096); Fok Ying-tong Education Foundation for Young
线路情况与环境因素的影响叫,通常高海拔地区环
Teachers (151058); the Fundamental Research Funds for the Central
Universities( 2016@001); "11 Projectof China(B08013) Science
境大气压下降,导致交、直流输电线路以及施加了交
d Technology Program of the State Grid Shaanxi Electric Po直流复合电压的换流、整流设备电晕现象加剧P
Company(5226JY150005
国内外建立了多个模拟低气压环境的大型设
万方数据