两电平和三电平VSC-HVDC系统在输电环节效率的分析与比较

宋唯宁; 王宇拓; 王林川; 李学良; 金媛媛

宋唯宁,王宇拓,王林川,李学良,金媛媛.两电平和三电平VSC-HVDC系统在输电环节效率的分析与比较[J].电测与仪表,2015,52(4):.
songweining,wangyutuo,wanglinchuan,lixueliang,jinyuanyuan.Analytical efficiency evaluation of two and three level VSC-HVDC transmission links[J].Electrical Measurement & Instrumentation,2015,52(4):.

两电平和三电平VSC-HVDC系统在输电环节效率的分析与比较

Analytical efficiency evaluation of two and three level VSC-HVDC transmission links

DOI：

中文关键词: 电压源换流器两电平换流器三电平换流器输电效率转换损耗

英文关键词:VSC, two-level VSC, three-level VSC, transmission efficient, conversion losses

基金项目:

作者中文名	作者英文名	单位
宋唯宁	songweining	东北电力大学
王宇拓	wangyutuo	东北电力设计院
王林川	wanglinchuan	东北电力大学
李学良	lixueliang	国网冀北香河供电有限公司
金媛媛	jinyuanyuan	浙江台州电力公司

摘要点击次数: 1783

中文摘要:

为了计算基于两电平和三电平的电压源换流器在VSC-HVDC系统里呈现的链路效率,我们使用平均根和均方根的方法来计算电压源换流器的转换电流的平方来测量换流器(传导和开关损耗)的转换损耗。剩余的功率损失(直流电缆侧由于产生的传输损耗,耦合变压器的损耗和交流侧谐波滤波器的损耗)用常规熟知的方法进行评价。得到的结果我们通过数字仿真进行分析和验证。

英文摘要:

An analytical method to calculate the efficiency of VSC-HVDC links based on two-level and three-level VSCs is presented. The method uses the average and root mean square of the VSC converter current to estimate the conversion losses in the converters (conduction and switching losses). The remaining power losses (DC cable transmission losses due to , the losses in the coupling transformer, and AC harmonic filter losses) are evaluated using conventional well-known methods. Results obtained analytically are confirmed by digital simulations.

查看全文查看/发表评论下载PDF阅读器

关闭