电网技术Issue(3)：583-588,6.DOI:10.13335/j.1000-3673.pst.2014.03.006
应用于VSC-HVDC输电的谐波抑制控制器
A Kind of Harmonic Suppression Controller Used in VSC-HVDC Transmission System
摘要
Abstract
When operating condition of voltage source converter (VSC) based HVDC power transmission system changes, the inductance parameter of inverter reactor changes correspondingly, it leads to decoupling of inner current-loop, which contains inductance parameter, in the dual closed-loop decoupling controller inaccurate or disabled. For this reason, a kind of decoupling controller without inductance parameter in d-q synchronous rotating coordinate is proposed. In allusion to the higher content of low orders of harmonics such as 5-, 7-, 11-and 13-order harmonics in AC systems connected to the inverter side of VSC-HVDC transmission system, a controller, in which the proportion integration (PI) control is cascade connected with quasi-proportional resonance (PR) control, is proposed. Simulation results of example show that using the proposed decoupling control strategy the active power and reactive power can be fast regulated independently, and the harmonics can be effectively suppressed and the power quality of grid-connected VSC-HVDC can be improved.关键词
电压源型换流器/谐波/电感参数/级联控制/电能质量Key words
VSC/harmonics/inductance parameter/cascaded control/power quality分类
信息技术与安全科学引用本文复制引用
胡永银,李兴源,周洪宇,李宽,辜超..应用于VSC-HVDC输电的谐波抑制控制器[J].电网技术,2014,(3):583-588,6.基金项目
国家自然科学基金重点项目(51037003)。@@@@Project Supported by National Natural Science Foundation of China (51037003) （51037003）
