大功率变流技术Issue(5)：50-57,8.
高压直挂式无功和谐波综合补偿器控制策略研究
Research of Control Strategy for High-voltage Suspended Type Reactive Power and Harmonic Integrative Compensator
摘要
Abstract
In order to solve the problem that reactive power and harmonic are compensated separately in high and medium voltage grid,a new high voltage suspended compensator constituted by static var generator based on H-bridge cascade and LC in parallel.The utilization and compensative range of active capability are improved by combining a low cost LC.A reactive power,individual harmonic and negative sequence detection method and controlling arithmetic based on digital band pass filter and multiple synchronous rotating coordinates are proposed,thus the real-time detection and compensative control are realized.For the questions of DC voltage balancing control of cascaded SVG,a new control technique of phase angle superposition is described.The topology structure and compensative principle are analyzed and the comprehensive compensative control and DC balancing control are also addressed.The whole control strategy is verified by simulation and experiment,and the results show that this method can achieve compositive compensation effect,DC voltage balancing and stabilization and good dynamic performance.关键词
无功功率/谐波/综合补偿/静止无功发生器/LC滤波器/直流电压均衡控制Key words
reactive power/harmonic/integrated compensation/static var generator（SVG）/LC filter/DC voltage balancing control分类
信息技术与安全科学引用本文复制引用
罗仁俊,张定华,王卫安,黄超,黄燕艳,曹洋,刘华东,唐建宇..高压直挂式无功和谐波综合补偿器控制策略研究[J].大功率变流技术,2011,(5):50-57,8.基金项目
国家科技支撑计划资助 （）
