摘要
简要介绍了三相四线制并联有源滤波器在电流滞环控制下的工作方式,详细分析了非理想条件下电路延时对电流滞环控制的影响,并以三相不控整流负载为例推导了在电路延时作用下的开关频率,在一台50kVA三相四线有源滤波器装置上进行了开关频率上下限的实验验证,证明了公式的准确性。
This paper briefly introduces the circuit work mode using current hysteresis Control in three-phase fourwire parallel active power fiher,analyzes the influence of circuit delay on the current hysteresis control in non-ideal condition in detail and derives a theory formula of the switch frequency in the non-ideal condition using three phase diode rectifier as the harmonic source.A test on 50kVA implementation has been carried out for verifying the maximum and minimum switch frequency to validate the correctness of the derived formulas.
出处
《电力电子技术》
CSCD
北大核心
2007年第1期60-63,共4页
Power Electronics
关键词
滤波器
谐波
抑制
整流/滞环控制
电路延迟
filter
harmonic
suppression
rectifying / hysteresis control
circuit delay
