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经过较长时间对张小楼井6 kV供电系统谐波的测量与研究,查清了其谐波特征和产生的根源,在分析了国内外各类谐波治理技术和应用现状的基础上,研发出有源滤波动态无功补偿和无源滤波技术相结合的实时谐波滤除和动态无功自动补偿装置,该装置能够根据电网谐波实际含有量和系统功率因数水平,实现谐波自动跟踪滤波和动态无功补偿。
After a long time measuring and studying the harmonic of 6kV power supply system in Zhang Xiaolu well, the harmonic characteristics and the origin of the harmonic were found out. Based on the analysis of various domestic and international harmonic control technologies and application status quo, Real-time harmonic filtering and dynamic reactive power automatic compensation device combining active power filter dynamic reactive power compensation and passive filter technology are developed. According to actual content of harmonic power and system power factor level, this device can realize harmonic automatic Tracking filtering and dynamic reactive power compensation.