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一种外接式功率因数校正方案的研究及实现

DOI: 10.13190/jbupt.200704.139.huangxj, PP. 139-143

Keywords: 有源滤波算法,空间矢量控制法,锁相,功率因数

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Abstract:

提出了一种外接式三相功率因数校正方案.采用改进型有源滤波算法和高速空间矢量控制理论,在不破坏原有电网电力设备结构的基础上,实现了单位功率因数,并提高了谐波与无功电流的检测速率和逆变器开关管控制速度,减少了开关损耗.该方案在电网电压畸变的情况下,实现相位同步、谐波完全补偿.通过理论分析和实验证明了该方案是切实可行的.

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