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在低压配电网用户侧谐波治理调研的基础上,针对低压用户侧谐波模块化治理进行分析,对小容量低压有源滤波器适用方案的关键技术进行探讨。采用模块化功率单元并联设计和主从式并联数字化控制策略,并选取典型用户负载进行测试,对低次谐波滤波率达到97%,现场试点测试治理效果良好,为用户侧谐波治理推广提供可借鉴的工程经验。
Based on the investigation of user-side harmonic control in low-voltage distribution network, the low-voltage user side harmonic modularization control is analyzed, and the key technologies of the application scheme of low-voltage low-voltage active filter are discussed. Modular power unit parallel design and master-slave parallel digital control strategy, and select a typical user load for testing, the low-order harmonic filtering rate of 97%, field pilot test and control of good results for the user-side harmonic control to promote Can learn from the engineering experience.