Author: admin
谐波分析仪常见之于通用PWM变频器调速装置,其前端为三相桥式整流带大电容滤波,其谐波电流相对值如表3[1]。
很明显的可以看出,变频装置接入电网点和短路功率大,即系统阻抗愈小,谐波电流愈大,限制谐波电流的首选实用办法就是在变频交流侧串入一个交流电抗器.
对本问题,谐波分析仪文献[2]内信息很少,笔者曾有一文献[3],欲知详情,也可以参考.
Tags: 谐波分析仪
This entry was posted on 星期四, 四月 8th, 2010 at 下午 2:55 and is filed under 电能质量分析仪. You can follow any responses to this entry through the RSS 2.0 feed. Responses are currently closed, but you can trackback from your own site.
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