谐波放大是由于电路中的电感与电容共同作用造成的,谐波放大可以分为谐波电流放大和谐波电压放大。 如果电容器投入以后,变压器中或者电容器中的谐波电流大于谐波源的谐波电流,那么就是谐波电流被放大。 如果电容器投入以后,电压畸变率比未投入之前增大,就是谐波电压被放大。 谐波电流放大和谐波电压放大可能同时发生,也可以单独发生,可能谐波电流被放大而电压谐波畸变率反而减小,也可能谐波电压被放大而谐波电流却减小。
电容器的谐波放大问题分析-B2B99.Com 关键词:电容器;谐波电流;谐波放大 [gap=456]Key words:capacitor;harmonic currents;amplification of harmonics
基于8个网页-相关网页
Harmonics amplified of paralleling condenser relate to ratio of condenser reactance branch and system equivalent branch. After added in series reactance, it can decrease harmonics frequency and reduce width of severe amplified area width.
并联电容器回路的谐波放大效应与电容器支路和系统等值支路电抗之比有关,电容器支路加入串联电抗器后,可以降低并联谐振的谐波次数,缩小严重放大区的宽度。
参考来源 - 并联电容器回路谐波放大及电能损耗特性的测试与分析·2,447,543篇论文数据,部分数据来源于NoteExpress
同时的实际应用中可通过适当选择滤波支路中电抗器的电抗率来减小或避免产生谐波放大。
Harmonic enlargement can be minished or avoided by properly choosing the reactance rate of reactor in the spur track of filters.
分析探讨了谐波放大原理并验证了上述结论后将其用于茅箭变电站,较好地解决了谐波放大问题。
The mechanism of harmonic amplification has been analyzed and the conclusion mentioned above has been proved and applied successfully in a substation.
针对传统的无功补偿可能存在的谐波方法的问题,提出了采用串联电抗器来防止谐波放大的设计方案。
In allusion to the conventional reactive power compensation harmonic magnified disadvantage, this paper proposes the new harmonic restrained method that the reactor is series in the main loop.
应用推荐