额定频率为基波频率偶数倍的谐波分量，称为偶次谐波。谐波产生的原因是由于正弦电压加压于非线性负载，基波电流发生畸变产生谐波。主要非线性负载有UPS、开关电源、整流器、变频器、逆变器等。
电网中产生谐波电压的电气设备 奇次谐波(odd harmonics):谐波次数为奇次(n=2k±1 k为任意正整数)的谐波 偶次谐波(even harmonics):谐波次数偶次(n=2k k为任意正整数)的谐波 波峰系数CF(crest factor):为表征波形畸变对绝缘等问题影响,引入波峰系数,定义为..
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... even order harmonic 偶次谐波 even zonal harmonic 偶阶带谐函数 even harmonic operation 偶次谐波工作 ...
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... harmonic order number 谐波阶数 order harmonic 偶次谐波 high order harmonic component 高次谐波 ...
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在平衡电路中，节点处奇次谐波流过差分路径。偶次谐波流过共模路径。
In any balanced circuit, odd harmonics circulate in a differential path, while even harmonics flow in a common-mode path.
该算法对于只含奇次谐波分量的一类半波对称波形，省去了偶次谐波分量的计算。
The half-wave symmetric FFT algorithm can omit the even harmonics in its calculation, according to only have odd harmonics in the half-wave symmetric signals.
结果表明，纹波可以分为由电路非对称性产生的奇次谐波和电容器充放电产生的偶次谐波。
The results showed that the odd harmonics of the ripple was due to the circuit asymmetry and the even harmonics due to the charge-discharge process of capacitors.
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