供电线路高次谐波的抑制

The Suppression of High-order Harmonic Waves in Power Supply Lines

为保证电网和用电设备的安全可靠，本文提出了改善供电结构、增加变流装置的等效脉波数、采用多重化技术和PWM型逆变器等六项抑制谐波的措施，以把电网电压正弦波畸变率限制在规定的范围内。

Six harmonic suppression measures such as improvement of the power supper structure, increase of the rate of equivalent pulse wave for converters, adoption of a multipe circuit or a PWM type of inverted converters, etc, Which are to control the voltage sine wave distortion rate within the standard range, are discussed in this article so as to guarantee the safety and reliability of the electric network and its installations.