المؤلفون: 李兆平, 张红娟, 靳宝全, 高妍, 黄飞, 王雨星

المصدر: Gong-kuang zidonghua, Vol 44, Iss 11, Pp 91-95 (2018)

مصطلحات موضوعية: 针对矿用高压变频器采用载波调制pwm控制法时存在开关损耗大、电能质量畸变的问题，在载波同相层叠pwm控制法的基础上，对正弦调制波进行优化。通过对正弦调制波叠加3次谐波和直流分量，得到正半周为马鞍形调制波、负半周为梯形调制波的优化调制波。仿真结果表明，优化调制波的应用提高了变频器直流电压利用率，减小了开关损耗，降低了输出线电压总谐波畸变率。, Mining engineering. Metallurgy, TN1-997

Relation: https://doaj.org/toc/1671-251X; https://doaj.org/article/c255af014f0242e8be6a9017e87b6837

الاتاحة: https://doi.org/10.13272/j.issn.1671—251x.2018050033
https://doaj.org/article/c255af014f0242e8be6a9017e87b6837

المؤلفون: 郑征, 闫飞, 邹瑾

المصدر: Gong-kuang zidonghua, Vol 40, Iss 1, Pp 75-79 (2014)

مصطلحات موضوعية: 级联h桥逆变器, 零序分量, 载波移相, 直流电压利用率, 谐波含量, Mining engineering. Metallurgy, TN1-997

Relation: https://doaj.org/toc/1671-251X; https://doaj.org/article/f4709695121b41a38418566cdbf1f3f1

الاتاحة: https://doi.org/10.13272/j.issn.1671-251x.2014.01.020
https://doaj.org/article/f4709695121b41a38418566cdbf1f3f1