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级联式多电平逆变器因其具有众多的优点，在高压变频调速领域中得到广泛应用。
Cascade multilevel inverter has extensive application in the high voltage variable frequency modulated Speed System for its numerous advantages.
在指出火电厂辅机系统现有流量调节方式缺点的基础上，将高压变频调速控制相对传统调速方式的节能原理进行详细的比较分析。
This paper introduces the electric principle, technical parameter, performance characteristic and configuration form of auxiliary electrical system for HXD2 type AC driven freight electric locomotive.
多电平逆变电路具有输出谐波少、开关频率低等明显上风，非常适合应用于高压大功率的变频调速领域，具有现实的节能意义。
It has significant advantages, such as less distorted output, lower switching frequency, etc, and it has reality energy conservation significance in application of the high - voltage and high-power.
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