The designing parameters of high frequency transformer and the protecting IGBT in plasma spraying inverter with high voltage and large current is analyzed in this paper.
分析了等离子喷涂逆变器在高电压大电流条件下，高频变压器参数设计和IGBT保护问题。
Cascade multilevel inverter has extensive application in the high voltage variable frequency modulated Speed System for its numerous advantages.
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。
In high voltage and high power fields, multilevel inverter has significant advantages, such as less distorted output, lower switching frequency, etc.
在高压大容量应用场合，多电平逆变电路具有显着的优势，比如输出谐波少、开关频率低等。
Adding a resonance link to the traditional PWM inflexible switching circuit, a voltage-source inverter of high frequency and no switching less was formed.
具有共振直流环节的电压型逆变器是在传统的PWM硬件开关电路上加一个共振环节，构成高频、无开关损耗电压型逆变器。
Based on comparison between the two kinds of voltage mode high-frequency link inverter, we choose unidirectional high-frequency link inverter which is easy to realize.
并通过对两种电压源高频链逆变器的比较，确定采用容易实现的单向型高频链逆变器结构。
The high frequency inverter used here can achieve zero voltage soft switching (ZVS) and wide power regulation range.
这种高频电源较好地实现了开关管的零电压（ZVS）软化，得到了较宽的调功范围。
Including: principle of the high voltage inverter, frequency control scheme of high-voltage inverter.
包括：高压变频器原理，高压变频器变频调速方案。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
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