IC697ALG234
IC697ALG234
IC697ALG234
功率单元采用三相交流输入，整流滤波后形成直流电压，经IGBT H桥逆变后输出脉宽调制（PWM）电压。功率单元控制板由IGBT驱动电路和监测保护电路、光纤通信电路、单元旁路电路和控制电源组成。运行中功率单元故障时，变频器可将故障单元自动旁路并继续运行，等到情况允许时再停机排除故障。
汇川公司HD71采用功率单元级联式技术路线，矢量控制高压变频器，控制核心采用DSP+ARM+FPGA组成，指令在纳秒级完成，因此控制波形和逆变波形可以实时校验。具有国际的技术！
公司所有高压产品均进行满载72小时测试，除一些保护功能外，磁链闭环矢量控制技术、高频技术、快速叠频技术、Syn-transfer技术、非对称旁路技术、双路控制电源等功能，这些功能技术上处于国际水平。
IC697ALG234
厦门光沃自动化设备有限公司
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