变频器应用的若干问题探讨

Analysis of some problems on application of frequency converter

结合实际情况讨论变频器应用中涉及的一些主要问题 ,如变频器控制方式、制动单元和制动电阻的选择、过电压的克服等 。

Some important problems about the frequency converter are discussed in terms of the practical situation,inclu_ ding the choices of brake unit and brake resistor as well as control mode,overcoming overvoltage and so on,which is useful for the appropriate applications of the frequency converter.