| The performance test and analysis of AC motor soft starters are the keys of research,adjust,and produce.Based on the characteristic of output voltage and current nonsinusoidal signal,the parameter test and analysis system of AC motor soft starters consisting of computer,signal modulate board,data acquisition board and software developed by LabVIEW virtual instrument technology introduced.The system has the following properties: high precision,low cost,strong disturbance attenuation,high efficiency and convenience manipulate. |