... some times motor burnt .WGQH motor soft start/ stop is high-tech national patented product .1) reduce motor start current, high ... unbalance, over heat, communication fault,2.The main circuit is equippment with component-based structure,modularized installation method, can ... dissiipation design can effectively cool the thyristor and machine7.It is of small volume, low power dissipation, high sensitivity, ...