The ATS structure and use unit is designed with advanced control systemwhich is using a specialized program controllet. The unit will start automati-cally, when losing electric supply, lack of phase or under voltage. When a faultoccurs, the sound and light atarm will send automatically by the sending to alarming device, and the point of failure will be recorded, at the sametime it can autocmatically make the machine power off, to ensure the safety ofunit. The control panel uses VFD and soft touch switch, with feel good, cleardisplay,reliable action features. Thecontrol panel can be also designed for more than two units’automatically interconnection under the customer's reauirement, using PLC as the main controlunit, by the control software to vary the pulse width and pulse interval, theadiustment process is rapid, accurate and stesdy, the pertormance is stable and reliable.