Constant Flux and step-by-step Revolution Type PWM variable Frequency Power Supply

The prototype of this device passed the national expert appraisal for scientific and technological achievements organized by Chongqing Municipal Science and Technology Commission for its many advantages such as advanced technology, simple structure, high performance, complete protection, easy use and maintenance and low cost. The expert team thought the device had reached the national advanced level of technology and hoped it could be put into small-quantity production. To protect this technology, the owner has applied for and received two national patents, one for practical new technology (Patent No. ZL 94 2 30086.6) and one for invention (Patent No. ZL 94 1 13042.8). After this device was put into production, it has been reported by newspapers and magazines both at home and abroad. The owner has received several national awards for it and was once introduced by China Scientific Equipment Import and Export Co. to India for technical transfer of this patented technology.