There is a generator with load after its voltage and frequency are stable, the controller DSE704, but the current instability, DSE704 wholesale, the problem is where? A: The problem is that customers load unstable, the generator quality is absolutely no problem. A generator frequency instability, the main problems lie? A: The main problem is that the generator speed instability. How to identify fake and shoddy domestic diesel? A: First check whether the factory certification and product certification, DSE704 special, they are diesel engine factory "identification", DSE704, is a must have. Then check the certificate on the three number 1) plate number; 2) the serial number (the kind usually in the flywheel mechanical cutting off the plane, convex body font); 3) the pump nameplate number. Check this actual number three on the number of diesel engine, must be accurate. If there are doubts can verify these three numbered newspaper factory. Controller DSE704, deep sea (certified), DSE704 provided by the Dongguan City, South City Zhongxin Electrical and Mechanical operation. Dongguan Nancheng Zhongxin Electrical and operating (zhongxin888.net.cn) Dongguan, Guangdong, industrial products leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Zhongxin Electrical and Mechanical leadership with the staff warmly welcome all inquiries negotiations to create a better future for electromechanical faithful.