China Shipbuilding Heavy Industry News,
Rolling steel high-power vector inverters have high requirements for high-power components and vector control functions, and have high technical and industry thresholds. The domestic market has been monopolized by foreign products such as Siemens and ABB . Although the AC rolling mill has many advantages, due to the investment cost of the AC variable frequency drive, it is not popularized in a large area, and the spare parts are expensive, the service is inconvenient, and the later operating cost is high, which limits the application of the AC drive in the rolling steel.
 In recent years, Perry Save Energy Co., has made remarkable achievements in the field of exchange of the rolling line, Siemens 6SE70 and S120 drive system are Hebei Province for the first time in the mill AC inverter system has accumulated a wealth of experience, beginning in 2010 Cooperate with Shenzhen Huichuan Co., Ltd. to develop a domestic common DC bus high-power inverter for rolling steel.
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