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Application of Senlan Inverters for 1250mm ContinuousStainless Strip Annealing and Pickling

REN Guang-fa, DU Jun-ming£¬LUO Li

(Hope Senlan Science and Technology HoldingCorp.,Ltd., 610207 Chengdu Sichuan)

Abstract£ºIn the continuous stainless strip annealingpickling process, the speed and tension control, determines the quality of theproducts. It becomes an inevitable requirement that the system is stable,reliable operation to satisfy the user¡¯s demands for high-quality and highefficiency. Therefore, with high performance, high reliability, the keycomponent - inverter, will be an important guarantee for high-quality stainlessstrip products. Senlan inverters with its more than 20 years of technicalaccumulation, a breakthrough in the field, have been successfully applied to1250mm stainless strip production line, create a domestic inverter in theapplication of complex engineering control system precedent, and demonstrate insteadof imported in the continuous metallurgy.

Keywords£ºPickling; Inverter; VectorControl; Torque Control; Master-Slave Control

1¡¢ËáÏ´¹¤ÒÕÀú³Ì¼ò½é

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ͼ1 Ò»Á¬ËáÏ´¹¤ÒÕʾÒâͼ

Fig.1 Constitution ofcontinuous strip annealing and pickling process

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ͼ2 ¿ØÖÆϵͳ×éÍøʾÒâͼ

Fig.2 Network connection ofcontrol system

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Tab.1 Process data between PLC and inverter

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Fig.3 Selection of the torqueor speed control

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