| 采用西门子6RA70全数字直流调速器实现12相整流及励磁大电流系统 |
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| 引用本文： | 胡强. 采用西门子6RA70全数字直流调速器实现12相整流及励磁大电流系统[J]. 特钢技术, 2012, 0(1): 58-61 |
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| 作者姓名： | 胡强 |
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| 作者单位： | 攀钢集团长钢公司轧钢厂 |
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| 摘 要： | 以四辊轧机电气控制系统改造为例,介绍了采用6RA70直流调速器实现电枢回路12相整流的方法及利用6RA70内部小励磁电流控制实际大励磁电流的方法。
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| 关 键 词： | 6RA70 十二相整流 转矩换向 励磁 |
Achievement of Full 12-phase Rectifier and High Current System Excitation by Siemens 6RA70 Digital DC Drives |
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| Hu Qiang. Achievement of Full 12-phase Rectifier and High Current System Excitation by Siemens 6RA70 Digital DC Drives[J]. Special Steel Technology, 2012, 0(1): 58-61 |
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| Authors: | Hu Qiang |
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| Affiliation: | Hu Qiang (Steel Rolling Plant, Sichuan Changcheng Special Steel Co., Ltd., Pangang Group,Sichuan 621701) |
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| Abstract: | Taking transformation on electrical control system of the four roller rolling mill for instance, a method of applying 6RA70 Digital DC speed drives to realize the armature loop 12-phase rectifier circuit and a way of making use of 6RA70 internal small excitation current to control actual large excitation current were introduced in this paper. |
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| Keywords: | 6RA70 12-phase rectifier circuit Torque reversing Excitation |
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