| 分级交-交变频高转矩软启动器原理和仿真 |
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| 引用本文： | 胡红明,毛承雄,陆继明,袁佑新. 分级交-交变频高转矩软启动器原理和仿真[J]. 电气传动, 2009, 39(2) |
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| 作者姓名： | 胡红明 毛承雄 陆继明 袁佑新 |
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| 作者单位： | 1. 华中科技大学,电气与电子工程学院湖北省电力安全与高效重点实验室,湖北,武汉,430074
2. 武汉理工大学,自动化学院,湖北,武汉,430070 |
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| 摘 要： | 介绍了一种采用分级交-交变频方法,针对交流电机的稳态数学模型,主电路采用晶闸管三相交流调压电路改变电源频率,得到适当电压矢量,使电机在启动过程中获得最大转矩,并采用对称分量法进行理论分析和用Matlab仿真对理论分析结果进行验证,理论分析结果和仿真结果高度统一,证明方案有效性和可行性.
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| 关 键 词： | 交-交变频 对称分量法 软启动 分级变频 |
Discrete Frequency Principle and Simulation of High Torque Soft Startor |
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| HU Hong-ming,MAO Cheng-xiong,LU ji-ming,YUAN You-xin. Discrete Frequency Principle and Simulation of High Torque Soft Startor[J]. Electric Drive, 2009, 39(2) |
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| Authors: | HU Hong-ming MAO Cheng-xiong LU ji-ming YUAN You-xin |
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| Affiliation: | 1.Hubei Electric Power Security and High Efficiency Key Lab;Department of Electrical & Electric;Huazhong University of Science and Technology;Wuhan 430074;Hubei;China;2.School of Automation;Wuhan University of Technology;Wuhan 430070;China |
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| Abstract: | A discrete AC/AC variable frequency theory was introduced to get a variable frequency voltage to start a AC motor to get a bigger torque in the starting process based on the AC motor steady modle,and the main circuit uses the former thristor three phase AC conditioning voltage circuit.It made the theory analysis about the symmetry component theory,and made use of Matlab to set up a corresponding modle to get a result.The theory result is the same as the Matlab result.It is proved affect and feasible. |
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| Keywords: | AC/AC variable frequency symmetry component method soft start discrete variable frequency |
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