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标题：基于六相电机的集成充电器电流不平衡控制 |
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作者：刘陵顺，葛宝川，胡光 |
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| 2018年第1期 访问次数：327次 |
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摘要：为了消除基于双Y移30°永磁同步电机的单相集成充电器中电机电流不平衡的影响，首先对电机电流进行解耦变换，分别得到参与机电能量变换子空间的电流、谐波子空间的电流以及零序子空间的电流。通过控制器使参与机电能量变换子空间的电流和谐波子空间的电流为0，实现电机在充电中保持静止不转和控制电流谐波的目的。并对零序电流进行基于单相旋转变换的解耦控制，得到电流的有功和无功分量，控制电流无功分量为0，使充电过程高功率因数运行。仿真结果表明该控制策略能够系统要求，验证了该控制策略的有效性。
关键词：电流不平衡；解耦；高功率因数
Abstract: To eliminate the influence of machine current in singlephase integrated battery chargers, machine current was decoupled and gained the current that participate in electromechanical energy transformation, the harmonic current and zerosequence current. To make machine stay at standstill and reduce harmonics of current, the current that participate in electromechanical energy transformation and harmonic current is kept to zero by controller. To obtain active component and passive component, the zerosequence current is decoupled. The passive component is controlled to zero to make charger work in high power factor. The simulation results show that control strategy can satisfy the system requirement, which verified the validity of the proposed control strategy.
Key words: current imbalance; decouple; high power factor |
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