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首页> 外文会议>IEEE International Electric Machines and Drives Conference;IEMDC '09 >Influence of circuit parameters on operating regions of PWM rectifier under unbalanced voltage supply
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Influence of circuit parameters on operating regions of PWM rectifier under unbalanced voltage supply

机译：电路参数对电压不平衡情况下PWM整流器工作区域的影响

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摘要

Electric drives may be negatively affected by non-standard conditions in the power network such as voltage unbalance, which may arise in three-phase power networks. The unbalance can be caused by a failure in the network or by unbalanced load in the vicinity of the affected drive. Unsymmetrical voltages at the input of a voltage source inverter cause pulsations in the DC-link voltage when not properly taken care of. This may result in reduced power capabilities of the drive. The paper deals with the methods to address this problem and with the limitations placed on the drive when operated from the unbalanced voltage supply. Influence of circuit parameters on the operating regions and their constraints are particularly dealt with.
机译：电力驱动可能会受到电网中非标准条件（例如，电压不平衡）的不利影响，这可能会在三相电网中出现。网络中的故障或受影响的驱动器附近的负载不平衡可能导致不平衡。如果未适当注意，电压源逆变器输入端的不对称电压会导致直流母线电压产生脉动。这可能会导致驱动器的电源能力降低。本文介绍了解决此问题的方法，以及使用不平衡电源供电时对驱动器的限制。特别要处理电路参数对工作区域及其约束的影响。

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