A Matrix Converter Ride-Through Configuration Using Input Filter Capacitors as an Energy Exchange Mechanism
A Matrix Converter Ride-Through Configuration Using Input Filter Capacitors as an Energy Exchange Mechanism
复制标题
使用输入滤波电容器作为能量交换机制的矩阵转换器穿越配置
DOI：
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发表时间：
2015
影响因子：
6.7
通讯作者：
N. Mohan
中科院分区：
文献类型：
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作者：
D. Orser;N. Mohan
提出了一种适用于矩阵变换器调速系统的新型穿越方法。输入电容器用于从电动机的旋转惯性传递能量，以在电网故障事件期间支持电动机通量。需要增加三个双向开关以将输入滤波电容器与崩溃的电网电压隔离。此外，输入开关，一个跨越矢量控制策略，和故障后重新连接逻辑示出，使跨越许多周期故障，而无需使用额外的能量存储设备。本文讨论了控制和重新连接策略，然后对系统进行了仿真并给出了实验结果。通过对电能质量评估的简短回顾，表明这些改进允许基于矩阵变换器的可调速驱动器在大多数真实的世界故障情况下运行。
A novel ride-through approach for matrix converters in adjustable speed drives is presented. The input capacitors are utilized to transfer energy from the spinning inertia of the motor to support the motor flux during grid fault events. The addition of three bidirection switches is required to isolate the input filter capacitors from the collapsed grid voltages. The addition of input switches, a ride-through vector control strategy, and post fault reconnection logic are shown to enable ride-through of many cycle faults without the use of an additional energy storage device. In this paper, the control and reconnect strategies are discussed followed by simulations of the system and the presentation of experimental results. Through a short review of power quality assessments, it is shown that these improvements allow matrix converter-based adjustable speed drives to operate in a majority of real world fault situations.