高性能三相并网逆变器的事件管理和控制结构

Victor E. S. Barbosa, R. A. S. Kraemer, E. Carati, J. D. da Costa, R. Cardoso, C. Stein
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引用次数: 0

摘要

本文提出了一种基于时间和事件的控制策略,保证并网逆变器的连接和运行符合IEEE 1547-2018标准。控制结构由同步算法和基于电容电流估计的主动阻尼电流控制器组成。这种结构保证了本文所提出的实时控制的高性能。此外,所提出的控制结构还包括分布式发电(DG)管理器,负责确定DG系统的运行模式:连接;有功功率限制(正常运行);无功功率限制;调度中断;断开。此外,还提供了流程图,以描述连接和断开程序以及操作方式。所提出的策略在连接到硬件在环(HIL)系统的DSP(数字信号处理器)中实现。以15kw三相并网逆变器为例进行了实时仿真,并对仿真结果进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Event Manager and Control Structure for High Performance Three-Phase Grid-tied Inverters
This paper presents a time and event based control strategy that guarantees the connection and operation of the grid-tied inverter to the IEEE 1547-2018 standard. The control structure is composed by a synchronization algorithm and current controller with active damping based on capacitor current estimation. This structure guarantees the high performance of the real time control presented in this paper. Moreover, the proposed control structure also includes the distributed generation (DG) manager, which is responsible for determining the operation mode of DG system: Connection; Active power limitation (Normal operation); Reactive power limitation; Dispatch interruption; and, Disconnection. Besides, flow charts are presented in order to describe the connection and disconnection procedures, as well the modes of operation. The proposed strategy is implemented in a DSP (Digital Signal Processor) connected to a Hardware in the Loop (HIL) system. Real time domain emulations are performed considering a 15 kW three-phase grid-tied inverter and the results are discussed.
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