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首页> 外文期刊>Industrial Electronics, IEEE Transactions on >ADC-Based Embedded Real-Time Simulator of a Power Converter Implemented in a Low-Cost FPGA: Application to a Fault-Tolerant Control of a Grid-Connected Voltage-Source Rectifier
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ADC-Based Embedded Real-Time Simulator of a Power Converter Implemented in a Low-Cost FPGA: Application to a Fault-Tolerant Control of a Grid-Connected Voltage-Source Rectifier

机译：低成本FPGA中实现的基于ADC的功率转换器嵌入式实时仿真器：在并网电压源整流器的容错控制中的应用

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This paper deals with embedded real-time (RT) simulators applied in power electronic applications and implemented in low-cost field-programmable gate arrays. Indeed, such simulators' intellectual properties (IPs) are not only intended for hardware-in-the-loop (HIL) testing but also can be advantageously embedded within digital controllers to ensure functions such as observation, estimation, diagnostic, or health monitoring. Conversely, to the HIL case, the main challenge when designing such simulators' IPs is to cope with their complexity having in mind that, in the case of embedded systems, the available hardware resources are limited due to the cost. Furthermore, this challenge is strengthened by the need of very short simulation time steps that is typically the case when simulating power converters. By this way, this paper presents the design of an embedded RT simulator of a three-phase grid-connected voltage-source rectifier, based on the associated discrete circuit modeling approach. This IP is associated with the one of a three-phase filter, and both are implemented within the rectifier controller to estimate the grid currents. The latter is injected in the controller when a fault is detected in the current sensors. The ability of this estimator to guarantee the service continuity in case of faults has been validated through HIL tests and experiments.
机译：本文介绍了应用于电力电子应用并在低成本现场可编程门阵列中实现的嵌入式实时（RT）模拟器。实际上，这种模拟器的知识产权（IP）不仅旨在用于硬件在环（HIL）测试，而且还可以有利地嵌入数字控制器中，以确保诸如观察，估计，诊断或健康监控之类的功能。相反，对于HIL情况，设计此类模拟器的IP时的主要挑战是应对它们的复杂性，同时要考虑到在嵌入式系统的情况下，可用硬件资源由于成本而受到限制。此外，由于需要非常短的仿真时间步长（在仿真功率转换器时通常会出现这种情况），从而加剧了这一挑战。通过这种方式，本文基于相关的离散电路建模方法，提出了三相并网电压源整流器的嵌入式RT仿真器的设计。该IP与三相滤波器中的一个相关联，并且都在整流器控制器中实现以估算电网电流。当在电流传感器中检测到故障时，将后者注入控制器中。该估计器在出现故障时保证服务连续性的能力已通过HIL测试和实验得到验证。

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