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

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 advan...

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Bibliographic Details
Published in:	IEEE transactions on industrial electronics (1982) Vol. 63; no. 2; pp. 1179 - 1190
Main Authors:	Dagbagi, Mohamed, Hemdani, Asma, Idkhajine, Lahoucine, Naouar, Mohamed Wissem, Monmasson, Eric, Slama-Belkhodja, Ilhem
Format:	Journal Article
Language:	English
Published:	New York IEEE 01-02-2016 The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Institute of Electrical and Electronics Engineers
Subjects:	Associated Discrete Circuit Complexity theory Computer simulation Controllers Embedded Real-time Simulators Engineering Sciences Fault tolerance Field Programmable Gate Array Field programmable gate arrays FPGA-based Controllers Hardware Hardware-In-the-Loop Hardware-in-the-loop simulation Indexes IP networks Mathematical model Mathematical models Power converters Rectifiers Simulation Switches hardware-in-the-loop (HIL) power converters field-programmable gate array (FPGA) Associated discrete circuit (ADC) embedded real-time (RT) simulators FPGA-based controllers
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Summary:	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 RL 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.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0278-0046 1557-9948
DOI:	10.1109/TIE.2015.2491883