Design of MMC Hardware-in-the-Loop Platform and Controller Test Scheme

Li, Guoqing; Xin, Yechun; Jiang, Shouqi; Wang, Weiru; Du, Jiahui

doi:10.24295/cpsstpea.2019.00014

Cited by 31 publications

(14 citation statements)

References 5 publications

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“…Of the 16 ITs presented, 12 are in the range of 1 to 200 µs. In this respect, the proposed platform presents an IT similar to those reported in the literature, being even lower than those reported in [15][16][17][18][22][23][24][25]27,34,41]. Of these studies, [17,23,24,27,34] use technologies destined for the development of HIL applications; they have their own programming environments, with functional blocks that represent the total dynamics of some elements and dedicated hardware.…”

Section: Discussionmentioning

confidence: 81%

“…In [26], an HILP to test control algorithms was presented; this research focused on an energy administration technique. Furthermore, in [27], the design of an HILP, with a 100 µs IT, of a multilevel converter that includes a control system test scheme based on the FPGA OP5607, was presented. Investigations in converters may include other aspects in addition to their electrical characteristics; for example, in [28], an electrothermal model of an interleaved boost converter was developed using an FPGA.…”

Section: Introductionmentioning

confidence: 99%

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Power Sharing Control in a Grid-Tied DC Microgrid: Controller Hardware in the Loop Validation

et al. 2021

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This article presents the development of a low-cost control hardware in the loop platform for the validation and analysis of controllers used for the management of power sharing between the main grid and a DC microgrid. The platform is made up of two parts: a main grid interconnection system emulator (MGISE) and a controller under test (CUT). The MGISE operates on a 260 V DC bus and includes a 1000 W photovoltaic array, a DC variable load and a single H full bridge converter (HFBC). The CUT includes a phase locked loop and a main cascade control structure composed of two PI controllers. Both the MGISE and the CUT were embedded on an NI myRIO-1900 development board and programmed using LabVIEW virtual instrumentation software. These devices communicate with each other using analog signals representing the AC side current, the DC side voltage, and the HFBC control signal. The MGISE operates with an integration time of 6 µs and its performance is validated by comparing it with a simulation in PSIM. The integration time of the MGISE, the development boards used, as well as its programming environment, and the results obtained from the comparison with PSIM simulation, show that the proposed platform is useful for the validation of controllers for power sharing, with a simple implementation process compared to other hardware description methods and with a low-cost platform.

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Section: Discussionmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 99%

Power Sharing Control in a Grid-Tied DC Microgrid: Controller Hardware in the Loop Validation

et al. 2021

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“…Modeling of a switch with an equivalent on-/off-resistance, combined with Dommel's capacitor model [20], allows for an SM cluster to be modeled with either Thevenin or Norton equivalent [4], [21]- [23]. Although convenient at first glance, such an approach prevents the blocked state to be modeled to the full extent.…”

Section: MMC Real-time Modeling Perspectivesmentioning

confidence: 99%

Virtual Capacitor Concept for Computationally Efficient and Flexible Real-Time MMC Model

Milovanović¹,

Luo

Dujić

2021

IEEE Access

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This paper demonstrates the splitting of the modular multilevel converter real-time simulation model into several independent parts through the use of the virtual capacitor concept. As a result, the number of state-space matrices the real-time solver needs to take into account gets significantly reduced, offering the possibility for substantial reduction of the simulation step size. Consequently, real-time simulation quality increases. The proposed concept was verified on a large-scale hardware-in-the-loop system comprising seven RT Boxes, where the model of the physical system is deployed, and ABB PEC800 industrial controller, where control algorithms of the real power hardware are deployed and executed.

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“…An experimental testing of a wind turbine emulation (WTE) system that makes use of a squirrel cage induction motor (SCIM) operating in a direct torque control mode is carried out with the help of HIL 15 . In Li et al, 16 a HIL platform based on RT‐LAB is implemented for a two‐terminal MMC system, which shows good steady‐state and dynamic performance. A power hardware‐in‐the‐loop (P‐HIL) for a medium‐voltage high‐power high‐speed synchronous motor drive is designed and tested in steady‐state and transient‐state conditions 17 .…”

Section: Introductionmentioning

confidence: 99%

An approach on nonlinear integration of MMC to linear model of ROPS in transient analysis

Shivashanker

Janaki

2023

Circuit Theory & Apps

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SummaryThe modular multilevel converter (MMC) is a novel prospective multilevel converter topology for high‐voltage or high‐power applications. This paper presents the 3‐ model integrated into a linear model in transient analysis and the design of current controller for MMC. This paper analyzes the control interactions of MMC on nearby turbine generator. The eigenvalue analysis is used to evaluate the impact of different controller modes of MMC. The impact of converter control with nonlinear switches is analyzed through the transient simulation. The eigenvalue analysis and controller design are carried out on a linear model, and the transient simulation analysis is performed on both the D‐Q model and a three‐phase model of MMC using MATLAB‐Simulink. The results show that the transient simulation of three‐phase model on the proposed approach is consistent with the transient simulation of D‐Q model. Also, the transient simulation results show a satisfactory response with the current controller parameters of the MMC at various operating cases. To validate the results of MATLAB‐Simulink model, the proposed system is implemented in hardware‐in‐the‐loop (HIL) simulation with an integrated subsystem built in two real‐time simulators. The subsystem of mathematical model is implemented in dSPACE, and the subsystem of 3‐ MMC with controller is implemented in Typhoon. The HIL simulation results show a satisfactory response and consistent with MATLAB‐Simulink model results.

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Design of MMC Hardware-in-the-Loop Platform and Controller Test Scheme

Cited by 31 publications

References 5 publications

Power Sharing Control in a Grid-Tied DC Microgrid: Controller Hardware in the Loop Validation

Power Sharing Control in a Grid-Tied DC Microgrid: Controller Hardware in the Loop Validation

Virtual Capacitor Concept for Computationally Efficient and Flexible Real-Time MMC Model

An approach on nonlinear integration of MMC to linear model of ROPS in transient analysis

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