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controller hardware-in-the-loop Validation of Coordinated Voltage Control Scheme for Distribution Systems Containing Inverter-Based Distributed Generation

IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN INDUSTRIAL E...

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IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN INDUSTRIAL ELECTRONICS 2022年第2期3卷 332-341页

作者： Newaz, Alvi Ospina, Juan Faruque, Md Omar Florida State Univ FAMU FSU Coll Engn Ctr Adv Power Syst Dept Elect & Comp Engn Tallahassee FL 32306 USA

This article presents the controller hardware-in-the-loop (CHIL) validation of a novel coordinated voltage control solution for distribution systems with high penetration of distributed generation (DG). The control algorithm coordinates traditional voltage regulation devices and inverter-based DGs capable of supplying reactive power to mitigate voltage violations. Voltage sensitivity analysis and electric distances are used to identify the contributing nodes and the amount of VAR to be injected so that voltage violations can be mitigated. The proposed algorithm is validated using offline simulation and a real-time CHIL setup that considers a real-world communication scenario. In both the offline and real-time validation, a feeder model based on an actual distribution feeder with real field data is used. The results show that the proposed algorithm is successful in coordinating the available system resources to keep the system voltages within the desired limit.

关键词： controller hardware-in-the-loop coordinated voltage control distributed generation voltage regulation

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A Novel Cost-Effective controller hardware-in-the-loop (CHIL) Test for SSCB Coordination in DC Microgrid Systems

IEEE OPEN JOURNAL OF POWER ELECTRONICS

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IEEE OPEN JOURNAL OF POWER ELECTRONICS 2024年 5卷 1510-1519页

作者： Salehi Rad, Shervin Nad, Elias Muhlbaier, Michael Fishman, Oleg Chevinly, Javad Zheng, Zilong Zhao, Shuyan Lu, Fei Zhang, Hua Drexel Univ Dept Elect & Comp Engn Philadelphia PA 19104 USA Rowan Univ Dept Elect & Comp Engn Glassboro NJ 08028 USA Alencon Syst LLC Co Philadelphia PA 19040 USA ABB Inc ABB US Corp Res Ctr Cary NC 27511 USA

DC microgrid systems are increasingly utilized in power systems, and the significance of solid-state circuit breakers (SSCB) is paramount due to the absence of zero-crossing current in DC systems. However, one of the concerns in a DC microgrid is proposing and implementing a new algorithm due to safety concerns and system stability. Properly coordinating a DC microgrid is one of these challenges. Moreover, protecting the system from unpredictable transient overshoot plays a significant role in system stability and SSCB performance. Consequently, the design of a virtual test platform for monitoring the system's behavior in challenging situations holds significant importance. To address these matters, this paper presents an examination of a DC microgrid using a novel, easy-to-implement, and cost-effective controller hardware-in-the-loop (CHIL) test platform. This platform utilizes MATLAB/Simulink software as a simulator and proposes a new communication path between the simulator and real-world controllers. Additionally, a new method to control the system in overshoot situations is proposed. To demonstrate the effectiveness of the proposed CHIL platform, three short-circuit CHIL tests are performed for load#1 to load#3 at 430 A, 300 A, and 180 A fault currents, respectively. To investigate the designed algorithm protection, a complex protection experiment was conducted to evaluate the performance of the designed algorithm under multiple transient overshoot conditions in the current. The extracted CHIL results are also presented as the validation of proposed algorithm.

关键词： Matlab Microgrids Testing Software Protection hardware Circuit faults Solid state circuit breaker coordination system controller hardware-in-the-loop DC microgrids short-circuit protection transient overshoot current protection

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Solid State Power Substation DC Node Optimization and controller hardware-in-the-loop Demonstration 6

Solid State Power Substation DC Node Optimization and Contro...

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IEEE 6th International Conference on Direct Current Microgrids (ICDCM)

作者： Kim, Namwon Starke, Michael Campbell, Steven Dean, Benjamin Chinthavali, Madhu Oak Ridge Natl Lab Electrificat & Energy Infrastruct Div Oak Ridge TN 37830 USA

ISBN: (纸本)9798350363647;9798350363630

A solid state power substation (SSPS) node is a microgrid that integrates distributed energy resources and loads and injects/absorbs power to/from the SSPS distribution network. It is an essential building block of a futuristic distribution grid network. This paper presents the development and demonstration of optimization use cases of a SSPS DC node. By adopting multi-layer hierarchical control architecture and developing automatic device identification and dynamic optimization formulation algorithms, the SSPS DC node can perform plug-and-play resource integration and seamless transition of the optimized node operation under on and off grid condition without sophisticated algorithms, control mode changes, and user interactions. Four optimization use cases including economic dispatches with price signal changes, a sudden PV power drop, and a single directional meter and its associated costs with sending power back to the grid, and resiliency under a grid inverter trip condition were demonstrated through the real-time controller hardware-in-the-loop simulation.

关键词： controller hardware-in-the-loop dc node economic dispatch hierarchical controls microgrid optimization resiliency resource integration solid state power substation use case

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A Novel Cost-Effective controller hardware-in-the-loop (CHIL) Test for SSCB Coordination in DC Microgrid Systems 6

A Novel Cost-Effective Controller Hardware-in-The-Loop (CHIL...

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IEEE 6th International Conference on Direct Current Microgrids (ICDCM)

作者： SalehiRad, Shemin Nadi, Elias Chevinly, Javad Zhao, Shuyan Zheng, Zilong Lu, Fei Zhang, Hua Drexel Univ Dept Elect & Comp Engn Philadelphia PA 19104 USA Rowan Univ Dept Elect & Comp Engn Glassboro NJ 08028 USA

ISBN: (纸本)9798350363647;9798350363630

DC microgrid systems are recently utilized in power systems, and the significance of solid-state circuit breakers (SSCB) is paramount due to the absence of zero-crossing current in DC systems. Moreover, the coordination of a DC grid poses a challenge for these systems, primarily due to safety concerns. Consequently, the design of a test platform for monitoring the system's behavior in challenging situations holds significant importance. This paper presents an examination of a DC microgrid through a novel, easy to implement, and cost-effective controller hardware-in-the-loop (CHIL) test platform designed using the MATLAB/ Simulink software and Python code. To evaluate the proposed platform, three test scenarios involving short circuits in different locations are investigated. The extracted CHIL results for each scenario is presented.

关键词： Solid state circuit breaker coordination system controller hardware-in-the-loop DC microgrids

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controller hardware-in-the-loop Validation of a Modular Control Architecture for a Composite DC-DC Converter 20

Controller Hardware-in-the-Loop Validation of a Modular Cont...

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20th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL)

作者： Sankaranarayanan, Vivek Shirazi, Mariko Gao, Yucheng Ghosh, Aritra Erickson, Robert W. Maksimovic, Dragan Univ Colorado Dept Elect Comp & Energy Engn Colorado Power Elect Ctr Boulder CO 80309 USA Univ Alaska Fairbanks Alaska Ctr Energy & Power Fairbanks AK 99775 USA

ISBN: (纸本)9781728118420

This paper presents a modular control architecture for a composite dc-dc converter topology. A composite converter comprises multiple dissimilar partial-power converter modules arranged and operated to minimize stresses and improve system efficiency over a wide range of operating points. This requires transitioning to different operating modes for different operating conditions. A control strategy is required to determine the optimal mode, and to achieve smooth mode transitions and fast closed-loop system dynamic responses. A modular control architecture capable of meeting these objectives is described. In this architecture, low-level module controls are decoupled from system-level operations. The resulting hierarchical control strategy is relatively simple, and highly scalable in nature. The approach is developed and validated on a controller hardware-in-the-loop (CHIL) platform. A frequency scaling strategy is applied to allow validations of high-switching frequency converters on bandwidth-limited CHIL platforms.

关键词： composite converter modular control controller hardware-in-the-loop frequency scaling mode transitions

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Validation of advanced grid functions of battery storage systems through a controller hardware-in-the-loop setup

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ELEKTROTECHNIK UND INFORMATIONSTECHNIK 2019年第1期136卷 12-20页

作者： Jonke, Peter Anta, Adolfo Seitl, Christian Austrian Inst Technol Elect Energy Syst Giefinggasse 2 A-1210 Vienna Austria

In order to evaluate and validate new distributed energy resources (DER) by means of controller hardware-in-the-loop (c-HIL) methods, the power electronics part is modelled within a real-time system and is connected to the control panel via a customized interface. Such a setup allows advanced testing of the control system of a DER converter and its high-level grid functions (e.g. Q(U) or P(f) functions), without any safety concern, and with the possibility of testing against conditions that rarely happen in the field. This paper describes the validation of a battery storage system with advanced grid functions using a c-HIL approach. Therefore, a laboratory and field trial setup are used and validated against real measurement results, which is also presented in this paper.

关键词： distributed energy resources controller hardware-in-the-loop high-level grid functions

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controller hardware in the loop testing of microgrid secondary frequency control schemes

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ELECTRIC POWER SYSTEMS RESEARCH 2021年 190卷 106757-106757页

作者： Nigam, Siddhartha Ajala, Olaoluwapo Dominguez-Garcia, Alejandro D. Sauer, Peter W. Univ Illinois Dept Elect & Comp Engn Urbana IL 61801 USA

This paper describes a controller hardware-in-the loop (C-HIL) approach for testing centralized and distributed secondary frequency control schemes of AC microgrids operating in islanded mode. We describe the formulation of the secondary frequency control problem and the theory behind the centralized and distributed implementations of the control schemes. Then, we describe the testbed utilized for C-HIL testing activities. Finally, we provide the testing results that compare the performance (in terms of the system response time), and resilience (in terms of withstanding the failure of a control device), of both schemes.

关键词： Microgrid control Centralized control Distributed control controller hardware-in-the-loop

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controller hardware in the loop Testing of an IEC 61850 GOOSE Based Control for Seamless Transition of a Microgrid Between Island and Grid Connected Modes 56

Controller Hardware in the Loop Testing of an IEC 61850 GOOS...

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IEEE/IAS 56th Industrial and Commercial Power Systems Technical Conference

作者： Westman, Jan Hadidi, Ramtin Fox, Curtiss Leonard, Jesse Harrell, Armien Clemson Univ Dept Elect & Comp Engn Clemson SC 29634 USA

ISBN: (纸本)9781728171951

This paper demonstrates development of a controller hardware in the loop test system for validating microgrid control schemes. The investigation also proposes and analyzes the performance of an IEC 61850 Generic Object-Oriented Substation Event Protocol (GOOSE) based control strategy for managing the transition of a microgrid test model from grid-connected mode to island mode. The test model contains a single inverter-interfaced distributed generation (DG) unit. The inverter controls allow the DG to regulate its output during grid connected operation and regulate the microgrid voltage and frequency when separated from the area electric power system. The test model, inverter and plant controllers are simulated using RTDS Technologies' real-time digital simulator. Digital protection relays are used in the hardware loop to provide I/O to the simulated controllers via GOOSE messaging. The results of the investigation illustrate the benefits of IEC 61850 standard for integration of controller hardware in a microgrid control scheme as well as the suitability of GOOSE messaging for seamless transitioning between microgrid operating modes.

关键词： Distributed generation microgrid control systems islanding resynchronization controller hardware-in-the-loop real-time digital simulation IEC 61850 GOOSE

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Development of a controller hardware-in-the-loop Platform for Microgrid Distributed Control Applications 3

Development of a Controller Hardware-in-the-Loop Platform fo...

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3rd IEEE International Workshop on Electronic Power Grid (eGrid)

作者： Du, Yuhua Tu, Hao Lukic, Srdjan Lubkeman, David Dubey, Abhishek Karsai, Gabor North Carolina State Univ FREEDM Syst Ctr Raleigh NC 27695 USA Vanderbilt Univ Inst Software Integrated Syst Nashiville TN USA

ISBN: (纸本)9781538676653

Microgrids (MGs) are ideally suited for distributed control solutions. However, implementation and validation of the developed distributed control algorithms are quite challenging. In this paper we propose a controller hardware-in-the-loop (CHIC) platform for MG distributed control applications that satisfy the requirements of IEEE Std. 2030.7 for MG control systems. We describe two main features of the proposed platform: 1) a software platform that enables the implementation of control algorithms that have been developed analytically and 2) a real-time MG lestbed that replicates practical MG operation environment by using real-time communication network and grid solutions. Implementation and validation of a distributed MG synchronization operation control strategy are used to demonstrate the performance of the proposed CHIL platform.

关键词： controller hardware-in-the-loop distributed control hardware-in-the-loop microgrid control system

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controller-hardware-in-the-loop Testbed for Fast-Switching SiC-Based 50-kW PV Inverter 44

Controller-Hardware-in-the-Loop Testbed for Fast-Switching S...

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44th Annual Conference of the IEEE Industrial-Electronics-Society (IECON)

作者： Singh, Akanksha Prabakar, Kumaraguru Natl Renewable Energy Lab Power Syst Engn Ctr Golden CO 80401 USA

ISBN: (纸本)9781509066841

The recent advent of wide bandgap power semiconductor devices will lay the path for future power converters. These devices provide the advantage of high switching speed and lower losses. The high cost and high switching speeds of these devices provide a challenge in the development and validation of the fast-switching inverter controls with accuracy comparable to that of a hardware setup. In this paper, a field programmable gate array (FPGA) real-time simulator-based controller-hardware-in-the-loop (CHIL) testbed is used to verify the low-level and advanced inverter controls for fast-switching wide bandgap-based photovoltaic string inverter. The paper also includes development of the CHIL testbed, which is run at a time step of 500 ns in order to implement 20-kHz switching frequency. The developed CHIL testbed is validated through experimental results from a three-phase, 50-kW, 480-V-LLrms SiC device-based inverter.

关键词： advanced grid-support functions controller hardware-in-the-loop high switching frequency power electronics converters SiC devices

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