Development and validation of a coordinated voltage controller using real-time simulation

Andrén, Filip; Henein, Sawsan; Stifter, Matthias

doi:10.1109/iecon.2011.6119913

Cited by 14 publications

(5 citation statements)

References 14 publications

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“…Firstly, the algorithm is already developed in the target programming language in a form that can be directly implemented on a microprocessor controller. Additionally, a closed-loop environment allows for considering the impact of communication latency, controller computational time, and simulated process dynamics on the regulator's performance [32][33][34]. Therefore, it is a cheap, fast, and reliable way to conduct the early prototyping of the control algorithms.…”

Section: Methods and Experimentsmentioning

confidence: 99%

A Fuzzy OLTC Controller: Applicability in the Transition Stage of the Energy System Transformation

Wróblewski,

Kowalik,

Januszewski

et al. 2024

Energies

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This paper introduces a Fuzzy Logic Controller designed for an on-load tap changer within medium voltage distribution systems with bulk penetration of Distributed Energy Resources. As the on-load tap changer remains one of the most essential forms of voltage regulation in medium voltage distribution networks, improving its operation is a cost-effective response to the emerging voltage violations caused by intermittent generation during the early stages of the energy system transformation. Software-in-the-loop simulations were conducted to validate the effectiveness of the proposed algorithm compared to the conventional methods. A modified CIGRE Medium Voltage Distribution Network Benchmark in European Configuration was modelled while the controller code developed in Python 3.12 was running on a PC, both coupled in a real-time closed-loop environment. The analyses showed that the proposed algorithm managed to reduce overvoltage from 7.02% to 4.85% in the benchmark network, thus demonstrating that the algorithm is efficient and ready for on-field implementation.

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Section: Methods and Experimentsmentioning

confidence: 99%

A Fuzzy OLTC Controller: Applicability in the Transition Stage of the Energy System Transformation

Wróblewski,

Kowalik,

Januszewski

et al. 2024

Energies

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“…The time-frame of simulation is dependent on the controller implementation. Figure 1 shows the overview and the basic setup of the CHIL methodology using a DRTS as a simulation platform [15].…”

Section: Advanced Testing Via Chil Methodsmentioning

confidence: 99%

Analyzing standardization needs for CHIL-based testing of power systems and components

Lauss¹,

Andrén²,

Leimgruber³

et al. 2018

2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES)

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Real-time simulation methods for investigations on electric networks and integration of grid connected generation units are increasingly in the focus of ongoing research areas. While laboratory testing methods are the predominant method for the verification of safety and quality related features of gridconnected generation units in the past, load flow modeling verification methods have been integrated in state-of-the-art standardization frameworks recently. The next step is comprised in real-time simulation methodologies applied for compliance testing of entire power electronic systems integrated in power distribution networks. The Controller Hardware-in-the-Loop (CHIL) approach is an appropriate methodology that combines numerical simulations with software modeling approaches and classical hardware testing in labs. Control boards represent the hardware device directly connected to the power electronic periphery, which is entirely simulated in a real-time simulation environment. Hereby, input signals from voltage and current measurements and output signals for power system control are exchanged in real-time. Thanks to this setup the testing of the true behavior of entire generation units within the electric network can be emulated precisely. With the application of CHIL a shorter time to market and a lower risk in the development phase can be achieved. However, an analysis from realized CHIL experiments shows the need for more harmonized procedures. This paper addresses this topic and provides an outlook about necessary future CHIL standardization needs.

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“…Fundamentally, however, real time constraints are only determined by the dynamic of the interaction between the coupled simulation system and the hardware. Depending on the frequency response characteristic of the signal, this could be between several microseconds (e.g., a modular multilevel converter [40]) and up to seconds (e.g., a voltage controller [41]), which correspond to up to 1-10 kHz.…”

Section: Real-time and Hil Approachesmentioning

confidence: 99%

Interfacing Power System and ICT Simulators: Challenges, State-of-the-Art, and Case Studies

Müller

Georg

Nutaro

et al. 2018

IEEE Trans. Smart Grid

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With the transition toward a smart grid, the power system has become strongly intertwined with the information and communication technology (ICT) infrastructure. The interdependency of both domains requires a combined analysis of physical and ICT processes, but simulating these together is a major challenge due to the fundamentally different modeling and simulation concepts. After outlining these challenges, such as time synchronization and event handling, this paper presents an overview of state-of-the-art solutions to interface power system and ICT simulators. Due to their prominence in recent research, a special focus is set on co-simulation approaches and their challenges and

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Development and validation of a coordinated voltage controller using real-time simulation

Cited by 14 publications

References 14 publications

A Fuzzy OLTC Controller: Applicability in the Transition Stage of the Energy System Transformation

A Fuzzy OLTC Controller: Applicability in the Transition Stage of the Energy System Transformation

Analyzing standardization needs for CHIL-based testing of power systems and components

Interfacing Power System and ICT Simulators: Challenges, State-of-the-Art, and Case Studies

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