Load-Dependent Active Thermal Control of Grid-Forming Converters

Andresen, Markus; Carne, Giovanni De; Liserre, Marco

doi:10.1109/tia.2020.2966573

Cited by 5 publications

(2 citation statements)

References 29 publications

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“…An additional modeling layer can be added, including the thermal behaviour of the switching elements. This aspect can be critical for reliability studies [20], and it is strictly related to the converter power profile [21]. Further, model details of the energy source can be added at this stage.…”

Section: Modeling Approachesmentioning

confidence: 99%

On Modeling Depths of Power Electronic Circuits for Real-Time Simulation – A Comparative Analysis for Power Systems

Carne

Lauss

Syed

et al. 2022

IEEE Open J. Power Energy

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Investigations of the dynamic behaviour of power electronic components integrated into electric networks require suitable and established simulation methodologies. Real-time simulation represents a frequently applied methodology for analyzing the steady-state and transient behavior of electric power systems. This work introduces a guideline on how to model power electronics converters in digital real time simulators, taking into account the trade-off between model accuracy and the required computation time. Based on this concept, possible execution approaches with respect to the usage of central processing unit and field-programmable gate array components are highlighted. Simulation test scenario, such as primary frequency regulation and low voltage ride through, have been performed and accuracy indices are discussed for each implemented real-time model and each test scenario, respectively. Finally, a run-time analysis of presented real-time setups is given and real-time simulation results are compared. This manuscript demonstrates important differences in real-time simulation modelling, providing useful guidelines for the decision making of power engineers.

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Section: Modeling Approachesmentioning

confidence: 99%

On Modeling Depths of Power Electronic Circuits for Real-Time Simulation – A Comparative Analysis for Power Systems

Carne

Lauss

Syed

et al. 2022

IEEE Open J. Power Energy

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“…Active thermal control (ATC) is a common technique that can be embedded in a whole control system to control the temperature of power devices according to the operating conditions of electric drives [9][10][11][12]. Generally, the junction temperature of power chips is determined by boundary conditions (power loss and cooling conditions).…”

Section: Introductionmentioning

confidence: 99%

A dual fuzzy logic controller‐based active thermal control strategy of SiC power inverter for electric vehicles

Wang

Song

et al. 2021

IET Electric Power Appl

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Thermal stress is one of the most important factors leading to power module failure. Under the load condition of high current with low fundamental frequency or largely changed load current, it would cause high junction temperature swing amplitude (JTSA) of chips, which could accelerate the failure of power module. To address this issue, this paper proposes a dual fuzzy logic controller‐based active thermal control (ATC) strategy to reduce the JTSA of chips in cases of variable power profiles. Two fuzzy logic controllers are designed to reduce the JTSA of chips by adjusting the switching frequency and pulse width modulation (PWM) strategy, respectively. One fuzzy logic controller is designed to reduce the transient JTSA of chips, which is done by changing the switching frequency according to the fundamental frequency and transient JTSA. The other one is to reduce the mean JTSA of chips, which is implemented by regulating the switching frequency and PWM modes according to the mean junction temperature and its variation. The minimum one is selected as the switching frequency of power inverter. Finally, the effectiveness of the proposed ATC strategy is verified by simulation and experimental results.

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Reliability of Power Electronic Systems for EV/HEV Applications

et al. 2021

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The electrification of the transportation sector is moving on at a fast pace. All car manufacturers have strong programs to electrify their car fleet to fulfill the demands of society and customers by offering carbon-neutral technologies to bring goods and persons from one location to another. Power electronics technology is, in this evolution, essential and also in a rapid development technology-wise. Some of the introduced technologies are quite mature, and the systems designed must have high reliability as they can be quite complicated from an electrical perspective. Therefore, this article focuses on the reliability of the used power electronic systems applied in electric vehicles (EVs) and hybrid EVs (HEVs). It introduces the reliability requirements and challenges given for the power electronics applied in EV/HEV applications. Then, the advances in power electronic components to address the reliability challenges are introduced as they individually contribute to the overall system reliability. The reliability-oriented design methodology is also discussed, including two examples: an EV onboard charger and the drive train inverter. Finally, an outlook in terms of research opportunities in power electronics reliability related to EV/HEVs is provided. It can be concluded that many topics are already well handled in terms of reliability, but issues related to complete new technology introduction are important to keep the focus on.

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Load-Dependent Active Thermal Control of Grid-Forming Converters

Cited by 5 publications

References 29 publications

On Modeling Depths of Power Electronic Circuits for Real-Time Simulation – A Comparative Analysis for Power Systems

On Modeling Depths of Power Electronic Circuits for Real-Time Simulation – A Comparative Analysis for Power Systems

A dual fuzzy logic controller‐based active thermal control strategy of SiC power inverter for electric vehicles

Reliability of Power Electronic Systems for EV/HEV Applications

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