NSTL国家科技图书文献中心

1. Replicating Existing Axial Magnetic Bearing Controller With a Neural Network NSTL国家科技图书文献中心

Marek Rehtla | Ibrahim Abubakar ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～6 - 共6页

摘要：In various industrial applications, neural | network-based control solutions can present a viable | alternative to traditional control laws. The adaptability of | these solutions allows the control law to be trained | through data observations by considering the tools of

关键词： Training | Sensitivity | Shape | Rotors | Process control | Europe | Closed box | Artificial neural networks | Time-domain analysis | Magnetic levitation

2. Sensitivity-Based Local-Central Combined Voltage/Var Control of Photovoltaic Inverters Without Impedance Imformation NSTL国家科技图书文献中心

Yao Zhang | Hao Yi ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～6 - 共6页

摘要：With the increasing energy demand in society | , photovoltaic (PV) power generation has gained significant | promotion. As distributed PV systems become increasingly | integrated into low-voltage distribution networks | , challenges regarding voltage limits emerge within these

关键词： Photovoltaic systems | Low voltage | Reactive power | Sensitivity | Europe | Distribution networks | Inverters | Impedance | Voltage control | Monitoring

3. Alternative Approach Based on Bézier Curves to Model Core Losses With the Composite iGSE Method NSTL国家科技图书文献中心

Anartz Agote | Asier Arruti ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～6 - 共6页

摘要：This work addresses limitations of the | composite improved generalized Steinmetz equation for core | loss calculation and presents a more robust | definition of the losses. First, the limitations due to | extrapolation of the fifth-degree polynomial functions used in

关键词： Extrapolation | Solid modeling | Accuracy | Core loss | Europe | Transforms | Polynomials | Mathematical models | High frequency | Hysteresis

4. Efficiency and Cost Optimization of Dual Active Bridge Converter for 350kW DC Fast Chargers NSTL国家科技图书文献中心

Sadik Cinik | Fangzhou Zhao ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～8 - 共8页

摘要：This study focuses on optimizing the design | parameters of a Dual Active Bridge (DAB) converter for use | in 350 kW DC fast chargers, emphasizing the balance | between efficiency and cost. Addressing the observed | gaps in existing high-power application research, it

关键词： Costs | Switching frequency | Modulation | Europe | Bridge circuits | Voltage | Switched reluctance motors | Transformers | Optimization

5. Frequency Constrained MPC for Efficient Grid Side Operation of Wind Power Conversion Systems NSTL国家科技图书文献中心

Orcun Karaca | Georgios Darivianaki... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～7 - 共7页

摘要：Model predictive control (MPC) has proven its | applicability in power conversion control with its fast | dynamic response to reference changes while ensuring | critical system constraints are satisfied. Even then, the | computational burden still remains a challenge for many MPC

关键词： Frequency modulation | Europe | Wind power generation | Containers | Pulse width modulation | Predictive models | Frequency conversion | Safety | Transient analysis | Frequency control

6. Impact of Non-Uniform Flux Density on Core Losses: A Case Study on Standard Core Geometries NSTL国家科技图书文献中心

Asier Arruti | Anartz Agote ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～7 - 共7页

摘要：The non-uniform flux density distribution | inside magnetic cores leads to increased overall losses | when compared to the commonly used uniform flux | density assumption. This effect is amplified if | rectangular based core shapes are used, where flux crowding

关键词： Geometry | Temperature distribution | Temperature dependence | Magnetic flux | Magnetic cores | Core loss | Toroidal magnetic fields | Europe | Finite element analysis | Standards

7. Arm Inductance Impact on Switched Capacitor Modular Multilevel Converter for Quasi Square Wave Modulation Regarding Voltage Mismatch NSTL国家科技图书文献中心

Peizhou Xia | Xinyun Zhang ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～8 - 共8页

摘要：The modular multilevel DC transformer (MMDCT | ) is served as a crucial part in MVDC and HVDC | networks. This article initially expands on the soft | -switching analysis by considering practical cases | , offering an in-depth investigation into switching

关键词： Inductance | Multilevel converters | Delay effects | Switching loss | Modulation | Europe | Switches | Voltage | Transformers | Transient analysis

8. 50 kW Partial Power Converter for EV Charging NSTL国家科技图书文献中心

Jon Anzola | Asier Arruti ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～8 - 共8页

摘要：This paper presents the design and assembly of | a 50 kW dual active bridge partial power converter | . Due to the reduction in the power processed by the | converter, the maximum power observed by the converter is | set to 4.7 kW. In consequence, the implementation of

关键词： Inductance | Europe | Switching loss | Switches | Voltage | Zero voltage switching | Transformers | Electric vehicle charging | Assembly | Testing

9. A Novel Fast and High Performance Reconstruction Voltage Perdictive Controller for three Phase Multilevel Inverters NSTL国家科技图书文献中心

Yousefreza Jafarian | Omid Salari ... - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～7 - 共7页

摘要：This paper introduces a novel high-performance | reconstruction voltage predictive control (RVPC) scheme with | broad applicability to three-phase multilevel | inverters. The proposed modulation technique presents a | significant reduction in computational time compared to the

关键词： Switching frequency | Capacitors | Modulation | Europe | Switches | Multilevel inverters | Control systems | Topology | Voltage control | Predictive control

10. A High-Bandwidth Current Measurement Method Using an Integrated Rogowski Coil with an Inverse FIR Filter NSTL国家科技图书文献中心

Schmitz Lukas | Pfost Martin - 《2024 Energy Conversion Congress & Expo Europe,[v.1]》 - Energy Conversion Congress & Expo Europe - 2024, - 1～6 - 共6页

摘要：In fast hard-switching devices, switching | losses are a dominant part compared to all other losses | in semiconductors. A difficult challenge is to | accurately measure the source current of GaN HEMTs with | only a minor influence on the commutation loop. This

关键词： Coils | Semiconductor device measurement | Finite impulse response filters | Current measurement | Switching loss | Europe | Bandwidth | HEMTs | Sensors | MODFETs

摘要：In various industrial applications, neural | network-based control solutions can present a viable | alternative to traditional control laws. The adaptability of | these solutions allows the control law to be trained | through data observations by considering the tools of

关键词： Training | Sensitivity | Shape | Rotors | Process control | Europe | Closed box | Artificial neural networks | Time-domain analysis | Magnetic levitation

摘要：With the increasing energy demand in society | , photovoltaic (PV) power generation has gained significant | promotion. As distributed PV systems become increasingly | integrated into low-voltage distribution networks | , challenges regarding voltage limits emerge within these

关键词： Photovoltaic systems | Low voltage | Reactive power | Sensitivity | Europe | Distribution networks | Inverters | Impedance | Voltage control | Monitoring

摘要：This work addresses limitations of the | composite improved generalized Steinmetz equation for core | loss calculation and presents a more robust | definition of the losses. First, the limitations due to | extrapolation of the fifth-degree polynomial functions used in

关键词： Extrapolation | Solid modeling | Accuracy | Core loss | Europe | Transforms | Polynomials | Mathematical models | High frequency | Hysteresis

摘要：This study focuses on optimizing the design | parameters of a Dual Active Bridge (DAB) converter for use | in 350 kW DC fast chargers, emphasizing the balance | between efficiency and cost. Addressing the observed | gaps in existing high-power application research, it

关键词： Costs | Switching frequency | Modulation | Europe | Bridge circuits | Voltage | Switched reluctance motors | Transformers | Optimization

摘要：Model predictive control (MPC) has proven its | applicability in power conversion control with its fast | dynamic response to reference changes while ensuring | critical system constraints are satisfied. Even then, the | computational burden still remains a challenge for many MPC

关键词： Frequency modulation | Europe | Wind power generation | Containers | Pulse width modulation | Predictive models | Frequency conversion | Safety | Transient analysis | Frequency control

摘要：The non-uniform flux density distribution | inside magnetic cores leads to increased overall losses | when compared to the commonly used uniform flux | density assumption. This effect is amplified if | rectangular based core shapes are used, where flux crowding

关键词： Geometry | Temperature distribution | Temperature dependence | Magnetic flux | Magnetic cores | Core loss | Toroidal magnetic fields | Europe | Finite element analysis | Standards

摘要：The modular multilevel DC transformer (MMDCT | ) is served as a crucial part in MVDC and HVDC | networks. This article initially expands on the soft | -switching analysis by considering practical cases | , offering an in-depth investigation into switching

关键词： Inductance | Multilevel converters | Delay effects | Switching loss | Modulation | Europe | Switches | Voltage | Transformers | Transient analysis

摘要：This paper presents the design and assembly of | a 50 kW dual active bridge partial power converter | . Due to the reduction in the power processed by the | converter, the maximum power observed by the converter is | set to 4.7 kW. In consequence, the implementation of

关键词： Inductance | Europe | Switching loss | Switches | Voltage | Zero voltage switching | Transformers | Electric vehicle charging | Assembly | Testing

摘要：This paper introduces a novel high-performance | reconstruction voltage predictive control (RVPC) scheme with | broad applicability to three-phase multilevel | inverters. The proposed modulation technique presents a | significant reduction in computational time compared to the

关键词： Switching frequency | Capacitors | Modulation | Europe | Switches | Multilevel inverters | Control systems | Topology | Voltage control | Predictive control

摘要：In fast hard-switching devices, switching | losses are a dominant part compared to all other losses | in semiconductors. A difficult challenge is to | accurately measure the source current of GaN HEMTs with | only a minor influence on the commutation loop. This

关键词： Coils | Semiconductor device measurement | Finite impulse response filters | Current measurement | Switching loss | Europe | Bandwidth | HEMTs | Sensors | MODFETs

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