Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects

Testing of power electronic converters can advantageously be carried out in power-hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric motors, etc. The interface between the model and the device under test requires a power amplifier whose bandwidth ultimately...
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Gespeichert in:

Autor*in:	Julian Bohler [verfasserIn] Jonas Huber [verfasserIn] Johann Wurz [verfasserIn] Martin Stransky [verfasserIn] Nissim Uvaidov [verfasserIn] Srdjan Srdic [verfasserIn] Johann W. Kolar [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Power-hardware-in-the-loop (P-HIL) grid emulation motor emulation power amplifier topologies switch-mode power amplifier ultra-high-bandwidth power amplifier

Übergeordnetes Werk:	In: IEEE Access - IEEE, 2014, 10(2022), Seite 54613-54633
Übergeordnetes Werk:	volume:10 ; year:2022 ; pages:54613-54633

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1109/ACCESS.2022.3172291

Katalog-ID:	DOAJ022358552

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callnumber-first	T - Technology
author	Julian Bohler
spellingShingle	Julian Bohler misc TK1-9971 misc Power-hardware-in-the-loop (P-HIL) misc grid emulation misc motor emulation misc power amplifier topologies misc switch-mode power amplifier misc ultra-high-bandwidth power amplifier misc Electrical engineering. Electronics. Nuclear engineering Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects
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topic_title	TK1-9971 Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects Power-hardware-in-the-loop (P-HIL) grid emulation motor emulation power amplifier topologies switch-mode power amplifier ultra-high-bandwidth power amplifier
topic	misc TK1-9971 misc Power-hardware-in-the-loop (P-HIL) misc grid emulation misc motor emulation misc power amplifier topologies misc switch-mode power amplifier misc ultra-high-bandwidth power amplifier misc Electrical engineering. Electronics. Nuclear engineering
topic_unstemmed	misc TK1-9971 misc Power-hardware-in-the-loop (P-HIL) misc grid emulation misc motor emulation misc power amplifier topologies misc switch-mode power amplifier misc ultra-high-bandwidth power amplifier misc Electrical engineering. Electronics. Nuclear engineering
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title	Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects
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title_sort	ultra-high-bandwidth power amplifiers: a technology overview and future prospects
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title_auth	Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects
abstract	Testing of power electronic converters can advantageously be carried out in power-hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric motors, etc. The interface between the model and the device under test requires a power amplifier whose bandwidth ultimately limits the accuracy of the emulation. Hence, there is a need for general-purpose AC power amplifiers with ultra-high power bandwidth. This paper first provides a comprehensive review of amplifier concepts proposed over the past decades, i.e., linear power amplifiers, switch-mode amplifiers, including advanced variants such as multilevel (parallel-interleaving) and multicell (series-interleaving) topologies, as well as hybrid approaches that, e.g., combine analog and switch-mode stages. Based on this review, the two key concepts (parallel-interleaving of bridge-legs and cascading of converter cells) that facilitate high efficiency and ultra-high power bandwidth are identified and discussed, covering also suitable isolated mains interfaces and control considerations. Finally, we present a three-phase amplifier system that uses six cascaded converter cells per phase to realize an effective switching frequency of 3.6MHz. The prototype thus achieves a measured power bandwidth of 100kHz at the nominal phase output voltage of 230Vrms, and an output power of up to 10kW per phase.
abstractGer	Testing of power electronic converters can advantageously be carried out in power-hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric motors, etc. The interface between the model and the device under test requires a power amplifier whose bandwidth ultimately limits the accuracy of the emulation. Hence, there is a need for general-purpose AC power amplifiers with ultra-high power bandwidth. This paper first provides a comprehensive review of amplifier concepts proposed over the past decades, i.e., linear power amplifiers, switch-mode amplifiers, including advanced variants such as multilevel (parallel-interleaving) and multicell (series-interleaving) topologies, as well as hybrid approaches that, e.g., combine analog and switch-mode stages. Based on this review, the two key concepts (parallel-interleaving of bridge-legs and cascading of converter cells) that facilitate high efficiency and ultra-high power bandwidth are identified and discussed, covering also suitable isolated mains interfaces and control considerations. Finally, we present a three-phase amplifier system that uses six cascaded converter cells per phase to realize an effective switching frequency of 3.6MHz. The prototype thus achieves a measured power bandwidth of 100kHz at the nominal phase output voltage of 230Vrms, and an output power of up to 10kW per phase.
abstract_unstemmed	Testing of power electronic converters can advantageously be carried out in power-hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric motors, etc. The interface between the model and the device under test requires a power amplifier whose bandwidth ultimately limits the accuracy of the emulation. Hence, there is a need for general-purpose AC power amplifiers with ultra-high power bandwidth. This paper first provides a comprehensive review of amplifier concepts proposed over the past decades, i.e., linear power amplifiers, switch-mode amplifiers, including advanced variants such as multilevel (parallel-interleaving) and multicell (series-interleaving) topologies, as well as hybrid approaches that, e.g., combine analog and switch-mode stages. Based on this review, the two key concepts (parallel-interleaving of bridge-legs and cascading of converter cells) that facilitate high efficiency and ultra-high power bandwidth are identified and discussed, covering also suitable isolated mains interfaces and control considerations. Finally, we present a three-phase amplifier system that uses six cascaded converter cells per phase to realize an effective switching frequency of 3.6MHz. The prototype thus achieves a measured power bandwidth of 100kHz at the nominal phase output voltage of 230Vrms, and an output power of up to 10kW per phase.
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title_short	Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects
url	https://doi.org/10.1109/ACCESS.2022.3172291 https://doaj.org/article/4eb81c4434bd410a86f66c5b8cb1fd28 https://ieeexplore.ieee.org/document/9766331/ https://doaj.org/toc/2169-3536
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author2	Jonas Huber Johann Wurz Martin Stransky Nissim Uvaidov Srdjan Srdic Johann W. Kolar
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up_date	2024-07-04T01:13:12.446Z
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