Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27730%2F22%3A10250420" target="_blank" >RIV/61989100:27730/22:10250420 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27240/22:10250420

Výsledek na webu

<a href="https://www.mdpi.com/1424-8220/22/21/8473" target="_blank" >https://www.mdpi.com/1424-8220/22/21/8473</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/s22218473" target="_blank" >10.3390/s22218473</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Popis výsledku v původním jazyce

This paper deals with developing and implementing a bidirectional galvanically isolated on-board charger of a high-power density. The power density of the realized charger was 4 kW/kg and 2.46 kW/dm3, and the maximum efficiency was 96.4% at 3.4 kW. Due to the requirement to achieve a high-power density, a single-stage inverter topology was used. Regarding switching losses, due to the topology of the circuit with so-called hard switching, the switching frequency was set to 150 kHz. A laboratory prototype was built to verify the properties and operating principles of the described charger topology. The on-board charger has been tested in a microgrid test platform. Due to the parasitic properties of the transformer and other electronic components, overvoltage with subsequent oscillations occurred on the primary side of the transformer and damped resonance on its secondary side. These parasitic properties caused interference and espe-cially voltage stress on the semiconductor elements. These undesirable phenomena have been eliminated by adding an active element to the charger topology and a new transistor control strategy. This new switching control strategy of transistors has been patented.

Název v anglickém jazyce

Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Popis výsledku anglicky

This paper deals with developing and implementing a bidirectional galvanically isolated on-board charger of a high-power density. The power density of the realized charger was 4 kW/kg and 2.46 kW/dm3, and the maximum efficiency was 96.4% at 3.4 kW. Due to the requirement to achieve a high-power density, a single-stage inverter topology was used. Regarding switching losses, due to the topology of the circuit with so-called hard switching, the switching frequency was set to 150 kHz. A laboratory prototype was built to verify the properties and operating principles of the described charger topology. The on-board charger has been tested in a microgrid test platform. Due to the parasitic properties of the transformer and other electronic components, overvoltage with subsequent oscillations occurred on the primary side of the transformer and damped resonance on its secondary side. These parasitic properties caused interference and espe-cially voltage stress on the semiconductor elements. These undesirable phenomena have been eliminated by adding an active element to the charger topology and a new transistor control strategy. This new switching control strategy of transistors has been patented.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20205 - Automation and control systems

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Sensors

ISSN

1424-3210

e-ISSN

1424-8220

Svazek periodika

22

Číslo periodika v rámci svazku

21

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

29

Strana od-do

1-29

Kód UT WoS článku

000881523200001

EID výsledku v databázi Scopus

2-s2.0-85141635909