To suppress a breakdown voltage rise of an apparatus in a configuration in which a battery outputs a high voltage.SOLUTION: A conversion device 30 comprises a first voltage conversion unit 31 and a plurality of second voltage conversion units 32. The first voltage conversion unit 31 performs a first conversion operation for performing voltage conversion upon a voltage applied to a first power path 61A and applying an output voltage to a second power path 62A, and a second conversion operation for performing voltage conversion upon the voltage applied to the second power path 62A and applying an output voltage to the first power path 61A. Each of the plurality of second voltage conversion units 32 is electrically connected to a battery 20 in such a manner that a voltage within a range of a breakdown voltage of the second voltage conversion unit 32 is inputted.SELECTED DRAWING: Figure 1
【課題】バッテリが高電圧を出力する構成において機器の高耐圧化を抑える。【解決手段】変換装置30は、第1電圧変換部31と複数の第2電圧変換部32とを備える。第1電圧変換部31は第1電力路61Aに印加された電圧を電圧変換して第2電力路62Aに出力電圧を印加する第1変換動作と第2電力路62Aに印加された電圧を電圧変換して第1電力路61Aに出力電圧を印加する第2変換動作とを行う。複数の第2電圧変換部32の各々は、第2電圧変換部32の耐圧の範囲内の電圧が入力されるようにバッテリ20に電気的に接続される。【選択図】図1
CONVERSION DEVICE AND CONVERSION SYSTEM
変換装置及び変換システム
2021-04-01
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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