To provide a power supply switching device and a drive control apparatus that enable a railway vehicle to travel even when the external power supply is stopped by a small-sized power storage device.SOLUTION: A power supply switching device 30 includes: a switching circuit 31 that is connected to a first power conversion device 10 and a low voltage power storage device 20 and forms a cable way between the first power conversion device 10 and the low voltage power storage device 20; and a switching control unit 32 that electrically separates the first power conversion device 10 and the low voltage power storage device 20 from each other by controlling the switching circuit 31 when the power is supplied from a main power supply 92 to the first power conversion device 10, and electrically connects the first power conversion device 10 with the low voltage power storage device 20 when the supply of the power from the main power supply 92 to the first power conversion device 10 stops in such a state that the railway vehicle is started.SELECTED DRAWING: Figure 1
【課題】小型の蓄電装置によって、外部からの電力供給が停止されているときでも鉄道車両の走行を可能とする電源切替装置および駆動制御装置を提供する。【解決手段】電源切替装置30は、第1電力変換装置10と低圧蓄電装置20に接続され、第1電力変換装置10と低圧蓄電装置20との間の電路を形成する切替回路31と、主電源92から第1電力変換装置10に電力が供給されるときは、切替回路31を制御して第1電力変換装置10と低圧蓄電装置20とを互いに電気的に切り離し、鉄道車両が起動された状態で主電源92から第1電力変換装置10への電力の供給が停止すると、第1電力変換装置10と低圧蓄電装置20とを互いに電気的に接続する切替制御部32と、を有する。【選択図】図1
POWER SUPPLY SWITCHING DEVICE AND DRIVE CONTROL APPARATUS
電源切替装置および駆動制御装置
2024-06-11
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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