PROBLEM TO BE SOLVED: To downsize an auxiliary power unit equipped with a power storage device while regenerative electric power is effectively utilized in utilizing electric power of the unit.SOLUTION: An electric power conversion apparatus of a railway vehicle has first power conversion means 5, second power conversion means 6, a first capacitor 4, a first reactor 3 and a second capacitor 8, the first power conversion means 5 and the second power conversion means 6 being constituted to be integrally connected in the same unit, has a first circuit breaker 9a and a second circuit breaker 9b in series with power storage means 10, and has a resistor 19b in parallel with the second circuit breaker 9a. The apparatus comprises: a third circuit breaker 9c between the power storage means 10 and the second capacitor 8; third power conversion means 12 for converting electric power of the power storage means 10 into a second AC power; a third capacitor 11 connected in parallel with the power storage means 12 on a side of the third power conversion means 12 to which the power storage means 10 is connected; a fourth circuit breaker 9d connected between the power storage means 10 and the third capacitor 11; and control means 31.
【課題】蓄電装置を備えた補助電源装置の電力を利用するに際し、装置を小型化しつつ、回生電力を有効利用する。【解決手段】鉄道車両の電力変換装置は、第1の電力変換手段5と、第2の電力変換手段6と、第1のキャパシタ4と、第1のリアクトル3と第2のキャパシタ8を有し、第1の電力変換手段5と、第2の電力変換手段6を同一ユニット内で一体接続して構成し、蓄電手段10と直列に第1の遮断器9aと第2の遮断器9bを有し、第2の遮断器9aと並列に抵抗19bを有する。蓄電手段10と第2のキャパシタ8との間に、第3の遮断器9cと、蓄電手段10の電力を第2の交流電力に変換する第3の電力変換手段12と、第3の電力変換手段12の蓄電手段10と接続される側に、蓄電手段12と並列に接続される第3のキャパシタ11と、蓄電手段10と第3のキャパシタ11との間に接続される第4の遮断器9dと、制御手段31と、を備える。【選択図】図1
ELECTRIC POWER CONVERSION APPARATUS, AND RAILWAY VEHICLE COMPRISING THE SAME
電力変換装置及びそれを備えた鉄道車両
2015-11-16
Patent
Electronic Resource
Japanese
IPC: | 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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