PROBLEM TO BE SOLVED: To perform control for overhead-wire power collection and charge/discharge control for power storage elements while suppressing increase in cost, weight and size.SOLUTION: A power converter 3 according to the present invention is mounted on an electric motor vehicle 1 equipped with a power storage element 6, a load and an intermediate circuit 4 that is connected to the power storage element 6 and the load and holds a DC voltage, provided between an overhead wire 10 and the intermediate circuit 4, converts an overhead-wire voltage into a DC voltage different from the overhead-wire voltage and makes the intermediate circuit 4 to hold the DC voltage, which has a control portion 30 that controls currents or power to be inputted and outputted between the overhead wire 10 and the portion according to charge/discharge current command Ifor commanding current values of charge/discharge currents Iflowing between the power storage element 6 and the intermediate circuit 4.SELECTED DRAWING: Figure 1
【課題】コスト、重量、サイズの増加を抑制しつつ、架線集電および蓄電素子の充放電制御を行う。【解決手段】本発明に係る電力変換装置3は、蓄電素子6と、負荷と、蓄電素子6および負荷に接続され、直流電圧を保持する中間回路4とを備える電気車1に搭載され、架線10と中間回路4との間に設けられ、架線電圧を、架線電圧とは異なる直流電圧に変換して中間回路4に保持させるものであり、蓄電素子6と中間回路4との間を流れる充放電電流Ibの電流値を指示する充放電電流指令Ib*に応じて、架線10との間で入出力される電流または電力を制御する制御部30を有する。【選択図】図1
POWER CONVERTER, CONTROL METHOD FOR POWER CONVERTER AND ELECTRIC MOTOR VEHICLE
電力変換装置、電力変換装置の制御方法および電気車
2016-09-05
Patent
Elektronische Ressource
Japanisch
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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