PROBLEM TO BE SOLVED: To provide a rotary electric machine control device capable of determining generation of an overcurrent properly.SOLUTION: A power supply system includes: a rotary electric machine 21 capable of actuating power generation and power running; an inverter 22 for performing electric conduction for each phase in the rotary electric machine 21; storage batteries 11, 12 connected to the inverter 22; and switches 31, 32 provided in an electric path between the inverter 22 and the storage batteries 11, 12. A rotary electric machine ECU 23 determines that an overcurrent has flowed at least in one of the rotary electric machine 21 and the inverter 22 based on the fact that a conduction current flowing in the inverter 22 has increased to a predetermined overcurrent threshold value, and based on the determination result, opens the switches 31, 32. Also, the rotary electric machine ECU 23 limits a rush current which occurs according to drive start at the starting time of the power running drive of the rotary electric machine 21.SELECTED DRAWING: Figure 1
【課題】過電流の発生を適正に判定することができる回転電機制御装置を提供する。【解決手段】電源システムは、発電及び力行の作動を可能とする回転電機21と、回転電機21において相ごとの通電を行わせるインバータ22と、インバータ22に接続される蓄電池11,12と、インバータ22と蓄電池11,12との間の電気経路に設けられるスイッチ31,32と、を備えている。回転電機ECU23は、インバータ22に流れる通電電流が所定の過電流閾値まで上昇したことに基づいて、回転電機21及びインバータ22の少なくともいずれかに過電流が流れたことを判定し、その判定結果に基づいて、スイッチ31,32を開放させる。また、回転電機ECU23は、回転電機21の力行駆動の開始時においてその駆動開始に伴い生じる突入電流を制限する。【選択図】 図1
ROTARY ELECTRIC MACHINE CONTROL DEVICE
回転電機制御装置
2018-04-12
Patent
Electronic Resource
Japanese
IPC: | F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |