PROBLEM TO BE SOLVED: To provide a drive apparatus capable of using the power of another battery highly efficiently and preventing application of an overvoltage to an auxiliary equipment part in a case where either one of two batteries fails.SOLUTION: A drive apparatus includes: a high-capacity battery ES-E; a high-output battery ES-P; a conversion part VCU 103 for converting an output voltage of the ES-E or ES-P; electric component parts 115, 117 connected to the ES-E or ES-P; a drive part (MG 101, PDU 105) driven with power supplied from at least one of the ES-E and ES-P; and an ECU 119 for detecting a failure of at least one of the ES-E and ES-P and controlling the conversion part. Upon detecting a failure of the ES-E or ES-P, the ECU switches a control mode of the conversion part from a current control mode to a voltage control mode, and controls the conversion part on the basis of a voltage that is lower of an operation-guaranteed upper limit voltage of the electric component part and a target voltage to be applied to the drive part.SELECTED DRAWING: Figure 3
【課題】2つの蓄電器のいずれか一方が故障した際に他方の蓄電器の電力を高効率に使用可能かつ補機部への過電圧の印加を防止可能な駆動装置を提供する。【解決手段】駆動装置は、高容量型バッテリES−Eと、高出力型バッテリES−Pと、ES−E又はES−Pの出力電圧を変換する変換部VCU103と、ES−E又はES−Pに接続された電装部115、117と、ES−E及びES−Pの少なくとも一方から供給される電力によって駆動する駆動部(MG101、PDU105)と、ES−E及びES−Pの少なくとも一方の故障を検出し、変換部を制御するECU119と、を備える。ECUは、ES−E又はES−Pの故障を検出すると、変換部の制御モードを電流制御モードから電圧制御モードに切り替え、電装部の動作保証上限電圧及び駆動部に印加する予定の目標電圧のうち低い方の電圧に基づき、変換部を制御する。【選択図】図3
DRIVE APPARATUS, TRANSPORTATION EQUIPMENT, AND CONTROL METHOD
駆動装置、輸送機器及び制御方法
2017-06-22
Patent
Electronic Resource
Japanese
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / 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 |
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