PROBLEM TO BE SOLVED: To provide an electric drive type dump truck that enables free setting of cooling performance against a resistor in deceleration of a vehicle.SOLUTION: An electric drive type dump truck of the present invention includes: a power generation motor 50 that is provided in an output shaft of travel motors 14L and 14R to generate electric power in association with rotation of the output shaft; an inverter 51 for the power generation motor, which is electrically connected to an output side of an auxiliary generator 33 so as to convert generated output of the power generation motor 50 to AC power at variable frequencies; and a control device 60 that controls operation of an auxiliary generator exciting unit 35 and the inverter 51 for the power generation motor so as to reduce the generated output of the auxiliary generator 33 by supplying the output side of the auxiliary generator 33 with the AC power generated by the power generation motor 50 in deceleration of a vehicle.SELECTED DRAWING: Figure 3
【課題】車両の減速時に抵抗器に対する冷却性能を自由に設定できる電気駆動式ダンプトラックを提供すること。【解決手段】本発明は、走行モータ14L,14Rの出力軸に設けられ、当該出力軸の回転に伴って発電する発電モータ50と、補助発電機33の出力側に電気的に接続され、発電モータ50の発電電力を可変周波数の交流電力に変換する発電モータ用インバータ51と、車両の減速時に発電モータ50が発電した交流電力を補助発電機33の出力側に供給して補助発電機33の発電電力が減少するように、補助発電機励磁ユニット35及び発電モータ用インバータ51の動作を制御する制御装置60とを備えた。【選択図】図3
ELECTRIC DRIVE TYPE DUMP TRUCK
電気駆動式ダンプトラック
2018-09-27
Patent
Elektronische Ressource
Japanisch
IPC: | 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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |