POWER GENERATION CONTROL DEVICE

PROBLEM TO BE SOLVED: To control the drive and stop of a power generator while taking fuel consumption performance into consideration.SOLUTION: A control unit for controlling an alternator which generates power by a driving force of an engine and charges a battery comprises a drive permission determination part for determining the drive and stop of the alternator on the basis of an engine efficiency and an SOC of the battery. The drive permission determination part is configured to determine the drive of the alternator when the SOC is smaller than a threshold SOC for driving which determines the drive of the alternator, and determines the stop of the alternator when the SOC is greater than a threshold SOC for stopping which determines the stop of the alternator. The threshold SOC for stopping is higher than the threshold SOC for driving as an engine efficiency is higher and power generation cost is lower.SELECTED DRAWING: Figure 18 【課題】燃費性能を考慮して発電機の駆動／停止を制御する。【解決手段】エンジンの駆動力で発電してバッテリに充電するオルタネータを制御する制御ユニットであって、エンジン効率とバッテリのＳＯＣとに基づいて、オルタネータの駆動／停止を判定する駆動許可判定部を、備え、駆動許可判定部は、ＳＯＣが、オルタネータの駆動を判定する駆動用の閾値ＳＯＣよりも小さくなると、オルタネータの駆動を判定すると共に、ＳＯＣが、オルタネータの停止を判定する停止用の閾値ＳＯＣよりも大きくなると、オルタネータの停止を判定するように構成されており、停止用の閾値ＳＯＣは、エンジン効率が高く発電コストが低いほど、駆動用の閾値ＳＯＣよりも高くなる構成とした。【選択図】図１８