To provide a control device of a power generator capable of suppressing to occur a situation where charge polarization occurs in a battery at the time of regenerative control.SOLUTION: A CPU 42 calculates a charge rate SOC of a battery 30 on the basis of a charge/discharge current I, and calculates a power generation instruction voltage of an alternator 20 as an operation amount for feedback control of the charge rate SOC to a target charge rate SOC*. The CPU 42 calculates a lower limit guard value of the power generation instruction voltage on the basis of the charge rate SOC so as to be larger when the charging rate SOC is small than when the value is large. When the operation amount is smaller than the lower limit guard value, the CPU 42 substitutes the lower limit guard value into the power generation instruction voltage.SELECTED DRAWING: Figure 1
【課題】回生制御時にバッテリに充電分極が生じている事態が生じることを抑制できるようにした発電機の制御装置を提供する。【解決手段】CPU42は、充放電電流Iに基づきバッテリ30の充電率SOCを算出し、充電率SOCを目標充電率SOC*にフィードバック制御するための操作量として、オルタネータ20の発電指示電圧を算出する。CPU42は、充電率SOCに基づき、充電率SOCが小さい場合に大きい場合よりも大きい値となるように発電指示電圧の下限ガード値を算出する。CPU42は、上記操作量が下限ガード値よりも小さい場合、下限ガード値を発電指示電圧に代入する。【選択図】図1
CONTROL DEVICE OF POWER GENERATOR
発電機の制御装置
2019-06-20
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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