To provide a technology that minimizes the impact on operations, such as power shortages and deterioration of electricity costs, due to charging/discharging current limitations.SOLUTION: A storage battery system includes a battery temperature and charging rate prediction unit that predicts battery temperature and charging rate from operation information, storage battery information, and weather information, an overtemperature determination unit that determines whether the battery temperature predicted by the battery temperature and charging rate prediction unit is within a battery usable temperature range, a power shortage determination unit that determines whether the charging rate predicted by the battery temperature and charging rate prediction unit is a charging rate that allows driving, and an upper limit charging current value determination unit that outputs an upper limit charging current value at which the overtemperature determination unit determines that the battery temperature is within the battery usable temperature range, and the power shortage determination unit determines that the charging rate is at a charging rate that allows driving.SELECTED DRAWING: Figure 2
【課題】充放電電流制限による電欠や電費悪化等の運行への影響を最小限に抑える技術を提供する。【解決手段】蓄電池システムは、運行情報、蓄電池情報及び気象情報から電池温度及び充電率を予測する電池温度及び充電率予測部と、電池温度及び充電率予測部で予測された電池温度が電池使用可能温度範囲内であるか判定する過温度判定部と、電池温度及び充電率予測部で予測された充電率が走行可能な充電率であるか判定する電欠判定部と、過温度判定部で電池温度が電池使用可能温度範囲内であると判定され、かつ、電欠判定部で充電率が走行可能な充電率であると判定される上限充電電流値を出力する上限充電電流値決定部とを備える。【選択図】図2
STORAGE BATTERY SYSTEM, RAILWAY VEHICLE, DATA SERVER, AND STORAGE BATTERY SYSTEM CONTROL METHOD
蓄電池システム、鉄道車両、データサーバ及び蓄電池システムの制御方法
2024-02-22
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G16Y / 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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