PROBLEM TO BE SOLVED: To provide a railway vehicle driving system comprising a power accumulation apparatus, in which frequency of output restriction may be reduced while increase of reversible resistance in the power accumulation apparatus is suppressed.SOLUTION: The present invention relates to that a square relating value of electric current charged to/released from a railway vehicle power accumulation apparatus consisting of a plurality of power accumulators is controlled to be an upper limit value or less which is changed every time on elapse of a period. According to the present invention, the upper limit value of the square relating value for electric current of the power accumulation apparatus is changed every time on elapse of a period, thus frequency of output restriction may be reduced while suppressing increase of reversible resistance.SELECTED DRAWING: Figure 2
【課題】本発明の目的は、蓄電装置の可逆抵抗上昇を抑制しつつ、出力制限の頻度を低減できる蓄電装置を備えた鉄道車両用駆動システムを提供することに関する。【解決手段】本発明は、複数の蓄電池から構成される鉄道車両用蓄電装置に充放電される電流の二乗関連値が、ある期間毎に変更された電流の二乗関連値の上限値以下となるように制御することに関する。本発明によれば、蓄電装置の電流の二乗関連値の上限値を期間毎に変更するため、可逆抵抗上昇を抑制しつつ、出力制限の頻度を低減できる。【選択図】図2
RAILWAY VEHICLE DRIVING SYSTEM AND CONTROLLING METHOD OF RAILWAY VEHICLE POWER ACCUMULATION APPARATUS
鉄道車両用駆動システムおよび鉄道車両用蓄電装置の制御方法
2018-11-15
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / 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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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