PROTECTIVE DEVICE, POWER STORAGE DEVICE, AND REDUCTION METHOD OF CONTACT RESISTANCE OF RELAY

To provide a relay that suppresses contact resistance caused by an increase in an oxide film when the CLOSE state continues for a long time.SOLUTION: A protective device 120 includes a relay 130 having a contact 130 that opens and closes a current path of a cell 60, and a control device 145 that con...

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Hauptverfasser:	SHIRAISHI TAKAYUKI, UMEDA AKIHITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS SYSTEMS FOR STORING ELECTRIC ENERGY
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Zusammenfassung:	To provide a relay that suppresses contact resistance caused by an increase in an oxide film when the CLOSE state continues for a long time.SOLUTION: A protective device 120 includes a relay 130 having a contact 130 that opens and closes a current path of a cell 60, and a control device 145 that controls the relay 130, and the control device 145 executes a reduction process for reducing the contact resistance of the relay 130.SELECTED DRAWING: Figure 5 【課題】リレーは、ＣＬＯＳＥ状態が長時間継続すると酸化被膜により接点抵抗が増加する。その結果としてリレーでの抵抗損失が多くなるため、リレーでの抵抗損失を抑制すること。【解決手段】保護装置１２０は、セル６０の電流経路を開閉する接点１３０を有するリレー１３０と、前記リレー１３０を制御する制御装置１４５とを備え、前記制御装置１４５は、前記リレー１３０の接点抵抗を低減する低減処理を実行する。【選択図】図５