To completely prevent an adverse effect at fuse melting even with a very simple configuration.SOLUTION: A magnetic field is generated at an arc region using a discharge current by arc discharge of a melting part 2a in a melting state of a fuse 2 to extend the path of an arc 5 to be longer with the generated magnetic field for rapid arc-extinguishing.SELECTED DRAWING: Figure 1
【課題】極めて簡単な構造としながら、ヒューズ溶断時の弊害を確実に防止する。【解決手段】ヒューズ2が溶断された状態における溶断部2aのアーク放電による放電電流を利用してアーク領域に磁界を発生し、発生する磁界でアーク5の経路を長く引き伸ばして速やかに消弧する。【選択図】図1
ARC-EXTINGUISHING METHOD OF FUSE, FUSE AND POWER SUPPLY DEVICE WITH FUSE
ヒューズの消弧方法とヒューズ、及びヒューズを備える電源装置
2022-03-08
Patent
Electronic Resource
Japanese
IPC: | H01H Elektrische Schalter , ELECTRIC SWITCHES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / 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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