DISCHARGE GAP STRUCTURE FOR LIGHTING ARRESTERS

Discharging gap structures are disclosed including two discharge electrodes disposed in divergently spaced, opposite relationship. End portions of the electrodes define a minimum gap size and each have a radius of curvature less than the minimum gap size. The radius of curvature is not greater than...

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Bibliographische Detailangaben
Hauptverfasser:	SHIBUYA Y,JA, FUJIWARA Y,JA, YAMADA N,JA, NITTA T,JA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CORONA DEVICES ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES OVERVOLTAGE ARRESTERS USING SPARK GAPS SPARK GAPS SPARKING PLUGS
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Beschreibung
Zusammenfassung:	Discharging gap structures are disclosed including two discharge electrodes disposed in divergently spaced, opposite relationship. End portions of the electrodes define a minimum gap size and each have a radius of curvature less than the minimum gap size. The radius of curvature is not greater than 0.3 of the minimum gap size and smaller than that of the other end portions of the electrodes defining a larger gap size. An arc-extinguishing plate may be positioned 15 mm or more from the electrodes with a space adjacent the electrodes filled with 0.1 gram or more of SF6 gas.