GAP ADJUSTING GAUGE AND MOUNTING METHOD OF LIGHTNING PROTECTION DEVICE USING THE SAME

PROBLEM TO BE SOLVED: To enable a lightning protection device to be installed at an insulator so that a prescribed gap length can be obtained by a simple and easy means even at a mounting site or the like. SOLUTION: The lightning protection device 4 equipped with a current limiting element having no...

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Bibliographische Detailangaben
Hauptverfasser:	FUJII HIROYUKI, AKAHO TOMOAKI, TAKAYAMA TORU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS CORONA DEVICES ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES INSULATORS OVERVOLTAGE ARRESTERS USING SPARK GAPS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SPARK GAPS SPARKING PLUGS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enable a lightning protection device to be installed at an insulator so that a prescribed gap length can be obtained by a simple and easy means even at a mounting site or the like. SOLUTION: The lightning protection device 4 equipped with a current limiting element having non-linear current-voltage characteristics is installed via a mounting fitting 12 at a ground side site of the insulator to support a power transmission electric wire 1. When an element side electrode 8 of the lightning protection device 4 is opposingly installed at an electric wire side electrode installed at the power transmission electric wire 1 via a discharging gap 11, by mounting the base end part of a removable gap adjusting gauge 13 on the element side electrode 8 of the lightning protection device 4 and by positioning the tip end part of the gap adjusting gauge 13 against the electric wire side electrode, the lightning protection device 4 is positioned in such a state that a gap length G of the discharging gap 11 is regulated, and after that, the gap adjusting gauge 13 is pulled out and removed.