PARTIAL DISCHARGE DETERMINATION APPARATUS AND PARTIAL DISCHARGE DETERMINATION METHOD
A distribution pattern of a combination of a charge quantity and an occurrence phase angle of each of the partial discharges occurring in one or a plurality of cycle periods of an applied voltage of the power transmission cable is generated, differential data including a difference between the numbe...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A distribution pattern of a combination of a charge quantity and an occurrence phase angle of each of the partial discharges occurring in one or a plurality of cycle periods of an applied voltage of the power transmission cable is generated, differential data including a difference between the numbers of occurrences of the partial discharge for each combination of the charge quantity and the occurrence phase angle in two or more latest distribution patterns is generated, and the degree of progress of the partial discharge is determined based on data of the latest distribution patterns and the differential data. |
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