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Metadata

Data

English[en]
For vacuum circuit breaker, the method of determining whether or not deterioration of the vacuum tube is inspection with the method of frequency withstand voltage, but this method only distinguish the vacuum interrupter arc chamber of the serious deterioration.
Norwegian[nb]
For vakuumkretsbryter er metoden for å bestemme hvorvidt vakuumrøret er forringet eller ikke inspisert med metoden for frekvensstøtspenning, men denne metoden skiller kun vakuumbryterbuekammeret av den alvorlige forringelsen.

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