Contact breaker electrical arc protection having contacting electrodes with one conductor having electrical conductor deforming during closure
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Winding fault diagnosing method for three-phase power transformer, involves determining relative variation of resonant frequency greater than specific frequency by comparing two voltage gains
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Medium or high voltage circuit breaker comprising an interrupter chamber with improved dielectric content
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Method for synchronized closing of a citrcuit breaker
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Static limit switch for operating a circuit breaker
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Circuit breaker with closing resistor
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Method of controlling and diagnosing the operation of a high voltage electrical apparatus
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Discharge preventing cap
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Edge to edge sealed connexion of two components, in particular for pressurised gas container
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Procedure for monitoring the electrical wear of section switches in a high voltage station
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Protection for a three-phase distribution transformer immersed in a dielectric fluid
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Self-monitoring circuit, especially for electrical apparatus and in particular for an SF6 high-voltage circuit breaker
