TEST BLOCK WITH FARADAY CAGE
There is described a test block intended to be implanted in the circuit connecting an apparatus to be tested such as an electricity meter or a protective relay and a power source supplying the apparatus to be tested such as an intensity sensor and/or a voltage sensor, the test block comprising a bas...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | There is described a test block intended to be implanted in the circuit connecting an apparatus to be tested such as an electricity meter or a protective relay and a power source supplying the apparatus to be tested such as an intensity sensor and/or a voltage sensor, the test block comprising a base including a plurality of inner electric circuits capable of allowing the transmission of information from the power source to the apparatus to be tested and a protective cover intended to be removably assembled with the base in order to form a closed enclosure in which the inner electric circuits are housed. The base and the protective cover are configured such that the removal of the protective cover gives access to a receiving site delimited by the base and capable of receiving, by plugging, a test plug independent of the test block and electrically linked to a test equipment, in particular a voltmeter and/or an ammeter and/or a dummy current source. The base and the protective cover comprise electrically conductive elements linked to each other and configured so as to ensure a continuity and magnetic shielding closure such that the enclosure delimited by the base and the protective cover is a Faraday cage protecting the inner electric circuits relative to the magnetic fields external to the enclosure delimited by the base and the protective cover. |
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