Single core means that there is only one conductor in an insulating layer. When the voltage exceeds 35kV, most single core cables are used. The relationship between its core and metal shielding layer can be regarded as the relationship between coil and iron core in the primary winding of a transformer. When the core of a single core cable passes through the current, there will be an aluminum package or metal shielding layer for the cross chain of magnetic lines, resulting in induced voltage at both ends.
The influence of electromotive force In order to prevent the effect of electromotive force due to short circuit, the single core cable must be of sufficient strength.
Single-core means that there is only one conductor in an insulating layer.
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Currently, the commonly used methods of measuring faults include the bridge method (resistance bridge method, capacitance bridge method), standing wave method, pulse method, and the simple method is to use cable fault locator to directly locate.
