Apparatus and method for diagnosing failure of electromagnetic-inductive power supply apparatus

Abstract

Disclosed are an apparatus and a method for diagnosing a failure of an electromagnetic-inductive power supply apparatus, whereby a failure or not of a power-generation current transformer is diagnosedby comparing values (i.e., of a current, a voltage, power) detected by a sensor current transformer and the power-generation current transformer, and thus the generating efficiency of an electromagnetic-inductive-type power supply apparatus is prevented from being reduced. The disclosed apparatus for diagnosing a failure of an electromagnetic-inductive power supply apparatus detects electrical properties of a power-generation current transformer and a sensor current transformer, scales at least one of a power-generation CT detection value and a sensor CT detection value, and converts same into a power-generation CT converted value and a sensor CT converted value, and diagnoses a current transformer failure or not and power outage or not on the basis of the converted power-generation CT converted value and sensor CT converted value.

Description

technical field [0001] The present disclosure relates to an apparatus and method for diagnosing a fault of electromagnetic induction power supply equipment, and more particularly, to a method for diagnosing whether a current transformer (ie, a generating current transformer or a sensor current transformer) of an electromagnetic induction power supply Apparatus and method for diagnosing faults of electromagnetic induction power supply equipment for faults and whether a power outage has occurred. Background technique [0002] Recently, as interest in power supply methods using the electromagnetic induction phenomenon has increased, various types of electromagnetic induction power supply devices have been developed. [0003] Electromagnetic induction type power supply equipment includes a current transformer installed at a power line in which a large-capacity current flows, such as a power transmission line or a distribution line. The electromagnetic induction type power suppl...

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Problems solved by technology

[0006] There is a problem that the iron core of the current transformer is mainly formed of a metal material, so that when the iron core is exposed to the outside, the surface of the iron core is oxidized by rainwater, condensed water droplets, etc., thereby degrading the characteristics of the iron core

[0007] In addition, there is a problem that the performance of the current transformer is degraded by a mechanical coupling failure when the cores are coupled, a failure of the core itself, etc.

[0008] There is a problem that the power generation efficiency of the electromagnetic induction type power supply equipment decreases due to the decrease in the core characteristics described above

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