ARC DETECTION CIRCUIT, SWITCH SYSTEM, POWER CONDITIONER SYSTEM AND ARC DETECTION METHOD
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United States of America
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Jan 9, 2020
app pub date -
Jan 31, 2018
filing date -
Jan 31, 2018
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Abstract
An arc detection circuit that detects an arc that occurs in a transmission path that transmits power from a power supply apparatus to a power conditioner, the arc detection circuit includes: a current detector that detects a current flowing through the transmission path; a storage unit configured to store a base characteristic which is a frequency characteristic of the current flowing through the transmission path when the arc is not present; and an arc determination unit configured to determine whether the arc has occurred based on a result of a comparison between the base characteristic and a detection characteristic which is a frequency characteristic of the current detected by the current detector.
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