Power conversion device, temperature estimation method, and non-transitory computer readable storage medium with an executable program recorded thereon

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United States of America Patent

PATENT NO 12123900
SERIAL NO

17443998

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Abstract

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A power conversion device includes a power conversion circuit including a temperature sensor configured to detect a temperature at a sensor position and a switch configured to switch a connection on and off at a switch position separated from the sensor position; a loss calculation processing circuitry configured to calculate a power loss in the switch; a loss correction processing circuitry configured to correct a calculation result of the power loss on the basis of a detection result of the temperature at the sensor position; a temperature correction processing circuitry configured to correct the detection result of the temperature on the basis of the calculation result of the power loss; and a temperature estimation processing circuitry configured to estimate a temperature at the switch position on the basis of a corrected calculation result of the power loss and a corrected detection result of the temperature.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA YASKAWA DENKI2-1 KUROSAKI-SHIROISHI YAHATANISHI-KU KITAKYUSHU-SHI FUKUOKA 806-0004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baloch, Noor Aamir Kitakyushu, JP 4 3
Inomata, Kentaro Kitakyushu, JP 23 111
Nakamichi, Tokuma Kitakyushu, JP 1 1
Rui, Hengbin Kitakyushu, JP 1 1

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