MOTOR STARTER, OPERATING METHOD, COMPUTER PROGRAM PRODUCT AND MOTOR STARTER ARRANGEMENT
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United States of America Patent
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Issued Date -
Jun 20, 2019
app pub date -
Dec 18, 2018
filing date -
Dec 19, 2017
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Abstract
A motor starter for operating an electric motor connected to a multiphase power supply includes a semiconductor switch arranged in a current-carrying phase of the multiphase power supply, and an electromechanical switch arranged in parallel relation to the semiconductor switch in the current-carrying phase. The electromechanical switch includes a movable switching piece configured tiltable to reduce a current gradient in the semiconductor switch.
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