METHOD OF DETECTING FORWARD AND REVERSE CONNECTION OF THREE-PHASE MOTOR AND SOLID-STATE MOTOR STARTER
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Nov 27, 2023
filing date -
Nov 27, 2023
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Abstract
A method of detecting forward and reverse connection of a three-phase motor is disclosed, including: turning on a first solid-state switch pair and a second solid-state switch pair into conduction for a predetermined period of time so that current can flow between a power supply and the three-phase motor; detecting output current of a solid-state motor starter; and determining the forward and reverse connection state of the three-phase motor based on the output current of the solid-state motor starter, in a case that currents exist at a first output terminal and a second output terminal, it is determined that the three-phase motor is in the forward connection state, and in a case that currents exist at the first output terminal and a third output terminal, it is determined that the three-phase motor is in the reverse connection state. Furthermore, a solid-state motor starter is disclosed.
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