The first case is overvoltage protection, which takes effect when the motor's regenerative voltage increases, thereby reaching the overvoltage detection value of the main circuit's DC voltage.
Some inverters can only protect specific motor types, while others may not provide excellent protection for other motors. Therefore, it is vital to verify the issue thoroughly during inverter modeling.
Additionally, when one inverter drives multiple motors, each motor must be equipped with its thermal overload relay.
In actual application, it has been observed that different brands of inverters offer diverse functions and varying control and protection effects for motors.
To guarantee the safety of motor operation and the overall operational effectiveness, it is imperative to choose and match an ideal inverter.
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