Centrifugal switch is an important component in the field of motor control, its working principle and common problems are worthy of further study. This article will explain how it works and address some common problems.

First, the working principle of the centrifugal switch is based on the action of centrifugal force. When the motor is started, due to the inertia of the rotor, the contacts are in a closed state, allowing current to pass through the motor. With the increase of the motor speed, the centrifugal force gradually increases, when a certain speed is reached, the contact is disconnected under the centrifugal force, and the motor current is cut off. This process is automatic and can effectively protect the motor from overload.

In the course of long-term use, centrifugal switches may have some common problems. Such as poor contact, mechanical wear and electrical failure. These problems may cause its performance to decline or failure, affecting the normal start of the motor and overload protection function. In order to solve these problems, regular inspection and maintenance are needed to ensure that it works properly.

In addition, for some specific types of motors, such as variable pole or variable frequency motors, centrifugal switches may need to be specially designed and configured according to the characteristics and requirements of the motor. This can ensure the best match between the centrifugal switch and the motor, and improve the performance and reliability of the motor.

In general, centrifugal switches are an important part of motor control. In order to ensure the normal operation of the motor and extend its service life, we need to understand its working principle and common problems, and take corresponding maintenance and maintenance measures.