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Function introduction of variable frequency control cabinet

1. Power switching and protection functions of variable frequency control cabinet

The variable frequency control cabinet is usually designed with circuit breaker components, which are connected with the incoming power supply, which can help the variable frequency control cabinet to complete the on-off operation of the circuit, and can provide protection in the case of short circuit or overload of the circuit and frequency converter.In addition frequency conversion cabinet can also cut off the power supply in the motor maintenance to ensure the safety of operators.

2. Variable frequency speed regulation function of variable frequency control cabinet

On the control panel of the frequency conversion control cabinet, there is a potentiometer with frequency conversion speed regulation, which can transmit command signals to the motor according to the output frequency of operators and control the speed of the motor.Some products in the frequency conversion control cabinet are equipped with power frequency switching function to ensure that the motor can be switched back to power frequency power through the automatic control loop in case of frequency converter failure.

3. Visual control function of variable frequency control cabinet

The cabinet body of frequency conversion control cabinet is designed with display equipment and operation panel, which is connected with the electrical components inside the frequency conversion control cabinet. It can visually display the running state of frequency conversion control cabinet, and at the same time, it is convenient for operators to control the operation of frequency conversion device and carry out on-site operation of motor and other controlled equipment.

Variable frequency control cabinet on the cabinet, but also installed with a variety of instruments and indicators, such as voltmeter, ammeter, frequency meter, and power indicator, alarm indicator, operation indicator, power frequency indicator.The running and operating state of the frequency conversion control cabinet can be directly reflected on the various instruments and indicator lights to realize the real-time monitoring of the working state of the frequency converter.

4. Safety protection function of variable frequency control cabinet

Variable frequency control cabinet all kinds of electrical components including frequency converter are concentrated in the cabinet, which can reduce the impact of external environment on electrical components, reduce the degree of environmental pollution of electrical components, also reduce the risk of electric shock of the operator of variable frequency control cabinet, so it has a better safety protection effect.

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