With the popularity of industrial automation, the application of frequency converters has become more and more extensive, and the speed control of the frequency converter to the motor is becoming more and more common. The motor controlled by the frequency converter should use a special motor for frequency conversion speed regulation, and run stably at the set speed. The frequency conversion speed regulation special brake motor is to meet the requirements of the brake motor under the frequency conversion speed regulation condition of the frequency converter.

After an ordinary motor is used for a long time, the stator enameled wire is easy to age, causing the motor to break down and become unusable. Especially the low-frequency speed regulation, the motor speed is low, and the cooling effect is obviously reduced, which causes the motor heat to be unable to dissipate, which is easy to cause by long-term operation. The frequency conversion special motor adopts frequency conversion special stator and rotor, special enameled wire and lead wire, and there is a cooling fan with independent power supply at the end of the motor to ensure good heat dissipation effect at low speed of the motor. Therefore, the brake motor controlled by the frequency converter uses a special motor for frequency conversion and speed regulation, which can be durable.

Precautions for the use of brake motors

1. At low speed, the motor fan blade speed is low, the heat generated by the motor cannot be quickly dissipated, and the motor cannot be used continuously for a long time.

2. The brake is disconnected from the motor terminal and connected to the industrial frequency power supply separately.

3. When the rated frequency of the motor is exceeded, the speed of the fan blades of the motor becomes higher, and the high-speed rotation of the blades of the motor consumes part of the power, and the output power of the motor becomes lower, which can only be used for power reduction.

4. When the frequency converter is used to control the brake motor, the brake ensures synchronization. When starting, when the motor is started by the inverter, the brake is energized; when braking, the inverter quickly reduces the speed of the motor. When the motor stops rotating, the brake is de-energized and braked. When the inverter controls the motor, it is very important to control the time when the brake is energized and de-energized.

When the motor with brake is controlled by the inverter, the brake is synchronized. Ways to check whether it is synchronized:

1. After the equipment is used normally, smell whether there is a burning smell at the tail of the brake motor;

2. Open the motor cover and check whether the brake disc is worn.

3. When braking, the motor cannot stop immediately after hearing the "dang" brake sound, it can be judged that the brake is cut off prematurely.