Frequency conversion energy saving of vacuum packaging machine

When the vacuum packaging machine is started, the current of the motor will be 5-6 times higher than the rated value, which will not only affect the service life of the motor but also consume more power. The system will leave a certain margin on the motor selection during design. The speed of the motor is fixed, but in actual use, sometimes it is necessary to run at a lower or higher speed, so it is very necessary to carry out frequency conversion. The frequency converter can realize the soft start of the motor, achieve the purpose of energy saving and speed regulation by changing the input voltage frequency of the equipment, and can provide protection functions such as overcurrent, overvoltage and overload to the equipment.