High voltage frequency converter bypass cabinet is a device used to control and protect high-voltage frequency converters. Its main function is to switch the load from the frequency converter to the bypass cabinet when the high-voltage frequency converter fails or needs maintenance, in order to ensure the safe and stable operation of production and equipment.
In detail:
Definition:
High voltage frequency converter bypass cabinet is a device specifically designed for use with high-voltage frequency converters. It is usually installed between the frequency converter and the motor as a backup or emergency power path.
Function:
Fault switching: When the high-voltage inverter fails, the bypass cabinet can quickly switch the load to the bypass path, thereby avoiding production interruption and equipment damage.
Safety isolation: During maintenance or overhaul of the frequency converter, the bypass cabinet can provide safety isolation to ensure that maintenance personnel can work safely while maintaining the continuous operation of the production line.
Protecting the motor: When the grid voltage is abnormal or the frequency converter does not respond to commands, the bypass cabinet can automatically or manually switch the load to the grid to protect the motor from damage.
Satisfying standards: High voltage variable frequency bypass cabinets usually meet relevant international and national standards, and have "five prevention" interlocking functions such as preventing misoperation and preventing accidental entry into live compartments.