ABB frequency converter maintenance

BB inverter is a well-known inverter brand developed, produced and sold by BB Group. It is mainly used to control and adjust the speed of three-phase AC asynchronous motors, with its stable performance, rich combination of functions, high-performance vector control technology, low-speed and high-torque output, and good dynamics. Characteristics and super overload capability occupy an important position in the frequency converter market.
) 3 series inverter:
A common fault of this series of inverters is damage to the switching power supply. Due to the appearance of peak voltage, the integrated block of the switching power supply is damaged.
Easier to damage In addition, the switching power supply may also be damaged due to the aging of the filter capacitor.
Communication faults and faults between the 3 series main control board and the control panel are difficult to eliminate.
) series inverters:
The more common faults are damage to the drive board, damage to the fan, etc. It is common for the thick film on the driver board to be damaged. We repair the thick film frequently because this accessory is often missing.
3) Series frequency converter:
Its common fault shows r, sometimes the optical fiber is damaged, but the board,
/board damage is also possible. In addition, faults such as switching power supply and output short circuit are also common.