Description
AC830 Series Four-quadrant Inverter Overview
AC830 series four-quadrant inverter cabinet belongs to VEICHI’s four-quadrant frequency conversion speed regulation product technology platform. It adopts ARM+FPGA dual control architecture, ultra-efficient and energy-saving drive. The AFE active rectification feedback scheme is adopted to effectively reduce the harmonic content on the grid side. Perfect without harmonics, full drive and full control, compatible with the drive control of asynchronous motors, synchronous motors, and high-speed motors.

AC830 series four-quadrant inverter features
1. Excellent control performance.
2. Convenient debugging method.
3. Multiple fault handling and protection.
High-performance control platform
The AFE active rectification feedback scheme is adopted to reduce the harmonics on the grid side. It can realize high-speed and high-precision loop control operation to ensure the excellent dynamic response capability and control accuracy of the drive system.
Various control methods
VF control, open loop vector and closed loop vector.
Suitable for various types of loads
Asynchronous motors, synchronous motors, reluctance motors and high-speed motors.
High precision and fast response
Speed accuracy: ±0.01% of rated synchronous speed
Torque response: ≤5ms.
Excellent four-quadrant feedback capability
Active rectification four-quadrant inverter is equipped with LCL PWM filter unit, which can effectively reduce the harmonic content on the grid side.

Debug host computer adapted to working conditions

1. The VCSoft software has a friendly interface and is easy to use without any system expertise.
2. The debugging engineer operates through the graphical interface and menu. Simple configuration, parameter setting, fault detection, system maintenance and service of complex systems can be completed in a short time.
3. The trend record of up to 8 signals can be completed, which simplifies the diagnosis and optimization of the inverter.
4. The high-speed data recorder inside the VCU controller can be accessed, and the information of the 50 observed objects before and after the failure will be completely restored. It can help debugging engineers locate faults efficiently and optimize the process control process of the production line.
Convenient and fast multi-function keyboard

Comprehensive multiple protection
Functional safety protection
The STO-Safe Torque Off function can be configured. Through hardware circuit detection, the IGBT drive pulse is blocked to disconnect the motor power supply, to prevent the motor from accidentally starting, and to ensure the safety of personnel and equipment.
Inverter protection
Short circuit, overcurrent, overvoltage, undervoltage, phase loss, overheating, overload, encoder disconnection, etc. up to 30 kinds of setting protection.
Motor protection
Support PT100 temperature detection protection.
Fault classification and classification management
According to the fault situation, combined with many years of application experience, the fault management is classified and classified to reduce the number of fault downtimes.

The Application of AC830 Series Four-quadrant Inverter
It is widely used in metallurgy, petroleum, mining, shipbuilding, power supply and other industries.















