ACH200 Series are the third generation of high-performance high-voltage vector-type AC drive made by VEICHI Electric on years of technical accumulation and in-depth market research and demand analysis, which adopts mature power unit series technology, DSP+FPGA dual core control, vector control algorithm, to deliver high control accuracy, fast dynamic response, large low frequency output torque etc. It is widely used in fans, pumps, compressors, belt machines, ball millscrushers and other load occasions, providing the drive core for energy saving and emission reduction to meet the diversified needs of industrial enterprises.
Key Features:
1. High-performance control platform.
2. Start with high torque and low frequency.
3. Excellent low frequency control performance.
4. Stall protection for full frequency.
5. Advanced interfere-free switching technology.
6. Remote diagnosis.
7. Ride-through design between low and high voltage.
8. Perfect harmonic-free design.
9. Multiple unit bypass methods.
High-performance control platform:
DSP+FPGA dual-chip control structure, control algorithms implemented by DSP, and external signals such as IO, bus and encoder processed by FPGA in parallel. High-speed and high-precision loop control ensures the excellent dynamic response capability and control accuracy.
Start with high torque and low frequency:
Open-loop vector control: 0.5Hz 150% starting torque.
Closed-loop vector control: 0Hz 200% starting torque.
200% rated torque output at 0Hz for IPM motors under open-loop control by highfrequency signal injection.
Industrial Applications:
Metallurgy
Electricity
Mines
Oil and Gas
Chemistry
Building Materials
Municipal administration