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Suzhou Veichi Electric Co., Ltd.
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VEICHI - Model ACH200 Series - Medium ...

VEICHI - Model ACH200 Series -Medium Voltage AC Drive

The ACH200 Series Medium Voltage AC Drive by VEICHI Electric represents the third generation of high-performance vector-type AC drives. Leveraging years of technical development and in-depth market study, this drive is equipped with a DSP+FPGA dual-core control system that offers high control precision, rapid dynamic response, and substantial low-frequency output torque. Designed for demanding industrial applications like fans, pumps, compressors, and ball mills, the ACH200 series utilizes advanced vector control algorithms to ensure reliable operation, high starting torque at low frequencies, and enhanced energy efficiency. This drive also integrates sophisticated features, including dead-time compensation technology for near-sine wave current waveform at low frequency, low-frequency oscillation suppression, and comprehensive motor protection mechanisms. Furthermore, the ACH200 supports various communication protocols like CAN and fiber optics for real-time synchronization and consistency across multiple machines, making it ideal for complex industrial setups. Its robust design ensures seamless operation during power grid fluctuations and instantaneous power cuts, while its harmonic-free technology preserves power quality. The device also supports multiple unit bypass methods and extensions to cater to specific operational needs, ensuring versatility and reliability across different industrial sectors including metallurgy, electricity, mining, and oil and gas.

ACH200 Medium Voltage AC Drive Overview

ACH200 series products 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.

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.

Metallurgy

Sintering main exhaust fans,converter dedusting fans, blast furnace blowers, sulphur dioxide blowers, circulating coolers, combustion fans, slag flushing pumps, phosphorus removal pumps, etc,.

Electricity

Water feeding pumps, condensate pumps, water circulating pumps, air feeders, induced draft fans, primary fans, secondary fans etc,.

Mines

Main fans, gas extraction pumps, compressors, belt machines, ball mills, crushers, etc,.

Oil and Gas

Oil transporting pumps, water injection pumps, compressors, other fans and pumps, etc,.

Chemistry

Oil transporting pumps, water injection pumps, compressors, booster pumps, etc,.

Building Materials

High-temperature fans at kiln end, exhaust fans at kiln head, coal mill fans, cement mill circulating fans, dust exhaust fans, ball mills, crushers, etc,.

Municipal Administration

Aeration blowers, water supply pumps, water feeding pumps, induced draft fans, air feeders, etc,.

Others

Wind tunnel test fans, shore power supplies, internal mixers etc,.

Input

Voltage level : 3kV/3.3kV/6kV/6.6kV/10kV/11kV
Voltage fluctuation range: -15%~+10%
Voltage frequency: 50/60Hz；±5%
Power factor: ≥ 0.97（at full load）
System efficiency: ≥ 96%（at full load）
Current harmonics: ≤4%

Output

Voltage range: 0~rated input voltage
Frequency range: 0~120Hz(customizable)
Current harmonics: ≤4%

Control Power:

Voltage range: Three-phase four-wire 380V，±10%，50/60Hz
Rated capacity: No lower than10kVA