The 33rd China International Exhibition on Electric Power Equipment and Technology
Shanghai New International Expo Center (Hall N1 - N5, W4 - W5), PR China 2026 • 12 • 3 - 5

CHANGSHA ATA AUTOMATION CO., LTD.
N4C33
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SOFT STARTER
It covers a full range from low voltage to medium- and high-voltage, with power ratings from hundreds of kilowatts to tens of thousands of kilowatts. The products use thyristors as power components and adopt intelligent control algorithms to achieve smooth starting, effectively suppressing current surges and reducing mechanical stress. They also provide comprehensive protection functions such as overheating, phase loss, and overload protection. They are widely used in industrial fields including petrochemicals, steel, mining, power, and water conservancy, and have leading domestic capabilities in high-power, heavy-load starting scenarios.
VFD
The company's inverter products cover low-voltage and medium-voltage series. The low-voltage inverters adopt vector control technology, with power ratings from 0.4 kW to 3 MW and voltage levels from 200 V to 1140 V. The medium-voltage inverters use multi-cell series connection and directly output 6/10 kV, enabling them to drive standard motors without an output step-up device. System efficiency can reach over 97%. The products feature power cell bypass and S-curve acceleration/deceleration, and are widely used in steel, petrochemical, mining, power, and other industrial fields for precise speed control and energy-saving retrofits.
思源黑体预加载(勿删): CHANGSHA ATA AUTOMATION CO., LTD.