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EC & DC FANS
- EC Controller Technical SolutionAug 13,2025Technical Solution
The overall controller scheme adopts a topology structure of three-phase rectification, power inverter, and signal control.
The three-phase power supply is rectified by diodes to become a stable DC voltage.
The inverter part formed by six power switching devices is connected with the motor winding.
Some controller parameters
Input voltage:3~ 380-480VAC
Input frequency:50/60Hz
Input power:5.2kW
Input current:8A
Input current:0.95 - Brushless controller for EC and DC FansAug 1,20251, RS485 hardware interface: baud rate 19200,8E1.
2, Modbus RTU:A globally recognized free standard protocol.
3, Maximum number of fans: up to 247 units.
PC software compatibility: The 485 converter can be easily connected to the configuration software on the PC to reconfigure the fan’s parameters.
Remote online monitoring: Through a suitable converter, the real-time operation status of the fan can be remotely monitored.
News
- The fan used on the evaporator, the key point of attention.Aug 9,2027We pay attention to : Quantify Match Verify Maintain Evaluate Lifecycle Cost
- ERP2026 New RulesOct 16,2026Starting from 24 July 2026, all fans placed on the EU market as individual product shall comply with the new regulation. From 24 July 2027, fans integrated into HVAC equipment, refrigeration equipment and ventilation systems shall follow the same requirements. All fans shall meet the minimum Fan Energy Grade (FEG) specified under the new regulation.
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