CR air conditioning fan solution
Time:2024-06-27
Views:190
Program advantage
The solution responds to the national energy-saving call and requirements, conforms to the development trend of the industry, absorbs modern management methods, and supports networking monitoring:
Drive DC brushless motor, effectively improve the efficiency of fan equipment;
The motor does not require a position sensor, reducing wiring and motor costs;
Speed closed-loop control, improve the dynamic performance of the fan, ensure uniform air volume;
Multiple fault detection to enhance drive stability
.
Support network monitoring, can remotely control fan action and monitor the status of multiple fans, is conducive to scientific management;
Support remote upgrade of fan applications, reducing the cost of upgrading and maintaining equipment
;
Provide special monitoring software "Monitor";
Provide technical support for the whole system solution from drive design, motor drive, networking, monitoring software, etc.
This scheme includes motor drive, network monitoring and computer monitoring software, which is the ideal choice for modern air conditioning fans.
Operating voltage (input)
~220V mains power supply, ±15%, single-phase power
Output power (output)
300W, three-phase output
PFC (Work Factor Correction)
Not implemented in this program, if necessary, please contact Chenran Technology
Electrical isolation
The control stage and power stage are not isolated, and the interface stage is electrically isolated
Protection mode
Over current, over voltage, under voltage, blocked rotation
Master controller
Low cost single controller mode
Relay output
3A 220V AC, 3A 30V DC
Isolate 5V output
5V±3%, 100mA
Communication interface
Electrical isolation RS-485 bus interface
Air conditioning fan drive scheme to control the three-phase DC brushless motor as the core, brushless motor with energy saving, quiet and other advantages, is widely used in air conditioning fans, this scheme in the motor drive has the following table as the specifications:
Table {SEQ table * ARABIC |2} Motor drive specification table
Motor type
Brushless DC motor (BLDC), three-phase
Motor power
300W (Max)
Number of motor poles
unlimited
Rated speed
50~8000RPM, related to the number of motor poles
Motor sensor type
No position sensor is required
Control mode
Speed closed loop control
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