The electric motor with electronic commutation (EC motor) is a high efficient synchronous direct current motor driven by an electronic com-mutating unit (controller).
It has no friction and wearing parts as collector or brushes, unlike the standard motor. The function of these parts is performed with the maintenance-free electronic circuit of the EC controller.
The EC technology is the state-of-the-art method for arrangement of energy saving and high efficient ventilation.
The energy demand of EC motors is by 50 % less as compared to standard motors and efficiency reaches 90 %.
ADVANTAGES OF EC MOTORS:
- Efficient performance at any rotation speed of the fan, including very low speed.
- Low heat emission.
- Small overall dimensions of the unit due to external rotor design.
- Maximum fan rotation speed does not depend on frequency in the grid.
- The fan is suitable for connection both to 50 Hzand 60 Hz power mains.
- High efficiency at low rotation speed.Energy demand is by 1/3 less as compared to standard motors.
- Data interchange between PC and fan for parameter setting and control.Integration of all fans into a unified system and their centralised control.
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