The Schematic Structure of EC Motors

Rosenberg EC motors (EC = electronically commutated) are inverter-fed synchronous motor with permanent magnets in external rotor design.

The AC mains voltage is rectified in the commutation electronics of the EC motor. A downstream inverter provides the motor with the motor voltage depending on the position, similar to the principle of a frequency inverter. In opposite to this, all parameters are already optimally matched to each other. The intelligent EC commutation electronics decide how the motor phases in the stator are supplied with current (commutation) depending on the position, direction of rotation and speed specification. Permanent magnets generate the magnetic counter field in the rotor. The torque required for rotation is generated from the interaction of the stator and rotor fields. A mounting flange on the rotor is used for stable impeller mounting. The simple and quick electrical connection is made either via a terminal box with cable glands or a connection cable, depending on the motor series. The use of deep-groove ball bearings closed on both sides with specially matched greasing ensures maintenance-free and low-noise operation. The winding insulation corresponds to thermal class F.

Through the use of intelligent electronics, a wide variety of control and regulating functions can be taken over by the EC motor depending on the area of application (infinitely variable speed control, pressure control, volume flow control, temperature control, air quality control).

Advantages:

  • High Efficiency
  • Low power consumption
  • Integrated monitoring function
    (motor temperature, locked rotor and many more)
  • Simple connection (Plug & Play)
  • Expanded functionality (pressure control and many more)
  • Compact design

EC Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To learn more about EC Motors and general EC technology, view our technical page.

 

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