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Gear Reducer
Manufacturer Since 1997

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Brushless DC Motor

Categories: Latest NewsRelease time: 2015-09-23 09:57:00
Source: ZHAOWEIEditor: ZHAOWEI Author: ZHAOWEI

   As more and more applications rely on the brushless DC motor – medical equipment, home appliances, building controls and industrial automation – there's increased pressure to increase their energy efficiency. 

A brushless DC motor is a rotating electric machine with a classic three-phase stator like that of an induction motor. The rotor has surface-mounted permanent magnets. Polarity reversal is achieved by power transistors that switch in synch with the rotor position. Rectangular voltage strokes coupled with the given rotor position are what drive the brushless DC motor. The generated stator flux interacts with the rotor flux, which defines the torque and the motor's speed.

electric curtains gearbox(Low Noise)

Key Characteristics Brushless DC Motor

1. Commutation occurs on windings

2. High reliability: no brush wear

3. High efficiency

4. Low EMI

5. Medium construction complexity with multiple fields, delicate magnets

6. Driven by multi-phase inverter controllers

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