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  2. Brushless DC electric motor - Wikipedia

    en.wikipedia.org/wiki/Brushless_DC_electric_motor

    A brushless DC electric motor (BLDC), also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields that effectively rotate in space and which the permanent magnet rotor follows.

  3. Emrax 228 - Wikipedia

    en.wikipedia.org/wiki/Emrax_228

    The Emrax 228 is a brushless 130 volt design producing a peak of 100 kW (134 hp), 55 kW (74 hp) continuous, with an outrunner coil. It has a 98% efficiency. It has a 98% efficiency. The low working rpm of the engine means that it can turn a propeller at efficient speeds without the need for a reduction drive .

  4. Vector control (motor) - Wikipedia

    en.wikipedia.org/wiki/Vector_control_(motor)

    In vector control, an AC induction or synchronous motor is controlled under all operating conditions like a separately excited DC motor. [21] That is, the AC motor behaves like a DC motor in which the field flux linkage and armature flux linkage created by the respective field and armature (or torque component) currents are orthogonally aligned such that, when torque is controlled, the field ...

  5. Siemens SP260D - Wikipedia

    en.wikipedia.org/wiki/Siemens_SP260D

    The SP260D is a brushless design producing 261 kW (350 hp), with an inrunner coil. It has a 95% efficiency. It has a 95% efficiency. The low working rpm of the engine means that it can turn a propeller at efficient speeds without the need for a reduction drive .

  6. Outrunner - Wikipedia

    en.wikipedia.org/wiki/Outrunner

    The stationary (stator) windings of an outrunner motor are excited by conventional DC brushless motor controllers. A direct current (switched on and off at high frequency for voltage modulation) is typically passed through three or more non-adjacent windings together, and the group so energized is alternated electronically based upon rotor position feedback.

  7. Brushless DC motors - Wikipedia

    en.wikipedia.org/?title=Brushless_DC_motors&...

    Download as PDF; Printable version; In other projects Appearance. move to sidebar hide. ... Redirect page. Redirect to: Brushless DC electric motor; Retrieved from ...

  8. Axial flux motor - Wikipedia

    en.wikipedia.org/wiki/Axial_flux_motor

    An axial flux motor (axial gap motor, or pancake motor) is a geometry of electric motor construction where the gap between the rotor and stator, and therefore the direction of magnetic flux between the two, is aligned parallel with the axis of rotation, rather than radially as with the concentric cylindrical geometry of the more common radial ...

  9. Motor constants - Wikipedia

    en.wikipedia.org/wiki/Motor_constants

    The rating of a brushless motor is the ratio of the motor's unloaded rotational speed (measured in RPM) to the peak (not RMS) voltage on the wires connected to the coils (the back EMF). For example, an unloaded motor of K v {\displaystyle K_{\text{v}}} = 5,700 rpm/V supplied with 11.1 V will run at a nominal speed of 63,270 rpm (= 5,700 rpm/V ...

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