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The Electra 1 is a brushed 74 volt design producing 14 kW (19 hp). It has an 85% efficiency. It has an 85% 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 .
There is no defined minimum output, however, it is generally accepted that a motor with a frame size of less than 35mm square can be referred to as a 'micro-motor'. Fractional-horsepower electric motors are exempt from the US Energy Policy Act of 2005 and the new EN 60034-30:2009 [1] ruling of European directive 2005/32/EC [2] concerning the ...
700 horsepower Brown-Boveri-Déri repulsion motor with 10 poles to be used with 12 kV, 16 2/3 Hz single phase current. Two of these motors were used in the French electric locomotive Midi E3301. A repulsion motor is a type of electric motor which runs on alternating current (AC).
This motor has a smaller footprint compared to the EM61, allowing for 11.7 kg of weight savings in the inverter/motor package. [1] The motor also trades some peak torque for a more efficient power range. [2] It peaks at 250Nm of torque and has a max rpm of 10,500. It is used in the following electric vehicles: Nissan Leaf (AZE0 2013–2017)
The switched reluctance motor (SRM) is a type of reluctance motor. Unlike brushed DC motors , power is delivered to windings in the stator (case) rather than the rotor . This simplifies mechanical design because power does not have to be delivered to the moving rotor, which eliminates the need for a commutator .
Electric motors have efficiencies ranging from around 15%-20% for shaded pole motors, up to 98% for permanent magnet motors, [101] [102] [103] with efficiency also dependent on load. Peak efficiency is usually at 75% of the rated load. So (as an example) a 10 HP motor is most efficient when driving a load that requires 7.5 HP. [104]
The Power Drive 60 is part of a family of scalable electric motor designs produced by Yuneec. The family of engines is designed to use the company's own power controller, Lithium polymer battery pack and charger, as an integrated package of components. This ensures that all components are compatible and also removes the need for aircraft ...
This assumes that the electrical generator converts 90% of the engine's output into electrical energy and the traction motors convert 90% of this electrical energy back into mechanical energy. [citation needed] Calculation: 0.9 × 0.9 = 0.81 Individual traction motor ratings usually range up 1,600 kW (2,100 hp).
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