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NEMA (National Electrical Manufacturers Association) contactors and motor starters are rated by sizes. These sizes are grouped by rated current and power . [ 1 ] [ 2 ]
The EngineUS 45 motor produce 70 kW (94 hp) maximum and 45 kW (60 hp) continuously, has a power-to-weight ratio of 2.5 kW/kg at 2,500 rpm and an efficiency over 94%. [ 1 ] Applications
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 ...
In terms of power, the E10X is powered by a selection of two electric motors rated at 41 PS (40 hp / 30 kW) and 61 PS (60 hp / 45 kW). [5] The max torque of the motors respectively amounts to 95 Nm (70 lb-ft) and 150 Nm (110 lb-ft). Both variants top out at 102 km/h (63 miles per hour) and drive the front axle.
In diesel-electric and gas turbine-electric locomotives, the horsepower rating of the traction motors is usually around 81% that of the prime mover. 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.
An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.
Their application can be from 3 horsepower (2.2 kW) to over 1,200 horsepower (890 kW) and from low pressure to moderately high pressure (>1,200 psi or 8.3 MPa). The classifications of rotary screw compressors vary based on stages, cooling methods, and drive types among others. [ 8 ]
Premium efficiency, when used in reference to specific types of Electric Motors (with a rotating shaft), is a class of motor efficiency.. As part of a concerted effort worldwide to reduce energy consumption, CO 2 emissions and the impact of industrial operations on the environment, various regulatory authorities in many countries have introduced, or are planning, legislation to encourage the ...