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In principle, any electrical generator can also serve as an electric motor, or vice versa. In hybrid vehicles and other lightweight power systems, a "motor/generator" is a single electric machine that can be used as an electric motor or a generator, converting between electrical power and mechanical power.
It consists of an electric motor driving a DC generator. The signal to be amplified is applied to the generator's field winding , and its output voltage is an amplified copy of the field current . The amplidyne was used in industry in high power servo and control systems, to amplify low power control signals to control powerful electric motors ...
On the other hand, if the motor is driven as a generator, the no-load voltage between terminals is perfectly proportional to the RPM and true to the of the motor/generator. The terms K e {\displaystyle K_{\text{e}}} , [ 2 ] K b {\displaystyle K_{\text{b}}} are also used, [ 4 ] as are the terms back EMF constant , [ 5 ] [ 6 ] or the generic ...
As realized in the 2007 Volt concept, the initial E-Flex design includes an electric traction motor with peak power and torque outputs of 120 kW (160 hp) and 320 N⋅m (240 lbf⋅ft), a 1 L 3-cylinder gasoline engine coupled to a generator with an output of 53 kW (71 hp), and a 16 kWh (58 MJ) lithium-ion battery energy storage system.
With its origins in wound rotor induction motors with multiphase winding sets on the rotor and stator, respectively, which were invented by Nikola Tesla in 1888, [6] the rotor winding set of the doubly fed electric machine is connected to a selection of resistors via multiphase slip rings for starting. However, the slip power was lost in the ...
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.
According to recent data from the U.S. Energy Information Administration (EIA), hybrid electric vehicles were 8.6% of the light-duty vehicle market sales through the first quarter of 2024. The ...
Output is 73 kW (98 hp; 99 PS) at 5200 rpm and 142 N⋅m (105 lb⋅ft) of torque at 4000 rpm, paired with electric motor/generators in the hybrid drive system; together the engine and electric motors produce up to 103 kW (138 hp; 140 PS) and 207 N⋅m (153 lb⋅ft). Maximum thermal efficiency is about 38.5%. [10]