Results 231 to 240 of about 26,566 (274)
Design of a Brushless Doubly-Fed Machine for Aviation Electric Propulsion
Peng Peng +8 more
semanticscholar +3 more sources
Experts theorized that a Brushless Wound-rotor [Synchronous] Doubly-fed Electric Machine System (BWRSDF), which can symmetrically motor or generate with variable speed, provides higher efficiency, higher power density, higher torque density, and lower cost than any other electric machine system, including the permanent magnet electric machine system ...
Frederick William Klatt
semanticscholar +3 more sources
Comparison study of singly-fed electric machine with doubly-fed machine for EV/HEV applications
A doubly fed motor performance is analyzed and experimentally tested. The performance of the doubly fed machine is compared for various operational conditions for variable speed applications. In particular, the possibility of eliminating brushes and slip rings for the doubly fed motor is also discussed and solution presented to highlight the bright ...
Longya Xu, Yu Liu, Xuhui Wen
semanticscholar +3 more sources
Brushless Wound-rotor [Synchronous] Doubly-fed Electric Machine stabilized by real-time control
Choices for today's electric ship propulsion systems include the asynchronous (i.e., induction) singly-fed or doubly-fed electric machine systems or the synchronous singly-fed electric machine systems with permanent magnets or DC field-windings (e.g., superconductor).
Frederick William Klatt
semanticscholar +3 more sources
Mikhail Dubovik +1 more
semanticscholar +3 more sources
Experts theorized that a Brushless Wound-rotor [Synchronous] Doubly-fed Electric Machine System (BWRSDF), which can symmetrically motor or generate with variable speed, provides higher efficiency, higher power density, higher torque density, and lower cost than any other electric machine system, including the permanent magnet electric machine system ...
Frederick William Klatt
semanticscholar +3 more sources
The doubly fed dual-rotor flux-modulated (DFDRFM) machine is a promising electrical continuously variable transmission (E-CVT) concept for the hybrid electric vehicles as it has two mechanical ports and two electrical ports, which are highly desirable for E-CVT. In this paper, a novel DFDRFM machine is proposed. Compared with previous designs, the most
Yulong Liu +3 more
semanticscholar +3 more sources
Hybrid Electric Propulsion Using Doubly Fed Induction Machines
This paper considers a hybrid electric propulsion architecture where most of the electric power is transmitted from the generator to the motors without conversion.
Marc Bodson +5 more
openalex +2 more sources
Doubly Fed Induction Machine speed drive for hydro-electric power station
The main idea of this paper is to use a variable rotation speed operating mode for a doubly fed induction machine (DFIM) associated with a reversible hydraulic turbine/pump device. The optimal efficiency of the energy conversion of this system is required.
François Bonnet +3 more
openalex +2 more sources
Applications of doubly-fed machine in simulating load of marine electric propulsion
The developments of electric propulsion technique need high power propulsion motor testing system, in which propeller load simulation is an important part. In this paper, a new doubly-fed machine load system is presented to simulate the stable and dynamical properties of marine propeller operating in different conditions.
Jianqing Shen +2 more
openalex +2 more sources

