Results 11 to 20 of about 984 (220)
Energies, 2020 Aiming at the problems of large excitation loss and low power generation efficiency of silicon rectifier generators and the unstable output voltage of permanent magnet (PM) generators, a hybrid excitation generator (HEG) with suspended brushless claw ...
Huihui Geng, Xueyi Zhang, Wenjing Hu
exaly +4 more sources
EnergiesHybrid-excited generators have a wide voltage regulation capability or a wide range of variable-speed constant-voltage output capability, providing a significant advantage in the new energy power generation field.
Yonghong Xia +5 more
doaj +2 more sources
Mathematics, 2023 This paper presents a topology for the brushless operation of a wound-rotor synchronous machine based on the subharmonic excitation technique by using two sets of multi-pole windings on the armature as well as on the rotor.
Muhammad Humza +3 more
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Application brushless machines with combine excitation for a hybrid car and an electric car [PDF]
Problems of the Regional Energetics, 2015 This article shows advantages of application the brushless machines with combined excitation (excitation from permanent magnets and excitation winding) for the hybrid car and the electric car.
Gandzha S.A., Kiessh I.E.
doaj +1 more source
Brushless series connected machine with DC stator excitation
SAE Technical Paper Series, 2012 The brushless DC motors with permanent magnets are used primarily in law power applications. There are no limits on weight and motor dimensions in considered motors with DC stator excitation.
Okrainskaya I., Gladyshev S.P.
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A New Excitation Control Device for Brushless Alternator of Electrical Wheels Autonomous Dump Truck
Kongzhi Yu Xinxi Jishu, 2013 It designed a new excitation control device for brushless alternator of electrical wheels autonomous dump truck. In order to control excitation current effectively, it used DSP as its control unit and function modules with serial and CAN communication to
FENG Bing, YANG Dongxin, LIU Songbai
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Application of Brushless Machines with Combine Excitation for a Small and Medium Power Windmills
Procedia Engineering, 2015 This article shows the advantages in application of the brushless machines with combine excitation (excitation from permanent magnets and excitation coil) for small and medium power windmills.
Sergey Gandzha
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Use of Discharge Resistor to Improve Transient De-Excitation in Brushless Synchronous Machines
Energies, 2019 The discharge resistor is only used in case of electrical trip to reduce the field current as fast as possible and to minimize the damages produced by the short-circuit current supplied by the synchronous machine. The connection of the discharge resistor
CARLOS A Platero, Ricardo Granizo
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High-speed de-excitation system for brushless synchronous machines
IET Electric Power Applications, 2012 Artículos en revistasThis study presents a novel high-speed de-excitation system for brushless synchronous machines, where the de-excitation time constant can reach values of several seconds.
CARLOS A Platero +2 more
exaly +2 more sources
Modelling the brushless excitation system for a synchronous machine
IET Electric Power Applications, 2009 The structure and the operation of the model for the brushless excitation system for a synchronous machine are presented. The nonlinear model including the excitation machine, the AC-AC converter supplying the excitation machine and the rectifier diode bridge, mounted on the rotor, is based on a state machine.
Vesa Ruuskanen +2 more
exaly +2 more sources