Stable Operation of the Brushless Doubly-Fed Machine (BDFM)

Shao, Shiyi; Abdi, Ehsan; McMahon, R.A.

doi:10.1109/peds.2007.4487811

Cited by 19 publications

(9 citation statements)

References 14 publications

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“…6. In the course of calculation, the speed is keep in the synchronous speed, that is the speed should meet the equation (2).…”

Section: B Magnetic Force Line Distribution and Back Emfsmentioning

confidence: 99%

“…For example wind power generator using BDFM must operate at a specific shaft speed set by wind conditions to gain the maximum power output. Similar requires apply for variable speed drive applications, such as drives [2] The rotor of the BDFM is a critical component in the course of the electromechanical energy conversion, then in order to increase the performance, many scholars studies the rotor structure. Richard McMahon [3] researches the characterising rotor for BDFM, gives a comparative study of two rotor windings, and the performance of the rotors has been predicted from theory for a frame size 160 BDFM.…”

Section: Introductionmentioning

confidence: 99%

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Performance analysis on a novel brushless doubly fed machine with hybrid rotor structure

Wang

Zhang

Qun

et al. 2011

2011 International Conference on Electrical Machines and Systems

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in order to improve the coupling capability and operating performance of brushless doubly fed machine(BDFM), a novel hybrid rotor structure is designed in this paper, finite element analysis(FEA) indicates that this type of rotor has higher magnetic field coupling capability, more excellent no-load characteristic and better torque capability in comparison to traditional rotor structure. The conclusions obtained could provide theoretical foundation for optimization design of BDFM.

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“…6. In the course of calculation, the speed is keep in the synchronous speed, that is the speed should meet the equation (2).…”

Section: B Magnetic Force Line Distribution and Back Emfsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance analysis on a novel brushless doubly fed machine with hybrid rotor structure

Wang

Zhang

Qun

et al. 2011

2011 International Conference on Electrical Machines and Systems

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“…This mode of operation is useful for the machine parameter estimation [8]. Further, it enables the use of a unidirectional inverter when starting the machine as a motor [17].…”

Section: Model Implementation In Matlabmentioning

confidence: 99%

Derivation of a vector model for a Brushless Doubly-Fed Machine with multiple loops per nest

Barati

Oraee

Abdi

et al. 2008

2008 IEEE International Symposium on Industrial Electronics

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The paper presents a vector model for a Brushless Doubly-Fed Machine (BDFM). The BDFM has 4 and 8 pole stator windings and a nested-loop rotor cage. The rotor cage has six nests equally spaced around the circumference and each nest comprises three loops. All the rotor loops are short circuited via a common end-ring at one end. The vector model is derived based on the electrical equations of the machine and appropriate vector transformations. In contrast to the stator, there is no three phase circuit in the rotor. Therefore, the vector transformations suitable for three phase circuits can not be utilised for the rotor circuit. A new vector transformation is employed for the rotor circuit quantities. The approach presented in this paper can be extended for a BDFM with any stator poles combination and any number of loops per nest. Simulation results from the model implemented in Simulink are presented.

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“…A number of scalar control algorithms have been developed for DFIG, such as closed-loop frequency control [5] ,open-loop control [4] [6], phase-angle control [7] [8]. It was shown to stabilize the machine over a wide speed range.…”

Section: Introductionmentioning

confidence: 99%

Study on the Connection of DFIG to Grid Based on Double-vector PWM

Zheng

Guo

2010

2010 International Conference on Electrical and Control Engineering

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With the increasing of wind penetration in power systems, many national grid codes demand complete models and simulation studies under different system conditions in order to ensure that the connection of a wind farm would not have a detrimental impact on the grid . It is now recognized that doubly fed induction generators (DFIG) are used in many large farms. A systematic control methodology for connection of wind-turbinedriven DFIGs to the grid is presented in this paper. The purpose is to optimize control and enhance performance doubly fed induction generator wind power system by using double-vectorpwm control. The control strategies of DFIG under vector control in stator flux orientation of rotor side converter and vector control of grid side PWM converter are investigated. A dynamic model of the DFIG wind turbine is derived to develop a vector controller to decouple dynamically active and reactive power control ,and keep the DC link voltage stable, and supply low distortion currents both in the machine rotor and the supply grid. The simulations confirm the response of the DFIG independent of speed and dynamic performance of the complete system. The model is suitable to be used in a wind farm and the network under various system disturbances .

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Stable Operation of the Brushless Doubly-Fed Machine (BDFM)

Cited by 19 publications

References 14 publications

Performance analysis on a novel brushless doubly fed machine with hybrid rotor structure

Performance analysis on a novel brushless doubly fed machine with hybrid rotor structure

Derivation of a vector model for a Brushless Doubly-Fed Machine with multiple loops per nest

Study on the Connection of DFIG to Grid Based on Double-vector PWM

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