scholarly journals Theoretical analysis of control properties for the brushless doubly fed reluctance machine

2002 ◽  
Vol 17 (3) ◽  
pp. 332-339 ◽  
Author(s):  
R.E. Betz ◽  
M.G. Jovanovic
Keyword(s):  
Theoretical Analysis ◽  
Reluctance Machine ◽  
Doubly Fed

scholarly journals Coordinated Control of RSC and GSC for DFIG System under Harmonically Distorted Grid Considering Inter-Harmonics

Energies ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 28 ◽  
Author(s):  
Bo Pang ◽  
Hui Dai ◽  
Feng Li ◽  
Heng Nian
Keyword(s):  
Theoretical Analysis ◽  
Control Strategy ◽  
Coordinated Control ◽  
Delay Compensation ◽  
Pass Filter ◽  
Grid Connection ◽  
Distorted Grid ◽  
Negative Impacts ◽  
Doubly Fed ◽  
Grid Side

For improving the performance of a doubly fed induction generator (DFIG) system under a harmonically distorted grid, this paper proposes a coordinated control strategy which is effective for grid inter-harmonics as well as grid integer harmonics. In order to suppress the negative impacts caused by grid harmonics, including inter-harmonics, this paper introduces an additional harmonics suppression controller, which contains a Chebyshev high-pass filter and a modified lead element considering the delay compensation. The proposed controller is employed in the rotor side converter (RSC) and grid side converter (GSC). Based on the proposed harmonics suppression controller, a coordinated control strategy between RSC and GSC is developed, in which the control targets, including the sinusoidal output current, constant power, or steady generator torque, can be achieved for DFIG, while GSC is responsible for maintaining the sinusoidal total current to guarantee the power quality of the grid connection. The effectiveness of the proposed method is verified by the theoretical analysis, and the experimental results derived using a 1 kW DFIG system validate the correctness of the theoretical analysis.

Design of Novel Axial-Flux Dual Stator Doubly Fed Reluctance Machine

2015 ◽  
Vol 51 (11) ◽  
pp. 1-4 ◽  
Author(s):  
Salman Khaliq ◽  
Mohammad Modarres ◽  
Thomas A. Lipo ◽  
Byung-Il Kwon
Keyword(s):  
Axial Flux ◽  
Reluctance Machine ◽  
Doubly Fed

Brushless doubly-fed reluctance machine rotor design

2012 ◽  
Author(s):  
Andrew M. Knight ◽  
Robert E. Betz ◽  
William K. Song ◽  
David G. Dorrell
Keyword(s):  
Reluctance Machine ◽  
Rotor Design ◽  
Doubly Fed
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