Toward a Generic Torque and Reactive Power Controller for Doubly Fed Machines

Chaal, Hamza; Jovanović, Milutin

doi:10.1109/tpel.2011.2160731

Cited by 49 publications

(44 citation statements)

References 26 publications

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“…The validity of the simulation model has been proven using the BDFRG test rig described in [24][25][26]. The prototype Y/Y connected, 6/2-pole machine is rated at 1.5 kW, 1000 rev/min, 2.5 A, 400 V, 50 Hz and has the following parameters:…”

Section: Experimental Verificationmentioning

confidence: 99%

“…Various control algorithms 2 have been developed for the BDFRG including scalar control [3,22], primary voltage vector-oriented control (VOC) [3,13,14,22], primary flux (field)-oriented control (FOC) [13,14], direct torque and flux control [22,23], direct torque and reactive power control [24,25], direct power control [26], sliding mode power control [27], and even non-linear Lyapunov control theory [8]. Although a comparative qualitative analysis of some of these control methods has been partly made in [22] (and more detailed for the DFIG in [15,21]), no similar quantitative study, other than that in [22], has been reported specifically on FOC versus VOC of large BDFRG wind turbines, and there has been very little theoretical or applied work published on true FOC for this machine in general.…”

Section: Introductionmentioning

confidence: 99%

“…The maximum torque per inverter ampere (MTPIA) control strategy has been implemented because of the efficiency gain by minimising the secondary current magnitude for a given load, and hence reducing both the winding copper and inverter switching losses [3,28]. Another strong reason for looking at this particular control objective is purely technical and associated with practical implications of the insufficient current rating, and other design limitations, of the proof of concept BDFRG [24][25][26] used to validate the VOC theory presented in the sequel. This prevented common close to unity primary power factor values to be achieved for real-time testing.…”

Section: Introductionmentioning

confidence: 99%

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Comparisons of Vector Control Algorithms for Doubly-Fed Reluctance Wind Generators

Jovanović

Ademi

Obichere

2015

Transactions on Engineering Technologies

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This chapter presents a comparative development and thorough assessment of vector control methodologies for a promising brushless doubly-fed reluctance generator (BDFRG) technology for adjustable speed wind turbines. The BDFRG has been receiving increasing attention in research and industrial communities due to the low operation & maintenance costs afforded by the partiallyrated power electronics and the high reliability of brushless construction, while offering competitive performance to its commercially popular and well-known slip-ring counterpart, the doubly-fed induction generator (DFIG). The two robust, machine parameter independent control schemes, one with flux (field) vector orientation (FOC) and the other voltage vector-oriented (VOC), have been built and their response examined by realistic simulation studies on a custom-designed BDFRG fed from a conventional 'back-to-back' IGBT converter. The high quality of the simulation results has been experimentally validated on a laboratory BDFRG test facility under VOC conditions as a preferred control option at large-scale wind power levels.

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Section: Experimental Verificationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparisons of Vector Control Algorithms for Doubly-Fed Reluctance Wind Generators

Jovanović

Ademi

Obichere

2015

Transactions on Engineering Technologies

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“…Scalar V/f control [6], primary voltage-oriented (vector) control (VC) [6], direct torque and flux [7] or reactive power [23] control (DTC), direct power control (DPC) [25], and sliding mode control [9] have been developed for the BDFRM(G). Although intellectually interesting, the work in Refs.…”

Section: Introductionmentioning

confidence: 99%

“…[6,9] is purely theoretical in nature and of questionable viability. Several stator frame based DT(P)C methods have been experimentally validated with a shaft-position sensor [23,25] or sensor-less speed regulation [7]. However, the preliminary results for no-load operation of a small-scale BDFRM have been produced, but actually more useful speed control of the loaded BDFRG has not been clearly demonstrated in Refs.…”

Section: Introductionmentioning

confidence: 99%

Control of doubly-fed reluctance generators for wind power applications

Ademi

Jovanović

2016

Renewable Energy

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a b s t r a c tThe paper deals with flux and voltage vector oriented control of a transpiring brushless doubly-fed reluctance generator (BDFRG) technology for grid-connected wind turbines. The BDFRG features the low operation & maintenance costs by using a fractional inverter, and offers the high reliability of brushless structure at competitive performance to its popular slip-ring companion, the doubly-fed induction generator (DFIG). The relative experimental results for the two parameter independent speed and reactive power control algorithms have successfully verified the simulation studies on a custom-built machine for various loading profiles.

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Direct Power Control and Space Vector Modulation‐Based Direct Power Control for Brushless Doubly‐Fed Reluctance Generator

Shi

2023

IEEJ Transactions Elec Engng

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This paper deduces the quantitative relationship between the flux vectors and the power of power winding (PW) in brushless doubly‐fed reluctance generator (BDFRG). On this basis, the direct power control (DPC) theory of BDFRG is established, which makes up the deficiency that the DPC theory of BDFRG is only based on qualitative analysis in the existing literature. The power derivative expression is derived for accurately analyzing the effect of voltage vector of control winding (CW) on the power of PW, concluding that the control effect of DPC is related to the operation point of a BDFRG. The number of basic voltage vectors of CW connected with two‐level converter is limited, resulting that under some operation conditions, a BDFRG controlled by DPC could present a time interval where the power cannot be controlled satisfactorily. Therefore, the space vector modulation‐based direct power control (SVM‐DPC) strategy of BDFRG is proposed, which can solve the above problem and fix the switching frequency. Experimental results prove the correctness of the elaboration and the proposed method. © 2023 Institute of Electrical Engineer of Japan and Wiley Periodicals LLC.

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Toward a Generic Torque and Reactive Power Controller for Doubly Fed Machines

Cited by 49 publications

References 26 publications

Comparisons of Vector Control Algorithms for Doubly-Fed Reluctance Wind Generators

Comparisons of Vector Control Algorithms for Doubly-Fed Reluctance Wind Generators

Control of doubly-fed reluctance generators for wind power applications

Direct Power Control and Space Vector Modulation‐Based Direct Power Control for Brushless Doubly‐Fed Reluctance Generator

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