A matrix converter excited doubly-fed induction machine as a wind power generator

Zhang, L.; Watthanasarn, C.

doi:10.1049/cp:19980583

Cited by 48 publications

(26 citation statements)

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“…The relationship of the additional angle Aa and the rotor frequency can be expressed as follows, based on (8) and (9). Aa = AcAdt (7) To increase phasea, the frequency of rotor current i r should be increased.…”

Section: A Control the Phase A Ofementioning

confidence: 99%

“…In article [8], the stator active and reactive power were controlled by regulating the current and voltage of the rotor windings; but this paper did not mention about how to synchronize the vectors of the induced stator and grid voltages. In article [9], the power control was achieved by adjusting rotor currents and using the stator flux oriented control technique. Since the control algorithm was based on the space vector control so a high performance DSP was required to process all the control procedures.…”

Section: Introductionmentioning

confidence: 99%

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A New Control Strategy for Doubly-Fed Induction Generator for Wind Power Generation

Nho

Liao

et al. 2007

APEC 07 - Twenty-Second Annual IEEE Applied Power Electronics Conference and Exposition

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This paper proposes an active power control method for Doubly-Fed Induction Generator (DFIG) to convert wind power to electric power of constant frequency current with unity power factor. Instead of using conventional transformation between a-b-c frame and d-q frame, the proposed method independently adjusts the magnitude and phase of the stator output. The achieved response characteristic of the proposed scheme is similar to that obtainable from conventional vector control scheme. However, the control algorithm is simplified. The principle is verified by experimental results.

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Section: A Control the Phase A Ofementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A New Control Strategy for Doubly-Fed Induction Generator for Wind Power Generation

Nho

Liao

et al. 2007

APEC 07 - Twenty-Second Annual IEEE Applied Power Electronics Conference and Exposition

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show abstract

“…The stator of the DFIG is directly connected to the power grid while its rotor needs to be connected to the power grid through an ac-ac power converter. The DFIG can supply the constant frequency power to the grid without reference to wind speed variation, and can control the power factor at the connection point [3], [4].…”

Section: Introductionmentioning

confidence: 99%

“…However, it is well known that back-to-back converters have relatively high loss due to 2-step power conversion such as ac-dc and dc-ac, their bulky structure and maintenance problems due mainly to the dc-link capacitor. In order to overcome these shortcomings, a direct ac-ac power converter, especially a matrix converter, which can directly convert the ac power from one frequency to another, was considered as a power stage by several researchers [4]- [8].…”

Section: Introductionmentioning

confidence: 99%

“…Because of the complexity of control of a matrix converter, however, its practical implementation would be not easy. This might be one of the main reasons why some previous research concentrated on computer simulations to confirm the feasibility of matrix converter application for a DFIG [4]- [6]. At present, some literature reports the actual implementation and experimental results of a DFIG wind power system with a matrix converter that is controlled by a space vector PWM (SVPWM) [6], [7].…”

Section: Introductionmentioning

confidence: 99%

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DFIG Wind Power System with a DDPWM Controlled Matrix Converter

Lee¹,

Jeong²,

Han³

et al. 2010

Journal of Electrical Engineering and Technology

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-This paper proposes a new doubly-fed induction generator (DFIG) system using a matrix converter controlled by direct duty ratio pulse-width modulation (DDPWM) scheme. DDPWM is a recently proposed carrier based modulation strategy for matrix converters which employs a triangular carrier and voltage references in a voltage source inverter. By using DDPWM, the matrix converter can directly and effectively generate rotor voltages following the voltage references within the closed control loop. The operation of the proposed DFIG system was verified through computer simulation and experimental works with a hardware simulator of a wind power turbine, which was built using a motor-generator set with vector drive. The simulation and experimental results confirm that a matrix converter with a DDPWM modulation scheme can be effectively applied for a DFIG wind power system.

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2007

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A matrix converter excited doubly-fed induction machine as a wind power generator

Cited by 48 publications

References 0 publications

A New Control Strategy for Doubly-Fed Induction Generator for Wind Power Generation

A New Control Strategy for Doubly-Fed Induction Generator for Wind Power Generation

DFIG Wind Power System with a DDPWM Controlled Matrix Converter

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