Parameter-Insensitive Sensorless Decoupled P-Q Controller for Doubly-Fed Induction Machine

Shen, Baike; Ooi, Boon-Teck

doi:10.1109/pesc.2007.4342331

Cited by 3 publications

(6 citation statements)

References 10 publications

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“…This paper improves on [14]- [16 ] by incorporating robustness with respect to: 1) parameter variations and 2) noise in the transducer measurements. A U.S. patent [17] has been sought for the invention, which is given the name rotor position PLL.…”

Section: Sensorless Maximum Power Point Tracking Of Wind By Dfig Usinmentioning

confidence: 99%

“…In previous conference papers [14]- [16], the authors presented an alternate method based on phase lock loop (PLL) principle that enables both the rotor speed and the rotor position to be estimated simultaneously. This paper improves on [14]- [16 ] by incorporating robustness with respect to: 1) parameter variations and 2) noise in the transducer measurements.…”

Section: Sensorless Maximum Power Point Tracking Of Wind By Dfig Usinmentioning

confidence: 99%

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Sensorless Maximum Power Point Tracking of Wind by DFIG Using Rotor Position Phase Lock Loop (PLL)

Shen¹,

Mwinyiwiwa

Zhang

et al. 2009

IEEE Trans. Power Electron.

189

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This paper presents an invention, the rotor position phase lock loop (PLL), which enables maximum power point (MPPT) tracking of wind by doubly-fed induction generators without needing a tachometer, an absolute position encoder, or an anemometer. The rotor position PLL is parameter variation insensitive, requiring only an estimate of the magnetization inductance for it to operate. It is also insensitive to noise in the electrical measurements. Proof of concept is by: 1) digital simulations and 2) experimental testing of a laboratory prototype. Index Terms-Decoupled -control, doubly-fed induction generator (DFIG), maximum power point tracking, wind turbine generator (WTG).

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Section: Sensorless Maximum Power Point Tracking Of Wind By Dfig Usinmentioning

confidence: 99%

Section: Sensorless Maximum Power Point Tracking Of Wind By Dfig Usinmentioning

confidence: 99%

Sensorless Maximum Power Point Tracking of Wind by DFIG Using Rotor Position Phase Lock Loop (PLL)

Shen¹,

Mwinyiwiwa

Zhang

et al. 2009

IEEE Trans. Power Electron.

189

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“…During conferences [6]- [8] in which the earlier iterations of the rotor position PLL were presented, doubts were raised as to its ability to track at synchronous speed. Fig.…”

Section: G Operation At Synchronous Speedmentioning

confidence: 99%

“…The methods used are based on solving for the rotor position from the equations of the DFIG using knowledge of the machine parameters, and the instantaneous measurements of voltages and currents of the stator and rotor. This paper is the fourth iteration of a method [6]- [8] based on simultaneous phase-lock tracking of both the rotor speed ω m and position δ m from voltage and current measurements. Apart from the magnetization reactance, the method does not require knowledge of the stator and rotor resistances, and the stator and rotor leakage inductances.…”

Section: Introductionmentioning

confidence: 99%

“…Apart from the magnetization reactance, the method does not require knowledge of the stator and rotor resistances, and the stator and rotor leakage inductances. In fact, the accuracy of the magnetization reactance is not critical, and experiments show that when it is assumed to be infinite, as in [8], the method is still good if the operating currents are large compared to the magnetization current. Robustness is implicit because there is no resistance to change with heating or inductance to change with magnetic saturation.…”

Section: Introductionmentioning

confidence: 99%

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Rotor Position Phase-Locked Loop for Decoupled $P\hbox{-}Q$ Control of DFIG for Wind Power Generation

Mwinyiwiwa

Zhang

Shen³

et al. 2009

IEEE Trans. Energy Convers.

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Implementation of decoupled P -Q control of doubly fed induction generators requires the positions of the rotors to be known. The rotor position phase-lock loop (PLL) is an invention that extracts rotor position and speed simultaneously by "sensorless" means. The rotor position PLL is parameterinsensitive because, apart from an approximate value of the magnetization reactance, knowledge of the other parameters is not required for it to function. Experimental results obtained under noisy conditions demonstrate that it is also insensitive to noise.Index Terms-Decoupled P -Q control, doubly fed induction generator (DFIG), phase-lock loop (PLL), position encoder, renewable energy, wind turbine generators (WTGs), wound rotor induction machine.

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Parametrically Robust Mutual Inductance Estimation based Adaptive Control Architecture for Doubly Fed Induction Generator (DFIG)

Nair

Bhattarai

Kamalasadan

2019

2019 IEEE Energy Conversion Congress and Exposition (ECCE)

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Parameter-Insensitive Sensorless Decoupled P-Q Controller for Doubly-Fed Induction Machine

Cited by 3 publications

References 10 publications

Sensorless Maximum Power Point Tracking of Wind by DFIG Using Rotor Position Phase Lock Loop (PLL)

Sensorless Maximum Power Point Tracking of Wind by DFIG Using Rotor Position Phase Lock Loop (PLL)

Rotor Position Phase-Locked Loop for Decoupled $P\hbox{-}Q$ Control of DFIG for Wind Power Generation

Parametrically Robust Mutual Inductance Estimation based Adaptive Control Architecture for Doubly Fed Induction Generator (DFIG)

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