Multiple reference frame theory for harmonic compensation via doubly fed induction generators

Ghatpande, Omkar; Corzine, Keith; Fajri, Poria; Ferdowsi, Mehdi

doi:10.1109/peci.2013.6506035

Cited by 7 publications

(6 citation statements)

References 13 publications

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“…Also, aiming at the compensation of current harmonic distortions, in this particular case those arising from nonlinear loads, the proposal is put forward in Reference for a method using the multiple axis reference frame theory, utilizing DFIG. The most significant low order harmonics to be compensated are calculated using a harmonic observer of multiple axis reference frame.…”

Section: Bibliographic Revision Scientific Relevance and Significancementioning

confidence: 99%

Effects of harmonic pollution on salient pole synchronous generators and on induction generators operating in parallel in isolated systems

Vanço

Silva

Oliveira

et al. 2020

Int Trans Electr Energ Syst

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Summary This work presents a study of the disturbances caused by harmonic pollution in salient pole synchronous generators (SPSG) and induction generators, when operating in parallel in isolated systems. SPSG are known to operate with induction generators, since the excitation system of the synchronous generator is responsible for the voltage control on the island system. Due to the increase in the employment of power electronics, the loads take on a nonlinear behavior, where these become responsible for the generation of harmonics, due to the switching of electrical devices. Therefore, the analysis of the disturbances that these loads cause in generators, in this proposed and studied architecture, becomes essential. For the synchronous generator, there is also presented the analyses of the oscillations for voltages and currents on the dq0 model, the currents induced on the damper winding, the disturbances on the load angle and on the field current. In terms of the induction generator, the voltage and current oscillations are also analyzed from the dq0 model on the slip frequency. All the identified and quantified disturbances are oscillations on the electric variables, which possess a pulsating nature of frequencies 6ω, 12ω, and 18ω for the synchronous and induction generators, the oscillations of the sixth order and its multiples, will be given in the harmonic slip frequency of their respective harmonic orders in positive and negative sequence. In this way, verification is made as to the appearance of high slippage on the rotor of the induction generator.

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Section: Bibliographic Revision Scientific Relevance and Significancementioning

confidence: 99%

Effects of harmonic pollution on salient pole synchronous generators and on induction generators operating in parallel in isolated systems

Vanço

Silva

Oliveira

et al. 2020

Int Trans Electr Energ Syst

View full text Add to dashboard Cite

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“…This also controls the switching and injection of harmonics in the system which arises due to gusts in available wind (Ghatpande et al 2013). Losses are reduced in the proposed work by applying the vector modulation and clamp switching strategy.…”

Section: Analysis and Review Of Matrix Converter Performancementioning

confidence: 99%

“…Research work is being carried out to estimate the conduction losses and switching losses and their relation with switching frequency, modulation techniques, current ripple, etc. In various research work carried out globally, for reduction of losses, the increased switching frequency and a combination of continuous and discontinuous modulation with distribution of the clamping segments in accordance to the load phase angle were proposed (Cárdenas et al 2013b;Ghatpande et al 2013;Ghoudelbourk et al 2012;Yin et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Mitigation of operational losses in matrix converter fed DFIG for WECS

Ashfaq

Tripathi

2015

Renewables

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With the change in the wind profile, the speed of doubly fed induction generator (DFIG) of wind energy conversion system (WECS) changes from super synchronous to sub synchronous range and vice versa. DFIG is operated to generate quality power; hence, power at rotor side is controlled using matrix converter taking power from grid and feeding back power to the grid depending on the wind profile. Input voltage required to be fed to the rotor side of DFIG is always changing and depends on the speed of the available wind. During the operation when power is fed from grid to rotor of DFIG, a high-voltage stress continues across the switches of power electronic converter (PEC). In existing topologies of the matrix converter used with the DFIG in WECS, the constant voltage stress at the power electronic switch (PES) is available which causes the higher losses across the switch. This also causes common mode voltage (CMV) which leads to the over voltage stress. This may cause winding insulation damage and bearing failure of the DFIG. Furthermore, higher dv/dt of CMV raises the leakage current which causes the thermal stress and electromagnetic noise to the equipments installed near the matrix converter. In this paper, the work done is focused on the mitigation of operational losses in matrix converter fed doubly fed induction generator for wind energy conversion system. The overall loss in the matrix converter and mitigation of common mode voltage is achieved, which improves the overall efficiency and the performance of the wind energy conversion system.

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“…[5] absorbing the harmonics using grid side converter (GSC), in [6] harmonics is detected by active filter, then injecting rotor side current to change the reference d-q axis current of rotor side converter (RSC) to compensate the harmonics. Researchers also proposed a sensorless vector control to eliminate the grid current harmonics in [2], while [7] using a multiple reference frame to detect the harmonics with selected order, then compensate the harmonics by employing an auxiliary RSC control. However, authors of [7] fail to give detail about the how exactly the auxiliary RSC control works, no equations are developed to elaborate the simulation results.…”

Section: Introductionmentioning

confidence: 99%

“…Researchers also proposed a sensorless vector control to eliminate the grid current harmonics in [2], while [7] using a multiple reference frame to detect the harmonics with selected order, then compensate the harmonics by employing an auxiliary RSC control. However, authors of [7] fail to give detail about the how exactly the auxiliary RSC control works, no equations are developed to elaborate the simulation results. This paper presents novel methods to compensate the gird current harmonics.…”

Section: Introductionmentioning

confidence: 99%

Harmonic compensation for variable speed DFIG wind turbines using multiple reference frame theory

Corzine

2015

2015 IEEE Applied Power Electronics Conference and Exposition (APEC)

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This paper proposes novel methods to compensate the grid current harmonics by controlling the back to back converter of dual-fed induction generator (DFIG). The selected low-order harmonics is detected and calculated by a multiple reference frame harmonics estimator. The control methods of how to regulate the harmonics are developed for both the gridside converter (GSC) and the rotor-side converter (RSC) of the back to back converter attached to the DFIG. The harmonics regulator control for GSC and RSC are parallel with the main decoupled control of the back to back converter operating the DFIG wind turbine system to generate electrical power to grid. Matlab/Simulink is employed to investigate the performance of proposed methods.

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Multiple reference frame theory for harmonic compensation via doubly fed induction generators

Cited by 7 publications

References 13 publications

Effects of harmonic pollution on salient pole synchronous generators and on induction generators operating in parallel in isolated systems

Effects of harmonic pollution on salient pole synchronous generators and on induction generators operating in parallel in isolated systems

Mitigation of operational losses in matrix converter fed DFIG for WECS

Harmonic compensation for variable speed DFIG wind turbines using multiple reference frame theory

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