A review of harmonic elimination techniques in grid connected doubly fed induction generator based wind energy system

Mishra, Anirban; Tripathi, Prashant Mani; Chatterjee, Kalyan

doi:10.1016/j.rser.2018.02.039

Cited by 42 publications

(22 citation statements)

References 61 publications

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“…Percentages of the harmonic mitigation market by technology [2]. mitigation techniques) are summarized in [3] [4], including reactors [5] (AC line reactors that provide better input protection, DC link reactors that provide better output voltage regulation and swinging choke design that provides enhanced light load harmonic performance), drive isolation transformers [6], passive filters [3], high-pulse-count rectification (12,18, 24, 36 pulses), active methods [3] such as drive active front ends (AFEs; ULH or regen), and stand alone and shunt active power harmonic filters (SAPFs) [7]. Some of these harmonic mitigation techniques used in the market are shown in Fig.…”

Section: %mentioning

confidence: 99%

THD Reduction Using Shunt Active Power Filter: A Real Case Study

Alhmoud¹

2019

ujeee

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Harmonic pollution in the industrial field causes extra heat dissipation and increased rms (root mean square) values of both voltage and current waveforms, which hence increase losses, decrease the overall efficiency, and increase the energy cost in power plants. Moreover, harmonic pollution results in a decline in industrial investment. A solution to mitigate harmonic pollution is proposed using an active power filter by identifying both the phase current and the voltage and then providing a compensation current the same in magnitude and negative in direction to the distorted current. In this paper, a three-phase active power filter for current harmonic compensation in power distribution lines is adopted. Practical measurements performed on the United Iron and Steel Manufacturing Company bus bar for different factory and Jordanian national power system grid loads demonstrate the validity of the proposed approach using a shunt active power filter (SAPF). Using p-q theory, the results show that the proposed SAPF is convenient for suppressing harmonic current. Hence, the overall power quality of the grid is improved, and the reliability is enhanced. Finally, this work is implemented using simulink/Matlab.

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Section: %mentioning

confidence: 99%

THD Reduction Using Shunt Active Power Filter: A Real Case Study

Alhmoud¹

2019

ujeee

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“…Under the condition that (11) or (15) is applied to eliminate the harmonics, the value of rotor voltage reference in the steady state is consistent. Hence, by substituting (15) into (22), it leads to…”

Section: Proposed Ieso-ssm-dvc Regulatormentioning

confidence: 99%

Direct voltage regulation of a stand‐alone DFIG system with non‐linear loads based on an improved‐extended state observer and SSM control

Guo

Wang

Peng

et al. 2019

IET Renewable Power Generation

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This study presents a direct voltage control strategy for a stand-alone doubly fed induction generator (DFIG) subject to non-linear loads. The voltage regulator employs a super-twisting sliding mode (SSM) control to directly calculate the rotor voltage reference with the advantage of mitigating the voltage chattering and omitting the current control loops. On the basis of the harmonic-eliminating principle under non-linear loads, an improved extended state observer is proposed and applied to estimate the model-related part in the SSM control law. The advantages are that no extra sequence decomposition operations and machine parameters are required; therefore, enhancing the robustness and simplifying the structure of the controller. Finally, the proposed method is applied to a 6 kW DFIG-based hardware system under varying speed conditions. Both simulation and experiment results are given to validate the harmonic-eliminating performance of the proposed method for the stand-alone DFIG system. Nomenclature i, u, φ current, voltage and flux R, L, R d resistance, inductance, resistance in dc side ω sl , ω s slip and synchronous angular frequency Z L , Z C impedances of inductance and capacitor Superscript

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“…ġebeke bağlantılı ÇBAG tabanlı rüzgar santralinde güç elektroniği tabanlı yükler sistem gerilim ve akımlarını bozmaktadır. Güç kalitesinde harmonik denilen saf sinüs akım ve gerilimlerdeki bozulmaların sistem üzerinde oluĢturmuĢ olduğu etkiler incelenmiĢtir [7]. ġebeke tarafında oluĢan olumsuz durumlardan biriside kısa devre gücü ve X/R oranıdır.…”

Section: Gġrġġunclassified

ÇBAG Tabanlı Rüzgar Santralinde DGİY için Simetrik ve Asimetrik Arızaların Analizi

Döşoğlu

2019

Düzce Üniversitesi Bilim Ve Teknoloji Dergisi

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ÖZET ġebeke bağlantılı rüzgar santrali güç sistemi tarafında oluĢan çeĢitli gerilim düĢmelerinden etkilenmektedir. Özellikle simetrik ve asimetrik arızalarda rüzgar santralinin Ģebeke bağlantı kriterlerinin belirlenmesi önemli bir konudur. Bu çalıĢmada, 2.3 MVA gücündeki ÇBAG tabanlı rüzgar santralinin DüĢük Gerilim ĠyileĢtirme Yeteneği (DGĠY) için simetrik ve asimetrik arızalar karĢısındaki durumları incelenmiĢtir. Simetrik arıza olarak 3 faz arıza ve 3 faz toprak arızası kullanılırken, Asimetrik arızalar için 2 faz arızası ve 2 faz toprak arızası kullanılmıĢtır. ġebeke tarafında meydana gelen arızalar esnasında 34.5 kV bara gerilimi ÇBAG çıkıĢ gerilimi, açısal hızı, elektriksel momenti, d-q eksen akım değiĢimleri incelenmiĢtir. 3 faz arıza, 3 faz toprak, 2 faz arıza ve 2 faz toprak arızasında elde edilen sonuçlar karĢılaĢtırılmıĢ ve yorumlanmıĢtır. Elde edilen sonuçlarda 3 faz arıza analizinde 34.5 kV'luk bara gerilimi ve ÇBAG parametrelerinin diğer arızalara nazaran daha çok etkilenmiĢtir.

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A review of harmonic elimination techniques in grid connected doubly fed induction generator based wind energy system

Cited by 42 publications

References 61 publications

THD Reduction Using Shunt Active Power Filter: A Real Case Study

THD Reduction Using Shunt Active Power Filter: A Real Case Study

Direct voltage regulation of a stand‐alone DFIG system with non‐linear loads based on an improved‐extended state observer and SSM control

ÇBAG Tabanlı Rüzgar Santralinde DGİY için Simetrik ve Asimetrik Arızaların Analizi

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