A New AC/DC Converter for the Interconnections between Wind Farms and HVDC Transmission Lines

Nouri, Soheil; Babaei, Ebrahim; Hosseini, Seyyed Hossein

doi:10.6113/jpe.2014.14.3.592

Cited by 7 publications

(3 citation statements)

References 9 publications

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“…The electrical module of WECS can be partitioned into three major machineries, which are PMSGs, power converters and the grid, as sown in Figure 3. Using MPPT methods such as Tip-Speed Ratio, the maximum power can be extracted from the variable speed wind and this is converted to AC power using PMSG, which itself is converted back to DC-DC so that it can be stored in batteries; if connected to the grid, the DC needs to be converted back to AC using an inverter [8][9][10]. The information of both wind velocities and its direction was obtained with an anemometer(s) and stored on integrated chips of a mini computer, a data logger, which operates for a long period of time using a battery.…”

Section: Modelling Of the Wind Energy Conversion Systemmentioning

confidence: 99%

“…𝐼𝐼 𝑙𝑙𝐴𝐴𝑝𝑝 = 𝑊𝑊 𝑚𝑚 + 𝑖𝑖 𝑙𝑙𝐴𝐴 𝑢𝑢 𝐴𝐴𝑝𝑝 + 𝑖𝑖 𝑙𝑙𝐴𝐴 𝑢𝑢 𝐵𝐵𝑝𝑝 + 𝑖𝑖 𝑙𝑙𝐴𝐴 𝑢𝑢 𝐶𝐶𝑝𝑝 (8) where Wm is the starting weight. The reference components of currents IlAp of the phase-A load are handled using a sigmoidal based activation-module shown in (7) to (9). Then, they are further utilized to obtain the resultant feed-forward block.…”

Section: Proposed Ann Controller For the Vsi Of The Grid Interactive ...mentioning

confidence: 99%

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Control of DSTATCOM Using ANN-BP Algorithm for the Grid Connected Wind Energy System

Irfan

Malaji

Patsa³

et al. 2022

Energies

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Green energy sources are implemented for the generation of power due to their substantial advantages. Wind generation is the best among renewable options for power generation. Generally, the wind system is directly connected with the power network for supplying power. In direct connection, there is an issue of managing power quality (PQ) concerns such as voltage sag, swells, flickers, harmonics, etc. In order to enhance the PQ in a power network with a wind energy conversion system (WECS), peripheral compensation is needed. In this paper, we highlight a novel control technique to improve the PQ in WECS by adopting an Artificial Neural Network (ANN)-based Distribution Static Compensator (DSTATCOM). In our proposed approach, an online learning-based ANN Back Propagation (BP) model is used to generate the gate pulses of the DSTATCOM, which mitigate the harmonics at the grid side. It is modelled using the MATLAB platform and the total harmonic distortion (THD) of the system is compared with and without DSTATCOM. The harmonics at the source side decreased to less than 5% and are within the IEEE limits. The results obtained reveal that the proposed online learning-based ANN-BP is superior in nature.

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Section: Modelling Of the Wind Energy Conversion Systemmentioning

confidence: 99%

Section: Proposed Ann Controller For the Vsi Of The Grid Interactive ...mentioning

confidence: 99%

Control of DSTATCOM Using ANN-BP Algorithm for the Grid Connected Wind Energy System

Irfan

Malaji

Patsa³

et al. 2022

Energies

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“…UHVDC power transmission refers to DC transmission based on thyristor inverter. It consists of the inverter, DC line, and the auxiliary equipment [12,13]. Quasi steady state model is used to simulate the UHVDC primary system.…”

Section: Uhvdc Power Transmission Systemmentioning

confidence: 99%

Coordinated Stability Control of Wind-Thermal Hybrid AC/DC Power System

Yao

Hao

Chen

et al. 2015

Mathematical Problems in Engineering

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The wind-thermal hybrid power transmission will someday be the main form of transmitting wind power in China but such transmission mode is poor in system stability. In this paper, a coordinated stability control strategy is proposed to improve the system stability. Firstly, the mathematical model of doubly fed wind farms and DC power transmission system is established. The rapid power controllability of large-scale wind farms is discussed based on DFIG model and wide-field optical fiber delay feature. Secondly, low frequency oscillation and power-angle stability are analyzed and discussed under the hybrid transmission mode of a conventional power plant with wind farms. A coordinated control strategy for the wind-thermal hybrid AC/DC power system is proposed and an experimental prototype is made. Finally, real time simulation modeling is set up through Real Time Digital Simulator (RTDS), including wind power system and synchronous generator system and DC power transmission system. The experimental prototype is connected with RTDS for joint debugging. Joint debugging result shows that, under the coordinated control strategy, the experimental prototype is conductive to enhance the grid damping and effectively prevents the grid from occurring low frequency oscillation. It can also increase the transient power-angle stability of a power system.

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Research on a New Hysteresis Control Technology for Flexible High-voltage Direct Current Transmission

Zhang

Qin

Wang³

2019

2019 IEEE 2nd International Conference on Automation, Electronics and Electrical Engineering (AUTEEE)

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A New AC/DC Converter for the Interconnections between Wind Farms and HVDC Transmission Lines

Cited by 7 publications

References 9 publications

Control of DSTATCOM Using ANN-BP Algorithm for the Grid Connected Wind Energy System

Control of DSTATCOM Using ANN-BP Algorithm for the Grid Connected Wind Energy System

Coordinated Stability Control of Wind-Thermal Hybrid AC/DC Power System

Research on a New Hysteresis Control Technology for Flexible High-voltage Direct Current Transmission

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