Implementation and value of power hardware in the loop testing bed for wind turbines integrated into grid

Luo, Kui; Shi, Wenhui; Tang, Haiyan

doi:10.1049/joe.2017.0609

Cited by 5 publications

(4 citation statements)

References 11 publications

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“…In most cases, the greater number of outputs is, the more converters that the grid emulators can test; the greater number of inputs is, the more complex spatial configurations that the grid emulators can reflect. In this case, the spatial configurations of commonly seen ac grid for emulation can be categorized into single-inputsingle-output (SISO) type [54]- [58], multi-input-single-output (MISO) type [59]- [66], and multi-input-multi-output (MIMO) type [71]- [83].…”

Section: A Spatial Configurationmentioning

confidence: 99%

AC Grid Emulations for Advanced Testing of Grid-Connected Converters—An Overview

Wang

Cai

et al. 2021

IEEE Trans. Power Electron.

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High penetration of distributed generations and active loads have enabled the power electronics converter to become a vital component in the modern power grid system, and the broad employment of grid-connected converters at various power levels is making the grid impedance and characteristics complicated. Consequently, in order to validate more advanced features such as the reliability and stability performances of the grid-connected converters, it is becoming an emerging need to emulate the grid behaviors from more aspects. This article serves to foster and investigate the state-of-the-art techniques in the field of ac grid emulation from the perspective of multiple spatial-scales and multiple time-scales. Four major concepts used for grid emulation with featured principles, including concept I (analog simulation with under-scaled components), concept II (grid characteristics in the real-time simulator), concept III (grid characteristics in the converters structure), and concept IV (grid characteristics in the converters controller), are summarized, respectively, in this article. The practical implementation regarding to the circuit topology and the power supply for the grid emulation system are also discussed. Finally, the future trends and conclusions in the field of ac grid emulation are provided.

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Section: A Spatial Configurationmentioning

confidence: 99%

AC Grid Emulations for Advanced Testing of Grid-Connected Converters—An Overview

Wang

Cai

et al. 2021

IEEE Trans. Power Electron.

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“…897-905 This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) system with a proper representation of the POD effects. Moreover, the method is experimentally validated on an 18-level MMC using a power hardware in the loop (PHIL) approach, which is a technique for testing power equipment under realistic grid conditions [17,18].…”

Section: Introductionmentioning

confidence: 99%

“…Unlike [12], this paper uses a multi‐machine system with a proper representation of the POD effects. Moreover, the method is experimentally validated on an 18‐level MMC using a power hardware in the loop (PHIL) approach, which is a technique for testing power equipment under realistic grid conditions [17, 18].…”

Section: Introductionmentioning

confidence: 99%

Power oscillation damping with virtual capacitance support from modular multilevel converters

Taffese

Endegnanew

D’Arco

et al. 2019

IET Renewable Power Generation

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Power oscillation damping (POD) is one of the ancillary services expected from high-voltage direct current (HVDC) converters. When providing POD to the ac side, converters draw power from the dc side, which can cause distortion to the dc voltage especially in the case of limited dc capacitance. In meshed/multi-terminal HVDC grids, where dc voltage regulation is distributed using a dc voltage droop control strategy, the distortion due to the POD controller action is propagated to other connected ac grids because of the droop action. This propagation can be reduced by using the inherent energy storage capability of the modular multilevel converter (MMC), which is a common converter topology for HVDC. Different methods to utilise the energy stored in the MMC for the purpose of POD have been proposed in the literature. This study presents a detailed analysis and experimental validation of one of these methods, referred to as virtual capacitance support, which increases the effective dc grid capacitance by using the stored energy of multiple MMCs connected in the same grid. The experiments, which were carried out using power hardware in the loop setup, demonstrated the effectiveness of the method.

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“…The Controller Hardware in the Loop (CHIL) simulation is another type of HIL simulation which is used for low-level digital or analogue testing [9]. Both CHIL and PHIL been discussed extensively and used in different power applications [8][9][10][11][12][13][14][15][16][26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Frequency and Voltage Control of Island System using Power Hardware In the Loop

Oyegoke

Μανιατόπουλος

Keates

et al. 2019

2019 8th International Conference on Renewable Energy Research and Applications (ICRERA)

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Power generation via Distributed Generation (DG) plants coupled with inverters can participate in Frequency and Voltage stabilization of the microgrid which is important to grid operators. This paper explores the realization of improved regulation of frequency and voltages in a low voltage microgrid using droopcontrolled power converters. The test bed consists of a Power Hardware in the Loop (PHIL) setup, which includes a gridforming battery inverter, local loads, and DG plants. In the PHIL setup, the grid-forming battery inverter was responsible for setting the network voltage, which served the loads initially before the distributed energy resources were energized. Additional loads were then switched on triggering a frequency drop in the network. Changes in the load requirement and performance of the DGs were examined through the PHIL setup with the energy storage system further supporting as require. The results showed notable improvement in the overall system frequency and voltage regulation.

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Implementation and value of power hardware in the loop testing bed for wind turbines integrated into grid

Cited by 5 publications

References 11 publications

AC Grid Emulations for Advanced Testing of Grid-Connected Converters—An Overview

AC Grid Emulations for Advanced Testing of Grid-Connected Converters—An Overview

Power oscillation damping with virtual capacitance support from modular multilevel converters

Frequency and Voltage Control of Island System using Power Hardware In the Loop

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