Model Predictive Control of LPC-Looped Active Distribution Network With High Penetration of Distributed Generation

Xing, Xuetao; Lin, Jin; Wan, Can; Song, Yonghua

doi:10.1109/tste.2016.2647259

Cited by 54 publications

(18 citation statements)

References 42 publications

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“…To make it convenient for integrating into the optimal dispatch of the system, the non-linear operational area can be divided into several approximate linear regions geometrically [27,31] as Fig. 3b, so the operational characteristic of the alkaline electrolyser can be expressed by the summation of these linear regions.…”

Section: Electrochemical Submodelmentioning

confidence: 99%

Increasing operational flexibility of integrated energy systems by introducing power to hydrogen

et al. 2020

IET Renewable Power Generation

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Owing to the limited operating regions of combined heat and power (CHP) units, the operation of integrated energy systems suffers from low flexibility, low-cost efficiency, renewable curtailment etc. Meanwhile, as the capacity of renewable energies keeps growing and integrating into power systems, various methods, such as installing electric boilers to enable electricity-heat conversion, have been developed to absorb excessive renewables and increase system operation flexibility. To further increase the system operation flexibility, this study explores the possibilities of utilising electrolysers and hydrogen storage tanks to enable electricity-hydrogen-heat conversion. To better visualise the enhanced flexibility, this study presents extra flexibilities from electric boilers, electrolysers and hydrogen tanks as the equivalent operating region expansion for CHP units. In this study, the system is modelled as a mixed-integer optimisation problem which balances the electricity, heat and hydrogen demands in a 24-hour period. A 6-bus test system is used in the case studies to illustrate the effectiveness of implementing electrolysers and hydrogen storage tanks. The optimisation results show the application of hydrogen energy improves the system operation flexibility, reduces wind curtailment, thereby decreasing fuel consumption and carbon emission. Pr i, t pressure of unit i ∈ ℋS at time t (bar). c i, t cost of unit i ∈ CℋP at time t

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Section: Electrochemical Submodelmentioning

confidence: 99%

Increasing operational flexibility of integrated energy systems by introducing power to hydrogen

et al. 2020

IET Renewable Power Generation

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“…According to the efficiency definitions in (4) and (21), along with the 'T-H-H' relationship in (20), we can determine the efficiency of hydrogen production and the efficiency of P2HH in each simulation step. The results are shown in Figs.…”

Section: Efficiency Profilementioning

confidence: 99%

Optimal control of a hydrogen microgrid based on an experiment validated P2HH model

Lin

Zeng

et al. 2019

IET Renewable Power Generation

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Converting electricity into hydrogen (power-to-hydrogen-P2H) is proved to be an effective means of energy storage. However, the conversion efficiency of commercial electrolyzers is currently among 60-70% and the storage and transportation cost of hydrogen is relatively high. On this basis, this study promotes the comprehensive usage of P2H as a flexible load in renewable power systems as well as heat sources in the heat network. The model of power-to-heat and hydrogen (P2HH) is established, considering the utilisation of waste heat. This model has further experimentally verified with alkaline electrolyzer groups rated at 46.5 kW. The authors established an optimal control model of a P2HH microgrid and carried out a case study on this model; the results show that temperature plays an important role in the P2HH process because it directly influences the proportion of electricity to generate hydrogen and the proportion of electricity to generate heat. Besides, P2HH helps improve the overall system efficiency despite the possible efficiency reductions of the power to hydrogen process itself.

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“…In traditional distribution networks, the influence of harmonics is limited due to the relative low harmonics level. However, in the booming active distribution network that contains considerable amount of 'active equipment' such as distributed generations [31,32], electrical vehicles, storages and other power electronic interfaced devices, power quality issues, especially harmonic issues, have become critical for the efficient and secure operation of distribution networks. Those inverter-connected non-linear devices will generate much more harmonics.…”

Section: Preliminaries On Synchronised Harmonicsmentioning

confidence: 99%

Hadoop‐based framework for big data analysis of synchronised harmonics in active distribution network

Cao

Lin

Wan

et al. 2017

IET Generation, Transmission & Distribution

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Model Predictive Control of LPC-Looped Active Distribution Network With High Penetration of Distributed Generation

Cited by 54 publications

References 42 publications

Increasing operational flexibility of integrated energy systems by introducing power to hydrogen

Increasing operational flexibility of integrated energy systems by introducing power to hydrogen

Optimal control of a hydrogen microgrid based on an experiment validated P2HH model

Hadoop‐based framework for big data analysis of synchronised harmonics in active distribution network

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