About this Research Topic
With the increasing penetration of distributed generators (DG), distribution networks are gradually transforming from passive networks to active distribution networks (ADN) comprising the roles of energy conversion, collection, storage, and distribution. However, the intermittent power generation of DGs, e.g. PV and wind, have significant uncertainties in spatial and temporal distribution. These uncertainties bring many challenges to the system operation and planning and put forward higher requirements for operational flexibility.
The wide application of power electronic devices, represented by Soft Open Point (SOP), solid transformer, distribution unified power flow controller (DUPFC), provides opportunities for the further operation optimization of distribution networks. The accurate and fast power flow control provided by flexible distribution devices significantly improves the operational flexibility of distribution networks, making the system more flexible to control and dispatch.
Considering the high share of DG and flexibility improvement brought by SOP-type power electronic devices, this Research Topic aims to solve the issues of modelling, simulation, optimal operation and planning of active distribution networks. It will facilitate the enhanced flexibility, efficiency, and reliability of distribution networks under complex environments brought by high DG penetration.
This Research Topic will mainly cover the papers on the modelling, simulation, operation and planning of active distribution networks with various flexible distribution equipment (power electronic devices). The technical solutions for flexible operation problems of distribution networks are provided in this Research Topic, such as the high-performance simulation algorithm, efficient analytical methods with high penetration of DG, flexible operation methods under uncertainties, and system planning with flexible distribution devices.
Topics considered include:
• Evolution of distribution networks with flexible interconnection,
• Efficient modelling, simulation and analysis methods,
• Operation control and energy management under uncertainties,
• System planning with flexible distribution devices,
• Flexibility and resilience evaluation and enhancement,
• Pilot and demonstration of future distribution networks.
Keywords: active distribution network (ADN), distributed generator (DG), flexible distribution device, operational flexibility, operation and planning
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