Maintaining a balance between load and generation at all time scales by integrating variable renewable energies such as wind and solar Very large energy storage compared to load in electrical power systems

کد مقاله : 1032-CEC1402

نویسندگان

محمدرضا محمدیان آسیابر * -

چکیده مقاله

As more variable renewable energy (VRE) such as wind and solar are integrated into electric power systems, technical challenges arise from the need to maintain the balance between load and generation at all timescales. This paper examines the challenges with integrating ultra- high levels of VRE into electric power system, reviews a range of solutions to these challenges, and provides a description of several examples of ultra-high VRE systems that are in operation today. This rotating inertia helps synchronous generators ride through voltage and frequency deviations in the grid caused by abnormal operations such as a fault. As more synchronous generators in a power system are replaced by inverter based VRE, the inverters will need to be able to provide ‘‘synthetic’’ inertia that mimics the characteristics of synchronous generators. Current power electronics can be designed to provide this as well as a large array of ancillary services that are needed to support reliable grid operations

کلیدواژه ها

Variable renewable energy, Grid operation, Wind.

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