Protection philosophy in low short‐circuit capacity distribution grids with high penetration of converter‐interfaced distributed renewable energy sources
نویسندگان
چکیده
منابع مشابه
An Online Free Penetration Multi-Stage Fuse Saving Protection Scheme in Distribution Systems with Photovoltaic Sources
In this paper, a multi-stage protective scheme is proposed to maintain the fuse and reclosers coordination. The proposed method operates online and proportional to the photovoltaic sources penetration rate. In the first step, a non-standard Current - Time - Voltage curve is used for fuse saving. If the new calculated TDS from the first stage is not implementable to the reclosers, the second sta...
متن کاملDistributed Energy Resources Protection Requirements in Future Distribution Grids
One of the key protection functionalities in the future active distribution networks will be reliable detection of islanding. Non-detection zone (NDZ) near a power balance situation and maloperation due to other network events have been the major challenges with traditional passive islanding detection methods like voltage, frequency, rate-ofchange-of-frequency, voltage vector shift (VVS). Howev...
متن کاملDistributed Voltage Control in Distribution Networks with High Penetration of Photovoltaic Systems
In this paper, a distributed method for reactive power management in a distribution system has been presented. The proposed method focuses on the voltage rise where the distribution systems are equipped with a considerable number of photovoltaic units. This paper proposes the alternating direction method of multipliers (ADMMs) approach for solving the optimal voltage control problem in a distri...
متن کاملDifferent Predictive Control Strategies for Active Load Management in Distributed Power Systems with High Penetration of Renewable Energy Sources
In order to achieve a Danish energy supply based on 100% renewable energy from combinations of wind, biomass, wave and solar power in 2050 and to cover 50% of the Danish electricity consumption by wind power in 2020, it requires more renewable energy in buildings and industries (e.g. cold stores, greenhouses, etc.), and to coordinate the management of large numbers of distributed energy resourc...
متن کاملSystem Stability-Constrainted Optimal Protection Coordination in the Microgrid Including Renewable Energy Sources and Energy Storage
In this paper, the system stability-constrianted optimal protection coordination (SSCOPC) as stochastic problem in the microgrid with grid-connected and islanded operation modes, including renewable energy sources (RESs) and energy storage systems (ESSs), is presented. This problem to optimal regulation of the dual setting overcurrent relays (DSORs) and selecting the reactance size of fault cur...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IET Generation, Transmission & Distribution
سال: 2020
ISSN: 1751-8687,1751-8695
DOI: 10.1049/iet-gtd.2020.0714