نتایج جستجو برای: distributed generation penetration level

تعداد نتایج: 1650645  

Journal: :International Transactions on Electrical Energy Systems 2022

This work proposes an optimal location and sizing of battery energy storage system (BESS) installation for performance improvement distribution systems with high distributed generation (DG) penetration level where the DGs comprise photovoltaics (PV) wind turbines (WT). The BESS can reduce costs incurred in systems, alleviate reverse power flow when are DG level, also achieve peak shaving during...

Journal: :Frontiers in Energy Research 2021

The charging load of electric vehicles (EVs) is characterized by uncertainty and flexibility, which burdens the distribution network, especially when there a high penetration distributed generation (DG) in smart grids. Large-scale EV mobility integration not only affects grid operation reliability but also services. This paper aims at estimating comprehensive impacts caused spatial-temporal fro...

Journal: :Frontiers in Energy Research 2021

The growing penetration of renewable energy sources (RES) in the electrical power sector has increased amount distributed generation (DG) units connected at distribution system level. In this context, new balancing challenges have arisen, creating need for a novel use case methodology to enable an active role level such that transmission operators (TSOs) can coordinate with (DSOs) regard resour...

2017
Mubbashir Ali Matti Lehtonen João P. S. Catalão

Driven by policy changes and technological advancement, wind power installations are booming as compared to any other types of power generation. However, the increased penetration of renewable generation in the power systems has resulted in high level of curtailment. Advanced energy storage technologies have been increasingly scrutinized as a feasible mitigation option in smart grids. This pape...

Journal: :Iet Generation Transmission & Distribution 2022

Reduced rotational inertia in power grids due to increasing penetration levels of distributed generations (DGs) may lead degraded performance the traditional frequency control scheme. In response this challenge, adequacy has recently emerged as a new research area modern systems. Accordingly, an attempt is made paper tackle generation expansion planning (GEP) problem. This turn helps realize su...

Journal: :Phytopathology 2010
Gang-Su Hyon Ken-Ichi Ikeda Naoki Hosogi Takeshi Shinogi Pyoyun Park

In the Japanese pear pathotype of Alternaria alternata, H2O2 is generated solely from penetration pegs and not from other portions of subcuticular hyphae within the pectin layers of host leaves. A close association between H2O2 generation and fungal aggressiveness is expected because the pegs are important for fungal penetration into the host epidermis. To determine the potential role of reacti...

2010
Wolfgang PRÜGGLER Carlo OBERSTEINER Hans AUER

The recently observed increase in distributed generation based on renewable energy sources (DG/RES) in the European electricity system is most likely to continue or even increase its growth rate in the future. Distributed Generation (DG) as one core focus of this paper is mainly meant to be connected to distribution grid areas. Thus, scenarios for DG/RES development on distribution level are de...

2009
Vijay Vittal Uday V. Shanbhag

Description: This tele-seminar series gives the results from a PSERC project (Executive Summary | Full Report) that examined the impact of increased penetration of doubly-fed induction generator (DFIG) wind generation on power system dynamic performance and hence reliability. DFIG wind turbines use controls that effectively isolate the inertia from the grid. In addition, large wind farms are ty...

2015
Peerapat Vithayasrichareon Iain F. MacGill

This paper employs a novel Monte-Carlo based generation portfolio assessment tool to explore the implications of increasing wind penetration and carbon prices within future electricity generation portfolios under considerable uncertainty. This tool combines optimal generation mix techniques with Monte Carlo simulation and portfolio analysis methods to determine expected overall generation costs...

Journal: :international journal of smart electrical engineering 2014
mahmood hosseini aliabadi shahram javadi ehsan tafehi amin bakhtiari

this study based on investigation for integration wind power into conventional power system with its impact on fossil fuel generators and their generation management. wind power as environmental friendly energy source can reduce the operational cost of the system due to considering no cost for energizing the generator in comparing with fossil fuel generators. however due to unpredictable nature...

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