Optimal Scheduling of Zero-Carbon Parks Considering Flexible Response of Source–Load Bilaterals in Multiple Timescales DOI Open Access
Fuyu Wang, Weiqing Wang

Processes, Journal Year: 2024, Volume and Issue: 12(12), P. 2850 - 2850

Published: Dec. 12, 2024

In order to enhance the carbon reduction potential of a park, low-carbon economic dispatch method applicable zero-carbon parks is proposed optimize energy park at multiple timescales; this achieved by introducing flexible response mechanism for source–load bilaterals, so as achieve low-carbon, economic, and efficient operation. First, model that accounts flow characteristics distribution hub established. Then, based on operation supply equipment multi-type integrated demand response, bilaterally multi-timescale scheduling framework are proposed; mechanisms coordination electricity–carbon coupling analyzed in depth. Finally, with objective optimal system economy, established three timescales, namely, day-ahead, intraday, real-time scheduling. The output optimized step according prediction information results each stage. simulation show can effectively utilize source load resources participate reduce emissions while ensuring realizing system. Therefore, study provides new theoretical basis practical solution parks, which helps promote development economy.

Language: Английский

Optimal Planning of Energy Storage in Distribution Feeders Considering Economy and Reliability DOI
Liangbin Xie, Yue Xiang, Xiao Xu

et al.

Energy Technology, Journal Year: 2024, Volume and Issue: 12(7)

Published: May 14, 2024

The capacity of distributed photovoltaic impacts the safe and reliable operation distribution feeders. energy storage is one solution for addressing that challenge. To balance financial viability investing in projects feeders with grid reliability, an optimal planning method considering economy reliability proposed. First, economic model established. Second, a simulation performed based on optimization results Finally, comprehensive indexes technique order preference by similarity to ideal used, final scheme determined cumulative curve. show it can effectively improve consumption better which be used as reference reasonable determination ratios renewables.

Language: Английский

Citations

7
Two-layer optimization configuration method for distributed photovoltaic and energy storage systems based on IDEC-K clustering DOI Creative Commons
Jinlin Liao,

Jia Lin,

Guilian Wu

et al.

Energy Reports, Journal Year: 2024, Volume and Issue: 11, P. 5172 - 5188

Published: May 13, 2024

A two-layer optimization configuration method for distributed photovoltaic (DPV) and energy storage systems (ESS) based on IDEC-K clustering is proposed to address the issues of voltage violations excessive network losses caused by high proportion resource integration into distribution grids. Firstly, an improved Deep Embedded Clustering (IDEC) algorithm combined with K-means cluster historical data photovoltaics loads, generating typical scenarios. Then, scenarios, considering economy reliability DPV ESS, a optimal model established, solved using Non-Dominated Sorting Genetic Algorithm II (NSGA-II). Finally, simulation experiments are conducted IEEE 33-bus system. The experimental results demonstrate effectiveness can reduce range each node network, fluctuation voltage, risk over-limit line loss rate network.

Language: Английский

Citations

6
A method based on GIS techniques to assess renewable energy self-consumption capacity. A case study DOI Creative Commons
Francisco Santana-Sarmiento, Sergio Velázquez

Energy, Journal Year: 2024, Volume and Issue: 305, P. 132246 - 132246

Published: July 1, 2024

The exploitation of renewables through energy self-consumption installations is one the key strategies for decarbonisation systems and promotion distributed electricity generation. Wind solar photovoltaic are two renewable sources commonly used to generate self-consumption. One limitations in medium-large scale wind their compatibility with geographical characteristics territory. In this paper, a method has been developed using GIS techniques precisely identify optimal locations that maximise yield such electrical implementation method, criteria related topographical terrain (slope, orientation shading, etc.), potential (capacity factor, logistical questions jointly considered. applied case study on island Gran Canaria (Spain). results derived from application show importance detailed consideration characteristics. This aspect even more important regions/countries limited availability useful territory these types installations, therefore elaboration planning strategies.

Language: Английский

Citations

2
A two-phase robust comprehensive optimal scheduling strategy for regional distribution network based on multiple scenarios DOI Creative Commons

Hongde Ma,

Weiqi Zhang,

Aoxuan Wang

et al.

Frontiers in Energy Research, Journal Year: 2024, Volume and Issue: 12

Published: Nov. 7, 2024

With the increasing integration of renewable energy sources, optimization distribution networks has become a critical challenge to ensure sustainable and reliable supply. In this paper, robust comprehensive (RCO) strategy based on multi-scenarios is proposed manage uncertainty distributed power supply load in regional networks, for making up shortcomings existing methods multi-scenario integrated networks. Firstly, development holistic model that concurrently considers constraints related wind power, photovoltaics (PVs), gas turbines (GTs), storage systems, reactive compensation, carbon dioxide (CO 2 ) emissions, ensuring approach network management. Then, application Latin Hypercube Sampling (LHS) scenario generation, combined with an adaptive K -means clustering using elbow method (EM), which results creation highly representative prototypical scenarios. addition, imposition 1-norm ∞-norm probability confidence intervals distribution, provides rigorous framework addressing Furthermore, novel two-phase decomposition box algorithm will be introduced handle temporal dependencies between unit commitment, optimizing both operational costs system flexibility. Using column constraint generation (C&CG) algorithm, complex problem been solved comprehensively. Finally, validation IEEE 33-note Matlab/Simulink platform from four demonstrates can effectively improve practicability, reduce error, enhance robustness, have better scene representation.

Language: Английский

Citations

1
Improving Active Resonance Damping and Unbalanced Voltage Mitigation Based on Combined DDSRF and Washout Filter in Islanded Microgrids DOI Creative Commons
Ehsan Akbari, Mahan Fakhrooeian, Mostafa Jabari

et al.

IEEE Access, Journal Year: 2024, Volume and Issue: 12, P. 62997 - 63013

Published: Jan. 1, 2024

The existence of imbalanced single- and two-phase loads, coupled with short-circuit faults, contributes to voltage imbalance. It is inevitable use LCL filters remove harmonics caused by converter switching. While effective in removing harmonic components, these may inadvertently amplify propagate resonance. Both imbalance active resonance significantly degrade power quality. This paper proposes a multi-level hierarchical control system mitigate both phenomena. At Level 1, the controller incorporates proportional-resonant regulators for current voltage. 2 employs common droop establish microgrid frequency reference values. 3 introduces washout filter an adjustable Kd gain, capable attenuating originating from filter. Finally, 4 integrates based on extracting positive negative sequence components using dual decoupled synchronous frame (DDSRF) algorithm. effectively compensates load bus, balancing Simulation results standalone demonstrate that proposed 4-level algorithm can reduce bus 10% 2.5% under most challenging conditions. diminishes distortion 11% 2.5%. presented perform optimally dynamic changes reactive nonlinear loads. main merit this approach not physical devices Flexible Alternative Current Transmission Systems (FACTS), such as Active Power Filters (APF), Distribution Static Synchronous Compensators (DsSTATCOM), SVC.

Language: Английский

Citations

1
Research on power grid planning considering composite energy storage model DOI

Panlong Jin,

Zongchuan Zhou,

Feng Xue

et al.

Published: May 13, 2024

This study addresses the challenges of short and long-term power fluctuations in grid planning by establishing a composite energy storage model that considers both hydrogen electrochemical storage. The paper presents incorporating load storage, facilitating peak shaving, supporting operations across various time scales. proposed is solved using an enhanced Firefly algorithm, case studies demonstrate method's effectiveness reducing overall costs enhancing operational performance.

Language: Английский

Citations

0
Research on power network planning considering complex load model DOI

SongLin Li,

Yu Liao, Zhiyuan Wang

et al.

Published: May 13, 2024

The current grid faces increasing complexity in load patterns. This paper addresses the challenges posed by complex loads, including impact of high-speed railways and ZIP composite model. A planning model considering electrochemical energy storage supercapacitor for optimized operation is proposed. An enhanced Sand Cat Swarm Optimization algorithm introduced solution. Case studies demonstrate that deployment devices effectively absorbs load, minimizing its on grid.

Language: Английский

Citations

0
Resilience Improvement of Microgrid Cluster Systems Based on Two-Stage Robust Optimization DOI Creative Commons

Shui Ji,

Yun Liu,

Shanshan Wu

et al.

Energies, Journal Year: 2024, Volume and Issue: 17(17), P. 4287 - 4287

Published: Aug. 27, 2024

For microgrids in deep and remote sea areas, ocean currents are widely used as an emerging power generation resource. Implementing ES systems is crucial for smooth output grid stability. The stability of from current energy faces challenges due to speed fluctuations. Enhancing resilience requires addressing transmission line failures caused by extreme seabed conditions, ensuring operational security. An configuration method considering faults based on two-stage robust optimization presented this paper. First, order simultaneously consider planning operation, a defender–attacker–defender (DAD) model was established. Additionally, the capacity, rated power, charging/discharging during operation were jointly optimized through column-and-constraint (C&CG) algorithm. In addition, rationality effectiveness proposed demonstrated experiments modified IEEE six-bus fifty-seven-bus systems. results show that distributed increased system 54.60% reduced abandoned rate 57.06% compared with situation without configuration.

Language: Английский

Citations

0
Optimization of Capacity Allocation for Wind-Photovoltaic-Hydro Power Generation System Based on Particle Swarm Optimization Algorithm DOI
Quan Zheng,

Yongqi Yao,

Jibin Zhu

et al.

Published: July 20, 2024

Language: Английский

Citations

0
Optimal Scheduling of Zero-Carbon Parks Considering Flexible Response of Source–Load Bilaterals in Multiple Timescales DOI Open Access
Fuyu Wang, Weiqing Wang

Processes, Journal Year: 2024, Volume and Issue: 12(12), P. 2850 - 2850

Published: Dec. 12, 2024

In order to enhance the carbon reduction potential of a park, low-carbon economic dispatch method applicable zero-carbon parks is proposed optimize energy park at multiple timescales; this achieved by introducing flexible response mechanism for source–load bilaterals, so as achieve low-carbon, economic, and efficient operation. First, model that accounts flow characteristics distribution hub established. Then, based on operation supply equipment multi-type integrated demand response, bilaterally multi-timescale scheduling framework are proposed; mechanisms coordination electricity–carbon coupling analyzed in depth. Finally, with objective optimal system economy, established three timescales, namely, day-ahead, intraday, real-time scheduling. The output optimized step according prediction information results each stage. simulation show can effectively utilize source load resources participate reduce emissions while ensuring realizing system. Therefore, study provides new theoretical basis practical solution parks, which helps promote development economy.

Language: Английский

Citations

0