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1,038 Results Found

  • Article
  • Open Access
57 Citations
3,955 Views
16 Pages

Novel Heuristic Optimization Technique to Solve Economic Load Dispatch and Economic Emission Load Dispatch Problems

  • Nagendra Singh,
  • Tulika Chakrabarti,
  • Prasun Chakrabarti,
  • Martin Margala,
  • Amit Gupta,
  • S. Phani Praveen,
  • Sivaneasan Bala Krishnan and
  • Bhuvan Unhelkar

The fundamental objective of economic load dispatch is to operate the available generating units such that the needed load demand satisfies the lowest generation cost and also complies with the various constraints. With proper power system operation...

  • Article
  • Open Access
59 Citations
3,519 Views
14 Pages

An Efficient Chameleon Swarm Algorithm for Economic Load Dispatch Problem

  • Mokhtar Said,
  • Ali M. El-Rifaie,
  • Mohamed A. Tolba,
  • Essam H. Houssein and
  • Sanchari Deb

1 November 2021

Economic Load Dispatch (ELD) is a complicated and demanding problem for power engineers. ELD relates to the minimization of the economic cost of production, thereby allocating the produced power by each unit in the most possible economic manner. In r...

  • Article
  • Open Access
27 Citations
2,904 Views
13 Pages

A New PSO Technique Used for the Optimization of Multiobjective Economic Emission Dispatch

  • Nagendra Singh,
  • Tulika Chakrabarti,
  • Prasun Chakrabarti,
  • Martin Margala,
  • Amit Gupta,
  • Sivaneasan Bala Krishnan and
  • Bhuvan Unhelkar

Most power is generated using fossil fuels like coal, natural gas, and diesel. The contribution of coal to power generation is very high compared to other sources. Almost all thermal power plants use coal as a fuel for power generation. Such sources...

  • Article
  • Open Access
20 Citations
5,909 Views
21 Pages

1 August 2018

The cooperative, reliable and responsive characteristics make smart grid more popular than traditional power grid. However, with the extensive employment of smart grid concepts, the traditional centralized control methods expose a lot of shortcomings...

  • Article
  • Open Access
9 Citations
1,780 Views
20 Pages

5 July 2023

Economic dispatch (ED) attempts to find the most cost-effective combination of power generation units while meeting operational constraints. Another problem that can’t be resolved by standard economic dispatch problems is figuring out the metho...

  • Article
  • Open Access
2 Citations
890 Views
29 Pages

2 September 2025

Economic dispatch using wind power plants plays a role in reducing the price of electricity production by dispatching power among different generating units for thermal and wind power plants, and supplying load demand while meeting the power system e...

  • Article
  • Open Access
11 Citations
4,342 Views
15 Pages

19 January 2018

In this paper, a distributed randomized gradient-free algorithm (DRGF) is employed to solve the complex non-convex economic dispatch problem whose non-convex constraints include valve-point loading effects, prohibited operating zones, and multiple fu...

  • Article
  • Open Access
26 Citations
4,036 Views
19 Pages

Optimal Economic and Emission Dispatch of a Microgrid with a Combined Heat and Power System

  • Liangce He,
  • Zhigang Lu,
  • Lili Pan,
  • Hao Zhao,
  • Xueping Li and
  • Jiangfeng Zhang

14 February 2019

With the rapid development of the new concept of energy internet, electric power systems often need to be investigated together with thermal energy systems. Additionally, to reduce pollution from gas emissions, it is very important to study the econo...

  • Article
  • Open Access
25 Citations
9,330 Views
14 Pages

Optimal Economic Dispatch in Microgrids with Renewable Energy Sources

  • F. Daniel Santillán-Lemus,
  • Hertwin Minor-Popocatl,
  • Omar Aguilar-Mejía and
  • Ruben Tapia-Olvera

7 January 2019

Due to the opening of the energy market and agreements for the reduction of pollution emissions, the use of microgrids attracts more attention in the scientific community, but the management of the distribution of electricity has new challenges. This...

  • Article
  • Open Access
11 Citations
3,621 Views
26 Pages

Spatio-Temporal Kriging Based Economic Dispatch Problem Including Wind Uncertainty

  • Julio César Cuenca Tinitana,
  • Carlos Adrian Correa-Florez,
  • Diego Patino and
  • José Vuelvas

4 December 2020

The integration of renewable generation adds complexity to the operation of the power system due to its unpredictable characteristics. Therefore, the development of methods to accurately model the uncertainty is necessary. In this paper, the spatio-t...

  • Article
  • Open Access
9 Citations
1,800 Views
23 Pages

On Employing a Constrained Nonlinear Optimizer to Constrained Economic Dispatch Problems

  • Ghulam Abbas,
  • Irfan Ahmad Khan,
  • Naveed Ashraf,
  • Muhammad Taskeen Raza,
  • Muhammad Rashad and
  • Raheel Muzzammel

21 June 2023

Recently, different metaheuristic techniques, their variants, and hybrid forms have been extensively used to solve economic load dispatch (ELD) problems with and without valve point loading (VPL) effects. Due to the randomization involved in these me...

  • Article
  • Open Access
11 Citations
2,914 Views
16 Pages

21 October 2019

A microgrid (MG) is one of the most efficient ways to cope with the grid-connection of a large number of small-sized distributed energy resources. This paper presents a consensus-based fully distributed economic dispatch (ED) strategy for MGs, with t...

  • Article
  • Open Access
3 Citations
3,607 Views
17 Pages

Online Economic Re-dispatch to Mitigate Line Overloads after Line and Generation Contingencies

  • Oswaldo Arenas-Crespo,
  • John E. Candelo-Becerra and
  • Fredy E. Hoyos Velasco

13 March 2019

This paper presents an online economic re-dispatch scheme based on the generation cost optimization with security constraints to mitigate line overloads before and after line and generation contingencies. The proposed optimization model considers sim...

  • Article
  • Open Access
31 Citations
7,226 Views
11 Pages

3 July 2014

Economic dispatch is an important non-linear optimization task in power systems. In this process, the total power demand is distributed amongst the generating units such that each unit satisfies its generation limit constraints and the cost of power...

  • Article
  • Open Access
1,851 Views
15 Pages

Economic Dispatch of AC/DC Power System Considering Thermal Dynamics

  • Xiping Ma,
  • Chen Liang,
  • Xiaoyang Dong and
  • Yaxin Li

23 August 2023

Advance in renewable penetration has promoted the interaction between the AC and DC power system and multi-energy sources. However, the disparate nature of different energy utilization technologies presents strong challenges for the economic dispatch...

  • Article
  • Open Access
4 Citations
1,973 Views
20 Pages

Optimal Solution of Environmental Economic Dispatch Problems Using QPGPSO-ω

  • Umair Ahmad Salaria,
  • Muhammad Ilyas Menhas,
  • Sohaib Manzoor,
  • Faisal Mehmood Butt,
  • Manzoor Ellahi,
  • Nouman Ali,
  • Orazbekov Zhassulan and
  • Heba G. Mohamed

6 June 2023

The renewable energy sources (RESs)-based economic dispatch problem (EDP) is of vital importance for modern power systems. Environmental pollution, climatic degradation, and rapidly growing prices of continuously depleting fossil fuels have encourage...

  • Feature Paper
  • Article
  • Open Access
5 Citations
1,868 Views
15 Pages

23 July 2024

A multi-area power system requires coordination to enhance reliability and reduce operating costs. Economic dispatch in such systems is crucial because of the uncertainties associated with variable loads and the increasing penetration of renewable en...

  • Article
  • Open Access
2 Citations
1,979 Views
17 Pages

17 November 2023

This paper focuses on the dynamic economic emission dispatch (DEED) problem, to coordinate the distributed energy resources (DERs) in a power system and achieve economical and environmental operation. Distributed energy storages (ESs) are introduced...

  • Article
  • Open Access
2 Citations
987 Views
22 Pages

17 April 2025

The traditional consensus-based distributed economic dispatch strategy may lose system convergency and cause imbalanced power when facing an information attack on the individual power generation unit; thus, it is unable to achieve the dispatching goa...

  • Article
  • Open Access
9 Citations
6,228 Views
18 Pages

A Three-Stage Optimal Approach for Power System Economic Dispatch Considering Microgrids

  • Wei-Tzer Huang,
  • Kai-Chao Yao,
  • Chun-Ching Wu,
  • Yung-Ruei Chang,
  • Yih-Der Lee and
  • Yuan-Hsiang Ho

22 November 2016

The inclusion of microgrids (MGs) in power systems, especially distribution-substation-level MGs, significantly affects power systems because of the large volumes of import and export power flows. Consequently, power dispatch has become complicated,...

  • Article
  • Open Access
18 Citations
3,571 Views
27 Pages

Distributed Economic Dispatch Scheme for Droop-Based Autonomous DC Microgrid

  • Zhenyu Lv,
  • Zaijun Wu,
  • Xiaobo Dou,
  • Min Zhou and
  • Wenqiang Hu

14 January 2020

In this paper, a distributed economic dispatch scheme considering power limit is proposed to minimize the total active power generation cost in a droop-based autonomous direct current (DC) microgrid. The economical dispatch of the microgrid is realiz...

  • Article
  • Open Access
2 Citations
1,783 Views
21 Pages

Optimized Economic Dispatch and Battery Sizing in Wind Microgrids: A Depth of Discharge Perspective

  • Muhammad Mukit Hosen,
  • Md Shafiul Alam,
  • Shaharier Rashid and
  • S. M. G. Mostafa

This article presents an optimized approach to battery sizing and economic dispatch in wind-powered microgrids. The primary focus is on integrating battery depth of discharge (DoD) constraints to prolong battery life and ensure cost-effective energy...

  • Article
  • Open Access
8 Citations
2,635 Views
17 Pages

Microgrid Optimal Dispatch Based on Distributed Economic Model Predictive Control Algorithm

  • Yuxiang Peng,
  • Wenqian Jiang,
  • Xingqiu Wei,
  • Juntao Pan,
  • Xiangyu Kong and
  • Zhou Yang

12 June 2023

A microgrid cluster is composed of multiple interconnected microgrids and operates in the form of cluster, which can realize energy complementation between microgrids and significantly improve their renewable energy consumption capacity and system op...

  • Article
  • Open Access
529 Views
22 Pages

27 November 2025

In this study, the economic dispatch problems, which are indispensable in electrical engineering, are addressed utilizing Grey Wolf Optimization (GWO). Conventional mathematical methods struggle to provide quick, reliable solutions to nonlinear probl...

  • Article
  • Open Access
18 Citations
4,119 Views
21 Pages

Optimization Strategy for Economic Power Dispatch Utilizing Retired EV Batteries as Flexible Loads

  • Shubo Hu,
  • Hui Sun,
  • Feixiang Peng,
  • Wei Zhou,
  • Wenping Cao,
  • Anlong Su,
  • Xiaodong Chen and
  • Mingze Sun

26 June 2018

With the increasing penetration of new and renewable energy, incorporating variable adjustable power elements on the demand side is of particular interest. The utilization of batteries as flexible loads is a hot research topic. Lithium-ion batteries...

  • Review
  • Open Access
646 Views
27 Pages

21 November 2025

The shift toward decentralized energy systems and the rapid growth of renewable integration have brought renewed attention to the Multi-Area Economic Dispatch (MAED) problem. Unlike single-area dispatch, which focuses only on local balance, MAED must...

  • Review
  • Open Access
63 Citations
11,730 Views
31 Pages

23 January 2024

Economic Dispatch Problems (EDP) refer to the process of determining the power output of generation units such that the electricity demand of the system is satisfied at a minimum cost while technical and operational constraints of the system are sati...

  • Article
  • Open Access
3 Citations
2,254 Views
16 Pages

Economic Dispatch between Distribution Grids and Virtual Power Plants under Voltage Security Constraints

  • Tiankai Yang,
  • Jixiang Wang,
  • Yongliang Liang,
  • Chuan Xiang and
  • Chao Wang

25 December 2023

Due to the high penetration of virtual power plants (VPPs), the bi-directional power flow between VPPs and active distribution grids makes the grid operation complex. Without congestion management, the operation schedule only considers the economic b...

  • Article
  • Open Access
3,176 Views
20 Pages

2 June 2023

A multi-stage robust real-time economic dispatch model (MRRTD) for power systems is proposed in this paper. The MRRTD takes the dynamic form of multi-stage robust optimization as the framework to naturally simulate the operation of equipment that is...

  • Article
  • Open Access
4 Citations
2,041 Views
16 Pages

Economic Dispatch of Combined Cycle Power Plant: A Mixed-Integer Programming Approach

  • Octavio López Hernández,
  • David Romero Romero and
  • Mohamed Badaoui

12 June 2024

In this article, we present a modification to the Economic Dispatch (ED) model that addresses the non-convex nature of the cost curves associated with a Combined Cycle Power Plant (CCPP). Incorporating a binary variable provides greater precision in...

  • Review
  • Open Access
10 Citations
3,192 Views
30 Pages

A Review on Economic Dispatch of Power System Considering Atmospheric Pollutant Emissions

  • Hengzhen Wang,
  • Ying Xu,
  • Zhongkai Yi,
  • Jianing Xu,
  • Yilin Xie and
  • Zhimin Li

15 April 2024

The environmental/economic dispatch (EED) of power systems addresses the environmental pollution problems caused by power generation at the operational level, offering macroscopic control without requiring additional construction and remediation cost...

  • Article
  • Open Access
19 Citations
2,984 Views
19 Pages

28 June 2019

To address the problem of the supply–demand imbalance caused by network transmission losses in integrated power and heating systems (IPHS), this paper presents an optimal economic dispatch strategy to minimize system operation cost and realize...

  • Article
  • Open Access
66 Citations
8,909 Views
20 Pages

19 May 2015

Based on the characteristics of electric vehicles (EVs), this paper establishes the load models of EVs under the autonomous charging mode and the coordinated charging and discharging mode. Integrating the EVs into a microgrid system which includes wi...

  • Article
  • Open Access
10 Citations
3,279 Views
13 Pages

1 February 2021

This paper proposes a multi-objective load dispatch algorithm based on economic predictive control to solve the real-time multi-objective load dispatch problem of biomass heat and power cogeneration. According to the energy conservation law and produ...

  • Article
  • Open Access
13 Citations
3,772 Views
16 Pages

Economic Dispatch Optimization of a Microgrid with Wind–Photovoltaic-Load-Storage in Multiple Scenarios

  • Haipeng Wang,
  • Xuewei Wu,
  • Kai Sun,
  • Xiaodong Du,
  • Yuling He and
  • Kaiwen Li

8 May 2023

The optimal economic power dispatching of a microgrid is an important part of the new power system optimization, which is of great significance to reduce energy consumption and environmental pollution. The microgrid should not only meet the basic dem...

  • Article
  • Open Access
18 Citations
5,477 Views
17 Pages

Economic Dispatch with Demand Response in Smart Grid: Bargaining Model and Solutions

  • Kai Ma,
  • Congshan Wang,
  • Jie Yang,
  • Qiuxia Yang and
  • Yazhou Yuan

12 August 2017

This paper proposes an economic dispatch strategy for the electricity system with one generation company, multiple utility companies and multiple consumers, which participate in demand response to keep the electricity real-time balance. In the wholes...

  • Article
  • Open Access
66 Citations
4,035 Views
19 Pages

Performance of Osprey Optimization Algorithm for Solving Economic Load Dispatch Problem

  • Alaa A. K. Ismaeel,
  • Essam H. Houssein,
  • Doaa Sami Khafaga,
  • Eman Abdullah Aldakheel,
  • Ahmed S. AbdElrazek and
  • Mokhtar Said

28 September 2023

The osprey optimization algorithm (OOA) is a new metaheuristic motivated by the strategy of hunting fish in seas. In this study, the OOA is applied to solve one of the main items in a power system called economic load dispatch (ELD). The ELD has two...

  • Article
  • Open Access
2 Citations
1,411 Views
19 Pages

6 December 2024

The optimal dispatching of renewable energy power stations is particularly crucial in scenarios where the stations face energy rationing due to the large proportion of renewable energy integrated into the power system. In order to achieve safe, econo...

  • Article
  • Open Access
1 Citations
4,526 Views
12 Pages

26 October 2017

Integration of different energy networks will increase additional flexibility to system operation. The key component in such a coupled infrastructure is the energy router, which plays an important role in energy transition and storage to smoothing th...

  • Article
  • Open Access
4 Citations
1,879 Views
18 Pages

12 October 2022

The benefits of a distributed economic dispatch system include significant resilience, uniform processing and communication pressure, and good scalability, but, currently, there is limited in-depth research on the impact of packet loss on the communi...

  • Article
  • Open Access
14 Citations
3,413 Views
16 Pages

20 July 2020

A modified particle swarm optimization and incorporated chaotic search to solve economic dispatch problems for smooth and non-smooth cost functions, considering prohibited operating zones and valve-point effects is proposed in this paper. An inertia...

  • Review
  • Open Access
1,518 Views
21 Pages

With the large scale and high proportion of distributed generation connected to the power grid, the distributed economic dispatch system has attracted more attention because of its significant advantages. However, the distributed economic dispatch sy...

  • Article
  • Open Access
11 Citations
2,904 Views
29 Pages

Research on Dynamic Economic Dispatch Optimization Problem Based on Improved Grey Wolf Algorithm

  • Wenqiang Yang,
  • Yihang Zhang,
  • Xinxin Zhu,
  • Kunyan Li and
  • Zhile Yang

21 March 2024

The dynamic economic dispatch (DED) problem is a typical complex constrained optimization problem with non-smooth, nonlinear, and nonconvex characteristics, especially considering practical situations such as valve point effects and transmission loss...

  • Article
  • Open Access
2 Citations
1,457 Views
9 Pages

This paper presents a new formula for determining spot price and a new algorithm for economic dispatch in deregulated power systems. According to participant’s biddings, an independent system operator (ISO) manages deregulated power systems (DPS) and...

  • Article
  • Open Access
40 Citations
7,861 Views
24 Pages

29 December 2014

In order to maintain the stability and security of the power system, the uncertainty and intermittency of wind power must be taken into account in economic dispatch (ED) problems. In this paper, a dynamic economic dispatch (DED) model based on chance...

  • Article
  • Open Access
12 Citations
5,183 Views
24 Pages

6 May 2017

This paper proposes a novel bacteria foraging reinforcement learning with knowledge transfer method for risk-based economic dispatch, in which the economic dispatch is integrated with risk assessment theory to represent the uncertainties of active po...

  • Article
  • Open Access
2 Citations
2,195 Views
17 Pages

Economic Dispatch of Power Retailers: A Bi-Level Programming Approach via Market Clearing Price

  • Hui Zhou,
  • Jian Ding,
  • Yinlong Hu,
  • Zisong Ye,
  • Shang Shi,
  • Yonghui Sun and
  • Qiyu Zhang

27 September 2022

For power retailers in a smart grid, it is necessary to design an economic dispatch method to maintain a balance between power supply and demand on the sale side as well as obtain better economic benefits. This study concentrates on the economic disp...

  • Article
  • Open Access
16 Citations
1,902 Views
21 Pages

Source-Load Coordinated Low-Carbon Economic Dispatch of Microgrid including Electric Vehicles

  • Jiaqi Wu,
  • Qian Zhang,
  • Yangdong Lu,
  • Tianxi Qin and
  • Jianyong Bai

25 October 2023

As the global warming crisis becomes increasingly serious, sustainable dispatch strategies that can reduce CO2 emissions are gradually developed. Aiming at the problems of poor synergy between carbon capture systems (CCS) and P2G as well as the poten...

  • Article
  • Open Access
13 Citations
2,582 Views
23 Pages

27 December 2022

Economic dispatch (ED) problems, especially in multi-area power networks, have been challenging concerns for power system operators for several decades. In this paper, we introduce a novel approach for solving the multiobjective multi-area dynamic ED...

  • Article
  • Open Access
2,021 Views
24 Pages

13 September 2022

The paper studies a new distributed control method to solve the economic dispatch problem (EDP) under directed topology based on consensus protocol. Electrical equipment is closely related to frequency, and the frequency of each generator varies inde...

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