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189 articles for “Load demand”
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Short-Term Load Demand Forecasting using Chaos Theory and ANFIS
Abstract: In the electrical power sector, forecasting of load demand is an important process for effective planning of future expansion and periodical operations including unit commitments, fuel scheduling, short-term maintenance, security assessments, reducing spinning reserve, reliability analysis etc. Accurate load predictions are also necessary to utilize the electrical energy efficiently and to minimize the conflicts between the demand and supply of electricity. As electric load pattern of a region is very …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 50–57 Read article
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The application of the Jellyfish search algorithm for solving Modified economic load dispatch under the consideration of prohibited operation zones, varied load demand, and renewable energy sources
Abstract: In this research, an expanded version of the original economic load dispatch problem (EELD) is concerned to optimize operation of power plants in power systems. While solving the problem, the power supplied from solar energy is considered in addition to the conventional thermal power plants. The main objective function of the research is to minimize the entire electricity generating cost (EEGC) of all thermal power plants in the systems. On …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 3, 2022 · pp. 12–18 Read article
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Finding optimal solutions for an economic load dispatch problem considering thermal, solar and wind power plants by using salp swarm and northern goshawk optimization algorithms
Abstract: This paper proposes a new variant of the traditional economic load dispatch (NELD) problem. Unlike traditional economic load dispatch (TELD), generating sources in NELD are diversified with different types, including thermal, wind, and solar power plants. The reduction of total fuel consumption from thermal power plants is the main objective of this study. The Salp swarm algorithm and Northern Goshawk optimization are utilized to find the optimal solution for NELD. …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 3, 2022 · pp. 1–11 Read article
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Numerical Design of An Off-grid Solar Photovoltaic System for Office Shelter
Abstract: Electricity is essential needs for domestic and office applications. Due to the shortcomings from the national grid, renewable resources are prepared for alternative power supply rather than fossil fuels generators which pollute the environment. To provide a constant power supply, an off-grid solar PV system should adequately be designed. This paper presents the design of an off-grid solar PV system for office shelter. Solar thermal and solar photovoltaic (PV) systems …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 2, 2023 · pp. 68–76 Read article
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Accidental Eccentricity Demand of Educational Building due to Imposed Load Uncertainty
Abstract: AbstractIn this paper, the accidental eccentricity demand of an educational building due to live load uncertainty is worked out. The various occupancies of an educational building are imposed with suitable intensity of imposed load as per IS 875 provision and for different situations of these loads the maximum shift of centre of mass is evaluated. To define imposed load intensity, gamma probability distribution is used. The values of accidental eccentricity …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 1–4 Read article
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Frequency Regulation in Two Area System with PSO Driven PID Technique
Abstract: Now a modern days power system structures gives a major advantages in applications at the time, losses are also produced. To get the stable operation of this structured power system need balancing between total generation with total load demand and system losses. Rising and falling load demand throws off the real and reactive power balances. As a result, the system frequency and tie line interchange power deviate from their pre-programmed …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 2, 2022 · pp. 8–20 Read article
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Optimal Placement and Sizing of STATCOM for Loss Reduction and Voltage Profile Enhancement Using Genetic Algorithm
Abstract: Electric power distribution networks frequently experience significant power losses and voltage profile deterioration due to increasing load demand and inadequate reactive power compensation. This study investigates the enhancement of the Eleme distribution network in Rivers State through voltage upgrading and optimal deployment of a Static Synchronous Compensator (STATCOM). The existing network consists of a 5.56 km, 11 kV radial distribution system supplying seventeen distribution transformers with a cumulative load demand …
Published in Journal of Power Electronics and Power Systems · Vol. 16, Issue 2, 2026 · pp. 41–46 Read article
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Sizing and Power Estimation Models of an Off-grid Wind Power Supply System in Sokoto, Nigeria
Abstract: AbstractThe exploitation of wind energy for electricity generation could be done by the use of wind turbines. The power output from the wind generator fluctuates due to the variability of wind speed and therefore storage facilities are needed for power supply stability. This research focuses on the wind power potential investigations, sizing of wind power system components and determination of the better wind turbines for residential power supply in Sokoto, …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 1–7 Read article
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Power Market Management and Grid Controls Platforms with Integrating Third Party Owned DER
Abstract: In the deregulated electricity market, many Individual Powers Produces (IPP)/Distributed Energy Resources (DER) compete to sell the power. Grid and power flow controlling is a challenging task. In deregulated scenario many market model, according to that the power-flow control has to be done looking at the Available Transfer Capacity (ATC) in the lines. FACTS controllers are well suited to control the active power by injecting/absorbing the reactive power from the …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 3, 2020 · pp. 24–30 Read article
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Design and Arduino Implementation of Artificial Neural Network Based Intelligent Power Management System of Bangladesh
Abstract: The research contrivance is to maintain and control load detachment or shedding in local distribution area and also utilize different types of power generation units such as conventional and non-conventional energy sources. The artificial neural network will anticipate, predict and exploit idea when generation is insufficient to meet the load demand. If the demand for the load is more than a generation, the artificial neural network will acknowledge the specific …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 17–29 Read article
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Soil Around the Pier Below the Bed Level of River
Abstract: This study presents the evaluation of vertical and lateral loads acting on a bridge pier–pedestal system subjected to self-weight and vehicular loading. The pier, having a height of 25 m, length of 20 m, and thickness of 1 m, was found to carry a self-weight of 1200 t. When combined with a vehicular load of 2000 t, the total vertical load on the pier becomes 3200 t. Considering lateral force …
Published in Journal of Geotechnical Engineering · Vol. 13, Issue 1, 2026 · pp. 64–70 Read article
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Energy Management Using Hybrid Energy Storage System In DC Microgrid: A Review
Abstract: The purpose of this paper is to study the power management of a hybrid energy storage system in a DC microgrid. The energy storage system for microgrids is bound to face several challenges, such as a lack of conventional power sources and load imbalance. There are many losses in using HEMS that require a microgrid to optimize performance and extend hybrid energy storage systems. The HESS incorporates a battery energy …
Published in Trends in Electrical Engineering · Vol. 14, Issue 1, 2024 · pp. 37–43 Read article
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Economic Load Dispatch with PEV Using Evolutionary Techniques
Abstract: In this paper, the Economic Load Dispatch (ELD) problem is solved by using four different evolutionary techniques Social Spider Algorithm (SSA), Particle Swarm Optimization (PSO), and Teaching Learning Based Optimization (TLBO) with PEV on 20-unit thermal generation station. The most recent Self-Learning Teaching Learning Based Optimization (SL-TLBO) is introduced, including a weighting factor w for adjusting the learning range. A comprehensive study demonstrates that the unique algorithm has the potential …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 3, 2023 · pp. 22–33 Read article
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Finding The Most Sensitive Nodes on IEEE-14 Bus System and Adaptation of Protection Scheme
Abstract: Power system stability is one of the most significant concerns in power system. Providing continuous supply of electric energy to meet the load demand is a complex technical challenge. One of the main causes of voltage instability in a system is the occurrence of reactive power imbalance in the system. Reactive power will be unbalanced when there is a sudden increase or decrease in reactive power demand in the system. …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 50–56 Read article
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An Efficient Energy Management System for the PV Grid Tied and Battery Backed Up Systems for the Small Load Applications
Abstract: The energy management and the associated tools are gaining attention for the different applications. The concept of the Home Energy Management System (HEMS) is finding its usefulness in recent years. This paper explores the idea of HEMS with a small system comprised of a conventional grid, a PV source, and battery storage. The complementary action of the grid, solar generation, and the battery stored energy is functioning together to meet …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 3, 2018 · pp. 21–29 Read article
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Two Degrees of Freedom Observer Controller for Load Frequency Control with Communication Delay
Abstract: Two degrees of freedom (2-DOF) Smith predictor based observer controller is designed for load frequency control of two area systems with communication delay. The conventional proportional integral (PI) controller is used for command tracking and an independent observer based feedback controller is designed for disturbance of change in load demand. In interconnected power system, the presence of communication delay complicates the design and implementation of the controller. The original delayed …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 2, 2017 · pp. 35–44 Read article
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Power Distribution Network Restoration for Critical Load Conditions During Natural Disasters Using Distributed Energy Resources
Abstract: Electricity is getting a lot of attention these days because it is required for the smooth operation of many critical services (water, gas, communication, and so on). In order to assure a stable power supply, the electric distribution network is the final stage in sending electrical energy from the transmission scheme to users. Major disasters are unpredictable, unwanted, and unpreventable events. These impacts are magnified and intensified by damaging the …
Published in Trends in Electrical Engineering · Vol. 12, Issue 3, 2022 · pp. 30–41 Read article
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Power Management and Control of Hybrid Energy Storage System in a Standalone DC Microgrid
Abstract: The limited supply of fossil fuels and the growing global energy demand create global energy challenges. Power production systems based on renewable energy have become more prevalent due to increased challenges. As renewable power sources become more prevalent, erratic environmental conditions increase uncertainty in power production, control, and operation. To cope with these weather conditions, some support systems, such as storage devices, use renewable energy sources (RES). The hybrid energy …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 3, 2024 · pp. 41–52 Read article
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PI and Fuzzy Logic Controller Based Analysis of Load Frequency Control for Thermal-nuclear Hybrid Energy Systems
Abstract: In this paper a two-area system: area-1, which has a thermal power plant, and area-2, which contains a nuclear power plant. By combining these domains, two area thermal-nuclear systems are developed in the MATLAB Simulink framework. To ensure the quality of power generated and to feed the load, generation should be raised in tandem with the growth in load demand, or the network should be connected. Using various controllers, LFC …
Published in Trends in Electrical Engineering · Vol. 14, Issue 1, 2024 · pp. 1–9 Read article
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Fuzzy Based Power Flow Control in Grid Connected Hybrid PV-PEMFC Microgrid System
Abstract: This paper evaluates the performance of a fuzzy based power flow control of grid connected hybrid system. The hybrid system composed of a Photovoltaic (PV) array and a Proton exchange membrane fuel cell (PEMFC) is considered. The photovoltaic (PV) array normally uses a maximum power point tracking (MPPT) technique to continuously deliver the highest power to the load when there are variations in irradiation and temperature occur, which make it …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 1, 2016 · pp. 20–29 Read article