Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Maximum Power Flow and Line Loadability

Maximum Power Flow and Line Loadability

The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.

Distributed Loads

Distributed Loads

Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...

Load-frequency control

Load-frequency control

Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...

Power System Distribution

Power System Distribution

Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...

Reducing Line Loss

Reducing Line Loss

In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...

Multimachine Stability

Multimachine Stability

Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The Impact of rs-fMRI Preprocessing on the Quality of Machine Learning Models for Autism Spectrum Disorder Diagnosis.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025

See all related articles

Search research articles

Related Experiment Videos

Optimal load distribution between units in a power plant.

Edson C Bortoni¹, Guilherme S Bastos, Luiz E Souza

¹Electrical and Energy Systems Institute, Itajubá Federal University, Brazil. bortoni@unifei.edu.br

ISA Transactions

|May 18, 2007

Summary

This study introduces a new method for optimizing energy conversion efficiency in hydropower plants. It uses a heuristic optimization tool for real-time load distribution, maximizing efficiency without prior component data.

Related Experiment Videos

Area of Science:

Engineering
Energy Systems
Optimization Techniques

Background:

Hydro power plants require efficient load distribution for optimal performance.
Maximizing energy conversion efficiency is crucial for economic and environmental reasons.
Existing methods may require extensive prior data on component efficiencies.

Purpose of the Study:

To develop a strategy for load distribution in hydropower plants.
To maximize energy conversion efficiency for a given dispatched power.
To provide online energy conversion efficiency for each generating unit.

Main Methods:

A heuristic-based combinatorial optimization technique is employed.
Real-time load sharing is achieved through system variable measurements.
A tool is developed to provide online efficiency data for each unit.

Main Results:

The proposed optimization technique was simulated using typical hydropower plant data.
The results demonstrate the effectiveness of the heuristic approach for load distribution.
The system provides online efficiency without needing prior component information.

Conclusions:

The developed strategy effectively optimizes load distribution in hydropower plants.
The heuristic optimization tool enhances real-time energy conversion efficiency.
This approach offers a practical solution for improving hydropower plant operations.