Automatic Generation Control of the Caruachi Hydroelectric Power Plant

García, Domínguez; Loreto, J.

doi:10.1109/tdcla.2006.311445

Cited by 3 publications

(1 citation statement)

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“…The most widely used example is the well-known automatic generation control (AGC), which can be used for both normal operating conditions and contingencies [50], [86]. Although some AGCs have been implemented using a decentralized control approach [51], most of them are based on centralized control structures [52], [53], [54].…”

Section: ) Centralized Controlmentioning

confidence: 99%

Review of Wide-Area Controllers for Supporting Power System Stability

et al. 2023

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Countries around the world are transitioning from conventional power systems dominated by synchronous generators towards low-carbon resources, characterized by high levels of converter-interfaced generators (CIGs). With this transformation, hundreds or even thousands of fast power electronic devices will be added to the grid as CIG penetration increases, thus making the system dynamic response progressively faster and more complex. This future scenario poses significant challenges in power system stability and control. To sustain power system stability in future power systems and achieve a seamless transition, we need to depart from current control practices based on decentralized and stand-alone local control actions and begin to explore new methods. A promising technology to overcome control complexities and underlying stability issues in future low-inertia power systems are wide area control (WAC). Within this technology, the control is no longer based on a purely localized tasks but rather a set of coordinated actions across wide areas in which interplant communication plays a key role. This paper presents the state of the art of existing research efforts in the field of WAC strategies for maintaining stability in large-scale low-inertia power systems of the future. We present different WAC solutions that have been put forward hitherto, we put these control strategies into context, classify them, and finally relate them to each other. We also raise open questions and challenges that need to be addressed in order to ensure a secure transition towards power systems dominated by CIGs. INDEX TERMS Power system control, power system stability, time delays, telecommunication issues, widearea measurement systems (WAMSs), wide-area power systems (WAPSs), wide-area control (WAC), power system control architecture, control techniques.

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Section: ) Centralized Controlmentioning

confidence: 99%

Review of Wide-Area Controllers for Supporting Power System Stability

et al. 2023

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A comprehensive state of the art literature survey on LFC mechanism for power system

Shankar

Pradhan

Chatterjee

et al. 2017

Renewable and Sustainable Energy Reviews

200

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Advanced Algorithms in Automatic Generation Control of Hydroelectric Power Plants

et al. 2022

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The problem of load distribution between hydraulic units at hydropower plants is a difficult task due to the nonlinearity of hydro turbine characteristics and individual peculiarities of the generation units, in which operating conditions are often different. It is necessary to apply the most up-to-date optimization methods that take into account the nonlinearity of the turbine characteristics. The methods must also consider strict constraints on the operation conditions of the power equipment when searching for the extremum of the objective function specified in the form of equalities and inequalities. When solving the aforementioned optimization problem, the constraints on computing capacities of the digital automatic generation control systems that must operate in real-time mode were taken into account. To solve the optimization task, the interior point method was analyzed and the method of Lagrange multipliers was modified so that it could minimize turbine discharge and active energy losses in the windings of the power generators and unit power transformers. The article presents the simulation results of the developed optimization algorithms and the results of the field tests of the automatic generation control system executing the proposed algorithms. All of the tests showed a fairly high efficiency of the proposed optimization methods in real operation conditions.

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Automatic Generation Control of the Caruachi Hydroelectric Power Plant

Cited by 3 publications

References 0 publications

Review of Wide-Area Controllers for Supporting Power System Stability

Review of Wide-Area Controllers for Supporting Power System Stability

A comprehensive state of the art literature survey on LFC mechanism for power system

Advanced Algorithms in Automatic Generation Control of Hydroelectric Power Plants

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