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What is Frequency Control

Handbook of Research on Smart Power System Operation and Control
Frequency control is a process of maintaining the stability of a power system. In the power system, the frequency of the loop gets deviate from the steady-state value under the action of load perturbation. Load frequency controller is employed to regulate the power generation level to match the load profile to keep the area frequency at its nominal value (±2.5Hz of nominal value).
Published in Chapter:
Dynamic and Stability Analysis of Wind-Diesel-Generator System With Intelligent Computation Algorithm: Computation Algorithms Applied to WDG System
Dipayan Guha (Motilal Neheru National Institute of Technology Allahabad, India), Provas Kumar Roy (Kalyani Government Engineering College, India), and Subrata Banerjee (National Institute of Technology Durgapur, India)
Copyright: © 2019 |Pages: 40
DOI: 10.4018/978-1-5225-8030-0.ch003
In this chapter, the dynamic performance of a wind-diesel-generator system has been studied against wind and load perturbations. The wind perturbation is modeled by simulating base, ramp, gust, and random wind. An optimized cascade tilt-integral-derivative (CC-TID) controller is provided to the test system for producing desired control signal to regulate the blade pitch angle of wind turbine. To confirm the efficacy of CC-TID controller, the output results are compared to that of PI- and PID-controller. The optimum gains of the proposed controllers are explored employing Levy-embedded grey wolf optimization, whale optimization algorithm, drone squadron optimization, and search group algorithm. To show the effectiveness, the output results are compared to the results of genetic algorithm and particle swarm optimization tuned controllers. A thyristor control series compensator (TCSC) is provided to WDG model for increasing the damping of system oscillations. Analysis of the presented results confirm the supremacy of CC-TID-TCSC controller over other controllers provided in this chapter.
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An On-Line PSO-Based Fuzzy Logic Tuning Approach: Microgrid Frequency Control Case Study
This control can be used to stabilize the power system frequency, and to remove the steady state frequency error and restore the system frequency, following a fault/disturbance.
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