PI controller based frequency regulator for distributed generation

Kumar, Badal; Mishra, Sukumar; Bhende, Chandrashekhar N.; Chauhan, Manish

doi:10.1109/tencon.2008.4766765

Cited by 11 publications

(12 citation statements)

References 10 publications

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“…When power demand fluctuates the micro turbine could vary its output via fuel regulation to its governor. In this paper micro turbine is represented with a first order transfer function [1] as given in (1):…”

Section: Micro Turbinementioning

confidence: 99%

Frequency Control in a Micro Grid with Wind Turbine System

Shahrood¹,

Moghaddas-Tafreshi²,

Viky³

et al. 2012

AMR

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In this paper a micro grid that consists of micro turbine, fuel cell, wind turbine, electrolyzer, ultra capacitor and battery, is analyzed for frequency control, during several load disturbances. In other word, produced power from all the other distributed generation (DG) sources are regulated by PI controllers. As the balance between the load and generation changes, the power system frequency deviates. In order to reduce these frequency deviations, the PI controllers, used to regulate the power flow from DGs. It is proposed that, proportional and integral gains tuned through trial and error method.

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Section: Micro Turbinementioning

confidence: 99%

Frequency Control in a Micro Grid with Wind Turbine System

Shahrood¹,

Moghaddas-Tafreshi²,

Viky³

et al. 2012

AMR

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“…On the other hand, islanded microgrid operation has highlighted the necessity of a frequency leader due to the high integration of the RES whose intermittent nature characteristic complicates the use of traditional control schemes. Voltage and frequency regulation for isolated generators are studied in some research papers .…”

Section: Introductionmentioning

confidence: 99%

Hybrid adaptive fault-tolerant control algorithms for voltage and frequency regulation of an islanded microgrid

Martínez

Minchala

Zhang

et al. 2014

Int. Trans. Electr. Energ. Syst.

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Summary This paper presents new design methodology and performance comparison of two hybrid fault‐tolerant control (FTC) schemes applied to the regulation of the frequency and voltage amplitude of a diesel engine generator installed in a microgrid. Both of them are based on a unique combination of a model reference adaptive control (MRAC) with a proportional‐integral‐derivative (PID) controller and artificial intelligence techniques, i.e. artificial neural networks (ANN) and genetic algorithms (GA). Since in an islanded microgrid, the frequency of the system is determined by the shaft speed of the diesel engine (DE), while the voltage amplitude is set by the synchronous generator (SG) field voltage, therefore, two FTC systems for frequency and voltage regulation have been implemented in each proposed control scheme. The first scheme consists of an MRAC system with a PID controller tuned by a GA for controlling the speed of the DE and a classic MRAC system for controlling the voltage amplitude of the SG. In the second scheme, an MRAC system with a GA‐tuned PID controller is used for the DE, and a hybrid controller in which the MRAC is combined with an ANN and a PID controller tuned by a GA is designed for the SG. The dynamic models of the microgrid components are presented in detail, and the proposed microgrid and its FTC systems are implemented and tested in the Simpower Systems of MATLAB/Simulink® simulation environment. All results indicate high effectiveness and robustness of the MRAC‐based FTC schemes in both normal and emergency/faulty operations of the microgrid in comparison with a benchmark baseline controller, IEEE Type 1 AVR for the SG and a PID controlled governor for the DE. Copyright © 2014 John Wiley & Sons, Ltd.

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“…On the other hand, islanded microgrid operation needs a frequency leader due to the high integration of Renewable Energy Sources (RES) whose intermittent characteristic due to climate dependability, complicates the use of traditional control schemes. For instance, a Sliding Mode Control for voltage amplitude regulation of a stand-alone synchronous generator connected to a resistive load is presented in Munoz-Aguilar et al (2011), while in Kumar et al (2008) a frequency regulator for a hybrid wind-diesel power system through multiple PI controllers is proposed. LPV control strategies have also been used for similar cases, where a DEG is feeding a group of loads He and Yang (2006) and interconnected with RES forming a hybrid power system, Croci et al (2012).…”

Section: Introductionmentioning

confidence: 99%