Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay

In this paper, a model-based tuning method for a PID controller of excitation systems based on a simplified model that considers measurement delay is proposed. The conventional model-based tuning method, which has been studied previously, uses a simplified excitation system model that ignores all th...

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Main Authors: Kyoung-Min Choo, Chung-Yuen Won
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/4/939
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author Kyoung-Min Choo
Chung-Yuen Won
author_facet Kyoung-Min Choo
Chung-Yuen Won
author_sort Kyoung-Min Choo
collection DOAJ
description In this paper, a model-based tuning method for a PID controller of excitation systems based on a simplified model that considers measurement delay is proposed. The conventional model-based tuning method, which has been studied previously, uses a simplified excitation system model that ignores all the delay components. However, since the rms voltage measurement can take hundreds of milliseconds to calculate depending on the system settings, this delay cannot be ignored when the required response needs to be as fast as the measurement delay. Furthermore, the linearity of the measurement method is not taken into account because the measurement delay has already been ignored. Therefore, in this paper, a simplified model that considers measurement delay and its linearity is proposed, and a model-based tuning method of PID controllers for two kinds of excitation systems is proposed and compared with the conventional method by analysis. To verify the analysis and proposed tuning method, experiments are conducted for both excitation systems.
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spelling doaj.art-3a5826645ac54670a30771963fbe958a2022-12-22T04:01:21ZengMDPI AGEnergies1996-10732020-02-0113493910.3390/en13040939en13040939Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement DelayKyoung-Min Choo0Chung-Yuen Won1College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, KoreaCollege of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, KoreaIn this paper, a model-based tuning method for a PID controller of excitation systems based on a simplified model that considers measurement delay is proposed. The conventional model-based tuning method, which has been studied previously, uses a simplified excitation system model that ignores all the delay components. However, since the rms voltage measurement can take hundreds of milliseconds to calculate depending on the system settings, this delay cannot be ignored when the required response needs to be as fast as the measurement delay. Furthermore, the linearity of the measurement method is not taken into account because the measurement delay has already been ignored. Therefore, in this paper, a simplified model that considers measurement delay and its linearity is proposed, and a model-based tuning method of PID controllers for two kinds of excitation systems is proposed and compared with the conventional method by analysis. To verify the analysis and proposed tuning method, experiments are conducted for both excitation systems.https://www.mdpi.com/1996-1073/13/4/939auto voltage regulatorexcitation systemsynchronous generator
spellingShingle Kyoung-Min Choo
Chung-Yuen Won
Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay
Energies
auto voltage regulator
excitation system
synchronous generator
title Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay
title_full Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay
title_fullStr Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay
title_full_unstemmed Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay
title_short Analysis of Model-Based Tuning Method of PID Controller for Excitation Systems Considering Measurement Delay
title_sort analysis of model based tuning method of pid controller for excitation systems considering measurement delay
topic auto voltage regulator
excitation system
synchronous generator
url https://www.mdpi.com/1996-1073/13/4/939
work_keys_str_mv AT kyoungminchoo analysisofmodelbasedtuningmethodofpidcontrollerforexcitationsystemsconsideringmeasurementdelay
AT chungyuenwon analysisofmodelbasedtuningmethodofpidcontrollerforexcitationsystemsconsideringmeasurementdelay