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Load-frequency control service in a deregulated environment

A.P.Sakis Meliopoulos, George J. Cokkinides, A.G. Bakirtzis
1999 Decision Support Systems  
In a deregulated environment independent generators and utility generators may or may not participate in the load-frequency control of the system.  ...  The utilities define the units which will be under load-frequency control, while the independent power producers may or may not participate in the load frequency control.  ...  Conclusions Load-frequency control in a deregulated environment may result in free choice by units to participate or not in this operation.  ... 
doi:10.1016/s0167-9236(98)00078-5 fatcat:omwzsznjgnc65cnmcjfgffeon4

Load-frequency control service in a deregulated environment

A.P. Sakis Meliopoulos, G.J. Cokkinides, A.G. Bakirtzis
Proceedings of the Thirty-First Hawaii International Conference on System Sciences  
In a deregulated environment independent generators and utility generators may or may not participate in the load-frequency control of the system.  ...  The utilities define the units which will be under load-frequency control, while the independent power producers may or may not participate in the load frequency control.  ...  Conclusions Load-frequency control in a deregulated environment may result in free choice by units to participate or not in this operation.  ... 
doi:10.1109/hicss.1998.656008 dblp:conf/hicss/MeliopoulosCB98 fatcat:4fdgfb756jfape4h47fbym6cte

An Inclusive Review on Load Frequency Control in Deregulated Market

Shital M Pujara, Chetan D Kotwal
2016 International Journal on Electrical Engineering and Informatics  
Section IV, analyzes about a variety of load frequency control mechanisms after electricity deregulation.  ...  This paper presents an overview of load frequency control service prevailing in India and other developed countries after deregulation.  ...  Introduction In a deregulated environment, Load Frequency Control (LFC) as an ancillary service acquires a principal role to maintain the complex electric system reliability at an adequate level.  ... 
doi:10.15676/ijeei.2016.8.3.9 fatcat:3qrg52umzjf4xitkwtijwvf2hi

Load frequency control of thermal system under deregulated environment using slime mould algorithm

Sambugari Anil Kumar, M. Siva Sathya Narayana, K. Jithendra Gowd
2021 International Journal of Power Electronics and Drive Systems (IJPEDS)  
This paper emphasizes the significance of PID controller parameters using a slime mould algorithm (SMA) to reduce load frequency control (LFC) issues in a thermal system in an open market scenario.  ...  of the system as frequency in each area, and also deviations in tie line power after sudden load violation.  ...  In the real-time electricity market, most vertically integrated utility (VIU) ancillary services play various roles in a deregulated environment.  ... 
doi:10.11591/ijpeds.v12.i4.pp2221-2229 fatcat:pheza4o4zjemzbcd7iktvrdtpu

Automatic Generation Control of an Interconnected Power System Before and After Deregulation

Pardeep Nain, K. P. Singh Parmar, A. K. Singh
2013 International Journal of Computer Applications  
The AGC in deregulated environment is studied for three different contract scenarios. To simulate bilateral contracts in deregulated system, the concept of DISCO participation matrix (DPM) is applied.  ...  Each control area includes the dynamics of thermal systems. The AGC in conventional power system is studied by giving step load perturbation (SLP) in either area.  ...  In restructured environment, change in the load demand of a DISCO results in change of a local load in the same DISCO area. This corresponds to the local load power system block.  ... 
doi:10.5120/10003-4865 fatcat:nnf6jd33ifbn3gf2ea7hfrapga

H-Infinity Loop-Shaping Controller for Load Frequency Control of a Deregulated Power System

R. Arlene Davidson, S. Ushakumari
2016 Procedia Technology - Elsevier  
A decentralized load frequency controller using H-infinity based loopshaping method is suggested for a two area deregulated non-reheat thermal power system in this paper.  ...  This necessitates the use of advanced robust controllers for load frequency control.  ...  deregulated environment for multi-source combination of hydro, reheat thermal and gas generating units in each control area.Optimal load frequency controller for a two area non-reheat thermal deregulated  ... 
doi:10.1016/j.protcy.2016.08.172 fatcat:ouc6wfxa4bc5johnwdkicxlqby

DEREGULATED POWER SYSTEM BASED STUDY OF AGC USING PID AND FUZZY LOGIC CONTROLLER

BibhuPrasad Ganthia, Krishna Rout
2016 International Journal of Advanced Research  
In this paper automatic generation control for deregulated power systems equipped different controllers are studied using PID and fuzzy logic controller.  ...  In both the power system model Fuzzy-PID controller proves to be performing better in terms of undershoot, overshoot & settling time which is further extended to a non-linear three-area thermal power system  ...  AGC in deregulated environment A. Restructured Power system In the competitive environment of power system, the vertically integrated utility (VIU) no longer exists.  ... 
doi:10.21474/ijar01/823 fatcat:opmet7vaxfa35ph4hniva2fasy

A Novel Approach for a Two Area Load Frequency Control in a Competitive Electricity Market Adopting Unscheduled Interchange Price

Murugesan Bhavani, Kamatchi Selvi, Ravi Durga
2016 Circuits and Systems  
This paper proposes a novel price based load frequency control scheme for a two area system, using an Unscheduled Interchange (UI) price signal, which is ideal and suitable for electricity market.  ...  In this paper, the GENCOs instead of reacting to this price signal manually, an automated mode of frequency control is deployed in each area using UI price signal to achieve fast response to load change  ...  Load Frequency Control is one among such ancillary services.  ... 
doi:10.4236/cs.2016.77099 fatcat:as2kuoj2dffdrilnzrc566t7ru

Application of Fuzzy-PIDF Controller for AGC of A Two-Area Interconnected Thermal Power System under Deregulated Environment

2019 International Journal of Engineering and Advanced Technology  
and gains & filter co-efficient of the derivative filter of the proposed fuzzy PIDF controller under different transactions in the competing market.  ...  This paper presents the application of fuzzy PID controller and fuzzy PID controller aided with derivative filter (fuzzy PIDF) to analyse the automatic generation control (AGC) issue of a two-area interconnected  ...  Application of Fuzzy-PIDF Controller for AGC of A Two-Area Interconnected Thermal Power System under Deregulated Environment When a VIU is subjected to a sudden change in load, frequency of that VIU undergoes  ... 
doi:10.35940/ijeat.f9501.088619 fatcat:divo4eivozcgtawws2helbtvle

Two Stage Optimized Fuzzy Controlled Multi-Area System for AGC in Smart Grid Age

Y.K. Bhateshvar, H.D. Mathur
2015 Procedia Technology - Elsevier  
The proposed control scheme shows the better dynamic response following a step load change with combination of PoolCo and bilateral contracts in deregulated environment.  ...  A model of two area deregulated power system with automatic generation control (AGC) is developed.  ...  Fig. 1 . 1 Comparison of different controller for two area thermal-hydro power system with load change by each DISCO as test case (a) frequency deviation in Area-1, (b) frequency deviation in Area-2, (  ... 
doi:10.1016/j.protcy.2015.10.054 fatcat:55li7k43mbf6hfzosctofyw624

Significance of SMES Devices for Power System Frequency Regulation Scheme Considering Distributed Energy Resources in a Deregulated Environment

Dillip Kumar Mishra, Daria Złotecka, Li Li
2022 Energies  
In particular, load frequency control has been a great challenge over the past few decades to ensure the stable operation of power systems.  ...  Finally, this study demonstrated the effectiveness of the proposed restructured power system in a deregulated environment.  ...  Acknowledgments: The article was created thanks to participation in the program PROM of the Polish National Agency for Academic Exchange.  ... 
doi:10.3390/en15051766 fatcat:ssv7prj3hvbuvphmwd7qbsd7qi

A Decentralized Automatic Generation Control Scheme for Competitive Electricity Markets

B. Tyagi, S.C. Srivastava
2006 IEEE Transactions on Power Systems  
In this paper a general model for multi-area AGC, suitable for deregulated electricity market has been proposed.  ...  Different types of transactions, possible in the deregulated markets, have also been considered to develop the model.  ...  The load frequency control in a deregulated market will be a technical requirement for meeting various power transactions at an acceptable system frequency.  ... 
doi:10.1109/tpwrs.2005.860928 fatcat:hv33ieqsnjctti3qgol7mw7fxe

Two-area load frequency control with redox flow battery using intelligent algorithms in a restructured scenario

Lakshmi DHANDAPANI, Peerfathima ABDULKAREEM, Ranganath MUTHU
2018 Turkish Journal of Electrical Engineering and Computer Sciences  
Load frequency control (LFC) is an essential aspect of power system dynamics. This paper focuses on the optimization of LFC for a two-area deregulated power system under different scenarios.  ...  During large load disturbance in the areas, controllers are incapable of reducing frequency deviations and tie-line power oscillations due to the slow response of the speed governor mechanism.  ...  The North American Electric Reliability Council identified 12 ancillary services, among which load frequency control (LFC) is an important ancillary service.  ... 
doi:10.3906/elk-1512-298 fatcat:dtx53t62gjdohpecs2gm5a3gtm

ANCILLARY SERVICE REQUIREMENT BASED AUTOMATIC GENERATION CONTROL ASSESSMENT IN A DEREGULATED POWER SYSTEM WITH HES AND IPFC UNITS

B. BASKAR, B. PARAMASIVAM, I. A. CHIDAMBARAM
2018 Journal of Engineering Science and Technology  
This paper intends the evaluation measures for obtaining the Ancillary ServicesRequirement (ASR) indices stand on Automatic Generation Control (AGC) in a deregulated power system.Ancillary services are  ...  of the interconnected power system under deregulated environment.  ...  So that in a deregulated system, regulation and load following are the Ancillary Service Requirement Based Automatic Generation Control . . . . 3105 Journal of Engineering Science and Technology October  ... 
doaj:6a1e4270620c44f48461da69d47f79ab fatcat:47hrp7pu3za4ffdxti575g2jki

Practical viewpoints on load frequency control problem in a deregulated power system

Elyas Rakhshani, Javad Sadeh
2010 Energy Conversion and Management  
An attempt is made in this paper to present feasible and practical methods to improve dynamic response of load frequency control problem in a deregulated power system.  ...  Also, with using a reduced-order observer, the dynamic response of system is improved. In fact, using these methods is necessary for load frequency control problem in a practical environment.  ...  In this paper, the dynamical response of the load frequency control problem in the deregulated environment is improved with a pragmatic viewpoint.  ... 
doi:10.1016/j.enconman.2009.12.024 fatcat:ubxjpshavbdbfexv6j4mms3sva
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