scholarly journals LFC of an Interconnected Power System with Thyristor Controlled Phase Shifter in the Tie Line

2012 ◽  
Vol 41 (9) ◽  
pp. 27-30 ◽  
Author(s):  
K. P.SinghParmar ◽  
S. Majhi ◽  
D. P. Kothari
Keyword(s):  
Power System ◽  
Phase Shifter ◽  
Interconnected Power System ◽  
Tie Line

AGC System after Deregulation Considering TCPS in Series with the Tie-Line

2015 ◽  
Vol 16 (3) ◽  
pp. 281-295 ◽  
Author(s):  
Rajesh Joseph Abraham ◽  
D. Das ◽  
A. Patra
Keyword(s):  
Power System ◽  
Phase Shifter ◽  
Automatic Generation ◽  
Ancillary Service ◽  
System Effect ◽  
Interconnected Power System ◽  
Power Oscillations ◽  
In Series ◽  
System Frequency ◽  
Tie Line

Abstract This paper presents the study of automatic generation control (AGC) of two area interconnected power system after deregulation, considering a thyristor controlled phase shifter (TCPS) in series with the tie-line. It is possible to minimize the system frequency and tie-power oscillations by controlling the phase angle of TCPS which is expected to provide a new ancillary service for the future power system. Effect of TCPS is examined for three different cases, i.e. (1) unilateral contract, (2) bilateral contract and (3) contract violation. Analysis reveals that a TCPS is quite capable of suppressing the frequency and tie-power oscillations effectively as compared to that obtained without TCPS.

scholarly journals Load Frequency Control of Photovoltaic-Gasifier for Interconnected Two-Area Power Systems

2019 ◽  
Vol 9 (1) ◽  
pp. 2101-2105
Keyword(s):  
Power Systems ◽  
Power System ◽  
Pid Control ◽  
Pid Controller ◽  
Power Flow ◽  
Frequency Control ◽  
Load Frequency Control ◽  
Interconnected Power System ◽  
Load Frequency ◽  
Tie Line

Load frequency control (LFC) in interconnected power system of small distribution generation (DG) for reliability in distribution system. The main objective is to performance evaluation load frequency control of hybrid for interconnected two-area power systems. The simulation consist of solar farm 10 MW and gasifier plant 300 kW two-area in tie line. This impact LFC can be address as a problem on how to effectively utilize the total tie-line power flow at small DG. To performance evaluation and improve that defect of LFC, the power flow of two-areas LFC system have been carefully studied, such that, the power flow and power stability is partially LFC of small DG of hybrid for interconnected two-areas power systems. Namely, the controller and structural properties of the multi-areas LFC system are similar to the properties of hybrid for interconnected two-area LFC system. Inspired by the above properties, the controller that is propose to design some proportional-integral-derivative (PID) control laws for the two-areas LFC system successfully works out the aforementioned problem. The power system of renewable of solar farm and gasifier plant in interconnected distribution power system of area in tie – line have simulation parameter by PID controller. Simulation results showed that 3 types of the controller have deviation frequency about 0.025 Hz when tie-line load changed 1 MW and large disturbance respectively. From interconnected power system the steady state time respond is 5.2 seconds for non-controller system, 4.3 seconds for automatic voltage regulator (AVR) and 1.4 seconds for under controlled system at 0.01 per unit (p.u.) with PID controller. Therefore, the PID control has the better efficiency non-controller 28 % and AVR 15 %. The result of simulation in research to be interconnected distribution power system substation of area in tie - line control for little generate storage for grid connected at better efficiency and optimization of renewable for hybrid. It can be conclude that this study can use for applying to the distribution power system to increase efficiency and power system stability of area in tie – line.

scholarly journals Frequency regulation of modern power system using novel hybrid DE-DA algorithm

2019 ◽  
Vol 8 (2) ◽  
pp. 103
Author(s):  
Sayantan Sinha ◽  
Ranjan Kumar Mallick
Keyword(s):  
Power System ◽  
Differential Evolution ◽  
Automatic Generation ◽  
Frequency Regulation ◽  
Hybrid Technique ◽  
Thermal Generation ◽  
Dragonfly Algorithm ◽  
Interconnected Power System ◽  
Load Disturbance ◽  
Tie Line

<p>An attempt has been made to regulate the frequency of an interconnected  modern power system using automatic generation control under a restructured market scenario. The system model considered consists of a thermal generation plant coupled with a gas turbine plant in both areas. The presence of deregulated market scenario in an interconnected power system makes it too vulnerable to small load disturbance giving rise to frequency and tie line power imbalances. An attempt has been made to introduce a novel Tilted Integral derivative controller to minimize the frequency and tie line power deviations and restrict them to scheduled values. A maiden attempt has been made to tune the controller gains with the help of a novel hybrid optimization scheme which includes the amalgamation of the exploitative nature of the Differential evolution technique and the explorative attributes of the Dragonfly Algorithm. This hybrid technique is therefore coined as Differential evolution- dragonfly algorithm (DE-DA) technique. Use of some standard benchmark fucntions are made to prove the efficacy of the proposed scheme in tunig the controller gains. The supremacy of the proposed TID controller is examined under two individual market scenarios and under the effect of a step load disturbance. The robustness of the controller in minimizing frequency deviations in the systems is broadly showcased. The superiority of the controller is also proved by comparing it with pre published results.</p>

scholarly journals Load Frequency Control of HVDC Link Interconnected Power System Using Genetic Algorithm

MENDEL ◽  
2019 ◽  
Vol 25 (1) ◽  
pp. 131-138
Author(s):  
Saurabh Chanana ◽  
Saurabh Kumar
Keyword(s):  
Genetic Algorithm ◽  
Power System ◽  
Frequency Control ◽  
Frequency Measurement ◽  
Control Area ◽  
Load Frequency Control ◽  
Support Functions ◽  
Interconnected Power System ◽  
Load Frequency ◽  
Tie Line

Advances in power electronics have improved grid support functions such as tie-line power control and frequency control, making renewable generation and High Voltage DC (HVDC) links more common in power system applications. Load Frequency Control (LFC) systems handle the complex interactions between the distributed generator and the control area with the HVDC link. In this work, LFC of a two-zone system including parallel AC/DC transmission links has been analysed. The parameters of this system are optimised using advanced genetic algorithm resulting in improved performance of system in terms of reduction in peak overshoots and settling time of frequency measurement, tie line power flow and area control error signals in an interconnected power system. The advantage of having parallel HVDC links is also demonstrated when performance is compared to system interconnected with only AC tie line.

scholarly journals Improved Automatic Generation Control of Interconnected Power System

2019 ◽  
Vol 8 (2S8) ◽  
pp. 1136-1139
Keyword(s):  
Power System ◽  
Automatic Generation ◽  
Automatic Generation Control ◽  
Dynamic Reaction ◽  
Matlab Simulink ◽  
Interconnected Power System ◽  
Generation Control ◽  
Tie Line ◽  
The Way

In present day manage frameworks situation, the most intense significance is given to interconnection of different frameworks on the way to meet the dynamical modifications in burdens additionally energy movements via specific elements. it's miles essential to manipulate the framework recurrence and tie-line streams of an interconnected electricity framework. Albeit, normal controllers are applied to meet the ones conditions, yet on the same time a a success controller is required for powerful manage. in this paper, an progressed programmed age manipulate (AGC) with fluffy cause for a -zone heat hydro manage framework is exhibited. Contingent on the factors of burden, required suggestions are completed to improve enduring us of a and dynamic reaction of two-place manage framework. The adequacy of proposed controller is stated via making use of MATLAB/Simulink programming.

Sign in / Sign up

Export Citation Format

Share Document