Abstract: This paper presents a methodology for accurately predicting the minimum value of capacitance necessary to initiate excitation in a standalone self-excited reluctance generator (SERG). The methodology is based on modeling, analysis and simulation of various capacitances to determine the range of capacitance needed for excitation. The dynamic and steady-state performances of the self-excited reluctance generator were analyzed under different operating conditions. This analysis was done by developing a complete dynamic model of SERG including the excitation capacitors and load. The performances of the machine under conditions of constant load, and varying loads were analyzed and presented. The modeling and simulation have been carried out using MATLAB‐Simulink platform. The results obtained shows that for excitation to take place, the minimum value of capacitor needed is 61µf, below which the generator will not excite. The machine could excite and attained its rated voltage between 61µf to 110µf, above which the generator begins to generate over voltage. For the dynamic performance analysis, the results shows that with the variations in the connected loads, the output frequency of SERG remains constant, which makes it a good alternative for remote area applications.

Keywords: Reluctance generator, Modelling, Excitation Capacitance, Computer, Matlab Simulink. 

Title: MODELLING AND SIMULATION OF SHUNT CAPACITOR EXCITED RELUCTANCE GENERATOR AS A STAND-ALONE GENERATOR

Author: Amu Victor Ndubuisi, M.O Alor

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

Vol. 10, Issue 2, April 2022 - June 2022

Page No: 27-34

Research Publish Journals

Website: www.researchpublish.com

Published Date: 01-June-2022

Abstract: This work presents optimizing the power flow stability of 330KV transmission system using Static Var Compensator (SVC).  The aim is to ensure stability, control and regulation of power flow during times of nonlinearity arising as a result of fault conditions which induces excess reactive and active power within the system. This problem was formulated using Newton Raphson load flow analysis to identify the weak busses. Static Var Compensator (SVC) was developed and used to improve the poor buses identified from the study and then implemented with Simulink. The result showed that the SVC was able to improve the bus performance to achieve voltage profile of 0.95 – 1.05p. The SVC was integrated on the Nigerian 330KV transmission lines and evaluated. The result showed that the characterized bus with poor voltage profile was corrected.

Keywords: Power Stability, Transmission Lines, Static Var Compensator, Control, Regulation, fault, load flow studies.

Title: OPTIMIZING THE POWER FLOW STABILITY OF 330KV TRANSMISSION SYSTEM USING STATIC VAR COMPENSATOR

Author: Onyeaka K.C., Dr. Alor M.O., Ebere U.C.

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

Vol. 10, Issue 2, April 2022 - June 2022

Page No: 17-26

Research Publish Journals

Website: www.researchpublish.com

Published date: 05-May-2022

Abstract: This paper presents a new design of various load frequency PI controllers based on various Artificial Intelligence (AI) optimization techniques optimization techniques such as Fuzzy logic, Adaptive Neuro Fuzzy interference system (ANFIS) for a three area power system Load Frequency Control (LFC) is a technique for regulating and controlling the frequency of an electric generator's output signal power within an area in response to changes in system loads and power in tie line changed with other. The frequency deviation is improved by the performance of the controller under investigation. signal, as well as the peak overshoot and settling time of the frequency output signal,  .MATLAB/SIMULINK tools are used to validate the suggested scheme's performance.

Keywords: PI (Proportional and Integral), Fuzzy, ANFIS (Adaptive Neuro Fuzzy interference system) , LFC (Load Flow Control), MATLAB (Matrix Laboratory).

Title: Analysis of multi network system load frequency control with different adaptive controllers

Author: Rohit kumar, Dr. Amit Kumar Choudhary

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

Volume 10, Issue 2, April 2022 - June 2022

Page: 1-7

Research Publish Journals

Published Date: 08-April-2022

Website: www.researchpublish.com

Abstract: This work presents the minimization of acoustic noise in the Nigerian broadcasting industry using the adaptive noise canceller. This was embarked upon to address the problem of poor quality of service due to acoustic noise in broadcasting studio. To achieve this, empirical study to determine the level of noise in the broadcasting signal was conducted at Dream FM radio station, via characterization. A model of adaptive noise canceller was then developed using least square algorithm and noise canceller algorithm. The noise canceller detects the noise in the broadcasting signal, and then the least square algorithm filters the noise using reference noise value and gives throughput of clear broadcast service. This adaptive noise cancelling scheme was deployed on the radio station mixer using Simulink and then simulated for results and evaluations. The result showed that noise was reduced from 0.56dB to 0.22dB.

Keywords: Acoustic Noise, Adaptive Noise Canceller, Least Square Algorithm, Broadcasting Signal.

Title: MINIMIZATION OF ACOUSTIC NOISE IN A BROADCASTING STUDIO USING AN ADAPTIVE NOISE CANCELLER

Author: Onogwu J.O., Prof. Onoh G.N.

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

Research Publish Journals