Search
161 articles for “MATLAB”
-
Grid Interconnection of RES at the Distribution Level with Power-Quality Enhancement Features
Abstract: This paper describes enhanced technique of power quality at utility end in a network framework associated with renewable source of energy for power generation. With advancement of new functionalities sunlight based vitality based Photovoltaic cells are forthcoming energy source with higher efficiency. With the increase in load demand, the Renewable Energy Sources (RES) are increasingly connected in the distribution systems which utilizes power electronic Converters/Inverters. The Photo Voltaic (PV) Panel …
Published in International Journal of Analog Integrated Circuits · Vol. 1, Issue 1, 2015 · pp. 18–26 Read article
-
Effect of various parameters and Equivalent Circuit Analysis on Degradation of Organic Solar Cell
Abstract: This study conducts a mathematical analysis on organic solar cells. Two modeling approaches are studied, equivalent circuit model and optical model. Equivalent circuit model study is conducted by undergoing parametric extraction study of two diode model by implementing genetic algorithm using optimization toolbox in Matlab 2014. Two studies conducted in this section, two diode model study on degradation of organic solar cell under continuous illumination. The optimization studies includes the …
Published in International Journal of Analog Integrated Circuits · Vol. 2, Issue 2, 2016 · pp. 5–9 Read article
-
Irregular Single-Phase Multilevel Inverter Topology to Enhanced Power Quality
Abstract: A single-phase asymmetrical cascaded multilevel inverter is introduced with the goal of increasing power quality with the reduction of power in insulated-gate bipolar transistor (IGBT) switches. In the present work, the proposed inverter topology is analyzed and generalized with respect to different proposed algorithms for choosing different voltage source values. To prove the advantages of the proposed inverter, a case study involving a 17-level inverter is conducted. The simulation and …
Published in International Journal of Analog Integrated Circuits · Vol. 3, Issue 2, 2017 · pp. 36–47 Read article
-
NEWLEACH: Enhanced LEACH Energy Efficient Approach in WSN
Abstract: ABSTRACT Depending on the existence of the sensor node in any WSN network life, proper load balancing is therefore very helpful to improve network. Cluster head is selected such that it should be near to the base station and have maximum residential energy than other cluster-specific nodes. Size of cluster is controlled by using location-based cluster joining methods such that nodes select their nearest collection head based on the signal …
Published in International Journal of Broadband Cellular Communication · Vol. 5, Issue 1, 2019 · pp. 5–13 Read article
-
DC Voltage Regulation of UPFC Using Artificial Neural Network Controller
Abstract: A feed forward Artificial Neural Network (ANN) with back propagation control is proposed to remove the peak over shoot of the DC capacitor voltage used in Unified Power Flow Controller (UPFC). Proposed ANN controller is tested for the UPFC with wind energy conversion system connected to grid using MATLAB/SIMULINK and the results are compared with the PI controller. From the results, it is clear that ANN controller helps to regulate …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 13–20 Read article
-
Fuzzy Logic for Temperature Control Process
Abstract: A closed loop control system incorporating fuzzy logic has been established for a temperature control process. A unique fuzzy logic controller structure with an efficient realization and a small rule base that can be easily implemented in temperature control process. MATLAB simulations are supported out and response is attained for fuzzy logic.
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 2, 2017 · pp. 21–25 Read article
-
BER Analysis of Digital Modulation Schemes for OFDM System
Abstract: The growth in the field of communication and the requirement of high-speed and secured data transmission are increasing day by day. Orthogonal frequency-division multiplexing modulation technique is a new technique which supports high-speed data transmission. It is a method of signal modulation that divides a high data rate modulating stream into several slowly modulated narrowband close-spaced subcarriers, and in this way, it is less sensitive to frequency-selective fading. The present …
Published in International Journal of Digital Communication and Analog Signals · Vol. 4, Issue 1, 2018 · pp. 15–23 Read article
-
PERFORMANCE EVALUATION COMPARISON OF LMS AND NLMS ALGORITHM FOR AEC IN SPEECH PROCESSING
Abstract: ABSTRACTAn acoustic echo cancellation is a technique used to decrease the acoustic noise in corrupted speech signal. Adaptive filter is using to cancel the acoustic echoes. For better conversation in telecommunication application to achieve the control of acoustic echoes is important and for the proposed acoustic canceller echo algorithm is used to reduce unwanted noise. There is a requirement for more than thousands taps in acoustic echo path so this …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 2, 2019 · pp. 9–19 Read article
-
Performance Analysis of BER and SNR of BPSK in AWGN Channel
Abstract: Modulation of digital signals has also been a challenge for decades in the communication industries, despite its higher advantage over the analogue method of modulations. The digital techniques still face the same attenuation issue which is also known as bit error rate distortion. In other words, the BPSK has been one of the easiest and better option when it comes to choosing a modulation method because if it low bit …
Published in International Journal of Digital Communication and Analog Signals · Vol. 7, Issue 1, 2021 · pp. 27–38 Read article
-
A Hybrid BPS-DCT Based Digital Image Watermarking Technique
Abstract: In this paper a hybrid algorithm using Bit Plane Slicing (BPS) and Discrete Cosine Transform (DCT) for digital image watermarking is proposed. There are two main requirements for digital image watermarking: imperceptibility and robustness. Imperceptibility is measured by Peak Signal to Noise Ratio and robustness is obtained by correlation between original and extracted watermark image. In this algorithm an image and watermark is first sliced into its bit planes using …
Published in International Journal of Digital Communication and Analog Signals · Vol. 7, Issue 2, 2021 · pp. 31–40 Read article
-
PI CONTROLLER BASED SHUNT ACTIVE POWER FILTER FOR HARMONIC REDUCTION
Abstract: The active power filter is an advanced power electronic device, which can be used for compensating harmonics and improving power quality. The different types of active power filter are shunt active power, series active power, hybrid active power filter. Among the three types, The shunt active power filter injects a suitable compensating current at point of common coupling so that the harmonics present in the line are cancelled out and …
Published in International Journal of Electrical Power System and Technology · Vol. 1, Issue 1, 2015 · pp. 11–26 Read article
-
Temperature and Water Level Control in Boiler by using Fuzzy Logic Controller
Abstract: Boiler is the main component in generating steam in Thermal & Nuclear power generation units and its control is very important. Water level control is more important such as boilers in Thermal & Nuclear power plants. This work proposed a simple fuzzy logic based water level controller. The fuzzy logic controller uses the MAMDANI type Fuzzy Inference System. The fuzzy controller has two inputs, feed backs from temperature sensors and …
Published in International Journal of Electrical Power System and Technology · Vol. 1, Issue 1, 2015 · pp. 27–37 Read article
-
Case Study Of Bus System Under Three-Phase PWM Cycloconverter With MPPT Feedback Control
Abstract: In this paper, we examine a bus system as a load to extract maximum obtainable power on it from three phase PWM cycloconverter module. We also use the concept of Maximum Power Point Tracking (MPPT) control through which the efficiency can be improved. The main objective of this case study is to observe the behavior of given bus system when it is applied as a load in MPPT controlled three …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 1, 2016 · pp. 32–36 Read article
-
A Review on Grid Interconnection of Renewable Energy Sources at the Distribution Level with Power Quality Improvement Features
Abstract: Renewable energy sources (RES) are as a rule progressively associated in appropriation frameworks using power electronic converters. This review paper displays a novel control procedure for accomplishing greatest advantages from these matrix interfacing inverters at the point when introduced in 3-phase 4-wire dissemination frameworks. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. The inverter can thus be utilized as: 1) power converter …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 1, 2016 · pp. 20–24 Read article
-
Power quality Enhancement & Mitigating Neutral current in 3P4W Distribution System with DSTATCOM Using TIES
Abstract: Three-Phase four-wire distribution systems face severe power quality issues like poor voltage regulation, high reactive power and harmonics current burden, load unbalancing, excessive neutral current, etc.This creates excessive neutral current each of elementary and harmonic frequency and also the neutral conductor gets full. By integration section shifting into an especially low zero section sequence electric resistance electrical device with single or multiple outputs, substantial reduction of triplen, fifth and seventh …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 1–15 Read article
-
Power Quality Enhancement in 3P4W Electrical Distribution System by using DCMLI-DSTATCOM-TIES with Reliability Study
Abstract: The Quality of the output power from the utilities has become a serious concern of the trendy industries. These power quality associated issues area unit voltage sag, surge, flicker, voltage imbalance, interruptions and harmonic issues. These power quality issues might cause issues to the industries starting from haywire of kit to finish plant close up. It’s been known that power quality will be degraded each owing to utility aspect abnormalities …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 16–33 Read article
-
Harmonic Analysis of Single-Phase Inverter
Abstract: In this paper, a study is carried out to investigate the total harmonic distortion (THD) of various voltage control signal techniques for single-phase pulse width modulation (PWM) inverter. The inverter is implemented using three PWM techniques—unipolar PWM, modified sine PWM and harmonic injection modulation. The performance of these control schemes are evaluated through simulation in MATLAB/SIMULINK. The obtained THD and fundamental magnitude of the output AC are tabulated (Table 1). …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 32–38 Read article
-
A Novel Buck-Boost Converter with an Enhanced Negative Output Voltage
Abstract: This paper proposes the theoretical design of a novel buck-boost converter with an enhanced negative output voltage than conventional converters. It is beneficial for applications that require a wide range of conversion ratio. The steady-state as well as power-loss analyses of the proposed converter operating in continuous conduction mode are examined. Comparison with typical negative output converters like the buck-boost converter, self-lift Luo converter and hybrid buck-boost converter is also …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 48–60 Read article
-
THD Comparison of 5, 7, 9, 11, 13, 15 and 17 Level Cascaded H-Bridge Multilevel Inverters
Abstract: In this paper, we simply compare the total harmonic distortion (THD) of different levels of cascaded H-bridge multilevel inverter. The major drawback of any inverter is THD. In this paper, comparison of THD is carried out for 5, 7, 9, 11, 13, 15 and 17 level inverters using MATLAB Simulink. In this paper, we use level-shifted multicarrier modulation, and also we show how THD is reduced as we increase the …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 2, 2018 · pp. 39–68 Read article
-
Simulation and Design of Closed Loop Controlled Buck - Boost Converter
Abstract: In this paper we propose to model some practical power electronic converters used in the intermediate power conversion process for e.g. wind, solar, and battery system. The small-signal models are derived from the differential equations. Based on the models, simulation and experimental results is be provided to validate the proposed controllers. A mathematical and simulation model of a practical Buck-Boost converter is developed, it will be employed for closed loop …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 1, 2021 · pp. 13–23 Read article