D. Devaraj - IEEE Xplore Author Profile

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This paper discusses the design and testing of a low-cost Power Quality Analyzer. A low-cost Power Quality Analyzer is based on Arduino Mega 2560 was introduced. A voltage conditioning circuit is built to condition voltages that would be sampled to fit levels for analog to digital conversion. To sample currents, a current transducer is used and interfaced with the proposed system. To deal with mea...Show More
Phasor Measurement Units(PMUs), play a pivotal role in controlling, monitoring, and protection of electrical networks. Achieving complete observability while minimizing the number of PMUs installed is a key consideration during PMU placement. This paper focus on Genetic Algorithm-based approaches for optimizing PMU placement to ensure full observability. The proposed technique is simulated using M...Show More
Reducing greenhouse gas emissions and pollution in our environment can be achieved with electric automobiles. Electric Vehicle is highly required to replace the impact of IC engines. The goals include enhancing fuel efficiency, cutting emissions, guaranteeing drivability, and preserving the energy storage system's longevity and current state of charge while taking constraints into account. Power t...Show More
One among the most crucial parts of green energy systems is thought to be high-gain DC/DC converters. Utilizing an excessive duty cycle, a great deal of high-gain converters are used to enhance the gain of voltage. However, it raises expenses and losses, deteriorates system performance, and results in low efficiency. Combining the good aspects of the high gain converter with a three-port converter...Show More
Electromyographic signals offer details on a muscle activity of a person. In the case of hand movements various combinations of forearm muscles must be activated in order to carry out each gesture, which results in unique electrical patterns. On the other hand, identifying the motion being executed is made possible by the examination of these patterns of muscle activation, which are captured by EM...Show More
DC microgrids (MGs) are gaining popularity as efficient solutions for integrating diverse energy resources. Traditionally, droop control has been widely used as a decentralized control method for distributing power in DC MGs. This paper introduces a new approach by implementing an Adaptive Dropping-based Split range control using an Proportional-integral controller which involves the use of two va...Show More
The Critical Clearance Time analysis of an electric power system is crucial in designing the protective devices. The Critical Clearing Time analysis of Wind Energy Conversion System on IEEE 14 bus is done in this work using Power System Analysis Toolbox. Using Time Domain Simulation, the rotor angle stability of the power system is investigated under stable and unstable conditions for determining ...Show More
Energy consumption is increasing rapidly due to growth in industries and residential areas. To reduce the number of outages and meet the demand in the electricity market, distributed energy (DG) sources can be installed in the distribution network. As the number of DGs is increasing, a controller is necessary to provide a switching strategy between hybrid energy systems. This paper proposes Smart ...Show More
In order to plan the power transaction very securely, accurate calculation of Available Transfer Capability (ATC) is needed. Independent System Operator (ISO) will calculate the ATC and post the information in Open Access Same Time Information System at least one day before the transaction. The renewable energy sources such as wind and solar are currently gain high attention because of their free ...Show More
Smart Grid environment requires the active participation of the consumer in terms of energy saving and shift the loads to off-peak period balance the power between source and load. In this situation, consumers' preferences, self-adjusting, and self-scheduling of the operation of home appliances drawing more attention because of difficulties in their manual adjustment. An autonomous scheduler is ne...Show More
The energy storage is critical in shipboard systems since there is no alternate energy in case of primary energy source failure. Hence, a battery management system (BMS) is necessary to monitor the state of the battery. Since a BMS operates the battery based on its state, an accurate estimation of the state of charge (SoC) is essential. Hysteresis is predominantly present in lead–acid batteries, w...Show More
Machine learning-based intrusion detection system (IDS) is an important requirement for securing data traffic in wireless mesh networks. The noisy and redundant features of network data tend to degrade the performance of the attack detection classifiers. Therefore, the selection of informative features plays a vital role in the enhancement to the IDS. In this paper, we propose a wrapper-based appr...Show More
In the smart grid era, Smart Meter data is playing a vital role. The residential load forecasting is one of the major issue that uses the Smart Meter data. It is high volatile load data due to its nature of variability in load pattern. The load pattern of every customer varies with respect to certain factors like demographic information, environmental factors, time stamp, etc. Load pattern-based c...Show More
The research on Solar Photo-Voltaic (PV) based Energy Conversion (SPEC) system requires an expensive and composite experimental setup. Therefore, PV source emulator is an essential component to evaluate the performance of SPEC system source under varying environmental conditions. This paper presents the design and development of solar PV Array Emulator (PVAE) using Programmable DC power supply. Th...Show More
The demand for wind power is increasing day by day as the fuel cost is zero. Nowadays the penetration of wind power into the grid is growing more and more. The grid integration of wind power causes undesirable stability as the wind speed is intermittent in nature. It is essential to investigate the DC Link capacitor voltage level as it ensures the constant output power at the Point of Common Coupl...Show More
Phasor Measurement Units (PMU) are used to monitor, protect and control power system networks and have become increasingly essential in latest years. In this paper, Genetic algorithm-based method is suggested for optimal positioning of the phasor measurement device. Identifying optimal locations of PMU is a main problem in the implementation of PMU. Full observability and minimum number of PMU are...Show More
The paper deals with minimization of the economic problem occurs in a Microgrid. It is a technology arising now a day to satisfy the nearby load demand and to reduce the expenses. Generally, Microgrid consist of renewable resources such as Wind Turbine, Solar Panels, Fuel cell, Micro turbine, CHP etc. In case of crisis in emergency situations, Microgrid can be able to activate Diesel Engine genera...Show More
Under the demands of contemporary grid code (GC), the solar PV system should stay attached to the grid for a certain time period depend on the voltage sag level under the fault condition. The voltage of the point of common coupling (PCC) is very low when the fault appears on the grid side, resulting in a very high DC connection voltage for the power balance. This high voltage of the intermediate c...Show More
This paper presents a single phase symmetrical and asymmetrical multilevel inverter for generation of synthesizing a sinusoidal voltage with TSTSTD (Two Source Two Switches and Two Diode) circuit. This paper concentrates to generate the maximum stepped voltage with reduced number of dc sources. The proposed configuration needs less turned ON switches to get the desired level. The less turned on sw...Show More
Heart of power system is power quality improvement. The harmonics are produced by power electronics devices. The harmonics and distortions produced by conventional inverters are reduced by using filters which in turn increases the size and cost of these equipment. The basic voltages can be modulated very accurately by using very small step size and making it suitable for utility. The desired A.C v...Show More
This paper develops a Neural Network based implementation of the fault identification on the wind turbine model. The prediction algorithm that would predict the algorithm fault that occurs on the wind energy conversion system (WECS) is completely automated using the neural network (NN) algorithm. The fault occurring in the turbine, drive train and the converter is considered, and the automation is...Show More
This work handles the improvement of LVRT competency of double-fed induction generator (DFIG) driven grid-integrated wind energy conversion systems (WECS) using crowbar. In this paper, a series crowbar resistance with an IGBT is recommended to enhance the Fault-Ride-Through ability of the 1.5 MW WECS and also the low voltage ride through testing device is also simulated. The simulation results dem...Show More
In any power system with deregulated environment, the capability of transferring power -ATC of the system needs to be updated every hour or every day. This will help market participants to plan their transmission transactions. The existing methods of calculating ATC need large computational time, as well as they are not effective for online techniques. Hence, it is significant to evaluate ATC valu...Show More
AVR stabilizes the terminal voltage of generator by controlling the exciter voltage. Fast action of AVR exciter module may cause negative damping of the system .With the presence of PSS, the oscillation occurred due to sudden AVR action has been suppressed. This paper emphasis the importance of AVR- PSS model in power system for damping the low frequency oscillation. The proposed model has been te...Show More
Load forecasting is one of the essential component in Smart Grid operation as it plays a significant role in making decisions such as planning, generation scheduling and operation, electricity pricing, customer satisfaction and system security. The date old load forecasting problem has received renewed efforts due to the arrival of Smart Meters in the Smart Grid system. Residential load forecastin...Show More