Sanjeevikumar Padmanaban

University of South-Eastern Norway | USN · Department of Electrical Engineering, IT and Cybernetics

Described in this paper is a method for improving higher harmonic cancellation in Nuclear Magnetic Resonance (NMR) transmitters, which are used in oil and gas well logging tools operating at 175°C. Multi-module multi-level topology which combines the outputs of several identical power modules operating at 50% duty cycle at the fundamental frequency...

This article presents a self-balanced multistage DC-DC step-up converter for photovoltaic applications. The proposed converter topology is designed for unidirectional power transfer and provides a doable solution for photovoltaic applications where voltage is required to be stepped up without magnetic components (transformer-less and inductor-less)...

Energy storage system (ESS) has developed as an important element in enhancing the performance of the power system especially after the involvement of renewable energy based generation in the system. However, there are a few challenges to employ ESS in distribution network, one of which is to ensure the best location and capacity so as to take the...

Cleaner production is a simple defensive mechanism to protect from environmental pollution and depletion of resources. It is envisioned to minimize the waste and capitalize natural resource with effective utilization. Technology development support better choices in using natural energy thus avoiding waste. Solar energy is a natural resource which...

This article reviews various inductive and capacitive wireless charging systems to achieve high-power infrastructures. The characteristics of SAE, ICINRP, and IEEE safety standards for wireless charging technology were highlighted. The working of compensation circuits, resonant converters, and challenges in wireless power transfer (WPT) systems was...

A new multi-objective minimal-drift maximum power point tracking (MOMD-MPPT) technique is introduced to harness maximum power from single photovoltaic (PV) array fed multilevel converter (MLC). A drift in voltage arises with conventional MPPT techniques, which is minimized in this work with a new multi-objective solution. A new swarm optimization a...

A two days International Conference on “Artificial Intelligence and Sustainable Computing for Smart Cities (AIS2C2)” is proposed to be held on 21-22 December 2022 in the University School of Information and Communication Technology. AIS2C2 is to endeavour the participants with the recent research being carried out across the AI Technologies and Sus...

Microgrids have recently gained popularity in the industry and research communities due to the potential use of photovoltaic (PV), wind, and battery based energy systems. The use of bidirectional DC-DC converters as active interconnected devices allows for power regulation between DC microgrids with high flexibility. In general, DC microgrids are m...

The irradiation variations caused by cloud changes can cause rapid power fluctuations in large photovoltaic (PV) plants. The increased PV power share of the grid adversely affects the quality of power and the reliability of the power supply. Energy storage systems (ESSs) are often used to mitigate power fluctuations in the grid through various cont...

Hydrogen has a potential role in helping the world for obtaining net-zero emission/emission-free energy systems by 2050 and restrict global warming by 1.5℃ because it can subside 80 gigatons (GT) of CO2 by 2050. This causes the utilization of 660 million metric tons (MT) of low-carbon hydrogen and renewables up to 2050, almost equal to 22% of globa...

This paper proposes a smart battery charging scheme for hybrid electric vehicles (HEVs) with a fuel cell as the primary energy source and solar photovoltaic (PV) and battery as the auxiliary energy sources. While dealing with the PV, a minimized oscillation-based improved perturb and observe (I-P&O) maximum power point (MPP) tracking (MPPT) scheme...

the interface of photovoltaic systems to the grid requires an efficient control strategy to operate, control and improve power quality. For grid connection applications, the output voltage of the solar array, which may be accompanied by extensive voltage changes, needs to be adjusted and converted to a higher voltage by a DC-DC converter attracts m...

In this research paper, a double diode model-based photovoltaic (PV) system with a proposed hybrid dual integral sliding mode control (DISMC) and model predictive control (MPC) based maximum power point tracker (MPPT) has been started for a standalone power system. Compared with the single diode model, the advanced model dual diode provides accurat...

With the increasing penetration of electric vehicles and for several reasons, including the need for fast charging and the inadequacy of home charging to manage these newly emerging loads, the need to build multiple charging stations and use fast charging methods is inevitable. Despite the environmental and economic benefits of the vehicle charger,...

For microgrid operations, this article suggests a DC-DC Parallel Legs Linked High Gain Converter. To realize high voltage gain, the recommended converter is transformer-free and developed with n-parallel legs. One active switch, one capacitor, one inductor, and one diode make up each leg of the boost converter. The operating principle, characterist...

Lighting systems using light emitting diode (LED) have drawn significant attention across the world. This is due to their promising features such as high energy efficiency, reduced greenhouse gas emission and eco-friendly nature etc. However, these systems require constant current regulators to provide a constant illumination. This article proposes...

Power availability from renewable energy sources (RES) is unpredictable, which should be managed effectively for better utilization. The role of a hybrid energy storage system (HESS) plays a vital role in this context. Renewable energy sources along with hybrid energy storage systems can give better power management in the DC microgrid environment....

Peer-to-peer energy (P2P) energy trading is the vital paradigm of power systems operation and control. P2P energy trading is a concept of buying and selling the generated electrical energy from the own renewable energy resources to the micro-grid connected houses, offices and factories. P2P energy trading also allows the users to decide to whom the...

This paper projects a novel topology for the 35-level MLI. The proposed topology aims to generate 35-levels at the output with a reduced total harmonic distortion (THD). The developed topology requires a lesser number of switches with fewer switching losses compared with other similar topologies. As the proposed MLI consists of a lesser switch coun...

This paper describes the novel scientific contribution of a modified hybrid grey wolf optimization-Fuzzy logic controller (GWO-FLC) based on maximum power point tracking (MPPT) for a photovoltaic (PV) system. The modified GWO eliminates the lower rank (δ) and lowest rank (Ψ) wolves, which provides a rapid search method to track global maximum point...

In recent decades, the rapid and mature development of electronics and electrical components and systems have inevitably been recognized in the automotive industry. This book serves engineers, scientists, students, and other industry professionals as a guide to learn fundamental and advanced concepts and technologies with modelling simulations and...

The concept of energy management in smart homes has received increasing attention in recent years, particularly on issues such as creating a balance between user privacy and reducing energy costs. Accordingly, this article proposes a user-oriented multi-objective approach, which minimizes energy costs and maximizes consumer privacy. In addition, a...

The applications of wireless sensor networks are extensively used to detect and control home residents' activities in smart homes. However, the sensors are battery-powered, and therefore, keeping them in active mode consumes a tremendous amount of energy. In this regard, we propose a solution to activate the smart home sensors based on detecting th...

This paper puts forward a solar-based robust proportional-integral-derivative charge controller for charging batteries of different ratings for electric vehicles. The charging circuit is designed using the proposed zero-oscillation incremental conductance maximum power point tracking scheme. This scheme driven boost power converter is used for impe...

In this paper proposed, a novel control technique for Five-Phase Induction Motor (FPIM) drives using a field-programmable gate array (FPGA) controller is proposed. Open-loop control is analyzed in terms of the performance and measurement of various power quality factors, such as voltage harmonics, current harmonics, total harmonic distortion, crest...

This paper investigates a novel cascaded fractional order PI-PD structure for power system stabilizers and flexible AC transmission system-based damping controllers to enhance the stability of the power system. The proposed controller parameters are optimized by a hybrid Modified Whale Optimization Algorithm (MWOA) with the Nelder-Mead algorithm. T...

To Promote and meet the projected levels of electric vehicle (EV) penetration, the development of charging infrastructure, i.e., both slow charging and dc-fast charging, is essential. Slow/onboard chargers pose weight, efficiency, and thermal management challenges to the designers, while the off-board fast/superfast/ultra-superfast chargers pose ef...

Lithium-ion batteries (LIBs) have become the preferred power source for various consumer devices such as electronic gadgets due to their high energy density and extended cycle life. Generally, graphite is used as an anode material due to its flat voltage plateau and economic viability. However, in addition to graphite's limited capacity, certain di...

In this paper, a hybrid fuzzy cascaded fractional order proportional integral-fractional order proportional derivative (FCFOPI-FOPD) controller improves the frequency regulation of a renewable energy source (RES) integrated power system. The frequency response characteristics of a two-area non-linear thermal-hydro-wind model under various operating...

Understanding photovoltaic modules' failures and degradation modes is an essential task for improving their useful lifetime and manufacturing materials. This paper focuses on the assessment and analysis of the different PV module defects that occurred in a solar pumping system after a long period of exposure (since 2008) to a harsh (hot and dry) cl...

With DC microgrids (DC MG) gaining attention, virtual inertia (VI) schemes for stabilizing the system voltage become increasingly important. With decreased inherent energy storage, conventional droop control causes severe fluctuations in the DC bus voltage. Hence, this paper proposes a VI scheme that emulates inertia by attenuating and low-pass fil...

A novel single-phase 29-level asymmetrical switched-diode multilevel inverter (MLI) topology is presented in this paper with a reduced number of components. The developed topology can able to generate a maximum of 29-levels of output voltage using unequal DC sources. The basic 15-level MLI is developed and then further developed to 29-levels. The p...

Rapid technological development in grid integration of renewable energy (RE) plants has increased the RE penetration level in power utility network. This dramatic change in power scenario challenges the protection and stability of grid. Therefore, this work proposed a protection scheme algorithm (PSA) for the RE integrated hybrid power system. This...

In general, multilevel inverters (MLIs) are regarded as advanced power conversion systems required for medium-voltage and high-power applications. The purpose of this article is to provide an overview of recently investigated MLI topologies classified into various categories based on the transformer requirement such as the transformer less (TL-MLI)...

Virtual synchronous generator (VSG) control has received much attention for interfacing renewable energy sources, thus creating a low-inertia microgrid. However, proportional reactive power-sharing and voltage accuracy is still a serious concern due to unequal feeder impedances between VSG controlled DGs and the point of power coupling. This paper...

Load forecasting (LF), particularly short-term load forecasting (STLF), plays a vital role throughout the operation of the conventional power system. The precise modeling and complex analyses of STLF have become more significant in advanced microgrid (MG) applications. Several models are proposed for STLF and tested successfully in the literature....

This book "Multilevel Converters: Advances and Applications" intended to provide deep insight about multilevel converters operation, modulation & control strategies and various recent applications of multilevel converters such as in variable speed drives, renewable energy generation and power systems. The book will serve as a reference for academic...

In the photovoltaic (PV) to grid structure, DC-DC converters are essential to increase the low input voltage gener-ated by renewable energy sources. The Single Ended Primary Inductance DC-DC Converter (SEPIC) allows for an output voltage higher or lower than that of the input. However, the gain of the SEPIC converter is limited; this converter can...

This paper suggests a new high voltage gain DC-DC power electronics boosting converter. Many recent applications demand that an input voltage source is boosted to provide a much larger output voltage to be used elsewhere. The modern photovoltaic/fuel-cell sources or battery to mu-grid (μ- grid) structure heavily depends on the voltage boosting conc...

The traditional dc-dc converters have limited boosting ability. Significant voltage gains can be accomplished only at extreme duty ratios, where the high voltage/current stress and losses occur on semiconductors. This work proposes a common-ground multiphase boost converter that benefits from a significant boosting factor at low duty ratios, contin...

In recent years, the multi-level DC-AC converters have become a very popular research-topic in academic and industrial centres, which mainly originates from their novel properties like: stair-case output voltage waveform, high output voltage quality, low dv/dt stress on the load, few components and drivers, reduced-size output filter, low Electroma...

Topics of interest include, but are not limited to:-Novel topologies of reduced switch multilevel converters-Improved design and analysis of reduced switch multilevel converters-Efficiency enhancement of reduced switch multilevel converters-Power quality improvement of reduced switch multilevel converters-Advanced modulation techniques based reduce...

Graphical Abstract: Teaser Text: The major challenges of the high-gain DC-DC boost converters are high voltage stress on the switch, extreme duty ratio operation, diode reverse recovery, and converter efficiency problems. There are many topologies of the high gain DC-DC converters have been developed widely to overcome those problems, especially fo...

The advantages of real-time dataset with artificial intelligence-based machine learning algorithms can be utilized for improving energy management in Electric Vehicles (E-Vehicle). Here the machine learning algorithms such as classification, regression, reinforcement, and clustering are incorporated to identify the suitable profile pattern. Electri...

Energy management system (EMS) ensures flexible, economic and optimal cooperation among distributed energy resources of the microgrid and quality power supply to the users. EMS also determines the switching of operating modes like islanded mode (ISM) to grid‐connected mode (GCM) and vice versa. It manages the battery storage system's changing and d...

The worldwide demand for transportation systems is driven by increasing passenger and freight traffic, which is projected to double by 2050. While such growth in the transport sector is a sign of social and economic development, its repercussions on energy consumption and environmental emissions cannot be overlooked. Developments in the transportat...

This research paper describes the implementation of a photovoltaic (PV) fed energy-efficient high-power DC-DC converter for ultra-fast charging systems with a proposed hybrid simplified Firefly and neighborhood attraction firefly (HSFNA) algorithm for maximum power point tracking (MPPT). The proposed high-gain step-up SEPIC converter is employed to...

In the last few decades, the utilization of fuel cells (FCs) in the automotive industry has created much attention due to easy use, modular structure, and higher efficacy. In the future, technological evolutions reveal that FCs driven electric vehicles (EVs) will grow at a rapid pace and will become an excellent alternative to conventional vehicles...