A5077925988- Microgrid Control and Optimization
- Multilevel Inverters and Converters
- Advanced DC-DC Converters
- Advanced Battery Technologies Research
- Silicon Carbide Semiconductor Technologies
- Electromagnetic Compatibility and Noise Suppression
- Smart Grid Energy Management
- Hybrid Renewable Energy Systems
- Real-time simulation and control systems
- Induction Heating and Inverter Technology
- Islanding Detection in Power Systems
- Optimal Power Flow Distribution
- Electrostatic Discharge in Electronics
- HVDC Systems and Fault Protection
- Smart Grid Security and Resilience
- Energy Harvesting in Wireless Networks
- Experimental Learning in Engineering
- Infrastructure Resilience and Vulnerability Analysis
- Electric Vehicles and Infrastructure
- Electric Motor Design and Analysis
- Photovoltaic System Optimization Techniques
- Lightning and Electromagnetic Phenomena
- Scheduling and Optimization Algorithms
- Electromagnetic Compatibility and Measurements
- Advancements in Semiconductor Devices and Circuit Design
Naval Postgraduate School
2016-2025
University of Catania
1994-2024
Centro Studi Luca d’Agliano
2024
Monterey College of Law
2004-2022
Polytechnic University of Turin
2020
Institut polytechnique de Grenoble
2020
University of Bologna
2020
Miami University
2020
NTNU Samfunnsforskning
2020
Université Grenoble Alpes
2020
This paper presents an active solution to a common-mode voltage created by typical three-phase inverters. It is shown that the addition of fourth leg bridge inverter eliminates ground modulation inverter. An appropriate four-phase LC filter inserted between and load in order create sinusoidal output line-to-line voltage. A simple modification strategy implemented for achieve wye-output neutral-to-ground which equal zero at all times ideal The thereby completely potential produced traditional...
This paper presents an optimized energy management system (OEMS) to control the microgrid of a remote temporary military base (FOB) featuring diesel generators, battery storage (BESS), and photovoltaic (PV) panels. The information expected electric demand is suitably used improve sizing BESS, according days operation. OEMS includes power electronics charge batteries from either PV source or it can function as current when supplementing one generators voltage sole for loads. new contribution...
For applications sensitive to reliability, typical voltage-source inverters (VSIs) cannot always meet the reliability requirements. In these cases, some method of redundancy is used improve system reliability. This paper compares two redundant VSI circuit topologies a circuit. The circuits function normally after failure (open or short) any single component, including controller, current and voltage sensors, capacitors, insulated gate bipolar transistors, power diodes. parts count comparison...
This paper demonstrates the functionality of a power-electronics-based energy management system (EMS). The EMS includes batteries and digitally controlled single-phase voltage source inverter (VSI), which can be as current or depending on status ac grid user's preference. guarantees that critical loads are powered when fails; in case, VSI is source. It also accomplishes peak power control by supplying battery to local while they if get large. electricity cost savings accomplished shaving...
In this paper, the impact of inverter modulation strategy on common mode conducted emissions is addressed. Whereas typically passive filter designs are used to mitigate current produced by inverter, active filtering proven greatly reduce due power converter. A new space vector presented for EMI reduction in three- and four-phase DC/AC converters.
The paper deals with the development of a detailed model three-phase induction motor useful for evaluating separately common mode and differential currents. proposed approach simplifies decoupling current spectra, using dq0 stationary reference frame transformation, allowing separate analysis phenomena, which is EMI filter design. can also be used to evaluate new inverter modulation techniques in terms harmonic generation.
Abstract While digital twin (DT) has made significant strides in recent years, much work remains to be done the research community and industry fully realize benefits of DT. A group 25 professionals, US federal government researchers, academics came together from 11 different institutions organizations identify 14 key thrusts 3 cross-cutting areas for further DT development (R&D). This article presents our vision future R&D, provides historical context DT’s birth growth as a field,...
The present paper deals with the problem of reducing electromagnetic interference (EMI) switched-mode power converters using gate controlled devices such as IGBTs and MOSFETs. In order to reduce losses, these systems rely on fast on/off time pulses, thus producing emissions due high-frequency spectral content pulses. An original design method for supplies is developed allowing obtain an acceptable compromise between losses EMI. Emphasis placed analysis commutation cell switching static...
This paper presents a novel power flow control system for remote military microgrid with hybrid energy storage. A combination of batteries and supercapacitors (SCs) is managed by the to increase battery life redirecting higher frequency current that would have in if SCs were not present. offers practical solution manage SC ensure are never overcharged or commanded support when they discharged lower operating limit chosen. The new controller allows independent selection low-pass filter...
This article examines the trade space between resilience and cost of an island microgrid. The presents two models for model considers invulnerability recoverability microgrid represents power balance microgrid, energy storage, maintenance policies. adapts levelized measure to context microgrids. We conduct experiments investigate architecture decisions how much excess generation capacity redundancy provide. show that generative sources provides greater similar cost, improves quickly as is...
Series connection of IGBT devices is a standard solution in high voltage power conversion applications, such as color TV deflections, inverters for medium lines or modern railway traction drives. In serial connections IGBTs, suitable balance must be guaranteed either at steady state during switching transients order to avoid damaging overvoltages. the present paper, new approach proposed equalize distribution between series connected IGBTs turn-off by controlling gate capacitance charge...
This article develops a method to model, analyze, and design military microgrids with the objective improve their resilience in face of disconnections from larger electrical grid. Military provide power installation base facilities enable mission accomplishments that are related national security. Previous research, tools, methods for microgrid assessment do not adequately address terms accomplishing objectives instead primarily focus on economic outcomes. proposes novel metric quantify its...
A mathematical model that Is developed for a generalized drive system, including common-mode passive and active elements, is used to explore the issues of paralleling soft-switched resonant dc-link systems. Differences between modulation pattern each system cause common voltage disturbances, which lead significant circulating currents Control methods actively compensating or reducing common- mode disturbances are investigated. Practical modifications controls implemented reduce paralleled
This paper demonstrates improved performance of a three-phase voltage source inverter (VSI) when digital multisampled space vector modulation is used. The modulator and the controller are implemented entirely using field-programmable gate array platform, thus achieving increased bandwidth with respect to typical signal processor or microprocessor-based controller. Increased results in lower output harmonic distortion frequency range above fundamental below switching frequency. Experimental...
This paper describes a novel battery management system to accomplish all of the necessary functions ensure safe, reliable operation lithium ion batteries. An interface circuit monitors each voltage and temperature. It includes trickle charger that achieves cell balancing by active instead passive means. A series loaded resonant converter with isolation, also known as an LLC converter, is connected one cells so they can be balanced, thus increasing lifetime utilization stack. In this...
Successful discrimination of, isolation from, and recovery against short-circuit electrical faults within microgrids having distributed energy resources (DERs) is challenging, as protection coordination must include not only the distribution equipment, but also control low voltage ride-through settings of DERs. This especially case when grid resilience improved by use microgrid to maintain services from DERs (localized an installation) following utility outages. Under <italic...
A Marine Corps forward operating base is a self-contained remote temporary military designed to support combat operations in an austere environment, often without pre-existing infrastructure. Similar function permanent base, this contains planning spaces, billeting tents, and variety of equipment that all require electricity. As there no utility grid, the primary source base?s electrical power provided on site by diesel generators.
This paper presents a user-friendly design method for accurately sizing the distributed energy resources of stand-alone microgrid to meet critical load demands military, commercial, industrial, or residential facility when utility power is not available. The combines renewable such as photovoltaics (PV) with an energy-storage system increase security facilities loads. method’s novelty complies IEEE Standards 1562 and 1013, addresses resilience, which taken into account in existing methods....
This paper presents an original two-steps methodology to size DERs (Distributed Energy Resources) in stand-alone microgrids, be installed different areas, featuring meteorological conditions, but same kind of loads. Design examples are simulated analyze how increased level resilience, considered terms number days autonomy after initial incident, affects the sizing a PV field and its storage. A practical tool support strategic choices is methodologically illustrated applied two case studies...
This paper presents an inverter/motor drive topology and control strategy, which serves to virtually eliminate common mode voltage in addition reducing torque pulsations existing typical three phase motor drives. The includes a six pole inverter, each having half the current rating of equivalent three-phase machine. proposed can be implemented with only slight modification equipment. A new space vector modulation strategy is presented, allows open loop elimination produced by inverter.
This paper presents a novel power flow control strategy, combined with an economic analysis, for energy management system (EMS) involving hybrid storage. The EMS operates remote microgrid and directs the to either batteries or supercapacitors increase life of batteries. demonstrates how use increases lifetime ultimately it affects economics system. proposed controller also compensates 120-Hz ripple on dc bus. Modeling, simulations, experimental verification are presented together procedure...
Grid-connected inverters are essential microgrid components that interface a common dc bus, fed by several distributed resources, to the ac loads. This article presents different methods control active and reactive power flow from source in single phase when it operates grid-connected mode. A novel mixed-frame strategy is presented its performance evaluated using produce orthogonal axis components. The strategies compared with respect their presence of harmonics main grid. Physics-based...
Selecting the sizes of distributed energy resources is a central planning element when designing microgrid. Decision makers may consider several important factors, including, but not limited to, capacity, cost, reliability and sustainability. We introduce method for rightsizing capacity that presents range potential microgrid design solutions, allowing decision to weigh their upsides downsides based on variety measurable factors. decouple component-specific modeling assumptions, management...
This paper presents an optimized energy management system (OEMS) to control the microgrid of a remote temporary military base featuring diesel generators, battery storage (BESS) and photovoltaic panels (PV). The information expected electric demand is suitably used improve sizing BESS. OEMS includes power electronics charge batteries from either PV source or it can function as current when supplementing one generators voltage sole for loads. novelty in overall optimization procedure lies (i)...
As solid-state power converters become more numerous, the unwanted EMI effects created by these increase. To address this issue, attention has recently been given to reduction of electromagnetic emissions electronics. The proliferation inverters brings cost semiconductors down, making active filtering an attractive alternative passive filter topologies. Active may also realize higher efficiency than filtering. This paper focuses on topology that significantly reduces common mode voltage...