Marcelo Godoy Simoes

Marcelo Godoy Simoes
University of Vaasa · Electrical Engineering

Ph.D., D.Sc.. IEEE Fellow
Applications of artificial intelligence in control of smart power systems.

About

290
Publications
86,773
Reads
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9,697
Citations
Introduction
Marcelo Godoy Simões is a Professor in EE with the Colorado School of Mines since 2000. He was a US Fulbright Fellow for AY 2014-15 with the Aalborg University, Institute of Energy Technology (Denmark). He is IEEE Fellow, Class of 2016, with the citation: "for applications of artificial intelligence in control of power electronics systems." Dr. Simões is a pioneer to apply neural networks and fuzzy logic in power electronics, motor drives and renewable energy systems.
Additional affiliations
May 2009 - August 2009
Université de Technologie de Belfort-Montbéliard
Position
  • Professor
February 1988 - April 2000
University of São Paulo
Position
  • Professor (Associate)

Publications

Publications (290)
Article
Full-text available
This paper focuses on the implementation of peer-to-peer (P2P) energy trading and planning of a grid-connected multi-microgrid system (MMS) based on an advanced optimization approach. The proposed architecture is comprised of three microgrids (MGs) with combinations of distributed energy resources (DERs), including wind turbines, photovoltaic panel...
Article
A microgrid can be formed by the integration of different components such as loads, renewable/conventional units, and energy storage systems in a local area. Microgrids with the advantages of being flexible, environmentally friendly, and self-sufficient can improve the power system performance metrics such as resiliency and reliability. However, de...
Article
Full-text available
This paper presents a new holistic approach that combines solutions for the future power systems. It describes clearly how solar energy is definitely the best outlet for a clean and sustainable planet, either due to their use in both vertical (V) or horizontal (H) forms such as: hydroelectric V&H, wind V&H, thermo-oceanic V&H, water movement sea V&...
Article
Full-text available
The current state of the art shows that unbalance and distortion on the voltage waveforms at the terminals of a grid-connected inverter disturb its output currents. This paper compares AC linear current regulators for three-phase three-wire voltage source converters with three different reference frames, namely: (1) natural (abc), (2) orthogonal st...
Thesis
Full-text available
Energy issues and atmospheric pollution are increasing rapidly. Green energy production is a vital solution. In this research, different architectures of hybrid power system are proposed, which consist of different sequences of microgrids in grid-connected modes to meet residential load requirements. Each microgrid consists of distinct combination...
Conference Paper
Full-text available
This paper introduces a multi-objective optimization based on a game theory technique for sizing and cost minimization of a grid-connected multi-microgrids. The multi-microgrid system comprised of three microgrids with various combinations of wind turbines, photovoltaic panels, and storage batteries to meet the load requirement. Due to the variabil...
Article
Full-text available
There has been a rapid adoption of electric vehicles (EVs), and the industry has been looking for the most enhanced traction system to improve performance and reliability. Such specifications are mostly dependent on the magnetic materials for brushless DC or AC machines, and typically EVs are manufactured with those machines. In the past two decade...
Article
Full-text available
Although the use of a series capacitor increases the transmission line (TL) capacity, it inverts the voltage/current and creates a sub-harmonic frequency that results in unintended operation of the protection devices, which further decreases the transient stability under fault conditions. Restoring the transient stability requires an accurate diagn...
Article
Objective A conservative power theory (CPT) based two‐stage three‐phase multi‐functional grid‐connected photovoltaic (PV) inverter (MGCPI) with auxiliary battery storage system (BSS) is proposed in this article. This proposed configuration offers selective power injection and power conditioning to the consumers. A power management (PM) algorithm is...
Article
Photovoltaic (PV) panels can increase their efficiency and durability by using water-cooled systems. In this paper, the authors present a methodology to establish the degradation rate (DR) of PV panels related to their durability and efficiency under cooled versus no-cooled conditions. A long-term feasibility analysis of PV power plants with some s...
Article
Full-text available
Considering the application of multi-functional grid-tied inverters in modern microgrids, this paper proposes a novel control strategy derived from the Conservative Power Theory (CPT), which makes possible the compensation of instantaneous power oscillations. Such approach is based on the instantaneous power and instantaneous reactive energy terms...
Article
Photovoltaic (PV) systems are the most promising technology for residential installation as an alternative source of energy. To interface the primary source of PV to the electrical grid, an LCL-filtered inverter is being broadly adopted due to its low volume compared to the L-filtered one and the superior ability to filter high-frequency harmonics....
Article
This paper investigates the Multilevel Current Source Converter (MCSC) STATCOM. It proposes a new method of modulation. The new modulation method produces less THD and $di/dt$ at the terminals of the MCSC STATCOM when compared to the widely used Phase-Shifted Carrier SPWM (PSC-SPWM). To ensure the inductors' currents remain balanced, a Current Ba...
Article
Full-text available
In high power, medium voltage applications, Current Source Inverters CSIs are connected in parallel to accommodate high DC currents. Using a proper multilevel modulation technique, parallel-connected CSIs can operate as a Multilevel CSI (MCSI). The most common modulation technique for MCSIs is the Phase-Shifted Carrier SPWM (PSC-SPWM). The proper o...
Article
Full-text available
This paper presents a high step up, current fed, interleaved, isolated DC–DC converter with voltage multipliers and ZVS (zero voltage switching). The converter provides zero voltage switching for all active switches and provides a high step up voltage gain that is suitable for very low voltage source applications, such as PV and other renewable sou...
Conference Paper
Full-text available
The primary objective of this paper is to present the basic terms of Conservative Power Theory (CPT) and its applications for compensating instantaneous power oscillations in three-phase three-wire systems. The reference signals for a three-phase multi-functional grid-tied inverter are derived using the instantaneous power and the instantaneous rea...
Article
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The increasing aggregation of renewable-based distributed generating units besides the impressive growing usage of non-linear loads raises unwanted challenges for traditional power terms definition in power engineering. This fact consequently affected the performance of the conventional control frameworks and industrial compensation techniques. In...
Conference Paper
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Kalman filters are a mature and widely used technology in the field of engineering. However, its implementation is sometimes not trivial and usually not well explained in scientific papers. This paper presents a tutorial on implementing Kalman filters with commonly used blocks, that are sum, product, unit delay and zero order holder. The main objec...
Article
The application of photovoltaic systems in urban environments is affected by partial shading, which causes decreasing converted power. The relationship between the position and the number of shaded modules versus the energy captured by a photovoltaic panel under degraded conditions has not been explored. This paper shows a novel approach that ident...
Article
Full-text available
A new generation of smart meters are called cognitive meters, which are essentially based on Artificial Intelligence (AI) and load disaggregation methods for Non-Intrusive Load Monitoring (NILM). Thus, modern NILM may recognize appliances connected to the grid during certain periods, while providing much more information than the traditional monthl...
Article
The staircase modulation strategy is the best choice for Asymmetric Cascaded H-bridge Multilevel Inverter (ACMI) because it makes the output voltage to present a high number of levels and makes one of the ACMI modules to operate at low frequency. However, the staircase modulation is usually employed without giving its deserved attention. This paper...
Article
Power quality (PQ) events are referred to any abnormal deviation from the standard sinusoidal behavior of power signals within a power system. PQ events are usually studied by tracking the behavior of voltage signals over observation points of the system. IEEE standards have defined standard categories for PQ events based on their time behavior. Ea...
Article
Full-text available
Real-time power line outage detection (POD) and localization is an important monitoring task for the modern smart grid (SG). Reliable monitoring of power lines status plays a critical role in the system-wide blackout prevention. In this work, the main aim is to address the multiple POD problems by exploiting the compressive system identification (C...
Article
Induction machines have been widely used in power generation and other industrial applications for decades due to their numerous advantages like robust design and lower cost as compared to synchronous machines. When a standalone induction generator like in isolated wind farm and micro hydro is driven by a mechanical prime mover, the residual magnet...
Article
Full-text available
This paper proposes a fuzzy logic-based controller for a wind turbine system to provide frequency support for a smart grid. The designed controller is aimed to provide an appropriate dynamic droop rate depending on the local measurements of each wind turbine of a wind farm such as the maximum power available and the amount of power reserve. The des...
Article
Full-text available
Integration of rooftop solar-PV (RTSPV) systems and extensive use of nonlinear loads in the low-voltage distribution system (LVDS) leads to poor power quality (PQ). Therefore, it is necessary to address the issues leading to poor PQ at the point of common coupling of the LVDS. In this article, a multi-band hysteresis current control (MB-HCC) for th...
Article
Full-text available
The proliferation of nonlinear loads and integration of renewable energy sources require attention for accurate harmonic estimation along with estimation of fundamental amplitude, phase, and frequency for protection, improving power quality, and managing power effectively in a smart distribution grid. There are currently different Windowed Interpol...
Article
Full-text available
This paper presents an active instrumentation approach for distributed generation systems. The basic inherent tasks of such active instrumentation are (1) measurement, (2) control, (3) operation, (4) monitoring, and (5) correction of undesirable power quality issues in response to power parameters deviations, with the particularity of presenting th...
Preprint
Integration of rooftop solar-PV (RTSPV) systems and extensive use of nonlinear loads in the low-voltage distribution system (LVDS) leads to poor power quality (PQ). Therefore, it is necessary to address the issues leading to poor PQ at the point of common coupling of the LVDS. In this article, a multi-band hysteresis current control (MB-HCC) for th...
Article
Cooperative control of power converters in a microgrid offers power quality enhancement at sensitive load buses. Such cooperation is particularly important in the presence of reactive, nonlinear, and unbalanced loads. In this paper, a multi-master–slave-based control of distributed generators interface converters in a three-phase four-wire islanded...
Article
Full-text available
Participation of a wind turbine (WT) in primary frequency control (PFC) requires reserving some active power. The reserved power can be used to support the grid frequency. To maintain the required amount of reserve power, the WT is de-loaded to operate under its maximum power. The objective of this article is to design a control method for a WT sys...
Article
Penetration rate of grid-connected photovoltaic (PV) generation to the existing utility grid is rapidly increasing over the years. Since the power generated from PV systems fluctuate according to the weather condition, e.g., cloud passing, this can significantly disturb the stability of a weak utility grid. The integration of energy storage devices...
Article
This paper presents a novel dataset capable of classifying and disaggregating residential appliances for the development of smart or cognitive power meters. This novel dataset uses power indicators (also denoted as conformity factors) from the Conservative Power Theory (CPT), which are calculated from measured voltage and current waveforms during t...
Article
Full-text available
In this paper, the advantages of an enhanced boost converter are utilized in a photovoltaic based energy system, to improve the efficiency and the output/input voltage gain. Besides, this circuit topology allows lower input current ripple than conventional single-switch DC/DC boost converters, increasing photovoltaic energy yield. The floating inte...
Article
This paper proposes a simplified small-signal model for output voltage control of a single-phase Asymmetrical Cascaded H-Bridge Multilevel Inverter (ACHMI). The ACHMI is an n-series connected H-bridge converter, each one with a unique value at the DC link and usually scaled at {1:2:6:..} or {1:3:9:..}. By assuming that the small-signal variation co...
Article
This paper presents a synergistic operation between a Battery Energy Storage (BES) and a Photovoltaic Generator (PVG) system to assist management of microgrids. The BES and the PVG work synergistically in a virtual single agent. The single agent consists of a group containing the BES, the PVG and the loads in a feeder. The single agent results in a...
Article
The Conservative Power Theory (CPT) is a time-domain theory applicable to any periodic signal, single- or poli-phase system with or without neutral conductor. The principle operation is the orthogonal decomposition of electrical variables, resulting electrical quantities with physical meaning. An important feature of the CPT is the current decompos...
Article
This paper discusses the use of a cascaded multilevel converter for flexible power conditioning in smart-grid applications. The main feature of the proposed scheme is the use of independent DC links, with reduced voltages, which makes such a topology an ideal candidate for medium and high power applications with increased reliability. The developed...
Chapter
Within this chapter, we will introduce the applications of a state-of-the-art theorem in signal processing and system identification, named as compressive sensing-sparse recovery (CS-SR), in smart power networks monitoring, data analysis, security, and reliability. The sparse nature of the electrical power grids as well as electrical signals is exp...
Article
Energy management strategy plays a key role for Fuel Cell Hybrid Electric Vehicles (FCHEVs), it directly affects the efficiency and performance of energy storages in FCHEVs. For example, by using a suitable energy distribution controller, the fuel cell system can be maintained in a high efficiency region and thus saving hydrogen consumption. In thi...
Article
Full-text available
This paper presents a comparison of air conditioners using the conventional heating, ventilation, and air conditioning heat pumps and the one using solar heat stored underground, also known as shallow geothermal air conditioning. The proposed air conditioner with solar heat stored underground reunites practical data from an implementation of the he...
Chapter
Full-text available
This chapter covers the fundamental concepts of diodes and transistors devices. The PN junction will be briefly described. Power Bipolar Transistors, Power-MOSFETs and IGBTs will be covered in details. The understanding of their physical structure, their static and dynamic characteristics, their switching features and some applications of them are...
Article
Full-text available
This paper develops a distributed consensus-based energy management scheme (EMS) for multiple photovoltaics+energy storage systems (PV + ESS) connected to a smart distribution network. First, each customer individually determines the optimal size and initial scheduling of ESS to be installed in parallel with PV over a day-ahead planning horizon. Th...