Mazen Ghandour

• PhD
• Professor at Lebanese University

Peer-to-Peer (P2P) energy trading is a new financial mechanism that can be adopted to incentivize the development of distributed energy resources (DERs), by promoting the selling of excess energy to other peers on the network at a negotiated rate. Current incentive programs, such as net metering (NEM) and Feed-in-Tariff (FiT), operate according to...

The modern energy landscape is undergoing a significant transformation towards cleaner, decentralized energy sources. This change is driven by environmental and sustainability needs, causing traditional centralized electric grids, which rely heavily on fossil fuels, to be replaced by a diverse range of decentralized distributed energy resources. Vi...

The rapid proliferation of electric vehicles (EVs) presents both opportunities and challenges for the electrical grid. While EVs offer a promising avenue for reducing greenhouse gas emissions and dependence on fossil fuels, their uncoordinated charging behavior can strain grid infrastructure, thus creating new challenges for grid operators and EV o...

Technical losses in electrical grids are inherent inefficiencies induced by the transmission and distribution of electricity, resulting in energy losses that can reach up to 40% of the generated energy. These losses pose significant challenges to grid operators regarding energy sustainability, reliability, and economic viability. Distributed Energy...

Escalating events such as extreme weather conditions, geopolitical incidents, acts of war, cyberattacks, and the intermittence of renewable energy resources pose substantial challenges to the functionality of global electric grids. Consequently, research on enhancing the resilience of electric grids has become increasingly crucial. Concurrently, th...

In this contribution, a tool developed for the study of the efficiency maps of shifted inductances axes permanent magnet synchronous motors (SIAPMSMs) is presented and made available to the readers. The research builds upon a shared foundation that has already been established in previous works focused on the power capability of synchronous machine...

With the development of axial flux technology and industrial evolution, traditional machines cannot fit application requirements. Radial flux machines represent the majority of machines in high-speed application but they are not always an optimal solution according to the criteria of the considered applications. The design of the high-speed axial f...

Municipal wastewater treatment is committed reducing greenhouse gases emissions in line with United Nations Framework Convention on Climate Change (UNFCCC) norms in order to preserve Earth's blanket and lower climate acute changes. Greenhouse gases emissions reduction is the avant-garde of municipal wastewater treatment technologies; however, the p...

Full Description Mobilized thermal energy storage system M-TES has been investigated for decades. The system proved it is competitive with different heat generation systems (oil/gas/pellets/firewood boilers). To study the system on large scale, we applied the system on a Lebanese case study, a typical powerplant waste heat was valorized in M-TES to...

The present paper investigates the performance of a solar cooling system using hot and cold phase change material as thermal storage to reach near-zero cooling energy building. The system consists of evacuated tube solar collectors, hot water Lithium Bromide absorption chiller, hot and cold phase change material storage tanks. A residential buildin...

Until very recently power management has not been much of a concern to those people managing wastewater treatment facilities. Latterly, however, much has been written in the media and elsewhere about “the end of cheap energy”. This project is to define the preliminary, primary, secondary and tertiary energy benchmark of energy use per unit of m3 pe...

The energy sector is in the midst of a major transformation, driven by new climate regulations and a political tendency towards a nuclear phase‐out, aiming to achieve carbon neutrality for power generation and increased efficiency in electric grids. As a result, most power grids are encouraging higher integration of distributed energy resources and...

In this article, the control of hybrid off -grid configuration based on a variable-speed diesel generator and solar photovoltaic array, is implemented. To ensure a stable operation with the ac voltages and system frequency regulation, back-to-back connected converters are controlled using vector-based control, and stator flux-oriented frame-based...

In this article, the design and implementation of a cooperative multitasking control strategy for standalone photovoltaic (SPV) system is presented. A double-loop control strategy based on the fuzzy logic controller is developed to achieve high performance from the SPV without using the maximum power point technique, balance the power in the system...

Global economic growth, demographic explosion, digitization, increased mobility, and greater demand for heating and cooling due to climate change in different world areas are the main drivers for the surge in energy demand. The increase in energy demand is the basis of economic challenges for power companies alongside several socio-economic problem...

This paper provides an overview of Wastewater Treatment issue in Lebanon, past, present, and the future. The paper briefs the status of wastewater types adopted in the general study approved by the Lebanese Government to cover the country at the level of design and implementation along with the relevant energy consumption. Accordingly, we shall con...

The present paper aims to develop an advanced tool “SECAP-SSP” to support and facilitate the production of a Sustainable Energy and Climate Action Plan in Municipalities. The methodology will investigate all possible environmental, economic, and territorial potentials through choosing the most optimal list of actions with selected criteria and will...

Industry 4.0 mainly refers to factories in which machines use smart and autonomous systems enhanced by the Internet of Things (IoT), Artificial Intelligence (AI), machine learning and cyber-physical systems. But what reveals the true potential of Industry 4.0 is the established connection and communication between computers and machines that allow...

This paper attempts to present a quasi-3D finite element method technique for modeling and analyzing tubular linear permanent magnet machines (TLPM) with translator eccentricity. Normal tubular linear machines can be modeled effectively using 2D axisymmetric models, but with the introduction of the eccentricity factor into the geometry the axis sym...

A hybrid energy storage system, which consists of one or more energy storage technologies, is considered as a strong alternative to ensure the desired performance in connected and islanding operation modes of the microgrid (MG) system. However, a single energy storage system (SSES) cannot perform well during the transition because it is limited in...

The power balance between the supply and demand sides of an electrical grid is one of most important issues in the grid operation. The forecasting of power generations and power demands is the essential premise for generation arrangement and power management. Historically the conventional power grids were designed with large centralized generation...

This paper presents control strategies developed with two-level coordinated and double loop control for a standalone microgrid (SMG). The interfacing inverter is controlled to perform multi-functions. It incorporates the compensation for power quality problems at the point of common coupling and controls the voltage and frequency deviation to provi...

Abstract— Climate change caused by increasing greenhouse gas (GHG) levels released in the atmosphere by burning fossil fuels is threatening our ecosystem. A radical change in the behavior of humanity is thus needed urgently. One of the major challenges is to replace our current energy systems with sustainable systems in the face of environmental de...

Climate change caused by increasing greenhouse gas (GHG) levels released in the atmosphere by burning fossil fuels is threatening our ecosystem. A radical change in the behavior of humanity is thus needed urgently. One of the major challenges is to replace our current energy systems with sustainable systems in the face of environmental degradation....

Fundamentally, two main methodologies are used to reduce the electric energy bill in residential, commercial, and even industrial applications. The first method is to act on the supply side by integrating alternative means of power generation, such as renewable energy generators, having a relatively low levelized cost of energy. Whereas, the second...

In the framework of the Covenant of Mayors for mitigation and Green House Gas emissions reduction toward a sustainable future, proposed tools used in the South-Mediterranean countries have not always been sufficient. To quantify the territory emissions (Baseline Emission Inventory BEI), local authorities had to rely on inaccurate data that generate...

This paper examines the feasibility of implementing a variable frequency drive based on real-time control of the stator speed for a standby diesel generating-set using Genset-Synchro technology. The controller algorithms are designed using the Code Composer Studio version 8.0 software in C code, which can be downloaded to the digital signal control...

This paper examines the feasibility of implementing a variable frequency drive based on real-time control of the stator speed for a standby diesel generating-set using Genset-Synchro technology. The controller algorithms are designed using the Code Composer Studio version 8.0 software in C code, which can be downloaded to the digital signal control...

Renewable energies (RNE) and energy efficiency (EE) are considered as twin pillars in the energy strategic battle to decrease fossil energy consumption. The combined potential of energy efficiency and renewable energy to reshape energy future is substantial. The energy consumption profile of an industrial process or facility is considered to be an...

in the industry sector, the application of energy efficiency is an essential tool to save energy and to reduce the using of petroleum products. The development of rating of energy consumption for a process will reshape the outlook of the sector. The energy consumption profile of an industrial process is considered to be an energy footprint and a ma...

The renewables energies are being used to reduce the environmental pollution, combat the climate change and burning of fossil fuels. For remote or decentralized areas, where grid connection is very complex, renewable energy generation system can be a reliable and optimized source of energy. Moreover, wind-diesel-solar hybrid system technology promi...

Hybrid systems, which are composed of combinations of diesel generators, battery energy storage system and renewable energy resources such as photovoltaic, are outlined as a recommended approach for off grid power supply options for remote areas applications. Since these systems are not connected to an infinite source of energy, they must be well d...

The efficiency and cost of renewable power systems using intermittent resources could significantly be improved by developing low cost, high efficiency and more sustainable energy storage systems. There are various types of storage methods, some of which are already in use, while others are still in development. A comparison study between energy st...

Full Description While climate change mitigation and adaptation strategies are the world’s most prominent issue today, Lebanon, the Southern Mediterranean country, is trying to develop an integrated plan for urban development, energy supply, and environmental management. For years, the central authority in Lebanon has been unable to provide a stead...

Abstract-Renewable energy, energy efficiency have been a significant issue for the policy of decision makers. So selection of renewable energy type for industrial or residential applications becomes a question should be solved. In general, evaluating energy systems is a complex analysis that can be defined as a multi-dimensional space of different...

An overview of the impact of the equalization process on performance and behavior of Valve Regulated Lead-Acid (VRLA) batteries, which are a generally used in Hybrid Power Systems (HPS) is given in this paper. In order to extend the life time and runtime of batteries, an equalization process, with a good precision is required. Indeed, as mentioned...

Energy storage has been discussed in the electricity industry for many years. Today, energy storage enjoys a growing sense of promise, as many expect it will become a viable part of the electric system over the next decade. However, there are still very real challenges to the cost-effective deployment of storage solutions. The work described in thi...

An overview of the impact of the equalization process on performance and behavior of Valve Regulated Lead-Acid (VRLA) batteries, which are a generally used in Hybrid Power Systems (HPS) is given in this paper. In order to extend the life time and runtime of batteries, an equalization process, with a good precision is required. Indeed, as mentioned...

Energy storage has been discussed in the electricity industry for many years. Today, energy storage enjoys a growing sense of promise, as many expect it will become a viable part of the electric system over the next decade. However, there are still very real challenges to the cost-effective deployment of storage solutions. The work described in thi...

This work presents an experimental stand for the PWM control of a DC motor used for driving a conveyor belt. For supplying the DC motor an H-bridge has been used that allows the reversal of the motor rotation wise. The PWM signal is generated by an ARDUINO UNO board, equipped with an Atmega 328 microcontroller. For controlling the ARDUINO UNO board...

Compressed air energy storage (CAES) is one of the most promising mature electrical energy storage technologies. CAES in combination with renewable energy generators connected to the main grid or installed at isolated loads (remote areas for example) are a viable alternative to others energy storage technologies. Indeed, because of the advantage of...

Fossil energy is a major problem that disturbs the world. So replacing this kind of energy with another cheapest, harmless and that last forever become a strategic question. A big question still running the minds of the workers and investors in this sector, which type of renewable energy we should apply? At which cost? What will be the payback peri...

This paper addresses a new fully green solar-pumped hydroelectricity storage system as a way to effectively store the energy through the gravitational potential energy of stored water and uses it during peak demand hours. Electric energy produced by the photovoltaic system will be used to pump water during the day from a lower reservoir, in our cas...

This paper proposes a new method for gas concentration measurement. The method relies on the principle of plasma emissions of gases under high voltage. We proposed a method that uses digital image processing to model the color mixing of the emissions of the gases. The application of the inverse model allows us to get the percentages of each gas in...

This work presents an experimental stand for the study of a three-phase synchronous generator in reverse construction with permanent super magnets. This stand has been built at the Electrical Machinery Laboratory of “Vasile Alecsandri” University of Bacau. Synchronous generators with permanent magnets are used for producing electricity in wind powe...

This work presents an experimental stand for the study of a power electronics control system to locate and track the maximum power point of a photovoltaic (PV) array to ensure efficient power transfer from the solar cells to the load under varying environmental conditions. A real-time photovoltaic solar cell measurements and a control system was de...

Hybrid wind-diesel-compressed air generator with pneumatic hybridization of diesel generator (DG) represents an innovative concept to overcome most of the technical, economic and social barriers that faces the deployment of wind energy in isolated sites. Adding compressed air energy storage (CAES) to the hybrid system increases the wind energy pene...

This paper presents a brief review of the conventional and renewable energy statuses, in Lebanon, as well as of the principal problems facing the electricity of Lebanon Company (EDL). In addition, an analytical-critical review of the latest three official Lebanese electricity plans is presented. Furthermore, two future electricity generation plan-s...

Wind energy is the current “star” in the field of renewable energy for electrical production. Still, the power generated by wind turbines over time is characteristically uneven due to the unpredictable nature of their primary source of power. This only increases the problems inherent to the integration of a great number of wind turbines into power...

Résumé La production de l'électricité à partir de l'énergie éolienne, qui connaît un accroissement remarquable au niveau mondial, est rarement en phase avec la demande. Cette ressource ne fournit pas une énergie régulière et réglable à volonté suivant les besoins. Ainsi, la croissance de cette production décentralisée augmente les difficultés de st...