Browse Items (106 total)

  • Tags: Resistance heating

Big data analysis is becoming an increasing field of interest for research to analyse, identify and predict final user's behaviour. For this reason, in the energy sector, smart metering is generally used to find new business opportunities and,…

The rapid growth of Development Zones in China leads to a high concentration of energy consumption and promotes the trend of energy integration which includes integrated energy technology and integrated energy service. By analyzing the integrated…

Driven by global environmental emission issues, energy access in remote communities, and tighter requirements for system resilience and reliability, electricity production is shifting from a centralized paradigm to a decentralized one. In this…

This article proposes distributed demand response (DR) approaches for a multienergy residential community, which is equipped with various energy conversion and storage devices to serve multiple residential loads (e.g., electricity, natural gas, and…

Integrated energy system (IES) has the advantages of improving energy efficiency, optimizing energy structure and reducing pollutant emissions, so it has become one of the most effective measures to solve the energy and environmental problems. To…

Growing interest in the intermittent renewable energy sources may jeopardize the flexibility of power systems. In order to improve the flexibility of modern power systems, the surplus electricity generated by renewable sources can be deployed into…

Cascaded utilization of natural gas, electric power, and heat could leverage synergetic effects among these energy resources, precipitating the advent of integrated energy systems. In such infrastructures, energy hub is an interface among different…

This paper proposes a decentralized demand management approach to reduce the energy bill of industrial park and improve its economic gains. A demand management model for industrial park considering the integrated demand response of combined heat and…

The aggravation of global energy crisis and environmental pollution impels people to speed up the research of energy utilization. The multi-carrier energy system (MES) can greatly improve the energy utilization efficiency, the construction of Energy…

This paper proposes an energy optimization management method of interaction between the smart energy hub (SEH) and users in the energy system. Internet of Things (IoT) and energy storage are also considered in the system. First, the models of the SEH…

The coordinated operation of different energy systems, such as electrical, gas, and heating, can improve the efficiency of the whole energy system and facilitate the larger penetration of renewable energy resources in the electricity generation…

The microgrid operation is addressed in this paper based on a multi-carrier energy hub. Natural gas, electricity, heating, cooling, hydrogen (H2), carbon dioxide (CO2), and renewable energies are considered as the energy carriers. The purpose is to…

A microgrid scenario that consists of electric vehicle (EV) station, combined heat and power (CHP) co-generation, main power grid, and external natural gas station, as well as thermal energy storage water tank is considered in this paper. By jointly…

In the last decade, a number of severe urban power outages have been caused by extreme natural disasters, e.g., hurricanes, snowstorms and earthquakes, which highlights the need for rethinking current planning principles of urban energy systems and…

Traditional energy supply systems generally focus on energy storage, which ignore the coupling relationship and interaction among natural gas, heat energy and electrical energy. In this paper, an integrated energy system with various energy storage…

This study proposes an optimized model of a micro-energy network (MEN) that includes electricity and natural gas with integrated solar, wind, and energy storage systems (ESSs). The proposed model is based on energy hubs (EHs) and it aims to minimize…

This paper presents a day-ahead scheduling approach for a multi-carrier residential energy system (MRES) including distributed energy resources (DERs). The main objective of the proposed scheduling approach is the minimization of the total costs of…

The increasing penetration of renewable resources causes some challenges like the electric power demand prediction uncertainty and energy surplus. Energy storage systems (ESS) are promising solutions for these challenges. However, considering the…

A large number of renewable energy resources are integrated into the integrated energy system (IES), which complicates the IES dispatching, especially for accommodating anti-peak-regulation of wind power. To cope with that, a day-ahead IES optimal…

The power to gas (P2G) technology can realize the large-scale storage of electric energy in the form of natural gas, so that the power system and the natural gas system have the ability to flow energy, and the degree of coupling between the power…

The energy crisis and increasing concerns about the environment in modern society have fostered the development of the integrated energy system (IES) in smart grid. The energy hub (EH) is a minimum construction of the IES. The chief purpose of this…

The traditional energy system has the disadvantages of high energy consumption and high emission. Through multiple energy networks interconnection and flexible energy conversion, the regional integrated energy system (RIES) can satisfy various energy…

Solar photovoltaic (PV) systems are becoming an indispensable source of energy for residential customers and are contributing to increase the sustainability of energy systems. However, practical methods that can aid customers to make informed…

Taking into account the quasi-dynamic characteristics of the thermal system can improve the complementary characteristics of the integrated energy system and reduce the operating costs. Firstly, by analyzing the quasidynamic characteristics of the…

The coordinated operation and comprehensive utilization of multi-energy sources require systematic research. A multi-energy microgrid (MEMG) is a coupling system with multiple inputs and outputs. In this paper, a system model based on unified energy…

In this brief, the online energy management problem of a grid-connected microgrid is studied. The considered microgrid is a typical system that consists of renewable energy generations (RG), local co-generations with combined heat and power supply,…

Gas generation and heat storage are playing a prominent role to multi-energy systems (MES), and coordinated planning of integrated electricity, heat and gas infrastructures can highly benefit MES. In this context, a coordinated planning model of MES…

The integrated energy system (IES) of offshore oil and gas platforms is a complex energy intensive system, which is composed of energy supply system (ESS), oil and gas production system (OGPS), diesel oil supply system (DOSS) and oil storage and…

Direct electrical heating (DEH) has shown to be a very promising method to prevent wax and hydrate formation in subsea pipelines in the North Sea. In this system the heated pipeline is an active conductor in a single-phase AC electric circuit,…

The world depends on oil for much of its energy needs and global demand for oil is forecast to increase significantly in the future as countries such as China and India continue to develop Much of the world's conventional or “easy” oil sources have…

The world depends on oil for much of its energy needs and global demand for oil is forecast to increase significantly in the future as countries such as China and India continue to develop [1]. Much of the world's conventional or “easy” oil sources…

The integrated energy system (IES) of offshore oil and gas platforms is a complex energy intensive system, which is composed of energy supply system (ESS), oil and gas production system (OGPS), diesel oil supply system (DOSS) and oil storage and…

Direct Electric Heating (DEH) was first utilised by Statoil in the 1990's as an alternative subsea Hydrate mitigation measure. Since then the application of DEH has been expanded to a number of projects predominantly around the North Sea. The Shah…

A kind of extracting oil pipe heating technology supplied by AC-DC-AC inverse system is developed in the paper. The inverse system, in which IGBT acts as a main inverse element, solved the non-balanced problem of the electric power transmission-line…

Due to the harsh conditions sub-sea flow lines are exposed, they are subject to clogging by hydrates. Up to now, sub-sea pipeline heating was mainly used for purpose of preservation in case of production shutdown to prevent this pipe clogging. Access…

Deepwater fields are characterized by extreme low temperature and high pressure, houses huge potential amount of hydrated gas. However, deepwater is associated with scenarios such as, costly structures, scattered wells, and exploration at even…

Direct electrical heating (DEH) has shown to be a very promising method to prevent wax and hydrate formation in subsea pipelines in the North Sea. In this system the heated pipeline is an active conductor in a single-phase AC electric circuit,…

The formation of hydrates in the subsea production of oil and gas is a well-known problem. As the unprocessed well stream cools down, hydrates start to form around 25 degC, depending on the water cut and pressure in the pipeline. Several solutions…

Formation of hydrates is a well known problem in subsea production systems for oil and gas. As the unprocessed well-stream cools down, hydrates are formed at temperatures up to 25 /spl deg/C depending on the water cut and pressure inside the…

Applying electrical heat tracing to pipelines can dramatically increase the reliability and efficiency of such pipelines. As a matter of fact over the years, electrical heat tracing has played an important role in the enhancement of flow assurance of…

Two investment studies were made on typical petrochemical plants to compare capital costs for installation of steam and electrical pipeline heating systems. It is found that for the plants studied, the electrical investment is significantly lower. A…

In the modern international practice of liquefied petroleum gas supply to consumers, systems for propane-butane mixture regasification based on electric vaporizers of various steam capacity, which operate, in different modes of evaporation depending…

The world depends on oil for much of its energy needs and global demand for oil is forecast to increase significantly in the future as countries such as China and India continue to develop Much of the world's conventional or “easy” oil sources have…

An estimation of GHG emission of waste cooking oil recycling producing bio diesel fuel, was undertaken in comparison with a complete use of cooking oil, the former is currently promoted in Bogor City, Indonesia, while the latter is commonly practiced…

The future energy system could benefit from the integration of independent gas, heat and electricity infrastructures. Such a hybrid energy network could support the increase of intermittent renewable energy sources by offering increased operational…

In this paper, an optimal planning model is developed for the integrated district energy system to explore the synergy between different energy forms. The individual operating characteristics of electric distribution networks and natural gas pipes…

Integrated energy system is important for the high-efficient utilization of multitype energy systems. In this paper, the stochastic optimal operation is investigated for the micro integrated electric power, natural gas, and heat delivery system…

The world depends on oil for much of its energy needs and global demand for oil is forecast to increase significantly in the future as countries such as China and India continue to develop [1]. Much of the world's conventional or “easy” oil sources…

One of the problems in the transportation of hydrocarbons through product pipelines in the gas industry is the safe operation and uninterrupted pumping, ensuring the required rheological properties. Prevention of formation of gas hydrates by gas…

With the increasing needs for long-term fossil fuels, the Arctic regions of the world have opened up to opportunities in oil/gas development, Northern transportation, and sea routes to reduce travel times between Europe and Asia are also increasing…
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