Power Supply Articles

  • Con Edison to pilot $15M virtual power plant project

    New York utility Consolidated Edison (Con Edison) plans to launch a pilot virtual power plant (VPP) project in June to test out the business case for integrating aggregated fleets of residential solar-plus-storage systems into the grid, Jamie Brennan, director of demonstration projects at Con Edison, told Energy Storage Update. The project will link hundreds of solar and battery storage systems ...


    By FC Business Intelligence

  • Large-scale PV power plants : Maintenance Pays Off

    Large-scale PV power plants are an investment in the future. Careful planning and SMA technology perfectly adapted to operator needs ensure that every plant is profitable and produces high yields. Regular maintenance is necessary to guarantee all plant components run safely and optimally, long term. They prevent smaller and larger defects from being overlooked and thus exert a considerable ...


    By SMA Solar Technology AG

  • These companies are figuring out how to take the toxics out of electronics

    As global consumption of cellphones and other devices soars, industry searches for ways to decrease the threat of chemical components to people and the environment. On a Wednesday in late February 2010, Hewlett-Packard hosted an unusual training session at its offices in Fort Collins, Colorado. The technology company had decided to eliminate ...


    By Ensia

  • How to measure the direction of current harmonics?

    If the generation side of the point-of-common-coupling (PCC) is essentially an islanded setup consisting of a few specific generators, then the amount of harmonics resulting from the generation "source" can be readily identified in a mathematical fashion from the relative impedance on the generation side of the PCC compared to the combined impedance on the load side of the PCC. (The source of ...


    By GoHz Inc

  • Micropower system modeling with Homer

    The HOMER Micropower Optimization Model is a computer model developed by the U.S. National Renewable Energy Laboratory (NREL) to assist in the design of micropower systems and to facilitate the comparison of power generation technologies across a wide range of applications. HOMER models a power system's physical behavior and its life-cycle cost, which is the total cost of installing and operating ...


    By HOMER Energy LLC

  • The Emerging Power of Microgrids

    Over many decades, the centralized power grid — a one-way flow of electricity, generated by large, remote power plants and distributed over miles of transmission lines to homes and businesses — succeeded in delivering electricity across continents to billions. But in recent years the system’s shortcomings have become increasingly ...


    By GLOBE Foundation

  • From biogas to natural gas - A new renewable fuel supply line

    Continents and countries that depend on fossil fuels, such as Europe, and within Europe, northern Europe, are increasingly looking with interest at renewable energies and are committed to developing such energies as a source for future development. Biogas from different sources is a valuable material for the production of energy, chemical products and bio-fuels. Because it is a renewable energy, ...


    By Energy & Waste S.l

  • The VIY-2 Ground Penetrating Radar

    Abstract The VIY-2 ground penetrating radar (GPR) with unique sounding possibilities and use simplicity is presented at this paper. The VIY-2 GPR combines all units (synchronizer, transmitting and receiving modules, power supply and antenna system) into single case. The VIY-2 GPR communicates with computer via standard interface RS232 or USB 1.0. Utilized by the VIY-2 GPR technical solutions ...


    By Transient Technologies LLC

  • Homogenic solution for food

    Food blending system “USB” is used for mixing of different components. This system are used for preparation directly in the capacity of food compounds or emulsions, for mixing of syrups, cocoa, cakes creams and other types of confectionery liquids. For products blending such as mayonnaise, sauces, ketchups, soups, juices and other compound foodstuff, and also in the confectionery ...


    By GlobeCore GmbH

  • The Right Supplies Your Car Detailing Business Needs

    Professionals involved in a car detailing business now utilize powerful and advanced car wash systems specifically designed to simplify a host of cleaning applications involved in getting a vehicle clean. These machines also guarantee superior cleaning results in very less time. Leading suppliers now offer a stunning range of equipment for car cleaning applications. The types of machines used by ...


    By Daimer Industries Inc.

  • Beyond the Brand: leaders in supply chain environmental sustainability

    Companies ignore the magnitude of their supply chain environmental impacts - and the environmental and financial risks and opportunities that they represent-at their own peril, writes James Salo. Republished from Newsweek; with ...


    By Trucost Plc

  • New chip captures power from multiple sources

    System developed at MIT could combine power harvested from light, heat and vibrations to run monitoring systems. Written by David L. Chandler, MIT News Office.You can read the original new in MIT NewsResearchers at MIT have taken a significant step toward ...

  • MonoScan and the indian monsoon case study

    MONOSCAN and the Indian Monsoon SolidAT MONOSCAN is the basis for a remote monitoring and alert solution against flood conditions in India. The challenges During the Monsoon season, agricultural lands are flooded near by the city of Aurangabad, State of Maharashtra in India. The local Government required an alert solution to remotely ...

  • Solar Power Group takes a creative approach towards cost reduction to power the CSP industry ahead

    Still dependent on subsidies and feed-in tariffs, the CSP industry needs to find creative ways to become more competitive within the renewables sector. CSP Today spoke to Mauricio Rojas, Head of Business Development at Solar Power Group, on the potential of hybridisation as a viable way to further market share What is the next step for CSP and where should companies focus their efforts to ...


    By FCBI Energy

  • Carbon Labelling: Impacting the Entire Supply Chain

    Carbon labeling is likely to be a powerful tool for informing consumers about the climate impacts of their  purchasing decisions, but generating and interpreting the data for an accurate  label is not without its challenges. Enhesa’s August 2011 webinar, attended by  over 200 EHS professionals, explored the potential effect of carbon labeling throughout  the entire ...

  • A two-stage power electronic interface for fuel cell-based power supply system

    The increasing energy demands, insufficient availability of power generation and increasing global environmental problems, need alternate/green power sources. Among the different green power technologies such as wind power, photovoltaic, gas turbine and fuel cell, the fuel cell-based distributed generation is considered as one of the most promising solutions for stand-alone/grid applications due ...


    By Inderscience Publishers

  • Design of an autonomous renewable hybrid power system

    This paper presents the development of an optimisation model for the design of an autonomous solar-wind hybrid system in combination with battery bank and diesel generator. The performance of solar and wind system is evaluated using new practical mathematical models, in combination with hourly measured meteorological data. Loss of power supply probability technique is used as a key system ...


    By Inderscience Publishers

  • How electric control valve actuators can eliminate the problems of compressed air as a power medium

    Sector: OH & gas Category: Electric actuators Products: CVA Today, a new major technological advance is available that can help control-valve users avoid many of the problems and inefficiencies associated with using compressed air as a power medium. The new solution uses electric power and eliminates dependence on compressed ...


    By Rotork

  • Regenerative snubber for UPS inverter

    An uninterrupted power supply (UPS) is used to provide electrical power to a load during an emergency situation in which the main utility power is not available. UPS topologies are well known. The inverter plays the most important role as an element in the UPS system. Usually, pulse width modulated inverters with voltage control and waveform shaping are used in UPS. This paper proposes an ...


    By Inderscience Publishers

  • The structure of electrical networks: a graph theory based analysis

    We study the vulnerability of electrical networks through structural analysis from a graph theory point of view. We measure and compare several important structural properties of different electrical networks, including a real power grid and several synthetic grids, as well as other infrastructural networks. The properties we consider include the minimum dominating set size, the degree ...


    By Inderscience Publishers

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