electronic power supply system Articles

  • What Electronics Are Recyclable?

    Do you have electronics that are just sitting in your closet and you don't know what to do with them? There are companies that will take them and separate them into different categories like plastics, glass, circuit boards, hard drives and more. Some of the electronics that are good for recycling are telecommunication equipment, networking equipment, sound and visual equipment, back-up power ...


    By Harden Industries Ltd.

  • A three-phase uninterruptible power supply with an adaptive reference waveform generator

    In this paper, a new digital deadbeat controller along with a modified adaptive reference signal generator are designed, implemented and applied to a three-phase series-parallel line-interactive uninterruptible power supply (UPS). This kind of UPS system provides input power factor correction, output voltage conditioning with higher efficiency compared with other kinds of UPS. It consists of a ...


    By Inderscience Publishers

  • Socio-economic aspects of an off-grid SPV power supply system in an island village in India

    The electrification of five villages in Sagardeep island in south Bengal by the West Bengal Renewable Energy Development Agency (WBREDA) with lighting and power by Solar Photo-voltaic (SPV) devices, in line with the concept originating more than three decades ago and culminating in launching countrywide rural electrification, is clearly a successful venture. But there are distinct implifications. ...


    By Inderscience Publishers

  • The mystery of electronic water treatment unveiled

    The problems of scale are well known to those living and working in "hard" water areas. Scale is the undesirable consequence of water supplies becoming super-saturated with dissolved minerals.  These problems are of greater significance if found in industrial water systems and commercial buildings. Scaling problems commonly occur, even in "soft" water areas, when a fluid stream is ...

  • How green is your supply chain?

    Over the past ten years, protection of the environment has become a household concern and an industrial priority. Concerns about industrial pollution are often linked with the production of industrial waste and high energy usage. However, not just industry but all businesses have an environmental impact – even within the office environment there may be significant emission of greenhouse gases and ...


    By IMSM Ltd

  • Preventing Rust Formation with Electronic Water Treatment

    The growing demand for water for industrial applications, power production and water supply has resulted in an increasing need for water treatment. The water used in industry comes from a range of sources such as rivers, lakes, wells and oceans and contains dissolved and suspended solids.  In addition the industrial world has to reuse water which in turn causes it to be highly concentrated ...

  • Electronic Water Treatment Reduces Fouling In Reverse Osmosis

    Reverse Osmosis (RO) is used in processes requiring high-quality, purified water, such in semi-conductor processing or biochemical applications and can be used to treat boiler feed water, industrial wastewater or process water. A water purification technique, it reduces the quantity of dissolved solids in solution. RO uses waterline pressure together with energy consuming pressurizing pumps that ...

  • ELECTRONIC WATER TREATMENT REDUCES FOULING AND CORROSION IN PIPELINES

    Increasing pressure loss in the pipeline is often caused by scale corrosion or product fouling of the internal surfaces. This condition slows transmission and distribution capacity, and can require more than just routine maintenance if it remains unaddressed. Interior corrosion, fouling and leakage in pipeline systems will adversely impact bottom-line operations. ...

  • Electronic water treatment reduces fouling in heat exchangers

    The deposition of material on heat transfer surfaces is called fouling which significantly impacts on the thermal and mechanical performance of heat exchangers. Fouling increases the overall thermal resistance and lowers the overall heat transfer coefficient of heat exchangers as well as impeding fluid flow, accelerating corrosion and increasing pressure drop across the heat ...

  • 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

  • Recycling Computer Waste: A Revolutionary Idea to Reduce Electronic Waste

    Time and again, we often come across words like Reduce, Reuse and Recycle. Let’s face it, being a consumer, we deal with daily stuff which could be recycled and reused. The garbage which we throw into dustbin could contain various types of products which could be recycled and reused but we are not quite aware about which products could be recycled. Electronic waste is one such type of waste ...


    By Ethical IT Recycling

  • Electronic Water Treatment - An alternative solution to removing beerstone and limescale

    Beer contains 90% water and is the most important ingredient in determining its flavor.  Water contains calcium and is the most important mineral to the brewing process.  The levels of calcium in local water have determined the type of beer produced.  The different types of beer whether a light lager or a porter are for the most part due to the water profiles of the areas that made ...

  • Some aspects of switching power amplifier used in electromagnetic levitation system

    Power amplifier is one of the important elements of any attraction type levitation system. Due to the advancement in power electronics and control technology it is now possible to develop power amplifier which will have the properties like fast dynamics, large bandwidth, ability to carry large payload, energy efficient, high reliability and cost effective. Both linear and switching mode power ...


    By Inderscience Publishers

  • Powering up your business

    Dramatic incidents such as explosions, fires, floods and landslides make the headlines, but mundane mishaps such as diggers cutting through cables can cause just as many problems for businesses.  With many companies now putting all their eggs in one electronic basket, power supply is a critical factor in business life with the fear of electricity blackouts identified as a major problem for ...


    By Shenton Group

  • DSTATCOM for power quality improvement in a four-wire electric distribution system

    This paper deals with the simulation of a Distribution Static Compensator (DSTATCOM) for power quality improvement in a four-wire electric distribution system. A three-phase Insulated Gate Bipolar Transistor (IGBT)-based Current-Controlled Voltage Source Inverter (CC-VSI) with a DC bus capacitor is used as a DSTATCOM. The DSTATCOM improves the supply power factor, eliminates harmonics, provides ...


    By Inderscience Publishers

  • Replacement Fill Control Valves with Electronic Flow and Metering Improve Pressure, Stop Leakage and Prevent Valve Failures

    The City of Modesto, California is situated 90 miles east of San Francisco and has approximately 200,000 residents relying on 200,000 of gallons of water a day. The City needed to upgrade three water storage tanks that hold approximately 750,000 gallons each. After years of using motor operated valves to fill water storage tanks, the city recognized that there were just too many problems. ...


    By Singer Valve Inc.

  • Case Study - 6MW Non-Condensing Power Plant

    Lihir Island, Papua New Guinea – 2003 First Geothermal Power Station in PNG: Press Release, April 16, 2003 Lihir Gold Limited “Gold company Lihir Gold Limited is turning its vast geothermal resource into an opportunity. In April, the company started commissioning a 6MW geothermal power station, the first in Papua New Guinea to use natural geothermal ...

  • 3E Company Gives Cabot Microelectronics Corporation the Power to Comply with Global Regulations

    Background Cabot Microelectronics Corporation (CMC) is a supplier of sophisticated polishing compounds and polishing pads used in the manufacture of advanced semiconductors and rigid disks--critical components that drive today‘s electronic systems from desktop and laptop computers, cellular phones and electronic games, to personal data assistants, telecommunication ...


    By 3E Company

  • The Beltran biomass cogeneration system

    An effective, economical solution for harvesting safe, renewable domestic energy, mitigating wastes and achieving environmental goals. Background The Beltran Biomass Cogeneration System (BBCS) is an integrated, three-stage process that uses proprietary gasification technology to convert biomass and other organic wastes into versatile, cleanburning synthesis gas. The purified ...


    By Beltran Technologies, Inc.

  • HawkEye CSO Discharge Alarm System

    Hawkeye is a two-channel GSM telemetry recorder and a joint venture between Hydro-Logic and IETG of Leeds. Hydro-Logic provide the key electronic and firmware technology basing it on our successful Hawk range of outstations. It was the first fully integrated measurement and telemetry system specifically designed to monitor the performance of Combined Sewer Overflows (CSO). All electronics ...

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