Voltage Management Articles

  • Customer case: Telenor reaps the benefits of remote power

    The Norwegian telco operator Telenor applies Eltek's "remote power" concept in their mobile network, distributing 380 V DC to Remote Radio Units (RRUs) - with significant documented savings as a result. In collaboration with Eltek, the Telenor Technology Centre has developed a solution for High Voltage Distribution which offers completely new opportunities and savings for the development of the ...


    By Eltek AS

  • Marine AC UPS for Critical Offshore Installations

    Equipment installed in ships or offshore installations typically operate under tough conditions, and any possible equipment failures can have serious cost impact. Despite this, products not really suited for the applications are often chosen based on the initial cost rather than looking at the total cost of ownership. One example is the use of a modular marine AC UPS versus the use of a modified ...


    By Eltek AS

  • INDIAN FARMERS CAN GENERATE 800000 MW SOLAR POWER

    INDIAN FARMERS CAN GENERATE 800000 MW SOLAR POWER DANGERS OF CENTRALIZED POWER PLANTS ...


    By AADHUNIK GLOBAL ENERGY

  • Protection Relay for Shaft Current and Voltage

    Introduction The paper deals with the specific protection relay for all types of generators. The instrument, called Shaft Current and Voltage Protection Relay (SCVP) was developed at KONCAR – Electric Engineering Institute Inc. This instrument is a part of Institute's product line used for monitoring and diagnosis of rotating electrical machines. The most important parts ...

  • Nottingham - Condensing Combi-Boiler case study

    Customer: Mr Tony Goodyear, Heating Engineer Location: Nottingham Heating System: Gas Condensing Combi Boiler installed: 08/07 Problems: New condensing boiler fitted within the past 12 months had failed to rectify noise from pump and problems with air present in ...


    By Vortex Energy Saver

  • Climate resilience (with oysters)

    Earth’s rising temperatures mean more glacier melt, sea-level rise and severe weather, and this translates to heightened threats for coastline communities. In response, SCAPE Landscape Architecture — powered by President Obama’s Rebuild by Design Initiative — has proposed an innovative way to protect coastlines that ...


    By Ensia

  • Black Box for Electrical Machines

    Abstract This article describes a specific monitoring system for electrical machines, called black box for electrical machines (Electrical Machines Black Box, EMBB).  Detailed analysis about problems of harmful working conditions that can occur on all electrical machines has been made. Based on these data and on measurement and control ...

  • Simulation study of dimensional effect on bipolar resistive random access memory

    The dependency of the RRAM device electrical parameters such as set voltage, reset current and resistance on the RRAM cell dimensional scalability is investigated with Monte Carlo simulation to optimise the power consumption of bipolar RRAM. It is found in the simulation that the switching process in bipolar RRAM is related to the cell dimension in the region of 10 nm to 100 nm in terms of its ...


    By Inderscience Publishers

  • Drift Step Recovery Diode Transmitter for High Power GPR Design

    Some elements of the modern ground penetrating radar (GPR) determine its performance factor, resolution and depth of sounding. There are impulse transmitter, ultra-wide-band receiver as well as transmitting and receiver antennas. Improvement of the GPR's parameters is usually achieved by modernization of receiving circuits, antenna design, decreasing of input noises and using of complex ...


    By Transient Technologies LLC

  • Brownian motion of magnetic nanoparticles as a source of energy?

    Brownian motion of magnetic nanoparticles in a low–density gas can induce random voltage pulses in a microscopic electric circuit containing a high–number–of–turns coil and a classical diode rectifier. The amplitude of the voltage pulses is estimated and the rectification condition examined. We have shown that in our toy–model nanogenerator where the motion of the magnetic nanoparticle is ...


    By Inderscience Publishers

  • Variable frequency drive energy saving on air compressors

    When we are looking for an innovative way to make its rotary-screw compressors more energy efficient and operator-friendly, they turned to Gozuk, Low-Voltage VFDs. In addition to supplying VFDs to control the speed and torque of the AF-series compressors, the Gozuk project team designed software to control the system pressure, air delivery, oil temperature and duty cycle directly from the VFD. ...


    By Variable Frequency Drives

  • Energy management system for a PV assisted conventional vehicle

    In this paper, a novel algorithm is proposed, for effective energy management of a conventional internal combustion engine vehicle, consisting of a photovoltaic (PV) source and battery also to power its electrical load. It offers a more practical and eco friendly solution of fossil fuel consumption reduction as compared to presently available alternatives such as electric/hybrid electric ...


    By Inderscience Publishers

  • Peristaltic Pumps play key role in rectifying the pH balance of mine water

    After decades of uncontrolled industrial (mining) activities, water supply is under serious threat. Studies show that acid water levels in the country's mines are rising at a staggering average rate of 0.59 m/day. The water situation is in fact threatening the population’s survival. At the heart of resolving this problem are the treatment of water and wastewater. This article looks at ...

  • Analysis of the conditions of use of the high-frequency power transformer and design principles

    According to the conditions of use of the high-frequency power transformer (transformer manufacturers) analysis, the overall two-fold: the feasibility and electromagnetic compatibility. Only pay attention to the feasibility of environmental protection awareness, must pay attention to electromagnetic compatibility. Feasibility refers to the specific conditions of use, high-frequency power ...

  • Difference between Frequency and high-frequency forklift

    First, the difference between the high frequency and power frequency Workers Electric Reach Truck charger power devices operating in the linear state, which means he used up the power device is always at work, and therefore would result in low efficiency of his work, generally in the range of 50% to 60%, have to say he is good linear ...

  • SiC Mosfets with Schottky power diodes help optimise the design of multi–functional arc welding equipment in popular power range

    Logistics, welder's comfort, productivity and quality need of weld joint and jobs in hand at site etc., together decide the required arc (constant current (CC) or constant voltage (CV) or their combination) characteristics. Multi–functional arc welding equipment meets such needs. High across the load efficiency, fast settling time of output variables and light and compactness are major ...


    By Inderscience Publishers

  • Challenging Engineering Design and Ultra Pure Fabrication for the Semi-Conductor Industry

    Challenging Engineering Design and Ultra Pure Fabrication for the Semi-Conductor Industry The semi-conductor industry is one of the most demanding in terms of its requirements from suppliers. Only a few companies worldwide have the expertise, the facilities, the knowledge and the experience to be considered when new plant equipment is put out for bidding. Similar to the pharmaceutical and food ...


    By Fabricated Plastics Limited

  • Fuel Cell Voltage Monitoring Considerations

    Knowing what’s happening inside a fuel cell is a critical function, especially as fuel cells are continuing to be developed. One important aspect of this is to measure the voltageof each cell in a stack. Although this may sound trivial, it can be more complex and more expensive than it may at first appear due to high voltages, high channel counts,communication types, etc. There ...


    By Fuel Cells Etc

  • Beaverbrooks Adele House – ComEC – Office Building

    The Customer Beaverbrooks the Jewellers are one of the UK’s leading jewellers. Their name is well known on the high street and in the business world, for their integrity, passion and caring approach. With over 800 people and over 65 stores throughout the United Kingdom, not to mention the internet and mail order teams, they work hard to create wonderful experiences which in ...


    By Apollo Enviro

  • Beaverbrooks Basingstoke – ComEC – Retail

    BEAVERBROOKS THE JEWELLERS – BASINGSTOKE Beaverbrooks the Jewellers’ store in Basingstoke was identified as one of their retail stores which could make substantial energy savings through voltage optimisation. Apollo Enviro was appointed to survey the site and identify the correct unit, before arranging the installation and subsequent monitoring of the energy savings ...


    By Apollo Enviro

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