Magazine Volume 3 Issue 1

Energy efficiency in buildings demystified

E-mail Print PDF

Roeland De Meulenaere and Bohdan Soroka

Buildings account for 40% of energy consumption in Europe, so their inherent efficiency is very important. Efficient space heating requires a properly insulated and sealed building, together with a correctly sized heating system. The choice of system is also important; best practice includes gas-fired condensing boilers and ground-water heat pumps.

Read more...

EPQU Magazine Volume 3 Issue 1

E-mail Print PDF

Welcome to the first issue of Volume 3 of EPQU Magazine. I hope you will appreciate the new features and format of our renewed e-journal. So what's new?

First of all, EPQU Magazine becomes a fully and exclusively electronic magazine. The magazine fully exploits the benefits of electronic publication, such as reader comments and video interviews.

Read more...

Flow batteries

E-mail Print PDF

Petra de Boer, Jillis Raadschelders

A flow battery is a type of battery that can be designed very flexibly. It can be designed for high power applications as well for high-capacity electricity storage. Other types of electricity storage, like conventional batteries or flywheels, do not show this flexibility and therefore have some limitations to their applications. Flywheels are mostly used for short durations ( 500 kW), while batteries are used for lower power ( 1 hour).

Read more...

A New Vision of PQ Research for the Next 10 Years

E-mail Print PDF

Bill Howe

The Electric Power Research Institute has created a detailed vision for power quality research for the next 10 years. The EPRI PQ MasterPlan document defines not only specific needs and objectives of PQ research for the next 10-20 years, but also presents a renewed and vigorous vision for the role that PQ can and should play in enhancing the economic performance of modern electric power suppliers, manufacturers, and other key industry partners.

altDownload full text

 

Energy efficiency of distribution transformers in Europe

E-mail Print PDF

Roman Targosz, Frangiskos V. Topalis

Losses in distribution transformers account for almost one third of overall transmission and distribution losses. Previous European Copper Institute studies indicated that improving energy efficiency of existing European stock of transformers by 40% would result in about 22 TWh energy savings equivalent to about 9 million tonne of CO2eq. SEEDT is one of the projects developed under Intelligent Energy – Europe programme which converts EU energy policy for today’s energy challenges like energy efficiency.

Read more...

Maintenance as a tool ...

E-mail Print PDF

... to increase the electric power availability, reduce running costs and prevent damage to people & property

Leonardo Energy launches its case study series with this first one about maintenance as a tool to increase the electric power availability, reduce running costs and prevent damage to people & property by  Matteo Granziero.

A lack of preventive maintenance on electrical systems can cause poor quality and wasted power or even danger for people and property. Scheduling annual inspections by experienced personnel is the solution to maintain high levels of electric power and safety for the enterprise.

altDownload full text

 

Video interview with Bill Howe from EPRI

E-mail Print PDF

Leonardo ENERGY launches its video channel where you can watch interviews with sustainable energy experts around the world. In this interview, Bill Howe shares the vision of EPRI on PQ research for the next 10-20 years, and also presents a renewed and vigorous vision for the role that PQ can and should play in enhancing the economic performance of modern electric power suppliers, manufacturers, and other key industry partners.

Saving energy with high efficiency motors

E-mail Print PDF

Stefan Fassbinder

Once upon a time there was a buyer at a large company who had to purchase a large three-phase induction motor with a power rating of 1 MW that was to be used in a big machine. As usual, he invited suppliers to submit bids. Before drafting the tender documents he spoke to the head engineer and technicians at the relevant technical department about the expected number of operating hours per year, the machine’s level of utilization and its load profile. Talks then began with potential suppliers about what sort of efficiencies could be achieved.

Read more...

Voltage dips at an automobile manufacturer

E-mail Print PDF

A power quality case study by Michiel Van Lumig

Various departments at a car manufacturing plant are suffering from regular process outages due to voltage dips. These dips are causing production losses in the Metal Operation, Spray Coating, and Assembly departments that directly affect the productivity of the plant. The cost of those losses is directly related to the profile of the voltage dip (duration and depth).

Read more...

Power Quality in Internet Data Centers

E-mail Print PDF

Mark Stephens

The building of Internet data centers (IDCs) is a growing industry that is pushing the limits of electric power and reliability requirements. As utilities must decide whether it is worth the cost to build new infrastructure to keep up with the present demand, facility operators are looking at power distribution designs that will improve efficiency and allow them to continue to expand their operations.

Read more...

Page 1 of 3

  • «
  •  Start 
  •  Prev 
  •  1 
  •  2 
  •  3 
  •  Next 
  •  End 
  • »