Low Voltage
Maintenance Of Low Voltage Circuit Breakers
The deterioration of low voltage circuit breaker is normal and this process begins as soon as the circuit breaker is installed. If deterioration is not checked, it can cause failures and malfunctions. The purpose of an electrical preventive maintenance and… Read more
Dec 31, 2010 | By Edvard Csanyi
Wind Power
Siemens Wind Turbine SWT-2.3-82
The SWT-2.3-82 turbine is the classical workhorse for utility-scale wind turbine projects, designed on the basis of our unique experience from more than 25 years of leading-edge design and construction of wind turbines. The turbine represents the best of the… Read more
Dec 30, 2010 | By Edvard Csanyi
News
Happy Holidays
With 2010 behind us, EEP wishes a very safe and warm new year to you and yours. Even in a very slow economic environment we at EEP have grown, mainly thanks to you. Increasing publishing, visits, readings and importance to… Read more
Dec 30, 2010 | By Edvard Csanyi
Energy Efficiency
Energy Efficency In Hospitals – Lighting (part 5)
Lighting is one of the large energy consumers in hospitals, just as in many other kinds of utility buildings. Various studies have shown that some 20% of the total energy consumption in a hospital is accounted for by the lighting… Read more
Dec 30, 2010 | By Edvard Csanyi
IEC Standards
Advantages Of IEC 61850
One of the significant challenges that substation engineers face is justifying substation automation investments. The positive impacts that automation has on operating costs, increased power quality, and reduced outage response are well known. But little attention is paid to how… Read more
Dec 29, 2010 | By Edvard Csanyi
Energy Efficiency
Energy Efficency In Hospitals – The Steam
Steam is used a great deal in hospitals: it permits high energy densities and enables large amounts of energy to be moved around easily. Steam can easily be generated from water, which is present everywhere in large quantities. Furthermore, steam… Read more
Dec 28, 2010 | By Edvard Csanyi
Energy Efficiency
Energy Efficency In Hospitals – Compressed air
Compressed air is an essential form of energy for a hospital. Depending on the requirements it can be divided into: – Medical compressed air and – Technical compressed air Medical compressed air has many uses in a hospital. Examples include… Read more
Dec 27, 2010 | By Edvard Csanyi
Power Substation
Types and Origins of Substation Fires
The risk of fire in substations has been historically low, but the possible impacts of a fire can be catastrophic. Fires in substations can severely impact the supply of power to customers and the utility company’s revenue and assets. These… Read more
Dec 26, 2010 | By Edvard Csanyi
Energy Efficiency
Energy Efficency In Hospitals – HVAC
In the following lines we will look at a number of case studies for energy saving options. These are subdivided into the following areas: – HVAC – Compressed air – Steam – Lighting – Cogeneration For each of these areas we first… Read more
Dec 25, 2010 | By Edvard Csanyi
Energy Efficiency
How To Achieve Energy Efficiency In Hospitals?
The great majority of the energy used within a hospital is purchased from outside in the form of natural gas and electricity. A small proportion is bought in as diesel oil. The energy bought in is converted by a number… Read more
Dec 25, 2010 | By Edvard Csanyi
Solar Power
Solar Energy Expands, Escapes the Power Grid
Solar power has come a long way since its origins as a niche technology for satellites, finding its way into a wide range of large and small power generation applications. This range of applications is what makes photovoltaics unique among… Read more
Dec 24, 2010 | By Edvard Csanyi
Lighting
Distribution Of Energy For Lighting – History
Edison planned his first installation for New York City, and decided that an underground system of distribution would be necessary. This took the form of a network supplied by feeders radiating ftom a centrally located degenerating station to various feed… Read more
Dec 24, 2010 | By Edvard Csanyi
Energy and Power
Siemens – Busway Purpose and Definition
Commercial and industrial distribution systems use several methods to transport electrical energy. These methods may include heavy conductors run in trays or conduit. Once installed, cable and conduit assemblies are difficult to change. Power may also be distributed using bus… Read more
Dec 23, 2010 | By Edvard Csanyi
High Voltage
Use Of Vacuum As A Breaking Medium
SF6 and vacuum are the two most modern breaking techniques in the fields of Medium Voltage (from 1 to 52 kV) and High Voltage (> 72.5 kV). They appeared in the 1960’s and rapidly developed as of the 1970’s. Today… Read more
Dec 22, 2010 | By Edvard Csanyi
Power Substation
Establishing New Power Substation
The construction of new substations and the expansion of existing facilities are common place projects in electric utilities. However, due to the complexity, very few utility employees are familiar with the complete process that allows these projects to be successfully… Read more
Dec 20, 2010 | By Edvard Csanyi
