Electronics
ESD – Electro Static Discharge
An increasing problem today with the use of more and more electronic equipment in our systems is the Electro Static Discharge (ESD). The main source of the problem is the wrong handling of electronic components, printed circuit boards, etc. A… Read more
May 23, 2011 | By Edvard Csanyi
Transformers
TRIHAL – Dry type cast resin HV/LV transformer
Trihal is a three-phase dry type transformer cast under vacuum in epoxy resin with an active filler. It is this active filler, essentially composed of trihydrated alumina, which is the origin of the Trihal trademark. The magnetic core is made… Read more
May 22, 2011 | By Edvard Csanyi
Hydropower
Economic analysis of an mini hydro power plant (MHPP)
Micro hydro projects must be proven to attract the interest of investors. It is also of key importance in enabling financial institutions to supply the funds necessary to finance the project in addition to the promoter’s own funds. As with… Read more
May 20, 2011 | By Edvard Csanyi
Renewable Energy
Is Wind Power the Answer to Small-Scale Renewable Energy?
Wind Power. A subject that is close to my heart (literally, as I live in a very windy valley!). Wind power has the potential to be used in a home environment only in the right circumstances, and has the potential… Read more
May 18, 2011 | By carlor10
SCADA
Wind Turbine Control and Operation with Ovation SCADA
Wind is an infinitely renewable supply of power that can be harnessed as an outstanding energy source given the proper location and use of the latest turbine generation technology. Major power producers world-wide have adopted wind power, a clean source… Read more
May 16, 2011 | By Edvard Csanyi
Energy and Power
Testing of UPS devices
The purpose of electrical testing on systems and their components is two-fold. The first is to check the installation of the equipment and perform component and systems tests to ensure that, when energized, the system will function properly. The second… Read more
May 15, 2011 | By Edvard Csanyi
Energy and Power
Moisture Effect On Insulation Of Generator
Moisture, which can enter the insulation of a generator or motor winding from damp air or which can enter the winding of a transformer from wet oil, will make a surprisingly large difference in the insulation resistance. This is clearly… Read more
May 13, 2011 | By Edvard Csanyi
Energy and Power
Magnifying transmitter – Nikola Tesla
Nikola Tesla is known for many great inventions. Almost all modern power distribution and production systems use Tesla’s designs from over 100 years ago. In addition to that, we have Tesla to thank for radio transmission, remote controls, florescent lighting,… Read more
May 11, 2011 | By Edvard Csanyi
News
Symphony Plus – new generation of ABB’s total plant automation
Zurich, Switzerland, April 19, 2011 – ABB, the leading power and automation technology group, announced the launch of its Symphony™ Plus distributed control system (DCS). Key customer benefits include improved plant productivity and energy efficiency, as well as enhanced operational… Read more
May 09, 2011 | By Edvard Csanyi
Lighting
Power supply of luminaires with magnetic ballasts
Fluorescent tubes and discharge lamps require the intensity of the arc to be limited, and this function is fulfilled by a choke (or magnetic ballast) placed in series with the bulb itself (see fig. 5 ). This arrangement is most… Read more
May 07, 2011 | By Edvard Csanyi
Lighting
Lighting quality, how to achieve?
Achieving the required illuminance level does not necessarily ensure good lighting quality. The quality as well as the quantity of illuminance is important to produce a comfortable, productive, aesthetically pleasing lighting environment. The quality of the lighting system refers, but… Read more
May 06, 2011 | By Edvard Csanyi
Cables
General considerations when choosing power cable
Thousands of cable types are used throughout the world. They are found in applications ranging from fibre-optic links for data and telecommunication purposes through to EHV underground power transmission at 275 kV or higher. Certain design principles are common to… Read more
May 04, 2011 | By Edvard Csanyi
Wind Power
Can I Go Off-Grid With Hybrid Systems?
Hybrid wind energy systems can provide reliable off-grid power for homes, farms or even entire communities (a co-housing project, for example) that are far from the nearest utility lines. According to many renewable energy experts, a “hybrid” system that combines… Read more
May 03, 2011 | By Edvard Csanyi
Transformers
Where to put transformer?
With electric wires being strung at the tops of poles to keep them out of the reach of the general public, it is obvious that transformers would be hung on the same poles, as close as possible to the high-voltage… Read more
May 02, 2011 | By Edvard Csanyi
Power Substation
Electrical substation introduction and elements
An power substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high or medium to low or the reverse using transformers. Electric power flows through several substations between generating plant and… Read more
Apr 29, 2011 | By Edvard Csanyi
