Monthly Archive for: «May, 2011»

GIS control system

For ease of operation and convenience in wiring the GIS back to the substation control room, a local control cabinet (LCC) is provided for each circuit breaker position (Figure 1). The control and power… Read more

May 29, 2011 | Edvard

GIS control system

GEAFOL – cast-resin transformer

The Siemens’s transformer GEAFOL principle has succeeded in producing transformers with excellent electrical, mechanical and thermal characteristics, which have also proved to be particularly compatible with the environment. GEAFOL transformers are insulated with an… Read more

May 27, 2011 | Edvard

Siemens's cast-resin transformer 'GEAFOL'

Technology future – The cost of inaction

Without new thinking on technology intervention, the future looks bleak. Unless the role of technology in the global economy is reconsidered, we risk becoming powerless to feed a growing population, combat climate change, meet… Read more

May 25, 2011 | Edvard

Technology future - The cost of inaction

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… Read more

May 23, 2011 | Edvard

Printed Circuit Board (PCB)

Economic analysis of an MHPP

As with any other investment project, the economic feasibility of micro hydro projects must be proven to attract the interest of investors. It is also of key importance in enabling financial institutions to supply… Read more

May 20, 2011 | Edvard

Economic analysis of an MHPP

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… Read more

May 15, 2011 | Edvard

Testing of UPS devices
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