Energy and Power
What is the cost of electricity?
Electrification in the early 20th century dramatically improved productivity and increased the well-being of the industrialized world. No longer a luxury – now a necessity – electricity powers the machinery,… Read more
Nov 02, 2010 | By Edvard
Energy and Power
Short-Circuit Electrical Currents
A short circuit is one of the major incidents affecting electrical systems. The consequences are often serious, if not dramatic: Although short circuits are less and less likely to occur… Read more
Oct 28, 2010 | By Edvard
Medium Voltage
Aluminum vs. Copper: Conductors in Low Voltage Dry Type Transformers
In North America, aluminum is the predominant choice of winding material for low-voltage, dry-type transformers larger than 15 kilovolt-amperes(kVA). In most other areas of the world, copper is the predominant… Read more
Oct 27, 2010 | By Edvard
Solar Power
Generating Power In The Future – Solar Wind Power
As the world discovers new ways to meet its growing energy needs, energy generated from Sun, which is better known as solar power and energy generated from wind called the… Read more
Oct 24, 2010 | By Edvard
Energy and Power
Power System Stability
Power system stability is the ability of the system, for a given initial operating condition, to regain a normal state of equilibrium after being subjected to a disturbance. Stability is… Read more
Oct 23, 2010 | By Edvard
Cables
Types of Underground Lines
There are two methods of installing underground lines. In the first method, underground raceway systems (ducts) are installed below grade and then cable is pulled through them. Ducts may or… Read more
Oct 22, 2010 | By Edvard
News
Introducing EEP
Hi to everyone, we are working hard on EEP, which is by the way supported by CsanyiGroup – also electrical engineering portal. Content will be similar like CsanyiGroup’s, but with… Read more
Sep 16, 2010 | By Edvard
Medium Voltage
Comparison Between Vacuum and SF6 Circuit Breaker
Until recently oil circuit breakers were used in large numbers for Medium voltage Distribution system in many medium voltage switchgears. There are number of disadvantages of using oil as quenching… Read more
Sep 05, 2010 | By Edvard
Variable Speed Drives
The Best Applications For Variable Frequency Drives (VFDs)
Advances The most commonly used motor in building HVAC applications is the three-phase, induction motor, although some smaller applications may use a single-phase induction motor. VFDs can be applied to… Read more
Sep 03, 2010 | By Edvard
