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Category Archive for: «Energy and Power»

The Need for Reactive Power Compensation

Reactive Power Compensation Except in a very few special situations, electrical energy is generated, transmitted, distributed, and utilized as alternating current (AC). However, alternating current has several distinct disadvantages. One of these is the… Read more

Nov 19, 2010 | Edvard

Power Factor Correction

What is the cost of electricity?

Electrification // 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, the computers,… Read more

Nov 02, 2010 | Edvard

Cost Of Electricity

Short-Circuit Electrical Currents

Introduction to short-circuit 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 in… Read more

Oct 28, 2010 | Edvard

Short-circuit current diagram

Power System Stability

Basic Concepts 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 a condition… Read more

Oct 23, 2010 | Edvard

power-system-stability-2
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