Search

Archive: Category «Energy and Power»

Harmonic Distortion

Harmonic distortion is caused by nonlinear devices in the power system. A nonlinear device is one in which the current is not proportional to the applied voltage. Figure 1 illustrates… Read more

Nov 23, 2010 | Edvard

harmonic_distortion

Battery monitoring and maintenance guidelines

Battery monitoring has become a very popular topic, and many companies have either purchased equipment or are in the process of evaluating these systems. This article discusses why monitoring is… Read more

Nov 21, 2010 | Edvard

Battery Monitoring And Maintenance

The Need for 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… Read more

Nov 19, 2010 | Edvard

Power Factor Correction

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 | Edvard

Cost Of Electricity

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 | Edvard

Short-circuit current diagram

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 | Edvard

power-system-stability-2


Premium Membership

Get access to premium electrical guides, technical articles and much more!