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ePlusMenuCAD 10 RC1 released

Today we released ePlusMenuCAD 10 RC1! Why RC1 (release candidate 1)? Simply because Help is not written yet. It will be added as soon as possible together with releasing of… Read more

Dec 03, 2010 | News

ePlusMenuCAD

Electrical Certificates

There is often confusion about what is commonly referred to as an “Electrical Certificate”. There are essentially 3 types of documents or certificates. Each imply different type of certification. “Electrical… Read more

Dec 02, 2010 | Energy and Power

Electrical Certificate, Tests and Report

Wind Variability

One of the most critical features of wind generation is the variability of wind. Wind speeds vary with time of day, time of year, height above ground, and location on… Read more

Nov 30, 2010 | Wind Power

wind_turbines_farm-big

ABB invests in renewable energy company

Zurich, Switzerland, November 24, 2010 – ABB, the global power and automation technology group, announced today it has invested about $13 million in Aquamarine Power, a Scottish company that has… Read more

Nov 29, 2010 | News

waves

Transformer Cooling Classes

Since no transformer is truly an “ideal” transformer, each will incur a certain amount of energy loss, mainly that which is converted to heat. Methods of removing this heat can… Read more

Nov 28, 2010 | Transformers

Transformer Cooling Classes

Should You Invest in Solar Power?

Solar power is quickly gaining popularity all over the globe. It is growing at a rate of 2% per year, and if the figures continue to grow, solar energy will… Read more

Nov 27, 2010 | Solar Power

solar-invest

Electrical Power System Overcurrents

Electrical power systems must be designed to serve  a variety of loads safely and reliably. Effective  control of short-circuit current, or fault current as  it is commonly called, is a… Read more

Nov 27, 2010 | Energy and Power

Megger Tests

The insulation resistance meter test method for determining the condition of electrical insulation has been widely used for many years as a general nondestructive test method. A serious limitation of… Read more

Nov 26, 2010 | Metering

Megger

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 | Energy and Power

harmonic_distortion
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