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Technical Articles

IEC 62271-200 – HV Switchgear And Controlgear

Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV Switchgears are important nodal points in modern power distribution. Correspondingly… Read more

Dec 09, 2010 | High Voltage

IEC 62271-200

Time-Current Curves explained in details

Time-current curves are used to show how fast a breaker will trip at any magnitude of current. The following illustration shows how a time-current curve works. The figures along the… Read more

Dec 07, 2010 | Energy and Power

Time-Current Curves

Economic advantages of power factor correction

Power supply authorities apply a tariff system which imposes penalties on the drawing of energy with a monthly average power factor lower than 0.9. The contracts applied are different from… Read more

Dec 04, 2010 | Energy and Power

Economic advantages of power factor correction

Forms of Separation (1) – Introduction

Standard BS EN 60439 Part 1, describes a system for classifying the various forms of separation to be provided principally for: protection against contact with live parts belonging to the… Read more

Dec 04, 2010 | Low Voltage

Forms Of Separation - Introduction

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

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