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Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, electrical guides, and papers.

Archive: Category «Energy and Power»

What is the resonance phenomena?

The use of both capacitive and inductive devices in distribution systems leads to resonance phenomena, resulting in extremely high or low impedance values. These variations in impedance modify the current… Read more

Dec 09, 2011 | Edvard

What is the resonance phenomena?

Transient Voltage Surge Suppressors

Transient Voltage Surge Suppressor (TVSS) is a device that every data center or mission critical facility should have. Why should every data center have one and what does it do… Read more

Dec 01, 2011 | Edvard

Transient voltage surge suppressors - ABB (OVR series)

Fire Properties Of Cables

This is an area of increasing public and legislative concern, and therefore of increasing interest to engineers. There have been major advances in the fire performance of cables in recent… Read more

Nov 21, 2011 | Edvard

KBS cable coating fire protection

Partial Discharge Testing On Power Cable Systems

Partial discharge measurement is an important method of assessing the quality of the insulation of power cable systems, particularly for extruded insulation materials. This article considers partial discharge from two… Read more

Nov 18, 2011 | Edvard

On-Line Partial Discharge Testing 27.6 kV XLPE Cable

Moving Iron Instruments – Voltmeter and Ammeter

Moving-iron instruments are generally used to measure alternating voltages and currents. In moving-iron instruments the movable system consists of one or more pieces of specially-shaped soft iron, which are so… Read more

Nov 13, 2011 | Bipul Raman

Analog ammeter and voltmeter designed to measure a.c. current and a.c. voltage

The Importance of the Correct PPE

Whilst awareness of the dangers of arc flash has continued to increase over the last few years, the number of incidents that are still occurring on a daily basis are… Read more

Oct 29, 2011 | cgoulds

Electrical safety


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