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Technical Articles

Maintenance

Maintenance and testing of overcurrent protective devices

When designing electrical distribution systems, required maintenance and testing of the overcurrent protective devices is a very important consideration. The electrical system reliability, component and circuit protection, and overall safety… Read more

May 04, 2015 | By Edvard

Maintenance and testing of the overcurrent protective devices
Energy and Power

Calculating the short circuit heating of busbars

Like all electrical circuits, busbars need to be protected against the effects of short-circuit currents. The open construction of busbars increases the risk of faults, e.g. by the ingress of… Read more

May 01, 2015 | By Edvard

Calculating The Short-Circuit Heating Of Busbars
Energy and Power

5 Types of equipment which generates the most harmonics

Harmonic load currents are generated by all non-linear loads. This includes: Switched mode power supplies (SMPS) Electronic fluorescent lighting ballasts Variable speed drives (VSDs) Uninterruptible power supplies (UPS) Magnetic-cored devices… Read more

Apr 27, 2015 | By Edvard

Power Substation

Basic Stand-Alone Application of Reclosers

Reclosers are self-contained fault interrupting and reclosing devices, specifically designed for overcurrent protection in secondary distribution systems. Reclosers are situated in selected locations within the overhead distribution network. With the… Read more

Apr 15, 2015 | By Edvard



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