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Monthly Archive for: «January, 2012»


12 Main Classes Of Power Transformer

Transformers are used for a wide variety of purposes, with the complete range of voltage and power ratings as well as many special features for particular applications. The following covers… Read more

Jan 08, 2012 | By Edvard

SIEMENS - View of the main production hall of the Nuremberg transformer plant.
Electric Motor

How to select AC converter for VSD?

Altough manufacturers’ catalogues try to make it easy as possible, there are many variables associated with the selection and rating of the optimum electric motor and AC converter for a… Read more

Jan 06, 2012 | By Edvard

Variable Speed Drives (VSD's) used for submersible pumps
Renewable Energy

Photovoltaic End-Use Application Markets

Photovoltaic markets can be classified based on the end-use application of the technology. The most common PV projects are off-grid applications. Water pumping also represents an important application of PV,… Read more

Jan 04, 2012 | By Edvard

Photovoltaic End-Use Application Markets
Medium Voltage

ABB MV Switchgear – Single Busbar Or Double Busbar?

Most switchgear installations used in industry with normal service conditions are based on single busbar arrangements. Compared to double busbar switchgear, single busbar switchgear is definitely easier to use, readily understood… Read more

Jan 03, 2012 | By Edvard

ABB Switchgear - single busbar or double busbar?
Energy and Power

The Need for Breaker Failure Protection

Circuit breakers are strategically located in power systems to connect circuits and electrical apparatus. Circuit breakers are commanded to open and close by protection and control systems that monitor conditions… Read more

Jan 01, 2012 | By Edvard

Eaton - Magnum circuit breaker

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