The designed life expectancy of MV cable accessories is nothing less than 30 years. If they fail within this 30 year period or show signs of partial discharge, tracking and erosion, then something is not right. End users need to ensure that they install MV cable accessories that are designed for the application and pollution conditions. In this article, the author focuses on MV cable terminations.

We all do it. Gaze out of oblong windows from seats in their upright positions; feel the deceleration of the plane as it floats down the glide slope of the approach; watch our smooth descent toward two retreating columns of light defining the runway ahead. It is part of the experience of flying and much of your personal safety rests on the reliability of the airfield lighting systems that serve as the pilots' visual aids during take-off and landing.

Is your plant a mixed bag of different manufacturer legacy PLCs that are not networked? Would you like to upgrade to the latest control system functionality? The author's company, has invested several years of research and completed several plant migrations to the latest technology with zero downtime and at a fraction of a complete upgrade cost. This article considers a phased approach to upgrade your system in a cost efficient way.

South Africa faces an energy gap in the next three years. But that does not mean that industry or society needs to grind to a halt. Rather, it demands a concerted and coordinated effort to ensure that the electricity resources which are available are used to the best effect, with optimum efficiency and minimal waste, even as Eskom invests in bringing new generation capacity on line. Following a strategic review process a new division has been formed and is positioned as a core business unit within Eskom. This division is Integrated Demand Management (IDM).

Certain power electronics applications require such extraordinary performance in accuracy, drift or response time that it is necessary to switch to advanced technologies to achieve them. The validation of equipment is often made through recognised laboratories using highly accurate performance test benches supported by high-tech sub-assemblies, including extremely accurate current transducers. These transducers are still in need for these traditional applications, but are also becoming part of high performance industrial applications, namely medical equipment (scanners, MRI), precision industrial motor controls, metering or accessories for test and measuring equipment.

The longevity of a transformer is directly related to the condition of the paper. This article discusses paper that can be upgraded to be thermally more stable - thus slowing down the ageing process. The influence on the oil when using thermally upgraded paper is also discussed.

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A brand new energy efficiency assessment tool - the Energy Barometer - has been developed. The Energy Barometer makes it very easy to assess the energy performance of a facility or building. It is especially valuable for owners of property portfolios who want to evaluate and improve energy consumption within their portfolio. The second annual assessment process recently opened for public participation. This article provides a birds-eye view of the assessment methodology used, how businesses can participate, and what they will gain in the process.