Electrical Technology Jan/Feb 2010

►News ►Feature: Automation ►Feature: Lighting ►Feature: Power factor correction ►Feature: 2009 good for Singer, 2010 looks even better ►NZEI: regulations update

Power factor and harmonics are the two most common power quality issues affecting large energy users.

If 2009 went down as the year LEDs arrived, then surely 2010 will mark their acceptance as the de facto illumination choice not only based on cost and their environmental suitability, but also now it seems too – flexibility.

World-leading Auckland researchers have been eliminating the need for wires to supply power for 20 years and their technology could soon underpin a new breakthrough – charging electric vehicles.

A CAM follower, also known as a track follower or load runner, is a specialised type of roller or needle bearing roller designed to follow cams.

It goes without saying that motors and drives are critical components advancing our innovative, reliable and increasingly energy-efficient industry.

With electrical and automation jobs requiring increasing levels of skills, more focus is being placed on training and education.

Electric arc welding has been described by many people as a “dangerous” activity. However it can be performed safely provided all circumstances and components of the welding process are considered.

“At stake right now is the right of the Kiwi consumer to control how much each household spends on electricity, while enjoying a standard of living and comfort appropriate for a First World country. Instead, the ‘gentailers’ are again arbitrarily doing exactly what protects their short-term profits and postpones their deadlines for further investment in infrastructure.