DPA Magazine | Features - The Engineer's Trusted Source of inductry articles

Getting IE3-ready; thinking outside the motor

05/07/2015

The second stage of the EU motor efficiency regulations took effect at the start of this year. Until now, the industry has mainly focused on electric motors, but that is not enough. To optimise the efficiency of machines and systems, other control elements have to be taken into account, says Stuart Greenwood.

Invertek chooses bespoke over COTS for vital dc link choke

05/07/2015

It was during the development of its Optidrive E2 variable speed drive that Invertek turned to power specialist, REO for help concerning the development of a suitable dc link choke, choosing a custom build rather than a ‘commercial-off-the-shelf’ (COTS) approach.

Norway operates world's first all-electric car ferry

05/07/2015

Siemens delivers the electric propulsion system and charging stations powered from hydro power sources for the world's first all-electric car ferry. Effectively emissions-free, the ferry uses just 150kWh per journey, slashing the operator's fuel costs.

Motor and drive efficiency: a collective approach

01/04/2015

Efficiency, reliability and total cost of ownership are all terms that a project engineer will be familiar with; however, looking at items of equipment on an individual basis may not deliver the maximum benefits. Far better to look at the wider picture says Markus Kutny.

Novel aluminium surface treatment achieves corrosion resistance of stainless steel

01/04/2015

Krijn Verwijs processes shellfish products. At its Yerseke, Netherlands facility, the company has long battled with the effects of corrosion due to the seawater-infused atmosphere at the plant. For the conveyor drives, however, they seem to have found a solution to this problem.

Drives Motors Features

Getting IE3-ready; thinking outside the motor

Invertek chooses bespoke over COTS for vital dc link choke

Norway operates world's first all-electric car ferry

Motor and drive efficiency: a collective approach

Novel aluminium surface treatment achieves corrosion resistance of stainless steel