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Drives Motors Features

 Drive upgrade proves a seismic shift for PGS

Drive upgrade proves a seismic shift for PGS

09/07/2012

A drive upgrade has enhanced the thruster performance on a fleet of seismic survey vessels owned by Petroleum Geophysical Services (PGS) of Norway. A 15-year life cycle extension and improved dynamic performance has been achieved, following upgrades to an original analogue variable-speed drive system.

 Design breakthrough cuts CAPEX and OPEX

Design breakthrough cuts CAPEX and OPEX

09/07/2012

New entrant to the wind turbine market, Wind Technologies has recently completed testing on a radically different type of generator – one that could result in substantial cuts to the cost of operation and maintenance of wind turbines.

 Motors on tough assignments

Motors on tough assignments

09/07/2012

Building motors that not only have to operate under extreme physical conditions, but which may also have to comply with strict output noise limitations, requires a specialist technology. David Melder highlights the challenges posed by naval and land-based military hardware design projects, and describes various types of motor that his company has developed for these technically demanding applications.

 High power and load? Think ‘synchronous’

High power and load? Think ‘synchronous’

09/07/2012

Synchronous motors are increasingly the motor of choice in high power, heavy load applications, writes Marek Lukaszczyk. This is because they are able to correct power factor at the motor power supply, thus reducing electrical power consumption and improving electrical efficiency.

 Inverter takes the jerks out of water skiing

Inverter takes the jerks out of water skiing

02/07/2012

Waterskiing without a boat seems an unlikely prospect until one considers that until the advent of winch launches, gliders always had to be towed into the air. Now a Russian entrepreneur has done a similar thing for waterskiing, replacing the boat that pulls the skier with an electric motor controlled by one of Lenze’s IP31- rated SMVector drives.

The future of engineering design, today”: For almost half a century, DPA has helped design engineers, OEMs, machine builders and system integrators stay ahead of the curve by combining visionary thinking with real-world practicality. Future-focused and reader-first, DPA is the valued engineer’s companion, bridging the gap between today’s shop floor and tomorrow’s smart factory.

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