Celduc Relais DC solid state relays
14 March, 2012Celduc Relais has introduced the next generation of DC solid state relays designed for inductive loads such as high switching frequency electrovalves and solenoids.
Reinhausen AcF series active harmonic filters
06 February, 2012AcF series active filters from Maschinenfabrik Reinhausen are suitable for three-phase, 3-wire and three-phase, 4-wire systems and are available both in 415 and 690 V versions.
NORD Drivesystems Profinet interface for SK 500E inverters
05 August, 2011 byNORD Drivesystems supplies Profinet modules for the integration of frequency inverters into Profinet environments and has introduced modular units for cabinet-mounted SK 500E inverters while a version for distributed SK 200E-type inverters will follow.
Westek DPI25 Series voltage dip-proofing inverter
24 March, 2011The DPI25 Series voltage dip-proofing inverter is designed for motor control applications where there are frequent voltage dips and momentary interruptions to power, and for instances where momentary interruptions to processes are expensive or where it is critical to maintain operations such as lifts or conveyors.
Schaffner Sinusoidal FN5040/45 drive output filters
23 August, 2010 byThe Schaffner Sinusoidal FN5040/45 output filters are designed to ensure cooler and more reliable drives. As well as offering the capacity to prevent premature failures and expensive downtime, they are matched to the technical requirements of modern drive systems reducing the extra losses experienced in AC motors.
SEW-Eurodrive Movipro SDC standard drive controller
20 April, 2010 byThe Movipro SDC (standard drive controller) features a compact IP54-rated enclosure and is designed to provide industry with an easy-to-use field-mountable drive solution, suitable for decentralised single-axis speed control and positioning applications.
The drive for harmonic balance
19 April, 2010The presence of harmonics can drastically alter the quality of the power provided to electrical systems and may affect equipment on that supply. Peter Tomazic, Solution Consultant for the Systems and Solutions business of Rockwell Automation, explains how harmonics are generated, why they are a problem and discusses various engineered solutions that can mitigate their effects.
Allen-Bradley PowerFlex 753 AC drive
01 March, 2010The Allen-Bradley PowerFlex 753 AC drive has been optimised for general-purpose induction motor control applications, while maintaining the functionality of the PowerFlex 750 series.
ABB ACS 2000 air-cooled AC drive
07 February, 2010 byThe ACS 2000 air-cooled general-purpose AC drive is designed for reliability, easy installation and fast commissioning. The drive is specifically targeted at fan, pump, compressor and other common applications in industries such as water, cement, minerals and mining, metals, oil and gas, pulp and paper, power generation and chemical.
Sinamics G150 Clean Power frequency converter
15 January, 2010 byThe Sinamics G150 Clean Power frequency converter from Siemens is designed to provide an energy-efficient drive with high power rating for fans, pumps and compressors or extruders, mixers and mills. The converter also reduces low-frequency harmonic effects on the system and thus fulfils the high requirements for current and voltage quality placed on mains supplies.
Altivar 312 variable speed drive
23 November, 2009 byThe Altivar 312 variable speed drive’s auto-tuning, preprogrammed application settings and enhanced communication capabilities are designed to ensure suitability for applications ranging from standalone production machines to integrated process architectures.
Altivar 12 variable speed drive
23 November, 2009 bySpecifically developed for integration into small industrial and consumer machines, the Altivar 12 variable speed drive ensures easy set-up, flexibility and installation time saving in a compact package.
High power drives
26 October, 2009 bySchneider Electric’s Altivar 61 Plus and Altivar 71 Plus are low-voltage variable speed drives for high power ratings, from 90 kW to 2400 kW, and are designed for simplicity of operation.
Building a reliable VFD system
16 October, 2009 by Brian Shuman, Senior Product Development Engineer, BeldenA variable frequency drive (VFD) regulates the speed of a three-phase AC electric motor by controlling the frequency and voltage of the power it delivers to the motor.
Drives
21 September, 2009 byThe ACS850 drive features an in-built, energy-saving calculator, embedded Modbus and drive-to-drive link, intelligent user interface with a series of assistant wizards, integrated safety functions, modular hardware and software, and a removable memory unit.
