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New compact sensorless AC drive from Parker gives 12% energy savings

Parker Hannifin, the global leader in motion and control technologies, has launched a new family of revolutionary AC drives that allow energy efficient permanent magnet motors to be used in a wide range of pump, fan and compressor applications

PRLog - Nov. 26, 2009 - LEIGHTON BUZZARD, U.K. -- Parker Hannifin, the global leader in motion and control technologies, has launched a new family of revolutionary AC drives that allow energy efficient permanent magnet motors to be used in a wide range of pump, fan and compressor applications.  Designated the AC650S Series, the new drives eliminate the need to run permanent magnet motors with closed loop speed sensors, enabling them to be used as replacements for induction motors, helping manufacturers improve both performance and profitability.  

Using the AC650S Drives to switch from induction to permanent magnet motors can cut energy consumption by up to 12% while reducing the combined drive and motor envelope by as much as 75%.

To date, permanent magnet motors have not been widely used in many industrial applications as they require additional speed or position sensing mechanisms and control by high end drive units, making them relatively costly and complicated to install.  As a result, even though they are less efficient and considerably larger in size, induction motors have generally been the preferred choice for design and production engineers.

Now, however, by using innovative algorithm control based on motor voltage and current output, the new AC650S Drive enables standard permanent magnet motors to be used in closed loop applications, without the need for additional sensors.  Engineers can therefore benefit from the energy savings that can be achieved from brushless motor such as Parker’s NX and ATEX EX Series, with savings of up to 12% for a 0.75kW system being possible; similarly, engineers have the opportunity to design more compact control systems, which can be as small as 25% the size of a conventional induction motor assembly.

The new AC650S Drives provide high start-up torque, without the need for additional tuning, and offer a range of features to make them quick and simple to setup and install.  For example, each drive is supplied with free software configuration tools, with pre-set macros for many common applications, and requires just a few motor parameters to be input during commissioning. Additionally, the AC650S has front panel mounted LCD and input controls, with simple diagnostics, integrated EMC filters and analogue and digital I/O, including RS232 programming ports.  The new drive can also be supplied with optional Profibus-DP and Modbus RTU interfaces, while a cloning module is available to enable up to ten drive configurations to be stored for ease of maintenance.

The AC650S family of drives is available in three frame sizes, covering single and three phase applications, from .25kW to 7.5kW and output frequencies from 0 to 500Hz.  Parker also provides full technical and applications support through its global network of manufacturing and customer service centres.

With annual sales exceeding $10 billion, Parker Hannifin is the world's leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of mobile, industrial and aerospace markets. The company employs approximately 52,000 people in 48 countries around the world. Parker has increased its annual dividends paid to shareholders for 53 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index. For more information, visit the company's web site at http://www.parker.com, or its investor information site at www.phstock.com

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Source:4 C M
Phone:01296 660080
Zip:LU7 0UE
Location:Leighton Buzzard - Bedfordshire - United Kingdom
Industry:Engineering, Manufacturing, Industrial
Tags:parker hannifin, magnet, motors, ac drives
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