Frames added to motor efficiency controller range
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Power Efficiency Corporation product story
Edited by the Engineeringtalk editorial team
Aug 3, 2009
Power Efficiency has expanded its three-phase motor efficiency controller product line to support higher-power motors.
The motor efficiency controller product family is based on E-Save Technology, which can provide energy savings of up to 35 per cent in appropriate constant speed and variably loaded applications using AC induction motors.
In addition to energy savings, the motor efficiency controller is a solid-state motor controller with a soft start and electronic motor protection.
With the addition of three new frames to the product family, the three-phase motor efficiency controller with E-Save Technology can now provide energy savings to AC induction motors rated up to 300hp.
The additions are targeted for applications in the mining, cement, recycling, plastics and other industrial markets.
These three new frames were recently certified by Underwriters Laboratories (UL) to meet all of the requirements of a solid-state motor controller.
These new frames are controlled by a high-performance digital signal processor (DSP), which contains most of the company's proprietary algorithms.
Incorporating a DSP expands the potential for additional features and functionality to be developed into the motor efficiency controllers.
The company believes one of the most valuable features will be for each motor efficiency controller to communicate critical information in real time over the internet.
As such, the company has added an optional Ethernet interface to these frames and has released a new version of its motor control software, called Mecassistant.
The company believes many customers will want to have many types of critical information communicated over internal or external networks, possibly including data on energy use, energy savings, CO2 emissions, motor diagnostics and more.
The company's first-generation digital motor efficiency controller communicated through a Serial port to a computer, but with Ethernet communications, this data can be sent directly through wired or wireless communications directly to corporate networks.
In addition to releasing three new frames for larger horsepower motors, the entire motor efficiency controller product line, from 15-300hp, was expanded to include an IP00 rating and IP65/Nema 4X.
The IP00 rated product is designed for OEMs and end users that have existing motor control cabinets, while the IP65/Nema 4X product is rated for standalone applications that need protection against water, dust and corrosion typically seen in outdoor installations.
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