High efficiency motor and inverter package

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saves Belgian steel maker €45,000 a year

High efficiency motor and inverter package
High efficiency motor and inverter package

Engineering Steel Belgium (ESB) has achieved substantial energy savings and is saving €45,000 per annum on the operation of three cooling pumps on one of its electrical steel furnaces, since the installation of three WEG W22 132 kW, IE2 high efficiency motors, controlled by WEG CFW variable speed drives.

Fully aware that the total cost of owning a pump is 90% energy consumption, ESB decided to replace the existing standard motors with three of WEG's new W22 high efficiency machines. Exceeding the energy performance requirements of the recently published IEC60034-30 energy efficiency standard, the W22 motors reduce losses by between 10% and 40% compared with typical motors.

WEG's CFW inverter drives selected for the motor control task are matched to the W22 motors, producing the optimum operating characteristics for high efficiency operation. A key feature in this respect is the drive's self-tuning feature, which automatically matches the drive to the motor and load, relieving the user of the task of entering a motor map.

Posted on September 9, 2014 - (869 views)
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