Yaskawa commemorates first U.S.-manufactured MV1000 medium-voltage drives

The Kagami-Biraki sake ceremony celebrates the start of U.S. manufacturing of the Yaskawa MV1000 medium-voltage ac drives, first in that series of drives to be built in Oak Creek, Wis., with an investment in manufacturing and testing in excess of $3 million. See photo gallery from the ceremony and plant tour, below.

12/27/2012


Executives from Yaskawa America, Inc. and Yaskawa Electric Corp. (Japan) open casks at the Kagami Biraki sake ceremony to commemorate the first Yaskawa medium-voltage drive produced and shipped in the U.S. CFE Media photo by Mark T. HoskeYaskawa Electric Corp. and Yaskawa America Inc. celebrated the start of U.S. manufacturing for the Yaskawa MV1000 in a ceremony at the Yaskawa America Oak Creek, Wis., plant on Nov. 30. Yaskawa offered the medium-voltage drive (for motors up to 5000 hp) earlier this year, but ordering and shipping from Japan takes about 6 months. That’s expected to be reduced to 8 weeks or less after more than $3 million is invested by 2014 for new manufacturing and testing areas in the 30,000-sq-ft plant. By late 2013, models serving up to 5,000 hp are expected to be available, including UL and CSA listings.

John Merrison, Yaskawa senior product marketing manager, said the Yaskawa MV1000 medium-voltage drive protects the connected motor and main from harmonics, which extends motor life and avoids electric utility penalty charges, and it saves energy, he said.Yaskawa MV1000 is said to be the smallest 1000 hp drive available, with 30%-60% smaller volume compared to the last generation of Yaskawa product. It also has the longest mean time between failures (MTBF) at 200,000 hours, a number expected to increase, said those involved. Yaskawa Smart Harmonics Technology reduces input harmonics, meeting IEEE519-1992 and eliminating the need for other filters. Total harmonic distortion (THD) is less than 2.8%. Energy savings for customers derive from 97% or better power conversion efficiency at rated load and by motor speed control, particularly on variable torque loads such as fans, blowers, and pumps.

Employees, customers, and guests were invited to the plant for a Kagami-Biraki sake ceremony commemorating the new beginning. They celebrated next to the first MV1000 units made there, two of which were ready to ship to a pipe manufacturing customer in Ohio. Another will remain at the Oak Creek plant for demonstration, display, and continued testing.

Yaskawa Oak Creek now employs 115 and will augment engineering, application support, manufacturing, and testing as needed, the company said.

More about MV1000

The MV1000 drive uses open-loop vector control, meaning it is highly resistant to load fluctuations, enabling stable continuous operation without using an encoder. High-performance vector control can be used with synchronous motors as well as induction motors. The available user interface is the same used with Yaskawa 1000-Series low-voltage drives, for easy setting and operation. The Yaskawa DriveWizard Plus MV helps with setup, maintenance, and troubleshooting. A USB copy device aids with the transfer of parameters from drive to drive. Communications options include RS485 (Modbus), DeviceNet, Profibus-DP, and Ethernet. The drives are available at2.4 kV power lines (up to 2750 hp) or 4.16 kV (up to 5000 hp). Multiple induction motors can be run with one drive, reducing overall system size. Other options, including input integral input switchgear and engineered bypasses, will also be available.

Photo gallery follows. "Mouse over" the photos to see captions.

Controls for this Yaskawa MV1000 medium voltage drive are in a slide-out drawer on the right, separate from higher-power areas, reducing requirements for personal protective equipment (PPE) for controls-only access. CFE Media photo by Mark T. Hoske

Configuration options are many for the Yaskawa MV1000 medium voltage drive. One combination for external user interface is shown. CFE Media photo by Mark T. Hoske

Yaskawa is now manufacturing the MV1000 medium voltage drive in Oak Creek, Wis. CFE Media photo by Mark T. Hoske

Yaskawa developed software that provides quality checks and error-proofing during assembly, ensuring personnel choose the correct parts and the correct tools at the right time during assembly, said David Thurwanger, manager, operations, Oak Creek plant.

Careful attention to quality at Yaskawa Oak Creek, Wis., manufacturing plant has improved no-error assembly from 41% in 2001 to more than 99% in 2012 for floor-mount drives. CFE Media photo by Mark T. Hoske

Yaskawa Oak Creek, Wis., plant is a certified, UL test facility for motors and drives. Regeneration recaptures electricity during tests, drastically reducing overall electricity use. Here two large horsepower motors are shown. CFE Media photo by Mark T. H

Yaskawa Oak Creek, Wis., UL-certified test facility for motors and drives can accommodate up to 1,700 hp. This motor is 1,500 hp. CFE Media photo by Mark T. Hoske

This platform at Yaskawa Oak Creek, Wis., plant, holds a 1500 hp motor that has been aligned with a laser and moved with a Yaskawa drive to ensure proper positioning and preservation of a $9,000 linkage between motor and load during UL-certified testing.

Crane serving the Yaskawa Oak Creek, Wis., UL-certified test facility for motors and drives uses three Yaskawa drives. CFE Media photo by Mark T. Hoske

Low pressure washdown is part of testing at the Yaskawa Oak Creek, Wis., UL-certified test facility for motors and drives. CFE Media photo by Mark T. Hoske

High pressure washdown testing with a fire hose is available at the Yaskawa Oak Creek, Wis., UL-certified test facility for motors and drives. CFE Media photo by Mark T. Hoske

www.yaskawa.com

- Mark T. Hoske, content manager, CFE Media, Control Engineering, Plant Engineering, and Consulting-Specifying Engineer, mhoske(at)cfemedia.com

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