Drive package for water, wastewater and irrigation

Friday, 22 June, 2007 | Supplied by: Danfoss (Australia) Pty Ltd


A complete package of complementary products is available with the VLT Aqua Drive from Danfoss Drives. A broad range of VLT MCD100, 200 and 3000 series soft starters suitable for motors up to 1200 kW are available to handle fixed speed applications. These are suitable for operation by the drive in cascade control mode, for example on multiple pump applications.

VLT FCM300 frequency converter motors and FCD300 decentral drives are designed for low power applications in harsh environments and are ideal 'assistants' to the VLT Aqua Drive in water applications. The decentral drives can be mounted on or near motors, reducing the need for long screened motor cables. Power and communication wires can be looped between the IP66 classified enclosures on the FCD300 Series, which saves significantly on cabling costs. With high power drives and plants with large numbers of drives, harmonic disturbance and EMC emission are extremely important considerations. The drives include built-in AC mains RFI filter providing suppression to AS61800-3:2005 category C3, with up to 150 m shielded motor cable as standard, avoiding the need for extra external filters in most cases. DC link harmonic coils are also built in as standard to reduce the total RMS current and subsequent voltage and current distortion and improve the true operating power factor. In addition, a range of Advanced Harmonic Filters solutions and dedicated dv/dt and sine wave filters can be provided to suit most demanding applications.

A range of panel solutions to complement the standard factory IP00/20/21/54/55/66 drive and soft starter enclosures is also available. The panel solutions combine standard VLT drives with input and output filter options, together with other power and control equipment required to meet local specifications.

MCT 10 PC software for drive programming and diagnostics and MCT31 harmonic calculation software are powerful tools for selection, set-up and operation of the drives in water and wastewater systems.

Online: www.danfoss.com.au
Phone: 03 9538 4444
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