Vacon Variable Speed Drives - Restoring Flood Damage

Exsel Pumps
Exsel Pumps2
Exsel Pumps3

Flooding across the country over the winter months caused major problems across a large and diverse variety of locations. Many flooded areas required extensive pumping to remove the floodwater, which quickly becomes stagnant and causes a health risk along with exacerbating damage the longer it is left. In order for the heavy-duty pumps to perform to optimal capability and without breakdowns, variable speed drives are required; Ralspeed recently supplied several of these to specialist pump supplier Exsel Pumps in Southampton.

Exsel were asked to provide a temporary solution while an existing pumping station was being refurbished to cope with the excessive demand. This pumping station dealt with sewage and excess rainwater from the surrounding area, therefore both product reliability and flexibility were key factors in selecting the equipment.

After a makeshift pump control station was created using two large shipping containers, four variable speed drives supplied by Ralspeed were installed within. These were fixed using the innovative Uni-Strut mounting system, allowing numerous drives (in any combination) to be used up to a maximum capacity of 1000 amperes.

The four drives chosen were built to the same high specification as our hire fleet control panels, with Vacon drives selected for their proven effectiveness and consistent reliability. All drive panels were all custom built by Ralspeed, and once installed the units were connected to a single custom PLC system, complete with distribution panel to provide both functionality and power.

At the heart of the control system was a Siemens S7-1200 PLC and colour touchscreen HMI; which allowed setting up and configuring the different pumping options literally at the touch of a button, and easily tailored to the customers various needs. Clear graphical display provides an overview of the system, also making commissioning simpler and more cost effective.

The project to remove the sewage and floodwater was a complete success and the pump-and-drive combination of systems worked without any problems. We would like to thank Exsel Pumps for their custom and for sharing their update on the project with us.

For more information on our fleet of variable speed drives and control gear, please call our customer service team on 01254 582345 or email at sales@ralspeed.com. 

20th May 2014, 2:21
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Page updated 5th Jun 2014, 09:33
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