Delta delivers efficient irrigation to South African farmers

A pumping station powered by Delta CP2000 frequency drives is delivering efficient irrigation to a dairy farm in South Africa in an area experiencing irregular and ever decreasing rainfall.
Withheld -energy Delta CP2000 frequency drives drive the six underground well pumps and make positive that the water delivered to the surface is transferred on to the upper tank.
The dairy farm wanted a pump system to access ground water from wells and guarantee a dependable and cost-effective water supply. The farm’s proprietor commissioned an appropriate system from electrical installation planners, Pienaar Elektries, which specialises in agricultural operations. Following an in-depth planning and consultation process, Pienaar Elektries opted for several automation products from Delta.
The planned irrigation system comprised two reservoirs at totally different heights, to be crammed with water by a complete of six underground well pumps in a single day, when the vitality prices were low. A transport pump is used to switch water from the lower reservoir to the higher one. The height distinction allows the sprinkler system to be operated utilizing gravity alone through the day, making it notably efficient. The cattle and the dairy also can take their water supply from this irrigation system. The key requirements of the challenge were cost efficiency and low power consumption.
Five low-energy Delta CP2000 frequency drives drive the six underground well pumps and make positive that the water delivered to the surface is transferred on to the higher tank. The CP fashions characteristic a PID controller with suggestions that enables the water stage within the tanks and boreholes to be monitored and corrected. This is done by alternating between the different pumps and frequently monitoring the move. If the borehole level falls beneath a minimum predetermined by the person, the PLC management switches to the following the borehole and prevents the pumps from being broken.
The system has varied Delta DVP sequence programmable logic controllers (PLCs). Three DVP04AD PLCs monitor the sensors in boreholes and maintain the water stage above the predetermined value. Five DVP16SP PLCs regulate the motors. One DVP12SE PLC monitors the water degree in the top reservoir and the animal watering stations, while an additional DVP controller manages the sprinkler set up. Two human-machine interfaces (HMI) from the DOP-100 series are used to display all the processes in the system and show system info and warning indicators on a 7 or 15-in contact screen. In-house software program additionally allows the time configuration and power costs to be monitored remotely. Users can also monitor the whole process via the DOP-100 VNC server.
The system is now working with none issues and supplies both livestock and crops with adequate water, even during times of low rainfall.
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