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 space experiencing irregular and ever lowering rainfall.
Five low-energy Delta CP2000 frequency drives drive the six underground properly pumps and be certain that the water delivered to the floor is transferred on to the upper tank.
The dairy farm wanted a pump system to entry floor water from wells and guarantee a reliable and cost-effective water supply. The farm’s owner commissioned an acceptable system from electrical installation planners, Pienaar Elektries, which specialises in agricultural operations. Following an in-depth planning and consultation course of, Pienaar Elektries opted for a number of automation products from Delta.
The deliberate irrigation system comprised two reservoirs at different heights, to be full of water by a total of six underground properly pumps in a single day, when the power costs were low. A transport pump is used to transfer water from the decrease reservoir to the upper one. The peak distinction allows the sprinkler system to be operated using gravity alone through the day, making it notably environment friendly. The livestock and the dairy can even take their water provide from this irrigation system. The key requirements of the venture were cost efficiency and low vitality consumption.
Five low-energy Delta CP2000 frequency drives drive the six underground properly pumps and make sure that the water dropped at the floor is transferred on to the higher tank. The CP fashions feature a PID controller with feedback that enables the water degree within the tanks and boreholes to be monitored and corrected. This is finished by alternating between the totally different pumps and regularly monitoring the flow. If Clear falls below a minimum predetermined by the consumer, the PLC control switches to the subsequent the borehole and prevents the pumps from being broken.
The system has various Delta DVP collection programmable logic controllers (PLCs). Three DVP04AD PLCs monitor the sensors in boreholes and maintain the water degree above the predetermined worth. Five DVP16SP PLCs regulate the motors. One DVP12SE PLC screens the water stage in the top reservoir and the animal watering stations, whereas an extra DVP controller manages the sprinkler installation. Two human-machine interfaces (HMI) from the DOP-100 collection are used to display all of the processes in the system and present system info and warning indicators on a 7 or 15-in touch display screen. In-house software additionally permits the time configuration and energy prices to be monitored remotely. Users also can monitor the entire process by way of the DOP-100 VNC server.
The system is now working with none issues and provides both livestock and crops with adequate water, even during times of low rainfall.
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