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 reducing rainfall.
Five low-energy Delta CP2000 frequency drives drive the six underground well pumps and ensure that the water brought to the surface is transferred on to the upper tank.
The dairy farm needed a pump system to entry ground water from wells and guarantee a dependable and cost-effective water provide. The farm’s owner commissioned a suitable system from electrical installation planners, Pienaar Elektries, which specialises in agricultural operations. Following an in-depth planning and session course of, Pienaar Elektries opted for several automation products from Delta.
The deliberate irrigation system comprised two reservoirs at totally different heights, to be crammed with water by a total of six underground properly pumps in a single day, when the power prices have been low. A transport pump is used to switch water from the lower reservoir to the higher one. The peak difference permits the sprinkler system to be operated utilizing gravity alone through the day, making it notably efficient. The farm animals and the dairy can even take their water supply from this irrigation system. The key necessities of the project have been value effectivity and low energy consumption.
Five low-energy Delta CP2000 frequency drives drive the six underground nicely pumps and ensure that the water delivered to the surface is transferred on to the upper tank. The CP fashions function a PID controller with feedback that allows the water degree within the tanks and boreholes to be monitored and corrected. This is completed by alternating between the completely different pumps and continually monitoring the circulate. If the borehole stage falls below a minimal predetermined by the person, the PLC management switches to the following the borehole and prevents the pumps from being damaged.
The system has varied Delta DVP collection programmable logic controllers (PLCs). Three DVP04AD PLCs monitor the sensors in boreholes and maintain the water level above the predetermined value. Five DVP16SP PLCs regulate the motors. One DVP12SE PLC displays the water stage in the top reservoir and the animal watering stations, whereas an extra DVP controller manages the sprinkler set up. เกจวัดแรง -machine interfaces (HMI) from the DOP-100 collection are used to show all of the processes within the system and present system info and warning indicators on a 7 or 15-in contact display. In-house software additionally allows the time configuration and vitality costs to be monitored remotely. Users can also monitor the complete course of via the DOP-100 VNC server.
The system is now working without any points and supplies both livestock and crops with sufficient water, even in periods of low rainfall.