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.
Five low-energy Delta CP2000 frequency drives drive the six underground well pumps and ensure that the water delivered to the surface is transferred on to the upper tank.
The dairy farm needed a pump system to access ground water from wells and ensure a reliable and cost-effective water supply. The farm’s owner commissioned a suitable system from electrical set up 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 planned irrigation system comprised two reservoirs at completely different heights, to be full of water by a complete of six underground properly pumps in a single day, when the energy costs had been low. A transport pump is used to switch water from the decrease reservoir to the higher one. The height distinction permits the sprinkler system to be operated using gravity alone in the course of the day, making it significantly environment friendly. The cattle and the dairy can even take their water provide from this irrigation system. The key necessities of the venture have been cost effectivity and low energy consumption.
เกจวัดแรงดันถังแก๊ส -energy Delta CP2000 frequency drives drive the six underground nicely pumps and ensure that the water dropped at the surface is transferred on to the upper tank. The CP fashions characteristic a PID controller with suggestions that allows the water degree in the tanks and boreholes to be monitored and corrected. This is finished by alternating between the totally different pumps and continually monitoring the circulate. If the borehole level falls below a minimal predetermined by the person, the PLC management switches to the subsequent the borehole and prevents the pumps from being broken.
The system has varied Delta DVP collection programmable logic controllers (PLCs). Three DVP04AD PLCs monitor the sensors in boreholes and keep the water stage above the predetermined value. Five DVP16SP PLCs regulate the motors. One DVP12SE PLC monitors the water degree within the high reservoir and the animal watering stations, whereas a further DVP controller manages the sprinkler set up. Two human-machine interfaces (HMI) from the DOP-100 sequence are used to show all the processes in the system and show system info and warning indicators on a 7 or 15-in touch display screen. In-house software additionally permits the time configuration and vitality costs to be monitored remotely. Users also can monitor the complete process through the DOP-100 VNC server.
The system is now working without any points and supplies each livestock and crops with adequate water, even during periods of low rainfall.
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