As a preferred supplier to the agricultural industry due to proven reliability and performance, Varispeed designs, manufactures and distributes constant pressure solutions. With a good knowledge of the industry, it has insight into the system challenges and their unique requirements.
Agricultural irrigation systems require precise pressure control in the distribution of water systems to ensure constant pressure; this constant pressure also ensures energy savings. Varispeed’s irrigation solutions are specifically designed to protect electrical motors, pumps and piping systems from damage, overloads or pressure surges, all whilst keeping the need for constant pressure, system reliability and energy efficiency top-of-mind.
How it works
Three 55 kW 400 VAC dual VSD modernised pressure control panels are used to control six pumps that pump water from the river into two holding dams. The system on the first dam distributes water onwards via eight single VSD panels which in turn control eight pumps, pumping the water out to irrigations blocks at 6-13 bar water pressure, user selectable based on the farmer’s requirements.
Pumping water from the second dam are eight Dual 55 kW 400 VAC VSD panels that control sixteen pumps. The system distributes water into irrigation blocks at 5-16 bar. This configuration is made up of eight sets of two pumps in series that incorporate Varispeed’s simple and reliable suction and pressure control software solution, embedded directly into the VSDs thus eliminating the need for costly additional controllers.
Modernised software for a modern problem
Varispeed was approached to provide a reliable irrigation pumping scheme that supplies constant water pressure to grow table grapes. Based on this brief, it was able to produce a system that exceeded all the reliability and performance expectations.
“Our team was able to offer the customer a complete engineered solution that exceeded the performance and reliability requirements they required,” concluded Varispeed managing director, Ralph Real.
More movement on the market
Motion Control & Drives
If you want to move something, you have to be able to control the movement. When positioning in the nanometre range everything matters and requires high performance motion control. Six years ago, Aerotech therefore set itself the goal of revolutionising the market for precision motion and machine control systems.
Read more...Highly customisable robotic hand
Motion Control & Drives
NSK and the German Aerospace Centre are developing a robotic hand system that will help automate manual tasks. The concept centres on a customisable robot hand comprising individually configurable finger modules, an industry first.
Read more...Electrically-operated diaphragm pumping solutions Bearing Man Group t/a BMG
Motion Control & Drives
BMG has extended its range of Ingersoll Rand ARO fluid handling products to include the new EVO series electric diaphragm pumps, designed to enhance energy efficiency and improve fluid handling productivity.
Read more...Grease degradation diagnosis technology
Motion Control & Drives
NSK is developing a world-first: a high-accuracy way of rapidly and accurately diagnosing the remaining life of lubricant grease. The company will provide the solution as a mobile app, enabling users to perform the onsite analysis of lubricant condition in bearings and linear motion systems.
Read more...New compact VFDs with higher power ratings
Motion Control & Drives
Invertek Drives has revealed the extension of its industry-leading Optidrive Coolvert variable frequency drive with the launch of two new compact frame sizes with higher power ratings.
Read more...Revolutionising manufacturing: the impact of machine learning in robotics
Motion Control & Drives
The integration of machine learning (ML) into robotics has the potential to revolutionise many industries, in particular the manufacturing sector. Yaskawa South Africa is at the forefront of embracing this transformative technology to optimise innovation and propel the manufacturing industry forward.
Read more...Chain hoist friction clutch tester WIKA Instruments
Motion Control & Drives
WIKA’s FRKPS chain hoist test set is a reliable and efficient way to test the friction clutch on your chain hoist.
Read more...Why artificial intelligence matters in robotic technology
Motion Control & Drives
Andrew Crackett, managing director of Yaskawa Southern Africa, gives his insight into the role of AI in robotics technology, with its advantages and challenges, and makes predictions for the future.
printer friendly version