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Take control of cathodic protection

21 Sep 2015

New electronic power supply provides cost effective accuracy

Power quality specialist REO UK has launched the REOTRON SMP-CP, a range of transformer-rectifier power supplies designed specifically for impressed current cathodic protection (ICCP) applications. Using the latest in primary switch mode technology, the SMP-CP provides an economical and reliable solution to remote cathodic monitoring and control.

Traditionally, the maintenance of ICCP systems relies on engineers frequently performing extensive field surveys on systems to assure everything is working correctly. This factor alone can generate high costs for businesses, excluding any servicing that may be necessary.

Offering a cost-effective alternative to survey costs, the SMP-CP range allows accurate measurement of ICCP applications and is controllable from true zero to maximum voltage or current. Internal regulation electronics ensure a steady output and units are configured to return to their programmed operation after any power interruption.

“The controllability of voltage prevents over-protection of installations, which in turn lowers the risk of surface bubbling and corrosion caused by gas formation,” said Steve Hughes, managing director of REO UK. “The use of the integral keypad, external potentiometers, or even industrial Fieldbus interfaces makes controlling the voltage easy.”

Compatibility with Fieldbus interfaces allows SMP-CP to integrate easily with SCADA-based systems, while also being suitable for retro-fitting in older systems to provide remote monitoring to existing installations.

“Industry 4.0 produces a new dilemma for businesses, in that there is an increased pressure for transparency of intelligence, requiring additional accuracy and control,” continued Hughes. “With control accuracy of 1%, the REOTRON SMP-CP is our solution to that dilemma.”

ICCP is widely used in many industries to protect iron and steel structures from corrosion. An electrical current is produced from a system and is passed through to the metal to suppress electrochemical activity, slowing the rate of corrosion and extending the lifespan of structures.

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