impressed current


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impressed current

[im¦prest ′kər·ənt]
(electricity)
Direct current supplied by an external power source in a cathodic protection installation.
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References in periodicals archive ?
The SPL-SandAnode is one of MATCOR's SPL[TM] Anode Series, a complete line of flexible impressed current linear anodes utilizing MMO anode technology to support a broad range of cathodic protection applications.
Buried pipelines are normally physically protected from the environment by a coating, in conjunction with cathodic protection (CP) by way of an impressed current (1).
Used improperly, an impressed current can promote corrosion.
Cathodic protection (CP) using impressed current is an accepted and common method to provide corrosion protection to steel in concrete.
The two methods of cathodic protection are the sacrificial anode and impressed current methods.
Often the metal is protected against corrosion by the use of a sacrificial anode, impressed current, or a combination of the two.
Applications include zinc and aluminum anodes for sacrificial and impressed current cathodic protection of reinforced concrete structures, as well as the application of metalized coatings of zinc and aluminum alloys for corrosion protection of steel exposed to marine, industrial and high temperature environments.
Tenders are invited for Design, Supply, Installation, Testing and Commissioning of New Impressed Current Cathodic Protection System for 750 mm dia MS WM from Hanuman Hotel Kanjurmarg East to Tagor Nagar, Vikhroli (E) in S Ward under AE WW (Corrosion Control) .
Clay Brelsford, president of Bass Engineering, has over 34 years of experience designing, installing, supervising and maintaining galvanic and impressed current CP systems.
Two months ago in the UAE, Structural completed the installation of the Middle East's largest impressed current cathodic protection (ICCP) system in the raft slab and retaining walls of a major basement structure covering thousands of square metres.
However, metallised zinc cathodic protection systems can be, and are in many instances, operated in impressed current mode.
Applications include zinc and aluminum anodes for sacrificial cathodic protection of steel and reinforced concrete structures, as well as the application of titanium anodes for impressed current systems.