Please use this identifier to cite or link to this item: http://localhost:80/xmlui/handle/123456789/2037
Title: Efficiency and Cost Analysis of Power Sources in Impressed CurrentCathodic Protection System for Corrosion Prevention in Buried Pipelinesof Balochistan, Pakistan
Authors: Khan, Muhammad Saddam
Kakar, Faizullah Khan
Khan, Surat
Athar, Syed Owais
Keywords: Natural Science
Efficiency and Cost Analysis
Corrosion
solar system
impressed current cathodic protection
Issue Date: 1-Jan-2018
Publisher: IOP Conference Series: Materials Science and Engineering
Abstract: Corrosion is the physical deterioration of metals, including buried metal structures and gas pipelines, resulting from chemical reactions between metals and the surrounding environment. Cathodic protection of these underground metalstructures & pipelines can be achieved either bytheImpressedCurrent method or by the sacrificial anodes method. This research paper focuses on the corrosion prevention of buried metal structures in general and gas pipelines in particular, by the novel method of Impressed Current Cathodic Protection (ICCP) which uses electrical current froman external DC power source for its operation. Three major DC power sources i.e. Transformer Rectifier, Thermoelectric Generator and the Solar System are selected for this purpose and are projected over a period of time in a pre-designed ICCP for high transmission underground gas pipelinein Balochistan province of Pakistan.The efficiencies of these three power sources are then analysedand compared according to the climate effects, the versatility effects, the intensity of power output, their operational limitations andtheir initial, running and maintenance costs. The measured results will aid the selection of efficient and robust DC power source for ICCP design and will contribute tomitigating and controlling the corrosion rate in underground pipelines. Based onanalysis of the measured results for the three available DC sources, the Solar System was found as the most efficient DC power source for Impressed Current Cathodic Protection of buried gas pipelines. The selection of efficient corrosion protection system will result in a smooth flow of oil and gas products through these buried pipelines which may otherwise leadto huge monetaryand accidental losses when get corroded.
URI: http://142.54.178.187:9060/xmlui/handle/123456789/2037
ISSN: 414 012034
Appears in Collections:Journals

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