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Electrical Design Cathodic Protection Part I: Basic Concepts and Fundamentals

Bijan Ghayour, PE

This 12-hour course provides detailed information on the basic concepts and fundamentals of the cathodic protection systems, including an understanding of the cathodic protection concepts, cathodic protection system design principals, differences between impressed current and sacrificial anode systems, corrosivity of soils on steel based materials, and provides guidelines and examples for designing cathodic protection systems for underground and above ground structures.

Cathodic protection is an electromechanical method used to prevent or control corrosion of buried or submerged metallic structures. Cathodic protection systems are active systems that rely on the application of electric current to control corrosion. If current is interrupted, corrosion will progress at a normal rate for the material/environment combination; if supplied current is inadequate for complete protection, corrosion will progress at a reduced rate. After a cathodic protection system is installed and adjusted to provide adequate protection, current and potentials should remain relatively stable; changes in currents or potentials indicate the presence of a problem.

This course offers recommendations and practical guidelines for understanding the fundamentals, and basic concepts; and for the proper and economical design of cathodic protection systems for variety of applications.

Part II of this course, covered in PDH course number E-223, provides detailed information on the installation and construction practices, system checkout and initial adjustments, maintenance of cathodic protection systems, and economic analysis.

The course materials are based entirely on the military handbook MIL-HDBK-1004/10 of Department of the Army: Electrical Engineering - Cathodic Protection.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of course materials.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.