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CATHODIC PROTECTION FOR UNDERGROUND PIPING IN POWER PLANTS

机译：电厂地下管道的阴极保护

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摘要

Cathodic protection systems are often used to protect critical underground piping systems. This paper discusses the various anode systems used for power plant underground piping applications. It is intended for engineers responsible for the underground piping systems for new power plant design - this could include owner's engineers, EPCs, and construction contractors responsible for these systems. The paper begins with an overview of cathodic protection and when it is needed. The paper provides an overview of how cathodic protection works and discusses key piping issues that impact the design and operation of the system. After providing a framework for establishing the need for cathodic protection, this paper provides detailed comparisons of the various available types of anode systems. Each anode system is described in detail and then the advantages and disadvantages of each system are examined. The first anode system discussed is the galvanic distributed bed system. This is followed by three impressed current anode systems; linear anodes, distributed bed, and deep well systems. The paper concludes with a summary of each of these systems. An appendix is included which provides typical design calculations for galvanic, linear and deep well systems.
机译：阴极保护系统通常用于保护关键地下管道系统。本文讨论了用于电厂地下管道应用的各种阳极系统。它适用于负责新电厂设计的地下管道系统的工程师 - 这可能包括所有者的工程师，EPC和负责这些系统的建筑承包商。本文首先概述了阴极保护，何时需要。本文概述了阴极保护如何运作，并讨论影响系统的设计和操作的关键管道问题。提供框架以建立对阴极保护的需要，提供各种可用类型的阳极系统的详细比较。每个阳极系统详细描述，然后检查每个系统的优点和缺点。讨论的第一阳极系统是电镀分布式床系统。这是三个令人印象深刻的电流阳极系统;线性阳极，分布床和深井系统。本文总结了这些系统的总结。包括附录，为电流，线性和深井系统提供典型的设计计算。

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