Course Description

This course will familiarize the participant with the more common currently installed exhaust gas thermocouples and recommended practices for proper inspection, testing, removal, and installation, to help prevent exhaust gas thermocouple failure, thus reducing the number of gas turbine trips.

Also, will recapitulate several old-style exhaust gas thermocouples that may still be in use, and will also introduce the participant to the new and improved exhaust gas thermocouples.  He will learn about the features and advantages of the currently recommended exhaust gas thermocouples.  In addition, he will learn how to perform routine inspections and tests prior to thermocouple installation to ensure optimal turbine performance.  This course will also provide recommendations for improving the overall exhaust gas thermocouple replacement process.  Finally, the participant will identify the safety measures to consider while replacing older style exhaust gas thermocouples.

Duration

1.25 Hours

Target Audience

• Supervisors
• Mechanical Maintenance
• Instrumentation & Control

Prerequisites

• Course material is in English; therefore, a reasonable ability to read and understand English is required.
• The participant should have a basic understanding of the operational fundamentals of a gas turbine and an intimate familiarity with all the safety regulations and guidelines.

Class Size

Remote access.

Learning Objectives

This course will provide basic knowledge on the following:

• Define the functional role of an exhaust gas thermocouple in gas turbine operations.
• Identify the steps involved in the various inspection tests performed on an exhaust gas thermocouple.
• Identify the steps involved in the removal of an exhaust gas thermocouple from the turbine.
• Identify the steps involved in the installation of an exhaust gas thermocouple.
• Identify the safety guidelines to be followed during the exhaust gas thermocouple installation process.

Course Content

In this course, the participant will be introduced to the recommended practices for the inspection, testing, removal, and installation of the most common currently installed exhaust gas thermocouples.  These recommended practices are designed to help prevent exhaust gas thermocouple failure, which could ultimately lead to a gas turbine trip.

A brief discussion will be provided on the various older style exhaust gas thermocouples that may still be in service in order to show recommendations for future replacements.

Lesson

1. Course Introduction
2. System Overview
3. Inspection and Testing
4. Removal of Thermocouples (Recommended Methods)
5. Appropriate Procedures: Installation
6. Safety Guidelines