Course Description

This course is designed to familiarize the participant with the Heat Recovery Steam Generator (HRSG) drum level controls, the valves that may have an impact on steam drum level control, and common troubleshooting techniques for potential problems associated with steam drum level controls.

This course does not cover all details or variations in equipment nor does it provide for every possible contingency the participant may encounter when inspecting, cleaning, or removing parts of steam/water drums.  Please refer to General Electric documentation or Technical Information Letters for further information.  In the even there is a conflict between this course’s content and official General Electric documentation, the official General Electric documentation shall take precedence.  Contact your GE Representative for further information or in response to specific problems not covered here. Please check the Resources and Shared Files section of this course for online technical documents.

This course will make reference to HRSG, Gas and Steam turbine components, systems and subsystems.  The Equipment and Components at your plant may be different than examples in this course.

Duration

1.15 Hours

Target Audience

• Supervisors
• Operators
• Mechanical Maintenance

Prerequisites

• Course material is in English; therefore, a reasonable ability to read and understand English is required.
• The participant should have taken and passed the pre-requisite course ‘HRSG Operations and Maintenance’ as well as the ‘HRSG Drum Level 1: Control Overview – Introduction and have an understanding of the operational fundamentals of gas turbines, steam turbines, and Combined Cycle Power Plants.

Class Size

Remote access.

Learning Objectives

This course will provide basic knowledge on the following:

• Explain the basic operation of the HRSG Steam Drum Level Control System.
• Describe the operation of the IP Steam Admission Pressure Control
• Valve.
• Identify the common problems that may occur in HRSG Steam Drum Level Control Systems.

Course Content

This course is designed to familiarize the participant with the HRSG drum level controls, the valves that may have an impact on steam drum level control, and common troubleshooting techniques for potential problems associated with steam drum level controls.

Lesson

1. Course Introduction
2. Introduction to the HRSG Drum Level Control System
3. Valve Operation Impact on Steam Drum Level Control
4. IP Steam Admission Pressure Control Valve
5. Control System Problems and Troubleshooting