Power Generation Training

Turbines

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Turbines Courses

Power Plant Generation Training

Duration: 0.25 Hrs

Course Level: Intermediate
Languages: English, Portuguese, French, Polish, Russian
Capability: Audio, Video, MobileReady

The steam turbine generators used today produce approximately 85% of the electricity in the United States. In a typical turbine, steam flows in at a speed near 100 miles per hour and at temperatures from 400 to 950 degrees Fahrenheit. This course describes the differences between an Impulse and Reaction turbine, why steam turbines are multi-staged, the different types of turbine blade compounding arrangements, or stages and how they relate to turbine efficiency.

Learning Objectives

By the end of this course, you will be able to:

  • Identify and describe safety hazards associated with the operation of steam turbines
  • Describe the theory of operation of turbines
  • Identify the major components of a multi-stage steam turbine
  • Describe the design of steam turbines
  • Explain why steam turbines are multi-staged
  • Identify and describe the different stages of a multi- stage steam turbine

Duration: 0.25 Hrs

Course Level: Intermediate
Languages: English, Portuguese
Capability: Audio, Video

The steam turbine generators used today produce approximately 85% of the electricity in the United States. In a typical turbine, steam flows in at a speed near 100 miles per hour and at temperatures from 400 to 950 degrees Fahrenheit. This course describes the differences between Impulse and Reaction turbines, how steam turbines are classified, and some typical operational issues associated with steam turbines.

Learning Objectives

By the end of this course, you will be able to:

  • Identify and describe safety hazards associated with the operation of steam turbines
  • State the theory behind steam turbine operation
  • Identify and describe the major components of a steam turbine
  • Identify and describe the primary process flows
  • Differentiate between the two types of steam turbine designs
  • Differentiate between the different classifications of steam turbines
  • Explain how steam turbines are lubricated
  • Explain how a steam turbine’s speed and pressure is regulated
  • List the different types of steam turbine protective devices
  • Describe typical operational issues associated with steam turbines

Duration: 0.25 Hrs

Course Level: Intermediate
Languages: English, Portuguese, French, Polish, Russian
Capability: Audio, Video

The steam turbine generators used today produce approximately 85% of the electricity in the United States. The primary supply of electrical energy is made in three-phase synchronous generators with power ratings up to 1,500 megawatts or more. This course discusses the basics of a turbine generator including safety, terminology, design, operation, and the functions of generator protective devices.

Learning Objectives

By the end of this course, you will be able to:

  • Identify and describe safety hazards associated with the operation of a generator
  • Define the terms, “current,” “voltage,” “resistance,” and “frequency”
  • State the goal of a generator
  • Identify the major components of a generator
  • Describe design of a generator
  • Describe basic generator operation
  • Describe the function of generator protective devices

Duration: 1.00 Hrs

Course Level: Intermediate
Languages: English
Capability: Audio, Video, MobileReady

This course explain how a typical turbine is designed to convert energy to work and how turbine efficiency is affected by problems with internal turbine components. After completing this course, participants should have an understanding of how internal components, particularly the turbine blades, affect turbine efficiency and heat rate. They should also be able to identify ways to recognize and correct efficiency problems associated with a turbine.

Learning Objectives

By the end of this course, you will be able to:

  • Explain how the blades of a typical turbine are shaped to convert energy to work.
  • Describe how steam conditions at the inlet to the turbine affect turbine efficiency. Internal Efficiency Losses, Part 1
  • Explain how chemical deposits on internal turbine components affect turbine efficiency and unit heat rate.
  • Explain how solid particle erosion of internal turbine components affects turbine efficiency and unit heat rate.
  • Identify ways to minimize chemical deposits and solid particle erosion. Internal Efficiency Losses, Part 2
  • Explain how problems with the spill strip packing and packing rings can affect turbine efficiency and unit heat rate
  • Explain how problems with the seals between the casing and the rotor can affect turbine efficiency and unit heat rate.

Duration: 1.00 Hrs

Course Level: Intermediate
Languages: English
Capability: Audio, Video, MobileReady

This course examines some of the conditions that can cause operating parameters to change and some of the effects of those changes. After completing this course, participants should be able to explain why it is important to operate a turbine as close to its design parameter values as possible, and describe how changes in certain parameters affect efficiency, heat rate, and fuel consumption.

Learning Objectives

By the end of this course, you will be able to:

  • Describe how efficiency losses can be minimized during a turbine startup or shutdown
  • Explain how turbine ramp rates are related to efficiency
  • Identify auxiliary systems that can have an effect on the efficient startup or shutdown of a turbine. Effects of Parameter Changes, Part 1
  • Describe how changes in main steam temperature affect turbine efficiency and unit heat rate
  • Describe how changes in hot reheat steam temperature affect turbine efficiency and unit heat rate. Effects of Parameter Changes, Part 2
  • Describe how changes in main steam pressure affect turbine efficiency and unit heat rate
  • Describe how changes in turbine backpressure affect turbine efficiency and unit heat rate.

Duration: 1.00 Hrs

Course Level: Intermediate
Languages: English
Capability: Audio, Video, MobileReady

This course is designed to explain how turbine efficiency and unit heat rate are affected by the use of attemperation, by the positioning of the turbine control valves, and by changes in extraction steam flows. After completing this course, participants should be able to explain why superheat and reheat attemperation cause heat rate to increase, and describe ways to prevent frictional losses in the turbine control valves. They should also be able to describe how heat rate is affected by changes in extraction steam flows.

Learning Objectives

By the end of this course, you will be able to:

  • Describe how turbine efficiency and heat rate are affected by the use of superheat attemperators.
  • Describe how turbine efficiency and heat rate are affected by the use of reheat attemperators. Turbine Control Valves
  • Describe how the positions of the turbine control valves affect turbine efficiency and heat rate.
  • Describe how frictional losses in turbine control valves can be minimized by shifting load between different operating units.
  • Describe how frictional losses in turbine control valves can be minimized by varying main steam pressure. Extraction Steam Flows
  • Describe how heat rate is affected by changes in the flow of extraction steam to the feedwater heaters.
  • Describe how heat rate is affected by changes in the flow of extraction steam to auxiliary systems.

Duration: 1.00 Hrs

Course Level: Intermediate
Languages: English
Capability: Audio, Video, MobileReady

This course introduces the fundamental aspects of heat transfer and relates that information to component and plant efficiency. After completing the course, participants should be able to explain how heat transfer occurs and identify factors that affect heat transfer. They should also be able to explain how changes in operating conditions affect the factors associated with heat transfer.

Learning Objectives

By the end of this course, you will be able to:

  • Define the term “heat transfer.”
  • Identify the three forms of heat transfer.
  • Identify factors that affect conduction heat transfer, that affect convection heat transfer, and that affect radiation heat transfer. Determining Heat Transfer Rate
  • Describe the two formulas that can be used to determine the rate of heat transfer when the process involves a change in temperature.
  • Describe the formula used to determine the rate of heat transfer when there is no change in temperature during the process, only a change in enthalpy. Determining the Effect of Heat Transfer Problems
  • Determine the rate of heat transfer for a typical economizer.
  • Describe how changes in the condition of an economizer can affect the rate of heat transfer and plant efficiency.
  • Determine the rate of heat transfer for a typical condenser.
  • Describe how changes in the condition of a condenser can affect the rate of heat transfer and plant efficiency.

Duration: 2.00 Hrs

Course Level: Intermediate
Languages: English
Capability: Audio, Video, MobileReady

This course is designed to familiarize participants with basic principles associated with turbine shaft bearing lubrication, turbine speed control, and turbine operation. After completing this course, participants should be able to identify and describe the functions of the components of a typical turbine lube oil system. They should also be able to describe the basic components and operation of a typical turbine speed control system. In addition, participants should be able to describe operator responsibilities associated with turbine startup, operation, and shutdown.

Learning Objectives

By the end of this course, you will be able to:

  • State the functions of the following basic components typically found in a turbine lube oil system: reservoir, main lube oil pump, booster pump, and lube oil coolers.
  • State the functions of the following additional components typically found in a turbine lube oil system: alternating current (AC) auxiliary pump, direct current (DC) emergency pump, AC turning gear pump, and vapor extractor.
  • Explain why it is important to make sure that the controllers for the standby oil pumps are in the standby or automatic positions.
  • Describe a situation in which an increase in bearing oil temperature could indicate a problem.
  • Describe a situation in which an increase in bearing oil temperature is considered normal.
  • Identify two major systems commonly used to control turbine speed.
  • Describe the basic components of a turbine speed control system.
  • Describe how turbine speed is controlled by a mechanical-hydraulic control system with a flyweight governor.
  • Describe what happens when a turbine trip occurs.
  • Explain why the warm-up period is important.
  • Explain why it is important to prevent water buildup and describe how this is done.
  • Describe the steps involved in a typical shutdown procedure.

Duration: 2.00 Hrs

Course Level: Intermediate
Languages: English
Capability: Audio, Video, MobileReady

This course is designed to familiarize participants with basic principles associated with the construction and operation of steam turbines. After completing this course, participants should be able to state the functions of the main parts of a typical turbine and describe how steam causes impulse blades and reaction blades to turn a turbine’s wheels. They should also be able to describe the purpose and operation of a gland steam seal system, a gland steam seal exhaust system, a carbon seal, and a water seal.

Learning Objectives

By the end of this course, you will be able to:

  • State the functions of the following turbine parts: wheels, blades, diaphragms, steam chest, nozzle block, and rotor.
  • State the functions of stop valves and control valves.
  • Describe how steam causes impulse blades to turn a turbine’s wheels.
  • Describe how steam causes reaction blades to turn a turbine’s wheels.
  • State the functions of reheat stop valves and intercept valves.
  • Define a turbine trip and describe how it protects a turbine.
  • Describe the purpose for and operation of a gland steam seal system.
  • Describe the purpose for and operation of a gland steam seal exhaust system.
  • Describe the operation of a carbon seal.
  • Describe the operation of a water seal.
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