TG307 - Steam Turbine-Generator Controls for Operators

4.5 days - 2.9 Continuing Education Units Awarded

Boundary Dam in Estevan Saskatchewan is just one of many plants where this course has been successfully presented.

Learn (or re-affirm) proper operation of the steam turbine-generator from the perspective of the control room operators. Emphasis is on decision-making regarding safe and effective operation of steam turbine generator equipment: TG Instruments / Controls, Starting and Loading Procedures/Considerations, and those Abnormal Events that occur all too often. Equipment discussed is normally a function of the participants' background. Presentation includes industry events/case studies. This course is intended for Control Room Operators, Shift Supervisors, Operations Superintendents, and Engineers.

TESTIMONIALS:

• This course will be useful for me because I will be moving up to Asst Unit Operator soon.
• Hal Parker is a very knowledgeable and interesting trainer.  I really enjoyed this course. Thanks.
• I have a lot to learn and this course helped to give me a good base of knowledge to build upon.
• Have immediately applied the knowledge gained through attending this class.  Although the class was designed for general power producing process involving various types of turbo/generator sets and controls, there was more than enough information that pertained directly to the ABB turbines and generator employed at SEGS VI & VII.
• This class exceeded my expectations, in almost all areas.
• I found the class to be immensely helpful and informative as it pertains to my job function and responsibilities.  The instructor was enthusiastic, and very helpful with questions and concerns of those participating in the class.  Especially helpful with generator operation and protective systems.  I enjoyed the instructor's effort and abilty to encourage participants to beomce involved with the overall theme of the class, and the exchange of dialogue as to our specific areas of concern.

OBJECTIVES

1. Participants will become familiar with those turbine-generator components susceptible to damage in abnormal or fault like conditions, the type of damage that could occur, and what the operator can (or cannot) do to correct for the situation.
2. Participants will be able to draw a simple block - diagram that describes all the elements of steam turbine controls: speed, load, and pressure control, the generation of a servomechanism signal, feedback and regulation.
3. Participants will be able to draw a simple block-diagram that describes all the elements of a generator voltage regulator including the generation of excitation power, manual control, auto voltage regulation, anti-hunt devices, and limiters.
4. Participants will be describe in detail the process of synchronizing, including discussion on the effects of synchronizing errors.
5. Participants will be able to describe normal steam turbine-generator operating procedures as well as the more routine (using that word loosely) abnormal events.

COURSE OUTLINE
Monday

• Steam Turbine Fundamental Review: Theory, Turbine Sections and Component Descriptions
• Turbine Systems: Lubricating Oil Systems, Gland Steam and Water Seal Systems and Hydraulic Power Unit (where applicable).  Emphasis is on abnormal operations as opposed to being a "system description"

Tuesday

• TSI Interpretations: Eccentricity (Overview, Component Description, Use of Instrument and Data Interpretation), Speed Detection, Valve Position, Vibration (including discussion of causes within a steam turbine), Shell Expansion, Differential Expansion, Metal Temperatures
• Turbine Controls for the Operators: Speed Control, Load Control, Limiters, Flow Control, Extraction Turbines, Overspeed and Reset System, Overspeed Trip

Wednesday

• Turbine Operations: Thermal Stress, Starting and Loading, Drains, Pre-warming Procedures, Normal Operations.
• Abnormal Conditions: Oil Whip, Packing Rubs, Mechanical Unbalance, Cracked Rotors, Water Induction, Low Speed Operation, Low Frequency Operation, High Exhaust Hood Temperatures, Vacuum Breaking, Over Pressure, Over Temperature, Feedwater Heater Removal
• Periodic Tests

Thursday

• Generator Fundamentals: Principles of a Simple Generator, Principles of Large Generators, Generator Regulation, Active and Reactive Power, Operation of Paralleled Generators, Power Angle Relation and Instability
• Generator Construction: Stator Assembly, Rotor Assembly, and Exciters
• Generator Support Systems: Shaft Sealing System, Hydrogen Control, and Stator Cooling Systems
• Excitation Systems: Introduction to Voltage Regulators, Transient Response of a Voltage Regulator, Stabilizing Circuits

Friday

• Generator Operations: Prior to Startup, Startup, Shutdown, Power Factor Adjustment, Operation of Gas Coolers, Abnormal Operations, Relationship Between Operation, Protection and Alarms, Alarms, Protection when Generator is Off-Line, Tripping Methods, Protective Actions for Generator

Satisfied Clients: A/C Power, AES, Alberta Power, ALCAN Aluminum, Arizona PSC, Baltimore Gas & Electric, Boise Cascade Paper, Calpine Gilroy Cogeneration, Cardinal Cogen of Canada, Carolina Power & Light, Central Illinois Light Company, Central Maine Power, Cinergy, Cogentrix, Colorado Springs Utilities, Commonwealth Edison, Consumers Energy, Crawfordsville Electric Light & Power, Crestbrook Forest Industries, Daishowa-Marubeni, Delmarva P&L, Detroit Edison, Duqeusne Light, Edmonton Power, Entergy, Florida Power & Light, Georgia Power, GPU/Genco, Gulf States Paper, Inland Steel, Intermountain Power, International Paper, Kansas City BPU, KJC Operations Company, LGE Power Systems, Louisville Gas & Electric, Lakeland Electric Department, Metropolitan Edison, MidAmerican Energy, New York Power Authority, New York State Electric & Gas, Northland Power, Ocean State Power, Ogden Martin Systems, Omaha Public Power District, Ontario Hydro, PG&E, Pennsylvania Power & Light, PS New Mexico, Rochester (MN) Public Utilities, Salt River Project, SaskPower, Southeast Public Service Authority, Southern Indiana Gas & Electric, Tallahassee Electric Department, TransCanada Power, Triconex, United Power Association, UtiliCorp, Virginia Power, Western Resources, Weyerhaeuser Canada, Wheelabrator Environmental Systems.

About the Instructor(s): This course is instructed by equipment experienced engineers who have worked on the equipment and have instructed this course material to a significant number of OEM engineers, operators, mechanics, technicians, supervisors, and management. They all agree. This course is worth your time.