New IEEE Standard – Inactive – Superseded. This guide is intended to complement IEEE Std 125-1988TM, providing application details and addressing the impact of plant and system features upon hydroelectric unit governing performance. It provides guidance for the design and application of hydroelectric turbine governing systems. There is a heightened awareness within the electric utility industry of the importance in the effective application of governing systems for dynamic stability. The need exists to provide guidance in the effective governing system application for a better understanding among users.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | IEEE Guide for the Application of Turbine Governing Systems for Hydroelectric Generating Units <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Introduction Notice to users <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Participants <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | IEEE Guide for the Application of Turbine Governing Systems for Hydroelectric Generating Units 1. Overview 1.1 Scope 1.2 Purpose 2. References <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 3. Definitions 3.1 beta ratio: A measure of the efficiency of a hydraulic oil filter, defined for a specific par… 3.2 damping ratio: This ratio of a second-order closed-loop control system is defined by: 3.3 electrohydraulic governor (sometimes called an electric-hydraulic governor): A turbine govern… <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3.4 governor control system: A feedback control system that controls the speed and power output o… 3.5 islanded operation: Operation of a generating unit that is interconnected with a relatively s… 3.6 isolated operation: Operation of a generating unit without being interconnected with other ge… 3.7 kidney loop filter: A hydraulic oil filtration system in which oil from the system\u2019s sump tan… 3.8 mechanical-hydraulic governor: A turbine governing system that typically uses rotating weight… 3.9 turbine governing system: A control system that controls the operation of a prime mover. The … 4. Functions and characteristics 4.1 Servomotor position feedback <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.2 Servomotor position 4.3 Servomotor time <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 4.4 Cushioning time 4.5 Permanent speed droop and speed regulation <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 4.6 Governor speed deadband 4.7 Blade control deadband 4.8 Governor deadtime <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 4.9 Stability 4.10 Rated speed 4.11 Overspeed 4.12 Underspeed 4.13 Maximum momentary speed variation 4.14 Runaway speed <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 4.15 Rated head 4.16 Steady-state governing speed band 4.17 Steady-state governing load band 4.18 Speed 4.19 Speed reference <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 4.20 Speed deviation 4.21 Power output 4.22 Rated power output 4.23 Maximum power output 4.24 Governor controller <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | 4.25 Stabilizing adjustments <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | 4.26 Water inertia time <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | 4.27 Mechanical inertia time <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | 4.28 Impact upon stability 4.29 Automatic generation control <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | 4.30 Efficiency optimization 5. Elements of the turbine governing system 5.1 Setpoint controller <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | 5.2 Actuator <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | 5.3 Controlled process <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | 5.4 Shutdown control 5.5 System examples 5.6 System modifications 6. Equipment specifications 6.1 Cooperation of manufacturers <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | 6.2 Governor equipment <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | 6.3 Components or auxiliary devices <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | 6.4 Types of turbine governing system installations <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | 7. Performance specifications 7.1 Stability <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | 7.2 Permanent speed droop and speed regulation 7.3 Deadband 7.4 Deadtime 7.5 Range of governor speed changer adjustment 7.6 Manual control <\/td>\n<\/tr>\n | ||||||
| 74<\/td>\n | 7.7 Turbine control servomotor time adjustment <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | 7.8 Governor damping adjustments <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | 8. Information to be provided by the manufacturer 8.1 Information to be provided at the time of submission of proposals 8.2 Drawings 8.3 Operation and maintenance manuals <\/td>\n<\/tr>\n | ||||||
| 78<\/td>\n | 9. Acceptance tests 9.1 Factory acceptance tests 9.2 Field acceptance tests <\/td>\n<\/tr>\n | ||||||
| 84<\/td>\n | 9.3 Performance auditing <\/td>\n<\/tr>\n | ||||||
| 85<\/td>\n | 10. Data to be furnished by the purchaser 10.1 Rated turbine output 10.2 Rated head 10.3 Rated speed 10.4 Rated discharge 10.5 Type of setpoint parameter <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | 10.6 Ambient conditions 10.7 Seismic requirements 10.8 Surge tank dimensions and type 10.9 Water inertia time 10.10 Pressure regulator valve capacity under full head 10.11 Unit mechanical inertia <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | 10.12 Station ac and dc voltages 10.13 Powerhouse drawings showing suggested location of equipment 10.14 Combined servomotor volume, stroke, and timing 10.15 Servomotor design operating pressure <\/td>\n<\/tr>\n | ||||||
| 88<\/td>\n | 10.16 Turbine control servomotor connection sizes 10.17 Servomotor travel direction to close 10.18 Minimum differential pressure required to close 10.19 Gate shaft or deflector shaft direction and angular travel to close 10.20 Required governor capacity 10.21 Turbine control servomotor time: opening and closing 10.22 Results of turbine model tests or index tests <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | 10.23 Switchboard instrument specifications 10.24 Speed switch specifications 10.25 Brake actuating medium 10.26 Interface to purchaser equipment 10.27 Special design considerations 10.28 Required initial adjustments 10.29 Complete prototype turbine data <\/td>\n<\/tr>\n | ||||||
| 90<\/td>\n | Annex A (informative) Bibliography <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | Annex B (informative) Impact of turbine design on governing performance <\/td>\n<\/tr>\n | ||||||
| 96<\/td>\n | Annex C (informative) Examples of turbine governing systems <\/td>\n<\/tr>\n | ||||||
| 99<\/td>\n | Annex D (informative) Experience gained from challenging applications <\/td>\n<\/tr>\n | ||||||
| 104<\/td>\n | Annex E (informative) Governor simulations to demonstrate sensitivity of governor parameters on performance <\/td>\n<\/tr>\n | ||||||
| 112<\/td>\n | Annex F (informative) Tuning of turbine governing systems <\/td>\n<\/tr>\n | ||||||
| 125<\/td>\n | Annex G (informative) Verification of turbine governing system performance <\/td>\n<\/tr>\n | ||||||
| 128<\/td>\n | Annex H (informative) Techniques for evaluating speed control performance of turbine governing systems <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" IEEE Guide for the Application of Turbine Governing Systems for Hydroelectric Generating Units<\/b><\/p>\n |