- IEC 62270/IEEE Std 1249-2013 [Go to Page]
- Title page
- CONTENTS
- IEEE Notice to users [Go to Page]
- Laws and regulations
- Copyrights
- Updating of IEEE documents
- Errata
- Patents
- IEEE Introduction
- FOREWORD
- 1 Overview [Go to Page]
- 1.1 Scope
- 1.2 Purpose
- 2 Terms and definitions
- 3 System architecture [Go to Page]
- 3.1 General
- 3.2 Process control system configurations [Go to Page]
- 3.2.1 Basic configuration
- 3.2.2 Control system configuration alternatives
- 3.3 System architecture characteristics [Go to Page]
- 3.3.1 General
- 3.3.2 Hierarchy
- 3.3.3 Control locations and levels
- 3.3.4 Interface between the control system and the controlled process
- 3.4 Local individual control
- 3.5 Local control
- 3.6 Central (remote) control
- 3.7 Off-site control
- 4 Control Functions [Go to Page]
- 4.1 Local control functions [Go to Page]
- 4.1.1 Start/stop sequencing
- 4.1.2 Synchronizing
- 4.1.3 Synchronous condenser mode
- 4.1.4 Pumped storage control
- 4.1.5 Turbine operation optimization
- 4.1.6 Trashrack control
- 4.1.7 Environmental control
- 4.1.8 Black start control
- 4.2 Centralized control functions [Go to Page]
- 4.2.1 Control of individual units
- 4.2.2 Switchyard, spillway, and station service control
- 4.2.3 Plant active power (MW) control
- 4.2.4 Plant reactive power (Mvar) control
- 4.2.5 Water and power optimization
- 4.2.6 Water bypass control
- 4.3 Offsite control functions [Go to Page]
- 4.3.1 Control of individual generator sets and selection of centralized control functions
- 4.3.2 Switchyard, spillway, and station service control
- 4.3.3 Automatic generation control (AGC)
- 4.3.4 Automatic voltage control (AVC)
- 4.3.5 Remedial action schemes (RAS)
- 4.4 Typical control parameters
- 4.5 Interfaces to other computerized systems [Go to Page]
- 4.5.1 Fire detection data
- 4.5.2 Plant security system
- 4.5.3 Maintenance management system
- 4.5.4 Plant conditioning monitoring
- 5 Data acquisition and processing [Go to Page]
- 5.1 Data integrity
- 5.2 Data acquisition capabilities
- 5.3 Analog
- 5.4 Discrete [Go to Page]
- 5.4.1 Status points
- 5.4.2 Event points
- 5.4.3 Calculated points
- 5.4.4 Postmortem points
- 5.5 Alarm processing and diagnostics
- 5.6 Report generation
- 5.7 Data archival and retrieval [Go to Page]
- 5.7.1 Operation scheduling and forecasting
- 5.7.2 Data access and security
- 5.7.3 Operator simulation training
- 6 Communications and data bases [Go to Page]
- 6.1 Overview
- 6.2 Communications [Go to Page]
- 6.2.1 General
- 6.2.2 Open system standards
- 6.2.3 Digital communication systems at the field level
- 6.2.4 Hydroelectric plant automation classification
- 6.2.5 Networking and communication considerations
- 6.2.6 Data communication functions
- 6.2.7 Control data communication requirements
- 6.3 Control data networks [Go to Page]
- 6.3.1 General
- 6.3.2 Local area network (LAN) topologies
- 6.3.3 Physical transmission mode
- 6.4 Data bases and software configuration [Go to Page]
- 6.4.1 Open systems and data bases
- 6.4.2 Real-time vs. nonreal-time database designs
- 6.4.3 Software configuration
- 7 User and plant interfaces [Go to Page]
- 7.1 User interfaces [Go to Page]
- 7.1.1 Input devices
- 7.1.2 Output devices
- 7.2 Plant equipment interfaces [Go to Page]
- 7.2.1 Types
- 7.2.2 Sources
- 7.2.3 Input/output protection
- 7.2.4 Collection process
- 7.3 Security considerations
- 7.4 Ergonomic and maintenance considerations
- 7.5 User interface considerations
- 8 System performance [Go to Page]
- 8.1 General
- 8.2 Software
- 8.3 Hardware [Go to Page]
- 8.3.1 Input/output (I/O) subsystem
- 8.3.2 Control processing subsystems
- 8.4 Communications
- 8.5 Maintenance performance
- 8.6 Measuring performance [Go to Page]
- 8.6.1 Functionality
- 8.6.2 Real time ability
- 8.6.3 Availability
- 8.6.4 System initialization and fail-over times
- 9 System backup capabilities [Go to Page]
- 9.1 General
- 9.2 Design principles
- 9.3 Basic functions
- 9.4 Design of equipment for backup control [Go to Page]
- 9.4.1 Turbine/generator units
- 9.4.2 Circuit breakers and isolating switches (local control)
- 9.4.3 Governor and excitation systems (local control)
- 9.4.4 Spillways and intake gate/turbine isolation (shutoff) valve
- 9.5 Alarm handling
- 9.6 Protective function
- 10 Site integration and support systems [Go to Page]
- 10.1 Overview
- 10.2 Interface to other equipment
- 10.3 Environmental considerations
- 10.4 Power source
- 10.5 Supervision of contact status points
- 10.6 Supervision of transducers
- 10.7 Supervision of IED or field bus devices
- 10.8 Control output points
- 10.9 Grounding
- 10.10 Static control
- 11 Recommended test and acceptance criteria [Go to Page]
- 11.1 Overview
- 11.2 Specific test requirements [Go to Page]
- 11.2.1 Factory acceptance test
- 11.2.2 Field test
- 11.3 Quality assurance
- 11.4 Acceptance
- 12 System management [Go to Page]
- 12.1 Maintenance
- 12.2 Training [Go to Page]
- 12.2.1 Training plan
- 12.2.2 Courses
- 12.3 Documentation [Go to Page]
- 12.3.1 Design documentation
- 12.3.2 System support documentation
- 12.4 Archive
- Annex A (informative) Bibliography
- Annex B (informative) Legacy control systems
- Annex C (informative) IEEE list of participants
- Figures [Go to Page]
- Figure 1 – Generic control system configuration
- Figure 2 – System with dedicated unit control processors
- Figure 3 – Relationship of local, centralized and off-site control
- Figure 4 – Typical functions ( Unit local control board
- Figure 5 – Multi-point data link versus LANs
- Figure 6 – Star topology
- Figure 7 – Ring topology
- Figure 8 – Bus topology
- Tables [Go to Page]
- Table 1 – Summary of control hierarchy for hydroelectric power plants
- Table 2 – Typical parameters necessary to implement automated control
- Table 3 – Classifications of hydroelectric power plant computer control systems
- Table 4 – Hydroelectric computer control systems data communications attributes
- Table 5 – Cable media characteristics [Go to Page]