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According to the requirements of Notice of the National Energy Administration on issuing the Plan 2014 for development (revision) of the first batch of professional standards in energy sector (GUONENGKEJI [2014] No.298), the standard drafting group revised the previous professional standard DL/T 5003-2005 Specifications for the design of dispatch automation in electric power systems through extensively investigating, seriously summing up design experience on the dispatch automation in power system and on the basis of widely soliciting for opinions. This standard is renamed as Code for design of dispatch automation in power system.
The main technical contents of this standard include: general provisions, terms and abbreviation, general architecture and requirements, dispatching center automation system, station automation system, information transmission and interaction, infrastructural facilities and auxiliary system. Annex A specifies the functions of dispatching center automation system, and Annex B gives the dispatching automation information of station automation system.
The main revisions are as follows:
1. The boundary and connotation of dispatching automation system are expanded based on the technical development of dispatching automation system and the actual needs of current power system operation management institutions;
2. Contents related to the general architecture, functional requirements, renewable energy stations, etc., are added;
3. Several clauses are added, including "Terms and abbreviations", "General architecture and requirements" and "Information transmission and interaction";
4. Modifications are made to clauses "General provisions", "Dispatching center automation system" and "Station automation system;
5. Clause 6 "Automatic generation control" in the former version are deleted;
6. Clause 7 "Computer room and others" is renamed as "Infrastructure and auxiliary systems".
This standard replaces DL/T 5003-2005 Specifications for the design of dispatch automation in electric power systems from the implementation date hereof.
This standard was proposed by China Electric Power Planning & Engineering Institute. The National Energy Administration is in charge of the administration of this standard; the Technical Committee for Standardization of Power System Planning and Design in Energy Industry is in charge of routine management, and the Central Southern China Electric Power Design Institute Co., Ltd. of China Power Engineering Consulting Group. In case of any comment or suggestion during the process of implementing this standard, please send it to the China Electric Power Planning & Engineering Institute (Address: No.65, Ande Road, Xicheng District, Beijing,100120).
Code for design of dispatch automation in power system
1 General provisions
1.0.1 This standard is developed with a view of standardizing and unifying the design standard of dispatching automation system and better guiding the construction of dispatching automation system.
1.0.2 This standard is applicable to the planning, feasibility study and engineering design of dispatching automation system in power system at or above provincial level, the engineering design of power dispatching (regulating) center at or above provincial level, and the engineering design, related to dispatching automation system, of thermal power plants, hydropower stations, nuclear power plants, new energy plants or stations, substations, converter stations, etc. subjected to direct dispatching management and information acquisition of power dispatching (regulating) center at or above provincial level.
1.0.3 The dispatching automation system must be designed in accordance with the national guiding principles for economic development and various technical and economic policies. The design shall be based on the characteristics and operations of the power system, compatible with the development plan of the power system, adapted to the unified dispatching and hierarchical management system of the power system, and developed in strict accordance with the system dispatching management system and dispatching responsibilities. Advanced and mature technology shall be adopted in the design, so as to be economical and practical.
1.0.4 In the design of dispatching automation system, it is necessary to determine the general functional requirements of dispatching automation system, put forward the design contents of dispatching center and station automation, and define the automation information contents and information transmission channels on the basis of comprehensively collecting user requirements, understanding the current situation of relevant systems, analyzing the characteristics of power system, and sorting out the operation needs and channel conditions.
1.0.5 In the engineering design of dispatching center automation system, the designer shall determine the system architecture and functions, configuration and specifications of all kinds of software and hardware equipment and the system implementation scheme and prepare the design documents on preliminary design, construction drawing and as-built drawing according to the approved planning and feasibility study on the dispatching automation in power system, and cooperate in completing the engineering technical services such as design liaison and acceptance.
1.0.6 In the dispatching automation design of power generation and transformation projects, the designer shall also verify the dispatching relationship and automation information contents of various equipment, determine the equipment type, specifications and information transmission channels, and prepare the schematic wiring diagram and installation wiring diagram according to the approved planning and feasibility study of dispatching automation in power system.
1.0.7 In addition to this standard, the design of dispatching automation system shall also comply with those specified in the current relevant standards of China.
2 Terms and abbreviations
2.1 Terms
2.1.1 dispatching automation system
general term of all kinds of application systems that provide technical support for power system dispatching control and operation management, mainly composed of dispatching center automation system, station automation system and the information transmission channels between the two systems
2.1.2 dispatching center automation system
automation system deployed in the dispatching (regulating) center, composed of server, workstation, network equipment, storage equipment, security protection equipment and other hardware and software systems, to provide technical support for the operators of various disciplines of the dispatching (regulating) center
2.1.3 station automation system
automation system deployed on the station side, composed of various dispatching automation information acquisition devices, data communication equipment, security protection equipment and station computer monitoring system to realize automatic information acquisition and interaction of station
2.1.4 smart remote communication and control gateway
remote communication and control device set in the station control layer of a station, which integrates the communication function between the station and the dispatching center automation system to realize direct acquisition and direct transmission of remote communication and control data at the station, is used for acquiring, storing, processing and transmitting data, models and graphics at the station, supports remote browsing, alarm direct transmittal, source maintenance, sequence control, voltage and reactive power control, etc., and should have the functions of anti-misoperation locking and monitoring terminal
2.1.5 message mail
mechanism supporting the transmission based on automatic delivery of information to the destination address, and secure transmission of files and workflow information between production control zone and management information zone, and between superior and subordinate dispatching systems
2.1.6 context
collection of a set of applications to achieve certain goals, which defines a time-related operating environment, and can be classified into real-time context, research context, planning context, testing context, inversion context and training context by operating environments; an application may be multiplexed in different contexts
2.1.7 CASE
collection of data or information corresponding to specific time section and application environment, including operation mode CASE, model CASE and graphic CASE
2.1.8 G language
graphic description language for power system, which is new and efficient and developed on the basis of IEC-61970-453 CIM based graphic exchange to deal with the condition of large SVG text transmission in slow network
2.1.9 E language
data markup language for power system, which is new and efficient and developed on the basis of IEC 61970-301 Common information model (CIM) infrastructure to deal with the efficiency defect of CIM when it is described by XMI
2.2 Abbreviations
AGC Automatic Generation Control
AVC Automatic Voltage Control
AVR Automatic Voltage Regulator
CIM Common Information Model
CPS Control Performance Standard
CPU Central Processing Unit
FFC Flat Frequency Control
FTC Flat Tie-line Control
GIS Geographic Information System
IC Integrated Circuit
ISO International Organization for Standardization
ITU-T International Telegraph Union-Telecommunication Standardization Sector
KPI Key Performance Indicators
KVM Keyboard Video Mouse
MTBF Mean Time Between Failure
NAS Network Attached Storage
NTP Network Time Protocol
OLTC On-Load Tap Changer
PC Personal Computer
PSS Power System Stabilizer
RAID Redundant Array of Independent Disks
SAN Storage Area Network
SCADA Supervisory Control and Data Acquisition
SNTP Simple Network Time Protocol
SOA Service-Oriented Architecture
SOE Sequence of Event
SVC Static Var Compensator
SVG Scalable Vector Graphics
TBC Tie-line Bias Control
TTS Text to Speech
UPS Uninterruptible Power Supply
VPN Virtual Private Network
XML Extensible Markup Language
3 General architecture and requirements
3.1 General architecture of dispatching automation system
3.1.1 According to the principle of unified dispatching and hierarchical management, the dispatching (regulating) center at or above the provincial level shall be equipped with a dispatching automation system and its standby system. Power plants and substations shall be equipped with station automation systems, which shall be connected to corresponding dispatching center automation systems according to the division of their dispatching management relations.
3.1.2 The dispatching automation system shall be designed according to the integrated regulation and control architecture. In addition to supporting the monitoring, analysis and decision-making functions required for dispatching in power system, it shall also have the centralized monitoring and control functions for stations, and be able to stratify, partition and distribute relevant information according to the division of monitoring scope.
3.1.3 Unified technical standards shall be adopted for dispatching center automation systems at all levels to realize the integrated operation among them as well as source maintenance and system sharing of models, data and pictures.
3.1.4 A reliable and practical standby dispatching system shall be constructed to meet the requirements for continuity in power grid operation control and dispatching production command. Dispatching institutions at or above the provincial level shall set an off-site standby dispatching system, whose site shall be selected by comprehensively evaluating risk factors, infrastructure, technical conditions and operation and maintenance level, etc., so as to meet relevant standards and operating requirements. The system architecture and core module configuration of the standby dispatching system shall be consistent with those of the main dispatching system, and a complete automatic synchronization mechanism shall be provided between the main and standby dispatching systems. If technical conditions permit, an integrated mode may be adopted for main and standby dispatching systems.
3.1.5 The dispatching automation system shall realize the integrated data acquisition and exchange between the dispatching center automation system and the smart remote communication and control gateway of the station, or data acquisition and exchange between the dispatching center automation system and the conventional acquisition devices. As for the dispatching center automation system and station automation system with direct dispatching relationship, direct acquisition and direct transmission of information shall be adopted between them; as for those without direct dispatching relationship, direct acquisition of information may be adopted between them.
3.2 General requirements for dispatching automation system
3.2.1 Dispatching automation system shall meet the requirements of power grid development and operation control, with functions covering the services of dispatching (regulating) centers at all levels; it shall be supported by optimized and reasonable dispatching data network and guaranteed by perfect security protection of power monitoring system, so as to realize smart dispatching decision-making and lean operation control, and meet the requirements of integrated dispatching management and integrated dispatching and regulating operation.
3.2.2 The dispatching automation system should be designed and developed in integrated, modular and smart mode in accordance with unified standard, and shall follow the design principles of openness, reliability, security, intensive, easy-to-use, maintainability and manageability.
3.2.3 The system shall integrate all the application functions required by the dispatching (regulating) center to provide all services by building a standard and open basic platform. The platform shall provide unified services such as model, data, CASE, bus, human-machine interface and system management for various applications, provide general technical support for the development, operation and management of various applications, and guarantee the integration, efficiency and reliability of the whole system. Data exchange between applications will be carried out through data services provided by the platform.
3.2.4 Each application function shall be developed in a modular way, follow the unified interface requirements, and realize information interaction and integrated operation by accessing to the basic platform.
3.2.5 The dispatching automation system shall provide technical support for the integrated operation of services among dispatching (regulating) centers at all levels through standardized interfaces, unified models and efficient data transmission means.
3.2.6 The security protection of dispatching automation shall comply with the requirements of Regulations on security protection of power monitoring systems and General scheme for security protection of power monitoring systems. The dispatching center system shall be equipped with corresponding security protection equipment according to the Scheme for security protection of monitoring systems in dispatching centers at or above the provincial level; the hardware and software of the system selected shall meet the security protection requirements. The station automation system shall meet the relevant requirements of General scheme for security protection of monitoring systems in power plants and General scheme for security protection of monitoring systems in substations.
3.2.7 During the development of a dispatching automation system, a smooth transition scheme between the original and the new systems shall be adopted through full consideration to ensure the continuity of power system monitoring. Security guarantee and emergency measures during installation and commissioning of the new system shall be taken to avoid the commissioning of the new system affecting on normal operation of power grid. A data migration scheme from the original system to the new system shall be designed to ensure the integrity and continuity of the historical data in the system.
3.2.8 The public model of power grid describing the power grid equipment and topological structure shall be uniformly built and maintained in the basic platform and may be called by each application. Each application may build and maintain its own model internally. With the cooperation of dispatching center and station automation systems, the dispatching automation system should realize the source maintenance and global sharing of basic information and public model.
3.2.9 The dispatching automation system shall have functions allowing it to monitor and control all kinds of equipment including smart substation, flexible power transmission system, intermittent energy system. It shall be able to effectively analyze and process massive power grid monitoring and equipment on-line monitoring data, and provide support for optimal operation, emergency control and fault recovery of power grid.
3.2.10 The system shall be continuously optimized and upgraded to expand new functions based on the new requirements of power grid operation and the development of information and communication technology.
4 Dispatching center automation system
4.1 System scheme
4.1.1 The scheme for dispatching center automation system shall fully meet the business requirements of the dispatching (regulating) center in the aspects of power grid operation monitoring, control, analysis, planning, decision aids, simulation training and operation management.
4.1.2 Each functional module of the system should realize efficient data and service sharing among applications based on a unified public information model and standardized information interface. As required, the system may have the functions of transforming private information model into public information model.
4.1.3 A new automation system may access other systems through interfaces according to the actual situation. Each system shall support the standard information model and interface specification to avoid an isolated island of information formed.
4.1.4 The dispatching center automation system shall be divided into different security areas according to the requirements of Regulations on security protection of power monitoring systems, and all applications shall be deployed in security areas with different protection levels based on their own characteristics.
4.1.5 On the basis of data acquisition and analysis, the dispatching center automation system should extract the key indicators for power grid operation that are concerned by the operation management personnel of various disciplines in the dispatching (regulating) center, and provide a focused and interface-friendly operation environment for different operation scenarios by using visualization technology, so as to integrate and display the key indicators, thus improving the efficiency of obtaining operation information and executing power grid operation by personnel of various disciplines.
4.1.6 Technologies such as high availability cluster, fault detection and isolation, and redundancy of key components should be adopted in the dispatching center automation system to improve the fault tolerance of important modules and the availability of the whole system.
4.1.7 The dispatching center automation system shall actively adopt technologies such as cloud computing, big data, virtualization and trusted computing according to actual needs, improve the degree of system distribution, strengthen the capabilities such as deep data mining and flexible resource allocation, and further improve the utilization efficiency of software and hardware resources and power grid information and the security of system operation.
4.2 System functions
4.2.1 System functions shall include basic platform, power grid operation monitoring, power grid operation control, power grid calculation and analysis, power grid operation plan, intelligent aided decision-making, system simulation and operator training, power grid operation management, etc.
4.2.2 System functions may be classified into mandatory and optional modules, of which, the former are the basic functional modules needed to support the normal operation of the system or the dispatching (regulating) center business, while the latter are functional modules selected and configured by different dispatching (regulating) centers according to local power grid operation and management needs. The specific classification of functional modules shall meet the requirements of Annex A hereof.
4.2.3 The basic platform provides technical support for the integrated operation of dispatching automation system. Horizontally, the system shall realize the integrated operation of various applications and the interaction with external systems through a unified basic platform, and realize the coordinated operation of various application functions in the main and standby dispatching systems and the synchronization of system maintenance and data between the main and standby dispatching systems; vertically, it shall realize the integrated functions of planning, verifying and alarming among dispatching automation systems at all levels through the basic platform, and realize the data acquisition and exchange between stations and dispatching (regulating) centers and among dispatching (regulating) centers through dispatching automation channels. The basic platform shall include basic supporting software, data storage and management, bus, platform management and service, data acquisition and exchange, statistical computing and other functions. The basic platform shall meet the following requirements:
1 Basic supporting software includes operating system and anti-malicious code software. Software on virtualization, cloud computing and big data processing may be configured according to specific requirements.
2 Data storage and management include real-time database, relational database and time series database. The real-time database runs based on memory, and is used to provide efficient real-time data access; the relational database may be used to save data that need to be saved for a long time, such as model, system configuration, alarm and event records, statistical information and sampling values; the time series database is used to store dynamic data and real-time steady-state data related to power grid operation with time scales.
Foreword i
1 General provisions
2 Terms and abbreviations
2.1 Terms
2.2 Abbreviations
3 General architecture and requirements
3.1 General architecture of dispatching automation system
3.2 General requirements for dispatching automation system
4 Dispatching center automation system
4.1 System scheme
4.2 System functions
4.3 Technical requirements of system
4.5 Software configuration requirements
4.6 Security protection requirement
5 Station automation system
5.1 Principles and contents of information acquisition
5.2 Computer monitoring system of station automation system
5.3 Other information acquisition terminals
6 Information transmission and interaction
6.1 Information transmission channel
6.2 Technical requirements of information interaction
7 Infrastructure and auxiliary systems
7.1 Overall principle
7.2 Infrastructure
7.3 Auxiliary systems
Annex A Functions of dispatching center automation system
Annex B Dispatching automation information of stations
Explanation of wording in this standard
List of quoted standards
