GB/T 22384-2024 Inspection specification for security and stability control system of power system
1 Scope
This document specifies the general inspection requirements, inspection classification and requirements, pre-inspection preparation, inspection items and requirements for power system safety and stability control system and its related secondary circuits, and describes the test methods for inspection of power system safety and stability control system.
This document is applicable to the design, manufacturing, installation, commissioning, operation, maintenance and management of safety and stability control systems or safety and stability control devices [referred to as "stability control systems (devices)"] of power generation enterprises or departments, power grid enterprises or departments and users.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 7261 Basic testing method for relaying protection and security automatic equipment
GB 26,860 Safety code of electric power industry - Electric part of power plants and transformer substations
GB/T 34871 Inspection specification of protection relay in smart substation
GB/T 36572 Guidelines of cyber security protection for electric power system supervision and control
GB/T 40091 Requirements for safety measures of relaying protection and security automatic equipment in smart substation
GB/T 40587 Technical specification for power system security and stability control system
DL/T 527 Technical specifications of power supply for protection and control equipment
DL/T 995 Testing regulations on protection and stability control equipment
DL/T 1092 General conditions of security and stability control system for power system
DL/T 2544 Guide for condition based maintenance strategy of relay protection devices
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
security and stability control device
control equipment installed in power plants, substations, or new energy plants to ensure the stability of the power system in the event of major disturbances, and to achieve functions such as machine cutting, load cutting, rapid output reduction, DC emergency control, and rapid control of new energy sources such as wind power, photovoltaics, and energy storage
Note: It is referred to as “stability control device” for short.
[Source: GB/T 40587-2021, 3.1]
3.2
security and stability control system
system composed of the safety and stability control devices of two or more plants and stations communicated through communication equipment, so as to realize the stability control of regional or larger power systems
Note: It is referred to as “stability control system” for short.
[Source: GB/T 40587-2021, 3.2]
3.3
security and stability control information management system
mainframe station computer system that can collect the information of the stability control device by communicating with the stability control device of the factory and station, and realize the functions of remote monitoring, patrol, control and maintenance of the stability control device
[Source: GB/T 40587-2021, 3.5, modified]
3.4
static test
test and verification on inspected device body and the overall function of the system by directly simulating various electrical waveforms and fault characteristics via test software or instruments, and providing the required input for the inspected safety and stability control system (device)
3.5
dynamic whole process test
test to verify the correctness of fault identification, control strategy functions and action response of the tested stability control system by replaying the dynamic process of system faults after inputting the simulation results of the power system analysis and calculation program or on-site waveform data into the tested stability control system (device)
[Source: DL/T 2534-2022, 3.1.3, modified]
3.6
real-time digital simulation test
test to achieve real-time and closed-loop detection by building a system through a real-time digital simulation platform, simulating various system faults, providing the required input for the tested stability control system (device), and receiving the output of the tested stability control system (device), so as to examine the action process and grid response characteristics of the tested stability control system (device), and verify the correctness, effectiveness, and rationality of the control strategy and logic
[Source: DL/T 2534-2022, 3.1.5.]
3.7
system transmission test
relevant primary and secondary system overall transmission test by triggering the strategic action of the inspected stability control system and exiting the actual control object via triggering the actual fault of the power grid or simulating the actual fault characteristics on the inspected stability control device and its secondary loop for the actual operation of the stability control system in the power grid
4 General requirements
4.1 Before inspection, the stability control system (device) shall complete the end-of-manufacturing inspection and pass the inspection in accordance with DL/T 1092, as well as e provided with a qualified type test report issued by a qualified third-party testing agency. Among them, the type test report shall include the electromagnetic compatibility, mechanical properties, environment and other relevant inspection contents of the stability control device.
4.2 The stability control system (device) and its secondary circuit shall be inspected to determine that the components of the device are good, the criteria, control strategies, interfaces, communication channels, setting values, secondary circuits, etc. shall be correct, as well as the operating characteristics and electrical performance, etc. shall comply with GB/T 40587, DL/T 527 and DL/T 1092.
4.3 The network security protection of the stability control device shall meet the relevant requirements of GB/T 36572.
4.4 The inspection of relays and their auxiliary equipment, transformers and circuits, DC circuits and other components or equipment related to the stability control system (device) shall be carried out in accordance with DL/T 995; intelligent substation merging units, intelligent terminals, device capability description files (ICD models), network pressure and other related devices and functional inspections related to stability control systems (devices) shall be performed in accordance with GB/T 34871.
4.5 If the stability control system (device) fails to complete the inspection according to the inspection requirements of each stage of this document, or if the inspection results do not meet the requirements, it shall not be put into operation.
Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 General requirements 5 Inspection classification and requirements 6 Pre-inspection preparation 7 Inspection items 8 On-site unpacking inspection 9 External inspection 10 Insulation inspection 12 Inspection of equipment functions 13 Interactive inspection between device and stability control information management system 14 Joint inspection of stability control system 15 Inspection of optical fiber channel 16 Whole process test 17 Inspection of device putting into service 18 System transmission test Bibliography
3.3 稳控信息管理系统security and stability control information management system 通过与厂站端稳控装置通信,采集稳控装置的信息,并可实现对稳控装置的远程监视、巡视、控制及维护等功能的主站计算机系统。
[来源:GB/T 40587-2021,3.5，有修改]
3.4 静态测试static test 利用测试软件或仪器直接模拟各类电气波形、故障特征，为受检安全稳定控制系统(装置)提供所需输入量，对受检装置本体及系统整体功能进行测试和验证。
3.5 动态整组测试dynamic whole process test 通过将电力系统分析计算程序的仿真结果或现场录波数据输人至受检稳控系统(装置)，回放一次系统故障动态过程。以验证受检稳控系统故障识别.控制策略功能和动作响应正确性的检验。
[来源:DL/T 2534- 2022 .3.1.3，有修改]
3.6 实时数字仿真测试real-time digital simulation test 通过实时数字仿真平台搭建一次系统,并模拟各类系统故障.为受检稳控系统(装置)提供所需输入量，同时接收受检稳控系统(装置)的输出量.实现实时、闭环检测,以考察受检稳控系统(装置)的动作过程和电网响应特性,验证控制策略和逻辑的正确性、有效性和合理性的检验。
[来源:DL/T 2534-2022.3.1.5，有修改]
3.7 系统传动试验system transmission test 针对电网中实际运行的稳控系统,通过触发电网实际故障或在受检稳控装置及其二次回路上模拟实际故障特征.触发受检稳控系统策略动作并出口控制实际对象，而进行的相关一、.二次系统整体传动试验。
