GB/T 26863-2022Terminology of monitoring and control system of thermal power station (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

This document replaces GB/T 26863-2011 "Terms for Thermal Power Station Monitoring System". Compared with GB/T 26863-2011, except for structural adjustment In addition to editorial changes, the main technical changes are as follows.

a) Added the terms "solar thermal power station", "geothermal power station" and "biomass thermal power station" (see 3.5~3.7), and deleted the term "system system" (see 3.10 of the 2011 edition);

b) Added the terms "smart power plant" (see 4.7), "digital power plant, virtual power plant, centralized control building, network control building, network relay Room" (see 4.8, 4.9, 4.11.1, 4.11.2, 4.11.9), changed the definition of "automation level" (see 4.6, 11.6 of the 2011 edition), - Deleted the term "main control building" (see 11.8.3 of the 2011 edition);

c) Added the terms "explosive atmosphere" (see 5.1.52), "equipment protection level, level Ma, level Mb, level Ga, level Gb, level Gc, level Da Level, Db level, Dc level" (see 5.1.54), "COD analyzer" (see 5.2.66), "detector, combustible gas detector, toxic gas Detector" (see 5.2.67), "pyranometer" (see 5.2.78), "pyramidometer" (see 5.2.79), "sensing, sensing equipment, mode Recognition, Image Recognition, Computer Vision, Machine Vision, Biometric Recognition, Voiceprint Recognition, Face Recognition, Iris Recognition, Fingerprint Recognition Gender, radio frequency identification, inspection robot" (see 5.5), changed the definition of "fieldbus" (see 5.4.1, 4.4.1 of the 2011 edition);

d) Added terms "tertiary frequency modulation, automatic reactive voltage control, ancillary services, black start, mirror field control system, heliostat array control device, direct light characteristic calibration system, collector field control system, solar closed-loop control system" (see 7.29.1.7, 7.29.11~ 7.29.13, 7.37~7.41), changed the definition of "intelligent control, secondary frequency regulation, automatic power generation control, auxiliary workshop centralized control system" meaning (see 7.12, 7.29.1.6, 7.29.8, 7.42, 6.12, 6.29.1.6, 6.29.8, 6.37 of the 2011 edition);

e) The terms "gas turbine unit protection system, overspeed control device, overspeed blocking device, fuel shut-off valve, overtemperature control device, Over-temperature protection device, over-temperature detector, ignition failure blocking device, flameout blocking device, alarm protection system, low fuel pressure Protection device, [lubricating] oil pressure too low protection device, [lubricating] oil temperature too high protection device, axial displacement protection device, manual shutter disconnecting device" (see 8.8);

f) Added the term "computer network, power network computer monitoring system" (see 9.7, 9.19), and changed the definition of "configuration" (see 9.14.12, 8.13.12 of the 2011 edition), "programmable logic controller" (see 9.16, 8.15 of the 2011 edition), the term was deleted "Decentralized process computer system" (see 8.5 of the 2011 edition);

g) Added terms "data lake, digital twin, graph database" (see 10.42, 10.44, 10.50), "data center, host room, auxiliary area, support area, administrative management area" (see 10.37), "embedded system, special purpose instruction set processor, field programmable gate array, special purpose Integrated circuits, single-chip systems, systems-on-chips, networks-on-chips, industrial Internet, cloud computing, cloud services, resource pooling, and cloud deployment models type, hybrid cloud, private cloud, public cloud, edge, edge computing, big data, data mining, data analysis, data fusion, software definition Storage, Software Defined Networking, Network Virtualization, Virtual Machines, Virtual Reality, Augmented Reality, Containers, Live Migration of VMs, Blocks Chain, blockchain as a service, Byzantine fault tolerance mechanism, decentralized application, distributed ledger, public distributed ledger system, private distributed Distributed ledger system, smart contract" (see 10.58~10.83.7), changed "risk management, enterprise resource planning, smart data Library" definition (see 10.29, 10.46, 10.51, 9.29, 9.43, 9.47 of the 2011 edition), delete the term "digital power plant" (see 9.68 of the 2011 edition);

h) Added the term "functional safety and network security" (see Chapter 11), and changed the definition of "firewall, safety integrity level" (see 11.2.50, 11.1.21, 8.8.47, 7.11 of the 2011 edition), delete the term "network security isolation gatekeeper" (see 9.57);

i) Change "reliability" to "credibility" (see Chapter 12, Chapter 10 of the 2011 edition), and add "failure mechanism, failure mode, Failure detection, time to failure detection, service life, corrective maintenance, preventive maintenance, planned maintenance, condition monitoring" terms (see 12.3, 12.4, 12.11, 12.12, 12.16, 12.48, 12.49, 12.50, 12.53), changed the "failure, failure, latent failure, intermittent Fault, persistent fault, fault location, fault diagnosis, repair, reliability, maintainability, maintainability, availability, reliability, flatness Average working time before failure, Mean working time between failures, Available time, Redundancy, Working redundancy, Standby redundancy, Fault tolerance, Failure Safety, reliability models, failure mode and effects analysis, fault trees, predictive maintenance, condition-based maintenance, reliability-centred maintenance "repair" definition (see 12.2, 12.5, 12.6, 12.8, 12.9, 12.13~12.15, 12.23~12.30, 12.32~12.36, 12.38, 12.41, 12.42, 12.51, 12.52, 12.54, 10.28, 10.2, 10.5, 10.7, 10.8, 10.13~10.15 of the 2011 edition, 10.23~10.27, 10.29~10.31, 10.33~10.37, 10.39, 10.42, 10.43, 9.61, 9.62), the term "failure Mechanism, transient fault, fault identification, fault identification time, fault resolution" (see 10.3, 10.6, 10.10, 2011 edition 10.11, 10.12).

1 Scope

This document defines the terms and definitions related to thermal power station monitoring system.

This document is applicable to conventional thermal power plants, solar thermal power plants, geothermal power plants, biomass thermal power plants, conventional islands of nuclear power plants and auxiliary system.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 4208 enclosure protection level (IP code)

GB/T 17626 (all parts) Electromagnetic compatibility test and measurement technology

3 Basic terms