GB/T 42731-2023Technical requirements for the microgrid (English PDF)
微电网技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 23, 2023
Implementation date
June 1, 2024
Scope
GB/T 42731-2023 is the English-translated version of 微电网技术要求.
GB/T 42731-2023 is the Chinese standard "Technical requirements for the microgrid".
Its scope clause reads: This document specifies the distributed power supply, load, power transformation and distribution system, relay protection and safety automatic device, monitoring and energy management in the microgrid: Technical requirements for systems, communications, metering, etc: This document is applicable to the planning and design of AC microgrids with a voltage level of 35kV and below and a maximum system load capacity of no more than 20MW: design, construction and operation:.
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Document preview — GB/T 42731-2023
National Standard of the People's Republic of China
- ICS
- 29.240
- Classification
- F 19
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 General requirements
- 5 Distributed Power
- 6 Load
- 7 Transformation and distribution system
- 8 Relay protection and safety automatic device
- 9 Monitoring and Energy Management System
- 10 Communication
- 11 metering
- Appendix A (Informative) Typical Architecture of Microgrid Primary System
1 Scope
This document specifies the distributed power supply, load, power transformation and distribution system, relay protection and safety automatic device, monitoring and energy management in the microgrid:
Technical requirements for systems, communications, metering, etc:
This document is applicable to the planning and design of AC microgrids with a voltage level of 35kV and below and a maximum system load capacity of no more than 20MW:
design, construction and operation:
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 156 standard voltage
GB/T 14285 Technical Regulations for Relay Protection and Safety Automatic Devices
GB/T 17468 Guidelines for Selection of Power Transformers
GB :20052 Power Transformer Energy Efficiency Allowable Values and Energy Efficiency Grades
GB/T 20270 Information Security Technology Network Basic Security Technical Requirements
GB/T 33589 Technical Regulations for Microgrid Connected to Power System
GB/T 33593 Distributed Power Grid-connected Technical Requirements
GB/T 34129 Microgrid Access Distribution Network Test Specification
GB/T 34930 Operation control specification for microgrid access to distribution network
GB/T 36270 Microgrid Monitoring System Technical Specifications
GB/T 36274 Microgrid Energy Management System Technical Specifications
GB/T 36572 Guidelines for Network Security Protection of Electric Power Monitoring System
GB/T 38953 Microgrid Relay Protection Technical Regulations
GB 50052 Code for Design of Power Supply and Distribution System
GB 50054 Code for Design of Low-Voltage Power Distribution
GB 50061 Code for Design of 66kV and Below Overhead Power Lines
GB 50217 Design Standards for Power Engineering Cables
GB 50797 Code for Design of Photovoltaic Power Stations
GB 51048 Code for Design of Electrochemical Energy Storage Power Stations
GB 51096 Code for Design of Wind Farms
GB/T 51308 Offshore Wind Farm Design Standards
GB/T 51341 Microgrid Engineering Design Standards
DL/T 448 Technical Management Regulations for Electric Energy Metering Devices
DL/T 584 3kV~110kV Power Grid Relay Protection Device Operation Setting Regulations
DL/T 634:5101 Telecontrol Equipment and Systems Part 5-101: Supporting Standards for Transmission Protocol Basic Telecontrol Tasks
DL/T 634:5103 Telecontrol Equipment and System Part 5-103: Transmission Protocol Relay Protection Equipment Information Interface Supporting Standard […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 156Standard voltages
- GB/T 14285Technical code for relaying protection and security automatic equipment
- GB/T 17468Guide for choice power transformers
- GB 20052Minimum allowable values of energy efficiency and energy efficiency grades for power transformers
- GB/T 20270Information security technology Basis security techniques requirement for network
- GB/T 33589Technical requirements for connecting microgrids to the power system
GB 51048 · DL/T 634.5103
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Related Standards
DL/T 448-2016 — Technical administrative code of electric energy metering
DL/T 584-2017 — Setting guide for 3kV~110kV power system protection equipment
DL/T 5840-2021 — Electrical Installation Engineering Specifications for Construction and Acceptance of Power Transformers, Oil-Immersed Reactors, and Transformers (with descriptions)
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