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GB/T 40594-2021Technical guide for power grid and source coordination (English PDF)

电力系统网源协调技术导则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

May 1, 2022

Scope

GB/T 40594-2021 is the English-translated version of 电力系统网源协调技术导则.

GB/T 40594-2021 sets out the technical and management requirements for coordination between the power grid and the generating plants connected to it.

It covers the grid-related equipment and tests of power supplies, the technical requirements for synchronous generators and excitation systems, prime movers and their governors, new energy stations, grid-related protection, AGC and AVC systems, online monitoring and the prevention of sub- and super-synchronous oscillation.

It also assigns responsibilities to planners, grid companies and their dispatch agencies, power generation companies, test institutes and other parties, and follows coordination through planning, commissioning, testing, operation and overhaul.

It applies to power system planning and design, commissioning, production operation, testing and equipment manufacturing. It was issued on 11 October 2021 and has applied since 1 May 2022.

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Document preview — GB/T 40594-2021

National Standard of the People's Republic of China

ICS: 29.240
Classification: F 21

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Network source coordination network-related equipment and test
5.1 Power supply
5.2 Network-related equipment
5.3 Network-related test
6 Technical requirements for network source coordination
6.1 Synchronous generator and excitation system
6.2 Prime mover and regulating system
6.3 New Energy Field Station
6.4 Network protection
6.5 AGC, AVC system
6.6 Online monitoring of network source coordination
6.7 times/super synchronous oscillation prevention and control
7 Network source coordination and management responsibilities
7.1 Planning and design agency
7.2 Grid companies and their dispatch agencies
7.3 Power generation companies and their power plants
7.4 Test and research unit
7.5 Related units
8 Network source coordination process management
8.1 Planning and Design
8.2 Construction and commissioning
8.3 Test
8.4 Operation and control
8.5 Overhaul, modification, capacity change
Appendix A (Normative) The main signals and requirements of the power supply side of the network source coordination on-line monitoring equipment

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 of Standardization Documents" Drafting.

1 Scope

This document specifies the technical and management requirements for power system grid source coordination related fields.

This document is applicable to technical fields such as power system planning and design, infrastructure debugging, production operation, testing and equipment manufacturing.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 7064 Technical requirements for hidden pole synchronous generators

GB/T 7409 (all parts) Synchronous motor excitation system

GB/T 7894 Basic Technical Conditions of Hydrogenerator

GB/T 19963 Technical Regulations for Connecting Wind Farms to Power Systems

GB/T 31464-2015 Grid Operation Guidelines

GB/T 32900 Technical Specification for Relay Protection of Photovoltaic Power Stations

GB 38755-2019 Safety and Stability Guidelines for Power Systems

GB/T 38969 Technical Guidelines for Power System

GB/T 40586 Technical requirements for grid-related protection of grid-connected power supplies

GB/T 40589 Synchronous generator excitation system modeling guide

GB/T 40591 Power system stabilizer setting test guide

GB/T 40593 Synchronous generator speed control system parameter measurement and modeling guide

GB/T 40595 Grid-connected power supply primary frequency modulation technical regulations and test guidelines

DL/T 583 Technical conditions of static rectification excitation system for large and medium-sized hydro-generators

DL/T 843 Technical conditions for excitation system of large turbo-generator

DL/T 1391 Digital automatic voltage regulator network-related performance testing guidelines

DL/T 1523 Synchronous generator phase advance test guide

DL/T 1631 Grid-connected wind farm relay protection configuration and setting technical specifications

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Power system

It consists of power generation, power supply (transmission, transformation, distribution), power facilities, and the relay protection and safety automatic equipment required to ensure its normal operation.

It is a unified whole composed of secondary facilities such as equipment, metering devices, dispatching automation, and power communication. [Source: GB/T 31464-2015, 3.1.1]

......
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 7409 · GB/T 19963 · DL/T 843

Cited by

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