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GB/T 32900-2025Technical requirements for the relay protection of photovoltaic power stations (English PDF)

光伏发电站继电保护技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 2, 2025

Implementation date

April 1, 2026

Scope

GB/T 32900-2025 is the English-translated version of 光伏发电站继电保护技术要求.

GB/T 32900-2025 is the Chinese standard "Technical requirements for the relay protection of photovoltaic power stations". Its scope clause reads: This document specifies the general requirements, configuration requirements, setting requirements, and setting management requirements for relay protection of photovoltaic power stations.

This document applies to relay stations connected to the grid at voltage levels of 10kV and above (including photovoltaic power stations equipped with electrochemical energy storage).

Research and development, design, manufacturing, testing, commissioning, scheduling, operation, maintenance, and repair related to electrical protection. Other grid-connected photovoltaic power generation at different voltage levels. The station shall follow suit. Its clauses include terms and definitions.

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Document preview — GB/T 32900-2025

National Standard of the People's Republic of China

ICS: 29.240
Classification: K 45
Replacing: GB/T 32900-2016

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

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.General Requirements
5.Relay Protection Configuration Requirements
6.Relay protection setting requirements 9.
7.Setting Management Requirements
Appendix A (Informative) Typical Wiring Diagram of a Photovoltaic Power Station
Appendix B (Informative) Nominal Voltage and Average Rated Voltage for Each Voltage Level
References

1 Scope

This document specifies the general requirements, configuration requirements, setting requirements, and setting management requirements for relay protection of photovoltaic power stations.

This document applies to relay stations connected to the grid at voltage levels of 10kV and above (including photovoltaic power stations equipped with electrochemical energy storage).

The station shall follow suit.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 14285-2023 Technical Specification for Relay Protection and Safety Automatic Devices

GB/T 14598.24 Measuring relays and protective devices - Part 24.Transient data exchange (COMTRADE) for power systems

Use format

GB/T 19964-2024 Technical Specifications for Connecting Photovoltaic Power Stations to Power Systems

GB/T 20840.2 Instrument Transformers - Part 2.Supplementary Technical Requirements for Current Transformers

GB/T 29319 Technical Specifications for Photovoltaic Power Generation Systems Connected to Distribution Networks

GB/T 34120 Technical requirements for energy storage converters in electrochemical energy storage systems

GB/T 37138 Implementation Guidelines for Security Level Protection of Power Information Systems

GB/T 37408-2019 Technical Requirements for Grid-Connected Photovoltaic Inverters

GB/T 40864 Technical requirements for relay protection of flexible AC transmission equipment connected to the power grid

DL/T 553 General Technical Conditions for Dynamic Recording Devices in Power Systems

DL/T 559 Operation and Setting Procedures for 220kV~750kV Power Grid Relay Protection Devices

DL/T 584 Operation and Setting Procedures for 3kV~110kV Power Grid Relay Protection Devices

DL/T 866 Selection and Calculation Procedures for Current Transformers and Voltage Transformers

DL/T 1455 Technical Requirements for Security and Evaluation of Power System Control Software

NB/T 32004 Technical Specification for Photovoltaic Grid-Connected Inverters

NB/T 42088 Technical Specification for Substations of Relay Protection Information System

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1

This includes photovoltaic power generation systems and all types of buildings, electrical equipment, and auxiliary facilities that provide operation, inspection, and maintenance services for them.

The power plant inside.

[Source. GB 50797-2012, 2.1.6, with modifications] […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 20840.2

Cited by

Editions of GB/T 32900

Edition	Title	Revision	Status
GB/T 32900-2025	Technical requirements for the relay protection of photovoltaic power stations	current edition	Current
GB/T 32900-2016	Technical requirements for the relay protection of photovoltaic power stations	previous edition	Superseded

This page sells the current edition, GB/T 32900-2025. Earlier editions are listed for reference only.

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