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GB/T 47856-2026Guide for smart routine inspection of hydropower generation equipment (English PDF)

水电厂发电设备智能巡检技术导则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 2, 2026

Implementation date

February 1, 2027

Scope

GB/T 47856-2026 is the English-translated version of 水电厂发电设备智能巡检技术导则.

GB/T 47856-2026 is a guide for the smart routine inspection of hydropower generation equipment. It sets general requirements, the content and methods of inspection, and the technologies for intelligent analysis and decision support.

Its appendices list the intelligent inspection contents for hydropower plant generating equipment and provide a template for an intelligent inspection report. The guide applies to hydro-generator sets and their auxiliary equipment, high-voltage power transmission and transformation equipment, secondary equipment and public utility systems.

Issued on 2 July 2026 and applicable from 1 February 2027. It defines intelligent inspection as the use of technologies such as the Internet of Things, artificial intelligence, big data analytics and robotics to inspect plant equipment.

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Document preview — GB/T 47856-2026

National Standard of the People's Republic of China

ICS: 27.100
Classification: F 23

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 Inspection Content and Methods
6 Intelligent Analysis and Decision Support
Appendix A (Informative) Intelligent Inspection Contents for Hydropower Plant Generating Equipment
Appendix B (Informative) Template for Intelligent Inspection Report of Hydropower Plant Generating Equipment

Foreword

Drafting.

1 Scope

This document specifies the general requirements, inspection content and methods, and intelligent analysis and decision support technologies for intelligent inspection of hydropower plant generating equipment. Require.

This document applies to hydro-generator sets and their auxiliary equipment, high-voltage power transmission and transformation equipment, secondary equipment, public utility systems, etc.

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 to this document.

GB 26164.1 Safety Regulations for Electrical Work - Part 1: Thermal and Mechanical

GB 26860 Electrical Safety Operating Procedures - Electrical Part of Power Plants and Substations

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Intelligent inspection

By utilizing technologies such as the Internet of Things, artificial intelligence, big data analytics, and robotics, the operating status of hydropower plant generating equipment can be self-sensing and self-learning.

Inspections and checks are conducted through self-learning, self-analysis, self-decision-making, and self-adaptation.

3.2 Intelligent inspection system

A system that uses modern information technologies such as the Internet of Things, big data, and artificial intelligence to inspect equipment and facilities in hydropower plants or specific areas.

4 General Requirements

4.1 Hydropower plants should be equipped with intelligent inspection systems.

4.2 Hydropower plants that implement intelligent inspection of power generation equipment should formulate intelligent inspection procedures, specifying the inspection equipment, inspection methods, and inspection content.

4.3 Intelligent inspection should include daily inspection and special inspection.

4.4 When the intelligent inspection system malfunctions, manual inspection and handling should be carried out in a timely manner.

4.5 On-site safety of intelligent inspection of power generation equipment in hydropower plants shall comply with the provisions of GB 26164.1, GB 26859 and GB 26860.

5 Inspection Content and Methods

5.1 Overview

The specific content and methods of intelligent inspection of hydropower plant generating equipment are detailed in Appendix A.

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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

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