Standard No.:	NB/T 11904-2025
English Name:	General technical requirements for inspection robot of photovoltaic power station
Chinese Name:	光伏电站巡检机器人通用技术条件
Professional Classification:	NB    Professional Standard - Energy
Source Content Issued by:	National Energy Administration
Issued on:	2025-12-18
Implemented on:	2026-6-18
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	13500 words
Translation Price(USD):	405.0
Delivery:	via email in 1~5 business day

NB/T 11904-2025 General technical requirements for inspection robot of photovoltaic power station English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS CCS H Professional Standard of the People’s Republic of China NB/T 11904-2025 General technical requirements for inspection robot of photovoltaic power station 光伏电站巡检机器人通用技术条件 (English translation) Issue date: 2023-12-28 Implementation date: 2024-06-28 Issued by the National Energy Administration of the People's Republic of China Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 System classification and composition 5 Technical requirements 6 Test methods 7 Marking, packaging, transportation and storage Photovoltaic power station inspection robots — General technical specifications 1 Scope This document specifies the classification and composition, technical requirements, test methods, marking, packaging, transportation and storage of inspection robot systems for photovoltaic power station substations. This document is applicable to inspection robot systems for photovoltaic power station substations. Inspection robot systems for onshore wind farm substations may refer to this document. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 2423.1, Environmental testing for electric and electronic products — Part 2: Test methods — Tests A: Cold GB/T 2423.2, Environmental testing for electric and electronic products — Part 2: Test methods — Tests B: Dry heat GB/T 2423.3, Basic environmental testing procedures for electric and electronic products — Test Cab: Damp heat, steady state GB/T 2423.4, Environmental testing for electric and electronic products — Part 2: Test methods — Test Db: Damp heat, cyclic (12h + 12h cycle) GB/T 2423.10, Environmental testing for electric and electronic products — Part 2: Test methods — Test Fc: Vibration (sinusoidal) GB/T 4208, Degrees of protection provided by enclosure (IP code) GB/T 11463, Reliability testing for electronic measuring instruments GB/T 17626.2, Electromagnetic compatibility — Testing and measurement techniques — Electrostatic discharge immunity test GB/T 17626.3, Electromagnetic compatibility — Testing and measurement techniques — Radiated, radio-frequency, electromagnetic field immunity test GB/T 17626.5, Electromagnetic compatibility — Testing and measurement techniques — Surge immunity test GB/T 17626.8, Electromagnetic compatibility — Testing and measurement techniques — Power frequency magnetic field immunity test GB/T 17626.9, Electromagnetic compatibility — Testing and measurement techniques — Pulse magnetic field immunity test DL/T 664, Application specification of infrared diagnosis for live equipment DL/T 1610, General technical specification for robot inspection system of substation DL/T 2239, Technical specification for testing of substation inspection robots DL/T 2336, Network security detection requirements for power monitoring system equipment and software DL/T 2337, Network security technical requirements for power monitoring system equipment and software DL/T 2465, Testing specification for indoor orbital inspection robot system of substation 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 photovoltaic power station inspection robot An intelligent device consisting of multiple sensors, cameras, mechanical devices, communication equipment and drive units, integrated with a monitoring backend management system, capable of autonomous navigation and path planning, used for indoor and outdoor mobile inspection of photovoltaic power station substations. 3.2 photovoltaic power station inspection robot system A robot system with photovoltaic power station inspection robots as the main body, integrating equipment monitoring, data acquisition, image recognition, environmental monitoring, autonomous navigation and monitoring backend technologies, used for automated inspection and monitoring of photovoltaic power stations. 3.3 outdoor ground mobile robot A robot device used in outdoor complex environments, driven by wheeled, tracked or legged mechanisms, integrating navigation technologies such as LiDAR, satellite navigation systems or vision, capable of autonomous navigation or remote-controlled movement on complex terrain. 3.4 indoor ground mobile robot A robot device used in indoor building environments, driven by wheeled, tracked or legged mechanisms, integrating navigation technologies such as LiDAR, vision or magnetic strips, capable of autonomous navigation or remote-controlled movement in limited indoor spaces. 3.5 indoor orbital mobile robot A robot device designed for automated execution of specific tasks, operating on a fixed path along a preset track. 3.6 monitoring backend A backend management system consisting of a monitoring host, communication equipment, monitoring and analysis software and databases, used for centralized monitoring of photovoltaic power station inspection robot operations. 4 System classification and composition 4.1 Classification methods 4.1.1 Classification by application scenario According to application scenarios, photovoltaic power station inspection robots can be divided into indoor robots and outdoor robots. Indoor robots include indoor ground mobile robots and indoor orbital mobile robots, used for inspection operations in indoor scenarios such as relay protection rooms and power distribution rooms. Outdoor robots include outdoor ground mobile robots, used for inspection operations in outdoor areas of substations. 4.1.2 Classification by motion mode According to motion mode, photovoltaic power station inspection robots can be divided into ground mobile robots and orbital mobile robots. Ground mobile robots include indoor ground mobile robots and outdoor ground mobile robots, which move through wheeled, tracked or legged drive modes. Orbital mobile robots include indoor orbital mobile robots, which move through track drive systems. 4.2 System composition 4.2.1 Indoor ground mobile robot system The indoor ground mobile robot system shall be configured with indoor ground mobile robots, charging stations, communication units, monitoring backend and auxiliary units. The indoor ground mobile robot detection unit may be configured with pan-tilt units, visible light detection units, infrared detection units, noise detection units, environmental detection units, etc. Partial discharge detection units, ultraviolet detection units, multi-axis or telescopic mechanical arms and other mechanisms or sensors may be flexibly selected as options. 4.2.2 Indoor orbital mobile robot system The indoor orbital mobile robot system shall be configured with indoor orbital mobile robots, power supply units, communication units, track units, monitoring backend and auxiliary units. The indoor orbital mobile robot detection unit may be configured with pan-tilt units, visible light detection units, infrared detection units, partial discharge detection units, noise detection units, environmental detection units, etc. 4.2.3 Outdoor ground mobile robot system The outdoor ground mobile robot system shall be configured with outdoor ground mobile robots, robot rooms, communication units, monitoring backend and auxiliary units. The outdoor ground mobile robot detection unit may be optionally configured with pan-tilt units, visible light detection units, infrared detection units, noise detection units, environmental detection units, etc.