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NB/T 11106-2023Technical requirements for unattended monitoring and control system of underground power supply in coal mine (English PDF)

煤矿井下供电无人值守监控系统技术要求

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

February 6, 2023

Implementation date

August 6, 2023

Scope

NB/T 11106-2023 is the English-translated version of 煤矿井下供电无人值守监控系统技术要求.

NB/T 11106-2023 states the technical requirements for unattended monitoring and control systems of underground coal mine power supply, which watch voltage, current, power, insulation and earthing resistance and equipment status, and handle over-level trip prevention, leakage protection, interlocking and remote control without fixed duty staff.

It covers general requirements, system structure with hardware and software configuration, functions from data collection and smart alarms to anti-misoperation locking and time synchronization, security protection, performance of the system, substations and protection devices, and environmental, power, lightning protection and earthing conditions.

It applies to the design, construction, equipment development and acceptance of such systems. Issued on 6 February 2023, it has applied since 6 August 2023.

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Document preview — NB/T 11106-2023

National Standard of the People's Republic of China

ICS: 73.100.99
Classification: D 98

Issued by: National Energy Administration of the People's Republic of China

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Abbreviations
5 General requirements
6 System structure and configuration
6.1 System Structure
6.2 Hardware configuration
6.3 Software configuration
7 Functional requirements
7.1 Data collection
7.2 Data processing
7.3 Operation monitoring
7.4 Smart Alarm
7.5 Operational Control
7.6 Anti-Mistake Locking
7.7 Operation Management
7.8 Auxiliary monitoring
7.9 Information transmission
7.10 Time Synchronization
8 Security Protection
9 Performance requirements
9.1 System performance
9.2 Substation performance
9.3 Performance of protection measurement and control devices for power supply and distribution equipment
10 Technical conditions
10.1 Environmental requirements
10.2 Power requirements
10.3 Lightning protection and grounding

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 for Standardization Documents" drafting.

1 Scope

This document specifies the general requirements, system structure and configuration, functional requirements, safety protection, Performance requirements and technical conditions.

This document is applicable to the design, construction, equipment development and acceptance.

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 2887 General Specifications for Computer Sites

GB/T 15663.11-2008 Coal Mine Technical Terminology Part 11. Coal Mine Electrical

DL/T 634.5104 Telecontrol equipment and systems Part 5-104. The transmission protocol adopts the standard transmission protocol set

IEC 60870-5-101 Network Access

DL/T 667 Telecontrol Equipment and System Part 5. Transmission Protocol Part 103. Supporting Standards for Information Interface of Relay Protection Equipment

DL/T 860 (all parts) Electric automation communication network and system

DL/T 1230 Power System Graphical Description Specification

DL/T 1512 Technical Specifications for Substation Measurement and Control Devices

DL/T 1708 Power System Sequence Control Technical Specifications

DL/T 5149-2020 Code for Design of Substation Monitoring System

NB/T 10051-2018 Coal Mine Power Supply Anti-Override Tripping System Regulations on Safety Protection of Electric Power Monitoring System (Decree No. 14 [2014] of the National Development and Reform Commission of the People's Republic of China)

3 Terms and Definitions

GB/T 15663.11-2008, NB/T 10051-2018 and the following terms and definitions apply to this document.

3.1 Unattended monitoring and control system of underground power supply

Mainly used to monitor grid voltage, current, power, power factor, temperature, grid insulation resistance, protective grounding resistance, status of power supply and distribution equipment state, over-level tripping and power-off, etc:, and implement functions such as anti-over-level tripping protection, leakage protection, power supply and distribution equipment locking control, and ground remote control, etc:, and There is no system for fixed operation and maintenance duty positions in the power supply and distribution area.

3.2 Master station

The central data processing device in the power supply unattended monitoring system.

Note: The master station can receive various monitoring data from sub-stations or local equipment, and process them, and can also issue control instructions and instructions to sub-stations and related equipment. Signal.

......
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

IEC 60870-5-101 · DL/T 667 · DL/T 860

Similar standards

NB/T 11646-2024|NB/T 11257-2023|GB/T 50417-2017|GB/T 37546-2019|NB/T 11527-2024|NB/T 11543-2024

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