NB/T 10539-2021Mining flameproof converter substation (English PDF)

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 explosion-proof transformer substation for mining (hereinafter referred to as "converter substation") and its components, namely the explosion-proof transformer substation for mining Dry-type transformers for flow substations (hereinafter referred to as "converter transformers"), high-voltage vacuum switches for mine explosion-proof mobile substations (hereinafter referred to as "High-voltage vacuum switch"), cable connectors for mine explosion-proof mobile substations (hereinafter referred to as "cable connectors") and mine explosion-proof transformers The product model, technical requirements, test methods, inspection rules and signs, packaging, Transportation and storage.

This document applies to converter substations equipped with converter transformers, high-voltage vacuum switches and low-voltage protection boxes used underground in coal mines.

This document can be referred to for converter substations with high and low voltage configurations.

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 191 Packaging, storage and transportation pictorial signs

GB/T 1094.1-2013 Power Transformer Part 1: General Rules

GB/T 1094.11-2007 Power Transformer Part 11: Dry-type Transformer

GB/T 2900.1 Basic terminology for electrical engineering

GB/T 2900.18 Electrician terminology low-voltage electrical appliances

GB/T 2900.19 Electrical terminology high voltage test technology and insulation coordination

GB/T 2900.20 Electrical terminology high-voltage switchgear and control equipment

GB/T 2900.35 Electrical terminology equipment for explosive atmospheres

GB/T 2900.95 Electrotechnical terminology transformers, voltage regulators and reactors

GB 3836.1 Explosive Atmosphere Part 1: General Requirements for Equipment

GB 3836.2 Explosive atmosphere Part 2: Equipment protected by flameproof enclosure "d"

GB 3836.3 Explosive atmosphere Part 3: Equipment protected by increased safety "e"

GB/T 8286-2017 Explosion-proof mobile substation for mine

GB/T 11022 Common technical requirements for high-voltage switchgear and control equipment standards

GB/T 14048.1 Low-voltage switchgear and control equipment Part 1: General

GB/T 16927.1 High Voltage Test Technology Part 1: General Definitions and Test Requirements

GB/T 18494.1-2014 Converter Transformer Part 1: Industrial Converter Transformer

AQ1043 Mining product safety mark identification

JB/T 8739 Flameproof high-voltage power distribution device for mine

JB/T 10088-2016 6kV~1000kV power transformer sound level

MT/T 661-2011 General technical requirements for electrical equipment used in underground coal mines MT871 mine explosion-proof low voltage AC vacuum feed switch

3 Terms and definitions

GB/T 2900.1, GB/T 2900.18, GB/T 2900.19, GB/T 2900.20, GB/T 2900.35, GB/T 2900.95,