GB/T 9089.1-2021Electrical installations for outdoor sites under heavy conditions—Part 1: Vocabulary (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.

This document is Part 1 of GB/T 9089 "Electrical Facilities under Harsh Outdoor Conditions". GB/T 9089 has released the following part.

---Part 1: Terminology;

---Part 2: General protection requirements;

---Part 3: General requirements for equipment and accessories;

---Part 4: Device requirements;

---Part 5: Operational requirements.

This document replaces GB/T 9089.1-2008 "Electrical facilities under severe outdoor conditions Part 1: Scope and definitions", and Compared with GB/T 9089.1-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.

---Changed the name of the file;

--- Changed the description of the scope (see Chapter 1, Chapter 1 of the 2008 edition);

--- The explanation of "safety" and "protection" has been deleted (see Chapter 3, Chapter 3 of the 2008 edition);

---Changed the terms related to electrical equipment, three types of operators, live parts, shells, barriers, conductors, overhead lines, and working systems Definition (see 3.3, 3.4, 3.8, 3.9, 3.10, 3.17, 3.18, 3.19, 3.26, 3.27, 3.28, 3.31, 3.32, 3.33, 3.34, 3.43, 3.44, 3.45, 3.46, 3.47, 3.49, 3.50, 3.51, 3.58, 3.59, 3.63, the 2008 version of 3.3, 3.4, 3.10, 3.9, 3.8, 3.17, 3.16, 3.18, 3.25, 3.26, 3.27, 3.30, 3.31, 3.32, 3.33, 3.42, 3.43, 3.44, 3.46, 3.45, 3.48, 3.49, 3.50, 3.57, 3.58, 3.62);

---Added the terms and definitions of "authorized personnel" (see 3.11).

Introduction

GB/T 9089 "Electrical facilities under severe outdoor conditions" is to determine the It is formulated based on the requirements for the operation and installation of electrical equipment and systems, and generally includes the following electrical equipment and systems.

a) Mining, stacking and preliminary processing machinery;

b) Secondary processing machinery;

c) Conveying system;

d) Drainage and water supply system;

e) Mobile railway system;

f) Fixed railway system (only refers to operation);

g) Electric truck;

h) Power generation and distribution equipment;

i) Control, monitoring, signal and communication systems; j) Auxiliary equipment.

GB/T 9089 aims to provide guidelines for the installation and operation of electrical equipment and systems under severe outdoor conditions to ensure that The safety of the equipment and the normal operation of the equipment. GB/T 9089 is composed of five parts.

---Part 1: Terminology. The purpose is to give GB/T 9089 terms and definitions used in electrical installations under severe outdoor conditions.

---Part 2: General protection requirements. The purpose is to show that electrical facilities under normal operation and failure conditions under severe outdoor conditions, To ensure personal safety from electric shock protection and the selection requirements of protective devices and systems.

---Part 3: General requirements for equipment and accessories. The purpose is to provide electrical components, rotating motors, transformers under severe outdoor conditions General equipment, static converters, switching appliances, cables and related components, brake circuits, safety circuits, fire protection systems, etc. Require.

---Part 4: Device requirements. The purpose is to give requirements for mining, stacking and preliminary processing machinery and conveying systems.

---Part 5: Operational requirements. The purpose is to give the normal operating procedures to ensure personal safety.

This document is Part 1 of GB/T 9089, which defines the terms and definitions of electrical facilities under severe outdoor conditions.

1 Scope

This document defines the terms and definitions of electrical installations under severe outdoor conditions.

This document is suitable for the preparation and revision of electrical facilities standards under severe outdoor conditions, the preparation of technical documents, the preparation and translation of professional manuals, etc.

It is used by personnel in related departments such as production, scientific research, and use of electrical facilities under severe outdoor conditions.

2 Normative references

There are no normative references in this document.

3 Terms and definitions