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NB/T 11437-2023 English PDF

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NB/T 11437-2023: Voltage conversion and protection devices of explosion-proof iron removers used in mines
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PDF similar to NB/T 11437-2023


Standard similar to NB/T 11437-2023

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Basic data

Standard ID NB/T 11437-2023 (NB/T11437-2023)
Description (Translated English) Voltage conversion and protection devices of explosion-proof iron removers used in mines
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard D98
Classification of International Standard 29.260.20
Word Count Estimation 22,231
Date of Issue 2023-12-28
Date of Implementation 2024-06-28
Issuing agency(ies) National Energy Administration

NB/T 11437-2023: Voltage conversion and protection devices of explosion-proof iron removers used in mines


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
NB/T 11437-2023 English version. Voltage conversion and protection devices of explosion-proof iron removers used in mines ICS 29.260.20 CCSD98 Energy Industry Standards of the People's Republic of China Voltage conversion and protection device for explosion-proof iron remover for mining inmines Released on 2023-12-28 2024-06-28 implementation The National Energy Administration released

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product classification and technical parameters 1 5 Technical Requirements 2 6 Test methods 11 7 Inspection Rules 13 8 Marking, packaging, transportation and storage 14

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 is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Coal Industry Association. This document is under the jurisdiction of the Coal Industry Coal Mine Safety Standardization Technical Committee. This document was drafted by. China Coal Technology and Engineering Group Shenyang Research Institute Co., Ltd., Baotou Xingguang Magnetic Mining Equipment Co., Ltd., Anbiao Guo Mining Product Safety Marking Center Co., Ltd., Fushun China Coal Technology and Engineering Testing Center Co., Ltd., Chongqing Safety Standard Testing Institute Co., Ltd., Shenyang University of Technology, Shandong Huate Magnetics Technology Co., Ltd., Liaoning Product Quality Supervision and Inspection Institute, Shandong University, Shanxi Ji'an Electric Co., Ltd., Shanxi Huaxin Electric Co., Ltd. The main drafters of this document are. Zhang Hongkui, Qin Yan, Zhang Yue, Li Yan, Chen Qing, Tong Wenming, Song Zhansong, Zhang Zhigang, Wang Shuai, Kang Liying, Ju Zhe, Luo Tienan, Wang Shan, Zu An, Sun Feng, Shi Lei, Yang Huasong, Wang Yanhe, Zhang Yujia, Li Tongzhe, Xiao Yang, Wang Yukun, Liu Fengliang, Li Bo, Chang Haiying, Huang Xiaoting, Zhu Jianfeng, Li Hui, Yuan Guangquan, Zhao Xuliang, Jin Xin, Meng Fangui, Zhou Ran, Wang Jinghao, Zhao Lei. Voltage conversion and protection device for explosion-proof iron remover for mining

1 Scope

This document specifies the product classification and technical parameters of the voltage conversion and protection device for explosion-proof iron removers for mining (hereinafter referred to as the "device"). Numbers, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This document is applicable to the voltage conversion and protection device of mining explosion-proof iron remover used in coal mines and non-coal mine workplaces.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2423.4-2008 Environmental testing for electric and electronic products Part 2.Test methods Test Db. Cyclic damp heat (12h 12h cycle) GB/T 3836.1-2021 Explosive atmospheres Part 1.General requirements for equipment GB/T 3836.2-2021 Explosive atmospheres Part 2.Equipment protected by flameproof enclosure "d" GB/T 3836.3-2021 Explosive atmospheres Part 3.Equipment protected by increased safety "e" GB/T 3836.4-2021 Explosive atmospheres Part 4.Equipment protected by intrinsic safety type "i" GB/T 4208-2017 Enclosure protection grade (IP grade code) GB/T 9969 General principles for instructions for use of industrial products GB/T 10111 Generation of random numbers and their application in product quality sampling inspection GB/T 14048.1-2023 Low-voltage switchgear and controlgear Part 1.General GB/T 14048.4-2020 Low-voltage switchgear and controlgear Part 4-1.Electromechanical contactors and motor starters Contactors and motor starters (including motor protection) AQ1043 Mining Product Safety Signs and Labels JB/T 501-2020 Power Transformer Test Guidelines

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Voltage conversion and protection device voltageconversionandprotectiondevice Converts input power into AC and DC outputs of different amplitudes, and provides overload and short-circuit protection for DC and AC circuits. Energy control device.

4 Product classification and technical parameters

4.1 Explosion-proof type and explosion-proof mark 4.1.1 Mining flameproof type ExdbIMb.

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