MT 644-1997
Active
NB/T 10725-2021
Active
Industry standards-Energy
NB/T 10725-2021 Requirements and test methods of electromagnetic compatibility of electric and electronic products in the coal mine
NB/T 10725-2021 Requirements and test methods of electromagnetic compatibility of electric and electronic products in the coal mine
Basic Information
Standard Code:
NB/T 10725-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Special equipment and supplies for coal mines
ICS Name:
Other mining equipment
Publish Date:
2021-11-16
Implement Date:
2022-02-16
Pages:
20 pages
Scope
This document specifies the classification of test equipment for electromagnetic compatibility of electrical and electronic products used in coal mines, test conditions and equipment layout, interference limits and measurement methods, immunity and test methods, main test items, and safety, as well as test reports.
This document applies to electrical and electronic products and systems used underground in coal mines (hereinafter referred to as products or systems). This document does not apply to the fault state of the system.
Development Information
Referenced Standards
GB 4824-2019 Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement
GB/T 9254-2008 Information technology equipment—Radio disturbance characteristics—Limits and methods of measurement
GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 17626.3-2016 Electromagnetic compatibility—Testing and measurement techniques—Radiated,radio-frequency,electromagnetic field immunity test
GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test
GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test
GB/T 17626.6-2017 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields
GB/T 17626.7-2017 Electromagnetic compatibility—Testing and measurement techniques—General guide on harmonics and interharmonics measurements and instrumentation,for power supply systems and equipment connected thereto
GB/T 17626.11-2008 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips,short interruptions and voltage variations immunity tests
GB/T 17626.13-2006 Electromagnetic compatibility—Testing and measurement techniques—Harmonics and interharmonics including mains signalling at a.c. power port,low frequency immunity test
GB/T 17626.16-2007 Electromagnetic compatibility—Testing and measurement techniques—Test for immunity to conducted,common mode disturbances in the frequency range 0 Hz to 150 kHz
GB/T 17626.29-2006 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips, short interruptions and voltage variations on d.c .input power port immunity tests
GJB 151B-2013
MT/T 772-1998
GB/T 4365-2003 Electrotechnical terminology—Electromagnetic compatibility
YD/T 1312.1-2015 Wireless communication equipment electromagnetic compatibility requirements and measurement methods - Part 1: General requirements
YD/T 1312.1-2008 Wireless communication equipment electromagnetic compatibility requirements and measurement methods - Part 1: General requirements
YD/T 1483-2016 Technical requirements and measurement methods for stray emissions from radio equipment
YD/T 1312.1-2004 Wireless communication equipment electromagnetic compatibility requirements and measurement methods - Part 1: General requirements
GB/T 4365-2024 Electrotechnical terminology—Electromagnetic compatibility
YD/T 1312.1-2025 Wireless communication equipment electromagnetic compatibility requirements and measurement methods - Part 1: General requirements
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active