MT 644-1997
Active
MT/T 1214-2024
Active
Industry standards-Coal
MT/T 1214-2024 General specification for traction converter of continuous mining
MT/T 1214-2024 General specification for traction converter of continuous mining
Basic Information
Standard Code:
MT/T 1214-2024
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:
2024-12-25
Implement Date:
2025-06-25
Pages:
24 pages
Scope
This document specifies the models, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of the variable-frequency traction speed control device for continuous mining machines (hereinafter referred to as the "variable-frequency speed control device").
This document is applicable to the design, production, and inspection of variable-frequency traction speed control devices for continuous mining machines.
Development Information
Referenced Standards
GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle)
GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements
GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d”
GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e”
GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i”
GB/T 12668.3-2012 Adjustable speed electrical power drive systems—Part 3:EMC requirements and specific test methods
GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules
GB/T 14048.3-2017 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors，switch-disconnectors and fuse-combination units
GB/T 14549-1993 Quality of electric energy supply—Harmonics in public supply network
JB/T 4002-2013 Explosion-proof low-voltage electrical connector terminal。
JB/T 4262-1992 Explosion-proof electrical rubber-insulated cable introduction device
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