This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of automatic speed adjustment devices for local ventilation fans in coal mines. This standard applies to automatic speed regulating devices for local ventilation fans in coal mines.
GB 3836.2 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB 3836.4 Explosive atmospheres.Part 4:Equipment protection by intrinsic safety "i"
GB 4208 Degrees of protection provided by enclosure(IP code)
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 10111 Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 12325 Power quality.Deviation of supply voltage
GB/T 12668.2 Adjustable speed electrical power drive systems Part 2: General requirements--Rating specifications for low voltage adjustable frequency a.c. power drive systems
GB/T 13384 General specifications for packing of mechanical and electrical product
GB/T 14549 Quality of electric energy supply harmonics in public supply network
GB/T 15543 Power quality.Three-phase voltage unbalance
GB/T 15945 Power quality.Frequency deviation for power system
GB/T 18039.3 Electromagnetic compatibility—Environment—Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems*, 2017-12-29 Update
GB/T 18039.4 Electromagnetic compatibility—Environment—Compatibility levels in industrial plants for low-frequency conducted disturbances*, 2017-12-29 Update
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 2423.4 Environmental testing for electrical and electronic products - Part 2: Test method Test Db alternating damp heat (12h + 12h cycle)
MT/T 1107-2011 history
2011MT/T 1107-2011 Automatic speed regulator for coal mining auxiliary fan