MT/T 1041.2-2008 (English Version) PDF

Scope: This part of MT/T 1041 specifies the requirements, test methods, inspection rules, and markings for the frequency conversion speed regulating device of the traveling part of the shearer. This section applies to the frequency conversion speed regulating device of the traveling part of the coal shearer (hereinafter referred to as the frequency conversion speed regulating device).

MT/T 1041.2-2008 Referenced Document

AQ 1043-2007 Mining Products Safety Label
GB 12668.3-2003 Adjustable speed electrical power dive systems Part 3: EMC product standard including specific test methods
GB 14048.1-2006 Low-voltage switchgear and controlgear. Part 1: General rules
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres-Part 1: General requirements
GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres-Part 2: Flameproof enclosure "d"
GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres. Part 4: Intrinsic safety“i”
GB 4208-1993 Degrees of protection provided by enclosure (IP code)
GB/T 12668.2-2002 Adjustable speed electrical power drive systems Part 2: General requirements--Rating specifications for low voltage adjustable frequency a.c. power drive systems
GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products. Test Db:Damp heat,cyclic
MT/T 1040-2007 Specification for shearer varibale frequency adjustable speed definite purpose converter-fed YBVF series travel motors
MT/T 1041.1-2007 Specification for adjustable speed electrical equipment of shearer Part 1: General specification
MT/T 81-1998 Shearer-Specification of type inspection

2008 MT/T 1041.2-2008 Specification for adjustable speed electrical equipment of shearer.Part 2: Speed-adjustable equipment by variable voltage variable frequency
2008 MT/T 1041.2-2007 Technical conditions for electrical speed control devices of coal shearers Part 2: Frequency conversion speed control devices