MT/T 1041.1-2007 (English Version) PDF

Scope: This part of MT/T1041 stipulates the terms and definitions and general technical requirements for the electrical speed control device of the traveling part of the coal shearer (hereinafter referred to as the electrical speed control device), that is all the contents considered to be basic requirements for various types of electrical speed control devices , as well as items with broad significance and common functional uses, such as explosion-proof requirements, temperature ris , dielectric properties, speed regulation (load) characteris ics, etc. This section applies to the following types of electrical speed regulating devices in the traveling part of the coal shearer: a) Frequency conversion speed regulating device; b) Electromagnetic speed regulating device; c) Switched reluctance speed regulating device.

MT/T 1041.1-2007 Referenced Document

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 3836.3-2000 Electrical apparatus for explosive gas atmospheres-Part 3:Increased safety "e"
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 14048.1-2000 Low-voltage switchgear and controlgear. General rules
GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products. Test Db:Damp heat,cyclic
MT/T 81-1998 Shearer-Specification of type inspection

2007 MT/T 1041.1-2007 Specification for adjustable speed electrical equipment of shearer Part 1: General specification