Standard No.:	MT/T 575-2011
English Name:	YBRB series flameproof three phases asynchronous motor for pump
Chinese Name:	YBRB系列 泵用隔爆型三相异步电动机
Professional Classification:	MT    Professional Standard - Coal
Issued by:	SAWS
Issued on:	2011-4-12
Implemented on:	2011-9-1
Status:	valid
Superseding:	MT/T 575-1996
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	120.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of YBRB series flameproof three phase asynchronous motor for pump (hereinafter referred to as motor). This standard is applicable to motors used for emulsion pump station and atomizing pump, as for motors used for shearer and development machine as well as other similar mechanical fuel pumps for mining purpose, this standard can be referred to. 2 Normative References The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document. GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods GB 755-2008 Rotating Electrical Machines - Rating and Performance GB/T 997-2008 Rotating Electrical Machines - Classification of Types of Construction Mounting Arrangements and Terminal Box Position of (IM Code) GB/T 1032-2005 Test Procedures for Three-phase Induction Motors GB/T 1993-1993 Cooling Methods for Rotating Electrical Machines GB/T 2423.4-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic (12h+12h Cycle) 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 GB/T 4772.1-1999 Dimensions and Output Series for Rotating Electrical Machines -Part 1: Frame Numbers 56 to 400 and Flange Numbers 55 to 1,080 GB/T 4942.1-2006 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP Code) - Classification GB 10068-2008 Mechanical Vibration of Certain Machines with Shaft Heights 56 Mm and Higher - Measurement Evaluation and Limits of Vibration Severity GB/T 10069.1-2006 Measurement of Airborne Noise Emitted by Rotating Electrical Machines and the Noise Limits Part 1: Method for the Measurement of Airborne Noise Emitted by Rotating Electrical Machines GB/T 10111-2008 Generation of Random Numbers and Procedures Applied to Sampling Inspection for Product Quality AQ 1043-2007 Mining Products Safety Label JB/T 9615.1-2000 Test Methods of the Inter-turn Insulation on Random Wound Winding for AC Low-voltage Machines JB/T 9615.2-2000 Test Limits of the Inter-turn Insulation on Random Wound Winding for AC Low-voltage Machines JB/T 10098-2000 Impulse Voltage Withstand Levels of Rotating A.C. Machines with Form-wound Stator Coils 3 Types and Basic Parameters 3.1 Types 3.1.1 Flameproof motor shall be manufactured according to the requirements of GB 3836.2-2000 with flameproof mark of Exd I. 3.1.2 The overall structure protection degree of the motor shall meet the IP55 specified in GB/T 4942.1-2006. 3.1.3 Cooling mode of motor is enclosure water cooling type or air cooling type, which shall meet the requirements of GB/T 1993-1993; the mark of cooling mode is IC3W7 or IC0141.

Foreword I 1 Scope 2 Normative References 3 Types and Basic Parameters 4 Technical Requirements 5 Test Methods 6 Inspection Rules 7 Marking, Packaging, Transportation and Storage Appendix A (Informative) Installation Dimension and Tolerance of Flameproof Three Phases Asynchronous Motor for Pump