This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of mining electric locomotive driver controllers (hereinafter referred to as driver controllers). This standard is applicable to the driver controller of mining electric locomotives. This standard does not involve the assessment of electronic devices. For controllers equipped with electronic devices, the corresponding requirements are specified by the product enterprise standard. The clauses in the following documents are referred to as provisions of this standard through normative references. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 762-2002 Standard Current Rating (eqv IEC 60059: 1999) GB/T 2423.4-1993 Basic Environmental Testing Procedures for Electrical and Electronic Products Test Db: Alternating Damp Heat Test Method (eqv IEC68-2-30:1980) GB 3836,1-2000 Electrical Equipment for Explosive Gas Atmospheres, Part I: General Requirements (eqv IEC 60079-0:1998) GB 3836.2-2000 Electrical Equipment for Explosive Gas Atmospheres, Part 2: Flameproof Type "d" (eqv IEC 60079-11990) GB 3836,3-2000 Electrical Equipment for Explosive Gas Atmospheres, Part 3: Increased Safety "e" (eqv IEC 60079-71990) GB 4208 · Degrees of Protection Provided by Enclosures (IP Code) GB 12173-1990 General Electrical Equipment for Mining GB 14048.1-2006 Low Voltage Switchgear and Control Equipment, Part 1: General (IEC 60947-1:2001, MOD) MT/T 661-1997 General Technical Conditions for Electrical Equipment Used in Coal Mines
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China