How to carry out testing on rated voltage 500kV cross-linked polyethylene insulated power cables and their accessories? What are the testing standards and items? Today, Baijia.net will introduce to you the testing of rated voltage 500kV cross-linked polyethylene insulated power cables and their accessories
Testing items and standards:
Conductor resistance GB/T 5023.2-2008
Finished cable 1500V voltage test GB/T 5023.2-2008
Insulation core 1500V voltage test GB/T 5023.2-2008
Insulation resistance GB/T 5023.2-2008
Structural inspection JB/T 8734.1-2016
Conductor continuity test GB/T 5023.2-2008
Insulation thickness GB/T 5023.2-2008
Sheath thickness GB/T 5023.2-2008
Outer diameter or external dimensions GB/T 5023.2-2008
Pre aging tensile test GB/T 2951.12-2008
Post aging tensile test GB/T 2951.11-2008
Weight loss test GB/T 2951.32-2008
High temperature pressure test GB/T 2951.31-2008
Low temperature elasticity and impact strength GB/T 2951.14 2008
Insulated edge low-temperature bending test GB/T 2951.14 2008
Low temperature impact test of finished cables GB/T 2951.14 2008
Thermal impact test GB/T 2951.31-2008
Insulation Edge wire core tear off test JB/T 8734.1-2016
Non flame retardant test GB/T 18380.12-2008
Mark abrasion resistance test GB/T 5023.2-2008
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