1、 Purpose: Through maintenance, ensure that the entire transformer equipment meets quality standards and is used normally on site
Secondly, homework content:
1. Preparation before maintenance: tools, test bench startup, electric soldering iron heating, etc 2. Check the appearance of the equipment and ensure that the casing is free of cracks and damage, and the oil decoration is in good condition Before maintenance, conduct power on testing, test various indicators, and verify data Open the lid inside the 4 boxes for inspection After maintenance, conduct electrical characteristic testing, connect the entire machine to a testing bench for testing and power on inspection 6 Insulation test
III. Operation Materials and Tools
1. A 150mm liveday wrench 2 One sleeve 4T, one ST, and one sleeve 6T each One electric soldering iron 3OW and one electric soldering iron 45W each. 4. One 20mm brush and five. Screwdrivers 10Omm and 200mm each, 1 pointed nose pliers, 1 combination pliers, and 1 multimeter
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