Detection range
Double winding transformers, oil immersed transformers (flame retardant, non flame retardant), dry type transformers, 110kVSF6 gas insulated transformers, etc
Inspection items
Appearance quality, rated voltage, temperature rise test, impedance voltage, overload detection, heat dissipation, etc
List of Testing Standards
GB/T 1094.1-2013 Power Transformers - Part 1: General
GB/T 1094.2-2013 Power Transformers - Part 2: Temperature Rise of Liquid Immersed Transformers
GB/T 1094.3-2017 Power Transformers - Part 3: Insulation Levels Insulation Testing and External Insulation Air Gap
GB/T 1094.4-2005 Power Transformers - Part 4: Guidelines for Lightning Impulse and Switching Impulse Testing of Power Transformers and Reactors
GB/T 1094.5-2008 Power Transformers - Part 5: Ability to withstand Short Circuits
GB/T 1094.6-2011 Power Transformers - Part 6: Reactors
GB/T 1094.7-2008 Power Transformers - Part 7: Oil Immersed Power Transformers - Negative Load Guide
GB/T 1094.10-2003 Power Transformers - Part 10: Determination of Sound Level
GB/T 1094.11-2007 Power Transformers - Part 11: Dry Type Transformers
GB/T 1094.12-2013 Power Transformers - Part 12: Load Guide for Dry Type Power Transformers
GB/Z 1094.14-2011 Power Transformers - Part 14: Design and Application of Liquid Immersed Transformers Using High Temperature Insulation Materials
GB/T 1094 15-2020 Power Transformers - Part 15: Inflatable Power TransformersGB/T 1094.16-2013 Power Transformers - Part 16: Transformers for Wind Power Generation
GB/T 1094.18-2016 Power Transformers - Part 18: Frequency Response Measurement
GB/T 1094.23-2019 Power Transformers - Part 23: DC Bias Suppression Devices
GB/T 1094.101-2008 Power Transformers - Part 10.1: Application Guidelines for Sound Level Measurement
GB/T 3859.3-2013 General Requirements for Semiconductor Converters and Grid Commutated Converters - Part 1-3: Transformers and Reactors
GB 4793.1-2007 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 1: General Requirements
GB/T 6451-2015 Technical Parameters and Requirements for Oil Immersed Power Transformers
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