Ultra-high voltage transformer vacuum oil treatment systems

Detection standards:

IEC 60076-3-2006: Part 3 of power transformers, power supplies, reactors, and similar products - Tap switches, Appendix N - Fault modes and classification in oil-immersed transformers, Appendix P - Integrity of oil-immersed transformers.

IEEE 57.104-2000: Concentration, odor value, sampling, and transportation of dissolved gases in power transformer oil.

IEEE 57.105-2000: Analysis and interpretation of dissolved gases in power transformer oil.

GB/T 1094.3-2003, Part 3 of power transformers: Insulation level, insulation test, and external insulation air gap.

National Electrical Manufacturers Association standard: NEMA PR M3641B.

Detection standards:

1.IEC 60076-3-2006: Part 3 of power transformers, power supplies, reactors, and similar products - Tap switches, Appendix N - Fault modes and classification in oil-immersed transformers, Appendix P - Integrity of oil-immersed transformers.

2.IEEE 57.104-2000: Concentration, odor value, sampling, and transportation of dissolved gases in power transformer oil.

3.IEEE 57.105-2000: Analysis and interpretation of dissolved gases in power transformer oil.

4.GB/T 1094.3-2003, Part 3 of power transformers: Insulation level, insulation test, and external insulation air gap.

5.National Electrical Manufacturers Association standard: NEMA PR M

Test objects:
Transformer oil: This is the core processing object of the ultra-high voltage transformer vacuum oil processing system, and it is necessary to conduct a comprehensive detection and evaluation of its performance indicators, water content, impurity particles, etc. through various detection and analysis means.
Vacuum oil processing system: This is the equipment for processing the transformer oil, and it is necessary to test and verify its various functions to ensure the normal operation of the system and that all indicators meet the design requirements.
Oil regeneration agent: This is a chemical agent used for the regeneration treatment of the oil, and it is necessary to detect and evaluate its performance and effect to ensure that it can effectively restore the performance of the oil.
Oil adsorbent: This is an adsorbent used for oil processing, and it is necessary to detect and evaluate its adsorption performance and effect to ensure that it can effectively remove impurities and gas in the oil.
Oil circulation pipeline: This is a pipeline system used for the oil circulation processing, and it is necessary to detect and evaluate its sealing performance, cleanliness, etc. to ensure that the oil is not contaminated during the circulation process.
Safety protection device: This is a device used to ensure the safe operation of the system, and it is necessary to test and verify its function and performance to ensure that it can respond in a timely manner and stop the machine under abnormal conditions.

Technical parameters:
Processing capacity: The processing capacity of the ultra-high voltage transformer vacuum oil processing system is generally about 10T/6h, and the specific processing capacity may vary due to the difference in system models and specifications.
Oil processing standards: The oil processed by the system needs to meet certain standards, such as the various detection indicators of the 500KV level transformer insulation oil, including the voltage withstand value, tgδ value, water content, gas content, filtering accuracy, etc. Among them, the voltage withstand value should be greater than or equal to 60kV, the tgδ value should be less than or equal to 0.1%, the water content should be less than or equal to 5ppm, the gas content should be less than or equal to 0.1%, and the filtering accuracy should be less than or equal to 5μm.
Ultimate vacuum degree: The system needs to reach a certain ultimate vacuum degree when processing the oil, generally ≤15Pa.
Commonly used vacuum degree: The commonly used vacuum degree required for the normal operation of the system is generally ≤50Pa.
Oil temperature: The temperature of the oil processed by the system should be controlled between 65-75 ℃.