采用油溶性聚倍半硅氧烷提升天然酯绝缘油击穿电压的方法
By adjusting the content and branch length of polysilsesquioxane, and modifying natural ester insulating oil using a precipitation method, the problem of insufficient breakdown voltage of plant-based insulating oil was solved, and the stability and breakdown voltage of the insulating oil were improved.
CN116978631BActive Publication Date: 2026-07-17CHONGQING UNIV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHONGQING UNIV
- Filing Date
- 2023-08-22
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies are insufficient to effectively improve the breakdown voltage of vegetable insulating oils, which affects the safe operation and environmental performance of power transformers.
Method used
Oil-soluble polysilsesquioxane was mixed with natural ester insulating oil and silica gel by precipitation method. The content and branch length of polysilsesquioxane were adjusted to improve its dispersion stability in insulating oil.
Benefits of technology
It significantly improves the breakdown voltage of natural ester insulating oil, ensures the long-term stable dispersion of polysilsesquioxane in insulating oil, and improves insulation performance.
✦ Generated by Eureka AI based on patent content.
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Abstract
本发明涉及一种采用油溶性聚倍半硅氧烷提升天然酯绝缘油击穿电压的方法，具体步骤为：S1：对天然酯绝缘油和二氧化硅凝胶进行真空干燥脱水预处理；S2：采用沉淀法将天然酯绝缘油和二氧化硅凝胶以及聚倍半硅氧烷按比例混合后进行加热搅拌，静置反应生成沉淀后，再过滤得到混合物沉淀，进行超声分散并经脱水、脱气处理后，获得聚倍半硅氧烷改性天然酯绝缘油。该方法通过对聚倍半硅氧烷进行改性，改变聚倍半硅氧烷含量和支链长度从而改善天然酯绝缘油击穿电压。
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