一种基于KH550表面修饰纳米粒子改性天然酯绝缘油的制备方法
By modifying natural ester insulating oil with nano-TiO2 on the surface of KH550, the problems of high dielectric loss and poor oxidation stability of natural ester insulating oil are solved, and the improvement of high breakdown voltage, low dielectric loss and aging resistance is achieved, thus extending the service life of equipment.
CN119570549BActive Publication Date: 2026-07-17ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD
- Filing Date
- 2024-12-17
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Natural ester insulating oils have high dielectric loss and poor oxidation stability, which affects their widespread promotion and application in power systems.
Method used
A method for preparing modified natural ester insulating oil using KH550 surface-modified nanoparticles was adopted. Modified natural ester insulating oil was prepared by mixing KH550 surface-modified nano-TiO2 with natural ester insulating oil.
Benefits of technology
Modified natural ester insulating oil exhibits high breakdown voltage, low dielectric loss, good electric field carrying capacity, and aging resistance, thus extending the service life of equipment.
✦ Generated by Eureka AI based on patent content.
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Figure CN119570549B_ABST
Abstract
本申请涉及绝缘油技术领域，具体公开了一种基于KH550表面修饰纳米粒子改性天然酯绝缘油的制备方法，通过将KH550表面修饰纳米粒子与含有VR100菜籽基绝缘油和PFAE绝缘油的基液混合，最终得到改性天然酯绝缘油。KH550表面修饰纳米粒子改性天然酯绝缘油具备击穿电压高、介质损耗低、体积电阻率低的特性，进入老化阶段后，该改性天然酯绝缘油的优势依然稳固。与现有技术相较，本申请所涉及的基于KH550表面修饰纳米粒子改性天然酯绝缘油展现出更为强劲的耐老化效能，可精准契合电气设备多样化需求，大幅延长设备的使用周期，解决了现有的天然酯绝缘油介质损耗高、氧化稳定性欠佳的问题。
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