用于变压器状态检测多参量传感的光纤绝缘纸系统
By designing an optical fiber insulating paper system and using multiple distributed bare sensing optical fibers and high-temperature resistant optical fibers, multi-parameter synchronous sensing of transformer status was achieved, solving the problem of mismatch between sensor and insulation design and improving the stability and accuracy of the sensor.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI JIAOTONG UNIV
- Filing Date
- 2022-07-12
- Publication Date
- 2026-07-17
AI Technical Summary
Existing fiber optic sensors cannot achieve simultaneous sensing of multiple parameters in transformer condition monitoring, and the insulation design of the sensors and transformers is incompatible, affecting their long-term stability and accuracy.
Multiple distributed bare sensing optical fibers are combined with high-temperature resistant optical fibers and an adhesive layer and an isolation layer to form an optical fiber insulating paper system. Temperature and deformation are separated and sensed by straight and curved optical fibers, and vibration sensing is achieved by etching fiber gratings. The whole system constitutes an optical fiber insulating paper and is installed on the transformer winding conductor.
It achieves high spatial resolution and high precision multi-parameter sensing, ensuring the reliability and insulation performance of optical fibers in transformers, and supporting multi-parameter live-state monitoring and diagnosis of transformers.
Smart Images
Figure CN115112263B_ABST