面向电力设备检测与诊断的压电材料及器件  

Piezoelectric Materials and Devices for Monitoring and Diagnosis of Power Equipment

作　　者：柴彬 刘飞[1] 江平开[1] 江秀臣[2] 黄兴溢[1,2] CHAI Bin;LIU Fei;JIANG Pingkai;JIANG Xiuchen;HUANG Xingyi(Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing,Shanghai Jiao Tong University,Shanghai 200240,China;State Energy Smart Grid(Shanghai)R&D Center,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]上海交通大学上海市电气绝缘与热老化重点实验室,上海200240 [2]上海交通大学国家能源智能电网(上海)研发中心,上海200240

出　　处：《中国电力》2021年第10期105-116,共12页Electric Power

基　　金：国家自然科学基金资助项目(51522703);国家电网有限公司科技项目(SGSHDK00SPJS2100196)。

摘　　要：随着中国智能电网建设不断推进及电网规模的扩大,以压电材料为核心的传感器和能量采集器在电力系统在线监测、故障检修、无线传感器网络等方面扮演着越来越重要的角色。从电力检测和传感器自取能出发,回顾近年来基于压电效应的电压电场传感器、声检测和环境能量采集装置的研究进展并介绍了压电陶瓷、压电驻极体、压电复合材料等传统和新兴的压电材料。在现有研究基础上,指出在智能电力系统建设中各类压电器件所面临的挑战,包括频率匹配、环境适应性和集成化等,需要新的微纳加工技术、探索压电效应与其他物理效应耦合、设计新型压电材料和能量收集电路来助力新型压电器件的实际应用。With the development of China’s smart grid and the expansion of grid scale,piezoelectric material based sensors and energy harvesters are playing an increasingly important role in online monitoring,troubleshooting and wireless sensor network.In this article,from the perspective of grid monitoring and self-powered sensors,an investigation is conducted on the recent research progress of voltage and electric field sensors,acoustic detection and environmental energy harvesters,and an introduction is also made to the traditional and newly-emerged piezoelectric materials such as inorganic piezoelectric ceramics,piezoelectrets,and piezoelectric composites.On the basis of current researches,the challenges encountered in the field of piezoelectric devices for smart power systems are pointed out,including frequency matching,environment stability and integration,etc.The practical application of new piezoelectric devices will need the assistance of emerging nano processing technologies,exploring the coupling effect of piezoelectric effect and other physical effects,designing new piezoelectric materials and energy harvesting circuits.

关 键 词：压电效应 压电材料 复合材料 压电传感器 能量采集器 智能电网 

分 类 号：TB34[一般工业技术—材料科学与工程] TM507[电气工程—电器]