高压电器2017，Vol.53Issue(6)：1-7,7.DOI:10.13296/j.1001-1609.hva.2017.06.001
±1 100kV直流电压互感器在线监测系统研究
On-line Monitoring System for ±1 100 kV DC Voltage Transformer
李坤 1邵明鑫 2汪本进 2吴士普 2徐思恩 2张传计1
作者信息
- 1. 华中科技大学电气与电子工程学院,武汉430074
- 2. 中国电力科学研究院,武汉430074
- 折叠
摘要
Abstract
UHVDC voltage transformer connects the primary transmission line and the control protection devices on secondary side.Its working state directly affects the operation performance of UHVDC system.So on-line monitoring is important for UHVDC voltage transformer'operation and maintenance.The experience from field operation shows that lightning disturbance,transformer flashover and capacitor breakdown are the key factors affecting the working condition of UHVDC voltage transformer.In this study,simulation and measurement are adopted to analyze the above three monitoring features,and a ±1 100 kV DC voltage transformer on-line monitoring system,including a multi-sensor and multi-feature extraction module and a fault waveforms storage and judgment module,is designed.Moreover,the transient performance of the designed air-core coil sensor is tested,and the measured waveform agrees well with the standard one.关键词
特高压直流/电压互感器/在线监测/特征量Key words
UHVDC/voltage transformer/on-line monitoring/features引用本文复制引用
李坤,邵明鑫,汪本进,吴士普,徐思恩,张传计..±1 100kV直流电压互感器在线监测系统研究[J].高压电器,2017,53(6):1-7,7.
