Title :
Design and realization of an on-line monitoring system for over-voltage in distribution grids
Author :
Yao, Chenguo ; Sun, Caixin ; Shibin Wang ; Mi, Yan ; Chen, Pan
Author_Institution :
Key Lab of High Voltage Eng. & Electr. New Technol., Chongqing Univ., China
Abstract :
The design and realization of an on-line monitoring system for over-voltage of distribution grids was introduced. This device can monitor waveforms of varied over-voltage on 10 kV bus bar, monitor internal and atmospheric over-voltage, has high frequency response, short response time, and flexible adjustment of parameters. The system has become a long term and stable system in the Chongqing power grid. It can reflect the real over-voltages in power systems objectively and has provided strong scientific evidence for experts when analyzing insulation failures.
Keywords :
frequency response; power distribution faults; power system measurement; 10 kV; Chongqing power grid; atmospheric over-voltage; distribution grid over-voltage; high frequency response; insulation failures; on-line monitoring system; Atmospheric waves; Circuits; Computerized monitoring; Condition monitoring; Data acquisition; Delay; Failure analysis; Frequency; Protection; Voltage;
Conference_Titel :
Electrical Insulation, 2004. Conference Record of the 2004 IEEE International Symposium on
Print_ISBN :
0-7803-8447-4
DOI :
10.1109/ELINSL.2004.1380610
