TY - GEN
T1 - On-line monitoring technology for the insulation condition of capacitive-type substation equipment
AU - Hao, Xi Wei
AU - Zhang, Guan Jun
AU - Zhang, Wei
AU - Dong, Ming
AU - Liu, Guang Yan
PY - 2008
Y1 - 2008
N2 - An on-line monitoring system for the insulation condition of capacitive-type equipment is described. The system adopts a distributed and layered multi-CPU structure, which is composed of the on-site measuring and processing unit, and data management and diagnosis system in the control room of substation. The on-site measuring and processing unit is based on DSP+FPGA hardware platform. Thus, the hardware design is simplified, the system is easy to be modified and updated, and the reliability is also raised. The windows and interpolation algorithm is applied to effectively reduce the influence of asynchronous sampling caused by frequency fluctuation of power system and to increase the precision. Moreover, many antijamming and protection methods are used in hardware and software design for the on-site intense electromagnetic field. Based on the simulation test conducted in the laboratory, the experimental results prove that measurement accuracy of the online monitoring system, which can meet the demand of on-site measurement.
AB - An on-line monitoring system for the insulation condition of capacitive-type equipment is described. The system adopts a distributed and layered multi-CPU structure, which is composed of the on-site measuring and processing unit, and data management and diagnosis system in the control room of substation. The on-site measuring and processing unit is based on DSP+FPGA hardware platform. Thus, the hardware design is simplified, the system is easy to be modified and updated, and the reliability is also raised. The windows and interpolation algorithm is applied to effectively reduce the influence of asynchronous sampling caused by frequency fluctuation of power system and to increase the precision. Moreover, many antijamming and protection methods are used in hardware and software design for the on-site intense electromagnetic field. Based on the simulation test conducted in the laboratory, the experimental results prove that measurement accuracy of the online monitoring system, which can meet the demand of on-site measurement.
KW - Capacitive-type equipment
KW - DSP+FPGA
KW - High accuracy FFT algorithm
KW - Measurement precision
KW - On-line monitoring
UR - https://www.scopus.com/pages/publications/51849145199
U2 - 10.1109/CMD.2008.4580508
DO - 10.1109/CMD.2008.4580508
M3 - 会议稿件
AN - SCOPUS:51849145199
SN - 9781424416219
T3 - Proceedings of 2008 International Conference on Condition Monitoring and Diagnosis, CMD 2008
SP - 1220
EP - 1223
BT - Proceedings of 2008 International Conference on Condition Monitoring and Diagnosis, CMD 2008
PB - IEEE Computer Society
T2 - 2008 International Conference on Condition Monitoring and Diagnosis, CMD 2008
Y2 - 21 April 2008 through 24 April 2008
ER -