TY - GEN
T1 - Influence and modification of coupling device on low voltage power network channel characterization measurement
AU - Zheng, Tao
AU - Yang, Xiaoxian
AU - Zhang, Baohui
PY - 2005
Y1 - 2005
N2 - Channel characterization measurements of power line are often carried out when the power system is operation actively. So the coupling device is adopted to isolate the power frequency signal. Due to the impedance mismatch between the output of coupling device and power network, the energy of carrier signal will be attenuated, which causes much influence on the accuracy of measurement results. In this paper, it analyzes the error introduced by the coupling device for network impedance measurement, noise measurement and path loss measurement. A practical algorithm is proposed to correct the measurement deviation. It also points out that in path loss measurement, using the arbitrary waveform generator associated with spectrum analyzer will eliminate the influence of impedance mismatch automatically.
AB - Channel characterization measurements of power line are often carried out when the power system is operation actively. So the coupling device is adopted to isolate the power frequency signal. Due to the impedance mismatch between the output of coupling device and power network, the energy of carrier signal will be attenuated, which causes much influence on the accuracy of measurement results. In this paper, it analyzes the error introduced by the coupling device for network impedance measurement, noise measurement and path loss measurement. A practical algorithm is proposed to correct the measurement deviation. It also points out that in path loss measurement, using the arbitrary waveform generator associated with spectrum analyzer will eliminate the influence of impedance mismatch automatically.
KW - Coupling device
KW - Measurement methods
KW - Power line communications
UR - http://www.scopus.com/inward/record.url?scp=33746501917&partnerID=8YFLogxK
U2 - 10.1109/TDC.2005.1547109
DO - 10.1109/TDC.2005.1547109
M3 - Conference contribution
AN - SCOPUS:33746501917
SN - 0780391144
SN - 9780780391147
T3 - Proceedings of the IEEE Power Engineering Society Transmission and Distribution Conference
SP - 1
EP - 5
BT - Proceedings - 2005 IEEE/PES Transmission and DistributionConference and Exhibition - Asia and Pacific
T2 - 2005 IEEE/PES Transmission and DistributionConference and Exhibition - Asia and Pacific
Y2 - 15 August 2005 through 18 August 2005
ER -