Impact of Synchronization Phase Dynamics on DQ Impedance Measurement

Hong Gong, Dongsheng Yang, Xiongfei Wang

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

6 Citationer (Scopus)
101 Downloads (Pure)

Abstrakt

Small-signal stability assessment of the three-phase system can be performed using the measured impedances of the load and source. To obtain the dc steady-state operation point, the impedances are measured in the rotating dq-frame, and the phase angle is needed for the coordinate transformation used in both the perturbation injection and the impedance calculation. However, the phase estimation may introduce additional dynamics, affecting the accuracy of impedance measurement. This paper investigates the impact of phase synchronization dynamics on the measured impedance results. It is revealed that the phase variations in the perturbation injection has little effect on the measured impedance, while the phase dynamics introduced in the impedance calculation may have a significant impact. Based on impedance transformation, a new impedance calculation method is proposed, which can reduce the errors caused by the phase dynamics. Finally, the simulation and experiment results verify the accuracy of the analytical results and the effectiveness of the proposed method.
OriginalsprogEngelsk
Titel2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018
Antal sider7
ForlagIEEE Press
Publikationsdatojun. 2018
Sider1-7
Artikelnummer8458487
ISBN (Trykt)978-1-5386-5542-9
ISBN (Elektronisk)978-1-5386-5541-2
DOI
StatusUdgivet - jun. 2018
Begivenhed19th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2018 - Padova, Italien
Varighed: 25 jun. 201828 jun. 2018

Konference

Konference19th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2018
LandItalien
ByPadova
Periode25/06/201828/06/2018
NavnIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

Fingeraftryk Dyk ned i forskningsemnerne om 'Impact of Synchronization Phase Dynamics on DQ Impedance Measurement'. Sammen danner de et unikt fingeraftryk.

Citationsformater