Voltage Sag Region Study in Distributed Power Supply
Xining Lu, Hao Liu, Kai He, Qing Xu, Xiaolin Chen
Available Online June 2015.
- https://doi.org/10.2991/icecee-15.2015.137How to use a DOI?
- Voltage Sag; Distributed Power Supply; Sag Region; Photovoltaic Plant.
- This paper established two types of models of distributed power supply in PSCAD/EMTDC and connected these two power supplies in the power distribution networks with 18 nodes to simulate respectively under specified voltage control and specified power factor strategies. Then, the simulated data was loaded into Matlab to analyze and calculate. It can be concluded that the shorter the distance between the interconnected of photovoltaic plant and the sensitive points, the more significant compensation effect of voltage sag, the amplitude of the voltage sag went down with the temperature increase and went up with the illumination intensity increase. When the threshold value of the voltage sag’s 70% was obtained under specified voltage at the sag region and power factor control strategies based on root mean square value method, the connection of photovoltaic plant can effectively slow down the severity of the voltage sag, which makes the possibility of the influence of power distribution network on sensitive equipment largely go down. The bigger the capacity of the photovoltaic cell, the shorter distance between interconnected location and sensitive load, the smaller the sag depth at sensitive load locations, as well as the shorter the duration time of the sag.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Xining Lu AU - Hao Liu AU - Kai He AU - Qing Xu AU - Xiaolin Chen PY - 2015/06 DA - 2015/06 TI - Voltage Sag Region Study in Distributed Power Supply BT - 2015 2nd International Conference on Electrical, Computer Engineering and Electronics PB - Atlantis Press SN - 2352-538X UR - https://doi.org/10.2991/icecee-15.2015.137 DO - https://doi.org/10.2991/icecee-15.2015.137 ID - Lu2015/06 ER -