TY - GEN
T1 - Control strategy for autonomous operation of three-phase inverters dominated microgrid under different line impedance
AU - Guan, Yajuan
AU - Wang, Yibo
AU - Yang, Zilong
AU - Cao, Rui
AU - Xu, Honghua
PY - 2011
Y1 - 2011
N2 - The traditional power droop controllers are commonly used in distributed generation (DG) units to share the loads among the parallel inverters. However, the parameters of the power transmission and distribution line in microgrid are small and generally presented high resistance-to-inductance (R/X) ratio which will seriously influence the performance of the traditional power droop controller, even leading to instability. In this paper, the control strategies for parallel inverters under the inductive and resistance line impedance are researched contrastively based on the small signal models of the power loop. The employed droop scheme can maintain the load sharing capability under different line impedance. These theoretical findings are eventually verified experimentally on laboratory prototypes.
AB - The traditional power droop controllers are commonly used in distributed generation (DG) units to share the loads among the parallel inverters. However, the parameters of the power transmission and distribution line in microgrid are small and generally presented high resistance-to-inductance (R/X) ratio which will seriously influence the performance of the traditional power droop controller, even leading to instability. In this paper, the control strategies for parallel inverters under the inductive and resistance line impedance are researched contrastively based on the small signal models of the power loop. The employed droop scheme can maintain the load sharing capability under different line impedance. These theoretical findings are eventually verified experimentally on laboratory prototypes.
UR - http://www.scopus.com/inward/record.url?scp=83355175779&partnerID=8YFLogxK
U2 - 10.1109/ICEMS.2011.6073435
DO - 10.1109/ICEMS.2011.6073435
M3 - Article in proceeding
AN - SCOPUS:83355175779
SN - 9781457710445
T3 - 2011 International Conference on Electrical Machines and Systems, ICEMS 2011
BT - 2011 International Conference on Electrical Machines and Systems, ICEMS 2011
T2 - 2011 International Conference on Electrical Machines and Systems, ICEMS 2011
Y2 - 20 August 2011 through 23 August 2011
ER -