Title :
Combined compensation strategies based on instantaneous reactive power theory for reactive power compensation and load balancing
Author :
Li, Erxia ; Sheng, Wanxing ; Wang, Xiaojun ; Wang, Bin
Author_Institution :
China Electr. Power Res. Inst., Beijing, China
Abstract :
The compensation system introducing Δ-connected and Y-connected compensation networks can be used to eliminate negative sequence components and zero sequence components of unbalanced load currents and improve power factor to unity. To summarize the existing achievements, this paper applied instantaneous reactive power theory to the control strategies in compensation networks to improve power factor and load balancing. Simulation models of compensation networks and unbalancing load were established by PSCAD/EMTDC. Simulation results and theoretical analysis show that the proposed combined compensation strategies can effectively balance currents and correct power factor.
Keywords :
compensation; distribution networks; power factor; reactive power; PSCAD-EMTDC; Y-connected compensation network; combined compensation strategies; delta-connected compensation network; instantaneous reactive power theory; load balancing; negative sequence component elimination; power factor improvement; reactive power compensation; unbalanced load currents; zero sequence components; Equations; Load management; Mathematical model; Reactive power; Static VAr compensators; Voltage measurement; combined compensation; compensation networks; instantaneous reactive power theory; load unbalancing;
Conference_Titel :
Electrical and Control Engineering (ICECE), 2011 International Conference on
Conference_Location :
Yichang
Print_ISBN :
978-1-4244-8162-0
DOI :
10.1109/ICECENG.2011.6057765