Title :
Measurement-based modeling of traction power supply system
Author :
Zhang YongWang ; Chen Ruimin ; Xiao Yong ; Zhao Wei ; Li Xinran ; Zhang GuangDong
Author_Institution :
Electr. Power Res. Inst. of Guangdong Power Grid Corp., Guangzhou, China
Abstract :
As the rapid development of electrified railway, the proportion of traction loads in the power system is increasing, which imposes some hazardous effect to power system stability. Power system simulation is believed as an indispensable tool for power system planning, design, operation, research etc. Therefore, it is a important factor of research on the influence of traction loads to power system, which is how to construct the load model accurately reflecting the synthesis load characteristics of traction loads. To settle the time-variation problem of traction load in measurement-based load modeling, this paper uses the method of classification and synthesis for dynamic load characteristics. A novel improved load model is introduced based on the actual load structure of the traction power supply system. By the parameters identification, this paper provides recommended parameters of several different traction conditions. The results of a instance verify the improved description of measured data and the effectiveness and rationality of the method of the classification and synthesis. This paper provides the foundation of the research on the influence of traction loads to power system and putting forward corresponding measures.
Keywords :
load (electric); power system measurement; railway electrification; traction power supplies; electrified railway; load characteristics; measurement based load modeling; measurement based modeling; power system simulation; power system stability; time-variation problem; traction load; traction power supply system; Induction motors; Load modeling; Power measurement; Power system dynamics; Reactive power; Traction motors; Traction power supplies; classification and synthesis; measurement-based modeling; recommended parameters; traction load;
Conference_Titel :
Advanced Power System Automation and Protection (APAP), 2011 International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-9622-8
DOI :
10.1109/APAP.2011.6180727