期刊
IEEE ACCESS
卷 9, 期 -, 页码 23489-23497出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.3046671
关键词
Load flow; Distribution networks; Steady-state; AC-DC power converters; Mathematical model; Analytical models; Voltage control; Multiple energy routers; distribution network; DC; DC transformer; alternate iterative; power flow calculation
资金
- National Natural Science Foundation of China (NSFC) [51807079]
Energy router is an emerging device based on power electronic technology for flexible distribution of electric energy in the power system. This paper proposes a steady-state model of a single energy router and a power flow equation with multiple energy routers, demonstrating that the network analysis model with multiple energy routers can improve network stability and flexibility.
Energy router is an emerging device based on power electronic technology, which can realize the flexible distribution of electric energy in the power system. Therefore, the use of energy routers to improve the operating conditions of the power system not only has broad development prospects, but also brings economic benefits. In this regard, this paper proposes a steady-state model of a single energy router and considers the loss of the DC/DC transformer, establishes a power flow equation with multiple energy routers, and proposes a distribution network power flow alternate iteration that takes into account multiple energy routers Calculation method. A case study of an improved IEEE-33 system with multiple energy routers under different working conditions is carried out. The calculation results show that the alternate iterative power flow calculation method used in this paper is effective and feasible, and it reasonably reflects that the network analysis model with multiple energy routers can achieve stable operation, and it can improve the node voltage and reduce the active power loss of the grid. It makes the operation of the distribution network more flexible.
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