Application of interior point methods to power flow unsolvability

被引：114
|
作者：
Granville, S
Mello, JCO
Melo, ACG
机构：
[1] CEPEL - Centro de Pesquisas de Energia Elétrica, CEP 20 001.970 - Rio de Janeiro - RJ
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 1996年 / 11卷 / 02期
关键词：
power flow solvability; optimal power flow; interior points methods; probabilistic analysis;
D O I：
10.1109/59.496200
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes an application of an optimal power flow, solved by a direct interior point (IP) method, to restore system solvability. Using the P-Q load representation, power flow unsolvability occurs when for a given set of active and reactive bus injections; the power flow equations have no real solution. The set of control actions in the IP algorithm includes rescheduling of active power of generators, adjustments on terminal voltage of generators, tap changes on LTC transformers, and as a last resort, minimum load shedding. The IP formulation allows to observe the impact of each control optimization in system solvability. It is also described a framework to calculate probabilistic indicators of solvability problems take into account the probability of contingencies. The role of control optimization is illustrated in a real 11-bus system and the probabilistic approach is applied to a 1600-bus system derived from the Brazilian South/Southeast/Central West system.
引用
收藏
页码：1096 / 1103
页数：8
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