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摘要
The branch flow based optimal power flow (OPF) problem in radially operated distribution networks can be exactly relaxed to a second-order cone programming model without considering transformers. However, the introduction of nonlinear transformer models will make the OPF model nonconvex. This letter presents an exact linearized transformer's on-load tap-changer model to keep the OPF model convex via a binary expansion scheme and big-M method. Validity of the proposed method is verified using IEEE 33-bus test network.
- 出版日期2017-5
- 单位清华大学
