The dynamic variables and static variables are weakly coupled in dynamic optimal power flow problem.

Therefore, the optimal power flow in a time horizon should be formulated and solved as a unified problem, dynamic optimal power flow (OPF) problem.

A vectorial implementation of dynamic optimal power flow(DOPF) was presented.

To solve the conflict between calculating speed and accuracy in conventional dynamic optimal power flow(DOPF)algorithms,a variation model of DOPF is developed and the optimal condition for the model proposed is derived.

Based on the traditional optimal power flow algorithm,a multi-period dynamic optimal power flow(DOPF) is studied.

Based on improvement immunity algorithm electrical power system optimal power flow computation;

Discussion of relations between equal consumed energy increase ratio law & equal network loss increase ratio law and optimal power flow;

Practical researches of paralleled optimal power flow algorithm based on subarea division of the power system;

An approach to congestion problem is presented,which combines OPF(Optimal Power Flow) and CPF(Continuation Power Flow) and maintains the system operating within voltage security margin.

The allocation methods based on Aumann-Shapley use discrete intogration method and need to solve the OPF for many times, they are not suitable for large scale system application.

This model bases on the OPF including the main aspects to be considered in designing the tender , such as , notice in advance, power factor of load .

An optimal power flow (OPF) technique based on the sequential quadratic programming (SQP) and the enumeration method for power system reliability analysis are utilized to calculate total transfer capabilities (TTCs) of interconnected power systems and their probability distributions.

To solve the problem, a novel method based on optimal power flow (OPF) was proposed for calculating the TTC.

In the paper the constrained load flow is calculated by optimal power flow (OPF) approach in which the sequential quadratic programming (SQP) method is applied, and in the OPF calculation the active power output, the reactive power output and the voltage of generators are selected to be the control v.

By using the optimal power flow(OPF),the relation between the electricity purchasing cost change and the line stability limit which is the product of the stability limit factor and the basic stability limit of the line,is described by the derivative of the augmented lagrangian function with respect to the line stability limit factor.

Transient stability constrained optimal power flow(TSC-OPF) problem is divided into two sub-problems,which are optimal power flow(OPF) and transient stability control.

A novel algorithm——artificial immune algorithm, inspired by the mechanism of immune system of human and other mammals,was studied for electrical optimal power flow(OPF) with the character of non-protruding program in non-linearity and multiple peaks.