Gauss-Seidel Distribution Powerflow Solver

This project is to implement a method to link the distribution and transmission of GridLAB-D models for a complete powerflow analysis and add a greater level of detail in modeling a complete system. The final product should solve the power flow from a generator all the way down to individual loads.

= Implementation =

The implementation of the Gauss-Seidel Powerflow solver will take the path outlined below. Stage 1 will affect mostly the powerflow module. Stage 2 will affect the powerflow and possibly the network module.

 Integrate Gauss-Seidel into powerflow module (distribution systems)  Object changes to reflect Gauss-Seidel method  Node &radic; Link &radic; Transformer &radic;  Method to choose solver &radic; Solving constraints</LI> <OL TYPE="i"> Iteration limits &radic;</LI> Precision limits &radic;</LI> </OL> Validate against known models &radic;</LI> </OL> Integrate transmission and distribution power flow solvers</LI> <OL TYPE="a"> Create integrating object (substation?)</LI> <OL TYPE="i"> Handle 3-phase to positive sequence interface</LI> Unbalanced power considerations</LI> Ability to handle 4 - 5 feeders</LI> </OL> Integration/interaction of modules (Powerflow and Network)</LI> Create necessary secondary objects</LI> <OL TYPE="i"> Switches</LI> Phase shifters</LI> HVDC intertie</LI> </OL> Validate against known models</LI> </OL> </OL>