A NEW APPROACH TO AC-DC LOAD FLOW-ANALYSIS

This paper presents an alternative formulation of the AC-DC load flow problem and shows that neglecting the converter transformer reactance results not only in reduced accuracy but in less confidence in the val idity of the solution. The formulation extends the Ong-Fudeh model by decoupling the AC system variables from the DC system of equations to provide an improved lad flow solution algorithm. The proposed method i s tested and compared with other available techniques.