@article{paperid:1018644, author = {Modir Shanehchi, Mohammad Hassan and Oloomi Buygi, Majid}, title = {A generalized Heffron-Phillips model for power systems with voltage and frequency dependent loads}, journal = {Electric Power Components and Systems}, year = {2001}, volume = {29}, number = {5}, month = {May}, issn = {1532-5008}, pages = {389--404}, numpages = {15}, keywords = {Heffron-Phillips Model; Voltage and Frequency Dependent Loads}, }