@inproceedings{inproceedings33fe435c, title = {Limitations of assigning general critical values to voltage stability indices in voltage-stability-constrained optimal power flows}, author = {Lage, Guilherme Guimarães and Costa, Geraldo Roberto Martins da and Cañizares, Claudio A.}, year = {2012}, doi = {10.1109/PowerCon.2012.6401277}, publisher = {IEEE}, booktitle = {IEEE PES International Conference on Power Systems Technology - POWERCON} }