pypowsybl.sensitivity.AcSensitivityAnalysisResult.get_reference_voltages# AcSensitivityAnalysisResult.get_reference_voltages(matrix_id='default', contingency_id=None)[source]# Deprecated since version 1.1.0: Use get_reference_matrix() instead. The values of bus voltages on the base case or on post contingency state. Parameters: matrix_id (str) – ID of the matrix contingency_id (str | None) – ID of the contingency Returns: the values of bus voltages Return type: DataFrame | None