def METHOD_NAME(three_bus_big_sgen_example):    
    net = three_bus_big_sgen_example
    sc_bus = [0, 1, 2]
    sc.calc_sc(net, bus=sc_bus, branch_results=True, return_all_currents=True, inverse_y=False)
    assert np.isclose(net.res_line_sc.loc[(0, 0),"ikss_ka"], 1.25967331, atol=1e-3)
    assert np.isclose(net.res_line_sc.loc[(1, 0),"ikss_ka"], 0., atol=2e-3)
    assert np.isclose(net.res_line_sc.loc[(0, 2),"ikss_ka"], 0.46221808, atol=1e-3)
    assert np.isclose(net.res_line_sc.loc[(1, 2),"ikss_ka"], 1.72233192, atol=1e-3)