Dear Sir, Regarding the case57, the voltage of bus 31 is 0.936 p.u which is less than the min. limit of bus voltage (0.94). Every time I run 'runpf', the voltage value is 0.936 and it doesn't change although it is a PQ bus. I need your help, please.
Regards, Mohamed Shaheen. Msc. student at Ain Shams University in Egypt Teaching Assistant in Future University in Egypt ᐧ
