73 صفحه
IEC 60909-part 0- Short circuit currents in three phase ac systems
part 0: calculation of currents
استاندارد محاسبات اتصال کوتاه IEC 60909، 2001
73 صفحه
IEC 60909-part 0- Short circuit currents in three phase ac systems
part 0: calculation of currents