impedance of low-voltage switchgear circuit assemblies, derived from tests at short-circuit currents in circuits with open-circuit line-to-line voltages of 208–600 volts at 60 cycles. The currents ...

Abstract: THE use of 200-volt three-phase 400-cycle a-c systems in large aircraft, with multiple circuits fused for fault clearing of sections, requires an accurate analysis of fault currents at all ...

Proper 75Ω (75 ohm) coaxial cable impedance for optimal video quality (click on photos for more details) ...