Electrical Construction & Maintenance

Short Circuit Fault Calculations

A power system functions normally until after the occurrence of a fault in the system. The good news is fault events can be minimized or avoided through diligent electrical design, accurate record ...
Electrical Construction & Maintenance

Short Circuit Current Duties of Circuit Breakers and Fuses — Part 2

This is the second part of a two-part series on the methodologies used to find the short circuit current duties of circuit breakers and fuses. The first part, Short Circuit Current Duties of Circuit ...
EDN

Fault Currents: R-L Circuit with AC Source

A bolted short circuit occurs in the series R-L circuit of the given figure with V = 30 kV, X = 10Ω , R = 0.9Ω, and with maximum dc offset. The circuit breaker opens 3 cycles after fault inception.
Electronic Products

Detecting overcurrent conditions in EV systems

Using a multi-shunt-based current-monitoring circuit with a 50-MHz op amp delivers an overcurrent detection response time of ...
The Boston Globe

Short circuit at fault in dragging death of Red Line passenger last year, NTSB finds

Federal investigators on Tuesday said a short circuit was to blame for the failure of a safety system designed to prevent a Red Line train from accelerating and dragging a passenger to his death last ...