IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems

AIEE AIEE Transactions air terminals ANSI/NFPA apparatus arcing fault belts bonding building cable capacitance circuit breaker COMMERCIAL POWER SYSTEMS conductive current flow ductor earth elec energized EQUIPMENT GROUNDING Std fault cur feeder flashover frame ground mat ground-fault current grounded system grounded-neutral system grounding conductor grounding electrodes GROUNDING OF INDUSTRIAL grounding transformer hazard high-resistance grounding IEEE Std impedance inductive INDUSTRIAL AND COMMERCIAL installation insulation LIGHTNING PROTECTION GROUNDING limit line-to-ground fault line-to-line line-to-neutral voltage low-voltage magnitude metal method mm² National Electrical Code neutral circuit neutral grounding normal operation overvolt path phase conductor potential raceway reactor relaying rent resistance grounding resistor spacing STATIC AND LIGHTNING static charge static electricity station steel stroke structure substation surface surge arresters switching SYSTEM GROUNDING Std system neutral tance three-phase fault current tion tive trans transient overvoltages ungrounded voltage drop voltage rating winding wire wye-connected X₁ zero-sequence