Tag Archives: Power Distribution

Part 4: AC Power Distribution Systems & Standards

Published by Nikola Zlatanov* Ground Fault Protection Article 230.95 of NEC requires ground- fault protection of equipment shall be provided for solidly grounded wye electrical services of more than 150 V to ground, but not exceeding 600 V phase-to-phase for each service disconnect rated 1000 A or more. The rating of the service disconnect shallContinue reading “Part 4: AC Power Distribution Systems & Standards”

Part 3: AC Power Distribution Systems & Standards

Published by Nikola Zlatanov* Short-Circuit Currents – General The amount of current available in a short-circuit fault is determined by the capacity of the system voltage sources and the impedances of the system, including the fault. Voltage sources include the power supply (utility or on-site generation) plus all rotating machines connected to the system atContinue reading “Part 3: AC Power Distribution Systems & Standards”

Part 1: AC Power Distribution Systems & Standards

Published by Nikola Zlatanov Mr. Nikola Zlatanov spent over 20 years working in the Capital Semiconductor Equipment Industry. His work at Gasonics, Novellus, Lam and KLA-Tencor involved progressing electrical engineering and management roles in disruptive technologies. Nikola received his Undergraduate degree in Electrical Engineering and Computer Systems from Technical University, Sofia, Bulgaria and completed aContinue reading “Part 1: AC Power Distribution Systems & Standards”