# Power systems: formulas and calculations you should know for transformers and motors

1:05:30

Power systems expert Dan Carnovale sits down to discuss and demonstrate hand calculations that are key to understanding power systems. Thank you for watching one of our many educational videos on the topic of power systems. Schedule a visit to one of Eaton's Power Systems Experience Centers in either Pittsburgh or Houston to learn more! To learn more about Eaton products and our Power Systems Experience Centers: http://eaton.com/experience To view more educational videos from Eaton's Power Systems Experience Centers: http://videos.eaton.com/experience ___________________________________________________ power systems calculations, rules of thumb for power systems, back of the envelope napkin calculations, how to calculate power, current, voltage, What is a power system? How to calculate load current? How do I calculate full load amps? What is an isolation transformer? How do I calculate power factor? How do I calculate power? How do I calculate on a per unit system? What is a per unit system? How do I calculate transformer ratings? How do I calculate motor inrush current? How do I calculate impedance? Why do the lights flicker? How do I calculate demand charges? What is power factor? What is kVA? #powersystem #help #tips ___________________________________________________ 0:00 - Introduction 1:28 - 3-phase calculations 5:35 - Transformer calculations 15:52 - Dry-type transformers 22:22 - Isolation transformers 28:40 - Pole-mounted transformers split-phase 35:00 - Pole-mounted transformers 3-phase 38:30 - Pad-mounted transformers 45:55 - Two transformers in series 50:38 - Motor starting analysis (in-rush current) 57:28 - Power factor 01:02:24 - Basic rules of thumb

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Power systems: formulas and calculations you should know for transformers and motors

Power systems expert Dan Carnovale sits down to discuss and demonstrate hand calculations that are key to understanding power systems. Thank you for watching one of our many educational videos on the topic of power systems. Schedule a visit to one of Eaton's Power Systems Experience Centers in either Pittsburgh or Houston to learn more! To learn more about Eaton products and our Power Systems Experience Centers: http://eaton.com/experience To view more educational videos from Eaton's Power Systems Experience Centers: http://videos.eaton.com/experience ___________________________________________________ power systems calculations, rules of thumb for power systems, back of the envelope napkin calculations, how to calculate power, current, voltage, What is a power system? How to calculate load current? How do I calculate full load amps? What is an isolation transformer? How do I calculate power factor? How do I calculate power? How do I calculate on a per unit system? What is a per unit system? How do I calculate transformer ratings? How do I calculate motor inrush current? How do I calculate impedance? Why do the lights flicker? How do I calculate demand charges? What is power factor? What is kVA? #powersystem #help #tips ___________________________________________________ 0:00 - Introduction 1:28 - 3-phase calculations 5:35 - Transformer calculations 15:52 - Dry-type transformers 22:22 - Isolation transformers 28:40 - Pole-mounted transformers split-phase 35:00 - Pole-mounted transformers 3-phase 38:30 - Pad-mounted transformers 45:55 - Two transformers in series 50:38 - Motor starting analysis (in-rush current) 57:28 - Power factor 01:02:24 - Basic rules of thumb