Course Project Notes

Course Project Notes - all machines 460V lighting 120/240V...

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math calculations total facility demand power factor correction begin to create backbone of system (similar to single line diagram) distribute power on higher side and have several substations number of substations (unit substations) prefab unit substations built to your specifications Lines run under walkways not under roads Power point presentation align with design drawings only go to low side bus for each building not internal building connections 13.8kV or 34.5kV from utility substation 400Amp Limit Transformers: 13.8kV to 480 V transformers 1500KVA 1000KVA 750KVA Moving Machines and lighting:
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Unformatted text preview: all machines 460V lighting 120/240V outdoor lighting 460V Power Factor .95 for lighting load Things to decide: Number of substations with number of transformers? Where to install substations? Transformers should not be loaded more than 70% (40% overload) Switch yard Lines can only be run underground and in straight lines Create two variants of methods to design the system Economic Analysis-cost of equipment-cost of losses Choose one variant after analysis of various methods Once method is chosen Fault analysis Cover fault protection (50/51 over-current)...
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Course Project Notes - all machines 460V lighting 120/240V...

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