Power Plant Construction and QA/QC

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Engineering Technology Division

• Power Plant Construction and QA/QC
• Sections 4.6 4.7 Busway and Cable Applications

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Sections 4.6 4.7 Busway and Cable Applications
Overview

• Bus bars Cu or Al bolted connections
• Bus Connections losses
• Bus Size dependent on voltage
• Bus Placement distance between phases arcing
• Bus Work typically enclosed and grounded
• Cable Cu or Al
• Cable insulation voltage dependent
• Cable Terminations bolted lug pressure,
  mechanical or solder
• Cable Trays Routing
• EMI Power vs. Instrumentation

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Sections 4.6 4.7 Busway and Cable Applications
Buswork and Duct
Losses Heat Number of bars Voltage Distance -
Arcing
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Sections 4.6 4.7 Busway and Cable Applications
Buswork Losses Thermal Imaging
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Sections 4.6 4.7 Busway and Cable Applications
Electrical Cable - Construction
Twisted Wire
Solid Wire
Inconel Jacket
Shielded Cable
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Sections 4.6 4.7 Busway and Cable Applications
Electrical Cable - Insulation

• Asbestos
• Thermoplastic/Setting Compounds
• Paper-Laminated
• Varnished Cloth
• Mineral Insulation

Thermosetting Compounds
Asbestos
Varnished Paper Cloth
Mineral Insulated
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Sections 4.6 4.7 Busway and Cable Applications
Electrical Cable Trays
Power vs. Instrumentation
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Sections 4.6 4.7 Busway and Cable Applications
Electrical Cable Conduit
Steel Pipe Flexible Steel Strip PVC Tubing
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Sections 4.6 4.7 Busway and Cable Applications
Questions?