Engineering Technology Division Power Plant Construction and QA/QC Sections 4.6 & 4.7 – Busway and Cable Applications

Overview Bus bars – Cu or Al – bolted connections 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

Buswork and Duct Sections 4.6 & 4.7 – Busway and Cable Applications Losses – Heat Number of bars – Voltage Distance - Arcing

Buswork Losses – Thermal Imaging Sections 4.6 & 4.7 – Busway and Cable Applications Buswork Losses – Thermal Imaging

Electrical Cable - Construction Sections 4.6 & 4.7 – Busway and Cable Applications Electrical Cable - Construction Twisted Wire Solid Wire Inconel Jacket Shielded Cable

Electrical Cable - Insulation 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

Electrical Cable Trays Sections 4.6 & 4.7 – Busway and Cable Applications Electrical Cable Trays Power vs. Instrumentation

Electrical Cable Conduit Sections 4.6 & 4.7 – Busway and Cable Applications Electrical Cable Conduit Steel Pipe Flexible Steel Strip PVC Tubing

Sections 4.6 & 4.7 – Busway and Cable Applications Questions?