BCT274 — Electrical VII
6 , 4 lecture periods 4 lab periods Continuation of BCT 273 . Includes advanced controls, signaling systems, specialty transformers, standby and emergency systems, welding machines, HVAC controls, and heat tracing and freeze protection. Demonstrate the proper installation procedures for security and fire systems. Discuss the installation of specialty transformers. Differentiate standby and emergency power systems. Discuss welding machines and their power requirements. Troubleshoot HVAC controls. Describe heat tracing and freeze protection. Outline: Advanced Controls Solid-state Motor breaking Safety interlocks Signaling Systems Security Fire Installation Specialty Transformers Potential Current Constant current Shielded Sizing Installation Standby and Emergency Systems Generators Batteries Welding Machines Types Method of operation HVAC Controls Internal controls Solid-state circuitry Safety controls Heat Tracing and Freeze Protection Installation techniques Resistance heating Impedance heating Skin effect heating
Prerequisites: BCT273