Agenda

Basic transformer theory  Causes of transformer failures  Percent differential protection element  Instantaneous differential protection  Tap changers  Current transformer selection  Introduction to the GE Multilin SR745 transformer management relay  Specifications		Hardware overview, options and ordering  Mechanical installation and wiring  enerVista software lab  Establishing communication to the relay  Loading and saving settings files lab  SR745 setup    - System setup    - Digital inputs and outputs

Fault simulation and investigation tools such as the waveform capture and event log will be used to test the following elements through the simulation software    - Differential    - Phase overcurrent    - Under/overfrequency    - Overexcitation  Actual values    - Status and metering    - Event recorder and trending and      waveform capture		Introduction to FlexLogic™    - Gates: AND, NAND, OR, NOR, XOR,      NOT  FlexLogic™ Lab    - Virtual inputs    - Contact outputs and virtual outputs    - FlexLogic™ Timers    - Load shedding  The SR745 memory map and user memory map  SR745 data communications