Class 2 of 8: Instrument Transformers: CTs and VTs. This self-paced class covers CT and VT ratio, polarity, burden, IEEE C57.13 accuracy classes, saturation, wye/delta/residual connections, VT connections and fusing, open-CT and shorted-VT hazards, and ATS 7.10.1/7.10.2 tests, plus a field walkthrough and a case study. It has about 45 minutes of lesson content plus activities and a 30-question quiz. It is part of the SubstationU.com Protective Relaying Series (Level 1 course). Continuing education credit: 0 (none awarded yet).
Read the lesson book and complete the video activities, then pass the 30-question quiz with 80% (24 of 30) or better; you can retake the quiz as many times as you need until you pass. Each of the eight classes is a separate course, and the recommended order is Class 1 to Class 8, but you can take them in any order.