How much power can an open delta transformer deliver? How much power can an open delta deliver compared to a standard three phase delta transformer? Where does the power formula for the open delta transformer connection come from? What are the phasor diagrams for an open delta transformer? What about the current and voltages for […]
Qualitative Practice Problem – Power Supplies
Did you know, that the most common feedback about the NCEES Electrical Power PE Exam is that exam takers are often surprised at the high number of qualitative questions that appear on the exam? A qualitative question is a test question designed to test your application of theory to select the most appropriate answer and […]
Electrical PE Exam Qualitative Theory Question of the Week
Following the theme of preparing for qualitative theory and concept questions, which caught many students off guard during the 2016 October Electrical PE Exam, here is another example of how to combine several different formulas to derive a relationship that solves a qualitative question. Sample Question: True or False: The capacitance of a transmission […]
Thoughts on the 2016 October Exam, and How to Solve Qualitative Theory Questions
The 2016 October NCEES Electrical PE Exam was described by test takers as strikingly heavy in qualitative theory based questions compared to what was expected. The large majority of practice material and sample exams focus mostly on quantitative math questions, and this caught many examinees off guard who over prepared for quantitative questions but under […]