Phasor Diagrams for Wye Balanced and Positive (ABC) Sequence Systems (ELECTRICAL POWER PE EXAM 2022)

Learn how to draw phasor diagrams and answer exam problems for a wye connected balanced and positive (ABC) sequence system for the Power PE Exam.

0:53 - Starting with the Given A Phase Voltage (V_AN)
1:03 - Calculating the B and C Phase Voltage Magnitudes |V_BN| and |V_CN|
1:34 - Calculating the B and C Phase Voltage Phase Angles (θ_VBN) and (θ_VCN)
4:13 - Why Negative 200 Degrees (-200º) is the Same Thing as Positive 160 Degrees (+160º)
6:40 - Drawing B Phase Voltage (V_BN) and C Phase Voltage (V_CN) on the Phasor Diagram
8:02 - How to Convert From Phase Voltage to Line Voltage
9:03 - Calculating the Complex A Line Voltage (V_AB) both magnitude |V_AB| and phase angle (θ_VAB)
10:00 - Calculating the B and C Line Voltage Magnitudes |V_BC| and |V_CA|
10:24 - Calculating the B and C Line Voltage Phase Angles (θ_VBC) and (θ_VCA)
12:53 - Drawing the A Line (V_AB), B Line (V_BC), and C Line (V_CA) voltages on the phasor diagram

Did you know that just one single voltage quantity is needed to determine all remaining voltages (A, B, and C line-to-neutral voltages and A, B, and C line to line voltages) for a wye connected balanced and positive ABC sequence system.

This video will show you how to start with just one voltage, then quickly calculate the remaining voltages while drawing the results on a phasor diagram.

This video was recorded live in January 2022 during our live class on Circuit Analysis for the NCEES® Power PE Exam.

Click the links below to learn more about the fastest growing online class for the NCEES® Electrical Power PE Exam located at https://www.electricalpereview.com
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