• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/3

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

3 Cards in this Set

  • Front
  • Back

Wye/wye primary neutral

With balanced load still has 3rd harmonic. 60hz × 3 =180hz.


Must be identical trans without PN

Wye/wye voltage

Primary line ex. 208= primary phase 208÷R3


Secondary phase ex 120


Secondary line=120 × R3


Wye/wye current

Primary phase current=transformer VA ÷ primary phase V


Same for secondary