Why is a WYE Transformer Secondary Voltage 120/208 not 120/240?
J jeffc43 Member Location North Port, Florida Aug 23, 2012 #1 Why is a WYE Transformer Secondary Voltage 120/208 not 120/240?
Dennis Alwon Moderator Staff member Location Chapel Hill, NC Occupation Retired Electrical Contractor Aug 23, 2012 #2 Here is a short tutorial o 3 phase wye http://www.wisc-online.com/Objects/ViewObject.aspx?ID=IEY807
masterinbama Senior Member Location Huntsville Alabama Aug 23, 2012 #3 In simple terms 120 volts times the square root of 3 (1.7320505) = approximately 208 volts.
weressl Esteemed Member Location Texas by the Gulf, geat crab, great shrimp Aug 23, 2012 #4 jeffc43 said: Why is a WYE Transformer Secondary Voltage 120/208 not 120/240? Click to expand... Because in a three phase system the relationship between the phase/phase and phase/wye(point) is square root of three.
jeffc43 said: Why is a WYE Transformer Secondary Voltage 120/208 not 120/240? Click to expand... Because in a three phase system the relationship between the phase/phase and phase/wye(point) is square root of three.