{"id":28692,"date":"2013-05-21T17:08:40","date_gmt":"2013-05-21T11:38:40","guid":{"rendered":"http:\/\/www.kopykitab.com\/blog\/?p=28692"},"modified":"2013-05-21T17:08:40","modified_gmt":"2013-05-21T11:38:40","slug":"delta-and-wye-circuit-equations-notes","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/delta-and-wye-circuit-equations-notes\/","title":{"rendered":"Delta and Wye Circuit Equations Notes"},"content":{"rendered":"

Delta and Wye Circuit Equations Notes<\/h1>\n

Delta and Wye Circuit Equations\"\"\u00a0<\/span><\/strong>
\n\"\"Typical 3-Phase Wiring Diagrams and Equations for Resistive Heaters\u00a0<\/strong><\/span>
\nDefinitions<\/em>\"\"<\/strong>
\n<\/span><\/p>\n\n\n\n
For\"\"Both Wye and Delta
\n(Balanced Loads)<\/strong>
\nVP<\/sub>\u00a0= Phase Voltage\"\"
\nVL<\/sub>\u00a0= Line Voltage
\nIP<\/sub>\u00a0= Phase Current
\nIL<\/sub>\u00a0= Line Current
\nR = R1 = R2 = R3 =
\n\"\"Resistance of each branch
\nW = Wattage<\/span><\/td>\n		Wye\"\"and Delta Equivalent<\/strong>
\nWDELTA<\/sub>\u00a0= 3 WWYE<\/sub><\/span>
\nOpen\"\"3-Phase Circuit Formulas:<\/strong>
\nOpen Delta Watts =\u00a02<\/sup>\/3<\/sub>\u00a0WDELTA<\/sub>
\nOpen Wye Watts =\u00a01<\/sup>\/2<\/sub>\u00a0WWYE<\/sub>
\nOpen 4-wire Wye Watts =\u00a02<\/sup>\/3<\/sub>\u00a0WWYE<\/sub>\u00a0<\/span>
\n\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n
\"\"3-Phase Wye
\n(Balanced Load)<\/strong><\/span>
\n\"3-Phase<\/a><\/td>\n		\"\"<\/td>\n\"\"\u00a03-Phase Open Wye
\n(No Neutral)<\/strong>
\n\"3-Phase<\/a><\/span><\/td>\n<\/tr>\n
IP<\/sub>\u00a0= I\u00a0L<\/sub>
\nVP<\/sub>\u00a0= VL<\/sub>\/1.73
\nWWYE<\/sub>\u00a0= VL<\/sub>2<\/sup>\u00a0\/R = 3 (VP<\/sub>2<\/sup>) \/R
\nWWYE<\/sub>\u00a0= 1.73VL<\/sub>IL<\/sub><\/strong><\/span><\/td>\n		IPO<\/sub>\u00a0= I\u00a0LO<\/sub>
\nVPO<\/sub>\u00a0= VL<\/sub>\/2
\nWOWYE<\/sub>\u00a0=\u00a01<\/sup>\/2<\/sub>\u00a0( VL<\/sub>\u00a0\/R)
\nWOWYE<\/sub>\u00a0= 2 (VPO2<\/sup><\/sub>\/R)
\nWOWYE<\/sub>\u00a0= VL<\/sub>ILO<\/sub><\/span><\/strong><\/td>\n<\/tr>\n
\"\"3-Phase Delta
\n(Balanced Load)\u00a0<\/strong><\/span>
\n\"3-Phase<\/a><\/td>\n		\"\"\u00a03-Phase Open Delta\u00a0<\/strong><\/span>
\n\"3-Phase<\/a><\/td>\n<\/tr>\n
IP<\/sub>\u00a0= I\u00a0L<\/sub>\/1.73
\nVP<\/sub>\u00a0= VL<\/sub>
\nWDELTA<\/sub>\u00a0= 3(VL<\/sub>2<\/sup>)\/R
\nWDELTA<\/sub>\u00a0= 1.73VL<\/sub>IL<\/sub><\/strong><\/span><\/td>\n		VP<\/sub>\u00a0= VL<\/sub>
\nIPO1<\/sub>\u00a0= I\u00a0PO3<\/sub>\u00a0= I\u00a0LO2<\/sub>
\nILO3<\/sub>\u00a0= 1.73 I\u00a0PO1<\/sub>
\nWODELTA<\/sub>\u00a0= 2(VL<\/sub>2<\/sup>\/R )<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Delta and Wye Circuit Equations Notes Delta and Wye Circuit Equations\u00a0 Typical 3-Phase Wiring Diagrams and Equations for Resistive Heaters\u00a0 Definitions ForBoth Wye and Delta (Balanced Loads) VP\u00a0= Phase Voltage VL\u00a0= Line Voltage IP\u00a0= Phase Current IL\u00a0= Line Current R = R1 = R2 = R3 = Resistance of each branch W = Wattage Wyeand … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[4773],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/28692"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=28692"}],"version-history":[{"count":0,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/28692\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=28692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=28692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=28692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}