Mr 1 1. II. iMHi i.i.w i: i.\ n.iri. iii.ii.ks m 



.i> shown ill I'i.n. -M. llu- loiirtci iiiiii.il mlwnik illii^tr.ilril In 

 Kin- "-J may lia\r various conli^iirations. I'lu' r(|iii\ alcnl /' lorni is 

 slutwii in Fii;. "J"). In \ irw of thi- i><iui\al(niv illnslraicil in I'in. 12'), 



EQUIVALENT 

 NETWORK 



Kijj. 24 — K<)iiiv.ilcin Ni-twork Ki-prt'Sfiitation of the Striuturc Shown In KIg. 23 



the two-winding transformer of Fii^. 2;j may itself l)e completely repre- 

 sented by a sinijle 7' network as inilieated in Fig. 2(). The theory of 

 the e(iui\aleiu T network representation of a transformer has been 



Fig. 25 —T N'ftwork Representation of the Slriictiire of Fiy. 24 



discussed l)y G. A. Campbell,' W. L. Casper "^ and others. In general, 

 the self and mutual impedances of a transformer will be complex 

 (luaiitities. The arms of its equivalent 7" network will contain resist- 





-npm- 



;±Zm 



2 o 



Fig. 2b -T Network of Self Impel 



ICiiuivalent to the Si nut lire of Fig. 2.? 



ance and inductance components which may be either positive or 

 negative. However, in the case of a transformer having no dissipa- 

 tion, (i.e., no (l-c. resistance, no v(\<\y current and no hysteresis 



