ANALYSIS OF PTLL AND M ACX imz ATK )\ Ml'-AST HIIM lON'PS 108 



I:ii- \;ilu(' of X. If the relation coiifonns to (lo), // = \/(6{'ip"), where (il' 

 is iii\-eii hy (3). Writing (', for the ratio ((il/. + (Ho) VR,, , and '/ for the 

 ratio .(• (.ItRo), 



1 + u 

 C L -\- u 



and hence the \alues of // should confoi-in to the ecuiation: 



('/. + u 



y{i + '0 = 



(«/.¥''■ 



(20) 



I'sing the values of A and (Ro determined from the pull results in P'ig. 

 12 and tabulated in Table II, values of u have been determined for the 

 values of .r applying in Fig. 13, and the corresponding values of // have 

 been determined from the slopes of the corresponding lines. The \'ahies 

 of ij(l + u) thus determined are shown plotted against u in Fig. 14. Tlie 



xio-'» 



-0.4 0.4 



.2 1.6 2.0 2.4 2.8 3.2 



Fig. 14 — Evaluation of saturation flux <p" and lcaka>io reluctance (il 7, from ])ul 

 characteristics. 



