EXPERIMENTS. XV. 



PAGE. 



43. Determination of Effect of Variation of Load upon a 



Synchronous Motor Having Constant Excitation 283 



44. Determination of the Power Transmitted by a 3- 



Phase Circuit (Load Non-inductive) 303 



45. Determination of Power and Power-Factor in a 



Balanced 3-Phase Line 309 



46. Determination of Characteristic and Efficiency of a 



Rotary Converter Run from the Direct-Current 

 Side 321 



47. Determination of Effect of Variation of Excitation 



upon Ratio of Transformation of a Rotary Con- 

 verter Driven from Direct-Current Side 327 



48. Determination of Characteristic and Efficiency of 



a Rotary Converter Run from Alternating- 

 Current Side 330 



49. Determination of Effect of Variation of Excitation 



upon Ratio of Transformation of a Rotary 

 Converter Driven from Alternating- Current 

 Side .. 335 



50. No-Load Tests of Inducfom. Motor at Varying Voltage 370 



51. Load Test of an Induction Motor 378 



52. Determination of Effect of Variation of Rotor Resis- 393 



tance 



53. Experimental Derivation of the Heyland Diagram . . 411 



