2022-05-23T09:03:10Zhttps://soar-ir.repo.nii.ac.jp/oaioai:soar-ir.repo.nii.ac.jp:000172192021-03-01T09:44:50ZTHE CIRCLE DIAGRAM OF THE SINGLE PHASE INDUCTION MOTOR単相誘導電動機の円線図宮入, 庄太The Circle diagrams of the single phase induction motor which have been already reported are not always convenient to be used. The writer's one can be drawn and used like that of three phase induction motor. In this circle diagram, the product S of slip s and 2—s is adopted as a variable number,and becomes as following relations, Is=0=Is=0, Is=1=Is=1,Is=∞=Is=∞ Therefore,method of drawing this circle diagram and the scale of S can be similiar to that three phase induction motor. The contents of this paper are as follows. （1）The reason why the trace of phase current vector becomes the circle as a variable number of S．（2）Method of determination of s correspond to S by drawing. （3）Calculation method of torque from this circle diagram．Article信州大學紀要 (3): 141-146(1953)departmental bulletin paper信州大学1953-05-30application/pdf信州大學紀要3141146AN00219843https://soar-ir.repo.nii.ac.jp/record/17219/files/Shinshu_Bulletin03-11.pdfjpn