Peculiarities of Currents Investigation in Magnetically Coupled Circuits for A.C. Machines with Short-Circuited Rotor Windings

  • Iliya Boguslawsky
  • Nikolay Korovkin
  • Masashi Hayakawa


This chapter states peculiarities of investigation methods of magnetically coupled loops in A.C. machine with short-circuited rotor windings. Noted here are solutions of general problem on currents distribution in these windings: stated here is the solution algorithm for a system of equations, the concept is introduced on generalized characteristics of currents in rotor loops elements (for example, in elements of damper winding of salient pole machine). As practical usage an example of generalized characteristics of currents and MMF of short-circuited rotor loops is given with the calculation method of performance characteristics of high-power induction motors with nonlinear parameters (with account of skin effect in squirrel cage and magnetic circuit saturation). It is checked experimentally and is used in industry for calculation of machines with power up to 12–15 MW.


Rotor Winding Secondary Circuit Squirrel Cage Nonlinear Algorithm Asynchronous Machine 
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Copyright information

© Springer Japan KK 2017

Authors and Affiliations

  • Iliya Boguslawsky
    • 1
  • Nikolay Korovkin
    • 1
  • Masashi Hayakawa
    • 2
  1. 1.Peter the Great St. Petersburg Polytechnic UniversitySaint PetersburgRussia
  2. 2.The University of Electro-CommunicationsTokyoJapan

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