1. Modern DC electric drive for drilling rigs

   • B. I. Abramov
   • B. M. Parfenov
   • I. V. Kolesnikov

   OriginalPaper 29 March 2009 Pages: 1 - 5

2. Variable-frequency electric drive for drilling rigs BU-4200/250

   • B. I. Abramov
   • A. I. Kogan
   • P. R. Lyul’kovich

   OriginalPaper 29 March 2009 Pages: 6 - 9

3. Asynchronous electric motors for variable-frequency electric drives of drilling rigs

   • B. I. Abramov
   • L. N. Makarov
   • B. M. Parfenov

   OriginalPaper 29 March 2009 Pages: 10 - 14

4. Constructing a mathematical model of a synchronous motor with permanent magnets on the rotor

   • A. I. Korshunov

   OriginalPaper 29 March 2009 Pages: 15 - 22

5. Analysis and investigation of size spectrum of synchronous machines operating as wind-power-generators in the range of rotation frequencies of 75–300 rpm

   • V. N. Antipov
   • Ya. B. Danilevich

   OriginalPaper 29 March 2009 Pages: 23 - 28

6. A synchronous reluctance motor with a laminated rotor

   • B. V. Litvinov
   • O. B. Davydenko

   OriginalPaper 29 March 2009 Pages: 29 - 32

7. Principles of designing the form of a circuit and electromagnetic properties of three-phase symmetric fractional windings of electrical machines

   • V. I. Popov

   OriginalPaper 29 March 2009 Pages: 33 - 40

8. Electromagnetic system of induction torque motors with ball hollow ferromagnetic rotors

   • M. L. Kostyrev
   • Yu. I. Lyutakhin

   OriginalPaper 29 March 2009 Pages: 41 - 44

9. Mathematical modeling of induction heating units for moving round billets

   • V. I. Luzgin
   • A. Yu. Petrov
   • F. N. Sarapulov

   OriginalPaper 29 March 2009 Pages: 45 - 49

10. Calculation errors for the magnetic conductivity of an electromagnet with truncated pyramid-shaped poles

    • O. B. Bul’

    OriginalPaper 29 March 2009 Pages: 50 - 59