(19)
(11)EP 2 665 178 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
11.12.2013 Bulletin 2013/50

(43)Date of publication A2:
20.11.2013 Bulletin 2013/47

(21)Application number: 12006470.4

(22)Date of filing:  14.09.2012
(51)International Patent Classification (IPC): 
H02P 9/00(2006.01)
H02P 6/18(2006.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30)Priority: 15.05.2012 US 201213472200

(71)Applicant: MagDrive, LLC
Arlington Heights, IL 60005 (US)

(72)Inventors:
  • Gurkaynak, Yusuf
    Flagstaff AZ 86001 (US)
  • Stamenkovic, Igor
    Flagstaff AZ 86004 (US)
  • Milivojevic, Nikola
    Flagstaff AZ 86001 (US)
  • Schofield, Nigel
    Wythanshawe Lancashire M23 2SG (GB)
  • Baroud, Anthony J.
    Prospect Heights IL 60640 (US)

(74)Representative: Wagner, Karl H. 
Wagner & Geyer Gewürzmühlstrasse 5
80538 Munich
80538 Munich (DE)

  


(54)System and method for sensor-less hysteresis current control of permanent magnet synchronous generators without rotor position information


(57) A system and method are provided for controlling a permanent magnet synchronous generator without rotor position information, utilizing sensor-less hysteresis control and brushless direct current switching scheme. The present invention controls the current and torque of the permanent magnet generator without information of the rotor position in respect to the stator.







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