Now showing items 1-5 of 5

  • EMC of Frequency Controlled Electric Drives 

    Novak, J.; Simanek, J.; Cerny, O.; Dolecek, R. (Společnost pro radioelektronické inženýrství, 2008-12)
    The paper deals with solution possibilities of EMC for voltage inverters, which uses PWM (Pulse Width Modulation). The paper offers solution of interference suppression which is raised by operation of frequency controlled ...
  • EMC Specific Problems of Frequency Converters Used at Interlocking Device 

    Novak, J.; Dolecek, R.; Cerny, O. (Společnost pro radioelektronické inženýrství, 2009-12)
    The paper deals with problems of electromagnetic compatibility (EMC) of frequency control drive of electromotive switch actuator of railway switch. The frequency converter with Pulse Width Modulation (PWM) and the output ...
  • Experimental Research of Harmonic Spectrum of Currents at Traction Drive with PMSM 

    Dolecek, R.; Novak, J.; Cerny, O. (Společnost pro radioelektronické inženýrství, 2011-06)
    The paper deals with the significant results of the experimental research of current harmonic spectrum of traction drive with permanent magnet synchronous motor. The experiments were done on a special workplace with a real ...
  • Optimization of Far-Field Antenna Range 

    Cerny, O.; Dolecek, R.; Kopecky, P.; Schejbal, V.; Zavodny, V. (Společnost pro radioelektronické inženýrství, 2015-12)
    Measurements of test antennas are performed on antenna ranges. The operated microwave far-field outdoor range was built-up in 1970’s and therefore it was not appropriate for the today measurements. Thus, it was decided to ...
  • Traction Permanent Magnet Synchronous Motor Torque Control with Flux Weakening 

    Dolecek, R.; Novak, J.; Cerny, O. (Společnost pro radioelektronické inženýrství, 2009-12)
    The paper deals with analysis of dynamic behavior of a feedback flux weakening control of PMSM traction drive for light vehicles. The PMSM flux weakening is very important for traction drives. Two torque control structures ...