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5 638 (0,314s) •

Project

Placement optimization methods and control strategies of flexible ac transmission systems devices (IAA200760703)

for harmonic voltage mitigation the voltage and current detection feedback control of the voltage stability, the transient stability, and power quality of the power system APF?multiple harmonic p...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2007 - 2010
    • •
  • 2 986 tis. Kč
    • •
  • 2 986 tis. Kč
    • •
  • AV ČR
Project

The stress of induction motors supplied from static frequency converters (GA102/96/0815)

frequency converters which output voltage or current aren't completely sinusoidal harmonics are the cause of these problems. The traditional topology with rectifier, DC serves to reduce AC line harmonics and impro...

JA - Elektronika a optoelektronika, elektrotechnika

  • 1996 - 1998
    • •
  • 355 tis. Kč
    • •
  • 305 tis. Kč
    • •
  • GA ČR
Project

Overvoltages in Medium Voltage Networks (7AMB13DE002)

Development of new methodologies and improvements of current methods for minimizing overvoltages in medium voltage networks. Also, the reduction of effects of higher harmonics arising from the use of renewable power sources...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2013 - 2014
    • •
  • 94 tis. Kč
    • •
  • 94 tis. Kč
    • •
  • MŠMT
Project

*High-voltage equipment for reactive power-control and harmonic filtering (FT-TA5/123)

types of high voltage convertors using optothyristors and IGCT elements for pulse controlled rectifier. Beyond development, design and testing of high-voltage converters input. Development and design of high-voltage reacti...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2008 - 2010
    • •
  • 32 807 tis. Kč
    • •
  • 10 900 tis. Kč
    • •
  • MPO
Project

Control methods of active power filters (IAA2057301)

. Besides supply voltage and load current unsymmetry and harmonics, a subharmonic voltage fluctuation generating flicker will be considered and appropriate methods......

JA - Elektronika a optoelektronika, elektrotechnika

  • 2003 - 2005
    • •
  • 1 298 tis. Kč
    • •
  • 628 tis. Kč
    • •
  • AV ČR
Project

Research of disturbing luminous flux fluctuation of lamps caused by harmonic and interharmonic components of supply voltage (GP102/08/P582)

At present the response of the luminous flux fluctuation to the voltage. For the determination of the disturbing light flicker caused by voltage fluctuation the compatibility level for interharmonic voltages relating to fli...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2008 - 2010
    • •
  • 861 tis. Kč
    • •
  • 861 tis. Kč
    • •
  • GA ČR
Project

Study on smart testing and calibration methods for advanced measurement equipment intended for the area of electrical energy transmission and distribution. (LH12183)

for all following parameters: Power frequency, Magnitude of Supply Voltage, Flicker, Supply Dips/Swells, Voltage Interruptions, Unbalance, Harmonics, Interharmonics, Mains Signaling Voltages, Under- and over-devia...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2012 - 2014
    • •
  • 1 931 tis. Kč
    • •
  • 965 tis. Kč
    • •
  • MŠMT
Project

The measures for the living environment protection connected with harmonics and voltage fluctuation increase during the iron works modernization (GA102/95/1091)

DI - Znečištění a kontrola vzduchu

  • 1995 - 1997
    • •
  • 1 478 tis. Kč
    • •
  • 1 478 tis. Kč
    • •
  • GA ČR
Project

Development of active power filters (GA102/00/0193)

in the mainsand its current consumption it is not only sinusoidal, but there are higher current harmonics, which unfortunately influence feed system. For the reduction of the higher harmonics influence the filters...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2000 - 2001
    • •
  • 1 100 tis. Kč
    • •
  • 750 tis. Kč
    • •
  • GA ČR
Project

Analysis of influences of electrical traction into electrical network. (ME08039)

- Offer of innovation results to management of concerned firms - collective publications in CR and RF - participation on ELEKTROTECHNIKA, SEKEL and INOVACE 2009 (09, 11 a 12/09), - presentation of results in curriculum Master and Ph.D studies......

JA - Elektronika a optoelektronika, elektrotechnika

  • 2008 - 2010
    • •
  • 674 tis. Kč
    • •
  • 492 tis. Kč
    • •
  • MŠMT
  • 1 - 10 out of 5 638