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14 866 (0,082s) •

Projekt

Pilot project for power supply of traction line with AC/AC converter (CK02000099)

system of 25 kV 50 Hz. The AC/AC converters will by feeded from 110 kV distribution system and are supposed to take over the legacy 3 kV direct current system quality within the traction electricity

Electrical and electronic engineering

  • 2021 - 2023
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  • 15 301 tis. Kč
    • •
  • 10 596 tis. Kč
    • •
  • TA ČR
Projekt

A quantum standard for sampled electrical measurements (7AX13031)

is disseminated in the SI for AC waveforms. Direct traceability to the quantum standard of voltage, based on the Josephson effect will be provided for sampled electrical measurements. Thus there will no longer be a distinction betw...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2013 - 2016
    • •
  • 1 234 tis. Kč
    • •
  • 709 tis. Kč
    • •
  • MŠMT
Projekt

Modular system for complex monitoring and management designed for DC and hybrid AC/DC smart grids (TH01020327)

features and functionality of an electricity meter, analyzer and monitor of power and voltage quality in AC/DC systems, to support measurement of other process variables and to integrate resources for controlling and manag...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015 - 2017
    • •
  • 10 284 tis. Kč
    • •
  • 6 108 tis. Kč
    • •
  • TA ČR
Projekt

Flexible AC/DC microgrid for collective housing (TK02020005)

The project focuses on the development of a flexible AC/DC microgrid concept for collective housing, that integrates RES, energy storage and electric vehicle charging, access system), and the surplus will be used to charge ...

Energy and fuels

  • 2019 - 2022
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  • 20 305 tis. Kč
    • •
  • 11 740 tis. Kč
    • •
  • TA ČR
Projekt

Analysis and optimization of drive systems with advanced types of electrical machines with respect to utilization of minimized converter topologies (GA102/01/0181)

Electrical AC motors are increasingly utilized in electrical drives due to growing demands on reliability of the whole energy conversion systems. Other reasons of their more frequent usage are development of novel ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2001 - 2003
    • •
  • 3 646 tis. Kč
    • •
  • 1 719 tis. Kč
    • •
  • GA ČR
Projekt

A digital traceability chain for AC voltage and current (8B18013)

1. To define the digitiser requirements and metrological grade electrical parameters for digital electrical measurements for AC voltage and current, including identifying the traceability and performance requirements rela...

Electrical and electronic engineering

  • 2018 - 2021
    • •
  • 1 678 tis. Kč
    • •
  • 880 tis. Kč
    • •
  • MŠMT
Projekt

Controlled AC Electric Machine in Modern Drive and Power Systems (IAA2057102)

energy conversion with regard to an optimum control of the electric machine realizing of reliable operation of the drive or the power system under dynamically demanding conditions and transient states. The drive system is ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2001 - 2004
    • •
  • 3 888 tis. Kč
    • •
  • 1 428 tis. Kč
    • •
  • AV ČR
Projekt

*Development of multi-system multiple unit. (FI-IM/198)

*Development of multi-system electric multiple unit for domestic inter-region transport, which can be operated according to chosen version on the tracks electrified with 3 systems - 3 kV DC, 25 kV, 50 Hz AC and 15 ...

JO - Pozemní dopravní systémy a zařízení

  • 2004 - 2007
    • •
  • 371 tis. Kč
    • •
  • 0 tis. Kč
    • •
  • MPO
Projekt

Diagnostics of electromagnetic properties of electrical machines by means of vibration and acoustic fields (GA102/01/1291)

It is well known that exist the relations between the forces originating in an AC electromagnetic machine fields, vibrations and noise of these machines. AC electric machines vibrations and noise can be induced both by the ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2001 - 2003
    • •
  • 3 065 tis. Kč
    • •
  • 1 998 tis. Kč
    • •
  • GA ČR
Projekt

Dynamically Demanding and Failure Operation Modes of Electromechanical Energy Conversions (IAA2057701)

and failure modes of systems for the electromechanical energy conversion. The fundamental elements of these systems are AC electric machines. Boh types of conversion, mechanical into account. In the second case th...

JA - Elektronika a optoelektronika, elektrotechnika

  • 1997 - 2000
    • •
  • 3 356 tis. Kč
    • •
  • 1 066 tis. Kč
    • •
  • AV ČR
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