All

What are you looking for?

All
Projects
Results
Organizations

Quick search

  • Projects supported by TA ČR
  • Excellent projects
  • Projects with the highest public support
  • Current projects

Smart search

  • That is how I find a specific +word
  • That is how I leave the -word out of the results
  • “That is how I can find the whole phrase”

Filters

11 078 (0,172s)

Result

Measurement of DC Currents in the Power Grid by Current Transformer

DC currents in power grids are mainly caused by geomagnetic activity especially saturation of transformers, which may cause blackout. However, adding DC current sensors current transformers to fluxgate DC current s...

JB - Senzory, čidla, měření a regulace

  • 2012
  • D
Result

Measurement of DC Currents in the Power Grid by Current Transformer

DC currents in power grids are mainly caused by geomagnetic activity especially saturation of transformers, which may cause blackout. However, adding DC current sensors current transformers to fluxgate DC current s...

JB - Senzory, čidla, měření a regulace

  • 2012
  • O
Result

Measurement of DC Currents in the Power Grid by Current Transformer

DC currents in power grids are mainly caused by geomagnetic activity especially saturation of transformers, which may cause blackout. However, adding DC current sensors current transformers to fluxgate DC current s...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2013
  • Jx
  • Link
Result

Simulation of negative influence from power DC source 110kW / 1kA to suply grid

The subject of the report is simulation of negative influence from power DC source 110kW / 1kA to suply grid with minimalization of current ripply and with minimimalization of harmonic disturbance from this source to suply power

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015
  • O
Result

Problems of energy saving in Electrical Experimental Network/Smart Grid

This contribution deals with an idea of smart grids, a physical realization of a DC smart grid laboratory model (E.E.N.) and a strategy of its control. An authors. In a chapter DC laboratory smart grid aut...

BC - Teorie a systémy řízení

  • 2012
  • D
Result

Control Strategy of PWM Rectifiers Connected to Unbalanced Grids

Current controlled voltage source converters are widely used in grid-connected applications, for example at ac drives with indirect frequency converters. The negative sequence component of the grid voltage causes ripples of the ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2013
  • Jx
Result

Control Strategy of PWM Rectifiers Connected to Unbalanced Grids

Current-controlled voltage source converters are widely used in grid-connected applications, for example at ac drives with indirect frequency converters. The negative sequence component of the grid voltage causes ripples of the ...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2013
  • D
Result

Study of possibilities of realization of power DC source 110kW / 1kA

The subject of the report is possibilities of realization of power DC source 110kW / 1kA, with minimalization of current ripply and with minimimalization of harmonic disturbance from this source to puply grid....

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015
  • O
Result

DC link voltage ripples influence of voltage source active rectifiers on current harmonics drawn from the grid

The research report deals with DC link voltage ripples influence of voltage drawn from the grid. First part presents influences of voltage-source active rectifiers parameters on the DC link voltage ripples. Simulations grap...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2016
  • O
Result

Multi-Feeder Protection System with Hybrid Circuit Breakers for MVDC Grids

and high controllability. Protection of a DC grid is more challenging than AC systemsMedium voltage direct current (MVDC) grids are proposed as a solution zero crossing. Until now, proposed hybrid DC circuit break...

Energy and fuels

  • 2017
  • Jimp
  • Link
  • 1 - 10 out of 11 078