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Projekt

Development of a 2nd generation Vdip fault localization system (TK04020187)

The project aims to develop the 2nd generation Vdip system (Vdip2) for the localization of asymmetric faults in medium voltage systems upgrading the Vdip system. Developed functionalities will extend the application of the localizat...

Energy and fuels

  • 2022 - 2024
  • 25 829 tis. Kč
  • 15 456 tis. Kč
  • TA ČR
Výsledek výzkumu

Pilot test of the method Vdip for an earth fault localization

The paper is focused on the evaluation of the pilot test of the method Vdip, which was designed for localization of unsymmetrical faults, especially an earth of the proposed Vdip system and the evaluation of fault localization resul...

Electrical and electronic engineering

  • 2023
  • D
  • Odkaz
Výsledek výzkumu

Evaluation of pilot operation of system Vdip in Vimperk area

The contribution is focused on the evaluation of the prototype of the Vdip system in real operating conditions. The Vdip system enables the localization of asymmetric faults in all types of MV distribution networks (compensated, iso...

Electrical and electronic engineering

  • 2022
  • O
Výsledek výzkumu

Analyses of Vdip method functionality

The result of the contract is a study analyzing and evaluating the method for locating unbalanced faults Vdip. The report mainly evaluates the differences of distance from the real fault location and explains the method, used data analyses a...

Electrical and electronic engineering

  • 2018
  • Vsouhrn
Výsledek výzkumu

Evaluation of the pilot test of the new method Vdip for localization of ground faults

The paper presents results from the first application of the new method "Vdip" for an earth fault location. The Vdip method is based on evaluation of the change in real compensated distribution 22 kV system were utilized as inputs ...

Electrical and electronic engineering

  • 2019
  • Jost
Výsledek výzkumu

A Validation Tool for the Vdip Method for Earth Faults Localization and Its Evaluation

This paper describes a process of evaluation of the Vdip method for earth faults localization. For purposes of method validation, PSCAD simulation are used. In PSCAD, fault occurrences are simulated and COMTRADE format records are created. T...

Electrical and electronic engineering

  • 2020
  • O
  • Odkaz
Výsledek výzkumu

An earth fault location method based on negative sequence voltage changes at low voltage side of distribution transformers

projects. The introduced method "Vdip" determines the probability of asymmetrical fault of this field test, the location error of the Vdip method is presented....

Electrical and electronic engineering

  • 2020
  • Jimp
  • Odkaz
Výsledek výzkumu

TENECO Vdip - Software for calculation of expected number of voltage dips in power system

The software is developed for the calculation of the expected number of the voltage dips in the power system. The software is based on the well-known method of fault positions. There is possible to set all types of short-circuit faults, different fai...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2009
  • R
Výsledek výzkumu

System V-dip for unbalance fault localization

The result is a pilot verification of the function of the whole system Vdip designed for localization of asymmetrical fault. Pilot operation was performed in real operating conditions of the selected part of the compensated distribution netw...

Electrical and electronic engineering

  • 2021
  • Zpolop
  • Odkaz
Výsledek výzkumu

Negative Sequence Changes Calculation for Purposes of Fault Localization

This paper is focused on calculation of negative sequence changes of voltage and current from distributed measurement. These changes are necessary for evaluation of a new fault localization method Vdip. A principle of changes calculation is ...

Electrical and electronic engineering

  • 2020
  • D
  • Odkaz
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