Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Claudius Freye"'
Autor:
Claudius Freye, Frank Jenau
Publikováno v:
High Voltage (2018)
Methods utilising current measurements for conductivity and permittivity determination require precise knowledge of the effective electrode area in order to obtain accurate results. Owing to field distortions (e.g. caused by fringing) in guarded elec
Externí odkaz:
https://doaj.org/article/0f9522976cd84b17a3f36b429b2ad245
Publikováno v:
High Voltage (2018)
To evaluate and optimise insulation coordination concepts for state of the art high-voltage direct current (HVDC) transmission systems, appropriate test voltage shapes are required for laboratory imitation of occurring stresses. While especially tran
Externí odkaz:
https://doaj.org/article/757efb8002eb404aba7941ac09625031
Publikováno v:
2019 54th International Universities Power Engineering Conference (UPEC).
In the event of a pole to ground fault, MMC-HVDC converters are subjected to transient overvoltages, which differ significantly from currently used standard test voltages. Investigations to replicate these voltages on a laboratory scale are valuable
Autor:
Claudius Freye, Frank Jenau
Publikováno v:
2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE).
Material qualification for high voltage direct current (HVDC) transmission applications requires a robust and reproducible determination of conductivity. Addressing insulating materials for the use in HVDC cables, investigations on conductivity are c
Autor:
Frank Jenau, Claudius Freye
Publikováno v:
High Voltage (2018)
Methods utilising current measurements for conductivity and permittivity determination require precise knowledge of the effective electrode area in order to obtain accurate results. Owing to field distortions (e.g. caused by fringing) in guarded elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87147736be95b32f7d8ed95474682073
https://digital-library.theiet.org/content/journals/10.1049/hve.2017.0182
https://digital-library.theiet.org/content/journals/10.1049/hve.2017.0182
Publikováno v:
2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE).
Prior to implementing insulating materials in high voltage direct current (HVDC) applications, the knowledge on conductivity of these materials is of high importance in order to evaluate the associated material stresses and the related field distribu
Autor:
Saskia Josefine Frobin, Dominik Haring, Matthew Kirkley, Gero Schroder, Christoph Felix Niedik, Andre Mannecke, Claudius Freye, Frank Jenau
Publikováno v:
2018 53rd International Universities Power Engineering Conference (UPEC).
Thermal qualification of cables for energy transmission has been well established within science, standardization and testing facilities for decades. Especially, for high voltage direct current (HVDC) cables, heat cycle tests gain momentum. Field dis
Autor:
Christoph Felix Niedik, Dominik Haring, Frank Jenau, Gero Schroder, Saskia Josefine Frobin, Claudius Freye
Publikováno v:
2018 IEEE 2nd International Conference on Dielectrics (ICD).
Today major changes of energy transmission systems are significantly demanded due to the integration of intermittent energy sources. For this purpose, high voltage direct current (HVDC) transmission is seen as a promising approach. As a key component
Autor:
Frank Jenau, Claudius Freye
Publikováno v:
2018 IEEE 2nd International Conference on Dielectrics (ICD).
Knowledge and experimental determination of ac-curate volume resistivity and conductivity is of high importance. Concentrating on measurement arrangements utilizing high voltage supplies, in most cases additional protection units are implemented in o
Publikováno v:
2018 IEEE 2nd International Conference on Dielectrics (ICD).
The relevance of high voltage direct current (HVDC) technology for energy transmission has significantly increased during the last decades. As a key component, extruded cable systems are increasingly used in this transmission technology. Field distri