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Construction of a DC current injection generator for HVDC longterm tests up to 5000 A DC at 660 kV DC potential

Hallas, Martin ; Wietoska, Thomas ; Hinrichsen, Volker (2019):
Construction of a DC current injection generator for HVDC longterm tests up to 5000 A DC at 660 kV DC potential. (Publisher's Version)
In: Testing and measuring on electric high-voltage equipment : Highvolt Kolloquium '19, pp. 37-43,
Dresden, Highvolt Kolloquium ’19, Dresden, 9.-10.05.2019, DOI: 10.25534/tuprints-00014258,
[Conference or Workshop Item]

Abstract

DC current injection at high voltage potential allows adequate testing of HVDC components according to their later operation. Several concepts are possible. To achieve high current and high voltage ratings by stacking of several components, capacitive current injection is a reasonable concept. It consists of a feeding unit, the transmission path and the rectifier at high voltage potential. It is shown how the components can be built and which technical parameters are required inside the generator. The overall goal of the project is the upscaling of the concept up to 5000 A DC current on a high DC voltage potential of 660 kV. Challenges and solutions during the design phase of the upscaled generator are discussed. Pictures of the generator components are shown, as well as first experiences with the upscaled generator. Summarized, the contribution demonstrates that this generator concept for DC current injection at high voltage potential is technically feasible for high equipment ratings.

Item Type: Conference or Workshop Item
Erschienen: 2019
Creators: Hallas, Martin ; Wietoska, Thomas ; Hinrichsen, Volker
Origin: Secondary publication service
Status: Publisher's Version
Title: Construction of a DC current injection generator for HVDC longterm tests up to 5000 A DC at 660 kV DC potential
Language: English
Abstract:

DC current injection at high voltage potential allows adequate testing of HVDC components according to their later operation. Several concepts are possible. To achieve high current and high voltage ratings by stacking of several components, capacitive current injection is a reasonable concept. It consists of a feeding unit, the transmission path and the rectifier at high voltage potential. It is shown how the components can be built and which technical parameters are required inside the generator. The overall goal of the project is the upscaling of the concept up to 5000 A DC current on a high DC voltage potential of 660 kV. Challenges and solutions during the design phase of the upscaled generator are discussed. Pictures of the generator components are shown, as well as first experiences with the upscaled generator. Summarized, the contribution demonstrates that this generator concept for DC current injection at high voltage potential is technically feasible for high equipment ratings.

Title of Book: Testing and measuring on electric high-voltage equipment : Highvolt Kolloquium '19
Place of Publication: Dresden
Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electrical Power Systems > High Voltage Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electrical Power Systems
Event Title: Highvolt Kolloquium ’19
Event Location: Dresden
Event Dates: 9.-10.05.2019
Date Deposited: 30 Nov 2020 15:03
DOI: 10.25534/tuprints-00014258
Official URL: https://tuprints.ulb.tu-darmstadt.de/14258
URN: urn:nbn:de:tuda-tuprints-142589
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