Technische Eigenschaften und Umweltaspekte von Polypropylenisolierten Mittel- und Hochspannungskabeln

Translated title of the contribution: Technical Properties and Environmental Aspects of Polypropylene insulated Medium and High Voltage Cables

Uwe Schichler*, Patrik Alexander Ratheiser, Bernhard Schober, Thomas Kulmer, Markus Pieber, Detlef Wald

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

Abstract

For decades, cross-linked polyethylene has been used almost exclusively as an insulating material for extruded mediumand
high-voltage cables. XLPE cables offer significant technical and ecological advantages over the earlier mass-impregnated
or oil/paper-insulated cables and are now available for operating voltages of up to 550 kV at AC and ±640 kV at
DC, as well as a maximum operating temperature of 90 °C. From today's point of view, the disadvantages of XLPE cables
are the high energy consumption during production and the limited recyclability. For some years now, polypropylene has
been used as an innovative and, in particular, environmentally friendly base material for cable insulation in high-voltage
technology, with comparable or better technical properties than XLPE, a significant reduction in CO2 emissions during
cable production and very good recyclability of the insulation material. Polypropylene is a thermoplastic material that
allows simplified cable production compared to XLPE cables, does not require crosslinking of the insulation and thus no
energy-intensive degasing of the crosslinking decomposition products, and permits a maximum operating temperature of
110 °C. Due to historical development, PP insulated cables are currently mainly used in the MV range in Italy and the
Netherlands. PP cables are nowadays in service for voltages up to 150 kV at AC and are available for operating voltages
up to ±600 kV at DC. PP-insulated cables are used in the current HVDC cable projects in Germany.
In this report, in addition to an overview of the technical characteristics and environmental aspects of PP-insulated medium-
and high-voltage cables, an investigation of a 12/20 kV PP AC cable for medium-voltage direct current transmission
is presented and discussed.
Translated title of the contributionTechnical Properties and Environmental Aspects of Polypropylene insulated Medium and High Voltage Cables
Original languageGerman
Title of host publicationVDE Hochspannungstechnik
PublisherVDE
Pages320 - 325
Number of pages6
ISBN (Print)978-3-8007-5978-1
Publication statusPublished - Nov 2022
Event2022 ETG-Fachtagung VDE Hochspannungstechnik - Berlin, Germany
Duration: 8 Nov 202210 Nov 2022

Publication series

NameETG-Fachbericht
Volume169

Conference

Conference2022 ETG-Fachtagung VDE Hochspannungstechnik
Country/TerritoryGermany
CityBerlin
Period8/11/2210/11/22

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