Abb Schweiz Ag

Abb Research Ltd.

Nkt Hv Cables Ab

Nkt Hv Cables Gmbh

Andrej Krivda

Yannick Maret

Kai Hencken

Jörg Gebhardt

Rudi Velthuis

Jens Rocks

Felix Greuter

Martin Carlen

Holger Kaul

Xavier Kornmann

Nikolaus Zant

Bandeep Singh

Andreas Farkas

Leopold Ritzer

Cherif Ghoul

Henrik Hillborg

Vincent Tilliette

Adam Michalik

Henning Fuhrmann

Gustavo Dominguez

Chau-Hon Ho

Lei Xie

Stephen Clifford

Alessandro Mattozzi

Krzysztof Dudek

Faustine Soyeux

Lars E Schmidt

Anneli Jedenmalm

Pitor Saj

Jörg Lehmann

Andreas Friberg

Veronika Schmid

Emmanuel Logakis

Lars Schmidt

Chau-hon Ho

A detection system for detecting an electrical discharge in an electrical apparatus includes a first sensing device that senses an acoustic wave and an electromagnetic wave and generates a first combined signal. A signal processing device processes the first combined signal and determines the occurrence and properties of an electrical discharge.

Method for detecting an electrical discharge in an electrical apparatus and system therefor

The present disclosure provides a detection system that includes a first sensing device configured for sensing an acoustic wave and an electromagnetic wave and generating a first combined signal and a signal processing device configured to determine the occurrence and properties of an electrical discharge.

The present disclosure provides a method for detecting an electrical discharge in an electrical apparatus. The method includes sensing an electromagnetic wave using an electrical sensor and generating an electric signal for a predetermined time period, sensing an acoustic wave using an acoustic sensor and generating an acoustic signal for the predetermined time period. The acoustic sensor is associated with at least one compartment of the electrical apparatus. Electrical data is generated based on a quasi-periodic characteristic of electric peak sequences of the electrical signal. Acoustic data is generated based on a quasi-periodic characteristic of acoustic peak sequences of the acoustic signal, wherein the electrical data is combined with the acoustic data to provide an operation status of the at least one compartment.

Method for detecting an electrical discharge in an electrical apparatus and a system therefor

A multi-phase busbar for conducting electric energy includes: a base layer of an insulating material; a first conducting layer of a sheet metal; a first insulating layer of an insulating material arranged on the first conducting layer; a second conducting layer of a sheet metal arranged on the insulating layer; and a second layer of an electrically insulating material which is arranged on the second conducting layer. The first and/or second insulating layers include spacers, each spacer including a layer of a rigid insulating material. At least one of the spacers is glued to an electrically insulating coating of the first and/or second conducting layer, and/or at least one of the spacers is glued to an electrically conductive surface of an uncoated first and/or second conducting layer by an adhesive.

Multl-phase layered busbar for conducting electric energy wherein the layers are glued together, method of manufactoring the same and switchboard cabinet including such a busbar

A multi-phase busbar for conducting electric energy includes: an insulating base layer made of an insulating material; a first conducting layer made of a sheet metal arranged on and adhesively bonded to the base layer; a first connecting pin mounted to the first conducting layer which extends in a direction with respect to the first conducting layer; a first insulating layer arranged on and adhesively bonded to the first conducting layer; a second conducting layer made of a sheet metal arranged on and adhesively bonded to the first insulating layer, the second conducting layer including a second connecting pin which extends in a direction parallel to the first connecting pin; and a second insulating layer arranged on and adhesively bonded to the second conducting layer. The second conducting layer and the first and second insulating layer each include at least one pinhole through which the first connecting pin projects.

Multi-phase busbar for conducting electric energy and method of manufacturing the same

The present invention relates to a polymer composition suitable for the manufacture of an electrical insulation layer for cables having superior mechanical and electrical properties and being environmentally friendly, to a cable comprising said polymer composition as well as to the use of the polymer composition as an electrical insulation layer in cables.

Thermoplastic blend formulations for cable insulations

A multi-phase busbar can include a first conducting layer, a first conducting pin, a first insulating layer, and a second conducting layer. The first conducting layer can include a sheet metal coated with an electrically insulating material. The first conducting pin can be mounted to the first conducting layer. The first conducting pin can extend in a direction perpendicular to the first conducting layer. The first insulating layer of a rigid insulating material can be arranged on the first conducting layer. The first insulating layer can define an opening through which the first conducting pin projects. The second conducting layer can include a sheet metal coated with an electrically insulating material, the second conducting layer comprising a first pinhole through which the first conducting pin projects and a second conducting pin which extends in a direction parallel to the first conducting pin.

Multi-phase busbar for energy conduction

Polymer concrete electrical insulation including a hardened epoxy resin composition filled with an electrically non-conductive inorganic filler compositions. The polymer concrete electrical insulation system optionally may contain additives. The epoxy resin composition is based on a cycloaliphatic epoxy resin. The inorganic filler composition can be present within the range of about 76% by weight to about 86% by weight, calculated to the total weight of the polymer concrete electrical insulation system. The inorganic filler composition includes a uniform mixture of (i) an inorganic filler with an average grain size within the range of 1 micron (&#x3bc;m) to 100 micron (&#x3bc;m) [component c(i)], and (ii) an inorganic filler with an average grain size within the range of 0.1 mm (100 micron) to 2 mm [component c(ii)]. The inorganic filler with an average grain size within the range of 1 micron (&#x3bc;m) to 100 micron (&#x3bc;m) [component c(i)] can be present in an amount within the range of 22% to 42%, calculated to the total weight of the polymer concrete electrical insulation system; and (e) the inorganic filler with an average grain size within the range of 0.1 mm to 2 mm [component c(ii)] is present within the range of 41% to 61% by weight, calculated to the total weight of the polymer concrete electrical insulation; and method of producing said electrical insulation.

Polymer concrete electrical insulation

The disclosure relates to a method for partial discharge testing of an insulation component, wherein at least one X-ray pulse is applied to the insulation component, an AC voltage is applied to the insulation component and the partial discharge induced by the at least one X-ray pulse is measured, wherein the dose rate of the at least one X-ray pulse is at least about 10Gray/s. The disclosure relates further to a system for partial discharge testing of an insulation component which includes a flash X-ray source for generating at least one X-ray pulse, an AC voltage source, a voltage sensor, a partial discharge sensor and a partial discharge detection device for evaluating the measured partial discharge.

Method and system for partial discharge testing of an insulation component

A high temperature vulcanized silicone rubber is disclosed and includes a high temperature vulcanized silicone rubber as a silicone base and melamine cyanurate as a filler and at least one inorganic filler which is different from melamine cyanurate, and optionally further additives. A total filler content can be within a range of 40 parts (by weight) to 230 parts (by weight) per 100 parts (by weight) of silicone base; wherein (i) the melamine cyanurate is present within a range of 2 parts (by weight) to 40 parts (by weight) per 100 parts (by weight) of silicone base; and (ii) the at least one inorganic filler is an electrical insulator.

High temperature vulcanized silicone rubber

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Wettingen, Switzerland

Andrej Krivda