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    31.
    发明专利
    未知

    公开(公告)号：DE69815811T2

    公开(公告)日：2004-08-19

    申请号：DE69815811

    申请日：1998-01-05

    Applicant: ABB TECHNOLOGY AG ZUERICH

    Inventor： OOMMEN V ,  CLAIBORNE CLAIR

    IPC: C11C3/00 ,  C10M105/24 ,  C10M105/42 ,  C10M145/14 ,  C10N30/02 ,  C10N30/10 ,  C10N30/14 ,  C10N40/16 ,  H01B3/20

    Abstract: High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having the properties of a dielectric strength of at least 35 KV/100 mil gap, a dissipation factor of less than 0.05% at 25NC, acidity of less than 0.03 mg KOH/g, electrical conductivity of less than 1 pS/m at 25NC, a flash point of at least 250NC and a pour point of at least -15NC are disclosed. Electrical insulation fluids comprising the triglyceride composition are disclosed. Electrical insulation fluids that comprise the triglyceride composition and a combination of additives are disclosed. Electrical apparatuses comprising the electrical insulation fluids and the use of electrical insulation fluids to provide insulation in electrical apparatuses are disclosed. A process for preparing the high oleic acid triglyceride composition is disclosed.

    33.
    发明专利
    未知

    公开(公告)号：DE69916265D1

    公开(公告)日：2004-05-13

    申请号：DE69916265

    申请日：1999-06-01

    Applicant: ABB TECHNOLOGY AG ZUERICH

    Inventor： BACKA JOHAN ,  ENGMAN KARL ,  HALDIN TORVALD ,  VIRTANEN ESA

    IPC: H01F27/02

    Abstract: A container (2) with an oil immersed core (1) and windings has corrugated walls. Bushing insulators (9,10) have pressure-resistant and water-resistant cable shoes (11). A tank encompasses another container (4) filled with insulating oil (3) and has pressure-resistant cable bushing (13) and connectors for electrical connections of the transformer.

    35.
    发明专利
    未知

    公开(公告)号：DE10318379A1

    公开(公告)日：2003-11-20

    申请号：DE10318379

    申请日：2003-04-23

    Applicant: ABB TECHNOLOGY AG ZUERICH

    Inventor： LANNI ARTHUR ,  ORAVSKY JOSEPH ,  VU TRI D

    IPC: B21D5/04 ,  B21D5/00 ,  B21D5/01

    Abstract: A presently-preferred process for bending a workpiece includes placing a first portion of the workpiece on a substantially flat surface so that a second portion of the workpiece overhangs an edge of the substantially flat surface, and securing the first portion of the workpiece on the substantially flat surface by clamping the workpiece between the substantially flat surface and a substantially v-shaped end portion of a male die. The presently-preferred process also includes causing the second portion of the workpiece to pivot around a tip of the substantially v-shaped end portion by rotating a bending die around the tip while the bending die contacts the second portion of the workpiece.

    38.
    发明专利
    未知

    公开(公告)号：DE69928393D1

    公开(公告)日：2005-12-22

    申请号：DE69928393

    申请日：1999-09-01

    Applicant: ABB TECHNOLOGY AG ZUERICH

    Inventor： CEREDA CARLO ,  GEMME CARLO ,  MORATTO ANDREA ,  LICHTENBERG GUNTER

    IPC: H01H9/56 ,  H02H9/00

    Abstract: A method for controlling the closing operation of a switching device, disposed on a electrical network connected to an inductive component, comprising the following steps: acquiring first data related to the electrical characteristics of said inductive component and said network; based on said first data, selecting, on predefined first storage means containing opening and closing operation sequences, a first predefined opening operation sequence; based on said first predefined opening operation sequence, selecting, on said first storage means, a first predefined closing operation sequence.

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