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Current Damper For Voltage Transformer

Abstract: The present disclosure relates to a current damper for a voltage transformer, comprising a first section comprising at least one pair of diodes arranged in an anti-parallel configuration; a second section arranged parallel to the first section, and comprising at least one capacitor; and the first section and the second section being configured to be coupled between a neutral connection of the voltage transformer and a ground potential. The present disclosure also relates to a system for current damping comprising a plurality of current dampers. The present disclosure also relates to a medium voltage or high voltage transformer comprising a current damper, a medium voltage or high voltage switchgear comprising a current damper, and/or a medium voltage or high voltage switchgear comprising a medium voltage or high voltage transformer.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
12 October 2023
Publication Number
42/2023
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

HITACHI ENERGY LTD
Brown-Boveri-Strasse 5 8050 Zürich

Inventors

1. BONMANN, Dietrich
Siebengebirgsring 62 53340 Meckenheim

Specification

Documents

Application Documents

# Name Date
1 202347068591-STATEMENT OF UNDERTAKING (FORM 3) [12-10-2023(online)].pdf 2023-10-12
2 202347068591-PROOF OF RIGHT [12-10-2023(online)].pdf 2023-10-12
3 202347068591-PRIORITY DOCUMENTS [12-10-2023(online)].pdf 2023-10-12
4 202347068591-FORM 18 [12-10-2023(online)].pdf 2023-10-12
5 202347068591-FORM 1 [12-10-2023(online)].pdf 2023-10-12
6 202347068591-DRAWINGS [12-10-2023(online)].pdf 2023-10-12
7 202347068591-DECLARATION OF INVENTORSHIP (FORM 5) [12-10-2023(online)].pdf 2023-10-12
8 202347068591-COMPLETE SPECIFICATION [12-10-2023(online)].pdf 2023-10-12
9 202347068591-FORM-26 [16-10-2023(online)].pdf 2023-10-16
10 202347068591-FORM 3 [26-02-2024(online)].pdf 2024-02-26
11 202347068591-FER.pdf 2025-03-25
12 202347068591-FORM 3 [19-05-2025(online)].pdf 2025-05-19
13 202347068591-FORM 3 [19-05-2025(online)]-1.pdf 2025-05-19
14 202347068591-OTHERS [05-08-2025(online)].pdf 2025-08-05
15 202347068591-FER_SER_REPLY [05-08-2025(online)].pdf 2025-08-05
16 202347068591-DRAWING [05-08-2025(online)].pdf 2025-08-05
17 202347068591-CLAIMS [05-08-2025(online)].pdf 2025-08-05
18 202347068591-ABSTRACT [05-08-2025(online)].pdf 2025-08-05

Search Strategy

1 202347068591_SearchStrategyNew_E_202347068591ferE_21-03-2025.pdf