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A Transformer Arrangement

Abstract: The disclosure relates to a transformer arrangement (1) having at least one transformer (10) comprising a transformer core (12), which transformer core (12) comprises a bottom yoke (14) and a top yoke (16) interconnected by at least one limb (18) extending along a first axis (a). At least a first winding (20) and a second winding (22) are coaxially arranged around the at least one limb (18). An auxiliary winding (28) is arranged around the at least one limb (18), positioned axially between the first and second windings (20, 22), and the bottom yoke (14) or the top yoke (16). The auxiliary winding is magnetically coupled to the at least first winding (20) and/or the second winding (22). The transformer arrangement (1) further comprises a series reactor (30) connected to the auxiliary winding (28), and at least one support element (24) positioned between an axial end of the first and second windings and the bottom yoke (14) and/or the top yoke (16), wherein the auxiliary winding (28) is supported by the support element (24), and at least partially embedded in the support element (24).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
23 October 2025
Publication Number
48/2025
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

HITACHI ENERGY LTD
Brown-Boveri-Strasse 5 8050 Zürich

Inventors

1. LYSELL, Erik
Högbergsgatan 79 771 35 Ludvika
2. WEDIN, Erik Carl
Welamssons väg 21 656 38 Karlstad
3. ASTRAND, Peter
Rörby 201 743 82 Bälinge

Specification

Documents

Application Documents

# Name Date
1 202547102046-STATEMENT OF UNDERTAKING (FORM 3) [23-10-2025(online)].pdf 2025-10-23
2 202547102046-REQUEST FOR EXAMINATION (FORM-18) [23-10-2025(online)].pdf 2025-10-23
3 202547102046-PROOF OF RIGHT [23-10-2025(online)].pdf 2025-10-23
4 202547102046-PRIORITY DOCUMENTS [23-10-2025(online)].pdf 2025-10-23
5 202547102046-FORM 18 [23-10-2025(online)].pdf 2025-10-23
6 202547102046-FORM 1 [23-10-2025(online)].pdf 2025-10-23
7 202547102046-DRAWINGS [23-10-2025(online)].pdf 2025-10-23
8 202547102046-DECLARATION OF INVENTORSHIP (FORM 5) [23-10-2025(online)].pdf 2025-10-23
9 202547102046-COMPLETE SPECIFICATION [23-10-2025(online)].pdf 2025-10-23
10 202547102046-FORM-26 [24-10-2025(online)].pdf 2025-10-24
11 202547102046-Proof of Right [27-10-2025(online)].pdf 2025-10-27