Power Transformer For On Load Tap Changer Application

Abstract: A power transformer (1) for an on-load tap changer application comprises a winding arrangement (2) with a core (5), several windings (6, 7, 8) wound around the core (5), and a shield (9) located at an outer side of an outermost one of the windings (6, 7, 8), wherein the shield (9) comprises or consists of a conductive or semiconductive material.

Patent Information

Application #

Filing Date

09 June 2025

Publication Number

24/2025

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

HITACHI ENERGY LTD

Brown-Boveri-Strasse 5 8050 Zürich

Inventors

1. VALORI, Valentina

Via Sottomonte 9/A 35043 Monselice

2. CANTINI, Lorenzo

Via Tiziano Vecellio 15 35020 Albignasego (PD)

3. PAVANELLO, Paolo

Via dello Stadio 158/D 35040 Granze

Specification

Documents

Application Documents

#	Name	Date
1	202547055425-STATEMENT OF UNDERTAKING (FORM 3) [09-06-2025(online)].pdf	2025-06-09
2	202547055425-REQUEST FOR EXAMINATION (FORM-18) [09-06-2025(online)].pdf	2025-06-09
3	202547055425-PROOF OF RIGHT [09-06-2025(online)].pdf	2025-06-09
4	202547055425-PRIORITY DOCUMENTS [09-06-2025(online)].pdf	2025-06-09
5	202547055425-FORM 18 [09-06-2025(online)].pdf	2025-06-09
6	202547055425-FORM 1 [09-06-2025(online)].pdf	2025-06-09
7	202547055425-DRAWINGS [09-06-2025(online)].pdf	2025-06-09
8	202547055425-DECLARATION OF INVENTORSHIP (FORM 5) [09-06-2025(online)].pdf	2025-06-09
9	202547055425-COMPLETE SPECIFICATION [09-06-2025(online)].pdf	2025-06-09
10	202547055425-Proof of Right [10-06-2025(online)].pdf	2025-06-10
11	202547055425-FORM-26 [11-06-2025(online)].pdf	2025-06-11