Patent CA-3091461-C (CA)
Title: Insulation of non-liquid immersed transformers
Inventor: SANCHEZ LAGO LUIS
IPC: G01R27/26
Filed: 2019-02-14
Granted: 2021-05-25
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY  (PCT) (19) World Intellectual Property Organization International Bureau       (10) International Publication Number (43) International Publication Date    .....0="1      WO 2019/158665 Al 22 August 2019 (22.08.2019)       WIPO I PCT (51) International Patent Classification:                                           (74) Agent: ZBM PATENTS - ZEA, BARLOCCI & H01F 27/40 (2006.01)                G01R 27/26 (2006.01) MARKVARDSEN; Pl. Catalunya, 1 2nd floor, 08002 H01F 27/32 (2006.01)                GO1R 31/12 (2006.01)    BARCELONA (ES). (21) International Application Number:                                              (81) Designated States (unless otherwise indicated, for every PCT/EP2019/053740                        kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (22) International Filing Date: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, 14 February 2019 (14.02.2019) DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (25) Filing Language:                     English HR, HU, ED, EL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (26) Publication Language:                English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (30) Priority Data:                                                                 OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 18382087.7                                15 February 2018 (15.02.2018) EP          SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: ABB SCHWEIZ AG [CH/CH]; Brown Boveri Strasse 6, 5400 BADEN (CH).                                                         (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (72) Inventors: SANCHEZ LAGO, Luis; C. Zaragoza, 26, 5 GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, C, 36203 VIGO (ES). ROY MARTiN, Carlos; C. San-UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, ta Teresa de Jesús, 9, 3  B, 50006 ZARAGOZA (ES).                                   TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, MURILLO, Rafael; C. Madre Sacramento, 53, 40 A, EE, ES, FI, FR, GB, GR, HR, HU, EE, IS, IT, LT, LU, LV, 50004 ZARAGOZA (ES). CEBRIAN LLES, Lorena; C. MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, .    Monte Perdido N  3 casa 27, 50015 ZARAGOZA (ES). TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, NOGUES BARRIERAS, Antonio; Plaza de Espafia, 14,    KM, ML, MR, NE, SN, TD, TG). . 22200 SARINENA (ES). (54) Title: INSULATION OF NON-LIQUID IMMERSED TRANSFORMERS . (57) Abstract: Non-liquid immersed transformers and methods of mea-_ =             205                   suring aging degree of the transformers insulation are disclosed. The trans-no                /                  23or i                                       formers comprise a solid insulation inside the conductive coil and one or .                                   more floating electrodes in the solid insulation. At least a part of the con-.            115 =              225      2n       I 2    ductive coil and the one or more floating electrodes may form one or more a I      .    i            0     1 y i    pcaepaeittitivveitye,leomf ethnetsc, arpeaspceiticvtieveellye.mAennteilsecmtrieacsaurl 220           ??0 peardandetthele eagginegodinepglreexe 1 , . _ ¨ w% _        1 1               il 0,4!        29T =        : , I , , ¨        ; Il -'.. 11 Gie kin Il -...... GT     li    Fig. 26 el c [Continued on next page]     WO 2019/158665 Al I11111 NMI II lIllIl 11111 11111 3E111 I II 111 0111 1011 lll lHl 1011 1101111111111111111111 Declarations under Rule 4.17: ¨    as to applicant's entitlement to apply for and be granted a patent (Rule 4.1700) Published: ¨    with international search report (Art. 21(3))