EP 2361435 B2 20180411 - TRANSFORMER FOR TRANSFORMATION BETWEEN MEDIUM AND LOW VOLTAGE WITH A STEP SWITCH AND ITS OPERATING METHOD
Title (en)
TRANSFORMER FOR TRANSFORMATION BETWEEN MEDIUM AND LOW VOLTAGE WITH A STEP SWITCH AND ITS OPERATING METHOD
Title (de)
TRANSFORMATOR ZUR TRANSFORMATION ZWISCHEN MITTEL- UND NIEDERSPANNUNG MIT STUFENSCHALTUNG UND VERFAHREN ZU DESSEM BETRIEB
Title (fr)
TRANSFORMATEUR POUR TRANSFORMATION ENTRE MOYENNE ET BASSE TENSION AVEC UN COMMUTATEUR A GRADINS ET PROCEDE DE SON OPERATION
Publication
Application
Priority
- EP 2009067207 W 20091215
- DE 102008064487 A 20081222
Abstract (en)
[origin: WO2010072623A1] The invention relates to a tapping switch for medium-/low-voltage transformers that is based on one or more mechanical switches. During switchover, the current is conducted over semiconductor switches in order to ensure freedom from interruption.
IPC 8 full level
H01F 29/04 (2006.01)
CPC (source: EP)
H01F 29/04 (2013.01)
Citation (opposition)
Opponent :
- DE 19609024 A1 19970911 - DUERRWAECHTER E DR DODUCO [DE]
- DE 2214950 A1 19721012 - WESTINGHOUSE ELECTRIC CORP
- DE 2847391 A1 19800514 - GIESENHAGEN KG
- DE 69611176 T2 20010517 - RENDEL B V [NL]
- JP H10285836 A 19981023 - NEC CORP
- US 2002003420 A1 20020110 - HAMMOND PETER [US]
- DE 69405339 T2 19980402 - NAT GRID CO PLC [GB]
- AINETTER J. ET AL: "Hybrider Transformatorstufenschalter TADS-ein zukuntweisendes Konzept zur Verlängerung der Wartungsintervalle", E&I ELEKTROTECHNIK UND INFORMATIONSTECHNIK, vol. 116, no. 11, November 1999 (1999-11-01), pages 636 - 641
- HARLOW J.H.: "Step-voltage regulators apply thrystors for arcless switching", DIEMENS ENERGY & AUTOMATION TECHNOLOGY, March 1986 (1986-03-01), pages 16 - 18, XP055238023
- COOKE G.H. ET AL: "New thyristor assisted diverter switch for on load transformer tap changers", IEE PROCEEDINGS-B, vol. 139, no. 6, November 1992 (1992-11-01), pages 507 - 511, XP000343942
- SHUTTLEWORTH R.ET AL: "A novel thyristor-assisted tap changer scheme", CIRED CONFERENCE PUBLICATION, vol. 97, no. 438, 2 June 1997 (1997-06-02), pages 1.28.1 - 1.28.5
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
DE 102008064487 A1 20100624; AU 2009331685 A1 20100701; BR PI0924890 A2 20150707; CN 102209998 A 20111005; CN 102209998 B 20160120; EP 2361435 A1 20110831; EP 2361435 B1 20150128; EP 2361435 B2 20180411; ES 2530433 T3 20150302; ES 2530433 T5 20180801; PL 2361435 T3 20150731; PL 2361435 T5 20181031; RU 2011130542 A 20130127; RU 2516462 C2 20140520; UA 103786 C2 20131125; WO 2010072623 A1 20100701
DOCDB simple family (application)
DE 102008064487 A 20081222; AU 2009331685 A 20091215; BR PI0924890 A 20091215; CN 200980144210 A 20091215; EP 09797014 A 20091215; EP 2009067207 W 20091215; ES 09797014 T 20091215; PL 09797014 T 20091215; RU 2011130542 A 20091215; UA A201107828 A 20091215