ZA201407960B - Safety device for electrical transformers and related electrical transformer - Google Patents

Safety device for electrical transformers and related electrical transformer

Info

Publication number
ZA201407960B
ZA201407960B ZA2014/07960A ZA201407960A ZA201407960B ZA 201407960 B ZA201407960 B ZA 201407960B ZA 2014/07960 A ZA2014/07960 A ZA 2014/07960A ZA 201407960 A ZA201407960 A ZA 201407960A ZA 201407960 B ZA201407960 B ZA 201407960B
Authority
ZA
South Africa
Prior art keywords
electrical
safety device
transformers
transformer
electrical transformer
Prior art date
Application number
ZA2014/07960A
Inventor
Tonin Andrea
Carollo Carlo
Leonardo Manco Giuseppe
Original Assignee
Abb Technology Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Technology Ag filed Critical Abb Technology Ag
Publication of ZA201407960B publication Critical patent/ZA201407960B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Fluid-Pressure Circuits (AREA)
ZA2014/07960A 2012-05-31 2014-10-31 Safety device for electrical transformers and related electrical transformer ZA201407960B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12425103.4A EP2669910B1 (en) 2012-05-31 2012-05-31 Safety device for electrical transformers and related electrical transformer
PCT/EP2013/059671 WO2013178447A1 (en) 2012-05-31 2013-05-08 Safety device for electrical transformers and related electrical transformer

Publications (1)

Publication Number Publication Date
ZA201407960B true ZA201407960B (en) 2015-11-25

Family

ID=48430756

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/07960A ZA201407960B (en) 2012-05-31 2014-10-31 Safety device for electrical transformers and related electrical transformer

Country Status (6)

Country Link
EP (1) EP2669910B1 (en)
CN (1) CN104380400B (en)
BR (1) BR112014030054A8 (en)
PL (1) PL2669910T3 (en)
WO (1) WO2013178447A1 (en)
ZA (1) ZA201407960B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3098827B1 (en) * 2015-05-26 2018-10-17 ABB Schweiz AG Flow vent adjustable system for buchholz relay
CN106093636B (en) * 2016-06-06 2019-07-12 国家电网公司 The analog quantity check method and device of the secondary device of smart grid
CN109166755B (en) * 2018-10-19 2023-08-22 国网河南省电力公司新安县供电公司 Oil circuit breaker applied to 10KV distribution line
CN112858718B (en) * 2021-01-21 2023-09-05 广东电网有限责任公司 Oil speed measuring method, device and system for oil leakage of transformer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642397A (en) * 1921-09-26 1927-09-13 Buchholz Max Method and means for protecting liquid-insulated electric apparatus
ITPD980059A1 (en) * 1998-03-19 1999-09-19 Comem Spa BUCHHOLZ TYPE PERFECTED RELAY
AU2002100385B4 (en) * 2002-05-15 2002-06-20 John Owen Williams Modified buchholz relay for continuous monitoring of gas generated by transformer internal faults
ITVI20070223A1 (en) * 2007-08-07 2009-02-08 Comem Spa BUCHHOLZ RELAY FOR THE PROTECTION OF ELECTRIC POWER EQUIPMENT INSULATED IN OIL.

Also Published As

Publication number Publication date
WO2013178447A1 (en) 2013-12-05
EP2669910B1 (en) 2015-07-01
BR112014030054A8 (en) 2017-12-26
CN104380400A (en) 2015-02-25
EP2669910A1 (en) 2013-12-04
BR112014030054A2 (en) 2017-06-27
PL2669910T3 (en) 2016-04-29
CN104380400B (en) 2017-08-08

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