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
Other languages
English (en)
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 (zh)
CN (1) CN104380400B (zh)
BR (1) BR112014030054A8 (zh)
PL (1) PL2669910T3 (zh)
WO (1) WO2013178447A1 (zh)
ZA (1) ZA201407960B (zh)

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 (zh) * 2016-06-06 2019-07-12 国家电网公司 智能电网的二次设备的模拟量校核方法以及装置
CN109166755B (zh) * 2018-10-19 2023-08-22 国网河南省电力公司新安县供电公司 一种应用于10kv配电线路上的油断路器
CN112858718B (zh) * 2021-01-21 2023-09-05 广东电网有限责任公司 一种变压器渗漏油的油速测量方法、装置及系统

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 (it) * 1998-03-19 1999-09-19 Comem Spa Rele' perfezionato di tipo buchholz
AU2002100385A4 (en) * 2002-05-15 2002-06-20 John Owen Williams Improvement to the design and construction of a Buchholz type relay for transformer protection
ITVI20070223A1 (it) * 2007-08-07 2009-02-08 Comem Spa Rele di buchholz per la protezione di apparecchiature elettriche di potenza isolate in olio.

Also Published As

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

Similar Documents

Publication Publication Date Title
PL2645395T3 (pl) Elektryczne urządzenie przełączające i związane z nim urządzenie elektryczne
ZA201503113B (en) Planar transformer
PL2841955T4 (pl) Sposób i urządzenie do ochrony transformatorów mocy przed znacznymi zakłóceniami elektromagnetycznymi
HK1212812A1 (zh) 逆變器裝置、變壓器及變壓器的製造方法
PL2888639T3 (pl) Transformator rozdzielczy
EP2800220A4 (en) CONTROL AND PROTECTION DEVICE FOR ELECTRIC LOW VOLTAGE DEVICE
EP2836937A4 (en) METHOD AND APPARATUS FOR FACILITATING SWITCHING BETWEEN DEVICES
EP2880732A4 (en) DEVICE WITH A CONTROLLABLE GROUNDING TRANSFORMER
PL2873078T3 (pl) Hybrydowe rdzenie transformatorowe
HUE043610T2 (hu) Transzformátor-szigetelés
HK1201634A1 (zh) 帶負載分接轉換裝置的變壓器
EP2888792A4 (en) ELECTRICAL PROTECTION
EP2932517A4 (en) DEVICE FOR INDUCTION TRANSMISSION OF ELECTRICAL ENERGY
EP2899860A4 (en) WINDING DEVICE AND WRAPPING PROCESS
EP2901463A4 (en) SINGLE PHASE ELECTRIC FURNACE TRANSFORMER
ZA201407960B (en) Safety device for electrical transformers and related electrical transformer
EP2787516A4 (en) TRANSFORMER AND TRANSFORMING DEVICE THEREFOR
SG11201503837YA (en) Device and method for distribution of electrical energy
PL2885480T3 (pl) Zabezpieczające urządzenie i sposób
EP2859563A4 (en) HYBRID MECHANICAL AND ELECTRIC TRANSFORMER MONITOR
GB201908765D0 (en) Electrical safety device
EP2879138A4 (en) AMORPHOUS CORE TRANSFORMER
EP2882113A4 (en) ELECTRICAL DEVICE
EP2822044A4 (en) METHOD OF REMOVING AND DEVICE FOR REMOVING LADDER ELEMENTS DEVELOPMENT
PL2688081T3 (pl) Urządzenie zabezpieczające dla transformatora mocy i powiązany transformator mocy wykorzystujący takie urządzenie zabezpieczające