ITPD980061A1 - Rele' perfezionato ad accumulo di gas tipo buchholz - Google Patents

Rele' perfezionato ad accumulo di gas tipo buchholz

Info

Publication number
ITPD980061A1
ITPD980061A1 IT98PD000061A ITPD980061A ITPD980061A1 IT PD980061 A1 ITPD980061 A1 IT PD980061A1 IT 98PD000061 A IT98PD000061 A IT 98PD000061A IT PD980061 A ITPD980061 A IT PD980061A IT PD980061 A1 ITPD980061 A1 IT PD980061A1
Authority
IT
Italy
Prior art keywords
relay
float
pin
holder support
fact
Prior art date
Application number
IT98PD000061A
Other languages
English (en)
Italian (it)
Inventor
Lago Silvio Dal
Original Assignee
Comem Spa
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 Comem Spa filed Critical Comem Spa
Priority to IT98PD000061A priority Critical patent/ITPD980061A1/it
Priority to ES99104056T priority patent/ES2310021T3/es
Priority to EP99104056A priority patent/EP0945951B1/de
Priority to AT99104056T priority patent/ATE399385T1/de
Priority to DE69938948T priority patent/DE69938948D1/de
Publication of ITPD980061A1 publication Critical patent/ITPD980061A1/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/24Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40Switches 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Level Indicators Using A Float (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Organic Insulating Materials (AREA)
IT98PD000061A 1998-03-24 1998-03-24 Rele' perfezionato ad accumulo di gas tipo buchholz ITPD980061A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT98PD000061A ITPD980061A1 (it) 1998-03-24 1998-03-24 Rele' perfezionato ad accumulo di gas tipo buchholz
ES99104056T ES2310021T3 (es) 1998-03-24 1999-03-17 Rele buchholz de acumulacion de gas mejorado.
EP99104056A EP0945951B1 (de) 1998-03-24 1999-03-17 Verbessertes Gasspeicherbuchholzrelais
AT99104056T ATE399385T1 (de) 1998-03-24 1999-03-17 Verbessertes gasspeicherbuchholzrelais
DE69938948T DE69938948D1 (de) 1998-03-24 1999-03-17 Verbessertes Gasspeicherbuchholzrelais

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT98PD000061A ITPD980061A1 (it) 1998-03-24 1998-03-24 Rele' perfezionato ad accumulo di gas tipo buchholz

Publications (1)

Publication Number Publication Date
ITPD980061A1 true ITPD980061A1 (it) 1999-09-24

Family

ID=11392112

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98PD000061A ITPD980061A1 (it) 1998-03-24 1998-03-24 Rele' perfezionato ad accumulo di gas tipo buchholz

Country Status (5)

Country Link
EP (1) EP0945951B1 (de)
AT (1) ATE399385T1 (de)
DE (1) DE69938948D1 (de)
ES (1) ES2310021T3 (de)
IT (1) ITPD980061A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103620719B (zh) * 2011-06-22 2016-07-13 赖茵豪森机械制造公司 布克霍尔茨继电器
ES2560814T3 (es) * 2012-07-20 2016-02-22 Abb Technology Ag Dispositivo de seguridad para un transformador de energía, y transformador de energía relacionado que usa dicho dispositivo de seguridad
CN103681099B (zh) * 2013-12-11 2015-10-14 国家电网公司 一种带远程控制的瓦斯继电器
CN105826128B (zh) * 2015-01-07 2018-06-19 国家电网公司 多功能双浮子气体继电器
CN111161977B (zh) * 2020-01-23 2024-11-05 广东电网有限责任公司 一种多浮筒式瓦斯继电装置
CN112038172B (zh) * 2020-07-15 2023-03-10 国网山东省电力公司青岛供电公司 一种瓦斯继电器自动排气装置、排气方法及瓦斯继电器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1012247A (fr) * 1949-07-15 1952-07-07 Trist & Co Ltd Ronald Perfectionnements aux dispositifs magnétiques commandés par flotteur
ES324856A1 (es) * 1965-03-30 1967-02-16 Licentia Patent-Verwaltungs G M B H Sistema de vigilancia y de desconexion para aparatos electricos con aislamiento liquido.
US5426271A (en) * 1994-01-18 1995-06-20 Honeywell Inc. Liquid level sensor

Also Published As

Publication number Publication date
EP0945951B1 (de) 2008-06-25
ES2310021T3 (es) 2008-12-16
EP0945951A3 (de) 2000-06-07
DE69938948D1 (de) 2008-08-07
EP0945951A2 (de) 1999-09-29
ATE399385T1 (de) 2008-07-15

Similar Documents

Publication Publication Date Title
ITPD980061A1 (it) Rele' perfezionato ad accumulo di gas tipo buchholz
US5864455A (en) In-line cord ground fault circuit interrupter
US2769121A (en) Electrical instruments
CN109103050B (zh) 一种提高气体密度继电器精度的方法
CN109216107A (zh) 一种高精度sf6气体密度继电器及其实现方法
ITPD980059A1 (it) Rele' perfezionato di tipo buchholz
US3559457A (en) Hydrogen detector
DE69908138D1 (de) Schalterpol mit integriertem optischen stromsensor
US2098085A (en) Liquid level indicator
KR900015203A (ko) 누전경보기능부 회로차단기
US3761776A (en) Multi-phase electric circuit breaker
US2945379A (en) Accelerometer and magneto-resistive electromechanical transducer used therein
US5742216A (en) Contact making and breaking device and system for measuring low current
CA1079357A (en) Ground fault protector with interchangeable rating plug
US1004420A (en) Contacting device for electrical measuring and indicating instruments.
US2184304A (en) Magneto breaker contact point opening and closing indicator
US1779294A (en) Indicating instrument switch
RU1811588C (ru) Сигнализатор уровн жидкости
KR850000989Y1 (ko) 과전류 차단 및 검지회로
KR810000199Y1 (ko) 누전차단기의 누전경보장치
US1738651A (en) Electric-current measuring and indicating means
SU761860A1 (ru) Сигнализатор скорости изменения давления 1
US1402025A (en) Frequency meter
JPS5937768B2 (ja) 温度監視装置
SU1777000A2 (en) Device for measurement of level of oil products and water in storage tanks