BR112015013818A2 - transformador de corrente e seccionador de corte em carga com transformador de corrente - Google Patents

transformador de corrente e seccionador de corte em carga com transformador de corrente

Info

Publication number
BR112015013818A2
BR112015013818A2 BR112015013818A BR112015013818A BR112015013818A2 BR 112015013818 A2 BR112015013818 A2 BR 112015013818A2 BR 112015013818 A BR112015013818 A BR 112015013818A BR 112015013818 A BR112015013818 A BR 112015013818A BR 112015013818 A2 BR112015013818 A2 BR 112015013818A2
Authority
BR
Brazil
Prior art keywords
current transformer
current
value
divergence
voltage
Prior art date
Application number
BR112015013818A
Other languages
English (en)
Inventor
Sandhäger Ludger
Schröder Martin
Original Assignee
Efen Gmbh
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 Efen Gmbh filed Critical Efen Gmbh
Publication of BR112015013818A2 publication Critical patent/BR112015013818A2/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/142Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/28Current transformers
    • H01F38/32Circuit arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • H01H31/12Adaptation for built-in fuse
    • H01H31/122Fuses mounted on, or constituting the movable contact parts of, the switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Fuses (AREA)
  • Protection Of Transformers (AREA)

Abstract

resumo patente de invenção: "transformador de corrente e seccionador de corte em carga com transformador de corrente". a presente invenção refere-se a um sistema de transformador de corrente com um transformador de corrente que determina uma corrente que atravessa o transformador de corrente e a converte em uma tensão de medição, e uma eletrônica de avaliação que na base da tensão de medição determina pelo menos um dos valores característicos do grupo g que consiste de l, ln, lst, lmin, ltr, lmax, u, un, f, fn, pf, sendo que l = a corrente elétrica que atravessa o transformador de corrente; ln = intensidade da corrente de referência definida para a qual o transformador de corrente foi dimensionada; lst = menor valor indicado de l onde o transformador de corrente com o fator de potência um mede uma energia elétrica efetiva; lmin = valor de l acima do qual se encontra a divergência dentro dos limites de erro; ltr = valor de l, acima do qual se encontra a divergência dentro dos menores limites de erro que correspondem à classe de precisão indicada para o sistema de transformador de corrente; lmax = valor máximo de l onde a divergência se encontra dentro dos limites de erro; u = tensão elétrica presente no transformador de corrente; un = tensão de referencia definida; f = frequência da tensão presente no transformador de corrente; fn = frequência de referência definida; pf = fator de potência = cosf = cosseno da defasagem f entre i e u.
BR112015013818A 2012-12-13 2012-12-13 transformador de corrente e seccionador de corte em carga com transformador de corrente BR112015013818A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/075470 WO2014090319A1 (de) 2012-12-13 2012-12-13 Stromwandler sowie lasttrenner mit einem solchen

Publications (1)

Publication Number Publication Date
BR112015013818A2 true BR112015013818A2 (pt) 2017-07-11

Family

ID=47520032

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015013818A BR112015013818A2 (pt) 2012-12-13 2012-12-13 transformador de corrente e seccionador de corte em carga com transformador de corrente

Country Status (5)

Country Link
CN (1) CN104871013B (pt)
AU (1) AU2012396428B2 (pt)
BR (1) BR112015013818A2 (pt)
HK (1) HK1211704A1 (pt)
WO (1) WO2014090319A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015105441A1 (de) * 2015-04-09 2016-10-13 Efen Gmbh Stromwandlersystem sowie Lasttrenner mit einem solchen
EP3671785A1 (de) 2018-12-19 2020-06-24 Jean Müller GmbH Elektrotechnische Fabrik Anordnung eines trägerteils und eines oberteils einer schalteinrichtung mit in der anordnung integrierten komponenten einer elektronik

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409675B (de) * 1999-06-04 2002-10-25 Schneider Schaltgeraetebau Und Überwachungssystem für nh-sicherungssysteme
DE102007051419A1 (de) 2007-10-25 2009-04-30 Efen Gmbh NH-Sicherungslasttrenner mit Stromwandler
DE102008055651A1 (de) * 2008-10-29 2010-05-06 Siemens Aktiengesellschaft Weichendiagnosesystem
DE102011000593B4 (de) * 2010-02-11 2014-09-11 Delta Control Gesellschaft für Automation mbH Verfahren und Vorrichtung zur Erfassung von elektrischen Leistungsdaten
FR2967832B1 (fr) * 2010-11-22 2014-10-24 Schneider Electric Ind Sas Depart equipe de moyens de protection et de mesure pour tableau basse tension
DE102011052449A1 (de) * 2011-08-05 2013-02-07 Efen Gmbh Stromwandler sowie Lasttrenner mit einem solchen

Also Published As

Publication number Publication date
CN104871013B (zh) 2019-02-26
CN104871013A (zh) 2015-08-26
AU2012396428B2 (en) 2017-01-05
AU2012396428A1 (en) 2015-06-11
HK1211704A1 (en) 2016-05-27
WO2014090319A1 (de) 2014-06-19

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements