DE3540777A1 - Elektronische zusatzschaltung fuer wechselstromwandler - Google Patents

Elektronische zusatzschaltung fuer wechselstromwandler

Info

Publication number
DE3540777A1
DE3540777A1 DE19853540777 DE3540777A DE3540777A1 DE 3540777 A1 DE3540777 A1 DE 3540777A1 DE 19853540777 DE19853540777 DE 19853540777 DE 3540777 A DE3540777 A DE 3540777A DE 3540777 A1 DE3540777 A1 DE 3540777A1
Authority
DE
Germany
Prior art keywords
current
controller
winding
electronic
input variable
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19853540777
Other languages
German (de)
English (en)
Other versions
DE3540777C2 (enrdf_load_stackoverflow
Inventor
Martin Dipl Ing Kahmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamburger Elektronik 2000 Hamburg De Zera E GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19853540777 priority Critical patent/DE3540777A1/de
Publication of DE3540777A1 publication Critical patent/DE3540777A1/de
Application granted granted Critical
Publication of DE3540777C2 publication Critical patent/DE3540777C2/de
Granted legal-status Critical Current

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
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Ac-Ac Conversion (AREA)
DE19853540777 1985-11-16 1985-11-16 Elektronische zusatzschaltung fuer wechselstromwandler Granted DE3540777A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853540777 DE3540777A1 (de) 1985-11-16 1985-11-16 Elektronische zusatzschaltung fuer wechselstromwandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853540777 DE3540777A1 (de) 1985-11-16 1985-11-16 Elektronische zusatzschaltung fuer wechselstromwandler

Publications (2)

Publication Number Publication Date
DE3540777A1 true DE3540777A1 (de) 1987-05-21
DE3540777C2 DE3540777C2 (enrdf_load_stackoverflow) 1990-11-22

Family

ID=6286227

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853540777 Granted DE3540777A1 (de) 1985-11-16 1985-11-16 Elektronische zusatzschaltung fuer wechselstromwandler

Country Status (1)

Country Link
DE (1) DE3540777A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822051A1 (de) * 1988-06-30 1990-01-11 Martin Kahmann Stromwandlerschaltung fuer zaehlerpruefeinrichtungen
WO2015070927A1 (en) * 2013-11-18 2015-05-21 Enel Distribuzione S.P.A. Electricity meter with fault detection mechanism and fault detection method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10311441B4 (de) * 2003-03-15 2005-03-10 Emh Elek Zitaetszaehler Gmbh & Elektronischer Elektrizitätszähler

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318749C2 (de) * 1983-05-24 1985-03-28 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver Stromwandler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318749C2 (de) * 1983-05-24 1985-03-28 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver Stromwandler

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
STAMBERGER, Andrew: Gleichstromwandler für die Meßtechnik. In: Elektroniker, 1983, Nr.21, S.41-49 u. Nr.22, S.47-51 *
STEINMÜLLER, Günter: Ein genauer elektronischer Elektrizitätszähler. In: Technisches Messen atm, 1978, H. 11, S. 407-411 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822051A1 (de) * 1988-06-30 1990-01-11 Martin Kahmann Stromwandlerschaltung fuer zaehlerpruefeinrichtungen
WO2015070927A1 (en) * 2013-11-18 2015-05-21 Enel Distribuzione S.P.A. Electricity meter with fault detection mechanism and fault detection method
US10048308B2 (en) 2013-11-18 2018-08-14 Enel Distribuzione S.P.A. Electricity meter with fault detection mechanism and fault detection method

Also Published As

Publication number Publication date
DE3540777C2 (enrdf_load_stackoverflow) 1990-11-22

Similar Documents

Publication Publication Date Title
CH664632A5 (de) Schaltungsanordnung zur kompensation von schwankungen des uebertragungsfaktors eines magnetfeldsensors.
CH651701A5 (de) Kompensierter messwandler.
DE2926979A1 (de) Elektronischer wattstundenzaehler
CH681491A5 (enrdf_load_stackoverflow)
DE3586157T2 (de) Schaltnetzteil mit mehreren ausgaengen.
DE2749784A1 (de) Multiplizierschaltung, insbesondere fuer wattstundenzaehler
WO1990010940A1 (de) Stromwandleranordnung für dreileiter-drehstromsysteme, insbesondere zur stromistwerterfassung für geregelte, stromrichtergespeiste gleichstromverbraucher
EP0742440B1 (de) Kompensationsstromwandlung
DE1951523A1 (de) Elektrischer Messumformer nach dem Zwei-Draht-Verfahren
DE3540777C2 (enrdf_load_stackoverflow)
DE2625354A1 (de) Uebertrager fuer gleich- und wechselstromsignale mit einem ferromagnetischen kern
EP0686850A1 (de) Schaltungsanordnung zur Messung von Gleichströmen mit Potentialtrennung zwischen Stromkreis und Messkreis
EP1460438B1 (de) Modularer elektronischer Elektrizitätszähler
EP0029903B1 (de) Messanordnung für elektrische Ströme
DE2419128A1 (de) Erdungswiderstandsmesser mit zwei generatoren
EP0455062A1 (de) Stromgespeister Gegentaktwandler
DE2851050A1 (de) Schaltungsanordnung zum vergleichen von analogsignalen
DE2226197A1 (de) Schaltungsanordnung fuer gleichrichter und glaettungskondensator
DE974154C (de) Wandler fuer vorzugsweise kleine Gleichstromgroessen auf Magnetverstaerkergrundlage
DE4115604C2 (de) Schaltungsanordnung zur Reduzierung von Spannungsabfällen in Strompfaden von Zählerprüfeinrichtungen
DE3822051C2 (enrdf_load_stackoverflow)
DE3642478A1 (de) Vorrichtung und schaltungsanordnung zum messen von elektrischer leistung und deren zeitintegral
EP0400343B1 (de) Stromwandleranordnung mit erhöhter Genauigkeit
DE1591954C (de) Verfahren zur analogen Messung des Phasenwinkels
DE966572C (de) Magnetischer Verstaerker

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: HAMBURGER ELEKTRONIK GMBH, 2000 HAMBURG, DE ZERA E

8381 Inventor (new situation)

Free format text: KAHMANN, MARTIN, DIPL.-ING., 3300 BRAUNSCHWEIG, DE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee