EP0746002A3 - A transformer for the measurement of current in high-voltage supply networks - Google Patents

A transformer for the measurement of current in high-voltage supply networks Download PDF

Info

Publication number
EP0746002A3
EP0746002A3 EP96108463A EP96108463A EP0746002A3 EP 0746002 A3 EP0746002 A3 EP 0746002A3 EP 96108463 A EP96108463 A EP 96108463A EP 96108463 A EP96108463 A EP 96108463A EP 0746002 A3 EP0746002 A3 EP 0746002A3
Authority
EP
European Patent Office
Prior art keywords
transformer
measurement
current
voltage supply
supply networks
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
EP96108463A
Other languages
German (de)
French (fr)
Other versions
EP0746002B1 (en
EP0746002A2 (en
Inventor
Giorgio Villa
Giancarlo Villa
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.)
Passoni e Villa SpA
Original Assignee
Passoni e Villa Fabbrica Isolatori e Condensatori 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 Passoni e Villa Fabbrica Isolatori e Condensatori SpA filed Critical Passoni e Villa Fabbrica Isolatori e Condensatori SpA
Publication of EP0746002A2 publication Critical patent/EP0746002A2/en
Publication of EP0746002A3 publication Critical patent/EP0746002A3/en
Application granted granted Critical
Publication of EP0746002B1 publication Critical patent/EP0746002B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
EP96108463A 1995-06-01 1996-05-28 A transformer for the measurement of current in high-voltage supply networks Expired - Lifetime EP0746002B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI951143 1995-06-01
ITMI951143A IT1275290B (en) 1995-06-01 1995-06-01 TRANSFORMER FOR CURRENT MEASUREMENT IN HIGH VOLTAGE ELECTRIC NETWORKS

Publications (3)

Publication Number Publication Date
EP0746002A2 EP0746002A2 (en) 1996-12-04
EP0746002A3 true EP0746002A3 (en) 1997-03-12
EP0746002B1 EP0746002B1 (en) 2000-06-14

Family

ID=11371724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108463A Expired - Lifetime EP0746002B1 (en) 1995-06-01 1996-05-28 A transformer for the measurement of current in high-voltage supply networks

Country Status (3)

Country Link
EP (1) EP0746002B1 (en)
DE (1) DE69608853T2 (en)
IT (1) IT1275290B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6242902B1 (en) * 1999-11-19 2001-06-05 Siemens Aktiengesellschaft Measuring configuration, and use of the measuring configuration
CN102024557B (en) * 2009-09-21 2015-09-16 江苏思源赫兹互感器有限公司 Electronic current mutual inductor
CN102866281A (en) * 2012-09-03 2013-01-09 河南新月实业有限公司 Current sensor for high-voltage line
CN103680906A (en) * 2013-12-13 2014-03-26 中国西电电气股份有限公司 Insulation structure of extra-high-voltage open type transformer substation current transformer
CN105225816A (en) * 2015-10-21 2016-01-06 中国电力科学研究院 A kind of current transformer with high voltage standard capacitor function
EP3979267A1 (en) * 2020-09-30 2022-04-06 Hitachi Energy Switzerland AG Electrical bushing and method of producing an electrical bushing
CN113899936B (en) * 2021-10-13 2024-05-03 中国电力科学研究院有限公司 Electromagnetic current transformer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1488299A1 (en) * 1963-03-22 1969-04-10 Siemens Ag High voltage current transformer
DE3230091A1 (en) * 1982-07-19 1984-01-19 BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau PRESSURE GAS-INSULATED CURRENT TRANSFORMER
EP0236974A2 (en) * 1986-03-13 1987-09-16 Mwb Messwandler-Bau Ag Combined current and voltage transformer for a high-voltage installation
US4775849A (en) * 1987-12-24 1988-10-04 Guthrie Canadian Investments Limited Gas insulated current transformer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1488299A1 (en) * 1963-03-22 1969-04-10 Siemens Ag High voltage current transformer
DE3230091A1 (en) * 1982-07-19 1984-01-19 BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau PRESSURE GAS-INSULATED CURRENT TRANSFORMER
EP0236974A2 (en) * 1986-03-13 1987-09-16 Mwb Messwandler-Bau Ag Combined current and voltage transformer for a high-voltage installation
US4775849A (en) * 1987-12-24 1988-10-04 Guthrie Canadian Investments Limited Gas insulated current transformer

Also Published As

Publication number Publication date
EP0746002B1 (en) 2000-06-14
DE69608853T2 (en) 2000-11-30
EP0746002A2 (en) 1996-12-04
ITMI951143A1 (en) 1996-12-01
ITMI951143A0 (en) 1995-06-01
DE69608853D1 (en) 2000-07-20
IT1275290B (en) 1997-08-05

Similar Documents

Publication Publication Date Title
PL330216A1 (en) Direct current transformer/reactor
TW430106U (en) An inverter transformer
ZA987727B (en) Method and device for improving the voltage quality of a secondary power supply unit
GB2334824B (en) High-voltage transformer
EP0729033A3 (en) Optical current transformer
EP0746002A3 (en) A transformer for the measurement of current in high-voltage supply networks
HK1003532A1 (en) Supply voltage switching apparatus
GB2316810B (en) Current transformer assemblies
EP0697599A3 (en) Voltage measuring apparatus
GB2314212B (en) Current transformer assemblies
GB9521090D0 (en) Electric current supply monitor
PL307616A1 (en) Zero order current measurent transformer
HRP970334A2 (en) Current and voltage supply device for continuous voltage network
HU9500114V0 (en) Current transformer
GB9502971D0 (en) Current transformer arrangement
PL102228U1 (en) Direct current transformer
GB9325915D0 (en) Electricity distribution transformer
SK64695A3 (en) High-voltage supply connection
PL305724A1 (en) Current-voltage measuring transformer
LT95019A (en) Transformer
PL103359U1 (en) Ferranti measuring transformer
PL307893A1 (en) High voltage rail-type measuring tranformer
PL101675U1 (en) Bulk power supply transformer station
PL101676U1 (en) Bulk power supply transformer station
PL101677U1 (en) Bulk power supply transformer station

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE CH DE ES FR GB IT LI SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH DE ES FR GB IT LI SE

17P Request for examination filed

Effective date: 19970418

17Q First examination report despatched

Effective date: 19981221

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE ES FR GB IT LI SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000614

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 20000614

Ref country code: CH

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000614

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000614

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69608853

Country of ref document: DE

Date of ref document: 20000720

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: ING. C. GREGORJ S.P.A.

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000914

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010528

26N No opposition filed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20010528

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150508

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20150512

Year of fee payment: 20

Ref country code: FR

Payment date: 20150601

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69608853

Country of ref document: DE