FI108165B - Virtamuunnin vaihtovirran mittaamiseksi - Google Patents

Virtamuunnin vaihtovirran mittaamiseksi Download PDF

Info

Publication number
FI108165B
FI108165B FI20001048A FI20001048A FI108165B FI 108165 B FI108165 B FI 108165B FI 20001048 A FI20001048 A FI 20001048A FI 20001048 A FI20001048 A FI 20001048A FI 108165 B FI108165 B FI 108165B
Authority
FI
Finland
Prior art keywords
current
gradiometer
winding
gradiometers
converter according
Prior art date
Application number
FI20001048A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Inventor
Teuvo Lahti
Tuomo Korkolainen
Anssi Savelius
Ilkka Hokkanen
Timo Vesala
Original Assignee
Enermet Oy
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 Enermet Oy filed Critical Enermet Oy
Priority to FI20001048A priority Critical patent/FI108165B/fi
Priority to AU58433/01A priority patent/AU770829B2/en
Priority to DE60133737T priority patent/DE60133737T2/de
Priority to EP01931729A priority patent/EP1295304B1/fr
Priority to PCT/FI2001/000397 priority patent/WO2001086670A1/fr
Priority to ES01931729T priority patent/ES2301543T3/es
Priority to NZ522263A priority patent/NZ522263A/xx
Priority to AT01931729T priority patent/ATE393458T1/de
Application granted granted Critical
Publication of FI108165B publication Critical patent/FI108165B/fi

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Installation Of Bus-Bars (AREA)
FI20001048A 2000-05-05 2000-05-05 Virtamuunnin vaihtovirran mittaamiseksi FI108165B (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI20001048A FI108165B (fi) 2000-05-05 2000-05-05 Virtamuunnin vaihtovirran mittaamiseksi
AU58433/01A AU770829B2 (en) 2000-05-05 2001-04-25 Current transformer for measurement of alternating current
DE60133737T DE60133737T2 (de) 2000-05-05 2001-04-25 Stromumformer zum messen von wechselstrom
EP01931729A EP1295304B1 (fr) 2000-05-05 2001-04-25 Transformateur de courant servant a la mesure de courant alternatif
PCT/FI2001/000397 WO2001086670A1 (fr) 2000-05-05 2001-04-25 Transformateur de courant servant a la mesure de courant alternatif
ES01931729T ES2301543T3 (es) 2000-05-05 2001-04-25 Transformador de corriente para medir corriente alterna.
NZ522263A NZ522263A (en) 2000-05-05 2001-04-25 Current transformer for measurement of alternating current
AT01931729T ATE393458T1 (de) 2000-05-05 2001-04-25 Stromumformer zum messen von wechselstrom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20001048 2000-05-05
FI20001048A FI108165B (fi) 2000-05-05 2000-05-05 Virtamuunnin vaihtovirran mittaamiseksi

Publications (1)

Publication Number Publication Date
FI108165B true FI108165B (fi) 2001-11-30

Family

ID=8558333

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20001048A FI108165B (fi) 2000-05-05 2000-05-05 Virtamuunnin vaihtovirran mittaamiseksi

Country Status (8)

Country Link
EP (1) EP1295304B1 (fr)
AT (1) ATE393458T1 (fr)
AU (1) AU770829B2 (fr)
DE (1) DE60133737T2 (fr)
ES (1) ES2301543T3 (fr)
FI (1) FI108165B (fr)
NZ (1) NZ522263A (fr)
WO (1) WO2001086670A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI110964B (fi) * 2000-08-18 2003-04-30 Enermet Oy Menetelmä ja laitteisto tehon mittaamiseksi vaihtovirtajärjestelmässä
FI117075B (fi) * 2004-01-09 2006-05-31 Enermet Oy Virtamuunnin vaihtovirran mittaamiseksi
GB0601383D0 (en) * 2006-01-24 2006-03-01 Sentec Ltd Current Sensor
FR2910636B1 (fr) * 2006-12-22 2009-02-20 Actaris Sas Soc Par Actions Si Capteur inductif de mesure de courant
FR2930994B1 (fr) 2008-05-07 2010-06-18 Commissariat Energie Atomique Structure et procede de fabrication d'un capteur de gradient de champ magnetique en technologie integree
JP6396768B2 (ja) * 2014-11-17 2018-09-26 Ｎｅｃプラットフォームズ株式会社 電流測定装置、電流測定システム、電流測定方法、及び電流測定プログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01110785A (ja) 1987-10-23 1989-04-27 Furukawa Electric Co Ltd:The 超電導薄膜の製造方法
JPH01110795A (ja) * 1987-10-23 1989-04-27 Matsushita Electric Ind Co Ltd 高周波回路装置
DE4400418A1 (de) * 1993-01-14 1994-08-04 Schlumberger Ind Inc Luftgekoppelter Stromtransformator
FI98865C (fi) 1994-11-07 1997-08-25 Enermet Oy Menetelmä vaihtovirran mittaamiseksi, vaihtovirran mittaamiseen tarkoitettu mittausanturi ja sen käyttö kWh-mittarissa
GB9918539D0 (en) * 1999-08-06 1999-10-06 Sentec Ltd Planar current transformer

Also Published As

Publication number Publication date
EP1295304B1 (fr) 2008-04-23
DE60133737T2 (de) 2009-05-14
EP1295304A1 (fr) 2003-03-26
ES2301543T3 (es) 2008-07-01
ATE393458T1 (de) 2008-05-15
NZ522263A (en) 2003-06-30
AU5843301A (en) 2001-11-20
DE60133737D1 (fr) 2008-06-05
WO2001086670A1 (fr) 2001-11-15
AU770829B2 (en) 2004-03-04

Similar Documents

Publication Publication Date Title
CN111771250B (zh) 电流互感器
KR960011531B1 (ko) 동축 전류 감지기
JP6835724B2 (ja) 誘導性変位センサ
CN107037251A (zh) 电流传感器和用于测量电流的装置
CN1379860A (zh) 电流检测器
US8378662B2 (en) Current sensor
CN1967266A (zh) 螺旋管型空心线圈电流传感器
FI108165B (fi) Virtamuunnin vaihtovirran mittaamiseksi
Zhu et al. Curved trapezoidal magnetic flux concentrator design for current measurement of multi-core power cable with magnetic sensing
CN102854347A (zh) 电能表及其电流采样装置
EP2948779B1 (fr) Capteur de champ magnétique souple
JP2010256141A (ja) 電流検出装置およびこれを用いた電力量計
CN113671407B (zh) 用于检测泄漏电流的电流传感器
Zhang et al. Nonintrusive current sensor for the two-wire power cords
US6414579B1 (en) Current transformer and method for correcting asymmetries therein
CN115097188A (zh) 一种基于零磁通原理的大口径交直流电流传感器
EP3452842A1 (fr) Boucle de flux et fil à point b combiné isolé minéral
KR101192609B1 (ko) 신뢰성 향상을 위한 계기용 변압변류기
EP1553420A1 (fr) Transformateur de courant pour mesurer le courant alternatif
WO2024203288A1 (fr) Capteur de courant électrique et dispositif de mesure
EP1624313A1 (fr) Procédé et appareil pour mesurer des courants électriques dans des conducteurs
Chen et al. Anti-electromagnetic interference and calibration schemes of flexible current sensor tag for reliable current detection in household appliance
EP3842812B1 (fr) Appareil de mesure d'un composant à courant continu d'un courant électrique et procédé de mesure associé
Lv et al. A novel contactless current sensor for the two-core cable based on TMR chips
WO2024081826A2 (fr) Bobine de rogowski à courant de plasma à paire torsadée

Legal Events

Date Code Title Description
MM Patent lapsed