JPWO2020261639A1 - - Google Patents
Info
- Publication number
- JPWO2020261639A1 JPWO2020261639A1 JP2021527349A JP2021527349A JPWO2020261639A1 JP WO2020261639 A1 JPWO2020261639 A1 JP WO2020261639A1 JP 2021527349 A JP2021527349 A JP 2021527349A JP 2021527349 A JP2021527349 A JP 2021527349A JP WO2020261639 A1 JPWO2020261639 A1 JP WO2020261639A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019120590 | 2019-06-27 | ||
PCT/JP2020/007297 WO2020261639A1 (ja) | 2019-06-27 | 2020-02-25 | 電流測定システム、診断システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020261639A1 true JPWO2020261639A1 (ja) | 2020-12-30 |
JPWO2020261639A5 JPWO2020261639A5 (ja) | 2022-03-22 |
Family
ID=74061641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021527349A Pending JPWO2020261639A1 (ja) | 2019-06-27 | 2020-02-25 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220308093A1 (ja) |
JP (1) | JPWO2020261639A1 (ja) |
CN (1) | CN113874735A (ja) |
WO (1) | WO2020261639A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220244298A1 (en) * | 2021-01-29 | 2022-08-04 | Korea University Research And Business Foundation | Device and method for extracting electric network frequency |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4209741A (en) * | 1978-03-08 | 1980-06-24 | The United States Of America As Represented By The Secretary Of The Interior | Apparatus for the continuous monitoring of ground bed resistance |
JPH074585Y2 (ja) * | 1987-05-21 | 1995-02-01 | 偕成エンジニア株式会社 | 信号検出装置 |
JPH10185962A (ja) * | 1996-10-31 | 1998-07-14 | Sony Corp | 電流検出装置 |
AU3617899A (en) * | 1998-04-22 | 1999-11-08 | Power Electronic Measurements Limited | A current measuring device |
US7719292B2 (en) * | 2007-10-12 | 2010-05-18 | Honeywell International Inc. | Method and apparatus for electrochemical corrosion monitoring |
CN201229849Y (zh) * | 2008-06-20 | 2009-04-29 | 吉林省电力有限公司电力科学研究院 | 一种外积分式罗果夫斯基线圈电流互感器 |
US9030210B2 (en) * | 2010-04-14 | 2015-05-12 | Mitsubishi Electric Corporation | Insulation deterioration diagnosis apparatus |
JP5756607B2 (ja) * | 2010-06-29 | 2015-07-29 | 日置電機株式会社 | 電流測定装置、及び電流センサの変換レートの検出方法 |
JP5698484B2 (ja) * | 2010-09-27 | 2015-04-08 | 日置電機株式会社 | 電流測定装置 |
CN201917603U (zh) * | 2011-01-04 | 2011-08-03 | 南京信息工程大学 | 一种监测雷电流波形的线圈装置 |
JP6304647B2 (ja) * | 2012-11-21 | 2018-04-04 | パナソニックIpマネジメント株式会社 | 電流検出装置 |
JP6119840B2 (ja) * | 2013-03-05 | 2017-04-26 | オムロン株式会社 | 電流センサ、電流測定装置、および漏電検出装置 |
US9701327B2 (en) * | 2013-07-26 | 2017-07-11 | Alstrom Transport Technologies | Current sensor for monitoring a wayside signal lamp for a positive train system |
US20150088438A1 (en) * | 2013-09-26 | 2015-03-26 | James J. Kinsella | Ratio metric current measurement |
DE102014215109A1 (de) * | 2014-07-31 | 2016-02-04 | Vacuumschmelze Gmbh & Co. Kg | Flux-Gate-Stromsensor mit zusätzlicher Frequenzmessung |
CN104267241A (zh) * | 2014-10-20 | 2015-01-07 | 国网吉林省电力有限公司长春供电公司 | 高频电流局部放电信号采集传感器 |
JP6423708B2 (ja) * | 2014-12-18 | 2018-11-14 | 日置電機株式会社 | 電流センサおよび測定装置 |
JP6771179B2 (ja) * | 2016-05-16 | 2020-10-21 | パナソニックIpマネジメント株式会社 | 電力計測システム |
-
2020
- 2020-02-25 US US17/442,560 patent/US20220308093A1/en active Pending
- 2020-02-25 CN CN202080038501.2A patent/CN113874735A/zh active Pending
- 2020-02-25 JP JP2021527349A patent/JPWO2020261639A1/ja active Pending
- 2020-02-25 WO PCT/JP2020/007297 patent/WO2020261639A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2020261639A1 (ja) | 2020-12-30 |
US20220308093A1 (en) | 2022-09-29 |
CN113874735A (zh) | 2021-12-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210817 |
|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20221024 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20221205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240130 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20240214 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20240304 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20240401 |