JP5979413B2 - 電力計測装置 - Google Patents
電力計測装置 Download PDFInfo
- Publication number
- JP5979413B2 JP5979413B2 JP2012072532A JP2012072532A JP5979413B2 JP 5979413 B2 JP5979413 B2 JP 5979413B2 JP 2012072532 A JP2012072532 A JP 2012072532A JP 2012072532 A JP2012072532 A JP 2012072532A JP 5979413 B2 JP5979413 B2 JP 5979413B2
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- power
- magnetic film
- voltage
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
- G01R33/072—Constructional adaptation of the sensor to specific applications
-
- 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
-
- 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
- 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
- G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
-
- 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
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
Description
電源に接続線を介して接続された負荷において消費される電力を測定する電力計測装置であって、
前記電源に対して前記負荷と並列に連結するための一対の連結端と、
磁性膜を含む磁性膜部と、
前記磁性膜部の両端に設けられた一対のセンサ端子を有し、
前記センサ端子の一端は前記連結端の一方に接続され、
前記磁性膜部に対して動作点を付与するバイアス手段を有し、
前記磁性膜部の長手方向が前記接続線の電流が流れる方向と略平行になるように前記接続線に絶縁層を介して隣接配置されるセンサ素子と、
前記センサ素子のセンサ端子の他端に並列に接続されたn個のバンドパスフィルタと、
前記バンドパスフィルタの各々に直列に接続された位相調整器と、
前記位相調整器を選択的に接続する選択スイッチと、
一端が選択スイッチに接続され、他端が前記連結端の他方に接続される計測抵抗と、
前記センサ端子のそれぞれを計測端子とし、前記計測端子間の電圧を計測する電圧検出部とを有することを特徴とする。
7 電源
8 接続線(抵抗)
9 負荷
10 センサ素子
10t(10ta、10tb) センサ端子
11 磁性膜部
11b バイアス手段
12(12a、12b) 連結端
13(13a、13b) 計測端子
14 電圧検出部
16 選択スイッチ
18 計測抵抗
21 絶縁層
25 ディスプレイ
Claims (7)
- 負荷で消費される電力を測定する電力測定装置であって、
長手方向が前記負荷に流れる電流と略平行になるように配置される磁性膜部と、
前記磁性膜部の一端と接続されて、前記磁性膜部を通過する電流の通過周波数帯および位相を調整する調整部と、
前記磁性膜部と縦続接続される計測抵抗と、
前記磁性膜部の両端間の電圧を検出する電圧検出部と、を備え、
前記調整部は、前記電圧検出部からの出力電圧が最大となるよう位相を調整することができ、かつ、位相調整量をゼロとすることもできる電力測定装置。 - 前記調整部は、
前記磁性膜部の一端に並列接続される複数のバンドパスフィルタと、
前記バンドパスフィルタのそれぞれに直列に接続される位相調整器と、
前記位相調整器からの出力の1つを選択するスイッチと、
を有する、請求項1に記載の電力測定装置。 - 前記電圧検出部からの出力電圧が最大となるときの位相に基づいて、力率角を算出する制御装置を備える、請求項1または2に記載の電力測定装置。
- 前記電圧検出部からの出力電圧が最大となるときの前記出力電圧に基づいて、皮相電力を算出する制御装置を備える、請求項1または2に記載の電力測定装置。
- 前記調整部による位相調整量がゼロであるときの前記電圧検出部からの出力電圧に基づいて、有効電力を算出する制御装置を備える、請求項1または2に記載の電力測定装置。
- 前記磁性膜部には、前記負荷に流れる電流とは非平行な導体が設けられる、請求項1乃至5のいずれかに記載の電力測定装置。
- 前記磁性膜部は、印加される磁界の変化に対する抵抗変化が略一定である、請求項1乃至6のいずれかに記載の電力測定装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012072532A JP5979413B2 (ja) | 2012-03-27 | 2012-03-27 | 電力計測装置 |
CN201380027150.5A CN104380122B (zh) | 2012-03-27 | 2013-03-19 | 功率测量装置 |
PCT/JP2013/001860 WO2013145636A1 (ja) | 2012-03-27 | 2013-03-19 | 電力計測装置 |
EP13769691.0A EP2833156B1 (en) | 2012-03-27 | 2013-03-19 | Power measuring apparatus |
US14/388,419 US9689905B2 (en) | 2012-03-27 | 2013-03-19 | Power measurement apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012072532A JP5979413B2 (ja) | 2012-03-27 | 2012-03-27 | 電力計測装置 |
Publications (2)
Publication Number | Publication Date |
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JP2013205120A JP2013205120A (ja) | 2013-10-07 |
JP5979413B2 true JP5979413B2 (ja) | 2016-08-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012072532A Active JP5979413B2 (ja) | 2012-03-27 | 2012-03-27 | 電力計測装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9689905B2 (ja) |
EP (1) | EP2833156B1 (ja) |
JP (1) | JP5979413B2 (ja) |
CN (1) | CN104380122B (ja) |
WO (1) | WO2013145636A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US7440856B2 (en) * | 2002-03-13 | 2008-10-21 | Becton, Dickinson And Company | System and method for determining clinical equivalence of test methods |
JP6210606B2 (ja) * | 2014-03-20 | 2017-10-11 | 公立大学法人大阪市立大学 | 電力センサシステム、回生電力検出装置、及び電動機システム |
CN109100565A (zh) * | 2018-07-05 | 2018-12-28 | 国网重庆市电力公司电力科学研究院 | 一种基于巨磁阻传感器的功率计设计方法及系统 |
TWI695986B (zh) * | 2018-10-08 | 2020-06-11 | 博計電子股份有限公司 | 模擬功率因數的交流負載系統及其方法 |
CN109932623B (zh) * | 2019-03-25 | 2021-06-08 | 重庆大学 | 基于相位匹配组合和移相变压器的gis同频同相试验方法 |
US11349305B2 (en) * | 2019-04-29 | 2022-05-31 | Pass & Seymour, Inc. | Electrical wiring device with wiring detection and correction |
US11131695B2 (en) * | 2019-08-15 | 2021-09-28 | Analog Devices, Inc. | Measuring electrical energy consumption |
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JPS59173771A (ja) * | 1983-03-23 | 1984-10-01 | Toshiba Corp | 電気計器 |
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US4754219A (en) * | 1985-09-09 | 1988-06-28 | General Electric Company | Low cost self-contained transformerless solid state electronic watthour meter having thin film ferromagnetic current sensor |
JPS6266413A (ja) * | 1985-09-18 | 1987-03-25 | Sony Corp | 磁気抵抗効果型磁気センサ− |
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JPS6474457A (en) * | 1987-09-16 | 1989-03-20 | Fujitsu Ltd | Wattmeter using magneto-resistance element |
JP2579995B2 (ja) * | 1988-03-31 | 1997-02-12 | 株式会社東芝 | 磁気センサー |
US5343143A (en) * | 1992-02-11 | 1994-08-30 | Landis & Gyr Metering, Inc. | Shielded current sensing device for a watthour meter |
JP2000187048A (ja) * | 1998-12-21 | 2000-07-04 | Hitachi Cable Ltd | 電力量計 |
CN2450672Y (zh) | 2000-10-12 | 2001-09-26 | 大连现代高技术发展有限公司 | 测功率装置 |
US7145331B2 (en) * | 2001-07-19 | 2006-12-05 | Matsushita Electric Industrial Co., Ltd. | Magnetic sensor having a closed magnetic path formed by soft magnetic films |
CN2611909Y (zh) | 2002-11-28 | 2004-04-14 | 上海贝岭股份有限公司 | 基于数字积分实现移相的无功功率测量电路 |
JP4579523B2 (ja) * | 2003-09-30 | 2010-11-10 | 株式会社エルポート | 磁気ブリッジ型電力センサー |
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JP5620075B2 (ja) | 2009-08-26 | 2014-11-05 | パナソニック株式会社 | 磁界センサおよびこれを用いた磁界測定方法 |
JP5620076B2 (ja) * | 2009-08-26 | 2014-11-05 | パナソニック株式会社 | 電力計測装置 |
TWI480566B (zh) | 2009-08-26 | 2015-04-11 | Panasonic Corp | 磁場感測器、利用該磁場感測器之磁場測定方法、電功率量測裝置及電功率量測方法 |
WO2011111493A1 (ja) * | 2010-03-12 | 2011-09-15 | アルプス・グリーンデバイス株式会社 | 電流センサ |
KR101831800B1 (ko) * | 2011-02-01 | 2018-02-23 | 가부시키가이샤 Sirc | 전력계측장치 |
JP6083690B2 (ja) | 2012-05-11 | 2017-02-22 | 公立大学法人大阪市立大学 | 力率計測装置 |
-
2012
- 2012-03-27 JP JP2012072532A patent/JP5979413B2/ja active Active
-
2013
- 2013-03-19 EP EP13769691.0A patent/EP2833156B1/en active Active
- 2013-03-19 WO PCT/JP2013/001860 patent/WO2013145636A1/ja active Application Filing
- 2013-03-19 CN CN201380027150.5A patent/CN104380122B/zh active Active
- 2013-03-19 US US14/388,419 patent/US9689905B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2833156A1 (en) | 2015-02-04 |
CN104380122A (zh) | 2015-02-25 |
EP2833156A4 (en) | 2016-03-23 |
US9689905B2 (en) | 2017-06-27 |
JP2013205120A (ja) | 2013-10-07 |
US20150115951A1 (en) | 2015-04-30 |
EP2833156B1 (en) | 2022-04-13 |
WO2013145636A1 (ja) | 2013-10-03 |
CN104380122B (zh) | 2017-12-22 |
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