KR20170008584A - 전력계측시스템 - Google Patents
전력계측시스템 Download PDFInfo
- Publication number
- KR20170008584A KR20170008584A KR1020150099936A KR20150099936A KR20170008584A KR 20170008584 A KR20170008584 A KR 20170008584A KR 1020150099936 A KR1020150099936 A KR 1020150099936A KR 20150099936 A KR20150099936 A KR 20150099936A KR 20170008584 A KR20170008584 A KR 20170008584A
- Authority
- KR
- South Korea
- Prior art keywords
- current
- power
- distribution line
- meter
- zero cross
- 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.)
- Ceased
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
-
- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- 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
- G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/12—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into phase shift
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/002—Measuring real component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/005—Measuring apparent power
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
도 2는 본 발명의 실시예에 따른 전력계측시스템의 구성을 개략적으로 나타내는 도면이다.
도 3은 도 2에 도시된 전력계측시스템의 동작을 나타내는 순서도이다.
120: 전류계측기 121: 전류측정부
123: A/D변환부 125: 제로크로스 검출부
127: MCU 129: 통신부
130: 통합계측기
Claims (6)
- 배전선로로부터 전류 및 제로크로스 포인트를 측정하여 검출하고, 상기 전류 및 제로크로스 포인트로부터 상기 배전선로의 전류정보를 생성하여 출력하는 제1계측기; 및
상기 배전선로의 전압과 상기 제1계측기에서 출력된 상기 전류정보에 따라 상기 배전선로의 전력정보를 산출하는 제2계측기를 포함하는 것을 특징으로 하는 전력계측시스템. - 제1항에 있어서,
상기 제1계측기는 상기 제로크로스 포인트로부터 상기 전류의 위상을 변환하고, 상기 전류의 크기 및 변환된 위상을 포함하는 상기 전류정보를 생성하는 것을 특징으로 하는 전력계측시스템. - 제1항에 있어서,
상기 제1계측기는,
상기 배전선로로부터 상기 전류를 측정하는 측정부;
상기 전류를 디지털 데이터로 변환하는 변환부;
상기 배전선로로부터 전압에서 하나 이상의 상기 제로크로스 포인트를 검출하여 출력하는 제로크로스 검출부;
상기 디지털 데이터로부터 상기 전류의 크기 및 절대위상을 산출하고, 상기 제로크로스 포인트에 따라 상기 전류의 절대위상을 상대위상으로 변환하며, 상기 전류의 크기 및 상대위상을 포함하는 상기 전류정보를 생성하여 출력하는 MCU; 및
상기 전류정보를 상기 제2계측기로 전송하는 통신부를 포함하는 것을 특징으로 하는 전력계측시스템. - 제3항에 있어서,
상기 제1계측기는,
상기 배전선로와 연결되어 상기 제1계측기의 동작전원을 생성하는 전원생성부를 더 포함하는 것을 특징으로 하는 전력계측시스템. - 제4항에 있어서,
상기 제로크로스 검출부는, 상기 배전선로로부터 상기 전원생성부로 제공되는 전압에 대한 상기 제로크로스 포인트를 검출하는 것을 특징으로 하는 전력계측시스템 - 제3항에 있어서,
상기 제2계측기는,
상기 전압과 상기 전류의 크기를 곱하여 피상전력을 산출하고, 상기 피상전력에 상기 전류의 상대위상을 곱하여 상기 배전선로의 유효전력을 산출하며, 상기 유효전력을 포함하는 상기 전력정보를 생성하는 것을 특징으로 하는 전력계측시스템.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150099936A KR20170008584A (ko) | 2015-07-14 | 2015-07-14 | 전력계측시스템 |
EP16173619.4A EP3118636A1 (en) | 2015-07-14 | 2016-06-08 | Electric power measuring system |
CN201610547467.7A CN106353590A (zh) | 2015-07-14 | 2016-07-12 | 电功率测量系统 |
US15/209,630 US9863986B2 (en) | 2015-07-14 | 2016-07-13 | Electric power measuring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150099936A KR20170008584A (ko) | 2015-07-14 | 2015-07-14 | 전력계측시스템 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20170008584A true KR20170008584A (ko) | 2017-01-24 |
Family
ID=56116344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150099936A Ceased KR20170008584A (ko) | 2015-07-14 | 2015-07-14 | 전력계측시스템 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9863986B2 (ko) |
EP (1) | EP3118636A1 (ko) |
KR (1) | KR20170008584A (ko) |
CN (1) | CN106353590A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110539641A (zh) * | 2018-05-29 | 2019-12-06 | 厦门雅迅网络股份有限公司 | 一种车载电瓶的低压预警及自动断电保护电路 |
KR20210004576A (ko) * | 2019-07-05 | 2021-01-13 | 한국전력공사 | 전력설비의 동작 감시 장치 및 그 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7198447B2 (ja) * | 2019-05-31 | 2023-01-04 | ダイキン工業株式会社 | 電力測定装置及び電力測定方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100443824B1 (ko) * | 2003-09-09 | 2004-08-11 | 주식회사 한국코아엔지니어링 | 전자식 및 기계식 표시장치를 구비한 전력량계 |
JP2005189012A (ja) * | 2003-12-25 | 2005-07-14 | Toshiba Corp | 電力計測装置 |
JP2009222433A (ja) * | 2008-03-13 | 2009-10-01 | Toshiba Corp | 電力測定システム |
KR101251794B1 (ko) * | 2011-09-30 | 2013-04-08 | 삼성전기주식회사 | 전력 측정 시스템 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709339A (en) * | 1983-04-13 | 1987-11-24 | Fernandes Roosevelt A | Electrical power line parameter measurement apparatus and systems, including compact, line-mounted modules |
US5006846A (en) * | 1987-11-12 | 1991-04-09 | Granville J Michael | Power transmission line monitoring system |
JPH0711544B2 (ja) | 1992-12-04 | 1995-02-08 | 日本電気計器検定所 | 電子式移相回路及び電子式無効電力量計 |
IT1286463B1 (it) * | 1996-12-10 | 1998-07-08 | Sace Spa | Metodo per la misura della potenza assorbita da un carico in impianti di distribuzione elettrica |
JP3290946B2 (ja) | 1998-03-10 | 2002-06-10 | 株式会社東芝 | 電力演算装置 |
JP2002112411A (ja) | 2000-09-27 | 2002-04-12 | Nishishiba Electric Co Ltd | 配電盤の電気計測装置 |
KR20040066708A (ko) | 2003-01-24 | 2004-07-27 | 한빛이디에스(주) | 승법알고리즘을 이용한 신개념 디지털 전력측정기 |
JP2005081264A (ja) | 2003-09-09 | 2005-03-31 | Fuji Electric Holdings Co Ltd | メタン醗酵処理装置とその運転方法 |
KR100582215B1 (ko) | 2003-12-31 | 2006-05-23 | 주식회사 우림데이시스 | 전자식 전력량계를 구현한 다기능 전력선통신(plc) 모듈 |
KR101300789B1 (ko) | 2011-12-23 | 2013-08-29 | (주)에디테크 | 전력량계용 변류기의 비오차 측정 장치 및 그 측정 방법 |
-
2015
- 2015-07-14 KR KR1020150099936A patent/KR20170008584A/ko not_active Ceased
-
2016
- 2016-06-08 EP EP16173619.4A patent/EP3118636A1/en not_active Withdrawn
- 2016-07-12 CN CN201610547467.7A patent/CN106353590A/zh active Pending
- 2016-07-13 US US15/209,630 patent/US9863986B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100443824B1 (ko) * | 2003-09-09 | 2004-08-11 | 주식회사 한국코아엔지니어링 | 전자식 및 기계식 표시장치를 구비한 전력량계 |
JP2005189012A (ja) * | 2003-12-25 | 2005-07-14 | Toshiba Corp | 電力計測装置 |
JP2009222433A (ja) * | 2008-03-13 | 2009-10-01 | Toshiba Corp | 電力測定システム |
KR101251794B1 (ko) * | 2011-09-30 | 2013-04-08 | 삼성전기주식회사 | 전력 측정 시스템 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110539641A (zh) * | 2018-05-29 | 2019-12-06 | 厦门雅迅网络股份有限公司 | 一种车载电瓶的低压预警及自动断电保护电路 |
CN110539641B (zh) * | 2018-05-29 | 2022-02-18 | 厦门雅迅网络股份有限公司 | 一种车载电瓶的低压预警及自动断电保护电路 |
KR20210004576A (ko) * | 2019-07-05 | 2021-01-13 | 한국전력공사 | 전력설비의 동작 감시 장치 및 그 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20170016942A1 (en) | 2017-01-19 |
EP3118636A1 (en) | 2017-01-18 |
CN106353590A (zh) | 2017-01-25 |
US9863986B2 (en) | 2018-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2148075C (en) | High accuracy power monitor and method | |
KR100896091B1 (ko) | 대지저항성 누전전류 측정기 | |
US20150073734A1 (en) | Method and Device for Measuring Electrical Quantities | |
US9829519B2 (en) | Method and apparatus to commission voltage sensors and branch circuit current sensors for branch circuit monitoring systems | |
RU2635849C2 (ru) | Устройство и способ определения напряжения и мощности каждой фазы в сети среднего напряжения | |
JP2015510102A (ja) | 非接触電圧波形センサを用いて電力を算出するためのシステムおよび方法 | |
WO2012059061A1 (zh) | 高压电能质量检测方法与装置 | |
KR101681288B1 (ko) | 전력기기의 오차보정방법 | |
JP2013044752A (ja) | 位相識別システム及び方法 | |
US20150042311A1 (en) | Method and apparatus to diagnose current sensor polarities and phase associations for a three-phase electric power system | |
US20160349310A1 (en) | Method and apparatus to commission voltage sensors and branch circuit current sensors for branch circuit monitoring systems | |
JP5228128B1 (ja) | 信号生成装置、測定装置、漏電検出装置及び信号生成方法 | |
CN109683123A (zh) | 一种带自校准诊断功能的单相标准功率电能表 | |
KR20170008584A (ko) | 전력계측시스템 | |
KR101039037B1 (ko) | 전류파형 유사도 측정에 의한 활선 변류비 오차 검사 방법 | |
WO2008072287A1 (ja) | 漏洩電流検出装置及び漏洩電流検出方法 | |
KR20010052843A (ko) | 전력계에서 주파수 보상에 대한 시스템 및 방법 | |
KR20100029932A (ko) | 계기용 변압변류기 및 전력량계의 오차 측정 시스템 및방법 | |
KR100824515B1 (ko) | 디지털 전력 계통 계측 장치 및 그 방법 | |
EP3133632B1 (en) | Circuit breaker | |
JP5485344B2 (ja) | 監視装置、監視システム | |
US9194897B2 (en) | Electronic watt-hour meter and electronic watt-hour measuring method | |
CN210347905U (zh) | 一种用于对直流互感器校验仪进行整检的系统 | |
JP2005189012A (ja) | 電力計測装置 | |
CN109581265B (zh) | 一种基于功率误差的电流互感器抗直流性能检测方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20150714 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20180118 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20150714 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20190327 Patent event code: PE09021S01D |
|
AMND | Amendment | ||
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20190827 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20190327 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
AMND | Amendment | ||
PX0901 | Re-examination |
Patent event code: PX09011S01I Patent event date: 20190827 Comment text: Decision to Refuse Application Patent event code: PX09012R01I Patent event date: 20190517 Comment text: Amendment to Specification, etc. |
|
PX0601 | Decision of rejection after re-examination |
Comment text: Decision to Refuse Application Patent event code: PX06014S01D Patent event date: 20191015 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20190927 Comment text: Decision to Refuse Application Patent event code: PX06011S01I Patent event date: 20190827 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20190517 Comment text: Notification of reason for refusal Patent event code: PX06013S01I Patent event date: 20190327 |