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WO2018139900A1 - Appareil de détermination de type de mesure - Google Patents

Appareil de détermination de type de mesure Download PDF

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Publication number
WO2018139900A1
WO2018139900A1 PCT/KR2018/001188 KR2018001188W WO2018139900A1 WO 2018139900 A1 WO2018139900 A1 WO 2018139900A1 KR 2018001188 W KR2018001188 W KR 2018001188W WO 2018139900 A1 WO2018139900 A1 WO 2018139900A1
Authority
WO
WIPO (PCT)
Prior art keywords
metering
amount
electricity
power
meter
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
Application number
PCT/KR2018/001188
Other languages
English (en)
Korean (ko)
Inventor
이철민
이승재
김범조
김완회
김기홍
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.)
Korea Electric Power Corp
Original Assignee
Korea Electric Power Corp
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 Korea Electric Power Corp filed Critical Korea Electric Power Corp
Publication of WO2018139900A1 publication Critical patent/WO2018139900A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques

Definitions

  • the present invention relates to an apparatus for determining a metering method of a wattmeter.
  • the electricity meter firmware can process the power meter values in a forward and vector manner.
  • the forward method does not measure the power returned by the customer to the electricity supplier if the electricity supplier generates electricity and receives power from the customer and the power is generated and returned to the electricity supplier.
  • Receiving is a metering method that accumulates only the power.
  • Vector method accumulates electricity received or transmitted by adding and subtracting each other through vector calculation for each phase when electricity sales company produces electricity and electricity received by customer and electricity returned by electricity sales company. It is a metering method.
  • the forward and vector methods have the same weighing value when the customer is unidirectionally transmitting power from the electricity supplier. However, when the customer generates electricity, power current is generated, power transmission is performed in a specific phase, and reverse transmission is performed in the remaining phases, so that the weighing values of both methods are different.
  • the load is applied in a laboratory environment, and the power metering method applied to the electricity meter is determined by comparing the amount of power applied to the load and the amount accumulated in the meter.
  • the power metering method applied to the electricity meter is determined by comparing the amount of power applied to the load and the amount accumulated in the meter.
  • An object of the present invention is to provide a weighing method determination device that can determine the metering method of the customer's electricity meter without a load outage.
  • Weighing method determination apparatus includes a first metering module for metering the amount of power of the electricity meter corresponding to the inspection target by the first metering method; A second metering module that measures the amount of power of the electricity meter in a second metering manner different from the first metering method; And an arithmetic processor configured to compare the amount of electricity metered in the electricity meter and the amount of electricity metered in the first and second metering modules to determine a metering method of the meter. It may include.
  • one of the first metering method and the second metering method may correspond to a forward method, and the other may correspond to a vector method.
  • the operation processor may compare the amount of power metered in the unit meter for the unit time with the amount of power metered in the unit of time in the first and second metering modules.
  • the calculation processor determines that the first metering method is applied, and the meter is measured in the second metering module.
  • the meter may determine that the second metering method is applied.
  • the operation processor may receive the amount of power measured by the electricity meter through at least one communication scheme of wired and wireless.
  • the voltage input to the electricity meter may be extracted in parallel and provided to the first and second metering modules.
  • the current input to the electricity meter may be extracted in one of hook-on and clamp-on methods and provided to the first and second metering modules.
  • the display unit for outputting the processing result of the operation processor may further include.
  • FIG. 1 is a block diagram of a measuring method determination device according to an embodiment of the present invention.
  • FIG. 2 is a conceptual diagram provided to explain the voltage and current detection method of the weighing method determination device according to an embodiment of the present invention.
  • FIG. 1 is a block diagram of a measuring method determination device according to an embodiment of the present invention.
  • the weighing method determination apparatus 100 may include a first weighing module 110, a second weighing module 120, an arithmetic processing unit 130, and a display 140.
  • the first metering module 110 and the second metering module 120 may measure the amount of power of the electricity meter of the customer corresponding to the inspection target in different ways.
  • the first metering module 110 may measure the amount of power in a first metering manner
  • the second metering module 120 may meter the amount of power in a second metering manner.
  • One of the first metering module 110 and the second metering module 120 may measure the amount of power of the customer's electricity meter in a forward manner, and the other may measure the amount of electricity of the customer's electricity meter in a vector manner.
  • the forward method does not measure the power returned by the customer to the electricity supplier if the electricity supplier generates electricity and receives power from the customer and the power is generated and returned to the electricity supplier.
  • Receiving is a metering method that accumulates only the power.
  • Vector method accumulates electricity received or transmitted by adding and subtracting each other through vector calculation for each phase when electricity sales company produces electricity and electricity received by customer and electricity returned by electricity sales company. It is a metering method.
  • the first metering module 110 measures the amount of power of the electricity meter of the customer in a forward manner
  • the second metering module 120 measures the amount of electricity of the electricity meter of the customer in a vector manner.
  • Each of the first weighing module 110 and the second weighing module 120 is applied to each of the first weighing module 110 and the second weighing module 120 using a voltage and a current input to the customer's electricity meter. You can measure the power of your electricity meter.
  • FIG. 2 is a conceptual diagram provided to explain the voltage and current detection method of the weighing method determination device according to an embodiment of the present invention.
  • the weighing method determination apparatus 100 further includes a voltage terminal PT and a current terminal CT to detect voltage and current input to a customer's electricity meter. Can be.
  • the voltage terminal PT in the weighing method determination device 100 extracts the voltage of each phase PHASE 1-4 input in parallel to the customer's electricity meter METER at the secondary side of the voltage terminal PT and extracts the extracted voltage. May be provided to the first weighing module 110 and the second weighing module 120.
  • the current terminal CT in the weighing method determination device 100 hooks or clamps the current input from the secondary side of the current terminal CT to the source terminal or the load LOAD side of the customer's electricity meter METER. Can be extracted in such a way.
  • the current terminal CT may provide the first weighing module 110 and the second weighing module 120 with current extracted by being connected in series with the first weighing module 110 and the second weighing module 120.
  • the load connected to the customer's electricity meter is a power failure Can be solved.
  • the operation processor 130 may compare the amount of power metered by the customer's electricity meter with the amount of electricity metered by the first metering module 110 and the second metering module 120.
  • the calculation processor 130 may receive the amount of power measured by the customer's electricity meter through at least one communication method of wired and wireless.
  • the operation processor 130 compares the amount of power metered by the first metering module 110 and the second metering module 120 with the amount of power metered by the customer's meter during the unit time, and measures the metering method of the customer's meter. You can judge.
  • each of the first metering module 110, the second metering module 120, and the customer's power meter may include a pulse output module for outputting a predetermined number of pulses according to a reference power amount to be metered.
  • the operation processor 130 may determine the metering method of the customer's electricity meter by comparing the number of pulses output from the first metering module 110, the second metering module 120, and the customer's electricity meter during the unit time.
  • the present invention by comparing the amount of electricity metered in the customer's electricity meter during the unit time and the amount of electricity metered in the first metering module 110 and the second metering module 120 during the unit time, Not only can the weighing method be determined, but also the unit time error can be checked, thereby detecting faults and malfunctions of the customer's electricity meter.
  • the calculation processor 130 may determine that the power meter of the customer is the same as the metering method of the first meter module 110 when the amount of power measured by the first meter module 110 and the amount of power metered by the customer's meter are the same. have.
  • the meter of the customer may be determined to be the same as the metering method of the second metering module 120.
  • the display 140 may output the result processed by the operation processor 130.
  • the display unit 140 may display a processing method of the determined electricity meter of the customer, as a result of the processing of the operation processor 130.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

La présente invention concerne, selon un mode de réalisation, un appareil de détermination de type de mesure pouvant comprendre : un premier module de mesure pour mesurer, par un premier procédé de mesure, une quantité de puissance d'un watt-heuremètre correspondant à un objet à inspecter ; un second module de mesure pour mesurer, par un second procédé de mesure différent du premier procédé de mesure, la quantité de puissance du watt-heuremètre ; et une unité de traitement arithmétique pour comparer la quantité de puissance mesurée par le watt-heuremètre à la quantité de puissance mesurée par les premier et second modules de mesure et déterminer le procédé de mesure du watt-heuremètre.
PCT/KR2018/001188 2017-01-26 2018-01-26 Appareil de détermination de type de mesure Ceased WO2018139900A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170012890A KR102052542B1 (ko) 2017-01-26 2017-01-26 계량 방식 판단 장치
KR10-2017-0012890 2017-01-26

Publications (1)

Publication Number Publication Date
WO2018139900A1 true WO2018139900A1 (fr) 2018-08-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/001188 Ceased WO2018139900A1 (fr) 2017-01-26 2018-01-26 Appareil de détermination de type de mesure

Country Status (2)

Country Link
KR (1) KR102052542B1 (fr)
WO (1) WO2018139900A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113049863A (zh) * 2021-03-16 2021-06-29 青岛鼎信通讯股份有限公司 一种基于负荷监测单元的窃电用户分段定位方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102778039B1 (ko) * 2020-01-22 2025-03-10 엘에스일렉트릭(주) 전력량을 측정하는 방법 및 그를 위한 계측기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990074087A (ko) * 1998-03-06 1999-10-05 이종수 전자식 전력량계의 오차 보상 장치
KR100637805B1 (ko) * 2006-03-30 2006-10-24 주식회사 루텍 전력상태 분석단말기
KR20070048485A (ko) * 2005-11-04 2007-05-09 한국표준과학연구원 현장 시험용 이동식 전력량계 시험장치
KR20140003840U (ko) * 2012-12-13 2014-06-23 한국전력공사 휴대용 전력량계의 오차 시험장치
US20140184198A1 (en) * 2012-12-31 2014-07-03 Veris Industries, Llc Power meter with automatic configuration

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002074570A (ja) * 2000-08-28 2002-03-15 Yoshiomi Yamada 計量装置及び検針装置並びに検針システム
JP2002140783A (ja) * 2000-11-01 2002-05-17 Matsushita Electric Ind Co Ltd 無線データ収集システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990074087A (ko) * 1998-03-06 1999-10-05 이종수 전자식 전력량계의 오차 보상 장치
KR20070048485A (ko) * 2005-11-04 2007-05-09 한국표준과학연구원 현장 시험용 이동식 전력량계 시험장치
KR100637805B1 (ko) * 2006-03-30 2006-10-24 주식회사 루텍 전력상태 분석단말기
KR20140003840U (ko) * 2012-12-13 2014-06-23 한국전력공사 휴대용 전력량계의 오차 시험장치
US20140184198A1 (en) * 2012-12-31 2014-07-03 Veris Industries, Llc Power meter with automatic configuration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113049863A (zh) * 2021-03-16 2021-06-29 青岛鼎信通讯股份有限公司 一种基于负荷监测单元的窃电用户分段定位方法

Also Published As

Publication number Publication date
KR20180088161A (ko) 2018-08-03
KR102052542B1 (ko) 2019-12-06

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