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WO1997039363A1 - Appareil de mesure de la consommation electrique - Google Patents

Appareil de mesure de la consommation electrique Download PDF

Info

Publication number
WO1997039363A1
WO1997039363A1 PCT/FI1997/000234 FI9700234W WO9739363A1 WO 1997039363 A1 WO1997039363 A1 WO 1997039363A1 FI 9700234 W FI9700234 W FI 9700234W WO 9739363 A1 WO9739363 A1 WO 9739363A1
Authority
WO
WIPO (PCT)
Prior art keywords
equivalent
measuring unit
measurement
fuses
busbar
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/FI1997/000234
Other languages
English (en)
Finnish (fi)
Inventor
Teijo Miettinen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU25704/97A priority Critical patent/AU2570497A/en
Publication of WO1997039363A1 publication Critical patent/WO1997039363A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters

Definitions

  • the subject of this invention concerns apparatus for the measurement of electrical energy consumption by the consumer, analysed according to the various points of usage.
  • Consumption of electricity is monitored by recording the electricity consumed by a house or apartment by means of an electricity meter.
  • an electricity meter At present, however, it is not possible to accurately identify how energy consumption by the end-user is divided between various points of usage. In other words, how great is the consumption of electricity by various applications such as lighting, food preparation, heating or any other application.
  • the information obtained from one meter cannot be used to monitor electricity consumption due solely to, for example, heating. Estimates calculated for this purpose, whilst providing an indication, can differ significantly from the real situation.
  • the purpose of this invention is to introduce apparatus for the measurement of electrical energy consumption which can be used by the consumer to measure electrical energy consumption by point of usage or by area of usage.
  • the purpose of the invention is to introduce an apparatus which has a simple and functional construction.
  • the apparatus consists of wires or other elements connected to fuses or insulated cables, a busbar or equivalent in an electrical mains centre or equivalent for the purpose of data transfer, and a measuring unit for the conversion of the current or voltage of each fuse, cable, busbar or equivalent into a format that can be analysed.
  • One lead is connected to each fuse, fuse group, cable, busbar or equivalent and the measuring unit measures directly the current, voltage and efficiency of the particular fuse, fuse group, cable, busbar, or equivalent.
  • a fuse in this sense means a fuse plug or circuit breaker, i.e. an automatic fuse.
  • the measurement calculations are performed in the measuring unit.
  • the data from the measuring unit is transferred to a computer which calculates, analyses and prints the measurement results obtained. In the event that there is too much data arriving at the measuring unit for it to handle, the data is stored on the computer hard disk. Data can also be transferred by wireless means, for example optically, as an alternative to using leads.
  • the electrical energy consumption for the entire property can be recorded with the apparatus and identified by points or areas of usage.
  • the electrical consumption of appliances attached to the separate fuses, fuse groups, cables busbar, or equivalent can be identified and monitored.
  • the apparatus can be used for measuring hourly capacity and peak performance, selecting the cheapest electricity supply tariffs and the determination of the power coefficient. All the measurement results can be examined either as a whole or for each measured group separately. For example, the total energy cost formed by different tariffs can be verified by observation using the apparatus. With the help of the apparatus the optimal peak performance can be reliably defined because the efficiency can be checked in separate small areas.
  • the apparatus according to the invention can be a fixed installation or can be portable.
  • the apparatus includes a measured-value converter with which the variable to be measured can be transformed into a direct or a more easily handled format.
  • This kind of measured- value converter can, in accordance with the invention, be installed with the fuses, cables, busbar or equivalent element or measuring unit either inside them or on them or in their immediate vicinity.
  • the variables to be measured can be transformed with a transformer, semi-conductor technology or by using optical measured- value transforming technology.
  • the apparatus includes a multiplexer which is located between the leads and the measuring unit.
  • the measurement is carried out using the multiplexer to connect each of the fuses to be measured to the measuring apparatus.
  • the apparatus includes a memory unit situated after the measuring unit for the collection and recovery of data.
  • This kind of separate memory unit can be used to collect data which can be transferred at suitable intervals to the actual computer.
  • Figure 1 shows an application of the apparatus in accordance with the invention in diagrammatic form
  • figure 2 shows another application in diagrammatic form.
  • the area or main electricity centre is shown as number 1 and the fuses and fuse box covers located in it are shown as number 2.
  • the apparatus according to the invention includes the leads 3, which are directly connected to the fuses, and the measured- value converter 4 connected to the leads.
  • the connection of the leads to the converter can be carried out so that all the fuse covers are exchanged for covers connected by bipolar measuring leads 3 to the measured-value converter 4.
  • the converter itself is connected to the computer 5.
  • the current and voltage values to be measured are transferred from the base of the plug fuses 2 along the measuring leads 3 to the measured- value converter 4.
  • the measured- value converter the current and voltage are converted into a suitable format so that the data can be analysed by the computer 5.
  • the measuring apparatus remains connected to the fuse group at the mains centre for as long as is necessary to achieve sufficiently accurate results.
  • FIG. 2 In the layout shown in figure 2 there is a multiplexer 6 placed between the measuring unit 4 and the leads 3.
  • the multiplexer selects the fuses to be monitored in the measurement unit 4.
  • the measuring unit itself is connected to the computer 5 in this case as well.
  • the apparatus can be used with as many measurement areas as required.
  • the apparatus can be used, for example, as a normal multichannel Kwh meter or as an interference analyser depending on what kind of programme has been programmed into the measuring unit.
  • the programmes in the measuring unit can also be changed as necessary.
  • wireless connections are used for the transfer of data from the fuses, cables, busbar or equivalent elements to the measuring unit.
  • Wireless connection can be achieved using existing recognised methods such as equipment operating by optical or other methods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention porte sur un appareil de mesure de la consommation d'énergie électrique d'un consommateur analysée selon les différents points d'utilisation. Ledit appareil consiste en fils (3) ou autres éléments raccordés à des fusibles (2), ou en câbles isolés, en barres omnibus ou analogues placés dans un centre raccordé au réseau électrique (1) ou analogue en vue du transfert de données, et en une unité de mesure (4) convertissant l'intensité ou la tension de chacun des fusibles, câbles, barres omnibus ou analogues sous une forme pouvant être analysée.
PCT/FI1997/000234 1996-04-16 1997-04-16 Appareil de mesure de la consommation electrique Ceased WO1997039363A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25704/97A AU2570497A (en) 1996-04-16 1997-04-16 Apparatus for the measurement of electrical energy consumption

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI961658A FI961658L (fi) 1996-04-16 1996-04-16 Laitteisto sähköenergian kulutuksen mittaamiseksi
FI961658 1996-04-16

Publications (1)

Publication Number Publication Date
WO1997039363A1 true WO1997039363A1 (fr) 1997-10-23

Family

ID=8545851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1997/000234 Ceased WO1997039363A1 (fr) 1996-04-16 1997-04-16 Appareil de mesure de la consommation electrique

Country Status (3)

Country Link
AU (1) AU2570497A (fr)
FI (1) FI961658L (fr)
WO (1) WO1997039363A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001073453A1 (fr) * 2000-03-29 2001-10-04 Georg Riegel Systeme de mesure decentralisee de flux d'energie et de substances
GB2379992A (en) * 2001-09-25 2003-03-26 Siemens Metering Ltd Improvements in or relating to Electricity Meters
GB2428486A (en) * 2005-07-19 2007-01-31 James Albert Owen Energy use monitor
ES2400995A1 (es) * 2010-11-12 2013-04-16 Pronutec, S.A. Módulo de medida en base portafusibles tripolar.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157448A (en) * 1984-04-10 1985-10-23 Yu Chen Watt-hour meter
EP0232173A2 (fr) * 1986-02-06 1987-08-12 Oliver J. Nilsen (Australia) Limited Analyseur de la consommation d'énergie électrique
FR2617310A1 (fr) * 1987-06-26 1988-12-30 Kalfon Rene Dispositif centralise de comptage notamment de consommations d'energie electrique
EP0315834A1 (fr) * 1987-11-10 1989-05-17 Siemens Aktiengesellschaft Compteur avec deux compteurs de tarif pour le calcul séparé de la consommation de deux groupes d'utilisateurs
WO1990012325A1 (fr) * 1989-04-04 1990-10-18 Standard Telephone And Cables Pty. Limited Circuit d'echantillonnage
GB2274171A (en) * 1993-01-04 1994-07-13 Laurence Julian Trackman Electricity monitor
DE4413028A1 (de) * 1994-04-18 1995-10-19 Gemac Ges Fuer Mikroelektronik Einrichtung zum Messen und Registrieren von Betriebsstunden und Betriebszuständen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157448A (en) * 1984-04-10 1985-10-23 Yu Chen Watt-hour meter
EP0232173A2 (fr) * 1986-02-06 1987-08-12 Oliver J. Nilsen (Australia) Limited Analyseur de la consommation d'énergie électrique
FR2617310A1 (fr) * 1987-06-26 1988-12-30 Kalfon Rene Dispositif centralise de comptage notamment de consommations d'energie electrique
EP0315834A1 (fr) * 1987-11-10 1989-05-17 Siemens Aktiengesellschaft Compteur avec deux compteurs de tarif pour le calcul séparé de la consommation de deux groupes d'utilisateurs
WO1990012325A1 (fr) * 1989-04-04 1990-10-18 Standard Telephone And Cables Pty. Limited Circuit d'echantillonnage
GB2274171A (en) * 1993-01-04 1994-07-13 Laurence Julian Trackman Electricity monitor
DE4413028A1 (de) * 1994-04-18 1995-10-19 Gemac Ges Fuer Mikroelektronik Einrichtung zum Messen und Registrieren von Betriebsstunden und Betriebszuständen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001073453A1 (fr) * 2000-03-29 2001-10-04 Georg Riegel Systeme de mesure decentralisee de flux d'energie et de substances
GB2379992A (en) * 2001-09-25 2003-03-26 Siemens Metering Ltd Improvements in or relating to Electricity Meters
GB2428486A (en) * 2005-07-19 2007-01-31 James Albert Owen Energy use monitor
ES2400995A1 (es) * 2010-11-12 2013-04-16 Pronutec, S.A. Módulo de medida en base portafusibles tripolar.

Also Published As

Publication number Publication date
FI961658A0 (fi) 1996-04-16
AU2570497A (en) 1997-11-07
FI961658A7 (fi) 1997-10-17
FI961658L (fi) 1997-10-17

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