WO2014006239A1 - Procédé pour mesurer et corriger la consommation d'énergie réactive dans une ligne électrique et équipement pour mettre en oeuvre ledit procédé - Google Patents

Procédé pour mesurer et corriger la consommation d'énergie réactive dans une ligne électrique et équipement pour mettre en oeuvre ledit procédé Download PDF

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Publication number
WO2014006239A1
WO2014006239A1 PCT/ES2013/000157 ES2013000157W WO2014006239A1 WO 2014006239 A1 WO2014006239 A1 WO 2014006239A1 ES 2013000157 W ES2013000157 W ES 2013000157W WO 2014006239 A1 WO2014006239 A1 WO 2014006239A1
Authority
WO
WIPO (PCT)
Prior art keywords
consumption
procedure
measurement
correction
equipment
Prior art date
Application number
PCT/ES2013/000157
Other languages
English (en)
Spanish (es)
Inventor
Daniel MARTINEZ SANCHEZ
Original Assignee
Martinez Sanchez Daniel
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 Martinez Sanchez Daniel filed Critical Martinez Sanchez Daniel
Publication of WO2014006239A1 publication Critical patent/WO2014006239A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1828—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepwise control, the possibility of switching in or out the entire compensating arrangement not being considered as stepwise control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation

Definitions

  • the present invention encompasses in the field of procedures and devices for compensating reactive energy in power lines.
  • Said invention relates to a method and equipment for the measurement and correction of inductive reactive energy consumption in an electric line, said equipment located at the head of the line, comprising sensors, at least one capacitor being provided, independently measuring on each phase of the line, evaluating and processing the values obtained, and compensating the reactive energy independently in each phase 20 by means of the capacitor arranged in each one, in real time, so that each capacitor of each phase acts in isolation or in combination with the capacitors of other phases.
  • the electrical energy consumed by the equipment of an installation and that produces useful work is the so-called active energy, measured in kWh (kilowatt hour) and billed by the electric company.
  • This energy does not produce useful work, that is, it is not usable by equipment. It is measured in kVArh (reactive kilovoltage hour), and not billed by the utility if it does not exceed a certain amount.
  • the present invention relates to a procedure for the measurement and correction of inductive reactive energy consumption in an electric line, in which said procedure is carried out by means of an equipment located in the header of the line comprising intensity, voltage, power factor, active energy and reactive energy sensors.
  • At least one capacitor is available in each phase and the procedure includes the following stages:
  • the invention relates to a device for measuring and correcting the inductive energy consumption of an inductive type in an electric line, located at the head of the line, according to the aforementioned procedure, comprising current, voltage, and current sensors. power factor, active energy and reactive energy, an electronic device, and at least one capacitor.
  • the equipment includes means for wireless communication (1 .6, 2.6, 3.3). Also, optionally other equipment can be placed at a point on the line other than the header.
  • a team can interact with any point of the installation where there is other equipment, at a low cost, since it reduces the use of labor thanks to the wireless communications system, providing maximum control and therefore, security and saving.
  • Figure 1 illustrates a three-phase electrical installation with inductive-type reactive charging devices and head-end equipment and another on the line, both of which are piloting capacitor banks.
  • Figure 2 illustrates a three-phase electrical installation with inductive-type reactive charging devices and a head-end equipment and another on the line, the first one piloting a capacitor bank and the second one directly piloting an apparatus.
  • the present invention is a method for measuring and correcting the consumption of reactive energy of inductive type in an electric line, in which said method is carried out by means of a device (1) located at the head of the line comprising sensors ( 1.1) intensity, voltage, of power factor, active energy and reactive energy, in which at least one capacitor (1.2) is provided in each phase and comprises the following stages:
  • each capacitor (1.2) of each phase acts in isolation or in combination with the capacitors of other phases.
  • connection of one or more capacitors is carried carried out by piloting a counter (1 .4), which is commanded by the electronic device (1.3, 2.3, 3.3).
  • the temperature is also measured by means of a probe (1.7)
  • the measurement data obtained in stage a) and the correction orders sent in stage c) can be transmit via means for wireless communication (1 .6), for transmission, for example, via radio, Wi-Fi, 3G or ZigBee (registered trademark) to a user.
  • the correction is made in the reactive energy considering either one phase or several phases, as in the set of all phases in the three-phase installation represented in the figures.
  • the arrangement of the equipment (1) in the header of the line provides us with the consumption of the entire installation. There is the possibility of distributing other equipment (2,3) by other parts of the installation other than the head and thus obtain more specific electrical consumptions, as in production lines.
  • This equipment (2) is the same as the one located in the header (1): with sensors (2.1), capacitors (2.2) grouped in battery (2.5), electronic device (2.3), counter (2.4), means for wireless communication (2.6) and temperature probe (2.7), and they operate according to the same procedure or they may be different (3) in the sense of having sensors (3.1), electronic device (3.2), means for wireless communication (3.4) and temperature probe ( 3.5) but instead of piloting a capacitor bank (2.5) they directly pilot an apparatus (7).
  • the equipment (1,2,3) allows to know in real time the electrical consumption of the installation and the elements installed in it, being possible by means of its electronic device (1 .3 , 2.3, 3.2), either internal to the device (1, 2,3), or external to it as any tablet, PC or 3G mobile phone.
  • This is very important, since in this way we can clearly see different alarms of excess consumption such as the following: - accumulated consumption month and instantaneous consumption: accumulated consumption of the current month and its instantaneous consumption in real time, knowing the consumption at all times.
  • the device (4,5,6,7) increases excessively the consumption of electrical energy at a given moment by identifying it and allowing the appropriate decisions to be made.
  • the invention described here allows the inductive type compensation of inductive type through the stepped input of the capacitors (1.2, 2.2) in a single-phase and three-phase manner at the same time, achieving a more efficient and precise correction.
  • the invention also relates to an equipment for measuring and correcting the consumption of reactive energy of inductive type in an electrical line, located at the head of the line, according to the method of any of the preceding claims comprising sensors (1.1) of intensity of voltage, power factor, active energy and reactive energy, an electronic device (1.3), and at least one capacitor (1.2).
  • the equipment (1, 2,3) includes means for wireless communication (1.6, 2.6, 3.3) for transmission, for example, via radio, wifi, 3G or ZigBee (registered trademark) to a user.
  • equipment 1, 2,3) includes a probe (1, 7, 2.7, 3.4) for temperature measurement.
  • the equipment (2,3) located downstream of the headland allows monitoring the electrical installation at different points. Thanks to this, we reduce the overloads in some secondary lines to the main one, reducing the heat generated by the Joule effect, maximizing the savings and performance of our installation, regardless of its size or capacity and detecting problems or malfunctions.
  • each device (1, 2,3) has three digital inputs, an analog temperature input and three relay activated outputs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne un procédé et un équipement pour mesurer et corriger la consommation d'énergie réactive de type inductive dans une ligne électrique, ledit équipement étant situé dans la partie de tête de ligne, comprenant des capteurs, au moins un condensateur, mesurant de manière indépendante sur chaque phase de la ligne, évaluant et traitant les valeurs obtenues, et compensant l'énergie réactive de manière indépendante dans chaque phase au moyen du condensateur présent dans chacune des phases, en temps réel, de façon que chaque condensateur de chaque phase agisse de manière isolée ou en combinaison avec les condensateurs des autres phases.
PCT/ES2013/000157 2012-07-06 2013-06-27 Procédé pour mesurer et corriger la consommation d'énergie réactive dans une ligne électrique et équipement pour mettre en oeuvre ledit procédé WO2014006239A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201231064 2012-07-06
ESP201231064 2012-07-06

Publications (1)

Publication Number Publication Date
WO2014006239A1 true WO2014006239A1 (fr) 2014-01-09

Family

ID=49881396

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2013/000157 WO2014006239A1 (fr) 2012-07-06 2013-06-27 Procédé pour mesurer et corriger la consommation d'énergie réactive dans une ligne électrique et équipement pour mettre en oeuvre ledit procédé

Country Status (1)

Country Link
WO (1) WO2014006239A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11540838B2 (en) 2019-08-30 2023-01-03 Boston Scientific Scimed, Inc. Left atrial appendage implant with sealing disk
US11903589B2 (en) 2020-03-24 2024-02-20 Boston Scientific Scimed, Inc. Medical system for treating a left atrial appendage
US11944314B2 (en) 2019-07-17 2024-04-02 Boston Scientific Scimed, Inc. Left atrial appendage implant with continuous covering

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5942880A (en) * 1998-01-20 1999-08-24 Mitsubishi Denki Kabushiki Kaisha Compensation control device for a power system
US20050194944A1 (en) * 2004-03-04 2005-09-08 Folts Douglas C. Dynamic reactive compensation system and method
WO2009134770A1 (fr) * 2008-04-28 2009-11-05 Abb Research Ltd. Appareil et procédé pour augmenter un rendement dans des installations de production d'électricité

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5942880A (en) * 1998-01-20 1999-08-24 Mitsubishi Denki Kabushiki Kaisha Compensation control device for a power system
US20050194944A1 (en) * 2004-03-04 2005-09-08 Folts Douglas C. Dynamic reactive compensation system and method
WO2009134770A1 (fr) * 2008-04-28 2009-11-05 Abb Research Ltd. Appareil et procédé pour augmenter un rendement dans des installations de production d'électricité

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11944314B2 (en) 2019-07-17 2024-04-02 Boston Scientific Scimed, Inc. Left atrial appendage implant with continuous covering
US11540838B2 (en) 2019-08-30 2023-01-03 Boston Scientific Scimed, Inc. Left atrial appendage implant with sealing disk
US11903589B2 (en) 2020-03-24 2024-02-20 Boston Scientific Scimed, Inc. Medical system for treating a left atrial appendage

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