WO2013089448A1 - Régulateur de tension automatique - Google Patents

Régulateur de tension automatique Download PDF

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Publication number
WO2013089448A1
WO2013089448A1 PCT/KR2012/010832 KR2012010832W WO2013089448A1 WO 2013089448 A1 WO2013089448 A1 WO 2013089448A1 KR 2012010832 W KR2012010832 W KR 2012010832W WO 2013089448 A1 WO2013089448 A1 WO 2013089448A1
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WO
WIPO (PCT)
Prior art keywords
voltage
output
input
transformer
coil
Prior art date
Application number
PCT/KR2012/010832
Other languages
English (en)
Korean (ko)
Inventor
금종관
Original Assignee
Geum Jong-Gwan
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 Geum Jong-Gwan filed Critical Geum Jong-Gwan
Publication of WO2013089448A1 publication Critical patent/WO2013089448A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices

Definitions

  • the present invention relates to an automatic voltage regulator (AVR).
  • AVR automatic voltage regulator
  • slidax is used as a voltage regulating device of AC.
  • SLIDAX is a voltage adjusting transformer that can output an output voltage arbitrarily by receiving a constant input power. The output voltage can be adjusted, but the output voltage must be monitored by a person, and the voltage must be adjusted. It is not suitable for power supply of equipment or load requiring stable AC voltage.
  • the automatic voltage regulating device is a device that maintains the output voltage at a constant value.
  • the automatic voltage regulating device is used as an independent device and used independently of an AC generator, a DC generator, a constant voltage rectifier, and the like.
  • the magnetic field current is controlled by detecting a change in the terminal voltage caused by a change in load, speed, etc.
  • the input voltage is detected by detecting a change in the terminal voltage caused by a change in power supply or load.
  • the conventional automatic voltage regulating device as described above is not only complicated power control means and control circuit for stable voltage control, but also expensive large-capacity power conversion transformer, semiconductor switching element, accessory circuit size, product size There is a problem that is difficult to manufacture by miniaturizing the size.
  • An object of the present invention is to provide an automatic voltage regulating device for outputting a voltage set by a user to a load side regardless of a single-phase or three-phase voltage change inputted to solve the above problems.
  • Another object of the present invention is to provide an automatic voltage regulating device for precisely controlling the input single-phase or three-phase voltage by a single volt unit through a plurality of switch controls provided on the input side.
  • Still another object of the present invention is to provide an automatic voltage regulating device for stably operating by preventing a temporary disconnection of power during switching operation of an input side for automatic voltage adjusting.
  • Automatic voltage regulating device for achieving this object, in the automatic voltage regulating device for supplying to the load side by reducing or boosting the input single-phase or three-phase voltage, the AC voltage input from the outside Outputs a reduced or boosted voltage by induction, and a plurality of taps are provided at the output terminal to directly output an input voltage control transformer for outputting different voltages according to the difference in the number of turns of the coil, and an electrical directly to the output terminal of the transformer for input voltage control.
  • the output voltage control transformer for outputting the input voltage to the load side by decompressing or boosting the voltage in the input voltage control transformer, and one of the plurality of taps provided at the output terminal of the input voltage control transformer for switching the corresponding tap
  • the automatic voltage regulating device may further include a display unit configured to display an input voltage, an output voltage, a set voltage, and a driving state of the device based on the control of the controller.
  • the transformer for input voltage adjustment includes a primary coil that induces an AC voltage input from the outside to the secondary coil, and one end of the primary coil is electrically connected directly to a point inside, and the voltage induced by the primary coil It outputs by reducing or boosting the pressure, a plurality of tabs are provided in the output terminal may include a secondary coil to output a different voltage to the transformer for output voltage control according to the difference in the number of windings of the coil.
  • the taps provided at the output end of the secondary coil may have a number of turns capable of reducing or boosting the voltage in steps of 1 to 2 volts based on the tap for outputting the reference voltage at the center of the input end of the secondary coil. It is preferable to be provided one by one.
  • the output voltage regulating transformer is directly connected to the output terminal of the input voltage regulating transformer, the tertiary coil receives the reduced or boosted voltage from the input voltage regulating transformer, and the reduced or boosted voltage input to the tertiary coil. It may include a fourth coil to induce a voltage to output to the load.
  • the switch part is comprised by the number of switches corresponding to the some tap provided in the output terminal of the transformer for input voltage regulation.
  • a plurality of taps are made in the unit of a single volt in the input side coil, and switch control is performed according to the user's set voltage to transfer the reduced or boosted voltage in the unit of volt to the load side.
  • switch control is performed according to the user's set voltage to transfer the reduced or boosted voltage in the unit of volt to the load side.
  • the current flowing to the input side can be designed to be very small compared with the current output to the load side, unlike the conventional automatic voltage regulating device, the coil winding on the input side can be greatly reduced, and thus the equipment can be made small. Therefore, there is an effect that can greatly increase the economics and availability.
  • FIG. 1 is a view schematically showing the configuration of an embodiment of an automatic voltage regulating device according to the present invention.
  • FIG. 2 is a flowchart showing in detail the operation of the automatic voltage regulating device according to the present invention.
  • FIG. 1 is a view schematically showing the configuration of an embodiment of an automatic voltage regulating device according to the present invention.
  • the automatic voltage regulating apparatus of the present invention includes an input voltage adjusting transformer 10, an output voltage adjusting transformer 20, a switch unit 30, a controller 40, a display unit 50, and the like. .
  • the input voltage regulating transformer 10 induces an AC voltage input from the outside to output a reduced or boosted voltage to the output voltage regulating transformer 20, and a plurality of tabs are provided at the output terminal so as to vary the number of turns of the coil. Accordingly, different voltages are outputted to the output voltage adjusting transformer 20.
  • the transformer 10 for input voltage control has a primary coil 12 for inducing an AC voltage input from the outside to the secondary coil 14, and one end of the primary coil 12 is directly electrically connected to a point inside. It is connected and outputs by reducing or boosting the voltage induced by the primary coil 12, and a plurality of taps are provided at the output terminal, so that different voltages are output to the voltage adjusting part 20 according to the difference in the number of windings of the coil. It consists of a secondary coil 14 to be output.
  • one end of the primary coil 12 is electrically connected directly to a point inside the secondary coil 14 (in FIG. 1, one end of the primary coil 12 is connected to the secondary coil 14).
  • the winding of the output coil is unnecessary, which should be basically used in a conventional automatic voltage regulating device is reduced, so that the equipment can be made compact.
  • the transformer used in the conventional automatic voltage regulating device is configured to induce the voltage applied from the input coil without directly connecting the output coil to the input coil electrically, so the coil winding on the output side can not be reduced as in the present invention, and thus the size is reduced. This is because there is a limit to the production.
  • the tap provided at the output end of the secondary coil 14 of the transformer 10 for input voltage regulation may include a tap (for example, the primary coil 12) for outputting a reference voltage at the center of the input end of the secondary coil 14.
  • the tap is a point at which a voltage equal to the voltage applied to the secondary coil 14 is induced, and even if the voltage applied to the primary coil 12 is an unstable voltage around 220V, the secondary coil 14 always has a voltage of 220V. Voltage is reduced or boosted in units of 1V to 2V (in this case, 1V to 2V, but not limited to this, but can be determined in various ranges according to the environment) based on the voltage induced). One is provided for each position with the number of turns possible.
  • the output voltage adjusting transformer 20 is electrically connected directly to the output terminal of the input voltage regulating transformer 10, and outputs the input voltage by reducing or boosting the voltage at the input voltage regulating transformer 10.
  • the output voltage adjusting transformer 20 is electrically connected directly to the output terminal of the input voltage adjusting transformer 10, and the tertiary coil 22 receiving the reduced or boosted voltage from the input voltage adjusting transformer 10. And a fourth coil 24 that induces a reduced or boosted voltage input to the tertiary coil 22 and outputs it to a load.
  • the output voltage regulating transformer 20 is electrically connected to the input power line, so that the input voltage regulating transformer 10, the output voltage regulating transformer 20, and the load are short regardless of the operation of the switch unit 30. Since the state is maintained, it is possible to stably supply the set voltage to the load side while preventing the temporary disconnection of power during the switching operation of the switch unit 30 provided at the output terminal of the input voltage adjusting transformer 10.
  • the switch unit 30 is composed of a number of switches corresponding to a plurality of taps provided at the output terminal of the transformer 10 for input voltage regulation, the transformer for input voltage regulation according to the switching control signal input from the controller 40 One of the plurality of taps provided in the output terminal of the unit 10 is switched so that the reduced or boosted voltage is output to the output voltage adjusting transformer 20 according to the winding ratio set in the corresponding tab.
  • the switch unit 30 is configured at the output terminal of the input voltage control transformer 10, the current flowing through the input voltage control transformer 10 is very small compared to the current flowing through the output voltage control transformer 20. Since it is possible to design, it is possible to reduce the winding of the transformer 10 for the input voltage control, thereby making it possible to manufacture a miniature automatic voltage control equipment.
  • the controller 40 generates a control signal for switching a specific switch of the switch unit 30 to supply a corresponding voltage to the load side according to the load side supply voltage setting of the user, and converts the generated switching control signal into the switch unit 30.
  • the display unit 50 displays the current input voltage, the output voltage supplied to the load side, the set voltage set by the user, the driving state of the device, and the like based on the control of the controller 40, so that the user Make it easy to check the status.
  • the automatic voltage regulating device according to the present invention can be used by extending the single-phase automatic voltage regulating device of FIG. That is, according to the user's load-side supply voltage setting, the AC voltage of each phase of R, S, and T applied from the outside is supplied to the load side constantly based on the switch control for each phase.
  • FIG. 2 is a flowchart showing in detail the operation of the automatic voltage regulating device according to the present invention.
  • the controller 40 initializes the device (S10).
  • the controller 40 determines whether the voltage output to the load side is set according to a predetermined panel manipulation provided in the automatic voltage regulating device by the user (S20).
  • the controller 40 reduces or boosts the AC voltage input from the outside to the output voltage adjusting transformer 20 according to the winding ratio and outputs the voltage to the input voltage adjusting transformer. It is checked whether any one of the plurality of taps provided at the output terminal of the unit 10 is switched (S30). That is, to check the specific switch for outputting the voltage set by the user to the output voltage adjusting transformer 20.
  • the controller 40 After checking the specific tap outputted to the output voltage adjusting transformer 20 by decompressing or boosting the voltage set by the user through the step S30, the controller 40 generates a control signal for switching the corresponding tap and generates the generated tap.
  • the switching control signal is output to the switch unit 30 so that the corresponding tap is switched (S40).
  • the voltage set by the user is reduced or increased in the input voltage regulating transformer 10 according to the switching operation of the switch unit 30.
  • the voltage is stably output to the load side through the output voltage regulating transformer 20.
  • the current flowing through the input voltage adjusting transformer 10 is relatively small compared to the current flowing through the output voltage adjusting transformer 20 (for example, about 450 A when the input power is 220 V). Since approximately 40A) flows, the voltage can be easily adjusted. Accordingly, unlike the conventional automatic voltage regulating device, it is possible to greatly reduce the winding of the transformer 10 for input voltage regulation, thereby making the equipment compact.
  • the controller 40 controls the automatic voltage regulating device to be driven in the previously set state (S50).
  • the control unit 40 may control to be driven in a basic setting state (for example, a state in which 220V input power is output to the load side) in addition to the method of controlling the automatic voltage regulating device to be driven in a previously set state. .
  • the present invention can stably output the set voltage to the load side while preventing the temporary disconnection of power during the switching operation of the input side, and unlike the conventional automatic voltage regulating device, it is possible to significantly reduce the coil winding on the input side. Therefore, since the equipment can be manufactured in a small size, it is possible to greatly increase the economic efficiency and availability, and when applied to a power production system using solar or wind with large fluctuations in the input voltage, the output voltage can be smoothed to operate the system stably. Can be.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

La présente invention concerne un régulateur de tension automatique. Le régulateur de tension automatique comprend : une unité de transformation qui est destinée à réguler une tension d'entrée, qui fournit en sortie une tension diminuée ou augmentée en induisant une tension alternative injectée de l'extérieur et qui comprend une pluralité de points de prélèvement à la sortie pour permettre de produire différentes tensions en fonction du nombre de bobines ; une unité de transformation destinée à réguler une tension de sortie, qui est connectée électriquement directement à la sortie de l'unité de transformation pour la régulation de la tension d'entrée et qui produit en sortie, sur le côté de la charge, une tension diminuée ou augmentée par l'unité de transformation pour la régulation de la tension d'entrée ; une unité de commutation qui commute l'un des points parmi la pluralité de points de prélèvement à la sortie de l'unité de transformation pour la régulation de la tension d'entrée et qui permet à la tension, qui est diminuée ou augmentée en fonction du rapport de spires d'un point de prélèvement correspondant, d'être fournie à l'unité de transformation pour la régulation de la tension de sortie ; et une unité de commande qui commande la commutation de l'unité de commutation afin de fournir de manière uniforme une tension correspondante au côté de la charge en fonction de la tension d'alimentation côté charge définie par l'utilisateur.
PCT/KR2012/010832 2011-12-13 2012-12-13 Régulateur de tension automatique WO2013089448A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0133696 2011-12-13
KR1020110133696A KR20130066923A (ko) 2011-12-13 2011-12-13 자동 전압 조절 장치

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WO2013089448A1 true WO2013089448A1 (fr) 2013-06-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383538A (zh) * 2016-08-18 2017-02-08 曙光节能技术（北京）股份有限公司 大电流发生器
WO2019014682A1 (fr) * 2017-07-14 2019-01-17 Alpha Technologies Inc. Systèmes et procédés d'alimentation en courant alternatif à régulation de tension

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150109028A (ko) * 2014-03-19 2015-10-01 금종관 자동전압조절장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11134040A (ja) * 1997-10-28 1999-05-21 Nissin High Voltage Co Ltd 高電位部用電源装置
KR200240965Y1 (ko) * 1998-11-27 2001-11-22 이 규 고속스위칭소자를이용한자동전압조정기
KR20060118930A (ko) * 2005-05-18 2006-11-24 추경희 위상비교제어를 이용한 리니어 교류 전력제어장치
KR20090075927A (ko) * 2008-01-07 2009-07-13 이명환 자동전압조정기
KR20090089235A (ko) * 2008-02-18 2009-08-21 이명환 자동전압조정기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11134040A (ja) * 1997-10-28 1999-05-21 Nissin High Voltage Co Ltd 高電位部用電源装置
KR200240965Y1 (ko) * 1998-11-27 2001-11-22 이 규 고속스위칭소자를이용한자동전압조정기
KR20060118930A (ko) * 2005-05-18 2006-11-24 추경희 위상비교제어를 이용한 리니어 교류 전력제어장치
KR20090075927A (ko) * 2008-01-07 2009-07-13 이명환 자동전압조정기
KR20090089235A (ko) * 2008-02-18 2009-08-21 이명환 자동전압조정기

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383538A (zh) * 2016-08-18 2017-02-08 曙光节能技术（北京）股份有限公司 大电流发生器
WO2019014682A1 (fr) * 2017-07-14 2019-01-17 Alpha Technologies Inc. Systèmes et procédés d'alimentation en courant alternatif à régulation de tension

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