WO2016039502A1 - Circuit de détection et de régulation de tension - Google Patents

Circuit de détection et de régulation de tension Download PDF

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Publication number
WO2016039502A1
WO2016039502A1 PCT/KR2014/010045 KR2014010045W WO2016039502A1 WO 2016039502 A1 WO2016039502 A1 WO 2016039502A1 KR 2014010045 W KR2014010045 W KR 2014010045W WO 2016039502 A1 WO2016039502 A1 WO 2016039502A1
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WO
WIPO (PCT)
Prior art keywords
voltage
output
control circuit
sensing
transformer
Prior art date
Application number
PCT/KR2014/010045
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English (en)
Korean (ko)
Inventor
류홍제
장성록
김형석
Original Assignee
한국전기연구원
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 한국전기연구원 filed Critical 한국전기연구원
Publication of WO2016039502A1 publication Critical patent/WO2016039502A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16523—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using diodes, e.g. Zener diodes
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/08—Arrangements for preventing voltage drop due to overloading the power supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/1216—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for AC-AC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/043—Conversion of ac power input into dc power output without possibility of reversal by static converters using transformers or inductors only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/12—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using diode rectifiers

Definitions

  • the present invention relates to a voltage sensing and control circuit, and more particularly, to a circuit for controlling the output voltage of an inverter in a power supply consisting of an inverter, a transformer and a rectifier diode.
  • high voltage power supplies are used for the operation of devices (loads) that require high voltage, such as test equipment such as vacuum devices such as Gyrotron or plasma generators.
  • test equipment such as vacuum devices such as Gyrotron or plasma generators.
  • an AC voltage output from a secondary winding voltage of a transformer of a high voltage power supply device is changed to a DC voltage using a rectifier diode, By comparing the DC voltage applied to each capacitor with the reference voltage, a control circuit for outputting a control signal for increasing the output voltage of the inverter when the magnitude of the DC voltage is lower than the reference voltage is configured.
  • the highest voltage is output to the capacitor located at the top of the high voltage power supply, and the minimum voltage is output to the capacitor located at the bottom, so that the voltage sensing and control circuit is connected to the top capacitor.
  • a high voltage is applied to the voltage sensing and control circuit, and there is a risk that the device is destroyed.
  • the voltage sensing and control circuit in the power supply apparatus aims to prevent a high voltage from being applied to the voltage sensing and control circuit and to configure the voltage sensing and control circuit without a position limitation.
  • the voltage sensing and control circuit in the power supply apparatus according to an embodiment of the present invention, an object of the pulse power supply to easily change the polarity of the pulse without the risk of voltage sensing and control circuit element destruction.
  • Voltage sensing and control circuit connected to a power supply device consisting of an inverter, a transformer and a rectifying diode according to an embodiment of the present invention
  • a voltage measuring unit for changing an AC voltage into a DC voltage; And an output voltage controller connected to the voltage measuring unit to compare the DC voltage applied from the voltage measuring unit with a reference voltage, and to control the output of the inverter based on the comparison result.
  • the voltage measuring unit is connected to the primary winding or the secondary winding, the sensor transformer for transforming the first AC voltage into the second AC voltage; And a rectifier for changing the second AC voltage to the DC voltage.
  • the voltage measuring unit may include an amplifier amplifying the DC voltage applied from the rectifier and applying the amplified voltage to the output voltage controller.
  • the amplifier may be a differential amplifier for differentially amplifying the DC voltage applied from the rectifier and applying the differential voltage to the output voltage controller.
  • the voltage measuring unit may further include a voltage sensing element configured to sense a DC voltage output from the rectifier.
  • the sensor transformer may be an isolation transformer.
  • the voltage sensing element may be composed of a resistor and a capacitor.
  • the output voltage controller may output a control signal for increasing the output of the inverter when the output voltage is smaller than the reference voltage by comparing the output voltage obtained through the voltage measuring unit with the reference voltage.
  • the output voltage controller may output a control signal for reducing the output of the inverter when the output voltage is greater than the reference voltage by comparing the output voltage obtained through the voltage measuring unit with the reference voltage.
  • the power supply device may be a pulsed power supply device that outputs a pulse signal to a load by connecting a semiconductor switch to an output terminal circuit.
  • the power supply may be a power supply including a circuit for applying a voltage with the output separated from ground.
  • the voltage sensing and control circuit may include a second sensor transformer connected to a first AC voltage terminal of the transformer to convert the first AC voltage into a third AC voltage; A second rectifier for converting the transformed third AC voltage into a second DC voltage; And a comparator configured to control the output of the inverter by comparing the changed second DC voltage with a second reference voltage.
  • the comparator may output a control signal to stop the inverter when a difference between the changed second DC voltage and the second reference voltage is greater than or equal to a predetermined range.
  • the voltage sensing and control circuit in the power supply apparatus may prevent high voltage from being applied to the voltage sensing and control circuit, and may configure the voltage sensing and control circuit without a position limitation.
  • the voltage sensing and control circuit in the power supply apparatus can easily change the polarity of the pulse without the risk of breaking the voltage sensing and control circuit elements in the pulse power supply.
  • FIG. 1 is a configuration diagram showing a voltage sensing and control circuit in a conventional high voltage power supply device.
  • FIG. 2 is a circuit diagram illustrating a voltage sensing and control circuit in a power supply apparatus according to an embodiment of the present invention.
  • FIG. 3 is a block diagram illustrating a voltage sensing and control circuit in a power supply apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram illustrating a voltage sensing and control circuit in a pulse power supply according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a voltage sensing and control circuit in a heater power supply (HPS) of a vacuum equipment according to an embodiment of the present invention.
  • HPS heater power supply
  • the present invention can be applied to a general power supply device, in particular, a high voltage power supply device that is a high voltage power supply device, a HPS (Heater Power System) of a vacuum equipment, and the like, and relates to a circuit for controlling an inverter output of a corresponding device.
  • a general power supply device in particular, a high voltage power supply device that is a high voltage power supply device, a HPS (Heater Power System) of a vacuum equipment, and the like, and relates to a circuit for controlling an inverter output of a corresponding device.
  • a conventional power supply voltage sensing and control circuit has a voltage divider 50 when the output of the inverter 10 is applied to the capacitor 40 via the respective transformer 20 and the rectifier 30. obtains the voltage sensing element 60, the voltage applied to the capacitor 40 through a differential amplifier 70 and the like, or values V real amplified him to scale, and compared with the reference voltage V ref, V real this If less than V ref , a control signal for increasing the output of the inverter 10 is output.
  • the voltage of the maximum value is output to the capacitor 40 located at the top of the power supply, and the voltage of the minimum value is output to the capacitor 40 located at the bottom thereof.
  • a high voltage is applied to the voltage sensing and control circuit there is a risk that the device is destroyed.
  • the voltage sensing and control circuit 200 may include a voltage measuring unit 300 and an output voltage control unit 400.
  • the voltage measuring unit 300 obtains V real through a connection with the primary winding 21 or the secondary winding 22 of the transformer 20 in the power supply device, transfers it to the output voltage controller 400, and outputs the output voltage.
  • the controller 400 compares the received V real with a reference voltage V ref and controls the inverter output according to the result.
  • the voltage measuring unit 300 includes a sensor transformer 310 and a rectifier 320 connected in parallel with the primary winding 21 or the secondary winding 22 of the transformer 20.
  • the voltage sensing device 60 and the differential amplifier 70 may be configured.
  • the first alternating voltage of the corresponding winding side connected by the sensor transformer 310 connected in parallel with the primary winding 21 or the secondary winding 22 is transformed into a second alternating voltage in proportion to the number of turns of the sensor transformer 310.
  • the second AC voltage is changed into a DC voltage through the rectifier 320.
  • the high voltage applied to the primary side winding 21 or the secondary side winding 22 of the transformer 20 may be reduced through the AC voltage conversion process through the sensor transformer 310, and the DC voltage through the rectifier 320 may be reduced. By changing, we can get V real more stably and compare it with V ref .
  • the DC voltage thus changed may be directly input to the output voltage controller 400 as V real, and may be changed to a value through the voltage sensing device 60, the differential amplifier 70, or the like, and input to the output voltage controller 400. May be
  • the differential amplifier 70 When the differential amplifier 70 is connected, the DC voltage is amplified by the differential amplifier 70 at a predetermined ratio and then input to V real in the output voltage controller 400.
  • the DC voltage is amplified by a predetermined ratio through the voltage sensing device 60 and the differential amplifier 70 and is then V to the output voltage controller 400. It is entered as real .
  • the output voltage controller 400 compares V ref with a magnitude of V real based on the input V real , and outputs a control signal for increasing the output of the inverter 10 when V real is smaller than V ref .
  • V real is greater than V ref
  • a control signal for reducing the output of the inverter 10 is output.
  • V ref may be set to a predetermined value by the user according to the configuration of the voltage sensing and control circuit 200.
  • the sensor transformer 310, the rectifier 320, the voltage sensing element 60, and the differential amplifier 70 connected in parallel with the secondary winding 22 of the transformer 20 as the voltage sensing and control circuit 200.
  • differential amplifier may be replaced by another type of amplifier.
  • the differential amplifier has an output when one end of the secondary winding of the sensor transformer 310 is positive voltage and an output when the other end of the secondary winding of the sensor transformer is positive voltage passes through the rectifier to provide a positive terminal of the amplifier. And a V real value obtained by differentially amplifying each of the input DC voltages when respectively input to the terminals.
  • the sensor transformer 310 may be composed of an isolation transformer, and the voltage sensing element 60 may be composed of a resistor and a capacitor.
  • FIG. 3 is a block diagram illustrating a voltage sensing and control circuit in a power supply apparatus according to an embodiment of the present invention.
  • the voltage sensing and control circuit 200 may be used in a general power supply device.
  • the power supply device receives a voltage by the DC / AC inverter, and transforms it through each transformer 20.
  • the alternating voltage transformed in proportion to the number of turns of the transformer 20 is changed to a direct current voltage through the rectifier 30.
  • the alternating direct current voltage is applied to each capacitor 40 and applies a voltage to the load.
  • the voltage sensing and control circuit 200 is connected to the primary winding 21 or the secondary winding 22 of the transformer 20, the sensor transformer 310, the rectifier 320, An output voltage controller configured to control the inverter output by comparing the voltage realization unit 300 and the reference voltage V ref obtained through the voltage measuring unit 300 and the voltage measuring unit 300 including the voltage sensing element 60 and the differential amplifier 70. 400).
  • the sensor transformer 310 receives an AC voltage of the primary winding 21 or the secondary winding 22 of the connected transformer 20, which is proportional to the number of turns of the sensor transformer 310. Transform to AC voltage.
  • the rectifier 320 may change the second AC voltage into a DC voltage, input the same to the differential amplifier 70 through the voltage sensing device 60, and input the V real value to the output voltage controller 400.
  • the output voltage controller 400 may compare the input V real value with the set V ref value and output an inverter output control signal corresponding thereto.
  • the output voltage control section 400 is based on the V real received this input, when compared to the V ref V real is less than V ref, to output a control signal for increasing the output of the inverter 10, and When V real is greater than V ref , a control signal for reducing the output of the inverter 10 may be output.
  • FIG. 4 is a block diagram illustrating a voltage sensing and control circuit in a pulse power supply according to an embodiment of the present invention.
  • the voltage sensing and control circuit according to the exemplary embodiment of the present invention is also used in a pulse power supply device, and a high voltage is applied to the voltage sensing and control circuit according to the related art, and thus, the device may be destroyed. This risk can solve the problem that the polarity of the pulse can not be easily changed.
  • the voltage sensing and control circuit 200 in the pulsed power supply apparatus according to an embodiment of the present invention, the primary winding 21 of the transformer 20 or By using the sensor transformer 310, the rectifier 320, the voltage sensing element 60, the amplifier 330 or the differential amplifier 70 connected to the secondary winding 22, the primary winding of the transformer 20 ( 21) or V real is obtained based on the voltage applied to the secondary winding 22, and is transferred to the output voltage controller 400 so that the output voltage controller 400 compares the received V real with V ref and corresponds thereto. Inverter control signal can be output.
  • the output voltage control section 400 is based on the V real received this input, when compared to the V ref V real is less than V ref, to output a control signal for increasing the output of the inverter 10, and When V real is greater than V ref , a control signal for reducing the output of the inverter 10 may be output.
  • the voltage sensing and control circuit 200 may be applied to a power supply device that applies a voltage in a state in which the output is separated from the ground.
  • a power supply device that applies a voltage in a state in which the output is separated from the ground.
  • the apparatus may also be used in a device for a heat power supply (HPS) 120 in a general vacuum equipment.
  • HPS heat power supply
  • the voltage sensing and control circuit in the HPS device 120 in the distribution equipment is configured as described above with the primary winding 21 or the secondary winding 22 of the transformer 20 in the device.
  • the output voltage control section 400 is based on the V real received this input, when compared to the V ref V real is less than V ref, to output a control signal for increasing the output of the inverter 10, and When V real is greater than V ref , a control signal for reducing the output of the inverter 10 may be output.
  • the voltage sensing and control circuit 200 may be connected to a first AC voltage terminal of the transformer 20 in addition to the above configuration to convert the first AC voltage into a third AC voltage 410.
  • the second sensor transformer 410 may be connected to the primary winding of the sensor transformer 310 to receive a first AC voltage.
  • the comparator 450 may stop the operation of the inverter 10 by outputting a control signal to the inverter 10 to stop the inverter when the difference between the changed DC voltage and the reference voltage is greater than or equal to a predetermined range set by the user. .
  • the winding of the transformer 20 constituting the power supply device to which the sensor transformer 310 of the voltage measuring unit 300 is connected may be one of the primary winding 21 and the secondary winding 22.
  • the sensor transformer 310 of the voltage measuring unit 300 is the primary side winding 21 or the secondary side winding ( It can be connected to any of the windings 22).
  • the voltage sensing and control circuit 200 is connected to the transformer located at the bottom of the power supply, but this is an embodiment of the present invention, and the voltage sensing and control circuit 200 Can also be connected to a transformer located anywhere on the top, stop, or bottom of the power supply.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un circuit de détection et de régulation de tension connecté à une alimentation électrique constituée d'un onduleur, d'un transformateur et de diodes de redressement, le circuit de détection et de régulation de tension étant caractérisé en ce qu'il comprend : une unité de mesure de tension pour transformer la première tension alternative d'un enroulement primaire ou secondaire du transformateur en une seconde tension alternative et pour convertir ensuite la seconde tension alternative en une tension continue ; un régulateur de tension de sortie, qui est connecté à l'unité de mesure de tension, qui compare à une tension de référence la tension continue appliquée par l'unité de mesure de tension et qui régule la sortie de l'onduleur sur la base du résultat de la comparaison.
PCT/KR2014/010045 2014-09-11 2014-10-24 Circuit de détection et de régulation de tension WO2016039502A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0120069 2014-09-11
KR1020140120069A KR101768598B1 (ko) 2014-09-11 2014-09-11 전압센싱 및 제어 회로

Publications (1)

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WO2016039502A1 true WO2016039502A1 (fr) 2016-03-17

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KR (1) KR101768598B1 (fr)
WO (1) WO2016039502A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107402366A (zh) * 2017-08-13 2017-11-28 安徽君华舜义恩佳非晶材料有限公司 一种互感器伏安特性连续批量检测装置
CN108016240A (zh) * 2017-12-27 2018-05-11 荆州市楚泰新能源科技有限公司 用于新能源电动客车空调的dc-ac供电电路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220082524A (ko) 2020-12-10 2022-06-17 한국전기연구원 공진형 컨버터, 그 제어 시스템 및 제어 방법, 및 상기 방법을 실행시키기 위한 컴퓨터 판독 가능한 프로그램을 기록한 기록 매체

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510401A (en) * 1981-09-17 1985-04-09 Etablissements-Pierre Fontaine Processes and devices for providing a load with an electric AC supply without discontinuity of the AC signal
KR19980056288A (ko) * 1996-12-28 1998-09-25 배순훈 스위칭 전원 회로의 돌입 전류 방지 장치
US5818709A (en) * 1994-11-15 1998-10-06 Minebea Co., Ltd. Inverter apparatus
JP2002136114A (ja) * 2000-10-20 2002-05-10 Fujitsu Denso Ltd 突入電流防止回路
JP2008086174A (ja) * 2006-09-29 2008-04-10 Shindengen Electric Mfg Co Ltd スイッチング電源

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002022792A (ja) * 2000-07-05 2002-01-23 Osaka Gas Co Ltd 絶縁油耐電圧試験装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510401A (en) * 1981-09-17 1985-04-09 Etablissements-Pierre Fontaine Processes and devices for providing a load with an electric AC supply without discontinuity of the AC signal
US5818709A (en) * 1994-11-15 1998-10-06 Minebea Co., Ltd. Inverter apparatus
KR19980056288A (ko) * 1996-12-28 1998-09-25 배순훈 스위칭 전원 회로의 돌입 전류 방지 장치
JP2002136114A (ja) * 2000-10-20 2002-05-10 Fujitsu Denso Ltd 突入電流防止回路
JP2008086174A (ja) * 2006-09-29 2008-04-10 Shindengen Electric Mfg Co Ltd スイッチング電源

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107402366A (zh) * 2017-08-13 2017-11-28 安徽君华舜义恩佳非晶材料有限公司 一种互感器伏安特性连续批量检测装置
CN108016240A (zh) * 2017-12-27 2018-05-11 荆州市楚泰新能源科技有限公司 用于新能源电动客车空调的dc-ac供电电路
CN108016240B (zh) * 2017-12-27 2023-07-25 荆州市楚泰新能源科技有限公司 用于新能源电动客车空调的dc-ac供电电路

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KR101768598B1 (ko) 2017-08-17
KR20160030660A (ko) 2016-03-21

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