KR100347364B1 - Device for Generating Pulse of Hogh Volt & High Current - Google Patents

Device for Generating Pulse of Hogh Volt & High Current Download PDF

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KR100347364B1
KR100347364B1 KR1019970049223A KR19970049223A KR100347364B1 KR 100347364 B1 KR100347364 B1 KR 100347364B1 KR 1019970049223 A KR1019970049223 A KR 1019970049223A KR 19970049223 A KR19970049223 A KR 19970049223A KR 100347364 B1 KR100347364 B1 KR 100347364B1
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voltage
high current
pulse
current
high voltage
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KR19990026908A (en
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김한준
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엘지산전 주식회사
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
    • 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
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Generation Of Surge Voltage And Current (AREA)

Abstract

고전압, 대전류의 펄스 발생장치에 있어서, 대전류의 펄스를 형성하는 트랜스포머부와, 상기 트랜스포머부에 병렬로 연결되어 대전류를 출력하는 모듈을 포함하여 구성된 것으로, 상기 모듈내의 스위칭소자로 일반적으로 사용되는 반도체 소자를 적용함으로써 스위칭 소자의 수명문제가 해결되고 펄스파워 영역의 상용화가 가능하다.A high voltage and high current pulse generator, comprising a transformer unit for forming a high current pulse and a module connected in parallel to the transformer unit for outputting a large current, the semiconductor generally used as a switching element in the module. Application of the device solves the life problem of the switching device and commercialization of the pulse power area is possible.

Description

고전압 대전류의 펄스 발생장치{Device for Generating Pulse of Hogh Volt & High Current}Device for Generating Pulse of Hogh Volt & High Current

본 발명은 고전압 대전류의 펄스 발생장치에 관한 것으로, 특히 고압 대전류반도체 스위칭 소자를 일반 범용 반도체 스위칭 소자를 이용하여 구현하는 장치에관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pulse generator of high voltage and high current, and more particularly, to an apparatus for implementing a high voltage large current semiconductor switching element using a general-purpose general-purpose semiconductor switching element.

일반적으로, 고전압 대전류의 펄스 발생장치에서 사용되는 에너지는 정전에너지, 자기에너지, 화학에너지 등 여러 가지 형태로 축적할 수 있는데, 콘덴서를 사용하여 정전에너지로 저장하는 방식과, 인덕터를 사용하여 자기에너지로 저장하는 방식이 널리 사용된다.In general, energy used in pulse generators of high voltage and high current can be accumulated in various forms such as electrostatic energy, magnetic energy, and chemical energy. The method of storage is widely used.

상기 콘덴서를 이용한 방식에서는 단락 스위치가 사용되고, 인덕터를 이용한 방식에서는 개방 스위치가 필요하게 되며, 대전류, 고속 등의 성능이 불가결하므로 지금까지는 갭(Gap) 스위치가 사용되어 왔다.A short switch is used in the method using the condenser, and an open switch is required in the method using the inductor, and a gap switch has been used until now because performance such as large current and high speed is indispensable.

이하, 첨부된 도면을 참조하여 종래 기술을 설명하면 다음과 같다.Hereinafter, the prior art will be described with reference to the accompanying drawings.

종래 기술에 따른 콘덴서를 이용한 방식에서는 교류 입력전압을 고압으로 승압하고, 정류하는 충전시스템(1a)과, 상기 충전시스템(1a)에서 출력된 전압을 인가받아 고압으로 충전하는 콘덴서(1b)와, 상기 콘덴서(1b)에서 출력된 전압을 부하단에 짧은 시간에 인가하는 갭(Gap) 스위치(1c)와, 상기 갭(Gap) 스위치(1c)에서 출력된 고압의 펄스를 인가받아 동작하는 부하(1d)로 구성된다.In the conventional method using a capacitor, a charging system 1a for boosting and rectifying an AC input voltage to a high voltage, a capacitor 1b for receiving a voltage output from the charging system 1a and charging at a high pressure; A load operated by applying a gap switch 1c for applying a voltage output from the condenser 1b to a load terminal in a short time and a high voltage pulse output from the gap switch 1c; 1d).

상기 충전시스템(1a)은 교류 입력전압을 변압기를 이용하여 고압으로 승압하고, 상기 승압된 전압을 정류하여 충전 목표전압(Vc)까지 콘덴서(1b)를 충전한다.The charging system 1a boosts the AC input voltage to a high voltage using a transformer, rectifies the boosted voltage to charge the capacitor 1b to the charging target voltage Vc.

상기 콘덴서(1b)에 충전된 전압은 용도에 따라 다르나 대개 수십 KV 정도이며, 이 전압은 갭(Gap) 스위치(1c)를 이용하여 부하단에 짧은 시간에 인가되어 고압의 펄스를 부하(1d)에 공급한다.The voltage charged in the condenser 1b varies depending on the application, but is usually about several tens of KV, and this voltage is applied to the load terminal in a short time by using the gap switch 1c, thereby applying a high voltage pulse to the load 1d. To feed.

이때, 상기 부하(1d)에 인가되는 전압은 수십KV, 전류는 수천A의 대전력이며, 이 대전력을 극히 짧은 시간에 스위칭 하는 것이 중요하다.At this time, the voltage applied to the load 1d is tens of KV, the current is thousands of A large power, and it is important to switch the large power in a very short time.

종래 기술에 따른 펄스 발생 장치의 스파크 갭(Spark Gap) 스위치는 전극 양단의 방전 특성을 이용한 방식으로 스위치가 될 때마다 전극 양단에 아크(Arc)가 발생한다.In the spark gap switch of the pulse generator according to the related art, an arc is generated at both ends of the electrode each time the switch is switched in a manner using a discharge characteristic at both ends of the electrode.

따라서, 이 열에 의해서 스위치 전극의 마모가 발생되고 또한, 아크(Arc)열에 의한 손실이 많아 설치 장소가 매우 제한적이고 상용화가 되지 않는 문제점이 있다.Therefore, wear of the switch electrode is caused by this heat, and there is a problem that the installation site is very limited and commercialized due to a large amount of loss due to arc heat.

본 발명은 이와 같은 문제점을 해결하기 위해 안출한 것으로, 고압 대전류 반도체 스위칭 소자를 일반 범용 반도체 스위칭 소자를 이용하여 구현함으로써 상용화가 가능하도록 하는데 그 목적이 있다.The present invention has been made to solve the above problems, and the object of the present invention is to enable commercialization by implementing a high-voltage high-current semiconductor switching device using a general-purpose general-purpose semiconductor switching device.

도 1은 종래 기술에 따른 펄스 발생장치의 구성을 나타낸 블록도1 is a block diagram showing the configuration of a pulse generator according to the prior art

도 2는 본 발명에 따른 고전압 대전류의 펄스 발생장치의 구성을 나타낸 블록도Figure 2 is a block diagram showing the configuration of a pulse generator of a high voltage high current according to the present invention

도 3은 본 발명에 따른 고전압 대전류의 펄스 발생장치의 상세회로도3 is a detailed circuit diagram of a pulse generator of a high voltage high current according to the present invention;

도 4는 본 발명에 따른 응용예를 나타낸 도면4 shows an application example according to the invention.

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

1 ∼ M : 브랜치(Branch) 10 : 부하1 to M: Branch 10: Load

11 :충전시스템 12 : 콘덴서11: charging system 12: condenser

13 : 스위치 100 ∼N : 모듈13: switch 100 to N: module

100' ∼ N' : 트랜스포머부100'- N ': transformer part

본 발명의 특징은 대전류의 펄스를 형성하는 트랜스포머부와, 상기 트랜스포머부에 병렬로 연결되어 대전류를 출력하는 모듈을 포함하여 구성됨에 있다.The present invention is characterized in that it comprises a transformer unit for forming a pulse of a large current, and a module connected in parallel to the transformer unit for outputting a large current.

이하, 첨부된 도면을 참조하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings as follows.

도 2는 본 발명에 따른 고전압 대전류의 펄스 발생장치의 구성을 나타낸 블록도이고, 도 3은 본 발명에 따른 고전압 대전류의 펄스 발생장치의 상세 회로도이고, 도 4는 본 발명에 따른 다른 응용예를 나타낸 도면이다.2 is a block diagram showing the configuration of a pulse generator of a high voltage high current according to the present invention, Figure 3 is a detailed circuit diagram of a pulse generator of a high voltage high current according to the present invention, Figure 4 is another application example according to the present invention The figure shown.

도 2에 도시된 바와 같이, 입력전압을 고압으로 승압하고 정류하는 충전시스템(11)과, 상기 충전시스템(11)에서 출력된 전압을 입력받아 고압으로 충전하는 콘덴서(12)와, 상기 콘덴서(12)에서 출력된 전압을 입력받아 스위칭하는 스위치(13)로 구성된 M개의 브랜치(Branch)(1~M)가 병렬로 연결된다.As shown in FIG. 2, a charging system 11 for boosting and rectifying an input voltage to a high voltage, a capacitor 12 for receiving a voltage output from the charging system 11 and charging it at a high pressure, and the capacitor ( M branches (1 to M) composed of switches 13 for receiving and switching the voltage output from 12 are connected in parallel.

상기 브랜치(Branch)(1~M)가 병렬로 연결된 모듈(100)과, 상기 모듈(100)에서 출력된 전압을 이용하여 구동하는 부하(10)로 구성된다.The branches 1 to M are formed of a module 100 connected in parallel, and a load 10 driven by using the voltage output from the module 100.

이와 같이 구성된 고전압 대전류의 펄스 발생장치는 갭(Gap) 스위치 대신, 범용의 콘덴서를 저압으로 충전하고, 반도체소자로 스위칭하는 여러개의 모듈(100~N) 구성하여 부하에 병렬로 연결하는 방식이다.The pulse generator of the high voltage and high current configured as described above is a method of charging a general-purpose condenser at a low voltage, instead of a gap switch, and configuring a plurality of modules 100 to N for switching to a semiconductor device and connecting them in parallel to the load.

따라서, 상기 모듈(100~N)들은 트랜스포머를 이용하여 새로운 방식으로 연결되고, 도 3를 참조하여 설명하면 다음과 같다.Therefore, the modules 100 to N are connected in a new manner using a transformer, and will be described below with reference to FIG. 3.

상기 브랜치(Branch)(1~M)가 병렬로 접속되어 하나의 모듈(100~N)을 이루고, 각 모듈(100~N)은 트랜스포머(100' ~ N')의 1차측에 직렬로 연결된다.Branches 1 to M are connected in parallel to form one module 100 to N, and each module 100 to N is connected in series to the primary side of the transformers 100 'to N'. .

상기 각각의 브랜치(Branch)(1~M)는 충전시스템(11)에의해 콘덴서에 입력전압(Vo)까지 충전하며 트랜스포머(100' ~ N')의 1차측과 직렬경로를 이룬다.Each branch 1 to M charges the capacitor to the input voltage Vo by the charging system 11 and forms a series path with the primary side of the transformer 100 'to N'.

또한, 상기 트랜스포머(100' ~ N')는 1차측, 2차측 턴수가 각각 1인 싱글 턴 트랜스포머(Single Turn Transformer)이다.In addition, the transformers 100 'to N' are single turn transformers having a primary number and a secondary number of turns.

상기 트랜스포머(100' ~ N')의 2차측은 모두 직렬로 접속한다.All secondary sides of the transformers 100 'to N' are connected in series.

이와 같이 구성된 대전압 고전류의 펄스 발생장치의 동작을 설명하면 다음과 같다.The operation of the pulse generator of the high voltage and high current configured as described above is as follows.

상기 콘덴서에 충전된 에너지는 접지를 통해 경로가 형성되고, 트랜스포머 1차측과 공진이 일어난다.The energy charged in the capacitor is routed through the ground, and resonance occurs with the transformer primary side.

또한, 모듈(100~N)에는 M개의 브랜치(Branch)가 병렬로 연결되어 있으므로, 트랜스포머(100' ~ N') 1차측에 넘어가는 전압은 Vo가 되고 전류는 Io의 M배가 된다.In addition, since M branches are connected in parallel to the modules 100 to N, the voltage passing to the primary sides of the transformers 100 'to N' becomes Vo and the current becomes M times of Io.

따라서, 부하에서 보이는 전압은 Vo의 N배가 되고, 전류는 Io의 M배가 된다.Therefore, the voltage seen at the load is N times Vo, and the current is M times Io.

즉, 대전류를 얻기 위해서 브랜치(Branch)를 병렬로 연결하여 모듈을 구성하고, 고전압을 얻기 위해 2차측을 직렬로 연결하는 것이다.In other words, in order to obtain a large current, a branch is connected in parallel to form a module, and a secondary side is connected in series to obtain a high voltage.

또한, 도 4를 참조하여 응용분야의 예를 살펴보면, 고전압, 대전류의 펄스를 표쪽한 전극에 인가하면 전극의 양단에서 플라즈마(ⓒ)가 발생한다.In addition, referring to the example of the application field with reference to FIG. 4, when a pulse of high voltage and high current is applied to the front electrode, plasma ⓒ is generated at both ends of the electrode.

상기 플라즈마(ⓒ)를 이용하여 오염물질(ⓐ)을 정화물질(ⓑ)로의 변환이 가능하다.The plasma ⓒ may be used to convert the contaminant ⓐ into the purifying material ⓑ.

본 발명은 일반적으로 사용되는 고속의 반도체 소자를 스위칭 소자에 적용하여 스위칭 소자의 수명을 연장함과 동시에 고전압 대전류의 펄스 발생장치의 효율을 향상시키며, 대기오염, 수처리 등 펄스파워 영역에도 적용이 가능함으로써 오염물질을 제거할 수 있다.The present invention extends the lifespan of switching devices by applying high speed semiconductor devices, which are generally used, to improve the efficiency of pulse generators of high voltage and high current, and can be applied to pulse power areas such as air pollution and water treatment. This can remove contaminants.

Claims (2)

고전압 대전류의 펄스 발생장치에 있어서,In the pulse generator of high voltage high current, 1차측 권선은 병렬 접속되고 2차측 권선은 직렬로 접속되어, 대전류의 펄스를 형성하는 N개의 싱글 턴 트랜스포머와,The primary windings are connected in parallel and the secondary windings are connected in series, forming N single turn transformers to form a pulse of high current, 직렬 접속된 충전용 콘덴서 및 스위칭 소자의 브랜치가 각기 M개 병렬 접속되어, 상기 N개의 싱글 턴 트랜스포머의 1차측 권선에 각기 대전류를 출력하는 N개의 모듈을 포함하여 구성된 것을 특징으로 하는 고전압 대전류의 펄스 발생장치.A high voltage high current pulse comprising N modules each connected in parallel with a branch of a charging capacitor and a switching element connected in series and outputting a large current to the primary windings of the N single-turn transformers, respectively. Generator. 제 1 항에 있어서, 상기 콘덴서는 저압으로 충전하고, 스위칭 소자는 고속의 반도체 소자의 사용함을 특징으로 하는 고전압 대전류의 펄스 발생장치.2. The pulse generator of claim 1, wherein the capacitor is charged at a low voltage and the switching element uses a high speed semiconductor element.
KR1019970049223A 1997-09-26 1997-09-26 Device for Generating Pulse of Hogh Volt & High Current Expired - Fee Related KR100347364B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02272905A (en) * 1989-04-14 1990-11-07 Toshiba Corp Pulse generation circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02272905A (en) * 1989-04-14 1990-11-07 Toshiba Corp Pulse generation circuit

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