JPH0728533A - Magnetic amplification circuit device - Google Patents

Magnetic amplification circuit device

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Publication number
JPH0728533A
JPH0728533A JP5170209A JP17020993A JPH0728533A JP H0728533 A JPH0728533 A JP H0728533A JP 5170209 A JP5170209 A JP 5170209A JP 17020993 A JP17020993 A JP 17020993A JP H0728533 A JPH0728533 A JP H0728533A
Authority
JP
Japan
Prior art keywords
circuit
control
auxiliary
voltage
winding
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.)
Granted
Application number
JP5170209A
Other languages
Japanese (ja)
Other versions
JP3407291B2 (en
Inventor
Tomiji Yamada
富治 山田
Yasue Uchiyama
保栄 内山
Isami Norikoshi
勇美 乗越
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.)
MELS CORP
Original Assignee
MELS CORP
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 MELS CORP filed Critical MELS CORP
Priority to JP17020993A priority Critical patent/JP3407291B2/en
Publication of JPH0728533A publication Critical patent/JPH0728533A/en
Application granted granted Critical
Publication of JP3407291B2 publication Critical patent/JP3407291B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To provide the magnetic amplification circuit device where a voltage control circuit can be standardized and the increase of the number of parts and the enlargement of device size are avoided. CONSTITUTION:In a magnetic amplification circuit device 1 having a main circuit 5 where the voltage from an output winding 2a of a main transformer T is converted to a DC voltage by a rectifier while being subjected to phase control by a magnetic amplifier 3a and is smoothed by a smoothing circuit using a smoothing reactor 4 to obtain a desired output voltage, an auxiliary output winding 2a provided in the main transformer T, a control winding 6a provided in the magnetic amplifier 3a, an auxiliary rectifier connected to the control winding 6a, and a detection winding 4a provided in the smoothing reactor 4 constitute an auxiliary circuit 7 which obtains an auxiliary output voltage proportional to the output voltage of the main circuit 5, and a voltage control circuit 8 is provided which sends a control signal to the control winding 6a based on the auxiliary output voltage to control the output voltage of the main circuit 5. By operations of the auxiliary circuit 7 and the voltage control circuit 8, it is unnecessary to change the voltage control circuit 8 even at the time of the rating change of the main circuit 5, and the increase of the number of parts and the enlargement of device size are avoided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、磁気増幅回路装置に関
し、より詳しくは、例えば電気自動車の充電装置として
好適な磁気増幅回路装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic amplifier circuit device, and more particularly to a magnetic amplifier circuit device suitable as a charging device for an electric vehicle.

【0002】[0002]

【従来の技術】この種の磁気増幅回路装置の従来例を図
3を参照して説明する。
2. Description of the Related Art A conventional example of this type of magnetic amplifier circuit device will be described with reference to FIG.

【0003】同図に示す磁気増幅回路装置30は、主ト
ランスT1 のセンタータップ式の出力巻線31に接続し
た一対の磁気増幅器32a,32bと、各磁気増幅器3
2a,32bの出力側に接続した一対の整流用のダイオ
ードD11,D12と、このダイオードD11,D12のカソー
ドと主トランスT1 のセンタータップとの間に接続した
環流ダイオードD13と、前記ダイオードD11,D12のカ
ソードに接続した平滑リアクトル33及び平滑リアクト
ル33の出力側と主トランスT1 のセンタータップとの
間に接続した平滑コンデンサC11からなる平滑回路とに
より主回路を構成するとともに、この主回路の出力電圧
0 を検出し前記一対の磁気増幅器32a,32bに制
御信号を送り出力電圧V0 の電圧制御を行う電圧制御回
路34を具備している。
A magnetic amplifier circuit device 30 shown in FIG. 1 includes a pair of magnetic amplifiers 32a and 32b connected to a center tap type output winding 31 of a main transformer T1 and each magnetic amplifier 3.
A pair of rectifying diodes D11, D12 connected to the output side of 2a, 32b, a free-wheeling diode D13 connected between the cathode of the diodes D11, D12 and the center tap of the main transformer T1, and the diodes D11, D12. The main circuit is composed of a smoothing reactor 33 connected to the cathode of and a smoothing circuit composed of a smoothing capacitor C11 connected between the output side of the smoothing reactor 33 and the center tap of the main transformer T1 and the output voltage of this main circuit. A voltage control circuit 34 for detecting V 0 and sending a control signal to the pair of magnetic amplifiers 32a and 32b to control the output voltage V 0 is provided.

【0004】電圧制御回路34は、出力電圧V0 を検出
する検出抵抗R11と、比較増幅回路35と、この比較増
幅回路35の出力信号によりオン、オフ制御される制御
トランジスタTR11と、制御抵抗R12と、制御ダイオー
ドD14,D15とを具備している。
The voltage control circuit 34 includes a detection resistor R11 for detecting the output voltage V 0 , a comparison amplification circuit 35, a control transistor TR11 which is on / off controlled by an output signal of the comparison amplification circuit 35, and a control resistance R12. And control diodes D14 and D15.

【0005】この磁気増幅回路装置30によれば、主ト
ランスT1 の出力巻線31からの電圧を磁気増幅器32
a,32bによる位相制御を行いつつダイオードD11,
D12により直流電圧に変換し、平滑リアクトル34を用
いた平滑回路により平滑して所望の出力電圧V0 を得る
ことができる。
According to this magnetic amplification circuit device 30, the voltage from the output winding 31 of the main transformer T1 is applied to the magnetic amplifier 32.
While performing the phase control by a and 32b, the diode D11,
A desired output voltage V 0 can be obtained by converting to a DC voltage by D12 and smoothing by a smoothing circuit using the smoothing reactor 34.

【0006】[0006]

【発明が解決しようとする課題】しかしながら、前記磁
気増幅回路装置30において、前記主回路の出力電圧V
0 を高くしようとして主トランスT1 、一対の磁気増幅
器32a,32b、ダイオードD11,D12、環流ダイオ
ードD13、平滑リアクトル34、平滑コンデンサC11の
定格を大きくすると、前記電圧制御回路34の制御ダイ
オードD14,D15の逆方向耐圧電圧が通常400V程度
が限界であるため、出力電圧V0 を高めた主回路に対応
する電圧制御回路34を構成できなくなるという問題が
ある。
However, in the magnetic amplifier circuit device 30, the output voltage V of the main circuit is
When the ratings of the main transformer T1, the pair of magnetic amplifiers 32a and 32b, the diodes D11 and D12, the freewheeling diode D13, the smoothing reactor 34, and the smoothing capacitor C11 are increased to increase 0, the control diodes D14 and D15 of the voltage control circuit 34 are increased. Since the reverse withstand voltage is normally limited to about 400 V, there is a problem that the voltage control circuit 34 corresponding to the main circuit having the increased output voltage V 0 cannot be configured.

【0007】上述した磁気増幅回路装置30を複数段に
亘って構成し、各磁気増幅回路装置30の出力電圧V0
を直列的に重畳して総合した出力電圧V0 を高くするこ
とも考えられるが、この場合には、同一構成の磁気増幅
回路装置30が複数段必要となり、部品点数の増加,装
置の大型化を招くという問題がある。
The above-described magnetic amplifier circuit device 30 is constructed in a plurality of stages, and the output voltage V 0 of each magnetic amplifier circuit device 30 is increased.
It is also conceivable to superimpose the above in series to increase the total output voltage V 0 , but in this case, a plurality of stages of magnetic amplification circuit devices 30 having the same configuration are required, resulting in an increase in the number of parts and an increase in size of the device. There is a problem of inviting.

【0008】そこで、本発明は、構成を改良し、主回路
の定格変更に際しても電圧制御回路を変更する必要がな
く、しかも部品点数の増加や装置の大型化を回避できる
磁気増幅回路装置を提供するとを目的とするものであ
る。
Therefore, the present invention provides a magnetic amplifier circuit device having an improved structure, which eliminates the need to change the voltage control circuit even when the rating of the main circuit is changed, and avoids an increase in the number of parts and an increase in size of the device. The purpose is then.

【0009】[0009]

【課題を解決するための手段】本発明は、主トランスの
出力巻線からの電圧を磁気増幅器による位相制御を行い
つつ整流器により直流電圧に変換し、平滑リアクトルを
用いた平滑回路により平滑して所望の出力電圧を得る主
回路を有する磁気増幅回路装置において、前記主トラン
スに設けた補助出力巻線と、前記磁気増幅器に設けた制
御巻線と、この制御巻線に接続した補助整流器と、前記
平滑リアクトルに設けた検出巻線とにより前記主回路の
出力電圧に比例した補助出力電圧を得る補助回路を構成
するとともに、この補助回路からの補助出力電圧を基に
前記磁気増幅器に設けた制御巻線に制御信号を送り前記
主回路の出力電圧を制御する電圧制御回路を設けたもの
である。
According to the present invention, a voltage from an output winding of a main transformer is converted into a DC voltage by a rectifier while performing phase control by a magnetic amplifier and smoothed by a smoothing circuit using a smoothing reactor. In a magnetic amplification circuit device having a main circuit for obtaining a desired output voltage, an auxiliary output winding provided in the main transformer, a control winding provided in the magnetic amplifier, and an auxiliary rectifier connected to the control winding, An auxiliary circuit that obtains an auxiliary output voltage proportional to the output voltage of the main circuit is configured by the detection winding provided in the smoothing reactor, and the control provided in the magnetic amplifier based on the auxiliary output voltage from the auxiliary circuit. A voltage control circuit for sending a control signal to the winding to control the output voltage of the main circuit is provided.

【0010】[0010]

【作用】上述した構成の磁気増幅回路装置は、主トラン
スに設けた補助出力巻線と、前記磁気増幅器に設けた制
御巻線と、この制御巻線に接続した補助整流器と、前記
平滑リアクトルに設けた検出巻線とにより前記主回路の
出力電圧に比例した補助出力電圧を得る前記主回路から
電気的に絶縁された補助回路を構成し、この補助回路か
らの補助出力電圧を基に前記磁気増幅器に設けた制御巻
線に制御信号を送り前記主回路の出力電圧を制御する電
圧制御回路を設けたものである。
In the magnetic amplifier circuit device having the above-described structure, the auxiliary output winding provided in the main transformer, the control winding provided in the magnetic amplifier, the auxiliary rectifier connected to the control winding, and the smoothing reactor are provided. An auxiliary circuit that is electrically isolated from the main circuit that obtains an auxiliary output voltage proportional to the output voltage of the main circuit is formed by the detection winding provided, and the magnetic field is generated based on the auxiliary output voltage from the auxiliary circuit. A voltage control circuit for controlling the output voltage of the main circuit by sending a control signal to the control winding provided in the amplifier is provided.

【0011】従って、主回路の各回路要素の定格を上げ
出力電圧を高くしようとする場合においても、電圧制御
回路自体は何等変更を要せず、これにより電圧制御回路
の標準化を図ることができる。
Therefore, even when the rating of each circuit element of the main circuit is increased and the output voltage is increased, the voltage control circuit itself does not need to be changed and standardization of the voltage control circuit can be achieved. .

【0012】また、前記補助回路は、主トランスに設け
た補助出力巻線と、前記磁気増幅器に設けた制御巻線
と、この制御巻線に接続した補助整流器と、前記平滑リ
アクトルに設けた検出巻線とを用いて構成するので、前
記主トランス、磁気増幅器、平滑リアクトルの占有スペ
ースを利用してこれらを組み込むことができ、これによ
り、部品点数の増加や装置の大型化を回避することがで
きる。
Further, the auxiliary circuit includes an auxiliary output winding provided in the main transformer, a control winding provided in the magnetic amplifier, an auxiliary rectifier connected to the control winding, and a detection provided in the smoothing reactor. Since it is configured by using the windings, these can be incorporated by utilizing the space occupied by the main transformer, the magnetic amplifier, and the smoothing reactor, thereby avoiding an increase in the number of parts and an increase in the size of the device. it can.

【0013】[0013]

【実施例】以下に、本発明の実施例を詳細に説明する。EXAMPLES Examples of the present invention will be described in detail below.

【0014】図1に示す磁気増幅回路装置1は、主トラ
ンスTのセンタータップ式の出力巻線2に接続した一対
の磁気増幅器3a,3bと、各磁気増幅器3a,3bの
出力側に接続した一対の整流用のダイオードD1 ,D2
と、このダイオードD1 ,D2 のカソードと主トランス
Tのセンタータップとの間に接続した環流ダイオードD
3 と、前記ダイオードD1 ,D2 のカソードに接続した
平滑リアクトル4及び平滑リアクトル4の出力側と主ト
ランスTのセンタータップとの間に接続した平滑コンデ
ンサC1 からなる平滑回路とにより主回路5を構成して
いる。
The magnetic amplifier circuit device 1 shown in FIG. 1 is connected to a pair of magnetic amplifiers 3a and 3b connected to a center tap type output winding 2 of a main transformer T and to the output side of each magnetic amplifier 3a and 3b. A pair of rectifying diodes D1 and D2
And a freewheeling diode D connected between the cathodes of the diodes D1 and D2 and the center tap of the main transformer T.
3 and a smoothing circuit comprising a smoothing reactor 4 connected to the cathodes of the diodes D1 and D2 and a smoothing capacitor C1 connected between the output side of the smoothing reactor 4 and the center tap of the main transformer T. is doing.

【0015】また、磁気増幅回路装置1は、前記主トラ
ンスTに設けた補助出力巻線2aと、前記磁気増幅器3
a,3bに各々設けた制御巻線6a,6bと、この制御
巻線6a,6bに接続した補助整流器としてのダイオー
ドD5 ,D6 と、ダイオードD5 ,D6 のカソードと主
トランスTの補助出力巻線2aのセンタータップとの間
に接続した環流ダイオードD7 と、前記平滑リアクトル
4に設けた検出巻線4aと、この検出巻線4aの出力側
と補助出力巻線2aのセンタータップとの間に接続した
補助平滑コンデンサC2 とにより前記主回路5の出力電
圧V0 に比例した補助出力電圧V′0 を得る前記主回路
5とは電気的に絶縁された補助回路7と、この補助回路
7の補助出力電圧V′0 を検出し、前記一対の磁気増幅
器3a,3bに設けた制御巻線6a,6bに制御信号を
送り出力電圧V0 の電圧制御を行う電圧制御回路8とを
具備している。
Further, the magnetic amplification circuit device 1 includes an auxiliary output winding 2a provided in the main transformer T and the magnetic amplifier 3.
Control windings 6a and 6b respectively provided on a and 3b, diodes D5 and D6 as auxiliary rectifiers connected to the control windings 6a and 6b, cathodes of the diodes D5 and D6 and auxiliary output windings of the main transformer T. A freewheeling diode D7 connected to the center tap of 2a, a detection winding 4a provided in the smoothing reactor 4, and a connection between the output side of the detection winding 4a and the center tap of the auxiliary output winding 2a. an output voltage auxiliary circuit 7 which is electrically insulated from said main circuit 5 to obtain an auxiliary output voltage V '0 proportional to V 0 which the main circuit 5 by the auxiliary smoothing capacitor C2 that, assistance of the auxiliary circuit 7 It detects the output voltage V '0, which comprises the pair of magnetic amplifier 3a, the control winding 6a provided in the 3b, and a voltage control circuit 8 which controls the voltage of the output voltage V 0 sends a control signal to 6b .

【0016】電圧制御回路8は、補助回路7の補助出力
電圧V′0 を検出する検出可変抵抗R1 と、比較増幅回
路35と、この比較増幅回路35の出力信号によりオ
ン,オフ制御される制御トランジスタTR11と、制御抵
抗R12と、前記制御巻線6a,6bに接続した制御ダイ
オードD14,D15とを具備している。
The voltage control circuit 8, a detecting variable resistor R1 for detecting an auxiliary output voltage V '0 of the auxiliary circuit 7, a comparison amplifier 35, on the output signal of the comparator amplifier 35, controlled to be off control It has a transistor TR11, a control resistor R12, and control diodes D14 and D15 connected to the control windings 6a and 6b.

【0017】この磁気増幅回路装置1によれば、主トラ
ンスTの出力巻線2からの電圧を磁気増幅器3a,3b
による位相制御を行いつつダイオードD1 ,D2 により
直流電圧に変換し、平滑リアクトル4を用いた平滑回路
により平滑して所望の出力電圧V0 を得ることができ
る。
According to this magnetic amplification circuit device 1, the voltage from the output winding 2 of the main transformer T is applied to the magnetic amplifiers 3a and 3b.
It is possible to obtain a desired output voltage V 0 by converting the voltage into a DC voltage by the diodes D1 and D2 while smoothing the phase control by the smoothing and smoothing it by the smoothing circuit using the smoothing reactor 4.

【0018】また、前記補助出力巻線2a、磁気増幅器
3a,3bに設けた制御巻線6a,6b、ダイオードD
5 ,D6 、環流ダイオードD7 、平滑リアクトル4に設
けた検出巻線4a及び補助平滑コンデンサC2 からなる
補助回路7により前記主回路5の出力電圧V0 に比例し
た補助出力電圧V′0 を得て、電圧制御回路8の検出可
変抵抗R1 により補助出力電圧V′0 を検出し、比較増
幅回路35、制御トランジスタTR11、制御抵抗R12、
制御ダイオードD14,D15を経て前記制御巻線6a,6
bのアンペアターンを制御し、これにより磁気増幅器3
a,3bの位相制御のタイミングを調整するようにした
ものである。
The auxiliary output winding 2a, the control windings 6a and 6b provided on the magnetic amplifiers 3a and 3b, and the diode D
5, D6, wheeling diode D7, to obtain the auxiliary output voltage V '0 proportional to the output voltage V 0 which the main circuit 5 by the detection winding 4a and the auxiliary circuit 7 consisting of the auxiliary smoothing capacitor C2 is provided in the smoothing reactor 4 detects the auxiliary output voltage V '0 by detecting the variable resistor R1 of the voltage control circuit 8, comparison amplification circuit 35, the control transistor TR11, control resistor R12,
The control windings 6a, 6 via the control diodes D14, D15
It controls the ampere-turn of b, which causes the magnetic amplifier 3
The timing of phase control of a and 3b is adjusted.

【0019】従って、主回路5の各回路要素の定格を上
げ出力電圧を高くしようとする場合においても、補助回
路7の各回路要素は従前のままでよく、電圧制御回路8
自体の制御ダイオードD14,D15等も何等変更を要せ
ず、これにより電圧制御回路8の標準化を図ることがで
きる。
Therefore, even when the rating of each circuit element of the main circuit 5 is increased and the output voltage is increased, each circuit element of the auxiliary circuit 7 may be the same as before, and the voltage control circuit 8 may be used.
The control diodes D14, D15, etc. of their own do not need to be changed at all, so that the voltage control circuit 8 can be standardized.

【0020】また、前記補助回路7は、上述したように
主トランスTに設けた補助出力巻線2aと、前記磁気増
幅器3a,3bに設けた制御巻線6a,6bと、この制
御巻線6a,6bに接続したダイオードD5 ,D6 と、
前記平滑リアクトル4に設けた検出巻線4aとを用いて
構成するので、前記主トランスT、磁気増幅器3a,3
b、平滑リアクトル4の占有スペースを利用してこれら
を組み込むことができ、これにより、部品点数の増加や
装置の大型化を回避することができる。
The auxiliary circuit 7 includes the auxiliary output winding 2a provided on the main transformer T, the control windings 6a and 6b provided on the magnetic amplifiers 3a and 3b, and the control winding 6a, as described above. , 6b connected to diodes D5 and D6,
Since it is configured by using the detection winding 4a provided in the smoothing reactor 4, the main transformer T, the magnetic amplifiers 3a, 3
b, they can be incorporated by utilizing the space occupied by the smoothing reactor 4, and thus an increase in the number of parts and an increase in size of the device can be avoided.

【0021】次に、図2を参照して本発明の他の実施例
を説明する。
Next, another embodiment of the present invention will be described with reference to FIG.

【0022】同図に示す磁気増幅回路装置1Aにおい
て、図1に示す磁気増幅回路装置1と同一の機能を有す
るものには同一の符号を付して示す。
In the magnetic amplifier circuit device 1A shown in the figure, those having the same functions as those of the magnetic amplifier circuit device 1 shown in FIG. 1 are designated by the same reference numerals.

【0023】図2に示す磁気増幅回路装置1Aは、主ト
ランスTの2端子の出力巻線12に接続した一対の磁気
増幅器3a,3bと、各磁気増幅器3a,3bの出力側
にブリッジ接続した一対の整流用のダイオードD1 ,D
2 及び環流ダイオードD3 ,D4 と、前記ダイオードD
1 のカソード側及びダイオードD2 のアノード側に各々
接続した一対の平滑リアクトル4,4及びこの平滑リア
クトル4,4の出力側に接続した平滑コンデンサC1 か
らなる平滑回路とにより主回路5Aを構成している。
The magnetic amplifier circuit device 1A shown in FIG. 2 is bridge-connected to the pair of magnetic amplifiers 3a and 3b connected to the output winding 12 of the two terminals of the main transformer T and the output side of each magnetic amplifier 3a and 3b. A pair of rectifying diodes D1 and D
2 and the free wheeling diodes D3 and D4, and the diode D
A main circuit 5A is constituted by a smoothing circuit composed of a pair of smoothing reactors 4 and 4 connected to the cathode side of 1 and the anode side of the diode D2, and a smoothing capacitor C1 connected to the output side of the smoothing reactors 4 and 4, respectively. There is.

【0024】また、磁気増幅回路装置1Aの補助回路7
Aを、主回路5Aに対応して前記主トランスTに設けた
補助出力巻線2aと、前記磁気増幅器3a,3bに各々
設けた制御巻線6a,6bと、この制御巻線6a,6b
に接続した補助整流器としてのダイオードD5 ,D6
と、ダイオードD5 ,D6 の各カソードに直列接続した
前記各前記平滑リアクトル4,4に設けた検出巻線4
a,4aと、この検出巻線4aの出力側と補助出力巻線
2aのセンタータップとの間に接続した補助平滑コンデ
ンサC2 とにより構成し、前記主回路5とは電気的に絶
縁した状態で前記主回路5Aの出力電圧V0 に比例した
補助出力電圧V′0 を得るようにしている。
The auxiliary circuit 7 of the magnetic amplifier circuit device 1A
A is the auxiliary output winding 2a provided in the main transformer T corresponding to the main circuit 5A, the control windings 6a and 6b provided in the magnetic amplifiers 3a and 3b, and the control windings 6a and 6b.
Diodes D5 and D6 as auxiliary rectifiers connected to
And a detection winding 4 provided on each of the smoothing reactors 4 and 4 connected in series to each cathode of the diodes D5 and D6.
a and 4a, and an auxiliary smoothing capacitor C2 connected between the output side of the detection winding 4a and the center tap of the auxiliary output winding 2a. The auxiliary smoothing capacitor C2 is electrically insulated from the main circuit 5. so as to obtain the auxiliary output voltage V '0 proportional to the output voltage V 0 which the main circuit 5A.

【0025】さらに、前記磁気増幅回路装置1Aの電圧
制御回路8Aは、前記補助回路7Aの補助出力電圧V′
0 を検出する検出可変抵抗R1 と、比較増幅回路35と
により構成し、前記制御巻線6a,6bに制御信号を送
るようになっている。
Further, the voltage control circuit 8A of the magnetic amplifier circuit device 1A has the auxiliary output voltage V'of the auxiliary circuit 7A.
It is composed of a detection variable resistor R1 for detecting 0 and a comparison and amplification circuit 35, and sends a control signal to the control windings 6a and 6b.

【0026】このような構成の磁気増幅回路装置1Aに
よっても、前記磁気増幅回路装置1と同様な作用を発揮
させることができるとともに、主回路5Aをブリッジ接
続の構成としたので、磁気増幅回路装置1よりもより高
い電圧の出力電圧を得る場合に対処可能である。
The magnetic amplifier circuit device 1A having such a structure can also exhibit the same operation as the magnetic amplifier circuit device 1 and the main circuit 5A has a bridge connection structure. It is possible to deal with the case where an output voltage higher than 1 is obtained.

【0027】本発明は、上述した実施例に限定されるも
のではなく、その要旨の範囲内で種々の変形が可能であ
る。
The present invention is not limited to the above-described embodiments, but various modifications can be made within the scope of the gist thereof.

【0028】[0028]

【発明の効果】以上詳述した本発明によれば、上述した
ような補助回路及び電圧制御回路を設けたので、主回路
の定格変更に際しても電圧制御回路を変更する必要がな
く、しかも部品点数の増加や装置の大型化を回避できる
磁気増幅回路装置を提供することができる。
According to the present invention described in detail above, since the auxiliary circuit and the voltage control circuit as described above are provided, it is not necessary to change the voltage control circuit even when the rating of the main circuit is changed, and the number of parts is increased. It is possible to provide a magnetic amplification circuit device that can avoid an increase in the number of devices and an increase in the size of the device.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の実施例装置を示す回路図FIG. 1 is a circuit diagram showing an apparatus according to an embodiment of the present invention.

【図2】本発明の他の実施例装置を示す回路図FIG. 2 is a circuit diagram showing a device according to another embodiment of the present invention.

【図3】従来装置を示す回路図FIG. 3 is a circuit diagram showing a conventional device.

【符号の説明】[Explanation of symbols]

1,1A 磁気増幅回路装置 2 出力巻線 2a 補助出力巻線 3a,3b 磁気増幅器 4 平滑リアクトル 4a 検出巻線 5 主回路 6a,6b 制御巻線 7 補助回路 8 電圧制御回路 T 主トランス 1, 1A Magnetic amplification circuit device 2 Output winding 2a Auxiliary output winding 3a, 3b Magnetic amplifier 4 Smoothing reactor 4a Detection winding 5 Main circuit 6a, 6b Control winding 7 Auxiliary circuit 8 Voltage control circuit T Main transformer

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 主トランスの出力巻線からの電圧を磁気
増幅器による位相制御を行いつつ整流器により直流電圧
に変換し、平滑リアクトルを用いた平滑回路により平滑
して所望の出力電圧を得る主回路を有する磁気増幅回路
装置において、前記主トランスに設けた補助出力巻線
と、前記磁気増幅器に設けた制御巻線と、この制御巻線
に接続した補助整流器と、前記平滑リアクトルに設けた
検出巻線とにより前記主回路の出力電圧に比例した補助
出力電圧を得る補助回路を構成するとともに、この補助
回路からの補助出力電圧を基に前記磁気増幅器に設けた
制御巻線に制御信号を送り前記主回路の出力電圧を制御
する電圧制御回路を設けたことを特徴とする磁気増幅回
路装置。
1. A main circuit for obtaining a desired output voltage by converting a voltage from an output winding of a main transformer into a DC voltage by a rectifier while controlling a phase by a magnetic amplifier and smoothing the voltage by a smoothing circuit using a smoothing reactor. In a magnetic amplification circuit device having: an auxiliary output winding provided in the main transformer, a control winding provided in the magnetic amplifier, an auxiliary rectifier connected to the control winding, and a detection winding provided in the smoothing reactor. And an auxiliary circuit that obtains an auxiliary output voltage proportional to the output voltage of the main circuit, and sends a control signal to a control winding provided in the magnetic amplifier based on the auxiliary output voltage from the auxiliary circuit. A magnetic amplifier circuit device comprising a voltage control circuit for controlling an output voltage of a main circuit.
JP17020993A 1993-07-09 1993-07-09 Magnetic amplification circuit device Expired - Lifetime JP3407291B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17020993A JP3407291B2 (en) 1993-07-09 1993-07-09 Magnetic amplification circuit device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17020993A JP3407291B2 (en) 1993-07-09 1993-07-09 Magnetic amplification circuit device

Publications (2)

Publication Number Publication Date
JPH0728533A true JPH0728533A (en) 1995-01-31
JP3407291B2 JP3407291B2 (en) 2003-05-19

Family

ID=15900695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17020993A Expired - Lifetime JP3407291B2 (en) 1993-07-09 1993-07-09 Magnetic amplification circuit device

Country Status (1)

Country Link
JP (1) JP3407291B2 (en)

Also Published As

Publication number Publication date
JP3407291B2 (en) 2003-05-19

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