JPS59178964A - Chopper device - Google Patents
Chopper deviceInfo
- Publication number
- JPS59178964A JPS59178964A JP5559883A JP5559883A JPS59178964A JP S59178964 A JPS59178964 A JP S59178964A JP 5559883 A JP5559883 A JP 5559883A JP 5559883 A JP5559883 A JP 5559883A JP S59178964 A JPS59178964 A JP S59178964A
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- current
- reactor
- diode
- current transformer
- 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
Links
Classifications
-
- 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
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/125—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M3/135—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、自己消弧形スイッチング素子（以下自己消
弧形素子と称す）を使用して、直流入力電力を直流出力
電力に変換するチョッパ装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a chopper device that converts DC input power into DC output power using a self-arc-extinguishing switching element (hereinafter referred to as a self-arc-extinguishing element).
従来のこの種のチョツノや装置としては第１図のものが
あった。図において、Ｐ １ ％ Ｎｌは正極、負極の
直流入力端子、Ｐ２、Ｎ２は正極、負極の直流出力端子
、１１．１７はリアクトル、１２は自己消弧形素子であ
るダートターンオフサイリスク（以下ＧＴＯと称す）、
１３はコンデンサ１４、ダイオード１５、及び抵抗１６
から成るＧＴＯ’ｉサージ電圧から保護するスナバ−回
路、１８はフライバックダイオード、１９は平滑用コン
デンサである。A conventional chotsuno or device of this type was the one shown in Figure 1. In the figure, P 1 % Nl is a positive and negative DC input terminal, P2 and N2 are positive and negative DC output terminals, 11.17 is a reactor, and 12 is a self-extinguishing element dirt turn-off switch (GTO). ),
13 is a capacitor 14, a diode 15, and a resistor 16
18 is a flyback diode, and 19 is a smoothing capacitor.
次に動作を第２図の波形図にエリ説明する。時刻ｔ１
において、ＧＴＯｌ２のダートに第２図（ａ）のよう
にオン信号が印加されると、ＧＴ０１２がターンオンロ
、第２図（ｆ）の直流入力電圧はりアクドル１１に印加
され、リアクトル１１に流れる電流は第２図（ｂ）のよ
うに増加する。このとき、ＧＴ。Next, the operation will be explained with reference to the waveform diagram in FIG. Time t1
When the ON signal is applied to the dart of GT012 as shown in FIG. 2(a), GT012 turns on, the DC input voltage as shown in FIG. 2(f) is applied to the accelerator 11, and the current flowing through the reactor 11 is It increases as shown in FIG. 2(b). At this time, GT.
１２には、リアクトル１１に流れる電流に重畳して、ス
ナバ−回路１３のコンデンサ１４の放電電流が抵抗１６
を通して流れ、その電流波形は第２図（ｃ）のようにな
る。またフライバックダイオード１８がオンしている状
態でＧＴＯｌ ２がターンオンすると、コンデンサ１９
の電荷は、フライバックダイオード１８の向きと逆方向
にリアクトル１７全通ってＧＴＯｌ２に放電するが、こ
の放電電流のｄｉ／ｄｔ ’！ｆ軽減するために、リ
アクトル１７が接続されている。次に時刻ｔ２ にお
いてＧＴＯＩ ２がターンオフすると、ＧＴＯｌ２に流
れていた電流はスナバ−回路１３のダイオード１５を通
り、コンデンサ１４を充電する。このコンデンサ１４の
充電が完了すると、リアクトル１１のエネルギーはりア
クドル１７及びフライバックダイオード１８（第２図（
ｄ））を通り、コンデンサ１９を充電し、出力端子Ｐ
２ 、Ｎ ２間には第２図（ｅ）の直流出力電圧が得ら
れる。12, the discharge current of the capacitor 14 of the snubber circuit 13 is superimposed on the current flowing through the reactor 11, and the discharge current flows through the resistor 16.
The current waveform is as shown in Fig. 2(c). Also, when GTOl 2 is turned on while the flyback diode 18 is on, the capacitor 19
The electric charge passes through the entire reactor 17 in the direction opposite to the direction of the flyback diode 18 and is discharged to GTOl2, but this discharge current di/dt'! A reactor 17 is connected to reduce f. Next, when the GTOI 2 is turned off at time t2, the current flowing through the GTOI 2 passes through the diode 15 of the snubber circuit 13 and charges the capacitor 14. When charging of the capacitor 14 is completed, the energy of the reactor 11 is transferred to the accelerator 17 and the flyback diode 18 (see Fig. 2).
d)), charges the capacitor 19, and outputs the output terminal P.
2 and N2, the DC output voltage shown in FIG. 2(e) is obtained.
従来のチョツ・ぐ装置は上記のような構成であるので、
スナバ−回路１３のコンデンサ１４の放電電流がＧＴＯ
ｌ ２に流れるため、ＧＴＯＩ ２はその電流変化に充
分耐えるものでなければならず、また、コンデンサ１４
の電荷は抵抗１６でほとんど消費されて損失となり、チ
ヨツ・ぐ装置の効率が悪いという欠点があった。Since the conventional chotu-gu device has the above configuration,
The discharge current of the capacitor 14 of the snubber circuit 13 is GTO
GTOI 2 must be able to withstand the current change sufficiently, and the capacitor 14
Most of the electric charge is consumed by the resistor 16 and becomes a loss, resulting in a drawback that the efficiency of the switching device is low.
この発明は、上記従来装置のもつ欠点全除去し、自己消
弧形素子に流れる電流変化を少なくすると共に、スナバ
−回路のコンデンサ電荷全電源側に放電して装置の効率
を向上させること全目的とするものであり、その構成は
、スナバ−回路のコンデンサの放電回路に変流器とりア
クドル金接続し、変流器の２次側を電源側に接続するチ
ョッパ装置である。The overall purpose of the present invention is to eliminate all of the drawbacks of the above-mentioned conventional device, to reduce changes in the current flowing through the self-extinguishing element, and to improve the efficiency of the device by discharging all of the capacitor charges in the snubber circuit to the power supply side. The configuration is a chopper device in which a current transformer is connected to the discharge circuit of the capacitor of the snubber circuit, and the secondary side of the current transformer is connected to the power supply side.
次に本発明の第１の実施例を第３図により説明する。図
において、３３はダイオード３５、コンデンサ３４から
成るスナバ−回路、３６は変流器、３７．３Ｂはダイオ
ードで、その他の符号の構成は第１図のものと同一であ
る。Next, a first embodiment of the present invention will be described with reference to FIG. In the figure, 33 is a snubber circuit consisting of a diode 35 and a capacitor 34, 36 is a current transformer, 37.3B is a diode, and the other symbols are the same as in FIG.
次にこの回路の動作を第４図の波形図により説明する。Next, the operation of this circuit will be explained using the waveform diagram shown in FIG.
時刻ｔ１ において、第４図（ａ）のｆ−）信号がＧ
ＴＯｌ２のダートに印加すると、ＧＴＯｌ２はターンオ
ンし、直流入力電圧（第４図（ｆ））がリアクトル１１
に印加され、リアクトル１１の電流は、第４図（ｂ）の
ように増加する。このとき、ＧＴＯＩ ２にはこの電流
に重畳してコンデンサ３４の放電電流が、変流器３６、
ダイオード３７゜リアクトル１７を介して流れる。変流
器３６の２次巻線に誘起する電圧はダイオード３８を介
してコンデンサ１９に印加され、第４図（、）の電圧が
直流出力端子Ｐ２、Ｎ２間に接続される図示しない負荷
に供給される。コンデンサ３５の放電電流はりアクドル
１７により限流されてＧＴＯｌ２に重畳するから、ＧＴ
Ｏｌ２に流れろ′電流は第４図（ｃ）のようになり、Ｇ
ＴＯｌ２のターンオン時に流れる電流の急変が回避され
る。At time t1, the f-) signal in FIG. 4(a) becomes G
When applied to the dart of TOl2, GTOl2 is turned on and the DC input voltage (Fig. 4(f)) is applied to the reactor 11.
is applied to the reactor 11, and the current in the reactor 11 increases as shown in FIG. 4(b). At this time, the discharge current of the capacitor 34 is superimposed on this current in the GTOI 2, and the current transformer 36,
It flows through the diode 37° reactor 17. The voltage induced in the secondary winding of the current transformer 36 is applied to the capacitor 19 via the diode 38, and the voltage shown in FIG. be done. Since the discharge current of the capacitor 35 is limited by the accelerator 17 and superimposed on GT012, GT
The current flowing through Ol2 becomes as shown in Fig. 4(c), and G
A sudden change in the current flowing when TOl2 is turned on is avoided.
次に時刻ｔ２ においてＧＴＯｌ２がターンオフする
と、ＧＴＯｌ２に流れていた電流がダイオード３５を介
してコンデンサ３４を充電する。充電が完了すると、リ
アクトル１１のエネルギーは、リアクトル１７及びフラ
イバックダイオード１８を通り、コンデンサ１９を充電
すると共に図示しない負荷にも供給される。このように
して昇圧テヨツノ母動作が行なわれる。このときりアク
ドル１１及び１７にはコンデンサ１９の電圧（直流出力
電圧〕と直流入力電圧の差電圧が印加され、リアクトル
１１の電流は減少する。壕だ、リアクトル１７に印加さ
れる電圧極性はダイオード３５．３７に対して逆方向に
なるから、変流器３６、コンデンサ３４へは流れない。Next, when GTOl2 is turned off at time t2, the current flowing through GTOl2 charges the capacitor 34 via the diode 35. When charging is completed, the energy of the reactor 11 passes through the reactor 17 and the flyback diode 18, charges the capacitor 19, and is also supplied to a load (not shown). In this way, the boost operation is performed. At this time, the voltage difference between the voltage of the capacitor 19 (DC output voltage) and the DC input voltage is applied to the actuators 11 and 17, and the current of the reactor 11 decreases. Since it is in the opposite direction to 35.37, it does not flow to the current transformer 36 and capacitor 34.
第５図は本発明の第２の実施例で、第３図の実施例にお
けるリアクトル１７會、ＧＴＯｌ２に対し直列に接続し
たもの（リアクトル５７）である。FIG. 5 shows a second embodiment of the present invention, in which the reactor 17 in the embodiment of FIG. 3 is connected in series with GT012 (reactor 57).
ＧＴＯｌ ２がターンオンするときには、コンデンサ３
４の放電電流が変流器３６、ダイオード３７、リアクト
ル５７を介・してＧＴＯＩ ２に流れ、その電流は限流
される。次にＧＴＯＩ ２’にターンオフした後にコン
デンサ３４が充電を完了すると、リアクトル５Ｔのエネ
ルギーはダイオード３５、変流器３６、ダイオード３１
を介して流れ、このときも変流器３６の２次巻線からコ
ンデンサ１９及び負荷に供給される。When GTOl 2 turns on, capacitor 3
A discharge current of 4 flows through the current transformer 36, the diode 37, and the reactor 57 to the GTOI 2, and the current is current limited. Next, when the capacitor 34 completes charging after being turned off to GTOI 2', the energy of the reactor 5T is transferred to the diode 35, the current transformer 36, and the diode 31.
The current flows through the current transformer 36 and is also supplied to the capacitor 19 and the load from the secondary winding of the current transformer 36.
第６図は本発明の第３実施例で、第３図の実施例におい
て変流器３６の２次巻線に中間タツノ金設けたもので、
変流器６６の２次端子８ａ、８ｂをダイオード６８ａ、
６８ｂｆ、Ｈ介してコンデンサ１９（直流出力端子Ｐｚ
）に接続し、中間タップ端子８ｃを直流出力端子Ｎ２
に接続する。ＧＴＯｌ２がターンオンしたときのコンデ
ンサ３４の放電電流は交流器６６を流れ、２次端子８ａ
に接続したダイオード６８ａｉ通してコンデンサ１９及
び負荷に流ｆ１−る。コンデンサ３４の放止、電流が零
になり、変流器６６の励磁電流が減少するときには、変
流器６６の２次端子ｓｂ、ａｅ間に誘起した電圧はダイ
オード６８ｂを介してコンデンサ１９及び負荷に供給さ
れる。FIG. 6 shows a third embodiment of the present invention, in which an intermediate tatsuno metal is provided in the secondary winding of the current transformer 36 in the embodiment of FIG.
The secondary terminals 8a and 8b of the current transformer 66 are connected to a diode 68a,
68bf, capacitor 19 (DC output terminal Pz
) and connect the intermediate tap terminal 8c to the DC output terminal N2.
Connect to. When GTOl2 is turned on, the discharge current of the capacitor 34 flows through the alternator 66 and is connected to the secondary terminal 8a.
The current f1- flows through the diode 68ai connected to the capacitor 19 and the load. When the capacitor 34 is released, the current becomes zero, and the excitation current of the current transformer 66 decreases, the voltage induced between the secondary terminals sb and ae of the current transformer 66 flows through the diode 68b to the capacitor 19 and the load. supplied to
上記各実施例では、自己消弧形素子としてＧＴＯを用い
て説明したが、トランジスタ、静電誘導形トランジスタ
（ＳＩＴ）、５ＩＴＨ，ＭＯＳＦＥＴを用いることもで
きろ。１だ、直流入力ＴｋｊＪＸと負荷間に上記のよう
なテヨツノや装置を多数並列接続して多重ナヨツノ９構
成にしてもよい。さらに、直流電源の正極側の母線にリ
アクトル１１．１７、ダイオード１８を接続したもの金
示したが、負極側母線に接続してもよい。変流器３６．
６６の２次側出力を直流入力電源側あるいは別の直流電
源に・ 接続してもよい。In each of the above embodiments, GTO is used as the self-extinguishing element, but a transistor, static induction transistor (SIT), 5ITH, or MOSFET may also be used. 1. A large number of devices such as those described above may be connected in parallel between the DC input TkjJX and the load to form a multiplex configuration. Furthermore, although the reactor 11, 17 and the diode 18 are shown connected to the positive side bus of the DC power source, they may be connected to the negative side bus. Current transformer 36.
The secondary output of 66 may be connected to the DC input power supply side or to another DC power supply.
以上説明したように、本発明は、チョッパ装置における
スナバ−回路のスナバーコンデンザの放の２次側を電源
側に接続したから、スナバ−コンデンサの放電電流が′
電源側に供給さノー１．るのでチョッパ装置としての効
率が向上すると共に、自己消弧形スイッチング素子へ流
れるスナバ−コンデンサの放電電流が限流されるから、
自己消弧形スイッチング素子に流れる電流の急変化が抑
制されるという効果がある。As explained above, the present invention connects the discharge secondary side of the snubber capacitor of the snubber circuit in the chopper device to the power supply side, so that the discharge current of the snubber capacitor is
No 1. No power supplied to the power side. This improves the efficiency of the chopper device, and limits the discharge current of the snubber capacitor flowing to the self-extinguishing switching element.
This has the effect of suppressing sudden changes in the current flowing through the self-extinguishing switching element.
第１図は従来のチョッパ装置の回路図、第２図は第１図
の動作波形図、第３図は本発明の第１実施例の回路図、
第４図は第３図の動作波形図、第５．６図は本発明の他
の実施例の回路図である。
Ｐ Ｉ ％ Ｎｌ・・・・・・直流入力電源端子Ｐ２、
ＮＺ・・・・・・直流出力端子
１１．１７．５７・・・・・・リアクトル１２・・・・
−・ＧＴＯ１３，３３・・・・・・スナバ−回路１４．
３４・・・・・・スナバ−コンデンサ１９・・・・・・
平滑コンデンサ
３６．６６・・・・・・変流器
なお、図中、同一符号は同−又は相当部分を示す。
代理人 葛 野 信 −ｔｌ
ｔ２ｔｌ ｔ２FIG. 1 is a circuit diagram of a conventional chopper device, FIG. 2 is an operation waveform diagram of FIG. 1, and FIG. 3 is a circuit diagram of a first embodiment of the present invention.
4 is an operational waveform diagram of FIG. 3, and FIG. 5.6 is a circuit diagram of another embodiment of the present invention. P I % Nl...DC input power supply terminal P2,
NZ...DC output terminal 11.17.57...Reactor 12...
-・GTO13,33...Snubber circuit 14.
34...Snubber capacitor 19...
Smoothing capacitor 36.66...Current transformer In the drawings, the same reference numerals indicate the same or equivalent parts. Agent Shin Kuzuno -tl
t2tl t2
Claims (1)
子を直列接続し、該自己消弧形スイッチング素子に並列
に、ダイオードとスナバ−コンデンサの直列回路を接続
したチョツｚＪ？装置において、該スナバ−コンデンサ
の放電回路に変流器とりアクドルを接続し、該変流器の
２次側全電源側に接続したことを特徴とするチヨ“ツ・
ぞ装置。A reactor and a self-arc-extinguishing switching element are connected in series to a DC input power source, and a series circuit of a diode and a snubber capacitor is connected in parallel to the self-arc-extinguishing switching element. In the device, a current transformer handle is connected to the discharge circuit of the snubber capacitor, and the current transformer is connected to the entire secondary power source side of the current transformer.
A device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5559883A JPS59178964A (en) | 1983-03-29 | 1983-03-29 | Chopper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5559883A JPS59178964A (en) | 1983-03-29 | 1983-03-29 | Chopper device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59178964A true JPS59178964A (en) | 1984-10-11 |
| JPH0548069B2 JPH0548069B2 (en) | 1993-07-20 |
Family
ID=13003204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5559883A Granted JPS59178964A (en) | 1983-03-29 | 1983-03-29 | Chopper device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59178964A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0418545A2 (en) * | 1989-09-22 | 1991-03-27 | Transtechnik Gmbh | Electrical switch-off snubber circuit for a controllable semiconductor switch |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583787U (en) * | 1981-06-29 | 1983-01-11 | 富士電気化学株式会社 | DC-DC converter circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583787B2 (en) * | 1976-07-01 | 1983-01-22 | 住友金属工業株式会社 | How to change slab width during continuous casting |
-
1983
- 1983-03-29 JP JP5559883A patent/JPS59178964A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583787U (en) * | 1981-06-29 | 1983-01-11 | 富士電気化学株式会社 | DC-DC converter circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0418545A2 (en) * | 1989-09-22 | 1991-03-27 | Transtechnik Gmbh | Electrical switch-off snubber circuit for a controllable semiconductor switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0548069B2 (en) | 1993-07-20 |
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