JPS5992775A - Inverter device - Google Patents
Inverter deviceInfo
- Publication number
- JPS5992775A JPS5992775A JP57201137A JP20113782A JPS5992775A JP S5992775 A JPS5992775 A JP S5992775A JP 57201137 A JP57201137 A JP 57201137A JP 20113782 A JP20113782 A JP 20113782A JP S5992775 A JPS5992775 A JP S5992775A
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- voltage
- output
- load
- 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.)
- Pending
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
- 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
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は直流を交流（二変換するインバータ装置（１係
９、特（１小形化を計ったインバータ装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an inverter device (1) that converts direct current to alternating current (1) and particularly (1) designed to be miniaturized.
第１図は従来の単相インバータ装置の構成図を示し、図
（二おいて、１は直流入力電圧Ｅｄを交流出力電圧７人
Ｃ（二変換するインバータ回路、２はインバータ変圧器
、３は負荷を示す。又インバータ１の入力直流電圧Ｅｔ
１、と交流出力電圧■ムＣとの関係は定数なＫ、出力電
圧のない期間の角度なβとすれば
ＶＡＣ＝ Ｋ−Ｅｄ Ｘ ｃｏ８Ｌ”−（１）となる。Figure 1 shows a configuration diagram of a conventional single-phase inverter device. Indicates the load.Also, the input DC voltage Et of the inverter 1
The relationship between 1 and the AC output voltage .mu.C is VAC=K-Ed.times.co8L"-(1), where K is a constant and .beta. is the angle of the period during which there is no output voltage.
又負荷電圧ＶＬは変圧器の巻線比をｎとすれば
ＶＬ ＝ ｎ ＸＶＡＣ＝ ｎ ＸＫＸＥｄ Ｘ ｃｏ
ｓＺ −（２）となる。Also, the load voltage VL is given by n if the turns ratio of the transformer is VL = n XVAC = n XKXEd X co
sZ −(2).
前述のよう（二、インバーターの出力′磁圧の最大値は
直流入力電圧Ｅｄの最大値（＝よって決定され、この直
流入力電圧Ｅｄの最大値は図示しない整流装置の最大値
出力（＝よって決定される。このため整流装置が最大出
力を発生しても、それ以上の交流電圧を負荷３（＝印加
する場合は変圧器２を設けていた。しかしながら、変圧
器２はその容積が大きく、インバータ装置の容積の大半
を占め小形化を計るための支障となっている。As mentioned above (2. The maximum value of the inverter's output 'magnetic pressure is determined by the maximum value of DC input voltage Ed (=), and the maximum value of this DC input voltage Ed is determined by the maximum value output of the rectifier (not shown) (= determined by For this reason, even if the rectifier generates the maximum output, a transformer 2 is provided if a higher AC voltage is to be applied to the load 3. However, the transformer 2 has a large volume, and the inverter It occupies most of the volume of the device and is an obstacle to miniaturization.
本発明の目的は、前述の点（−寵みなされたものであっ
て、負荷し所望の交流重圧を印加出来る小形化を計った
インバータ装置を提供すること（二ある。The object of the present invention is to provide an inverter device which is compact and capable of applying a desired alternating current load and applying a desired alternating current pressure.
本発明は、この目的を達成するために、絶縁変圧器（二
代わって、変圧器容量の小さい小形、安価なブースタ変
圧器を設け、負荷電圧ＶＬのうち交流出力′電圧で足シ
ない分だけを昇圧し、負荷に所望の交流′電圧を印加す
るようにしたものである。In order to achieve this object, the present invention provides an isolation transformer (instead, a small, inexpensive booster transformer with a small transformer capacity, and only takes up the portion of the load voltage VL that is not sufficient for the AC output voltage). The voltage is increased to apply a desired AC voltage to the load.
以下、本発明を第１図と同一部（二同−記号を付して示
す第２図の一実施例を参照して説明する。Hereinafter, the present invention will be described with reference to an embodiment in FIG. 2, which shows the same parts as in FIG.
第２図（＝おいて、４ａはブースタ変圧器で、その１次
巻線をインバータ１の出力端子間（−接続し、更に２次
巻線を負荷３を介して同じくインノ（−タ１の出力端子
間（二接続する。In Figure 2 (=, 4a is a booster transformer, its primary winding is connected between the output terminals of inverter 1 (-), and the secondary winding is connected via load 3 to the output terminals of inverter 1 (-). Between the output terminals (two connected).
前述の如く構成された第２図（二おいて、インノく一タ
１の交流出力電圧ＶＡＣは（１）式よＪ） ＶＡＣ＝
Ｋ ＸＦＡブースタ変圧器の巻國比をＮとすると
ＶＴ ＝ Ｎ ＸＫ Ｘ Ｅｄ Ｘ ｃｏｓ Ｌ−−（
３）従って、負荷電圧ＶＬは、
ｖ’ｉ、＝ｖＡｃ＋’Ｖｒ＝（１＋Ｎ）ＸＫＸＥｄＸｃ
ｏｓＬ−（Ｊゞ−
となシ、負荷３（＝所望の反流電圧Ｖｂを印加すること
が出来る。又変圧器容量は、電圧上昇分（１児合った分
だけでよいため小容量のものが使用出来小形化出来る。Figure 2 is configured as described above (2, the AC output voltage VAC of Inno-Kuita 1 is expressed by equation (1)): VAC=
K If the turns ratio of the XFA booster transformer is N, then VT = N XK X Ed X cos L--(
3) Therefore, the load voltage VL is v'i,=vAc+'Vr=(1+N)XKXEdXc
osL-(Jゞ-) Load 3 (= Desired countercurrent voltage Vb can be applied. Also, the transformer capacity should be small as it only needs to be equal to the voltage rise (one child). can be used and made smaller.
第３図は本発明な三相インバータ装置に適用駿た他の実
施例を示し、４ｂはブースタ変圧器、３ａは三相負荷を
示す。ブースタ変圧器４ｂの１次巻線はデルタ結線され
各端子Ｒ，Ｓ、Ｔは三、ＩＤインバーターａの各相の出
力端子（二接続される。２次巻勝は開放デルタ結線され
一方の端子ｒ ＋ ｓ ＋ ｔ はそれぞＪ’ｔ、
１次巻線端子Ｓ、Ｔ、Ｒｔ二接続される。又２次巻線の
他方の端子はそれぞれ三相負荷３ａの対応する各相端子
と接続する。この第３図において、三相インバータ１ａ
の線間電圧ｖｎ−ｓと、負荷線間電圧ＶＬｒ−，は、単
相と同様インバータ出力重圧ＶＲ−５とブースタ変圧器
４ｂの２次側電圧を合成した値となシこれをベクトルで
表わすと第４図のようになる。FIG. 3 shows another embodiment applied to a three-phase inverter device according to the present invention, where 4b is a booster transformer and 3a is a three-phase load. The primary winding of the booster transformer 4b is delta-connected, and each terminal R, S, and T are three, and the output terminals of each phase of ID inverter a (two are connected.The secondary winding is open delta-connected, and one terminal is r + s + t are respectively J't,
The two primary winding terminals S, T, and Rt are connected. Further, the other terminals of the secondary windings are respectively connected to corresponding phase terminals of the three-phase load 3a. In this FIG. 3, a three-phase inverter 1a
The line voltage vn-s and the load line voltage VLr-, are the sum of the inverter output heavy voltage VR-5 and the secondary voltage of the booster transformer 4b, similar to the single-phase case, and are expressed as a vector. and as shown in Figure 4.
この第４図のベクトル図からもわかるよう（二、インバ
ータ１ａの出力重圧と、ブースタ賀圧器４ｂの２次側出
力電圧とを合成したものが電荷′電圧となるため、負荷
３ａ（：所望の電圧を印加するととが出来る。又変圧器
の容量は電圧上昇分（二見合った容量であればよく、変
圧器ン小形化出来る。As can be seen from the vector diagram in FIG. When a voltage is applied, a voltage is generated.Also, the capacity of the transformer only needs to be commensurate with the voltage increase (the capacity of the transformer can be made smaller).
以上説明のよう（二本発明（二よれば、インバータ装置
としての占積率の大きい変圧器をブースタ変圧器とする
こと（二より、占積率を小さく出来るため、インパーク
装置全体を小形化出来、史にブースタ変圧器は小’６に
のものを採用し得るた低価格化も現実出来る優れた効果
を得ることが出来る。As explained above (2) According to the present invention (2), a transformer with a large space factor as an inverter device is used as a booster transformer (2) Since the space factor can be reduced, the entire impark device can be downsized. As a result, the booster transformer can be used in a small '6 model, and the cost can be lowered, resulting in excellent effects.
第１図は従来のインバータ装置の構成図、第２図は本発
明の一実施例な示すインバータ装置の構成図、第３図は
本発明の他の実施例を示すインバータ装置の構成図、第
４図は第３図のインバータ装置の出力重圧と負荷電圧と
の関係を示すベクトル図である。
１．１ａ・・・インバータ、 ３・・・負荷４ａ、４
ｂ・・・ブースタ変圧器。
（７３１７） 代理人 弁理士 則 近憲 佑（ほか
１名）第１図
４ｂ
第４図
３７３−FIG. 1 is a configuration diagram of a conventional inverter device, FIG. 2 is a configuration diagram of an inverter device showing one embodiment of the present invention, and FIG. 3 is a configuration diagram of an inverter device showing another embodiment of the present invention. FIG. 4 is a vector diagram showing the relationship between the output pressure and load voltage of the inverter device shown in FIG. 3. 1.1a...Inverter, 3...Load 4a, 4
b...Booster transformer. (7317) Agent Patent attorney Noriyuki Chikanori (and 1 other person) Figure 1 4b Figure 4 373-
Claims (1)
ンバータの出力側（＝設けられるブースタ変圧器を具備
し、前記インバータの出力電圧と前記ブースタ変圧器の
２次側出力を合成して負荷（二所望の電圧を印加するこ
とを特徴とするインバータ装置。It is equipped with an inverter that converts a DC voltage into an AC voltage, and a booster transformer provided on the output side of this inverter, and combines the output voltage of the inverter and the secondary output of the booster transformer to generate a load (secondary An inverter device that applies a desired voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57201137A JPS5992775A (en) | 1982-11-18 | 1982-11-18 | Inverter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57201137A JPS5992775A (en) | 1982-11-18 | 1982-11-18 | Inverter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5992775A true JPS5992775A (en) | 1984-05-29 |
Family
ID=16436013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57201137A Pending JPS5992775A (en) | 1982-11-18 | 1982-11-18 | Inverter device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5992775A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57106838A (en) * | 1980-12-24 | 1982-07-02 | Fujitsu Ltd | Optical fiber for sensor |
-
1982
- 1982-11-18 JP JP57201137A patent/JPS5992775A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57106838A (en) * | 1980-12-24 | 1982-07-02 | Fujitsu Ltd | Optical fiber for sensor |
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