JPS6251986U - - Google Patents
Info
- Publication number
- JPS6251986U JPS6251986U JP14050385U JP14050385U JPS6251986U JP S6251986 U JPS6251986 U JP S6251986U JP 14050385 U JP14050385 U JP 14050385U JP 14050385 U JP14050385 U JP 14050385U JP S6251986 U JPS6251986 U JP S6251986U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- capacitor
- inverter
- output
- switching
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Rectifiers (AREA)
Description
第１図は本考案の第１の実施例を示す回路構成
図、第２図は同第１の実施例の要部を示す回路構
成図、第３図は本考案の第２の実施例を示す第１
図相当図、第４図は従来例を示す第１図相当図、
第５図は第４図の作用説明用のタイミングチヤー
トである。
図中、１は交流電源、２は電源スイツチ、３は
整流回路、６はチヨツパ回路、７は直流電源、１
０はコンデンサ、１２はインバータ主回路、１４
，１８は制御回路、１６は電磁接触器（スイツチ
ング手段）、１７は抵抗、２０はコンパレータ、
２３はトランジスタ、２５はリレー、２６は放電
補償手段、２７はタイマ（放電補償手段）を示す
。
Fig. 1 is a circuit diagram showing a first embodiment of the present invention, Fig. 2 is a circuit diagram showing the main parts of the first embodiment, and Fig. 3 is a circuit diagram showing a second embodiment of the invention. 1st to show
Figure 4 is a diagram equivalent to Figure 1 showing a conventional example,
FIG. 5 is a timing chart for explaining the operation of FIG. 4. In the figure, 1 is an AC power supply, 2 is a power switch, 3 is a rectifier circuit, 6 is a chopper circuit, 7 is a DC power supply, 1
0 is the capacitor, 12 is the inverter main circuit, 14
, 18 is a control circuit, 16 is an electromagnetic contactor (switching means), 17 is a resistor, 20 is a comparator,
23 is a transistor, 25 is a relay, 26 is a discharge compensation means, and 27 is a timer (discharge compensation means).
Claims (1)
と、この直流電源の出力をパルス振幅変調方式に
よりスイツチングして交流出力を発生するインバ
ータ主回路とを備えたインバータ装置において、
前記直流電源のしや断に応じてオンされそのオン
に応じて前記コンデンサの放電回路を形成するス
イツチング手段と、前記直流電源が再投入された
ときに前記コンデンサの端子電圧が所定の下限レ
ベル以下に低下するまでの間前記スイツチング手
段を強制的にオン状態に保持すると共に前記イン
バータ主回路のスイツチング動作を強制的に停止
状態に保持する放電補償手段とを設けたことを特
徴とするインバータ装置。 In an inverter device comprising a DC power supply having a capacitor for output voltage smoothing, and an inverter main circuit that generates an AC output by switching the output of the DC power supply using a pulse amplitude modulation method,
switching means that is turned on in response to interruptions in the DC power supply and forms a discharge circuit for the capacitor in response to the on-off; and switching means that is configured to cause a terminal voltage of the capacitor to be below a predetermined lower limit level when the DC power supply is turned on again; 1. An inverter device comprising: a discharge compensating means for forcibly holding the switching means in an on state and forcibly holding a switching operation of the inverter main circuit in a stopped state until the inverter voltage drops to .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14050385U JPS6251986U (en) | 1985-09-13 | 1985-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14050385U JPS6251986U (en) | 1985-09-13 | 1985-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6251986U true JPS6251986U (en) | 1987-03-31 |
Family
ID=31047410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14050385U Pending JPS6251986U (en) | 1985-09-13 | 1985-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251986U (en) |
-
1985
- 1985-09-13 JP JP14050385U patent/JPS6251986U/ja active Pending
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