JPH0294434U - - Google Patents
Info
- Publication number
- JPH0294434U JPH0294434U JP170489U JP170489U JPH0294434U JP H0294434 U JPH0294434 U JP H0294434U JP 170489 U JP170489 U JP 170489U JP 170489 U JP170489 U JP 170489U JP H0294434 U JPH0294434 U JP H0294434U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- uninterruptible power
- voltage waveform
- circuit
- advancing
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案による第１の実施例を示すブロ
ツク構成図、第２図は第１図の動作を示す波形図
であつて、第２図ａは第１図においてフイルタ１
を通過した後の電圧波形、第２図ｂは第１図にお
いて微分器６を通過した後の電圧波形、第２図ｃ
は第１図において無瞬断化された交流出力電圧波
形、第３図は本考案による第２の実施例を示すブ
ロツク構成図、第４図は従来の無停電電源装置の
ブロツク図、第５図は第４図の動作を示す波形で
あつて、第５図ａは第４図においてフイルタ１を
通過した後の電圧波形、第５図ｂは第４図におい
て瞬断が発生している交流出力電圧波形である。
１…フイルタ、２…充電器、３…ＤＣ／ＡＣイ
ンバータ、４…ＡＣスイツチ、５…バツテリ、６
…微分器、７…低電圧検出回路、８…ＡＣスイツ
チ点弧回路、９…スイツチ点弧回路、１０…スイ
ツチ、１１…整流回路。
FIG. 1 is a block configuration diagram showing a first embodiment of the present invention, and FIG. 2 is a waveform diagram showing the operation of FIG. 1. FIG.
The voltage waveform after passing through the differentiator 6 in Figure 1, Figure 2c is the voltage waveform after passing through the differentiator 6 in Figure 1.
1 shows the uninterrupted AC output voltage waveform, FIG. 3 is a block diagram showing the second embodiment of the present invention, FIG. 4 is a block diagram of a conventional uninterruptible power supply, and FIG. The figure shows waveforms showing the operation in Figure 4, where Figure 5a is the voltage waveform after passing through the filter 1 in Figure 4, and Figure 5b is the AC waveform in which momentary interruption has occurred in Figure 4. This is the output voltage waveform. 1... Filter, 2... Charger, 3... DC/AC inverter, 4... AC switch, 5... Battery, 6
...differentiator, 7...low voltage detection circuit, 8...AC switch ignition circuit, 9...switch ignition circuit, 10...switch, 11...rectifier circuit.
Claims (1)
に交流入力電圧波形の位相を進める為の微分回路
を含むことを特徴とする無停電電源装置。 An uninterruptible power supply characterized in that the uninterruptible power supply includes a differentiating circuit for advancing the phase of an AC input voltage waveform before a low voltage detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170489U JPH0294434U (en) | 1989-01-10 | 1989-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170489U JPH0294434U (en) | 1989-01-10 | 1989-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0294434U true JPH0294434U (en) | 1990-07-26 |
Family
ID=31201823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP170489U Pending JPH0294434U (en) | 1989-01-10 | 1989-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0294434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009284742A (en) * | 2008-04-22 | 2009-12-03 | Onkyo Corp | Low voltage detecting circuit and power supply circuit provided with it |
-
1989
- 1989-01-10 JP JP170489U patent/JPH0294434U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009284742A (en) * | 2008-04-22 | 2009-12-03 | Onkyo Corp | Low voltage detecting circuit and power supply circuit provided with it |
| JP4581149B2 (en) * | 2008-04-22 | 2010-11-17 | オンキヨー株式会社 | Low voltage detection circuit and power supply circuit including the same |
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