JPH0348336U - - Google Patents
Info
- Publication number
- JPH0348336U JPH0348336U JP10729089U JP10729089U JPH0348336U JP H0348336 U JPH0348336 U JP H0348336U JP 10729089 U JP10729089 U JP 10729089U JP 10729089 U JP10729089 U JP 10729089U JP H0348336 U JPH0348336 U JP H0348336U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- supply voltage
- inverter
- detection unit
- 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 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図ないし第５図は本考案の瞬時電圧低下補
償装置の１実施例を示し、第１図はブロツク結線
図、第２図は一部のブロツク図、第３図ａ〜ｄは
第２図の動作説明用の信号波形図、第４図ａ〜ｄ
及び第５図ａ〜ｄは動作説明用のタイミングチヤ
ート、第６図は従来例のブロツク結線図、第７図
ａ〜ｄは第６図の動作説明用の各種信号波形図で
ある。
１……交流電源、２……負荷、３……サイリス
タスイツチ、４……注入トランス、４ａ，４ｂ…
…１次、２次巻線、５……インバータ、１３……
瞬低検出部、１５……サイリスタ制御部、１６…
…インバータ制御部、１７……瞬断検出部。
1 to 5 show one embodiment of the instantaneous voltage drop compensator of the present invention, FIG. 1 is a block diagram, FIG. 2 is a partial block diagram, and FIGS. Signal waveform diagrams for explaining the operation of the figure, Figures 4 a to d
5A to 5D are timing charts for explaining the operation, FIG. 6 is a block connection diagram of a conventional example, and FIGS. 7A to 7D are various signal waveform diagrams for explaining the operation of FIG. 1... AC power supply, 2... Load, 3... Thyristor switch, 4... Injection transformer, 4a, 4b...
...Primary, secondary winding, 5...Inverter, 13...
Momentary sag detection section, 15... Thyristor control section, 16...
...Inverter control unit, 17...Momentary interruption detection unit.
Claims (1)
イリスタスイツチと、 ２次巻線が前記サイリスタスイツチに並列に接
続された注入トランスと、 出力端子が前記注入トランスの１次巻線に接続
されたインバータと、 前記電源の電源電圧を監視し前記電源電圧の正
常及び瞬低をそれぞれ検出する瞬低検出部と、 前記瞬低検出部の出力信号により前記電源電圧
の正常時及び瞬低時に前記サイリスタスイツチを
それぞれオン及びオフするサイリスタ制御部と、 前記瞬低検出部の出力信号により前記電源電圧
の正常時及び瞬低時に前記インバータをそれぞれ
停止及び駆動するインバータ制御部と、 を備えた瞬時電圧低下補償装置において、 前記電源電圧を監視し前記電源電圧の瞬断を検
出して瞬断検出信号を出力する瞬断検出部を設け
、 前記瞬断検出信号の入力時前記サイリスタ制御
部により前記サイリスタスイツチをオンし、 前記瞬断検出信号の入力時前記インバータ制御
部により前記インバータを停止する、 ことを特徴とする瞬時電圧低下補償装置。[Claims for Utility Model Registration] A thyristor switch provided in a current-carrying path between an AC power supply and a load, an injection transformer whose secondary winding is connected in parallel to the thyristor switch, and an output terminal of which is the injection transformer. an inverter connected to the primary winding of the power supply; a voltage drop detection unit that monitors the power supply voltage of the power supply and detects normality and voltage drop of the power supply voltage; and an output signal of the voltage drop detection unit that detects the power supply voltage. a thyristor control unit that turns on and off the thyristor switch when the power supply voltage is normal and when the voltage drops, respectively; and an inverter control unit that stops and drives the inverter when the power supply voltage is normal and when the voltage drops, respectively, based on the output signal of the voltage sag detection unit. An instantaneous voltage drop compensator comprising: a momentary power failure detection unit that monitors the power supply voltage, detects a momentary power failure in the power supply voltage, and outputs a momentary power failure detection signal; An instantaneous voltage drop compensator characterized in that: when the thyristor control section turns on the thyristor switch; and when the instantaneous interruption detection signal is input, the inverter control section stops the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10729089U JPH0348336U (en) | 1989-09-12 | 1989-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10729089U JPH0348336U (en) | 1989-09-12 | 1989-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0348336U true JPH0348336U (en) | 1991-05-09 |
Family
ID=31655984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10729089U Pending JPH0348336U (en) | 1989-09-12 | 1989-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348336U (en) |
-
1989
- 1989-09-12 JP JP10729089U patent/JPH0348336U/ja active Pending
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