JPS62111746U - - Google Patents
Info
- Publication number
- JPS62111746U JPS62111746U JP20231885U JP20231885U JPS62111746U JP S62111746 U JPS62111746 U JP S62111746U JP 20231885 U JP20231885 U JP 20231885U JP 20231885 U JP20231885 U JP 20231885U JP S62111746 U JPS62111746 U JP S62111746U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- inverter
- standby power
- power source
- load
- 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
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
Description
図面は本考案の一実施例を示す回路図である。
１…商用電源、２…サイリスタスイツチ、３…
負荷、４…電磁接触器、５…インバータ、６…Ｐ
ＬＬ回路、８…切換回路、９…電圧設定器、１１
…ＰＷＭゲート発生回路、１２…無効電力検出器
、１４…スイツチ、１５…電源切換制御部。
The drawing is a circuit diagram showing an embodiment of the present invention. 1... Commercial power supply, 2... Thyristor switch, 3...
Load, 4...Magnetic contactor, 5...Inverter, 6...P
LL circuit, 8...Switching circuit, 9...Voltage setting device, 11
... PWM gate generation circuit, 12 ... reactive power detector, 14 ... switch, 15 ... power supply switching control section.
Claims (1)
る待機電源と、インバータの出力と前記待機電源
の出力とを切換えて負荷に接続する電磁接触器と
、前記半導体スイツチがオンして前記電磁接触器
がインバータから待機電源側に切換わるときのラ
ツプ期間に該インバータの誘起電圧位相を該待機
電源の電圧位相に一致させ、かつ該インバータの
無効電力の検出によつて該無効電力が零になるよ
う該インバータの誘起電圧を制御する制御回路と
を備えたことを特徴とする無停電電源装置。 a standby power supply having a semiconductor switch that can be opened and closed between the power supply and the load; an electromagnetic contactor that switches between the output of an inverter and the output of the standby power supply and connects it to the load; During the lap period when switching from the standby power source to the standby power source side, the inverter causes the induced voltage phase of the inverter to match the voltage phase of the standby power source, and detects the reactive power of the inverter so that the reactive power becomes zero. An uninterruptible power supply comprising: a control circuit for controlling the induced voltage of the uninterruptible power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20231885U JPH043562Y2 (en) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20231885U JPH043562Y2 (en) | 1985-12-26 | 1985-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62111746U true JPS62111746U (en) | 1987-07-16 |
| JPH043562Y2 JPH043562Y2 (en) | 1992-02-04 |
Family
ID=31166583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20231885U Expired JPH043562Y2 (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043562Y2 (en) |
-
1985
- 1985-12-26 JP JP20231885U patent/JPH043562Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH043562Y2 (en) | 1992-02-04 |
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