JPS5870048U - Synchronous adjustment circuit - Google Patents
Synchronous adjustment circuitInfo
- Publication number
- JPS5870048U JPS5870048U JP16241681U JP16241681U JPS5870048U JP S5870048 U JPS5870048 U JP S5870048U JP 16241681 U JP16241681 U JP 16241681U JP 16241681 U JP16241681 U JP 16241681U JP S5870048 U JPS5870048 U JP S5870048U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- voltage
- circuit
- addition
- subtraction
- 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
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示す回路図である。
１．２は零点比較比、３は位相二重圧変換器、４は低域
通過ろ波器、５は電圧−周波数変換器、６は加算減算選
択回路、７は発信回路、８は加算減算回路、９は分周回
路。The drawing is a circuit diagram showing an embodiment of the present invention. 1.2 is a zero point comparison ratio, 3 is a phase double pressure converter, 4 is a low-pass filter, 5 is a voltage-frequency converter, 6 is an addition/subtraction selection circuit, 7 is an oscillation circuit, and 8 is an addition/subtraction circuit. , 9 is a frequency dividing circuit.
Claims (1)
調整回路において、商用電源周波数の零点比較器及びイ
ンバータの出力周波数の零点比較器と、その２つの位相
差を電圧に変換する位相−電圧変換器と、その電圧に対
する低域通過ろ波器と、その低域通過ろ波器の出力電圧
を周波数に変換する電圧−周波数変換器と、前記２つの
零点比較器の位相差状態によって加算又は減算を選択す
る加算減算選択回路と、加算減算選択回路の選択信号に
よって上記電圧−周波数変換器の出力周波数をインバー
タの位相制御回路における発振回路の廠振周波数に加算
あるいは減算を行なう加算減算回路とによって構成され
、インバータの出力周波数を商用電源周波数に常時同期
させることを特徴とする同期調整回路。In a synchronization adjustment circuit for constantly synchronously operating an inverter and a commercial power source, a zero point comparator for the commercial power frequency, a zero point comparator for the inverter output frequency, and a phase-voltage converter that converts the phase difference between the two into voltage. , a low-pass filter for that voltage, a voltage-frequency converter that converts the output voltage of the low-pass filter into a frequency, and addition or subtraction depending on the phase difference state of the two zero point comparators. Consisting of an addition/subtraction selection circuit for selection, and an addition/subtraction circuit for adding or subtracting the output frequency of the voltage-frequency converter to or from the oscillation frequency of the oscillation circuit in the phase control circuit of the inverter according to the selection signal of the addition/subtraction selection circuit. A synchronization adjustment circuit that constantly synchronizes the inverter output frequency with the commercial power supply frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16241681U JPS5870048U (en) | 1981-10-30 | 1981-10-30 | Synchronous adjustment circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16241681U JPS5870048U (en) | 1981-10-30 | 1981-10-30 | Synchronous adjustment circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5870048U true JPS5870048U (en) | 1983-05-12 |
Family
ID=29954729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16241681U Pending JPS5870048U (en) | 1981-10-30 | 1981-10-30 | Synchronous adjustment circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5870048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009106101A (en) * | 2007-10-24 | 2009-05-14 | Fuji Electric Systems Co Ltd | Synchronous control device of power supply and parallel operation method of power supply |
-
1981
- 1981-10-30 JP JP16241681U patent/JPS5870048U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009106101A (en) * | 2007-10-24 | 2009-05-14 | Fuji Electric Systems Co Ltd | Synchronous control device of power supply and parallel operation method of power supply |
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