JPS5529290A - Emergency three-phase ac power supply - Google Patents
Emergency three-phase ac power supplyInfo
- Publication number
- JPS5529290A JPS5529290A JP10331078A JP10331078A JPS5529290A JP S5529290 A JPS5529290 A JP S5529290A JP 10331078 A JP10331078 A JP 10331078A JP 10331078 A JP10331078 A JP 10331078A JP S5529290 A JPS5529290 A JP S5529290A
- Authority
- JP
- Japan
- Prior art keywords
- output
- register
- shift register
- switching element
- shift
- 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
- Inverter Devices (AREA)
Abstract
PURPOSE: To convert a battery power to three-phase alternating current in high reliability by providing 12-bit shift register operating with an oscillator and connecting the output of the shift register through a semconductor switching element to an output terminal.
CONSTITUTION: A rectangular pulse from an oscillator O is applied as shift pulse to 12-bit shift registers IC2∼IC4, and the output of the shift register IC3 is fed back through a NOR gate IC5 to the DATA 1 of the shift register IC2. There are also provided a switching element Tr8 connecting the output terminal R to ground when the output Q1 of the register IC2 is "high", a switching element Tr7 connecting the output terminal R to a DC power supply when the output Q7 of the register IC3 is "high", at the terminals S and T, respectively. Thus, the switching elements are driven on the basis of the output of the shift registers. Accordingly, it provides always constant phase difference to operate extremely accurately.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10331078A JPS5529290A (en) | 1978-08-23 | 1978-08-23 | Emergency three-phase ac power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10331078A JPS5529290A (en) | 1978-08-23 | 1978-08-23 | Emergency three-phase ac power supply |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5529290A true JPS5529290A (en) | 1980-03-01 |
Family
ID=14350631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10331078A Pending JPS5529290A (en) | 1978-08-23 | 1978-08-23 | Emergency three-phase ac power supply |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5529290A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57111672U (en) * | 1980-12-27 | 1982-07-10 | ||
JPS57154805A (en) * | 1981-03-20 | 1982-09-24 | Hitachi Metals Ltd | Manufacture of permanent magnet roll for electrophotograph |
JPS58177527U (en) * | 1982-05-24 | 1983-11-28 | トヨタ自動車株式会社 | Link device for controlling opening/closing valve of helical intake port |
JPS6397784U (en) * | 1986-12-16 | 1988-06-24 |
-
1978
- 1978-08-23 JP JP10331078A patent/JPS5529290A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57111672U (en) * | 1980-12-27 | 1982-07-10 | ||
JPS6116224Y2 (en) * | 1980-12-27 | 1986-05-19 | ||
JPS57154805A (en) * | 1981-03-20 | 1982-09-24 | Hitachi Metals Ltd | Manufacture of permanent magnet roll for electrophotograph |
JPS58177527U (en) * | 1982-05-24 | 1983-11-28 | トヨタ自動車株式会社 | Link device for controlling opening/closing valve of helical intake port |
JPS6323547Y2 (en) * | 1982-05-24 | 1988-06-28 | ||
JPS6397784U (en) * | 1986-12-16 | 1988-06-24 |
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