JPS55111680A - Synchronization controller of synchronous motor - Google Patents
Synchronization controller of synchronous motorInfo
- Publication number
- JPS55111680A JPS55111680A JP1819479A JP1819479A JPS55111680A JP S55111680 A JPS55111680 A JP S55111680A JP 1819479 A JP1819479 A JP 1819479A JP 1819479 A JP1819479 A JP 1819479A JP S55111680 A JPS55111680 A JP S55111680A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- motor
- speed
- synchronous
- 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
Abstract
PURPOSE: To rapidly reach the speed of a synchronous motor to its synchronous speed even at its nearly synchronous speed by controlling the motor by applying the sum of a synchronization auxiliary signal regardless of frequency difference and a synchronization signal to a standard signal generator circuit.
CONSTITUTION: A synchronous speed standard circuit 7 for controlling a variable speed drive unit 5 for driving a synchronous motor 1 employs the sum of a value integrated with the sum of a signal from a synchronization signal circuit 9 and a signal from a synchronization auxiliary signal circuit 14 and of a value added with the speed standard in the standard circuit 7 as a standard signal. The synchronization circuit 9 produces an acceleration or deceleration signal according to the difference in frequency between an AC bus line 2 and the motor 1. The auxiliary circuit 14 produces an acceleration or deceleration signal regardless of the frequency difference. Accordingly, the motor can be controlled to its synchronous speed rapidly even in the vicinity of the synchronous speed with the circuit 14 added. In addition, even after the motor reaches its synchronous speed, the motor 1 is again accelerated or decelerated when the phase difference is not coincident to thereby equalize the phase difference.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1819479A JPS55111680A (en) | 1979-02-19 | 1979-02-19 | Synchronization controller of synchronous motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1819479A JPS55111680A (en) | 1979-02-19 | 1979-02-19 | Synchronization controller of synchronous motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55111680A true JPS55111680A (en) | 1980-08-28 |
Family
ID=11964812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1819479A Pending JPS55111680A (en) | 1979-02-19 | 1979-02-19 | Synchronization controller of synchronous motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55111680A (en) |
-
1979
- 1979-02-19 JP JP1819479A patent/JPS55111680A/en active Pending
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