SU476643A1 - A device for maintaining a constant voltage to frequency ratio - Google Patents
A device for maintaining a constant voltage to frequency ratioInfo
- Publication number
- SU476643A1 SU476643A1 SU1694989A SU1694989A SU476643A1 SU 476643 A1 SU476643 A1 SU 476643A1 SU 1694989 A SU1694989 A SU 1694989A SU 1694989 A SU1694989 A SU 1694989A SU 476643 A1 SU476643 A1 SU 476643A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- maintaining
- constant voltage
- frequency ratio
- frequency
- output
- Prior art date
Links
Landscapes
- Control Of Electrical Variables (AREA)
Description
бильной линейной характеристикой «вход - выход. Частота импульсов на выходе задающего генератора 5 иропорциональна току управлени . Три ведомых генератора-формировател 6 управл ют тиристорами инвертора 3. Частота переключений тиристоров и, следовательно , частота напр жени на выходе преобразовател в три раза меньше частоты задающего генератора 5.by the linear characteristic "input - output. The frequency of the pulses at the output of the master oscillator 5 is proportional to the control current. Three slave generator 6 drives the thyristors of inverter 3. The switching frequency of the thyristors and, consequently, the voltage frequency at the output of the converter is three times lower than the frequency of the master oscillator 5.
Поскольку в описанном устройстве амплитуда выходного напр жени и его частота св заны с величиной тока управлени через посто нные передаточные коэффициенты, то отношение амплитуды к частоте есть также величина посто нна .Since, in the device described, the amplitude of the output voltage and its frequency are related to the magnitude of the control current through constant transfer ratios, the ratio of amplitude to frequency is also constant.
Таким образом, в описанном устройствеThus, in the described device
поддерживаетс посто нство maintains constancy
отношени напр жени к частоте.relationship of voltage to frequency.
Предмет изобретени Subject invention
Устройство дл поддержани посто нства отношени напр жени к частоте на выходе преобразовател частоты со звеном посто нного тока, содержащее магнитный усилитель, управл ющий регулируемы. выпр мителем и задающий генератор, отличающеес тем, что, с целью упрощени схемы регулировани преобразовател частоты и уменьшени величины тока в цеп х управлени , обмотка управлени упом нутого магнитного усилител и входна цень задающего генератора соединены последовательно.A device for maintaining a constant voltage to frequency ratio at the output of the frequency converter with a DC link containing a magnetic amplifier, control is adjustable. A rectifier and a master oscillator, characterized in that, in order to simplify the control circuit of the frequency converter and reduce the magnitude of the current in the control circuits, the control winding of said magnetic amplifier and the input value of the master oscillator are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1694989A SU476643A1 (en) | 1971-08-13 | 1971-08-13 | A device for maintaining a constant voltage to frequency ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1694989A SU476643A1 (en) | 1971-08-13 | 1971-08-13 | A device for maintaining a constant voltage to frequency ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU476643A1 true SU476643A1 (en) | 1975-07-05 |
Family
ID=20487185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1694989A SU476643A1 (en) | 1971-08-13 | 1971-08-13 | A device for maintaining a constant voltage to frequency ratio |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU476643A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375612A (en) * | 1979-09-12 | 1983-03-01 | Borg-Warner Corporation | Controlled regenerative d-c power supply |
| US5146148A (en) * | 1988-11-04 | 1992-09-08 | Europe Patent Ltd. | Process and a device for changing the effective speed of a polyphase asynchronous motor and a suitable motor system for the application of the process |
-
1971
- 1971-08-13 SU SU1694989A patent/SU476643A1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375612A (en) * | 1979-09-12 | 1983-03-01 | Borg-Warner Corporation | Controlled regenerative d-c power supply |
| US5146148A (en) * | 1988-11-04 | 1992-09-08 | Europe Patent Ltd. | Process and a device for changing the effective speed of a polyphase asynchronous motor and a suitable motor system for the application of the process |
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