JPS54113056A - Control of number of phase advance capacitor - Google Patents
Control of number of phase advance capacitorInfo
- Publication number
- JPS54113056A JPS54113056A JP1906578A JP1906578A JPS54113056A JP S54113056 A JPS54113056 A JP S54113056A JP 1906578 A JP1906578 A JP 1906578A JP 1906578 A JP1906578 A JP 1906578A JP S54113056 A JPS54113056 A JP S54113056A
- Authority
- JP
- Japan
- Prior art keywords
- load
- during
- reactive power
- control
- phase advance
- 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
- Supply And Distribution Of Alternating Current (AREA)
Abstract
PURPOSE: To control phase advance capacitor by making apparent reactive power greater by multiplying its changed amount by a constant when a lagging reactive power occurred at the time of load rapid increase.
CONSTITUTION: A change in reactive power which takes place according to the change in load M is detected and then the phase advance capacitors Co to Cn are closed through the controller CTR or interrupted to control power-factor. During at least load rapid increase period, an increased load(reactive power) during one control clock is multiplied by a constant and then the quotient is added to the present load to estimate load during the next control clock. When the excess from the limit value is greater, capacitors of more than two-unit capacity are increased or decreased during one control clock, whereby period during which lagging power- factor occurs can be suppressed to a minimum.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1906578A JPS54113056A (en) | 1978-02-23 | 1978-02-23 | Control of number of phase advance capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1906578A JPS54113056A (en) | 1978-02-23 | 1978-02-23 | Control of number of phase advance capacitor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54113056A true JPS54113056A (en) | 1979-09-04 |
Family
ID=11989020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1906578A Pending JPS54113056A (en) | 1978-02-23 | 1978-02-23 | Control of number of phase advance capacitor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54113056A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5123648A (en) * | 1974-08-22 | 1976-02-25 | Fuji Electric Co Ltd | |
JPS5222137B2 (en) * | 1973-04-04 | 1977-06-15 |
-
1978
- 1978-02-23 JP JP1906578A patent/JPS54113056A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5222137B2 (en) * | 1973-04-04 | 1977-06-15 | ||
JPS5123648A (en) * | 1974-08-22 | 1976-02-25 | Fuji Electric Co Ltd |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS53120117A (en) | Excitation control system for generator | |
JPS54113056A (en) | Control of number of phase advance capacitor | |
JPS55109985A (en) | Timer unit | |
JPS52147756A (en) | Zero volt trigger method in ac load | |
JPS53103111A (en) | Generator excitation controller | |
JPS5366550A (en) | Control circuit for reactive power compensator | |
JPS5435320A (en) | Device for shunting tap converter at loading time | |
JPS5438522A (en) | Pulse width modulating inverter | |
JPS5258833A (en) | Non-interrupting power supply device | |
JPS5320531A (en) | Current type inverter | |
JPS52153480A (en) | Automatic range circuit | |
JPS5430077A (en) | Frequency-voltage converter | |
JPS5299030A (en) | Dividing operation circuit with constant divisor | |
JPS54118556A (en) | Control of numbers of phase advance capacitor | |
JPS52140850A (en) | Generator output stabilizer | |
JPS554616A (en) | Current controller | |
JPS5336654A (en) | Scr control circuit | |
JPS52100143A (en) | Insufficient voltage detector | |
JPS53103122A (en) | Pulse width modultion type inverter multiple connection | |
JPS5425659A (en) | Phase synchronous unit | |
JPS5298918A (en) | Reactive power controller of ac generator | |
JPS5346653A (en) | Phase regulator for load variation | |
JPS53135423A (en) | Transformer for reactive power compensator use | |
JPS5323053A (en) | Constant vo ltage circuit | |
JPS5299057A (en) | Pulse delay circuit |