WO1986001949A1 - Converter device - Google Patents
Converter device Download PDFInfo
- Publication number
- WO1986001949A1 WO1986001949A1 PCT/JP1985/000524 JP8500524W WO8601949A1 WO 1986001949 A1 WO1986001949 A1 WO 1986001949A1 JP 8500524 W JP8500524 W JP 8500524W WO 8601949 A1 WO8601949 A1 WO 8601949A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- smoothing
- current
- load
- capacitors
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/1563—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators without using an external clock
Definitions
- a smoothing capacitor is provided on the DC output side of a converter section for converting AC power into DC power, and the smoothing capacitor is used as a DC power supply to supply DC power to a load. It is related to the inverter device.
- FIG. 1 is a circuit diagram showing this converter device.
- (1) is a converter that converts three-phase AC power supplied from a commercial power supply into DC power.
- (2) a), (2b) is the co damper connected in series - motor (1) smoothing co emissions Devon Sa provided to the DC output side of, (3) the smoothing co emissions Devon Sa (2 a ), (2 b) of the DC power supply DC power supply.
- (4) is a load connected in parallel to the smoothing capacitor (2 b) for example, the control circuit (FIG. (Not shown). Even if the voltage between terminals P and N of the smoothing capacitors (2a) and (2b) connected in series is 400 V, for example, the load (4) terminal of the smoothing co emissions de capacitors (2 b) to Q - said from between N A voltage lower than 400V will be input.
- the present invention has been made to solve such a problem, and an object of the present invention is to provide a comparator device capable of reliably eliminating voltage imbalance with small power loss.
- the converter device is provided with two smoothing capacitors connected in series to the DC output side of a converter section for converting AC power into DC power.
- the first load is applied in parallel to the two smoothing capacitors
- a second load is connected in parallel to one of the capacitors, and a current flowing into or out of a connection point between the two series-connected smoothing capacitors is detected, and the second load is detected.
- It is equipped with a voltage balance circuit that connects a dummy resistor in parallel with the smoothing capacitor on the side to which no load is connected.
- the dummy resistor when the current flowing into or out of the connection point of two smoothing capacitors connected in series is zero or small, the dummy resistor is disconnected from the circuit. I have. Then, for example, when the current flowing into and out of the connection point increases due to the power supply to the second load, this current increase is detected and the dummy resistance is not connected to the second load. Smoothing capacitor is connected in parallel with the smoothing capacitor so that the load resistance of the series connected smoothing capacitor is the same, that is, the load current of both smoothing capacitors is the same. Current control. For this reason, the voltage balance circuit eliminates the voltage imbalance between the terminals of the series-connected smoothing capacitors with small power loss. '
- FIG. 1 is a circuit diagram showing an embodiment of the present invention
- FIG. 2 is a circuit diagram showing a conventional converter device.
- FIG. 1 is a circuit diagram showing an embodiment of the present invention, and (1) to ( 4 ) are completely the same as the above-mentioned conventional device.
- (6) is a current detector, a smoothing co emissions Devon Sa (), the connection point Q of (2 b) It is provided on the connection path with the second load ( 4 ).
- (8) is a voltage comparator that uses the output voltage of the current-to-voltage converter (7) as one input
- the voltage comparator outputs the received conducting the second load S) (4) for smoothing not connect the co emissions Devon Sa (2 a) in parallel with the da Mi - connecting a resistor Arufaomikuron
- This is a transistor as a switching element.
- ttl) is a voltage balance composed of the above current detector (6), current-to-voltage converter), voltage comparator (8), transistor (9), dummy one resistor ⁇ ) Circuit.
- a second load (4) feeding is started for by smoothing capacitor (), drain current I from the connecting point Q of (2 b)
- the output voltage of the current-to-voltage converter ( 7 ) increases based on the detected current of the current detector (6) that detects this current
- the output to the voltage slider (S) increases. occurs via preparative run-Soo data) conducts the preparative run-g is te in response to this output, a second load (smoothing not connect 4) co emissions Devon Sa (2 a) Connect a dummy resistor (10) in parallel.
- a voltage impedance is generated between the terminals of the smoothing capacitor based on the current flowing in and out of the connection point of the smoothing capacitor connected in series. Since this is detected and a dummy resistor is connected in parallel with the smoothing capacitor on the side to which no load is connected, voltage imbalance is assured with little power loss. This has the effect of being able to solve the problem.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59195736A JPS6176069A (ja) | 1984-09-20 | 1984-09-20 | コンバ−タ装置 |
JP59/195736 | 1984-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1986001949A1 true WO1986001949A1 (en) | 1986-03-27 |
Family
ID=16346106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1985/000524 WO1986001949A1 (en) | 1984-09-20 | 1985-09-19 | Converter device |
Country Status (4)
Country | Link |
---|---|
US (1) | US4677537A (ja) |
EP (1) | EP0195822A4 (ja) |
JP (1) | JPS6176069A (ja) |
WO (1) | WO1986001949A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402059A (en) * | 1994-02-08 | 1995-03-28 | Ford Motor Company | Switching power supply operating at little or no load |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0832126B2 (ja) * | 1986-01-27 | 1996-03-27 | 三菱電機株式会社 | 回路しや断器の電源装置 |
US4816982A (en) * | 1987-11-23 | 1989-03-28 | Viteq Corporation | AC to DC power converter with integrated line current control for improving power factor |
US4943902A (en) * | 1987-11-23 | 1990-07-24 | Viteq Corporation | AC to DC power converter and method with integrated line current control for improving power factor |
US4964029A (en) * | 1988-05-18 | 1990-10-16 | Viteq Corporation | AC to DC power converter with input current waveform control for buck-boost regulation of output |
US4956600A (en) * | 1988-07-01 | 1990-09-11 | Viteq Corporation | High frequency current detector for a low frequency line |
US5159539A (en) * | 1989-08-17 | 1992-10-27 | Mitsubishi Denki Kabushiki Kaisha | High frequency DC/AC power converting apparatus |
JP2539538B2 (ja) * | 1990-09-10 | 1996-10-02 | 三菱電機株式会社 | 直流交流電力変換装置 |
JP2598163B2 (ja) * | 1990-10-16 | 1997-04-09 | 三菱電機株式会社 | 電力変換装置 |
US7839105B2 (en) * | 2006-09-26 | 2010-11-23 | Tai-Her Yang | Circuit installation capable of full voltage activation, division voltage operation and delayed breaking |
JP7431611B2 (ja) | 2020-02-19 | 2024-02-15 | 株式会社東芝 | 電力変換装置及び電源装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5228216B2 (ja) * | 1973-09-21 | 1977-07-25 | ||
JPS5421947B2 (ja) * | 1974-10-31 | 1979-08-03 | ||
JPS5540637U (ja) * | 1978-09-06 | 1980-03-15 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5228216A (en) * | 1975-08-28 | 1977-03-03 | Ricoh Co Ltd | Facsimile control system |
JPS5421947A (en) * | 1977-07-19 | 1979-02-19 | Fuaiaaransu Kougiyou Kk | Oxygen lance process in water |
JPS5540637A (en) * | 1978-09-19 | 1980-03-22 | Mitsui Petrochem Ind Ltd | Preparation of chromene |
US4275436A (en) * | 1979-08-01 | 1981-06-23 | Bell Telephone Laboratories, Incorporated | Converter bleeder circuit responsive to flux condition of filter inductor |
US4302806A (en) * | 1980-01-11 | 1981-11-24 | Exxon Research & Engineering Co. | Filter for polyphase rectifier |
JPS579264A (en) * | 1980-06-20 | 1982-01-18 | Fanuc Ltd | Discharging circuit |
DE3139066A1 (de) * | 1981-10-01 | 1983-04-14 | Johnson Service Co., Milwaukee, Wis. | Netzgeraet |
DE3311539A1 (de) * | 1982-04-02 | 1983-10-13 | Onkyo K.K., Neyagawa, Osaka | Schaltkreis fuer eine geglaettete gleichspannungsquelle |
JPS5950781A (ja) * | 1982-09-14 | 1984-03-23 | Matsushita Electric Works Ltd | 電源装置 |
-
1984
- 1984-09-20 JP JP59195736A patent/JPS6176069A/ja active Pending
-
1985
- 1985-09-19 EP EP19850904855 patent/EP0195822A4/en not_active Ceased
- 1985-09-19 WO PCT/JP1985/000524 patent/WO1986001949A1/ja not_active Application Discontinuation
-
1986
- 1986-03-19 US US06/841,228 patent/US4677537A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5228216B2 (ja) * | 1973-09-21 | 1977-07-25 | ||
JPS5421947B2 (ja) * | 1974-10-31 | 1979-08-03 | ||
JPS5540637U (ja) * | 1978-09-06 | 1980-03-15 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0195822A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402059A (en) * | 1994-02-08 | 1995-03-28 | Ford Motor Company | Switching power supply operating at little or no load |
Also Published As
Publication number | Publication date |
---|---|
US4677537A (en) | 1987-06-30 |
EP0195822A4 (en) | 1987-06-11 |
EP0195822A1 (en) | 1986-10-01 |
JPS6176069A (ja) | 1986-04-18 |
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