KR940002742B1 - 무효전력 제어방식의 자동전압 제어회로 - Google Patents
무효전력 제어방식의 자동전압 제어회로 Download PDFInfo
- Publication number
- KR940002742B1 KR940002742B1 KR1019910011258A KR910011258A KR940002742B1 KR 940002742 B1 KR940002742 B1 KR 940002742B1 KR 1019910011258 A KR1019910011258 A KR 1019910011258A KR 910011258 A KR910011258 A KR 910011258A KR 940002742 B1 KR940002742 B1 KR 940002742B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- voltage
- circuit
- reactive power
- power control
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/70—Regulating power factor; Regulating reactive current or power
-
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
-
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/515—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/523—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit
- H02M7/5233—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with LC-resonance circuit in the main circuit the commutation elements being in a push-pull arrangement
-
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal 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
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/538—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters in a push-pull configuration
- H02M7/53803—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters in a push-pull configuration with automatic control of output voltage or current
- H02M7/53806—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters in a push-pull configuration with automatic control of output voltage or current in a push-pull configuration of the parallel type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
Claims (6)
- 인버터의 출력전압을 필터링하여 부하에 인가하는 로우패스필터를 포함하는 무효전력 제어회로에 있어서 상기 출력전압을 궤환시켜 가산기를 통하여 외부로부터 입력되는 기준전압과 가산시킨 후, 비례적분부에의해 그 전압차를 비례적분하는 비례적분회로와 ; 신호발생부를 통하여 입력되는 사인파를 입력으로 하여 제1 및 제2삼각파 발생부를 통하여 90°위상차를 갖는 제1 및 제2삼각파를 각각 출력하는 삼각파 출력회로와 상기 비례적분회로의 출력단에 반전단자가 접속되고, 상기 삼각파 출력회로의 출력단에 비반전 단자가 접속된 제1 및 제2비교기를 통하여 비례적분회로의 출력과 제1 및 제2삼각파를 상호 비교하는 비교회로와 상기 비교회로의 제1비교기의 출력단에 접속되어 유효전력을 제어하여 무효전력 제어회로에 제공하기 위한 인버터 및 로우패스필터와 상기 로우패스필터의 출력과 상기 비교회로의 제2비교기의 출력을 동시에 인가 받아 부하 변동에 의한 무효전력을 자동으로 제어하는 무효전력 제어회로로 구성되는 것을 특징으로 하는 무효전력 제어방식의 자동전압 제어회로.
- 제1항에 있어서, 상기 비례적분회로는 상기 무효전력 제어회로의 출력전압을 궤환시키는 궤환부와, 상기 궤환부의 출력전압과 기준전압의 합을 구하는 가산기와, 상기 가산기의 출력을 비례적분하는 비례적분부로 구성되는 무효전력 제어방식의 자동전압 제어회로.
- 제1항에 있어서, 상기 비교회로는 상기 삼각파 발생회로의 제1삼각파를 상기 비례적분회로의 출력에 비교하는 제1비교기와, 상기 삼각파 발생회로의 제2삼각파를 상기 비례적분회로의 출력에 비교하는 제2비교기로 구성되는 무효전력 제어방식의 자동전압 제어회로.
- 제1항에 있어서, 상기 무효전력 제어회로는 상기 제2비교기의 출력 및 상기 출력전압의 극성에 따라 제1 및 제2스위칭신호를 출력하는 스위칭신호 출력부와, 상기 스위칭신호에 따라 구동되어 출력전압(V0)을 제어하는 스위칭부로 구성되는 무효전력 제어방식의 자동전압 제어회로.
- 제4항에 있어서, 상기 스위칭신호 출력부는 상기 출력전압(V0)의 극성을 검출하는 극성검출기와, 상기 제1비교기의 출력에 따라 소정 펄스폭을 갖는 펄스를 출력하는 단안정 펄스 발생기와, 상기 극성 검출기 및 단안정 펄스발생기의 출력을 조합하는 제1 및 제2엔드게이트로 구성되는 무효전력 제어방식의 자동전압 제어회로.
- 제4항에 있어서, 상기 스위칭부는 상기 제1 및 제2엔드게이트 출력에 따라 구동하여 상기 인버터로부터 상기 부하에 인가되는 출력전압을 제어하는 제1 및 제2다이리스터로 구성되는 무효전력 제어방식의 자동 전압 제어회로.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910011258A KR940002742B1 (ko) | 1991-07-03 | 1991-07-03 | 무효전력 제어방식의 자동전압 제어회로 |
US07/892,156 US5349283A (en) | 1991-07-03 | 1992-06-02 | Automatic voltage control circuit by using reactive power |
TW081104414A TW197538B (ko) | 1991-07-03 | 1992-06-04 | |
JP4159289A JPH05189069A (ja) | 1991-07-03 | 1992-06-18 | 無効電力制御方式の自動電圧制御回路 |
GB9214191A GB2258060B (en) | 1991-07-03 | 1992-07-03 | Automatic voltage control circuit |
DE4221910A DE4221910B4 (de) | 1991-07-03 | 1992-07-03 | Schalteranordnung zur automatischen Spannungsregelung unter Berücksichtigung von Blindleistung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910011258A KR940002742B1 (ko) | 1991-07-03 | 1991-07-03 | 무효전력 제어방식의 자동전압 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930003510A KR930003510A (ko) | 1993-02-24 |
KR940002742B1 true KR940002742B1 (ko) | 1994-03-31 |
Family
ID=19316711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910011258A Expired - Fee Related KR940002742B1 (ko) | 1991-07-03 | 1991-07-03 | 무효전력 제어방식의 자동전압 제어회로 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5349283A (ko) |
JP (1) | JPH05189069A (ko) |
KR (1) | KR940002742B1 (ko) |
DE (1) | DE4221910B4 (ko) |
GB (1) | GB2258060B (ko) |
TW (1) | TW197538B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5610501A (en) * | 1995-02-01 | 1997-03-11 | Westinghouse Electric Corporation | Dynamic power and voltage regulator for an ac transmission line |
SE526001C2 (sv) * | 2003-09-26 | 2005-06-14 | Abb Research Ltd | System för överföring av elektrisk kraft |
CN103149847B (zh) * | 2013-01-25 | 2015-09-02 | 四川电力科学研究院 | 一种基于rtds的无功电压控制效率检测方法 |
US20200197232A1 (en) | 2017-06-19 | 2020-06-25 | Daio Paper Corporation | Absorbent article |
CN113937780A (zh) * | 2021-12-15 | 2022-01-14 | 建投遵化热电有限责任公司 | 厂外输煤电气系统电压调节方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3634748A (en) * | 1969-06-09 | 1972-01-11 | Bernhard Siegfried Rudert | Static inverter circuits |
BE756428A (fr) * | 1969-09-24 | 1971-03-01 | Western Electric Co | Convertisseur continu-continu avec regulation de tension a noyau a saturation simulee commandee |
SE348602B (ko) * | 1971-01-18 | 1972-09-04 | Asea Ab | |
US3710229A (en) * | 1971-06-11 | 1973-01-09 | Westinghouse Electric Corp | Integrator controlled inverter |
JPS51136133A (en) * | 1975-05-21 | 1976-11-25 | Fuji Electric Co Ltd | High frequency inverter |
US4356441A (en) * | 1977-06-30 | 1982-10-26 | Electric Power Research Institute, Inc. | Voltage regulator utilizing a static VAR generator with half period averaging and saturating type firing angle control |
EP0026260B1 (de) * | 1979-09-27 | 1984-03-28 | Siemens Aktiengesellschaft | Vorrichtung zum Regeln der Spannung zwischen zwei Leitern eines Wechselstromversorgungsnetzes für rasch wechselnde Last |
JPS5833930A (ja) * | 1981-08-20 | 1983-02-28 | 三菱電機株式会社 | 静止形無効電力補償方法 |
FR2561463B1 (fr) * | 1984-03-13 | 1986-09-12 | Alsthom Cgee | Dispositif de generation d'impulsions de commande de thyristors pour l'alimentation d'une inductance de reglage de la puissance reactive d'un reseau electrique |
US4638238A (en) * | 1985-10-15 | 1987-01-20 | Westinghouse Electric Corp | Switching technique for thyristor-switched capacitors to achieve network damping |
US4719402A (en) * | 1986-12-18 | 1988-01-12 | Westinghouse Electric Corp. | VAR generator system with minimal standby losses |
JPS641429A (en) * | 1987-06-23 | 1989-01-05 | Toshiba Corp | Reactive power regulator |
JPH0779530B2 (ja) * | 1988-01-05 | 1995-08-23 | 株式会社日立製作所 | 電力系統用無効電力補償装置 |
JP2526992B2 (ja) * | 1988-05-30 | 1996-08-21 | 三菱電機株式会社 | 交流出力変換器の並列運転システム |
-
1991
- 1991-07-03 KR KR1019910011258A patent/KR940002742B1/ko not_active Expired - Fee Related
-
1992
- 1992-06-02 US US07/892,156 patent/US5349283A/en not_active Expired - Lifetime
- 1992-06-04 TW TW081104414A patent/TW197538B/zh active
- 1992-06-18 JP JP4159289A patent/JPH05189069A/ja active Pending
- 1992-07-03 DE DE4221910A patent/DE4221910B4/de not_active Expired - Lifetime
- 1992-07-03 GB GB9214191A patent/GB2258060B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4221910B4 (de) | 2004-09-02 |
US5349283A (en) | 1994-09-20 |
TW197538B (ko) | 1993-01-01 |
GB2258060B (en) | 1995-03-22 |
JPH05189069A (ja) | 1993-07-30 |
GB2258060A (en) | 1993-01-27 |
KR930003510A (ko) | 1993-02-24 |
GB9214191D0 (en) | 1992-08-12 |
DE4221910A1 (de) | 1993-01-14 |
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