CN1571229A - Switching fault detection control device for compensation capacitance - Google Patents
Switching fault detection control device for compensation capacitance Download PDFInfo
- Publication number
- CN1571229A CN1571229A CNA2004100147816A CN200410014781A CN1571229A CN 1571229 A CN1571229 A CN 1571229A CN A2004100147816 A CNA2004100147816 A CN A2004100147816A CN 200410014781 A CN200410014781 A CN 200410014781A CN 1571229 A CN1571229 A CN 1571229A
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- China
- Prior art keywords
- building
- signal
- out capacitor
- voltage
- fling
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 33
- 239000000523 sample Substances 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 2
- 230000001447 compensatory effect Effects 0.000 abstract 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
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- 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
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- 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]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention discloses a compensatory capacitance switch trouble detection control device applied to low voltage reactive power compensator, including: sampling circuit to sample end voltage of the compensatory capacitance and output the voltage signal to voltage converter, multichannel switch, logic operator, driving circuit and executing unit, and it real-timely collects the end voltage of the compensatory capacitance to compare with triggering signal of silicon controlled rectifier or contactor: as they do not meet circuit logic relationship, judge this is a switch trouble, the logic operator sends signal to make one relay of the executing unit work so as to cause the trip of breaker connected in series in compensatory capacitance switching circuit, thus cutting off the compensatory capacitance from the electric network. Therefore, the invention can detect the trouble caused by silicon controlled rectifier short circuiting or contactor contact adhesion, and cut off the compensatory capacitance after the above trouble occurs.
Description
Affiliated technical field
The present invention relates to a kind of building-out capacitor fling-cut switch fault detect control device that is applied in the low-voltage reactive compensator capable.
Background technology
Existing low-voltage reactive power automatic compensation device most insufficiency, particularly security reliability are not high on the domestic market at present, bring serious threat for user's electrical appliance.Because controllable silicon short circuit or probe of contactor adhesion are delivered directly on electrical network electric capacity one, when line voltage raises, the requirement building-out capacitor cuts off, but because above-mentioned Fault Compensation electric capacity can not cut off, make line voltage higher, burn out a lot of power consumption equipments of user quickly, caused very large economy loss and bad social influence.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and a kind of fling-cut switch fault detect control device of building-out capacitor is provided, and it can detect the fault that controllable silicon short circuit or probe of contactor adhesion cause, and is occurring cutting off building-out capacitor after the above-mentioned fault.
In order to realize above-mentioned purpose, solution of the present invention is: a kind of fling-cut switch fault detect control device of building-out capacitor, it comprises sample circuit, voltage changer, variable connector, logical-arithmetic unit, drive circuit, performance element, described sample circuit, the terminal voltage of building-out capacitor and voltage signal exported is used to sample;
Described voltage changer is used for the analog voltage signal that sampling obtains is transformed into light current switching value signal and output;
Described variable connector is used for one road signal of gate voltage converter output and with its output;
Described logical-arithmetic unit is used for signal that variable connector is sent into and carries out logic determines with the triggering signal of the trigger of control switching building-out capacitor, sends actuating signal when the fling-cut switch fault occurring and being controllable silicon short circuit or probe of contactor adhesion;
Described drive circuit, the actuating signal that is used for logical-arithmetic unit is sent is amplified output;
Described performance element is used to the actuating signal accepting to amplify, during the fling-cut switch short circuit building-out capacitor is excised from electrical network.
Described performance element be relay and be serially connected in building-out capacitor and three-phase power line between circuit breaker form, described relay is accepted the actuating signal that drive circuit sends, when move the contact signal is issued to the shunt opening coil of circuit breaker, the signalizing activity that the shunt opening coil acknowledging relay contact of described circuit breaker is sent and tripping excises building-out capacitor from electrical network.Described logical-arithmetic unit is a microprocessor, and microprocessor can be simultaneously as the trigger of controlling the switching building-out capacitor.Described logical-arithmetic unit is an XOR gate.
The invention has the beneficial effects as follows: it utilizes sample circuit to gather the terminal voltage at building-out capacitor two ends, be transformed into the light current switching value through voltage changer, carry out logical operation with the triggering signal of controllable silicon, contactor, determine whether controllable silicon, probe of contactor exist fault.If the terminal voltage situation of triggering signal and building-out capacitor matches, illustrate that then switching does not have fault, if both situations are inconsistent, when being described, this cut-out building-out capacitor do not cut off, there is the fling-cut switch fault.Therefore adopt the present invention can detect the fault that controllable silicon short circuit or probe of contactor adhesion cause, and, avoided occurring accident occurring to cut off building-out capacitor after the above-mentioned fault.
Description of drawings
Fig. 1 is the theory diagram of an embodiment of the present invention
Fig. 2 is the circuit theory diagrams of an embodiment of the present invention
Fig. 3 is the circuit theory diagrams of the low-voltage reactive compensator capable of an embodiment of the present invention application
Fig. 4 is the circuit theory diagrams of another kind of embodiment of the present invention
Embodiment
Embodiment one: according to Fig. 1, Fig. 2 and shown in Figure 3, present embodiment is the fling-cut switch fault detect control device that is applied to have in the low-voltage reactive compensator capable of three grades of compensation capacities.It comprises sample circuit, voltage changer, variable connector, logical-arithmetic unit, drive circuit, performance element.Sample circuit be used to the to sample terminal voltage of building-out capacitor and with voltage signal output, present embodiment is realized signal sampling with 9 tunnel identical sample circuits, and the structure of No. one sample circuit only is shown among Fig. 2, is attempted by capacitor CC1A two ends by R20 and R21.Every road sampled signal is transformed into light current switching value signal and output through U1～U9 voltage changer with analog voltage signal respectively.Voltage changer is the optical coupling isolated converter.The signal of every road voltage changer output is sent into variable connector, and variable connector is 16 the tunnel to select 1 the tunnel, and its model is CD4067.Variable connector gating one road voltage signal and export it to microprocessor under the control of microprocessor, microprocessor is logical-arithmetic unit, the triggering signal that send the signal that variable connector is sent into and it is carried out logical operation, when detected signal and triggering signal are inconsistent, the fling-cut switch fault promptly appears, send actuating signal, after amplifying, drive circuit ULN2003 exports to performance element, performance element be relay J 1 and be serially connected in building-out capacitor and three-phase power line between circuit breaker form, described relay J 1 is accepted the actuating signal that drive circuit sends and is got, its normally opened contact closure, the shunt opening coil of circuit breaker gets, circuit breaker trip excises building-out capacitor from electrical network.
Embodiment two: according to shown in Figure 4, it is an another embodiment of the present invention, and it adopts discrete component to realize the voltage sample and the fling-cut switch fault detect control at electric capacity two ends.Only provide No. one sample circuit and subsequent treatment control circuit among the figure.Be attempted by capacitor CC1A two ends by R25 and R26 and constitute sample circuit, sampled signal is transformed into light current switching value signal with analog voltage signal and exports logical-arithmetic unit to through the optical coupling voltage changer.Another of logical-arithmetic unit is input as the silicon controlled triggering signal.In the present embodiment, logical-arithmetic unit is an XOR gate.When triggering signal was low level " 0 ", controllable silicon did not have conducting, and the voltage at capacitor C C1A two ends should be low level.When sample circuit detects its both end voltage for " 1 ", illustrate that then controllable silicon is short-circuited, XOR gate output high level " 1 ", relay J 1 gets electric, the contact action, the shunt opening coil of circuit breaker gets electric and trips, and C1A excises from electrical network with capacitor C.
Claims (4)
1, a kind of fling-cut switch fault detect control device of building-out capacitor is characterized in that it comprises:
Sample circuit, the terminal voltage of building-out capacitor and voltage signal exported is used to sample;
Voltage changer is used for the analog voltage signal that sampling obtains is transformed into light current switching value signal and output;
Variable connector is used for one road signal of gate voltage converter output and with its output;
Logical-arithmetic unit is used for signal that variable connector is sent into and carries out logic determines with the triggering signal of the trigger of control switching building-out capacitor, sends actuating signal when the fling-cut switch fault occurring and being controllable silicon short circuit or probe of contactor adhesion;
Drive circuit, the actuating signal that is used for logical-arithmetic unit is sent is amplified output;
Performance element is used to the actuating signal accepting to amplify, during the fling-cut switch short circuit building-out capacitor is excised from electrical network.
2, the fling-cut switch fault detect control device of building-out capacitor according to claim 1, it is characterized in that performance element be relay and be serially connected in building-out capacitor and three-phase power line between circuit breaker form, described relay is used to accept the actuating signal that drive circuit sends, when move the contact signal is issued to the shunt opening coil of circuit breaker, the signalizing activity that the shunt opening coil acknowledging relay contact of described circuit breaker is sent and tripping excises building-out capacitor from electrical network.
3, the fling-cut switch fault detect control device of building-out capacitor according to claim 1 is characterized in that logical-arithmetic unit is a microprocessor, and microprocessor can be simultaneously as the trigger of controlling the switching building-out capacitor.
4, the fling-cut switch fault detect control device of building-out capacitor according to claim 1 is characterized in that logical-arithmetic unit is an XOR gate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100147816A CN100350693C (en) | 2004-04-29 | 2004-04-29 | Switching fault detection control device for compensation capacitance |
| PCT/CN2004/000819 WO2005107034A1 (en) | 2004-04-29 | 2004-07-16 | A fault detection and control apparatus for a switch ofa compensation capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100147816A CN100350693C (en) | 2004-04-29 | 2004-04-29 | Switching fault detection control device for compensation capacitance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1571229A true CN1571229A (en) | 2005-01-26 |
| CN100350693C CN100350693C (en) | 2007-11-21 |
Family
ID=34478595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100147816A Expired - Lifetime CN100350693C (en) | 2004-04-29 | 2004-04-29 | Switching fault detection control device for compensation capacitance |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100350693C (en) |
| WO (1) | WO2005107034A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440680C (en) * | 2006-02-17 | 2008-12-03 | 江苏现代电力电容器有限公司 | Switching low-voltage comprehensive switch of electric power capacitor |
| CN100445073C (en) * | 2006-08-02 | 2008-12-24 | 浙江大学 | Device for alarming and testing adhesion of contacts of mould closing signal for manipulator of injection machine |
| CN101895086A (en) * | 2009-05-18 | 2010-11-24 | 叶晓燕 | Automatic reclosing switch of thyristor |
| CN101673736B (en) * | 2009-09-25 | 2012-11-14 | 上海宏力半导体制造有限公司 | Method for compensating voltage modulation effect of capacitor |
| CN101482587B (en) * | 2008-11-28 | 2013-07-24 | 王万俊 | Switching detector of reactive compensator |
| CN106526477A (en) * | 2016-12-29 | 2017-03-22 | 重庆市渝展电气有限公司 | Multi-path switch state monitoring circuit |
| CN108226747A (en) * | 2017-11-30 | 2018-06-29 | 北京康拓科技有限公司 | A kind of dynamic circuit failure on-line detecting method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958552B (en) * | 2010-09-28 | 2013-03-20 | 北京鼎英科技有限公司 | Drive control device of high-speed switch of silicon controlled switched capacitor |
| CN105717445B (en) * | 2014-11-30 | 2023-08-08 | 上海航空电器有限公司 | Switching value acquisition circuit with error detection function and acquisition method |
| CN109802402B (en) * | 2019-03-06 | 2022-08-16 | 湖北工业大学 | Intelligent reactive compensation capacitor monitoring and cyclic scheduling method |
| CN110412392B (en) * | 2019-09-10 | 2024-04-02 | 珠海市可利电气有限公司 | Reactive compensation automatic switching detection device and detection method thereof |
| CN113900000A (en) * | 2021-11-10 | 2022-01-07 | 上海希形科技有限公司 | Automatic calibration and test device for thyristor flinger and working method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63116650A (en) * | 1987-04-17 | 1988-05-20 | Hoshizaki Electric Co Ltd | Driving mechanism |
| CN2036327U (en) * | 1988-03-29 | 1989-04-19 | 尹杰良 | Non-compensation condenser automatic on and off device |
| JPH0715875A (en) * | 1993-06-24 | 1995-01-17 | Toshiba Corp | Controller for reactive power compensator |
| CN2295288Y (en) * | 1997-03-28 | 1998-10-21 | 重庆亚能电器有限责任公司 | Reactive power automatic compensating box for civil buildings |
| CN2328045Y (en) * | 1997-12-31 | 1999-07-07 | 范振亭 | High voltage reactive compensation intellectual device |
| CN2537165Y (en) * | 2002-04-19 | 2003-02-19 | 张跃 | Unitary automatic reactive and distribution compensator on post |
| CN2574278Y (en) * | 2002-09-16 | 2003-09-17 | 深圳市力量电能技术有限公司 | Intelligent throw-over surge-lesls dynamic reactive compensation system |
-
2004
- 2004-04-29 CN CNB2004100147816A patent/CN100350693C/en not_active Expired - Lifetime
- 2004-07-16 WO PCT/CN2004/000819 patent/WO2005107034A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440680C (en) * | 2006-02-17 | 2008-12-03 | 江苏现代电力电容器有限公司 | Switching low-voltage comprehensive switch of electric power capacitor |
| CN100445073C (en) * | 2006-08-02 | 2008-12-24 | 浙江大学 | Device for alarming and testing adhesion of contacts of mould closing signal for manipulator of injection machine |
| CN101482587B (en) * | 2008-11-28 | 2013-07-24 | 王万俊 | Switching detector of reactive compensator |
| CN101895086A (en) * | 2009-05-18 | 2010-11-24 | 叶晓燕 | Automatic reclosing switch of thyristor |
| CN101673736B (en) * | 2009-09-25 | 2012-11-14 | 上海宏力半导体制造有限公司 | Method for compensating voltage modulation effect of capacitor |
| CN106526477A (en) * | 2016-12-29 | 2017-03-22 | 重庆市渝展电气有限公司 | Multi-path switch state monitoring circuit |
| CN106526477B (en) * | 2016-12-29 | 2023-05-12 | 重庆市渝展电气有限公司 | Multi-way switch state monitoring circuit |
| CN108226747A (en) * | 2017-11-30 | 2018-06-29 | 北京康拓科技有限公司 | A kind of dynamic circuit failure on-line detecting method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005107034A1 (en) | 2005-11-10 |
| CN100350693C (en) | 2007-11-21 |
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Owner name: JIANGSU ELECTRIC POWER COMPANY Free format text: FORMER OWNER: JIANGSU ANFANG ELECTRIC TECHNOLOGY CO., LTD. Effective date: 20121224 Owner name: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPL Free format text: FORMER OWNER: JIANGSU ELECTRIC POWER COMPANY Effective date: 20121224 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: TAIZHOU POWER SUPPLY CO. OF JIANGSU ELECTRIC POWER CO. Effective date: 20121224 |
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Free format text: CORRECT: ADDRESS; FROM: 225300 TAIZHOU, JIANGSU PROVINCE TO: 100031 XICHENG, BEIJING |
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| CP01 | Change in the name or title of a patent holder |
Address after: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee after: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee after: JIANGSU ANFANG ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee before: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee before: Taizhou Anfang Electric Technology Co.,Ltd. Address after: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee after: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee after: Taizhou Anfang Electric Technology Co.,Ltd. Address before: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee before: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee before: TAIZHOU SUYUAN KEDIAN Co.,Ltd. Address after: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee after: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee after: TAIZHOU SUYUAN KEDIAN Co.,Ltd. Address before: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee before: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee before: Taizhou Suyuan Group Kedian Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121224 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee after: JIANGSU ANFANG ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: JIANGSU ELECTRIC POWER Co. Effective date of registration: 20121224 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: JIANGSU ELECTRIC POWER Co. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: JIANGSU ANFANG ELECTRIC POWER TECHNOLOGY Co.,Ltd. Effective date of registration: 20121224 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: JIANGSU ANFANG ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 225300 Phoenix West Road, Jiangsu, Taizhou, No. 2 Patentee before: JIANGSU ELECTRIC POWER COMPANY TAIZHOU POWER SUPPLY Co. Patentee before: JIANGSU ANFANG ELECTRIC POWER TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20071121 |
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| CX01 | Expiry of patent term |