CN101482587B - Switching detector of reactive compensator - Google Patents
Switching detector of reactive compensator Download PDFInfo
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- CN101482587B CN101482587B CN 200810244347 CN200810244347A CN101482587B CN 101482587 B CN101482587 B CN 101482587B CN 200810244347 CN200810244347 CN 200810244347 CN 200810244347 A CN200810244347 A CN 200810244347A CN 101482587 B CN101482587 B CN 101482587B
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- phase
- current
- power factor
- reactive compensator
- monitoring form
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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
- Y02E40/30—Reactive power compensation
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention provides a switching detector of reactive compensator, which is composed of a phase shifter, a current regulator, a current generator, a power factor monitoring meter and a current monitoring meter. Each phase shifter is respectively connected with each phase current regulator; one outgoing line of each phase current generator is respectively connected with each homogeneous phase power factor monitoring meter, the other outgoing line of each phase current generator is respectively connected with each homogeneous phase current monitoring meter; the voltage and the current outputs of the detector are respectively connected with the voltage and the current inputs of the reactive compensator controller. The invention simulates the three-phase power factor variation signal in electric network operation, provides the power factor information source for the production plant of the reactive compensator, is convenient for the production plant to perform the capacitor set switching checkout during producing, and can determine whether the switching index can satisfy the requirement or not, the product outgoing quality is improved, the work amount of the reactive compensator can be reduced when network operating, the reactive compensator can be in right-time switching operating status, the actual reactive requirement of the electric network can be conformed. The invention has small volume, light weight, convenient carrying and is suitable for detection tests under different conditions.
Description
Technical field
The present invention relates to the energy-efficient equipment reactive power compensator of electric system, particularly a kind of switching detector of reactive compensator.
Background technology
Reactive power compensator, because of having wastage reducing and energy saving, systems stabilisation voltage improves the function of the quality of power supply, uses very general in electric system.Use this device and need gather any voltage and current of power network line incessantly, size of operational analysis reactive power or power factor (being the leading or hysteretic state of phase place) and voltage height, and adopt the reactive-load compensation of capacitor group.When each parameter met the input setting value, the compensation condenser group then put into operation; When each parameter reached the setting value of excision, then the compensation condenser group was just out of service.Therefore, the switching index of this device is to differentiate the important indicator of weighing its performance.But, produce the signal source of the enterprise of reactive power compensator, so can't when producing, carry out the detection of switching index to product in default of power factor of electric network.Reactive power compensator only in the long period of hanging net operation, could determine whether the switching element work of this device is reliable, and whether the switching index meets the requirements.To this, the both sides of supply and demand of this device also can't be judged the quality of product switching index before the Chang Yinwei hanging net operation and produce dispute.
Summary of the invention
The present invention is directed to above-mentioned existing problems, a kind of switching detector of reactive compensator has been proposed, purpose is to make this detector just can not carry out the switching check of capacitor group to device before reactive power compensator dispatches from the factory, determine the duty of switching components and parts, improve the ex factory pass rate of reactive power compensator product.
Technical solution of the present invention:
Instrument of the present invention is mainly by phase shifter, current regulator, current feedback circuit, power factor monitoring form, and current surveillance table, phaseswitch, voltage, current output terminal are formed, and each assembly is installed in the casing.Wherein phase shifter comprises AC phase, BA phase, CB phase phase shifter respectively; Current regulator comprises A phase, B phase, C phase current regulator respectively; Current feedback circuit comprises A phase, B phase, C phase current generator respectively; The power factor monitoring form comprises A phase, B phase, C phase power factor monitoring form respectively; The current surveillance table comprises A phase, B phase, C phase current monitoring form respectively.The phase shifter of AC phase, BA phase, CB phase respectively with A mutually, B phase, C phase current regulator be connected; An outlet of A phase, B phase, C phase current generator is connected with homophase power factor monitoring form respectively, and another root outlet is connected with the current surveillance table of homophase respectively; Each phase current regulator is equipped with many grades of Current Regulation selector switch, and an outlet of the current feedback circuit of each phase is connected with one of many grades of Current Regulation selector switch of each phase current regulator respectively.The voltage and current output of instrument of the present invention is connected with the voltage and current input of reactive compensator controller respectively.
Beneficial effect of the present invention:
(1) principle of the present invention is a three-phase activity coefficient variable signal in the analog electrical network operation, for the factory of reactive power compensator provides the power factor information source, be convenient to manufacturer and when producing, just can carry out the check of capacitor group switching, determine that whether the switching index meets the requirements, and has improved the quality of finished product.
(2) in after the present invention need not wait for the reactive power compensator hanging net operation long period, could determine whether the switching index meets the requirements, the workload of having debugged when having reduced the reactive power compensator hanging net operation, make its works fine state that can be in good time switching, guarantee to meet the actual reactive requirement of electrical network.
(3) phase shifter of the present invention adopts the electromagnetic type manufacturing technology, waveform is undistorted, the power factor precision height of indication, power factor adjusting and electric current output range of adjustment are wide, the three-phase current signal power factor of simulation can be regulated arbitrarily in leading 0.5～1.0～0.5 scope that lags behind, and can satisfy producer and user reactive power compensator different loads demand is tested.
(4) the present invention both can be used as the three-phase test of the reactive power compensator of apotype altogether, also can be used as three-phase branch apotype, the test experience that is total to, divides the mixed type reactive power compensator.
(5) instrument volume of the present invention is little, in light weight, easy to carry, simple and practical, is suitable for doing the detection test of different occasions.
Description of drawings
Accompanying drawing is each electrical component syndeton synoptic diagram of the present invention.
Embodiment
As shown in the figure, in the electrical schematic diagram of the present invention, know to have shown that phase shifter comprises AC phase phase shifter 4, BA phase phase shifter 5, CB phase phase shifter 6.Current regulator comprises A phase current regulator 7, B phase current regulator 8, C phase current regulator 9 respectively.Current feedback circuit comprises A phase current generator 10, B phase current generator 11, C phase current generator 12.The power factor monitoring form comprises A phase power factor monitoring form 13, B phase power factor monitoring form 14, C phase power factor monitoring form 15; The current surveillance table comprises A phase current monitoring form 16, B phase current monitoring form 17, C phase current monitoring form 18.The output of the electric current of A phase is 19, the B phase current is output as 20, the C phase current is output as 21.A, B, C, N are that electric power incoming line terminal, 1,2,3 is each phase power switch, and A ', B ', C ', N ' are voltage output end.
In addition: phase shifter method for making of the present invention is, the round barrel shape iron core that is rolled into the permeability magnetic material siliconized plate, the coiling 400V coil of wire, paint-dipping drying on the iron core, on the axial direction of coil, grind conductive strips, movably carbon brush is installed on conductive strips, carbon brush can move to the other end by the end along conductive strips from coil, thereby realizes the variation of phase place.Current regulator of the present invention is to select for use the iron core of 10W left and right sides transformer as the current regulator iron core, and coil is made the auto-coupling transformer, and coiling is the back paint-dipping drying well.Lift one's head from the lotus root coil voltage and to be divided into 5A, 4A, 3A, 2A, 1A, 800mA, 500mA, a 200mA shelves level, be connected with current regulating switch, current regulating switch selectively is connected with current feedback circuit.
Below in conjunction with accompanying drawing, the annexation and the course of work of above-mentioned each assembly chatted in letter:
Be example (BA phase, CB phase can in like manner be inferred) explanation now with AC phase phase shifter 4.One end of this AC phase shifter connects power supply A phase input terminal, and the other end connects C phase input terminal, and its voltage signal connects with A current regulator mutually.When regulating phasing degree (phase shifter 4 ← move) between mutually of A, C, current regulator work, A phase current generator can produce the current signal of phase angle difference, because of outlet of A phase current generator and A mutually the power factor monitoring form link to each other, the power factor monitoring form can be according to the angular difference before and after the phase shifter phase shift, show the numerical value that power factor is leading or lag behind, again by regulating the phase shifter phasing degree, the numerical value that the shown power factor of this phase is suited the requirements.The Current Regulation current values of described each phase current regulator is 5A, 4A, 3A, 2A, 1A, 800mA, 500mA, 200mA shelves.
An outlet of current feedback circuit of the present invention is connected with the current terminal of power factor meter, and another root outlet is connected with the current surveillance table.The outlet current terminal of power factor monitoring form is each electric current output 19,20,21 mutually of instrument of the present invention with current surveillance table electric current leading-out terminal.The voltage outlet of power factor monitoring form and each power lead connection mutually are voltage output A ', B ', C ', N '.Voltage output and electric current are exported respectively and the voltage inlet wire of reactive compensator controller be connected with the electric current inlet wire (employing docking apparatus).And whole instrument debugged installation.
When the present invention uses, connect the electric power incoming line of instrument, with the voltage of instrument, electric current output is connected with voltage, the electric current inlet wire of reactive compensator controller, adjusts the knob (being that carbon brush moves) of phase shifter then, makes power factor adjust to index value.At this moment the leading or delay signal instruction of the reactive power compensator power factor that just can provide according to instrument, switching element capacitor group just drops into or excises action.The current selected switch of current regulator can be adjusted different current values, with the experiment of the switching under the different loads state of finishing reactive power compensator in workshop, reaches goal of the invention of the present invention.
Claims (3)
1. switching detector of reactive compensator, it is characterized in that: it is mainly by phase shifter, current regulator, current feedback circuit, power factor monitoring form, current surveillance table, phaseswitch, voltage, current output terminal are formed, and described phase shifter comprises AC phase, BA phase, CB phase phase shifter respectively; Current regulator comprises A phase, B phase, C phase current regulator respectively; Current feedback circuit comprises A phase, B phase, C phase current generator respectively; The power factor monitoring form comprises A phase, B phase, C phase power factor monitoring form respectively; The current surveillance table comprises A phase, B phase, C phase current monitoring form respectively, wherein, the phase shifter of AC phase, BA phase, CB phase respectively with A mutually, B phase, C phase current regulator be connected; An outlet of A phase, B phase, C phase current generator is connected with homophase power factor monitoring form respectively, and another root outlet is connected with the current surveillance table of homophase respectively; Each phase current regulator is equipped with many grades of Current Regulation selector switch, an inlet wire of the current feedback circuit of each phase is connected with one of many grades of Current Regulation selector switch of each phase current regulator respectively, and many grades of Current Regulation current values of described each phase current regulator are 5A, 4A, 3A, 2A, 1A, 800mA, 500mA, 200mA shelves;
Each phase power factor monitoring form is according to the phase angle difference before and after the described phase shifter phase shift, show the numerical value that each phase power factor is leading or lag behind, again by regulating described phase shifter phasing degree, the numerical value that the shown power factor of each phase power factor monitoring form is suited the requirements;
The electric current outlet of each phase power factor monitoring form and each phase current monitoring form electric current outlet each electric current output mutually as described switching detector of reactive compensator;
The voltage inlet wire of each phase power factor monitoring form and each power lead mutually connect, and as the voltage output of each phase of described switching detector of reactive compensator;
The voltage of described switching detector of reactive compensator, electric current output are connected with the voltage and current input of reactive compensator controller respectively.
2. switching detector of reactive compensator according to claim 1, it is characterized in that: described phase shifter is the round barrel shape iron core that is rolled into the permeability magnetic material siliconized plate, the coiling 400V coil of wire is provided with conductive strips on the iron core on the axial direction of coil, and movably carbon brush is installed on conductive strips.
3. switching detector of reactive compensator according to claim 1 is characterized in that: described current regulator be iron core with the 10W transformer as the current regulator iron core, and be the auto-coupling transformer with coil winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810244347 CN101482587B (en) | 2008-11-28 | 2008-11-28 | Switching detector of reactive compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810244347 CN101482587B (en) | 2008-11-28 | 2008-11-28 | Switching detector of reactive compensator |
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| Publication Number | Publication Date |
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| CN101482587A CN101482587A (en) | 2009-07-15 |
| CN101482587B true CN101482587B (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810244347 Expired - Fee Related CN101482587B (en) | 2008-11-28 | 2008-11-28 | Switching detector of reactive compensator |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713803B (en) * | 2009-12-07 | 2012-05-23 | 河南省电力公司许昌供电公司 | Portable resistor-type current phase shifter |
| CN104101787A (en) * | 2013-04-03 | 2014-10-15 | 镇江海贝信息科技有限公司 | Portable low-voltage reactive compensation standard detection system and detection method |
| CN104638660A (en) * | 2014-12-09 | 2015-05-20 | 遵义市产品质量检验检测院 | Processing program for automatic switching experiment device of capacitor compensation cabinet |
| CN106885953B (en) * | 2015-12-16 | 2019-07-30 | 中国二十冶集团有限公司 | The adjustment method of automatic reactive compensated controller |
| CN109696571B (en) * | 2017-10-24 | 2020-12-11 | 王万俊 | Full-angle phase current generator |
| CN109917222B (en) * | 2019-03-06 | 2020-12-18 | 湖北工业大学 | Device and method for comprehensive online monitoring and health state diagnosis of capacitor assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030391U (en) * | 1988-04-05 | 1989-01-04 | 龚秋声 | Automatic controller used for reactive compensator |
| CN2036327U (en) * | 1988-03-29 | 1989-04-19 | 尹杰良 | Non-compensation condenser automatic on and off device |
| CN1571229A (en) * | 2004-04-29 | 2005-01-26 | 江苏省电力公司泰州供电公司 | Switching fault detection control device for compensation capacitance |
| CN201069857Y (en) * | 2007-03-06 | 2008-06-04 | 天津市普辰电子工程有限公司 | Offline detection device for passive automatic compensation electric-controlled device |
| CN201314937Y (en) * | 2008-11-28 | 2009-09-23 | 王万俊 | Passive compensation device switching detector |
-
2008
- 2008-11-28 CN CN 200810244347 patent/CN101482587B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036327U (en) * | 1988-03-29 | 1989-04-19 | 尹杰良 | Non-compensation condenser automatic on and off device |
| CN2030391U (en) * | 1988-04-05 | 1989-01-04 | 龚秋声 | Automatic controller used for reactive compensator |
| CN1571229A (en) * | 2004-04-29 | 2005-01-26 | 江苏省电力公司泰州供电公司 | Switching fault detection control device for compensation capacitance |
| CN201069857Y (en) * | 2007-03-06 | 2008-06-04 | 天津市普辰电子工程有限公司 | Offline detection device for passive automatic compensation electric-controlled device |
| CN201314937Y (en) * | 2008-11-28 | 2009-09-23 | 王万俊 | Passive compensation device switching detector |
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| CN101482587A (en) | 2009-07-15 |
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