CN201937273U - Automatic compensating device for checking large-capacity current transformer - Google Patents
Automatic compensating device for checking large-capacity current transformer Download PDFInfo
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- CN201937273U CN201937273U CN2010206853611U CN201020685361U CN201937273U CN 201937273 U CN201937273 U CN 201937273U CN 2010206853611 U CN2010206853611 U CN 2010206853611U CN 201020685361 U CN201020685361 U CN 201020685361U CN 201937273 U CN201937273 U CN 201937273U
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- contactor
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- 239000003990 capacitor Substances 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000012795 verification Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000035876 healing Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 208000033999 Device damage Diseases 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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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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Abstract
本实用新型涉及一种大容量电流互感器校验用自动补偿装置，包括自愈式无功补偿电容器、带放电功能的交流接触器、电压信号传感器、电流信号传感器、逻辑控制器；所述自愈式无功补偿电容器有多组相互并联连接；所述电压信号传感器、电流信号传感器分别与逻辑控制器相连；所述交流接触器与逻辑控制器相连；所述交流接触器与自愈式无功补偿电容器相连；本实用新型的大容量电流互感器校验用自动补偿偿装置将配备了十二组大容量的高效率带自愈式专用无功补电容器与可编程的控制器相结合，自动判断试验回路的功率因数并逻辑控制投切的电容器的组数以达到全自动自适应跟踪补偿无功损耗的效果。
The utility model relates to an automatic compensation device for large-capacity current transformer calibration, comprising a self-healing reactive power compensation capacitor, an AC contactor with a discharge function, a voltage signal sensor, a current signal sensor, and a logic controller; There are multiple sets of healing reactive power compensation capacitors connected in parallel; the voltage signal sensor and current signal sensor are respectively connected to the logic controller; the AC contactor is connected to the logic controller; the AC contactor is connected to the self-healing The power compensation capacitor is connected; the automatic compensation device for large-capacity current transformer calibration of the utility model is equipped with twelve groups of large-capacity high-efficiency self-healing special reactive power compensation capacitors combined with a programmable controller, Automatically judge the power factor of the test circuit and logically control the number of switched capacitor groups to achieve the effect of fully automatic adaptive tracking compensation for reactive power loss.
Description
Technical field
The utility model relates to a kind of autocompensation installation, particularly a kind of site error verification test that is used for power current transformer, autocompensation installation to the reactive loss in strong current generator and verification loop carries out the full-automatic tracking compensation belongs to the electrical Instrument technology field.
Background technology
When existing metrological service carries out the on-site proving verification to the power current transformer of electric power networks, the power factor of big electrical current generation system is lower, cause the input power supply capacity of whole current mutual inductor on site check system excessive, thereby cause the scene can't provide required power supply capacity maybe can't reach the required primary current value of verification; And the increase that equipment such as required power supply, power line, switch also will be directly proportional along with its volume weight of increase of power supply capacity etc., thereby cause execute-in-place more loaded down with trivial details.Existing power current transformer carries out the on-site proving verification and is to use strong current generator serial connection standard current transformer and tested current transformer to constitute big electric current primary circuit, and judge manually that by many groups fixed capacitor compensation is on the low side because of the factors such as circumstance complication at verification loop band inductive load and verification scene cause the test loop power factor (PF) to be perception, to improve the power factor (PF) of test loop.And the inductive load of test loop and power factor change with the variation of verification electric current, therefore use the fixing capacitors of many groups to compensate the test loop effectively.
The utility model content
The utility model purpose is to have proposed a kind of site error verification test that is used for power current transformer, the autocompensation installation that the reactive loss in strong current generator and verification loop is carried out the full-automatic tracking compensation in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of big capacity current transformer verification autocompensation installation comprises self-healing reactive-load compensation capacitor, the A.C. contactor of belt discharge function, voltage signal sensor, current signal sensor, logic controller; Described self-healing reactive-load compensation capacitor has many groups and connection parallel with one another; Described voltage signal sensor, current signal sensor link to each other with logic controller respectively; Described A.C. contactor links to each other with logic controller; Described A.C. contactor links to each other with the self-healing reactive-load compensation capacitor; Described voltage signal sensor and current signal sensor, the line parameter circuit value of test loop is inputed to logic controller, judge the capacity of required compensation and output control signals to the switching combination that A.C. contactor is controlled the self-healing reactive-load compensation capacitor by logic controller, thereby realize full-automatic reactive power compensation the test loop.
Preferably, described self-healing reactive-load compensation capacitor has 12 groups, is connected in parallel mutually.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage:
Big capacity current transformer of the present utility model verification will be equipped with the special-purpose idle benefit capacitors of 12 groups of jumbo high efficiency band self-healings with autocompensation installation and combine with programmable controller, and the group number of capacitor of judging the power factor of test loop and logic control switching automatically is to reach the effect of full-automatic adaptive tracing compensating reactive power loss.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1 is the stereogram of big capacity current transformer verification of the present utility model with autocompensation installation;
Fig. 2 is the stereogram (remove loam cake) of big capacity current transformer of the present utility model verification with autocompensation installation;
Wherein: 1, logic controller; 2, A.C. contactor; 3, self-healing reactive-load compensation capacitor; 4, current signal sensor; 5, voltage signal sensor.
Embodiment
Below in conjunction with accompanying drawing the utility model is described.
Be depicted as a kind of big capacity current transformer verification autocompensation installation described in the utility model as accompanying drawing 1,2, comprise A.C. contactor (2), voltage signal sensor (5), current signal sensor (4), the logic controller (1) of self-healing reactive-load compensation capacitor (3), belt discharge function; Described self-healing reactive-load compensation capacitor (3) has many groups and connection parallel with one another; Described voltage signal sensor (5), current signal sensor (4) link to each other with logic controller (1) respectively; Described A.C. contactor (2) links to each other with logic controller (1); Described A.C. contactor (2) links to each other with self-healing reactive-load compensation capacitor (3); Described voltage signal sensor (5) and current signal sensor (4), the line parameter circuit value of test loop is inputed to logic controller (1), judge the capacity of required compensation and output control signals to the switching combination that A.C. contactor (2) is controlled self-healing reactive-load compensation capacitor (3) by logic controller (1), thereby realize full-automatic reactive power compensation the test loop; Described self-healing reactive-load compensation capacitor (3) has 12 groups, is connected in parallel mutually.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage:
Big capacity current transformer of the present utility model verification will be equipped with the special-purpose idle benefit capacitors of 12 groups of jumbo high efficiency band self-healings with autocompensation installation and combine with programmable controller, and the group number of capacitor of judging the power factor of test loop and logic control switching automatically is to reach the effect of full-automatic adaptive tracing compensating reactive power loss.Simultaneously this programme also has the following advantages: 1, the full-automatic real-time tracking compensates electric current mutual inductor on site error checking reactive loss of big electric current once, and can follow in real time according to the parameter of test loop and carry out the optimization compensation; 2, design has the logic loops defencive function of band power-failure memory, and compensation condenser (3) carries out cycling to prevent that same group capacitor is carried out continued operation to be caused device damage and share the service time of respectively organizing compensation condenser equally; But the shortest switching time function that 3, linear regulation is arranged is to prevent because of compensation condenser (3) is discharged and recharged the device damage that causes continuously; 4, can carry out real-time measurement function to parameters such as the test loop voltage of current mutual inductor on site verification, electric current, frequency, power factors, can carry out trystate in real time to show; 5, formula capacitor block functions able to programme can carry out flexible group and calculate compensation effect capacitor, disposes the The optimal compensation group automatically.
Below only be concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, or any to move mode dull and stereotyped described in the utility model, all drop within the utility model rights protection scope.
Claims (2)
1. one kind big capacity current transformer verification autocompensation installation is characterized in that: the A.C. contactor (2), voltage signal sensor (5), current signal sensor (4), the logic controller (1) that comprise self-healing reactive-load compensation capacitor (3), belt discharge function; Described self-healing reactive-load compensation capacitor (3) has many groups and connection parallel with one another; Described voltage signal sensor (5), current signal sensor (4) link to each other with logic controller (1) respectively; Described A.C. contactor (2) links to each other with logic controller (1); Described A.C. contactor (2) links to each other with self-healing reactive-load compensation capacitor (3); Described voltage signal sensor (5) and current signal sensor (4), the line parameter circuit value of test loop is inputed to logic controller (1), judge the capacity of required compensation and output control signals to the switching combination that A.C. contactor (2) is controlled self-healing reactive-load compensation capacitor (3) by logic controller (1), thereby realize full-automatic reactive power compensation the test loop.
2. big capacity current transformer verification autocompensation installation according to claim 1, it is characterized in that: described self-healing reactive-load compensation capacitor (3) has 12 groups, is connected in parallel mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206853611U CN201937273U (en) | 2010-12-28 | 2010-12-28 | Automatic compensating device for checking large-capacity current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206853611U CN201937273U (en) | 2010-12-28 | 2010-12-28 | Automatic compensating device for checking large-capacity current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937273U true CN201937273U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206853611U Expired - Fee Related CN201937273U (en) | 2010-12-28 | 2010-12-28 | Automatic compensating device for checking large-capacity current transformer |
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| Country | Link |
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| CN (1) | CN201937273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540129A (en) * | 2010-12-28 | 2012-07-04 | 苏州华电电气股份有限公司 | Automatic compensation device for checking large-capacity current transformer |
| CN106663135A (en) * | 2014-09-23 | 2017-05-10 | 英特尔公司 | Converged adaptive compensation scheme |
-
2010
- 2010-12-28 CN CN2010206853611U patent/CN201937273U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540129A (en) * | 2010-12-28 | 2012-07-04 | 苏州华电电气股份有限公司 | Automatic compensation device for checking large-capacity current transformer |
| CN106663135A (en) * | 2014-09-23 | 2017-05-10 | 英特尔公司 | Converged adaptive compensation scheme |
| CN106663135B (en) * | 2014-09-23 | 2020-06-05 | 英特尔公司 | Convergent Adaptive Compensation Scheme |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20191228 |