CN104237693A - Three-phase circuit simulation system capable of checking accuracy of arc suppression coil compensation device - Google Patents
Three-phase circuit simulation system capable of checking accuracy of arc suppression coil compensation device Download PDFInfo
- Publication number
- CN104237693A CN104237693A CN201410490574.1A CN201410490574A CN104237693A CN 104237693 A CN104237693 A CN 104237693A CN 201410490574 A CN201410490574 A CN 201410490574A CN 104237693 A CN104237693 A CN 104237693A
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- arc suppression
- suppression coil
- simulation system
- phase circuit
- capacitor
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- 230000001629 suppression Effects 0.000 title claims abstract description 29
- 238000004088 simulation Methods 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
The invention relates to a three-phase circuit simulation system capable of checking accuracy of an arc suppression coil compensation device. The three-phase circuit simulation system is characterized by being composed of an unbalanced voltage analog source, a bus, an arc suppression coil, a switch for simulating switching of a system outgoing cubicle, a system bus-to-ground capacitor, a first outgoing line-to-ground first capacitor and a second outgoing line-to-ground second capacitor. The unbalanced voltage analog source, the bus, the arc suppression coil, the switch, the capacitor, the first capacitor and the second capacitor are in series connection. The three-phase circuit simulation system capable of checking the accuracy of the arc suppression coil compensation device is scientific and reasonable in structural design, has the advantages of being capable of providing reliable data for system compensating currents, and ensuring reliable compensation of an arc suppression system and safe running of a power grid, and has the high innovativeness.
Description
Technical field
The invention belongs to power domain, particularly a kind of three-phase circuit simulation system verifying arc suppression coil compensation device accuracy.
Background technology
The effect of arc suppression coil compensation device is when after electrical network generation singlephase earth fault, capacitance current is flow through in trouble spot, arc suppression coil provides inductive current to compensate, current in the fault point is made to be down to below 10A, restrike after being conducive to preventing arc light zero passage, reach the object of arc extinguishing, reduce the probability that amplitude superpotential occurs, Accident prevention expands further.When arc suppression coil correct tuning time, not only effectively can reduce and produce the probability of arc grounding over-voltage, can also the spoke value of effective over-voltage suppression, also reduce the voltage etc. of trouble spot heat damage effect and grounded screen to greatest extent simultaneously.
Along with the development of electrical network, major part transformer station has all installed automatic compensating device of arc suppression coil and has come into operation, but to the running status of this automatic compensating device of arc suppression coil, the accuracy of measuring system capacitive current, compensating coefficient, the operation information provided except producer, calculate except data, lack and effectively verify means.If the information that producer provides is wrong, system balance capacitance current just can not provide reliable data, thus causes arc-extinguishing system compensation to occur mistake, affects the security of operation of electrical network.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can provide reliable data for system balance electric current, ensure the three-phase circuit simulation system of the dependable compensation of arc-extinguishing system and the verification arc suppression coil compensation device accuracy of safe operation of electric network.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of three-phase circuit simulation system verifying arc suppression coil compensation device accuracy, it is characterized in that: by switch when unbalance voltage dummy source, bus, arc suppression coil, simulation system outgoing line cabinet switching, system busbar, to electric capacity greatly, the first outlet, to the first electric capacity of the earth and the second outlet, the second electric capacity to the earth is formed, and described unbalance voltage dummy source, bus, arc suppression coil, switch, electric capacity, the first electric capacity and the second electric capacity are series relationship each other.
Advantage of the present invention and good effect are:
1, the three-phase circuit simulation system of this verification arc suppression coil compensation device accuracy, by system unbalance voltage dummy source, over the ground artificial capacitor, the setting of simulating the switch etc. due to load and outlet change, artificial neutral point can be provided for system, simulation system non-equilibrium state, provide the displacement voltage of test, between property point and ground, improve the system ground capacitance under simulation system running environment in systems in which.Thus the information of the automatic compensating device of arc suppression coil that producer provides is verified, improve the accuracy that it compensates, ensure the security of operation of electrical network.
2, scientific structure design of the present invention is reasonable, having and can provide reliable data, ensure the dependable compensation of arc-extinguishing system and the advantage of safe operation of electric network for system balance electric current, is a kind of three-phase circuit simulation system with the verification arc suppression coil compensation device accuracy of higher innovation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of simulation system compensated distribution network of the present invention.
Description of reference numerals:
U-unbalance voltage dummy source, ASCA-bus through arc suppression coil system earth, Cf-system busbar to the earth electric capacity, C01-first outlet to the earth the first electric capacity, C02-second outlet to the earth the second electric capacity, K-switch simulation system outgoing line cabinet switching time switch.
Specific implementation method
Below in conjunction with accompanying drawing, by specific embodiment, the invention will be further described.Following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of three-phase circuit simulation system verifying arc suppression coil compensation device accuracy, its innovation is: by K switch when unbalance voltage dummy source U, bus, arc suppression coil, simulation system outgoing line cabinet switching, system busbar, to electric capacity f greatly, the first outlet, to the first electric capacity of the earth and the second outlet, the second electric capacity to the earth is formed, and described unbalance voltage dummy source U, bus, arc suppression coil, K switch, electric capacity f, the first electric capacity and the second electric capacity are series relationship each other.
The present invention is by system unbalance voltage dummy source, over the ground artificial capacitor, the setting of simulating the switch etc. due to load and outlet change, artificial neutral point can be provided for system, simulation system non-equilibrium state, provide the displacement voltage of test, between property point and ground, improve the system ground capacitance under simulation system running environment in systems in which.Thus the information of the automatic compensating device of arc suppression coil that producer provides is verified, improve the accuracy that it compensates, ensure the security of operation of electrical network.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (1)
1. one kind verifies the three-phase circuit simulation system of arc suppression coil compensation device accuracy, it is characterized in that: by switch when unbalance voltage dummy source, bus, arc suppression coil, simulation system outgoing line cabinet switching, system busbar, to electric capacity greatly, the first outlet, to the first electric capacity of the earth and the second outlet, the second electric capacity to the earth is formed, and described unbalance voltage dummy source, bus, arc suppression coil, switch, electric capacity, the first electric capacity and the second electric capacity are series relationship each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410490574.1A CN104237693A (en) | 2014-09-23 | 2014-09-23 | Three-phase circuit simulation system capable of checking accuracy of arc suppression coil compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410490574.1A CN104237693A (en) | 2014-09-23 | 2014-09-23 | Three-phase circuit simulation system capable of checking accuracy of arc suppression coil compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104237693A true CN104237693A (en) | 2014-12-24 |
Family
ID=52226166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410490574.1A Pending CN104237693A (en) | 2014-09-23 | 2014-09-23 | Three-phase circuit simulation system capable of checking accuracy of arc suppression coil compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104237693A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664728A (en) * | 2017-10-13 | 2018-02-06 | 国家电网公司 | Network system earthing compensation device diagnostic platform |
| CN107831378A (en) * | 2017-09-13 | 2018-03-23 | 梅素真 | A kind of device and method for examining arc suppression coil compensation effect |
-
2014
- 2014-09-23 CN CN201410490574.1A patent/CN104237693A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831378A (en) * | 2017-09-13 | 2018-03-23 | 梅素真 | A kind of device and method for examining arc suppression coil compensation effect |
| CN107831378B (en) * | 2017-09-13 | 2020-06-30 | 梅素真 | Device and method for detecting compensation effect of arc suppression coil |
| CN107664728A (en) * | 2017-10-13 | 2018-02-06 | 国家电网公司 | Network system earthing compensation device diagnostic platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Applicant after: State Grid Corporation of China Applicant after: STATE GRID TIANJIN BAODI POWER SUPPLY CO., LTD. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: STATE GRID TIANJIN BAODI POWER SUPPLY CO., LTD. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |