CN208953652U - A kind of model for the fixed suspended discharge defect of Simulated GlS equipment - Google Patents
A kind of model for the fixed suspended discharge defect of Simulated GlS equipment Download PDFInfo
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- CN208953652U CN208953652U CN201821431603.7U CN201821431603U CN208953652U CN 208953652 U CN208953652 U CN 208953652U CN 201821431603 U CN201821431603 U CN 201821431603U CN 208953652 U CN208953652 U CN 208953652U
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Abstract
The utility model provides a kind of model for the fixed suspended discharge defect of Simulated GlS equipment, including glass column and controller filled with SF6 gas, the top of the glass column is equipped with upper sealing plate, bottom is equipped with lower sealing plate, the upper sealing plate is connected with 220V power transmission line with lower sealing plate, the glass column top exterior walls are equipped with external screw thread, it can be connected with upper sealing plate by the external screw thread, the one side of the upper sealing plate towards glass column is equipped with circular hole, the circular hole is located at upper sealing plate center, internal screw thread is equipped in the circular hole, it can be connect with high-field electrode by the internal screw thread, the glass column bottom centre position is equipped with two vertical lifting framves, grounded plate electrode is equipped between two vertical lifting framves, driving motor is additionally provided on any bar crane, the controller is connected with driving motor signal, the driving Motor is fixedly linked with metallic platelets.The utility model can floating potential discharge situation effectively in Simulated GlS equipment.
Description
Technical field
The utility model relates to GIS fault simulation technical fields, more particularly to a kind of fix for Simulated GlS equipment to suspend
The model of discharge defect.
Background technique
Gas Insulated Switchgear (GIS) is that a kind of novel electric power occurred middle 1960s is set
Standby, it completely or partially combines the various electrical equipments in substation in a closed metal shell, and is filled with certain
The SF6 gas with good insulating performance of air pressure.Compared with the power transmission and transforming equipment of open type, it is had many advantages, such as
Occupied area is small, and spatial volume is small, safe and reliable to operation, is conducive to environmental protection, and the time between overhauls(TBO) is long, installation workload it is small and
It is small etc. by external environmental interference.By development in more than 50 years, GIS technology have developed rapidly and be applied to various countries rapidly
Electric system.With the development of national economy, requirement of the society to power supply reliability is higher and higher.GIS is weight in electric system
The power equipment wanted is the basis for guaranteeing power supply reliability.Although GIS reliability of operation is very high, inside can not keep away
Exempt from ground existing defects, generates shelf depreciation, cause insulation degradation, lead to equipment fault.
In GIS, it may appear that conductor poor contact causes high pressure or ground floating potential, this is that GIS device may all occur
Problem.When electric field strength is higher, it may appear that partial discharge phenomenon even spark discharge and arc discharge occurs, leads to SF6 gas
Body decomposes, and causes insulation degradation.This be a kind of SF6 gas occurred in the defects of small SF6 air gap, near discharge channel and its
Decomposition components are less likely to occur to spread, and may be unfavorable for timely discovering device failure using traditional decomposition components analysis, having must
It constructs floating potential defect model and carries out experimental study, whether floating potential discharge occur inside practical GIS device to diagnose.
Utility model content
The purpose of this utility model is to provide a kind of model for the fixed suspended discharge defect of Simulated GlS equipment, with
Solve the problems mentioned above in the background art.
The utility model is achieved through the following technical solutions: one kind is lacked for the fixed suspended discharge of Simulated GlS equipment
Sunken model, including glass column and controller filled with SF6 gas, the top of the glass column is equipped with upper sealing plate, bottom
Portion is equipped with lower sealing plate, and the upper sealing plate is connected with 220V power transmission line with lower sealing plate, and the glass column top exterior walls are equipped with outer
Screw thread can be connected by the external screw thread with upper sealing plate, and the one side of the upper sealing plate towards glass column is equipped with circular hole, the circular hole
Positioned at upper sealing plate center, it is equipped with internal screw thread in the circular hole, can be connect with high-field electrode by the internal screw thread, the glass column
Bottom centre position is equipped with two vertical lifting framves, grounded plate electrode is equipped between two vertical lifting framves, in any bar liter
It is additionally provided with driving motor on drop frame, the controller is connected with driving motor signal, and the driving motor and metallic platelets are solid
It is fixed to be connected.
Preferably, the high-field electrode tail portion is equipped with the second external screw thread matched with the internal thread, the high-voltage electricity
The top of pole can be plate electrode or sharp electrode.
Preferably, the quantity of the high-field electrode can be multiple.
Preferably, the crane top equipped with driving motor is equipped with limited block.
Preferably, the crane and upper sealing plate are insulator.
Preferably, the metallic platelets are the metal column with tip.
Preferably, the upper sealing plate is equipped with aeration aperture and gas vent to be filled and deflated by.
Compared with prior art, what the utility model reached has the beneficial effect that:
A kind of model for the fixed suspended discharge defect of Simulated GlS equipment provided by the utility model, by filled with
Fixed suspended substance defect model is constructed in the glass column of SF6 gas, can easily simulate suspended discharge situation, and detect suspension
To the influence of SF6 gas under discharge scenario, it is i.e. outstanding that the interaction of controller and motor can easily adjust metallic platelets
The height of floating electrode can easily detect different location of the suspension electrode between high-field electrode and grounded plate electrode and discharge to SF6
Influence caused by gas, while the utility model is after discharge examination off-test, the exhaust that can be equipped with by upper sealing plate
Gas after SF6 electric discharge is decomposed in hole is extracted out, is further detected.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structure of model for the fixed suspended discharge defect of Simulated GlS equipment provided by the utility model
Figure；
Fig. 2 is the sharp electrode enlarged diagram of the utility model Fig. 1；
Fig. 3 is the plate electrode enlarged diagram of the utility model Fig. 1
Fig. 4 is upper sealing plate schematic diagram provided by the embodiment of the utility model.
In figure, 1- glass column, 2- upper sealing plate, sealing plate under 3-, 4- high-field electrode, 5- limited block, 6- driving motor, 7- gold
Belong to suspended substance, 8- vertical lifting frame, 9- grounded plate electrode, 10- aeration aperture, 11- gas vent, 12- circular hole, 13- point electrode, 14-
Plate electrode, the second external screw thread of 15-.
Specific embodiment
In order to be best understood from the utility model technology contents, specific embodiment is provided below, and practical to this in conjunction with attached drawing
It is novel to be described further.
Referring to Fig. 1 to Fig. 4, a kind of model for the fixed suspended discharge defect of Simulated GlS equipment, including filled with SF6 gas
The glass column 1 and controller of body, the top of the glass column 1 are equipped with upper sealing plate 2, and bottom is equipped with lower sealing plate 3, it is described on
Sealing plate 2 is all made of insulating materials with lower sealing plate 3 and is made, avoid leaking electricity, specifically, the upper sealing plate 2 is equipped with to be filled and deflated by
Aeration aperture 10 and gas vent 11 can extract gas or injection SF6 gas inside glass column 1, the glass column out as needed
1 top exterior walls of body are equipped with external screw thread, can be connected with 2 spiral of upper sealing plate by the external screw thread, and upper sealing plate 2 is towards glass column 1
It is equipped with circular hole 12 on one side, the circular hole 12 is located at 2 center of upper sealing plate, is equipped with internal screw thread in the circular hole 12, passes through the interior spiral shell
Line can be connect with high-field electrode 4, when in use, high-field electrode 4 need to only be passed through to the internal screw thread and upper sealing plate 2 being arranged on circular hole 12
Spiral, which is connected, to be fixed, and the glass column bottom centre position is equipped with two vertical lifting framves 8, and vertical lifting frame 8 is insulation
Material is made, and grounded plate electrode 9 is equipped between two vertical lifting framves 8, and grounded plate electrode 9 also has respectively with high-field electrode 4
220V power transmission line, the anode of the power transmission line pass through upper sealing plate 2 and are connected with high-field electrode 4, and the cathode of power transmission line passes through lower sealing plate 3
It is connected with grounded plate electrode 9, while is additionally provided with driving motor 6 on any bar crane, the controller and driving motor 6 is believed
Number be connected, the driving motor 6 is fixedly linked with metallic platelets 7, and when in use, controller can assign control to driving motor 6
System order, control metallic platelets 7 and grounded plate electrode 9 spacing, can easily detect suspension electrode high-field electrode 4 with connect
Different location between floor electrode 9 discharges to influence caused by SF6 gas.
Specifically, 4 quantity of high-field electrode be it is multiple, each 4 tail portion of high-field electrode be equipped with and circular hole internal screw thread phase
The second external screw thread 15 matched uses the top of plate electrode 14 or sharp electrode 13 as high-field electrode 4 according to different needs.
Specifically, the crane top equipped with driving motor 6 is equipped with limited block 5, driving motor 6 can avoid beyond fortune
Dynamic range.
Specifically, the crane and upper sealing plate 2 are insulator, to reduce the interference during discharge test because
Element.
Specifically, the metallic platelets 7 are the metal column with tip, to simulate the point discharge in GIS device
Situation.
Working principle are as follows: when work, 4 bottom of high-field electrode is connected with 12 spiral of circular hole of upper sealing plate 2, then by upper envelope
Plate 2 tightens fixation by the external screw thread on glass column 1, then will be pumped into glass column 1 by the gas outlet on upper sealing plate 2
Vacuum state, and SF6 gas is filled with by the inflating port of upper sealing plate 2, metallic platelets 7 are controlled on crane by controller
It is moved, and determines suitable experimental site, when applying voltage on high-field electrode 4 and grounded plate electrode 9, be located at high pressure
Metallic platelets 7 between electrode 4 and grounded plate electrode 9 can change the electric field at tip, and internal field is caused to be distorted, into
And it induces and discharges at 7 tip of metallic platelets, and then simulate the shadow to discharge at 7 tip of metallic platelets to SF6 gas well
It rings.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (7)
1. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment, which is characterized in that including filled with SF6 gas
Glass column and controller, the top of the glass column are equipped with upper sealing plate, and bottom is equipped with lower sealing plate, and the upper sealing plate is under
Sealing plate is connected with 220V power transmission line, and the glass column top exterior walls are equipped with external screw thread, can be with upper envelope by the external screw thread
Plate is connected, and the one side of the upper sealing plate towards glass column is equipped with circular hole, and the circular hole is located at upper sealing plate center, sets in the circular hole
There is internal screw thread, can be connect with high-field electrode by the internal screw thread, the glass column bottom centre position is equipped with two vertical liters
Frame is dropped, grounded plate electrode is equipped between two vertical lifting framves, driving motor, the control is additionally provided on any bar crane
Device processed is connected with driving motor signal, and the driving motor is fixedly linked with metallic platelets.
2. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment according to claim 1, feature exist
The second external screw thread matched with the internal thread is equipped in, the high-field electrode tail portion, and the top of the high-field electrode can be with
For plate electrode or sharp electrode.
3. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment according to claim 2, feature exist
In the quantity of the high-field electrode is multiple.
4. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment according to claim 1, feature exist
In the crane top equipped with driving motor is equipped with limited block.
5. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment according to claim 1, feature exist
In the crane and upper sealing plate are insulator.
6. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment according to claim 1, feature exist
In the metallic platelets are the metal column with tip.
7. a kind of model for the fixed suspended discharge defect of Simulated GlS equipment according to claim 1, feature exist
In equipped with the aeration aperture and gas vent to be filled and deflated by the top of the upper sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431603.7U CN208953652U (en) | 2018-08-31 | 2018-08-31 | A kind of model for the fixed suspended discharge defect of Simulated GlS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431603.7U CN208953652U (en) | 2018-08-31 | 2018-08-31 | A kind of model for the fixed suspended discharge defect of Simulated GlS equipment |
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| Publication Number | Publication Date |
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| CN208953652U true CN208953652U (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821431603.7U Active CN208953652U (en) | 2018-08-31 | 2018-08-31 | A kind of model for the fixed suspended discharge defect of Simulated GlS equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426609A (en) * | 2019-07-18 | 2019-11-08 | 中原工学院 | A kind of more partial discharge form simulations of transformer and test macro |
| CN111610414A (en) * | 2020-05-19 | 2020-09-01 | 保定天威新域科技发展有限公司 | Combined type discharging generation device for simulating multiple kinds of discharging in transformer |
-
2018
- 2018-08-31 CN CN201821431603.7U patent/CN208953652U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426609A (en) * | 2019-07-18 | 2019-11-08 | 中原工学院 | A kind of more partial discharge form simulations of transformer and test macro |
| CN110426609B (en) * | 2019-07-18 | 2022-01-28 | 中原工学院 | Transformer multi-partial discharge form simulation and test system |
| CN111610414A (en) * | 2020-05-19 | 2020-09-01 | 保定天威新域科技发展有限公司 | Combined type discharging generation device for simulating multiple kinds of discharging in transformer |
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