CN208607183U - A kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provision - Google Patents
A kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provision Download PDFInfo
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- CN208607183U CN208607183U CN201821372487.6U CN201821372487U CN208607183U CN 208607183 U CN208607183 U CN 208607183U CN 201821372487 U CN201821372487 U CN 201821372487U CN 208607183 U CN208607183 U CN 208607183U
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 52
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 48
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 24
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 23
- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 102
- 238000007599 discharging Methods 0.000 claims abstract description 59
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 18
- 239000003463 adsorbent Substances 0.000 claims description 15
- 230000005684 electric field Effects 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 7
- 238000010891 electric arc Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 210000000720 eyelash Anatomy 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- OBTWBSRJZRCYQV-UHFFFAOYSA-N sulfuryl difluoride Chemical compound FS(F)(=O)=O OBTWBSRJZRCYQV-UHFFFAOYSA-N 0.000 description 1
- LSJNBGSOIVSBBR-UHFFFAOYSA-N thionyl fluoride Chemical compound FS(F)=O LSJNBGSOIVSBBR-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provisions.The device includes mixed gas generating means, electric discharge device and decomposition product detection device；Mixed gas generating means are for proportionally generating mixing sulfur hexafluoride/nitrogen；Electric discharge device is used for mixing sulfur hexafluoride/nitrogen discharge；Decomposition product detection device is used to detect the decomposition product that the mixing sulfur hexafluoride after electric discharge/nitrogen generates；Electric discharge device includes discharge electrode, applied voltage circuit and discharging chamber；Discharging chamber is connected to mixed gas generating means and decomposition product detection device, and mixing sulfur hexafluoride/nitrogen that mixed gas generating means generate is passed through in discharging chamber；Discharge electrode is for providing required electrode under different discharging conditions；Applied voltage circuit is for providing discharge voltage.Using the device of the utility model, when can simulate different mixture ratios, for sulfur hexafluoride/nitrogen decomposition product under different electric discharge classifications and discharging condition.
Description
Technical field
The utility model relates to sulfur hexafluoride/nitrogen decomposition product technical fields, lithium more particularly to a kind of simulation
Sulphur/nitrogen decomposition product experimental provision.
Background technique
SF6Gas because its good insulation characterisitic be widely used in breaker and gas-insulated closed composition switch set
Dielectric is served as in the equipment such as standby, but due to SF6Stronger greenhouse effects, to SF6Reduced requirement is consumed and discharges to compel in eyebrow
Eyelash.According to SF6The form of mixed gas, on the one hand its decreasing insulating is few, on the other hand declines to a great extent to the pollution of environment,
It is SF that gas is mixed now using more type6/N2、SF6/CO2And SF6/CF4.Due to (such as gas in various high voltage electric equipments
Insulating enclosed type stacked switch equipment and transmission line etc.) it is inevitably present insulation defect, even being operated normally in equipment
Under the conditions of be also possible to shelf depreciation occur.A large number of studies show that shelf depreciation will lead to SO2F2、SOF2、SO2、CO2And CF4Deng
The generation of component, the meeting that these decomposition products have make SF6The decline of dielectric insulation performance, and part can corrode group inside equipment
Part damages solid insulation, to jeopardize the safe operation of equipment.
Currently, existing device is usually to SF6/N2Decomposition product carries out the category analysis of decomposition components and produces to decomposing
The changes of contents rule of object is observed, and there is no for SF under different electric discharge classifications, discharging condition6/N2Decomposition product carries out mould
Quasi- device.
Utility model content
The purpose of the utility model is to provide a kind of simulation sulfur hexafluoride/nitrogen for different electric discharge classifications and discharging condition
The experimental provision of gas decomposition product.
To achieve the above object, the utility model provides following scheme:
A kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provision, comprising:
Mixed gas generating means, electric discharge device and decomposition product detection device；The mixed gas generating means, are used for
By SF6And N2Proportionally generate mixing SF6/N2Gas；The electric discharge device is used for the mixing SF6/N2Gas discharge；Institute
Decomposition product detection device is stated for the mixing SF after electric discharge6/N2The decomposition product that gas generates is detected；
The electric discharge device includes: discharge electrode, applied voltage circuit and discharging chamber；Described in the discharging chamber connection
Mixed gas generating means and the decomposition product detection device, the mixing SF that the mixed gas generating means generate6/N2Gas
Body is passed through in the discharging chamber；The discharge electrode is arranged inside the discharging chamber, for providing different discharging conditions
Electrode needed for lower；First output end of the applied voltage circuit is connect with the discharge electrode, for providing discharge voltage.
Optionally, the discharge electrode, specifically includes: parallel-plate electrode, stick plate electrode and stick electrode；
The parallel-plate electrode, for providing arc discharge under the conditions of uniform electric field；
The stick plate electrode, for providing corona discharge or spark discharge under the conditions of slightly uneven electric field；
The stick electrode, for providing arc discharge under the conditions of severe non-uniform electric field.
Optionally, the applied voltage circuit, specifically includes: power frequency testing transformer, DC high-voltage circuit, adjustable polarity
Lightning impulse generation circuit, switching impulse generation circuit and pulsed discharge generation circuit；
The power frequency testing transformer, for providing power-frequency voltage；
The DC high-voltage circuit, for providing high direct voltage；
The adjustable polarity lightning impulse generation circuit, for providing positive-negative polarity lightning impulse voltage；
The switching impulse generation circuit, for providing operating impulse voltage；
The pulsed discharge generation circuit, for providing pulse voltage.
Optionally, mixed gas generating means specifically include: mixed gas air charging system and micro-water content regulating device；
The mixed gas air charging system is connect with the micro-water content regulating device arrival end；The mixed gas inflation
Device for mixing SF in proportion6And N2；
Micro-water content regulating device outlet end is connect with the discharging chamber；The micro-water content regulating device is used for
Adjust the mixing SF6/N2The micro-water content of gas.
Optionally, the mixed gas air charging system, specifically includes:
Multiple loading lines, multiple flowmeters, gas-filled cavity and air gauge；The loading line number and the flowmeter
Number is identical；The gas-filled cavity is connect with the micro-water content regulating device arrival end；
The loading line is connect with the gas-filled cavity, for gas to be passed through in the gas-filled cavity；
The flowmeter is arranged on the loading line, for measuring the flow for being filled with gas in the loading line；
The air gauge is arranged in the gas-filled cavity, for showing the air pressure of gas in the gas-filled cavity.
Optionally, the micro-water content regulating device, specifically includes:
Micro- aquatic products generating apparatus, micro- water adsorbent equipment and microwater device；
The arrival end of micro- aquatic products generating apparatus is connect with the gas-filled cavity；Micro- aquatic products generating apparatus is for adjusting institute
State mixing SF6/N2The micro-water content of gas；
The arrival end of micro- water adsorbent equipment is connect with the outlet end of micro- aquatic products generating apparatus；Micro- water absorption dress
The outlet end set is connect with the discharging chamber；Micro- water adsorbent equipment is for absorbing the mixing SF6/N2Micro- water of gas；
On the pipeline that the outlet end that micro- water adsorbent equipment is arranged in the microwater device is connect with the discharging chamber；Institute
State microwater device for show be passed through the intracorporal mixing SF of the discharge cavity6/N2The micro-water content of gas.
Optionally, the electric discharge device, further includes: control chip；
The control chip is connect with the input terminal of the applied voltage circuit, for switching the applied voltage circuit,
It is also used to adjust the voltage magnitude of the applied voltage circuit.
Optionally, the electric discharge device, further includes: temperature-adjusting device, for adjusting the discharging chamber internal temperature；
The temperature-adjusting device includes: temperature sensor, refrigeration machine and the circulatory system；
The temperature sensor is arranged inside the discharging chamber；The temperature sensor is electrically connected with the control chip
It connects；The temperature sensor is for acquiring the discharging chamber internal temperature values；
The input terminal of the refrigeration machine is electrically connected with the control chip, and the control chip is according in the discharging chamber
Portion's temperature value controls the refrigeration machine and adjusts refrigerant temperature；The refrigeration delivery outlet of the refrigeration machine and the circulatory system connect
It connects, the refrigeration machine is for injecting the circulatory system after refrigerant temperature is reduced to target temperature；
The circulatory system is installed on the discharging chamber lateral wall, for reducing the discharging chamber internal temperature.
Optionally, the electric discharge device, further includes: waveform recording device；The waveform recording device applies electricity with described outside
The second output terminal of volt circuit connects, for recording discharge capacity and discharge waveform when discharging in the discharging chamber.
Optionally, the decomposition product detection device is portable gas chromatograph.
Compared with prior art, the utility model has the beneficial effects that
The utility model proposes a kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provisions, are mixed by adjusting
SF in gas generating device6And N2Ratio for different discharge electrodes, and is applied different potential circuits outside, can be simulated not
With mixture ratio when, for SF under different electric discharge classifications and discharging condition6/N2Decomposition product produces convenient for decomposing to mixed gas
Object characteristic is studied comprehensively；
In addition, the utility model can also be by adjusting mixed gas air charging system, micro-water content regulating device and temperature
Regulating device, under the conditions of capable of simulating and analyzing different air pressures, micro- water and temperature, to SF6/N2The influence of decomposition product, it is big generous
Carry out mixed gas decomposition product research experiment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is to simulate SF in the utility model embodiment6/N2The experimental provision structure connection figure of decomposition product；
Fig. 2 is discharge electrode schematic diagram in the utility model embodiment；
Fig. 3 is that the utility model embodiment China and foreign countries apply potential circuit schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of simulation sulfur hexafluoride/nitrogen for different electric discharge classifications and discharging condition
The experimental provision of gas decomposition product.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is to simulate SF in the utility model embodiment6/N2The experimental provision structure connection figure of decomposition product.Such as Fig. 1 institute
Show, simulates SF6/N2The experimental provision of decomposition product, comprising: mixed gas generating means, electric discharge device and decomposition product detection dress
Set 6.The mixed gas generating means are used for SF6And N2Proportionally generate mixing SF6/N2Gas；The electric discharge device
For to the mixing SF6/N2Gas discharge；The decomposition product detection device is used for the mixing SF after electric discharge6/N2Gas
The decomposition product of generation is detected.
Electric discharge device includes: discharge electrode 1, applied voltage circuit 2, discharging chamber 3, control chip 4, temperature-adjusting device
With waveform recording device 5.The discharging chamber 3 is connected to the mixed gas generating means and the decomposition product detection device 6,
The mixing SF that the mixed gas generating means generate6/N2Gas is passed through in the discharging chamber 3；The discharge electrode 1 is arranged
Inside the discharging chamber 3, for providing required electrode under different discharging conditions；The first of the applied voltage circuit 2 is defeated
Outlet is connect with the discharge electrode 1, for providing discharge voltage；The control chip 4, with the applied voltage circuit 2
Input terminal connection, for switching the applied voltage circuit 2, is also used to adjust the voltage magnitude of the applied voltage circuit 2；Institute
Temperature-adjusting device is stated, for adjusting 3 internal temperature of discharging chamber；The waveform recording device 5 and the applied voltage
The second output terminal of circuit 2 connects, for recording discharge capacity and discharge waveform when discharging in the discharging chamber 3.
Fig. 2 is discharge electrode schematic diagram in the utility model embodiment.As shown in Fig. 2, discharge electrode 1, specifically includes: flat
Plate electrodes 101, stick plate electrode 102 and stick electrode 103.The parallel-plate electrode, first with the applied voltage circuit 2
Output end electrical connection, for providing arc discharge under the conditions of uniform electric field；The stick plate electrode 102, with the applied voltage electricity
First output end on road 2 is electrically connected, for providing corona discharge or spark discharge under the conditions of slightly uneven electric field；The stick
Bar electrode 103 is electrically connected with the first output end of the applied voltage circuit 2, for providing electricity under the conditions of severe non-uniform electric field
Arc discharge.Wherein, it is slightly uneven electric field when electric field nonuniformity coefficient f<2, is severe non-uniform electric field when f>4；F=Emax/Eav,
EmaxFor maximum field intensity, EavFor average field intensity.
Using different discharge electrodes, applied voltage module of arranging in pairs or groups can be simulated under different defect types, and difference is outer to apply electricity
Press the discharging condition under type.
Fig. 3 is that the utility model embodiment China and foreign countries apply potential circuit schematic diagram.As shown in figure 3, applied voltage circuit 2, tool
Body includes: power frequency testing transformer 201, DC high-voltage circuit 202, adjustable polarity lightning impulse generation circuit 203, switching impulse
Generation circuit 204 and pulsed discharge generation circuit 205.The input terminal of the power frequency testing transformer 201 and the control chip 4
Connection, for providing power-frequency voltage；The input terminal of the DC high-voltage circuit 202 is connect with the control chip 4, for providing
High direct voltage；The input terminal of the adjustable polarity lightning impulse generation circuit 203 is connect with the control chip 4, for providing
Positive-negative polarity lightning impulse voltage；The input terminal of the switching impulse generation circuit 204 is connect with the control chip 4, is used for
Operating impulse voltage is provided；The input terminal of the pulsed discharge generation circuit 205 is connect with the control chip 4, for providing
Pulse voltage.Wherein, adjustable polarity lightning impulse generation circuit 203 and switching impulse generation circuit 204 share main discharge circuit,
By control 4 switching of chip and wave head wave terminal resistance needed for adjusting realizes the output of target waveform.Applied voltage circuit is using together
One control chip flexibly controls, the generation circuit of output waveform needed for being gated according to test demand, and to output voltage width
Value is adjusted.
Mixed gas generating means, specifically include: mixed gas air charging system 7 and micro-water content regulating device 8.It is described mixed
Gas inflator 7 is closed to connect with 8 arrival end of micro-water content regulating device；The mixed gas air charging system 7 is for pressing
Ratio mixes SF6And N2；8 outlet end of micro-water content regulating device is connect with the discharging chamber 3；The micro-water content tune
Regulating device 8 is for adjusting the mixing SF6/N2The micro-water content of gas.
Mixed gas air charging system 7, specifically includes: multiple loading lines 9, multiple flowmeters 10, gas-filled cavity 11 are gentle
Press table 12.9 numbers of the loading line are identical as 10 numbers of the flowmeter；The gas-filled cavity 11 and the micro-water content tune
The connection of 8 arrival end of regulating device.The loading line 9 is connect with the gas-filled cavity 11, for gas to be passed through the inflatable chamber
In body 11；The flowmeter 10 is arranged on the loading line 9, for measuring the stream for being filled with gas in the loading line 9
Amount；The air gauge 12 is arranged in the gas-filled cavity 11, for showing the air pressure of gas in the gas-filled cavity 11.
Micro-water content regulating device 8, specifically includes: micro- aquatic products generating apparatus 13, micro- water adsorbent equipment 14 and microwater device 15.Institute
Calandria 16 built in micro- aquatic products generating apparatus 13 is stated, micro- aquatic products generating apparatus 13 opens up a water injection hole 17, micro- aquatic products
The arrival end of generating apparatus 13 is connect with the gas-filled cavity 11；Micro- aquatic products generating apparatus 13 is for adjusting the mixing SF6/N2
The micro-water content of gas；14 built-in sorbent 18 of micro- water adsorbent equipment, the arrival end of micro- water adsorbent equipment 14 and institute
State the outlet end connection of micro- aquatic products generating apparatus 13；The outlet end of micro- water adsorbent equipment 14 is connect with the discharging chamber 3；Institute
Micro- water adsorbent equipment 14 is stated for absorbing the mixing SF6/N2Micro- water of gas；The setting of microwater device 15 is inhaled in micro- water
On the pipeline that the outlet end of adsorption device 14 is connect with the discharging chamber 3；The microwater device 15 is passed through the electric discharge for showing
The mixing SF in cavity 36/N2The micro-water content of gas.It is added by water injection hole 17 into micro- aquatic products generating apparatus 13 appropriate
Water is heated using calandria 16 and generates vapor, and vapor flows through micro- water adsorbent equipment 14 with gas together, and the micro- water in part will
It is adsorbed the absorption of agent 18；Being filled with micro-water content in gas can be monitored in real time by microwater device 15；Dress is generated by adjusting micro- water
Micro-water content in gas can be filled with so that flexible modulation is practical by setting 13 generation micro-water contents.
Temperature-adjusting device specifically includes: temperature sensor 19, refrigeration machine 20 and the circulatory system 21.The temperature sensing
Device 19 is arranged inside the discharging chamber 3；The temperature sensor 19 is electrically connected with the control chip 4；The temperature passes
Sensor 19 is for acquiring 3 internal temperature values of discharging chamber；The input terminal of the refrigeration machine 20 is electrically connected with the control chip 4
It connects, the control chip 4 controls the refrigeration machine 20 according to 3 internal temperature values of discharging chamber and adjusts refrigerant temperature；Institute
The refrigeration delivery outlet for stating refrigeration machine is connect with the circulatory system 21, and the refrigeration machine 20 is used to refrigerant temperature being reduced to mesh
The circulatory system 21 is injected after marking temperature；The circulatory system 21 is installed on 3 lateral wall of discharging chamber, for reducing described
3 internal temperature of discharging chamber.
Decomposition product detection device 6 is portable gas chromatograph, and discharging chamber 3 is disposed with control valve, is tied in electric discharge
Shu Hou opens valve, using pipeline, will decompose gas and is passed directly into portable gas chromatograph, using portable time gas chromatography
Decomposition product changing rule can be monitored in real time in instrument.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provision characterized by comprising
Mixed gas generating means, electric discharge device and decomposition product detection device；The mixed gas generating means are used for SF6
And N2Proportionally generate mixing SF6/N2Gas；The electric discharge device is used for the mixing SF6/N2Gas discharge；Described point
Product detection device is solved to be used for the mixing SF after electric discharge6/N2The decomposition product that gas generates is detected；
The electric discharge device includes: discharge electrode, applied voltage circuit and discharging chamber；The discharging chamber is connected to the mixing
Gas generating device and the decomposition product detection device, the mixing SF that the mixed gas generating means generate6/N2Gas is logical
Enter in the discharging chamber；The discharge electrode is arranged inside the discharging chamber, for providing institute under different discharging conditions
Need electrode；First output end of the applied voltage circuit is connect with the discharge electrode, for providing discharge voltage.
2. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 1, which is characterized in that
The discharge electrode, specifically includes: parallel-plate electrode, stick plate electrode and stick electrode；
The parallel-plate electrode, for providing arc discharge under the conditions of uniform electric field；
The stick plate electrode, for providing corona discharge or spark discharge under the conditions of slightly uneven electric field；
The stick electrode, for providing arc discharge under the conditions of severe non-uniform electric field.
3. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 1, which is characterized in that
The applied voltage circuit, specifically includes: power frequency testing transformer, DC high-voltage circuit, adjustable polarity lightning impulse produce
Raw circuit, switching impulse generation circuit and pulsed discharge generation circuit；
The power frequency testing transformer, for providing power-frequency voltage；
The DC high-voltage circuit, for providing high direct voltage；
The adjustable polarity lightning impulse generation circuit, for providing positive-negative polarity lightning impulse voltage；
The switching impulse generation circuit, for providing operating impulse voltage；
The pulsed discharge generation circuit, for providing pulse voltage.
4. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 1, which is characterized in that mixing
Gas generating device specifically includes: mixed gas air charging system and micro-water content regulating device；
The mixed gas air charging system is connect with the micro-water content regulating device arrival end；The mixed gas air charging system
For mixing SF in proportion6And N2；
Micro-water content regulating device outlet end is connect with the discharging chamber；The micro-water content regulating device is for adjusting
The mixing SF6/N2The micro-water content of gas.
5. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 4, which is characterized in that described
Mixed gas air charging system, specifically includes:
Multiple loading lines, multiple flowmeters, gas-filled cavity and air gauge；The loading line number and the flowmeter number
It is identical；The gas-filled cavity is connect with the micro-water content regulating device arrival end；
The loading line is connect with the gas-filled cavity, for gas to be passed through in the gas-filled cavity；
The flowmeter is arranged on the loading line, for measuring the flow for being filled with gas in the loading line；
The air gauge is arranged in the gas-filled cavity, for showing the air pressure of gas in the gas-filled cavity.
6. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 5, which is characterized in that described
Micro-water content regulating device, specifically includes:
Micro- aquatic products generating apparatus, micro- water adsorbent equipment and microwater device；
The arrival end of micro- aquatic products generating apparatus is connect with the gas-filled cavity；Micro- aquatic products generating apparatus is described mixed for adjusting
Close SF6/N2The micro-water content of gas；
The arrival end of micro- water adsorbent equipment is connect with the outlet end of micro- aquatic products generating apparatus；Micro- water adsorbent equipment
Outlet end is connect with the discharging chamber；Micro- water adsorbent equipment is for absorbing the mixing SF6/N2Micro- water of gas；
On the pipeline that the outlet end that micro- water adsorbent equipment is arranged in the microwater device is connect with the discharging chamber；It is described micro-
Water instrument is passed through the intracorporal mixing SF of the discharge cavity for showing6/N2The micro-water content of gas.
7. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 1, which is characterized in that described
Electric discharge device, further includes: control chip；
The control chip is connect with the input terminal of the applied voltage circuit, for switching the applied voltage circuit, is also used
In the voltage magnitude for adjusting the applied voltage circuit.
8. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 7, which is characterized in that described
Electric discharge device, further includes: temperature-adjusting device, for adjusting the discharging chamber internal temperature；
The temperature-adjusting device includes: temperature sensor, refrigeration machine and the circulatory system；
The temperature sensor is arranged inside the discharging chamber；The temperature sensor is electrically connected with the control chip；
The temperature sensor is for acquiring the discharging chamber internal temperature values；
The input terminal of the refrigeration machine is electrically connected with the control chip, and the control chip is according to temperature inside the discharging chamber
Angle value controls the refrigeration machine and adjusts refrigerant temperature；The refrigeration delivery outlet of the refrigeration machine is connect with the circulatory system, institute
Refrigeration machine is stated for injecting the circulatory system after refrigerant temperature is reduced to target temperature；
The circulatory system is installed on the discharging chamber lateral wall, for reducing the discharging chamber internal temperature.
9. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 1, which is characterized in that described
Electric discharge device, further includes: waveform recording device；The second output terminal of the waveform recording device and the applied voltage circuit connects
It connects, for recording discharge capacity and discharge waveform when discharging in the discharging chamber.
10. simulation sulfur hexafluoride/nitrogen decomposition product experimental provision according to claim 1, which is characterized in that described
Decomposition product detection device is portable gas chromatograph.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931573A (en) * | 2018-08-24 | 2018-12-04 | 国家电网有限公司 | A kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931573A (en) * | 2018-08-24 | 2018-12-04 | 国家电网有限公司 | A kind of simulation sulfur hexafluoride/nitrogen decomposition product experimental provision |
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