CN202177684U - Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device - Google Patents
Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device Download PDFInfo
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- CN202177684U CN202177684U CN2011202940418U CN201120294041U CN202177684U CN 202177684 U CN202177684 U CN 202177684U CN 2011202940418 U CN2011202940418 U CN 2011202940418U CN 201120294041 U CN201120294041 U CN 201120294041U CN 202177684 U CN202177684 U CN 202177684U
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Abstract
The utility model provides a multi-type partial discharge simulating apparatus for a gas-insulated metal-enclosed device, comprising a discharge electrode, a high voltage bushing, a metal-enclosed air chamber, a grounding apparatus, an air charging and discharging apparatus and an observation window, wherein the discharge electrode comprises a high voltage electrode, a ground potential electrode, a high voltage electrode fixing structure, and a ground electrode fixing structure; the high voltage bushing comprises an internal metal conductor, an external insulating umbrella skirt, a wiring terminal, a voltage-sharing cover, and a connecting flange; the metal-enclosed air chamber comprises a four-way metal housing, an adsorbent frame, a sealing member, and an port blanking plate; the grounding apparatus comprises a movable grounding conductor, a metal housing, and a position indicating apparatus; the air charging and discharging apparatus comprises an air charging valve and an SF6 air pressure meter; and the observation window comprises a transparent insulating cover plate and an anti-explosion guard board. The multi-type partial discharge simulating apparatus for a gas-insulated metal-enclosed device has the advantages of being flexible in simulation, convenient in material selection, reliable in safety, and convenient in maintenance.
Description
Technical field
The utility model relates to shelf depreciation analogy model field, and is particularly related to a kind of gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means.
Background technology
Metal enclosed combined electrical apparatus has plurality of advantages such as occupation of land is little, reliability height, in electric system, is widely used.But its internal electric intensity is very high, easily because of inner tiny flaw causes decreasing insulating, even insulation breakdown, cause serious power supply trouble.Inherent vices such as the installation of metal enclosed combined electrical apparatus is bad, insulation ag(e)ing all are attended by shelf depreciation usually, therefore shelf depreciation are simulated, and the research of carrying out detection and analytical technology is the key that improves at present apparatus insulated state pre-alerting ability.At present to normal two kinds of methods and the model of adopting of the simulation of the inner shelf depreciation of metal enclosed combined electrical apparatus: a kind of is the principle simulation, adopts electrode model, and another kind is a physical object simulating, adopts device model.The principle analogy method has proposed 3 kinds of shelf depreciation types according to common shelf depreciation defective, comprises most advanced and sophisticated above earth potential discharge, the discharge of floating potential body, solid insulation internal discharge.Electrode model often adopts sharp plate electrode, floating potential body electrode, impaired solid insulation compound electrode etc., and the air chamber capacity is less usually, and one-piece construction often is nonmetal enclosed construction, does not have metal shell.The physical object simulating method then is that defectives such as the damage of foreign matter in conductor upper prong, the air chamber, insulating part, loop resistance be excessive artificially are set in metal enclosed combined electrical apparatus.Device model is to utilize actual metal enclosed combined electric appliance equipment to constitute, and can number of drawbacks be set manual work, and structure is identical with real equipment.
Existing two analoglike method and models aspect the shelf depreciation of the metal enclosed combined electrical apparatus of simulation, exist shortcoming and defect.The discharge controllability of electrode model is strong, simple and reliable, but its structure and real equipment difference are bigger, causes the transmission distortion of discharge signal, influence the analysis of signal characteristic, and the air chamber capacity of model is less usually, also is unfavorable for carrying out SF
6The detection of decomposing gas thing.Discharge and real equipment in the device model are similar, but the poor controllability of discharge, the model actual conditions are invisible, and it is repeated bad that discharge is simulated, and the air chamber capacity is big, a large amount of SF when bringing the adjustment discharging model
6The recovery problem of gas, actual simulate effect is not good, the control difficulty.
The utility model content
The utility model proposes a kind of gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means; But corona, insulating part internal discharge, insulating part surface-discharge, the discharge of floating potential body etc. in the analog gas; Can be used for the simulation and the detection of the characteristics such as ultrasonic mechanical wave, uhf electromagnetic wave, visible light, pulsed current signal, decomposing gas thing of shelf depreciation as required, have simulation flexibly, convenient, safe and reliable, the easy to maintenance advantage of selection.
In order to achieve the above object, the utility model proposes a kind of gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means, and this device is made up of sparking electrode, bushing, metal enclosed air chamber, earthing device, aerating and exhaust device, view window;
Wherein, said sparking electrode comprises high-field electrode, earth potential electrode, high-field electrode fixed sturcture, ground electrode fixed sturcture;
Said bushing comprises interior metal conductor, exterior insulation full skirt, connection terminal, grading shield, joint flange;
Said metal enclosed air chamber comprises four-way metal shell, adsorbent frame, seal, port shrouding;
Described earthing device comprises removable earth conductor, metal shell, position indicator;
Described aerating and exhaust device comprises gas filling valve, SF
6Gas gauge;
Said view window comprises transparent insulation cover plate, explosion-proof backplate;
Said bushing is connected with metal enclosed air chamber upper end; The said sparking electrode of the inner installing of said metal enclosed air chamber; Said high-field electrode joins through said high-field electrode fixed sturcture and bushing interior metal conductor; Said earth potential electrode joins through said ground electrode fixed sturcture and said earthing device, and the two ends of said metal enclosed air chamber connect said aerating and exhaust device and said view window respectively, and the bottom of said metal enclosed air chamber connects said earthing device.
Further, said sparking electrode is formed by high-field electrode and earth potential combination of electrodes, adopts four kinds of electrode structures: point-plate, ball-metal fillings-plate, plate-epoxy insulation piece-plate, plate-floating potential body-plate; The electrode material is copper or aluminium; Except that sharp electrode, remaining electrode is smooth surface, and the plate electrode edge adopts slick and sly chamfering structure; The electrode fixed sturcture adopts plug-in type or screw-type, guarantees that conduction is good.
Further; Said bushing is selected according to the electric pressure of requirements of model; The interior metal conductive material adopts copper or aluminium, smooth surface, and the exterior insulation full skirt adopts porcelain material or synthetic composite insulating material; The corona free discharge under the trial voltage of regulation of connection terminal and grading shield, the joint face of joint flange is smooth and the groove that O-ring seal is installed arranged.
Further; Said metal enclosed air chamber adopts aluminium alloy or cast aluminum casings; The joint face of four ports in upper and lower, left and right is smooth and have groove, adsorbent frame that O-ring seal is installed to adopt the wire netting mount structure, and internal capacity satisfies the installation of adsorbent, and seal adopts O-ring seals or other rubber seals; The port shrouding is a metal material, guarantees good with contacting of housing.
Further, the gaseous tension of said metal enclosed air chamber is 0.1～0.8MPa.
Further, the gaseous tension of said metal enclosed air chamber is 0.2～0.7MPa.
Further, said metal enclosed air chamber fills different gas according to the application scenario different choice, comprises air, nitrogen, SF
6Gas.
Further; Said earthing device is the slideable grounding switch of internal interface earthed conductor, and said internal interface earthed conductor is copper or aluminium material, and said metal shell is a metal material; Guarantee good with contacting of said metal enclosed gas chamber shell; Said and position indicator adopt pointer-type or scale formula, with the slideable grounding switch of said internal interface earthed conductor be mechanical interlock, adopt hermetically-sealed construction between slipper and the shell fixed part.
Further, said gas filling valve is a needle valve, and said gas filling valve has the four-way valve seat; Communicate with gas gauge, inflation interface, venting interface, metal enclosed air chamber respectively; The external discharge valve of said venting interface is used for regulating the venting flow, regulates venting speed as required.
Further, said transparent insulation cover plate adopts pmma material, and said explosion-proof backplate adopts high-strength engineering plastic or sheet steel.
Compared with prior art, the utlity model has following advantage:
One, applied range: can be used for the simulation and the detection of the characteristic such as ultrasonic mechanical wave-wave, uhf electromagnetic wave, visible light, pulsed current signal, decomposing gas thing of shelf depreciation as required.
Two, electric discharge type is various: replaceable different sparking electrode produces different discharges, but corona, insulating part internal discharge, insulating part surface-discharge, the discharge of floating potential body etc. in the analog gas.
Three, selection is convenient: the existing parts of metal enclosed combined electrical apparatus capable of using, assembling after simple processing.Each seal and sealing surface can utilize existing parts, do not need additional processing.
Four, safe and reliable: view window adopts transparent insulation cover plate and explosion-proof backplate duplicate protection, and selection is the not quick-fried broken material that is hit, arcing not, the shell blast of having avoided the discharge arcing to cause.
Five, easy to maintenance: if inside has gas leakage directly from tensimeter, to embody, can directly open view window and handle if change electrode, the air chamber capacity is moderate is convenient to change gas.
Description of drawings
Shown in Figure 1 is the gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means structural representation of the utility model preferred embodiment.
Shown in Figure 2 is the metal enclosed air chamber of the utility model preferred embodiment and the structural representation of internal discharge electrode.
Embodiment
In order more to understand the technology contents of the utility model, special act specific embodiment also cooperates appended graphic explanation following.
Please refer to Fig. 1 and Fig. 2; Shown in Figure 1 is the gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means structural representation of the utility model preferred embodiment, and shown in Figure 2 is the metal enclosed air chamber of the utility model preferred embodiment and the structural representation of internal discharge electrode.The utility model proposes a kind of gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means, mainly is made up of sparking electrode 1, bushing 7, metal enclosed air chamber 9, earthing device 4, aerating and exhaust device 2, view window 10 6 parts; Described sparking electrode 1 comprises high-field electrode 130, earth potential electrode 131, high-field electrode fixed sturcture; The ground electrode fixed sturcture; Described bushing 7 comprises interior metal conductor 129, exterior insulation full skirt, connection terminal 5, grading shield 6, joint flange 8; Described metal enclosed air chamber 9 comprises four-way metal shell (having four ports in upper and lower, left and right), adsorbent frame 121, seal, port shrouding; Described earthing device 4 comprises removable earth conductor 126, metal shell, position indicator 128, and described aerating and exhaust device comprises gas filling valve 124, SF
6 Gas gauge 123, view window 10 comprise transparent insulation cover plate 133, explosion-proof backplate 132; Described bushing 7 is connected with metal enclosed air chamber 9 upper ends; Sparking electrode 1 is equipped with in metal enclosed air chamber 9 inside; High-field electrode 130 joins through fixed sturcture and inside pipe casing metallic conductor 129, and earth potential electrode 131 joins through fixed sturcture and earthing device 4, the left side of metal enclosed air chamber 9 (or right) termination aerating and exhaust device 2; The right side of metal enclosed air chamber 9 (or left side) end is installed view window 10, and the bottom of metal enclosed air chamber 9 connects earthing device 4.Whole device is placed through supporting construction 11.
Above-mentioned sparking electrode 1 is combined by high-field electrode 130 and earth potential electrode 131; Can adopt four kinds of electrode structures: point-plate, ball-metal fillings-plate, plate-epoxy insulation piece-plate, plate-floating potential body-plate; Optional copper of electrode material or aluminium; Except that sharp electrode, remaining electrode is smooth surface, and the plate electrode edge adopts slick and sly chamfering structure.The electrode fixed sturcture can adopt plug-in type or screw-type, guarantees that conduction is good.
Above-mentioned bushing 7 is selected according to the electric pressure of requirements of model; Optional copper of interior metal conductive material or aluminium; Smooth surface; Exterior insulation adopts porcelain material or synthetic composite insulating material, and top connection terminal 5 is answered the corona free discharge with grading shield 6 under the trial voltage of regulation, and the joint face of joint flange 8 is smooth and the groove that O-ring seal is installed arranged.
Above-mentioned metal enclosed air chamber 9 adopts aluminium alloy or cast aluminum casings; The joint face of four ports in upper and lower, left and right is smooth and have groove, adsorbent frame that O-ring seal is installed to adopt the wire netting mount structure; Internal capacity can satisfy the installation of adsorbent; Seal can adopt O-ring seals or other rubber seals, and the port shrouding is a metal material, guarantees good with contacting of housing.
The gaseous tension of above-mentioned metal enclosed air chamber 9 is 0.1～0.8MPa, preferred 0.2～0.7MPa.
Above-mentioned metal enclosed air chamber 9 can be selected to fill different gas according to the application scenario difference, comprises air, nitrogen, SF
6Gas.
Above-mentioned earthing device 4 is a slidably grounding switch of internal interface earthed conductor; Removable earth conductor is copper or aluminium material; Metal shell is a metal material, guarantees well with contacting of metal enclosed gas chamber shell 9, and position indicator 128 adopts pointer-type or scale formulas; With inside slidably grounding switch be mechanical interlock, adopt hermetically-sealed construction between slipper and the shell fixed part.
Above-mentioned gas filling valve 124 is a needle valve, has good load performance and sealing property.Gas filling valve 124 has 4 logical valve seats, communicates with gas gauge 123, inflation interface 125, venting interface 122, metal enclosed air chamber 9 respectively.Venting interface 122 external discharge valves, but flexible venting flow is regulated venting speed as required.
Above-mentioned view window 10 is used to observe the visible situation of internal discharge, can cooperate video recorder to realize the record of discharge process.
Above-mentioned transparent insulation cover plate 133 adopts the high-quality pmma material, has good load performance and light transmission.
Above-mentioned explosion-proof backplate 132 adopts high-strength engineering plastic or sheet steels, prevents the transparent cover plate 133 generation impact failure of breaking.
The utility model utilizes different sparking electrodes to produce dissimilar shelf depreciations; Utilize the slidably adjusting of earth conductor realization interelectrode distance, thus the discharge that produces varying strength; Utilize view window to represent the visible situation of discharge; Metal shell provides the ultrasonic signal measuring point of discharge; Insulation cover plate provides the ultra-high frequency signal measuring point of discharge; Venting interface and reduction valve cooperate accomplishes SF
6The collection of analyte.This utility model can be directly and coupling condenser with detect resistance fit, realize that the electric pulse method of shelf depreciation is measured.
According to the utility model preferred embodiment, the gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means that the utility model proposes is mainly introduced high voltage by connection terminal 5 and grading shield 6; Surround the air chamber of sealing by bushing 7, metal-enclosed shell 9, view window 10, earthing device 4, aerating and exhaust device 2; The charging-discharging function of air chamber is accomplished by gas-charging connection 125, vent connection 122, tensimeter 123, needle valve 124 jointly; The pressure size of air chamber is read by tensimeter 3 (123); High voltage is by inside pipe casing conductor 129 and 130 conductings of discharge high-field electrode; Earth potential is by earth potential electrode 131, slip ground connection guide rod 126 and 134 conductings of ground connection housing; The slip of slip ground connection guide rod 126 is accomplished by ground connection operating mechanism 127; Position indicator 128 has been indicated the reference position of earth potential electrode; Explosion-proof backplate 132 is fixed on the ground connection housing 134, when needs are observed the internal discharge situation, can hand rotation expose the organic glass insulcrete 133 of its back; Organic glass insulcrete 133 is that full impregnated is bright, and thickness satisfies the requirement of strength of gaseous tension in the metal-enclosed shell 9; Adsorbent frame 121 inside can be placed the special-purpose adsorbent of adsorption moisture and analyte as required, and framework is a metal material, and assurance is in earth potential and electric field intensity is low; Sparking electrode can adopt sharp plate electrode (being combined with earth potential electrode 131 by electric high-field electrode 130), insulating surface sparking electrode 135, insulation internal discharge electrode 136, floating potential sparking electrode 137 according to the needs of research.Metal-enclosed shell 9 inside can charge into the SF of 0.5MPa
6Gas, bushing can insert the 50kV high pressure, and sharp plate electrode spacing is chosen as 15mm, carries out the simulation of sharp plate discharge.Can ultrasonic sensor be installed on the metal-enclosed shell 9, uhf sensor be installed on the organic glass insulcrete 133, gas collecting device be installed on the vent connection 122, between ground connection housing 134 and ground, inserted the shelf depreciation mutual impedance, to realize the multi-usage comprehensive detection of mechanical wave, electromagnetic wave, chemolysis thing, electric pulse.
Compared with prior art, the utlity model has following advantage:
One, applied range: can be used for the simulation and the detection of the characteristic such as ultrasonic mechanical wave-wave, uhf electromagnetic wave, visible light, pulsed current signal, decomposing gas thing of shelf depreciation as required.
Two, electric discharge type is various: replaceable different sparking electrode produces different discharges, but corona, insulating part internal discharge, insulating part surface-discharge, the discharge of floating potential body etc. in the analog gas.
Three, selection is convenient: the existing parts of metal enclosed combined electrical apparatus capable of using, assembling after simple processing.Each seal and sealing surface can utilize existing parts, do not need additional processing.
Four, safe and reliable: view window adopts transparent insulation cover plate and explosion-proof backplate duplicate protection, and selection is the not quick-fried broken material that is hit, arcing not, the shell blast of having avoided the discharge arcing to cause.
Five, easy to maintenance: if inside has gas leakage directly from tensimeter, to embody, can directly open view window and handle if change electrode, the air chamber capacity is moderate is convenient to change gas.
Though the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Has common knowledge the knowledgeable in the technical field under the utility model, in spirit that does not break away from the utility model and scope, when doing various changes and retouching.Therefore, the protection domain of the utility model is as the criterion when looking claims person of defining.
Claims (10)
1. a gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means is characterized in that, this device is made up of sparking electrode, bushing, metal enclosed air chamber, earthing device, aerating and exhaust device, view window;
Wherein, said sparking electrode comprises high-field electrode, earth potential electrode, high-field electrode fixed sturcture, ground electrode fixed sturcture;
Said bushing comprises interior metal conductor, exterior insulation full skirt, connection terminal, grading shield, joint flange;
Said metal enclosed air chamber comprises four-way metal shell, adsorbent frame, seal, port shrouding;
Described earthing device comprises removable earth conductor, metal shell, position indicator;
Described aerating and exhaust device comprises gas filling valve, SF
6Gas gauge;
Said view window comprises transparent insulation cover plate, explosion-proof backplate;
Said bushing is connected with metal enclosed air chamber upper end; The said sparking electrode of the inner installing of said metal enclosed air chamber; Said high-field electrode joins through said high-field electrode fixed sturcture and bushing interior metal conductor; Said earth potential electrode joins through said ground electrode fixed sturcture and said earthing device, and the two ends of said metal enclosed air chamber connect said aerating and exhaust device and said view window respectively, and the bottom of said metal enclosed air chamber connects said earthing device.
2. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1; It is characterized in that said sparking electrode is formed by high-field electrode and earth potential combination of electrodes, adopt four kinds of electrode structures: point-plate, ball-metal fillings-plate, plate-epoxy insulation piece-plate, plate-floating potential body-plate; The electrode material is copper or aluminium; Except that sharp electrode, remaining electrode is smooth surface, and the plate electrode edge adopts slick and sly chamfering structure; The electrode fixed sturcture adopts plug-in type or screw-type, guarantees that conduction is good.
3. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1; It is characterized in that said bushing is selected according to the electric pressure of requirements of model, the interior metal conductive material adopts copper or aluminium; Smooth surface; The exterior insulation full skirt adopts porcelain material or synthetic composite insulating material, and connection terminal and grading shield be the corona free discharge under the trial voltage of regulation, and the joint face of joint flange is smooth and the groove of installation O-ring seal arranged.
4. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1; It is characterized in that said metal enclosed air chamber adopts aluminium alloy or cast aluminum casings, the joint face of four ports in upper and lower, left and right is smooth and have groove, adsorbent frame that O-ring seal is installed to adopt the wire netting mount structure; Internal capacity satisfies the installation of adsorbent; Seal adopts O-ring seals or other rubber seals, and the port shrouding is a metal material, guarantees good with contacting of housing.
5. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1 is characterized in that the gaseous tension of said metal enclosed air chamber is 0.1～0.8MPa.
6. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 5 is characterized in that the gaseous tension of said metal enclosed air chamber is 0.2～0.7MPa.
7. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1 is characterized in that said metal enclosed air chamber fills different gas according to the application scenario different choice, comprises air, nitrogen, SF
6Gas.
8. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1; It is characterized in that; Said earthing device is the slideable grounding switch of internal interface earthed conductor, and said internal interface earthed conductor is copper or aluminium material, and said metal shell is a metal material; Guarantee good with contacting of said metal enclosed gas chamber shell; Said and position indicator adopt pointer-type or scale formula, with the slideable grounding switch of said internal interface earthed conductor be mechanical interlock, adopt hermetically-sealed construction between slipper and the shell fixed part.
9. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1; It is characterized in that said gas filling valve is a needle valve, said gas filling valve has the four-way valve seat; Communicate with gas gauge, inflation interface, venting interface, metal enclosed air chamber respectively; The external discharge valve of said venting interface is used for regulating the venting flow, regulates venting speed as required.
10. gas-insulated metal-enclosed equipment polymorphic type shelf depreciation analogue means according to claim 1 is characterized in that, said transparent insulation cover plate adopts pmma material, and said explosion-proof backplate adopts high-strength engineering plastic or sheet steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202940418U CN202177684U (en) | 2011-08-12 | 2011-08-12 | Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device |
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|---|---|---|---|
| CN2011202940418U CN202177684U (en) | 2011-08-12 | 2011-08-12 | Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device |
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| CN2011202940418U Withdrawn - After Issue CN202177684U (en) | 2011-08-12 | 2011-08-12 | Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device |
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| CN102789922A (en) * | 2012-08-03 | 2012-11-21 | 北京合纵科沃尔电力科技有限公司 | SMC1 high-pressure load switch |
| CN102819003A (en) * | 2012-08-23 | 2012-12-12 | 四川省电力公司泸州电业局 | Remote-control partial discharge photoelectric generator |
| CN102928744A (en) * | 2011-08-12 | 2013-02-13 | 上海市电力公司 | Partial discharge simulator of metal closed composite apparatus |
| CN103672267A (en) * | 2013-09-30 | 2014-03-26 | 广州供电局有限公司 | Sample introduction adapter device of gas detector and application method thereof |
| CN104836188A (en) * | 2015-04-15 | 2015-08-12 | 江苏华江科技有限公司 | Cable connecting housing for ultrahigh-voltage GIS breaker switch |
| CN104835676A (en) * | 2015-04-15 | 2015-08-12 | 江苏华江科技有限公司 | Ultrahigh-voltage GIS isolating switch housing |
| CN105223528A (en) * | 2015-10-20 | 2016-01-06 | 国家电网公司 | A kind of adjustable cable shelf depreciation analogue means |
| CN105572550A (en) * | 2015-12-18 | 2016-05-11 | 平高集团有限公司 | Insulating test piece and test electrode device using same |
| CN106099713A (en) * | 2016-06-06 | 2016-11-09 | 柳州市海格电气有限公司 | 220kV semi-enclosed sulfur hexafluoride gas-insulating switchgear manufacture method |
| CN106485995A (en) * | 2016-11-17 | 2017-03-08 | 南方电网科学研究院有限责任公司 | Casing model manufacturing method and system |
| CN107404083A (en) * | 2017-08-23 | 2017-11-28 | 中科电力装备集团有限公司 | A kind of double-bus configuration system of high-tension switch gear |
| CN109324273A (en) * | 2018-11-13 | 2019-02-12 | 中国电力科学研究院有限公司 | It is a kind of to examine fault location test system of the GIL based on manual discharge for extra-high voltage electrified |
| CN109324271A (en) * | 2018-11-13 | 2019-02-12 | 中国电力科学研究院有限公司 | It is a kind of to examine sensitivity test macro of the GIL based on manual discharge for extra-high voltage electrified |
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2011
- 2011-08-12 CN CN2011202940418U patent/CN202177684U/en not_active Withdrawn - After Issue
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| CN102928744A (en) * | 2011-08-12 | 2013-02-13 | 上海市电力公司 | Partial discharge simulator of metal closed composite apparatus |
| CN102789922B (en) * | 2012-08-03 | 2015-04-15 | 北京合纵科沃尔电力科技有限公司 | SMC1 high-pressure load switch |
| CN102789922A (en) * | 2012-08-03 | 2012-11-21 | 北京合纵科沃尔电力科技有限公司 | SMC1 high-pressure load switch |
| CN102819003A (en) * | 2012-08-23 | 2012-12-12 | 四川省电力公司泸州电业局 | Remote-control partial discharge photoelectric generator |
| CN103672267A (en) * | 2013-09-30 | 2014-03-26 | 广州供电局有限公司 | Sample introduction adapter device of gas detector and application method thereof |
| CN104836188A (en) * | 2015-04-15 | 2015-08-12 | 江苏华江科技有限公司 | Cable connecting housing for ultrahigh-voltage GIS breaker switch |
| CN104835676A (en) * | 2015-04-15 | 2015-08-12 | 江苏华江科技有限公司 | Ultrahigh-voltage GIS isolating switch housing |
| CN105223528A (en) * | 2015-10-20 | 2016-01-06 | 国家电网公司 | A kind of adjustable cable shelf depreciation analogue means |
| CN105572550A (en) * | 2015-12-18 | 2016-05-11 | 平高集团有限公司 | Insulating test piece and test electrode device using same |
| CN105572550B (en) * | 2015-12-18 | 2019-01-22 | 平高集团有限公司 | A kind of insulation test specimen and the test electrode apparatus using the insulation test specimen |
| CN106099713A (en) * | 2016-06-06 | 2016-11-09 | 柳州市海格电气有限公司 | 220kV semi-enclosed sulfur hexafluoride gas-insulating switchgear manufacture method |
| CN106485995A (en) * | 2016-11-17 | 2017-03-08 | 南方电网科学研究院有限责任公司 | Casing model manufacturing method and system |
| CN106485995B (en) * | 2016-11-17 | 2022-09-16 | 南方电网科学研究院有限责任公司 | Casing model manufacturing method and system |
| CN107404083A (en) * | 2017-08-23 | 2017-11-28 | 中科电力装备集团有限公司 | A kind of double-bus configuration system of high-tension switch gear |
| CN109324273A (en) * | 2018-11-13 | 2019-02-12 | 中国电力科学研究院有限公司 | It is a kind of to examine fault location test system of the GIL based on manual discharge for extra-high voltage electrified |
| CN109324271A (en) * | 2018-11-13 | 2019-02-12 | 中国电力科学研究院有限公司 | It is a kind of to examine sensitivity test macro of the GIL based on manual discharge for extra-high voltage electrified |
| CN109324272A (en) * | 2018-11-13 | 2019-02-12 | 中国电力科学研究院有限公司 | It is a kind of to examine trouble unit of the GIL based on manual discharge for extra-high voltage electrified |
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