WO2020093260A1 - High-voltage power capacitor - Google Patents
High-voltage power capacitor Download PDFInfo
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- WO2020093260A1 WO2020093260A1 PCT/CN2018/114280 CN2018114280W WO2020093260A1 WO 2020093260 A1 WO2020093260 A1 WO 2020093260A1 CN 2018114280 W CN2018114280 W CN 2018114280W WO 2020093260 A1 WO2020093260 A1 WO 2020093260A1
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- insulator
- section
- insulators
- flange
- porcelain sleeve
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- 239000003990 capacitor Substances 0.000 title claims abstract description 22
- 239000012212 insulator Substances 0.000 claims abstract description 88
- 229910052573 porcelain Inorganic materials 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/16—Fastening of insulators to support, to conductor, or to adjoining insulator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
Definitions
- the invention relates to a capacitor, in particular to a high-voltage power capacitor with a stable center of gravity.
- High-voltage capacitor is a kind of element which is mainly made of pole plate and inter-electrode medium by winding, and then the element is assembled into a capacitor core through series and parallel connection and installed in the case. The two poles of the capacitor core pass through the capacitor The casing leads.
- High-voltage capacitors have different voltages depending on their application. At present, the rated voltage of high-voltage shunt capacitors is mainly above 1 kV and below 20 kV. Shunt capacitors of this voltage level can be directly used in devices of corresponding voltage levels, and the housing can be directly grounded.
- the high-voltage capacitor is high in height and large in volume, and generally needs to be fixed by a fixing seat during installation, which is inconvenient to transport and affects the appearance.
- the technical problem to be solved by the present invention is to provide a high-voltage power capacitor with a simple structure, a stable center of gravity, and a long service life.
- the technical solutions adopted by the present invention are:
- a high-voltage power capacitor whose innovation lies in that it includes a base and a first section insulator, a second section insulator, a third section insulator, a fourth section insulator, a fifth section which are sequentially increased in diameter from top to bottom on the base Section insulator and section 6 insulator;
- the base includes three post insulators distributed in an equilateral triangle and a support provided at the upper end of the post insulator; the post insulator has a diameter of 356 mm and a height of 657-659 mm; the post insulator includes a solid porcelain sleeve and a suit Flange A at both ends of the solid porcelain sleeve; the gap between the inner wall of the flange A and the outer wall of the solid porcelain sleeve is filled with cement glue; the open end of the flange A is sealed by silicone rubber; the flange A of the post insulator is connected to the support by bolts ;
- the support is a rounded equilateral triangle, the height of the rounded equilateral triangle is 1050mm, and the lead angle radius is 300mm;
- the support and the post insulator are connected by bolts, and a washer is provided between the support and the post insulator;
- the sixth section insulators are connected by bolts, and a gasket is provided between the support and the sixth section insulators;
- the diameters of the six-section insulators from top to bottom are: 610mm, 610mm, 665mm, 705mm, 715mm, 715mm, and the heights are: 2350mm, 2350mm, 2350mm, 2350mm, 2350mm, 2450mm, and the six-section insulators include The hollow porcelain sleeve and the flange B provided at both ends of the hollow porcelain sleeve; the gap between the inner wall of the flange B and the outer wall of the hollow porcelain sleeve is filled with cement adhesive; the open end of the flange B is sealed with silicone rubber; between two adjacent insulators Washers are provided and connected by bolts; among the six-section insulators, the first section insulator, the second section insulator, the third section insulator and the sixth section insulator are provided with a voltage equalizing ring; Terminals are installed on the top.
- hollow porcelain sleeve or the solid porcelain sleeve, the flange A or the flange B and the cement adhesive contact surface are evenly coated with a layer of asphalt paint as a buffer layer.
- the structure of the present invention is simple and reasonable, and three pillar insulators are arranged on the base, and the diameter of the six-section insulators arranged on the base decreases from top to bottom, so that the center of gravity of the capacitor is stable and can be better Resist the damage of external wind and earthquake, etc., saving costs and improving the service life of capacitors.
- FIG. 1 is a schematic structural diagram of the present invention.
- FIG. 2 is a schematic structural view of the support of the present invention.
- FIG 3 is a schematic structural view of the post insulator of the present invention.
- FIG. 4 is a partial enlarged view of the post insulator of the present invention.
- FIG. 5 is a schematic diagram of the structure of the insulator on the upper end of the base of the present invention.
- FIG. 6 is a partial enlarged view of the insulator on the upper end of the base of the present invention.
- a high-voltage power capacitor includes a base 10 and a first section insulator 20, a second section insulator 30, a third section insulator 40, a
- the four-section insulator 50, the fifth-section insulator 60 and the sixth-section insulator 70, the diameters of the six-section insulators from top to bottom are: 610mm, 610mm, 665mm, 705mm, 715mm, 715mm, and the heights are: 2350mm, 2350mm, 2350mm , 2350mm, 2350mm, 2450mm;
- the base 10 includes three pillar insulators 11 distributed in an equilateral triangle and a support 12 provided on the upper end of the pillar insulator;
- the pillar insulator 11 has a diameter of 356mm and a height of 657-659mm;
- the pillar insulator 11 Including solid porcelain sleeve 111 and flange A112 sleeved on both ends of solid porcelain sleeve
- the contact surface of the hollow or solid porcelain sleeve, flange A or flange B and the cement adhesive is evenly coated with a layer of asphalt paint as a buffer layer.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Insulators (AREA)
Abstract
A high-voltage power capacitor, comprising: a base (10) as well as a first insulator (20), a second insulator (30), a third insulator (40), a fourth insulator (50), a fifth insulator (60), and a sixth insulator (70) mounted on the base (10) in order of increasing diameter from top to bottom. The base (10) comprises three post insulators (11) distributed in an equilateral triangle and a support (12) provided on the upper ends of the post insulators (11). The diameter of each post insulator (11) is 356 mm; the diameters of the six insulators from top to bottom are: 610 mm, 610 mm, 665 mm, 705 mm, 715 mm, and 715 mm. The structure of the high-voltage power capacitor is simple and reasonable. Three post insulators (11) are provided on the base (10), and the diameter of the six insulators provided on the base (10) is trapezoidally increasing from top to bottom, so that the center of gravity of the capacitor is stable, thereby better resisting external damages from, such as, wind and earthquakes, saving costs, and increasing the service life of the capacitor.
Description
本发明涉及一种电容器，具体涉及一种重心平稳的高压电力电容器。The invention relates to a capacitor, in particular to a high-voltage power capacitor with a stable center of gravity.
高压电容器是一种主要由极板及其极间介质通过卷绕的形式制作成元件，然后将元件通过串并联的形式组合成电容器芯子并装于箱壳内，电容器芯子的两极通过电容器套管引出。高压电容器随其应用场合的不同而电压不同，目前高压并联电容器的额定电压主要在1kV以上20kV等级以下，该电压等级的并联电容器可以直接应用于相应电压等级的装置中，外壳可以直接接地。高压电容器高度高，体积大，一般安装时需要通过固定座固定，固定座运输不方便而且影响美观。High-voltage capacitor is a kind of element which is mainly made of pole plate and inter-electrode medium by winding, and then the element is assembled into a capacitor core through series and parallel connection and installed in the case. The two poles of the capacitor core pass through the capacitor The casing leads. High-voltage capacitors have different voltages depending on their application. At present, the rated voltage of high-voltage shunt capacitors is mainly above 1 kV and below 20 kV. Shunt capacitors of this voltage level can be directly used in devices of corresponding voltage levels, and the housing can be directly grounded. The high-voltage capacitor is high in height and large in volume, and generally needs to be fixed by a fixing seat during installation, which is inconvenient to transport and affects the appearance.
发明内容Summary of the invention
本发明要解决的技术问题是提供一种结构简单、重心平稳，使用寿命长的高压电力电容器。The technical problem to be solved by the present invention is to provide a high-voltage power capacitor with a simple structure, a stable center of gravity, and a long service life.
为解决上述技术问题，本发明采用的技术方案为：To solve the above technical problems, the technical solutions adopted by the present invention are:
一种高压电力电容器，其创新点在于：包括基座和安装在基座上从上至下直径依次递增的第一节绝缘子、第二节绝缘子、第三节绝缘子、第四节绝缘子、第五节绝缘子和第六节绝缘子；A high-voltage power capacitor whose innovation lies in that it includes a base and a first section insulator, a second section insulator, a third section insulator, a fourth section insulator, a fifth section which are sequentially increased in diameter from top to bottom on the base Section insulator and section 6 insulator;
所述基座包括呈等边三角形分布的三个支柱绝缘子和设置在支 柱绝缘子上端的支座；所述支柱绝缘子的直径为356mm，高度为657-659mm；所述支柱绝缘子包括实心瓷套和套装于实心瓷套两端的法兰A；法兰A的内壁与实心瓷套外壁的缝隙间填充水泥胶合剂；法兰A开口端通过硅橡胶密封；支柱绝缘子的法兰A通过螺栓与支座连接；The base includes three post insulators distributed in an equilateral triangle and a support provided at the upper end of the post insulator; the post insulator has a diameter of 356 mm and a height of 657-659 mm; the post insulator includes a solid porcelain sleeve and a suit Flange A at both ends of the solid porcelain sleeve; the gap between the inner wall of the flange A and the outer wall of the solid porcelain sleeve is filled with cement glue; the open end of the flange A is sealed by silicone rubber; the flange A of the post insulator is connected to the support by bolts ;
所述支座为圆角等边三角形，圆角等边三角形的高为1050mm，导角半径为300mm；支座与支柱绝缘子通过螺栓连接，支座与支柱绝缘子之间设置有垫圈；支座与第六节绝缘子之间通过螺栓连接，支座与第六节绝缘子之间设置有垫圈；The support is a rounded equilateral triangle, the height of the rounded equilateral triangle is 1050mm, and the lead angle radius is 300mm; the support and the post insulator are connected by bolts, and a washer is provided between the support and the post insulator; The sixth section insulators are connected by bolts, and a gasket is provided between the support and the sixth section insulators;
所述六节绝缘子自上而下的直径依次为：610mm、610mm、665mm、705mm、715mm、715mm，高度依次为：2350mm、2350mm、2350mm、2350mm、2350mm，2450mm，所述的六节绝缘子均包括空心瓷套和设置于空心瓷套两端的法兰B；法兰B的内壁与空心瓷套外壁的缝隙间填充水泥胶合剂；法兰B开口端通过硅橡胶密封；相邻两个绝缘子之间设置有垫圈，并且通过螺栓连接；所述的六节绝缘子中，第一节绝缘子、第二节绝缘子、第三节绝缘子和第六节绝缘子上设置有均压环；所述第一节绝缘子的顶端安装有接线端子。The diameters of the six-section insulators from top to bottom are: 610mm, 610mm, 665mm, 705mm, 715mm, 715mm, and the heights are: 2350mm, 2350mm, 2350mm, 2350mm, 2350mm, 2450mm, and the six-section insulators include The hollow porcelain sleeve and the flange B provided at both ends of the hollow porcelain sleeve; the gap between the inner wall of the flange B and the outer wall of the hollow porcelain sleeve is filled with cement adhesive; the open end of the flange B is sealed with silicone rubber; between two adjacent insulators Washers are provided and connected by bolts; among the six-section insulators, the first section insulator, the second section insulator, the third section insulator and the sixth section insulator are provided with a voltage equalizing ring; Terminals are installed on the top.
进一步的，所述空心瓷套或实心瓷套、法兰A或法兰B和水泥胶合剂接触面均匀涂抹一层沥青漆作缓冲层。Further, the hollow porcelain sleeve or the solid porcelain sleeve, the flange A or the flange B and the cement adhesive contact surface are evenly coated with a layer of asphalt paint as a buffer layer.
本发明的有益效果：本发明结构简单合理，基座上设置三个支柱绝缘子，设置与于基座上的六节绝缘子的直径从上到下梯形递减，使得电容器的重心平稳，能够更好的抵抗外界风力及地震等的破坏，节 约了成本，提高了电容器的使用寿命。Beneficial effect of the present invention: The structure of the present invention is simple and reasonable, and three pillar insulators are arranged on the base, and the diameter of the six-section insulators arranged on the base decreases from top to bottom, so that the center of gravity of the capacitor is stable and can be better Resist the damage of external wind and earthquake, etc., saving costs and improving the service life of capacitors.
图1为本发明的结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2为本发明的支座的结构示意图。2 is a schematic structural view of the support of the present invention.
图3为本发明的支柱绝缘子的结构示意图。3 is a schematic structural view of the post insulator of the present invention.
图4为本发明的支柱绝缘子的局部放大图。4 is a partial enlarged view of the post insulator of the present invention.
图5为本发明的基座上端绝缘子的结构示意图。5 is a schematic diagram of the structure of the insulator on the upper end of the base of the present invention.
图6为本发明的基座上端绝缘子的局部放大图。6 is a partial enlarged view of the insulator on the upper end of the base of the present invention.
下面结合附图和具体实施例对本发明的技术方案作详细说明。The technical solution of the present invention will be described in detail below with reference to the drawings and specific embodiments.
如图1所示的一种高压电力电容器，包括基座10和安装在基座10上从上至下直径依次递减的第一节绝缘子20、第二节绝缘子30、第三节绝缘子40、第四节绝缘子50、第五节绝缘子60和第六节绝缘子70，六节绝缘子自上而下的直径依次为：610mm、610mm、665mm、705mm、715mm、715mm，高度依次为：2350mm、2350mm、2350mm、2350mm、2350mm，2450mm；基座10包括呈等边三角形分布的三个支柱绝缘子11和设置在支柱绝缘子上端的支座12；支柱绝缘子11的直径为356mm，高度为657-659mm；支柱绝缘子11包括实心瓷套111和套装于实心瓷套111两端的法兰A112；法兰A112的内壁与实心瓷套111外壁的缝隙间填充水泥胶合剂80；法兰A112开口端通过硅橡胶90密封；支柱绝缘子11的法兰A通过螺栓与支座12连接；12支座为圆角等边三角形，圆角等边三角形的高为1050mm，导角半径为300mm； 支座12与支柱绝缘子11通过螺栓连接，支座12与支柱绝缘子11之间设置有垫圈100；支座12与第六节绝缘子70之间通过螺栓连接，支座12与第六节绝缘子70之间设置有垫圈100；六节绝缘子均包括空心瓷套121和设置于空心瓷套两端的法兰B122；法兰B122的内壁与空心瓷套121外壁的缝隙间填充水泥胶合剂80；法兰B122开口端通过硅橡胶90密封；相邻两个绝缘子之间设置有垫圈100，并且通过螺栓连接；所述的六节绝缘子中，第一节绝缘子20、第二节绝缘子30、第三节绝缘子40和第六节绝缘子70上设置有均压环120；第一节绝缘20子的顶端安装有接线端子130。As shown in FIG. 1, a high-voltage power capacitor includes a base 10 and a first section insulator 20, a second section insulator 30, a third section insulator 40, a The four-section insulator 50, the fifth-section insulator 60 and the sixth-section insulator 70, the diameters of the six-section insulators from top to bottom are: 610mm, 610mm, 665mm, 705mm, 715mm, 715mm, and the heights are: 2350mm, 2350mm, 2350mm , 2350mm, 2350mm, 2450mm; the base 10 includes three pillar insulators 11 distributed in an equilateral triangle and a support 12 provided on the upper end of the pillar insulator; the pillar insulator 11 has a diameter of 356mm and a height of 657-659mm; the pillar insulator 11 Including solid porcelain sleeve 111 and flange A112 sleeved on both ends of solid porcelain sleeve 111; the gap between the inner wall of flange A112 and the outer wall of solid porcelain sleeve 111 is filled with cement adhesive 80; the open end of flange A112 is sealed by silicone rubber 90; The flange A of the insulator 11 is connected to the support 12 by bolts; the support 12 is a rounded equilateral triangle, the height of the rounded equilateral triangle is 1050mm, and the lead angle radius is 300mm; the support 12 and the post insulator 11 are screwed Connection, a washer 100 is provided between the support 12 and the post insulator 11; a bolt is connected between the support 12 and the sixth section insulator 70, a washer 100 is provided between the support 12 and the sixth section insulator 70; a six section insulator Both include a hollow porcelain sleeve 121 and flanges B122 provided at both ends of the hollow porcelain sleeve; the gap between the inner wall of the flange B122 and the outer wall of the hollow porcelain sleeve 121 is filled with cement adhesive 80; the open end of the flange B122 is sealed by silicone rubber 90; A washer 100 is provided between two adjacent insulators and is connected by bolts; among the six-section insulators, the first-section insulator 20, the second-section insulator 30, the third-section insulator 40 and the sixth-section insulator 70 are provided The pressure equalizing ring 120; the top end of the first section of the insulator 20 is installed with a terminal 130.
本实施例中空心或实心瓷套、法兰A或法兰B和水泥胶合剂接触面均匀涂抹一层沥青漆作缓冲层。In this embodiment, the contact surface of the hollow or solid porcelain sleeve, flange A or flange B and the cement adhesive is evenly coated with a layer of asphalt paint as a buffer layer.
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description only describe the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and improvements which fall within the scope of the claimed invention. The claimed protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (2)
- 一种高压电力电容器，其特征在于：包括基座和安装在基座上从上至下直径依次递增的第一节绝缘子、第二节绝缘子、第三节绝缘子、第四节绝缘子、第五节绝缘子和第六节绝缘子；A high-voltage power capacitor, characterized in that it includes a base and a first section insulator, a second section insulator, a third section insulator, a fourth section insulator, a fifth section, which are installed on the base in order of increasing diameter from top to bottom Insulators and Section VI insulators;所述基座包括呈等边三角形分布的三个支柱绝缘子和设置在支柱绝缘子上端的支座；所述支柱绝缘子的直径为356mm，高度为657-659mm；所述支柱绝缘子包括实心瓷套和套装于实心瓷套两端的法兰A；法兰A的内壁与实心瓷套外壁的缝隙间填充水泥胶合剂；法兰A开口端通过硅橡胶密封；支柱绝缘子的法兰A通过螺栓与支座连接；The base includes three post insulators distributed in an equilateral triangle and a support provided at the upper end of the post insulator; the post insulator has a diameter of 356 mm and a height of 657-659 mm; the post insulator includes a solid porcelain sleeve and a suit Flange A at both ends of the solid porcelain sleeve; the gap between the inner wall of the flange A and the outer wall of the solid porcelain sleeve is filled with cement glue; the open end of the flange A is sealed by silicone rubber; the flange A of the post insulator is connected to the support by bolts ;所述支座为圆角等边三角形，圆角等边三角形的高为1050mm，导角半径为300mm；支座与支柱绝缘子通过螺栓连接，支座与支柱绝缘子之间设置有垫圈；支座与第六节绝缘子之间通过螺栓连接，支座与第六节绝缘子之间设置有垫圈；The support is a rounded equilateral triangle, the height of the rounded equilateral triangle is 1050mm, and the lead angle radius is 300mm; the support and the post insulator are connected by bolts, and a washer is provided between the support and the post insulator; The sixth section insulators are connected by bolts, and a gasket is provided between the support and the sixth section insulators;所述六节绝缘子自上而下的直径依次为：610mm、610mm、665mm、705mm、715mm、715mm，高度依次为：2350mm、2350mm、2350mm、2350mm、2350mm，2450mm，所述的六节绝缘子均包括空心瓷套和设置于空心瓷套两端的法兰B；法兰B的内壁与空心瓷套外壁的缝隙间填充水泥胶合剂；法兰B开口端通过硅橡胶密封；相邻两个绝缘子之间设置有垫圈，并且通过螺栓连接；所述的六节绝缘子中，第一节绝缘子、第二节绝缘子、第三节绝缘子和第六节绝缘子上设置有均压环；所述第一节绝缘子的顶端安装有接线端子。The diameters of the six-section insulators from top to bottom are: 610mm, 610mm, 665mm, 705mm, 715mm, 715mm, and the heights are: 2350mm, 2350mm, 2350mm, 2350mm, 2350mm, 2450mm, and the six-section insulators include The hollow porcelain sleeve and the flange B provided at both ends of the hollow porcelain sleeve; the gap between the inner wall of the flange B and the outer wall of the hollow porcelain sleeve is filled with cement adhesive; the open end of the flange B is sealed with silicone rubber; between two adjacent insulators Washers are provided and connected by bolts; among the six-section insulators, the first section insulator, the second section insulator, the third section insulator and the sixth section insulator are provided with a voltage equalizing ring; Terminals are installed on the top.
- 根据权利要求1所述的一种高压电力电容器，其特征在于：所述空心瓷套或实心瓷套、法兰A或法兰B和水泥胶合剂接触面均匀涂抹一层沥青漆作缓冲层。A high-voltage power capacitor according to claim 1, wherein the hollow porcelain sleeve or the solid porcelain sleeve, flange A or flange B and the cement adhesive contact surface are evenly coated with a layer of asphalt paint as a buffer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/114280 WO2020093260A1 (en) | 2018-11-07 | 2018-11-07 | High-voltage power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/114280 WO2020093260A1 (en) | 2018-11-07 | 2018-11-07 | High-voltage power capacitor |
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| Publication Number | Publication Date |
|---|---|
| WO2020093260A1 true WO2020093260A1 (en) | 2020-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2018/114280 WO2020093260A1 (en) | 2018-11-07 | 2018-11-07 | High-voltage power capacitor |
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| Country | Link |
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| WO (1) | WO2020093260A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668787A (en) * | 2020-06-29 | 2020-09-15 | 中国电力工程顾问集团西南电力设计院有限公司 | Prevent wire jumper cluster of wire strain insulator-string slope |
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| CN202034133U (en) * | 2011-03-23 | 2011-11-09 | 大连拉普电瓷有限公司 | Bar-shaped post porcelain insulator for ultra-high voltage power station |
| CN103617887A (en) * | 2013-11-27 | 2014-03-05 | 江苏思源赫兹互感器有限公司 | High-voltage electric capacitor |
| CN203596277U (en) * | 2013-11-27 | 2014-05-14 | 江苏思源赫兹互感器有限公司 | High-voltage power capacitor |
| US20150048919A1 (en) * | 2012-01-13 | 2015-02-19 | Siemens Aktiengesellschaft | Method of manufacture of porcelain insulator structures and method and assembly for affixing metal flanges to porcelain insulators |
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| CN101847470A (en) * | 2009-03-27 | 2010-09-29 | 国家电网公司 | Ultra-high voltage outdoor bar-shaped porcelain support insulator |
| CN202034133U (en) * | 2011-03-23 | 2011-11-09 | 大连拉普电瓷有限公司 | Bar-shaped post porcelain insulator for ultra-high voltage power station |
| US20150048919A1 (en) * | 2012-01-13 | 2015-02-19 | Siemens Aktiengesellschaft | Method of manufacture of porcelain insulator structures and method and assembly for affixing metal flanges to porcelain insulators |
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| CN111668787A (en) * | 2020-06-29 | 2020-09-15 | 中国电力工程顾问集团西南电力设计院有限公司 | Prevent wire jumper cluster of wire strain insulator-string slope |
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