CN212159986U - Test device for insulation research of integrated parallel capacitor - Google Patents
Test device for insulation research of integrated parallel capacitor Download PDFInfo
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- CN212159986U CN212159986U CN202020592769.8U CN202020592769U CN212159986U CN 212159986 U CN212159986 U CN 212159986U CN 202020592769 U CN202020592769 U CN 202020592769U CN 212159986 U CN212159986 U CN 212159986U
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Abstract
The utility model discloses a set formula shunt capacitance ware test device for insulation research, including condenser core main part, condenser core main part is installed on metal casing, supports through insulating cushion between core main part and the metal casing and forms insulation distance. The utility model discloses improved high voltage insulation withstand voltage test's feasibility by a wide margin, reduced the experimental cost of set formula shunt capacitor product research and development, provide experimental data support for set formula shunt capacitor's design.
Description
Technical Field
The utility model belongs to the technical field of power capacitor, a set formula parallel capacitor is test device for insulation research is related to.
Background
The integrated parallel capacitor is characterized in that a certain number of capacitor units are connected in series and mounted on a supporting frame to form a core main body, the core main body is mounted on a metal shell, the volume of the traditional frame type capacitor is reduced through oil paper insulation, the integrated parallel capacitor has the advantages of small floor area and good earthquake resistance, and is widely applied to transformer substations in developed regions with difficulty in meeting places and high earthquake resistance requirements. In the design process of the integrated parallel capacitor, the insulation of the core main body and the insulation distance between the core main body and the metal shell are one of main factors influencing the specific characteristic performance of a product, the national standard and the user requirement are met by repeated voltage-resistant tests, and the specific characteristic of the product and the production cost of the product are reduced.
The integrated shunt capacitor has considerable volume and weight as high-voltage power equipment, needs a large field and auxiliary equipment when directly adopting the integrated shunt capacitor product core main body and the metal shell to carry out insulation distance test research, and has difficult operability and high test cost in research tests.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a set formula shunt capacitor is test device for insulation research, the device have improved high voltage insulation withstand voltage test's feasibility by a wide margin, have reduced the experimental cost of set formula shunt capacitor product research and development, provide experimental data support for the design of set formula shunt capacitor.
The utility model provides a technical scheme be, a set formula parallel capacitor is test device for insulation research, including condenser core main part, condenser core main part is installed on metal casing, supports through insulating cushion between core main part and the metal casing and forms insulation distance.
The utility model is also characterized in that,
the capacitor core main body comprises a capacitor unit, two terminals of the capacitor unit are connected through a first bus bar, the capacitor unit is fixed on the right side of a capacitor frame through a lifting bar, a second bus bar is fixed on the left side of the capacitor frame through an insulating screw rod and led out upwards, and the first bus bar and the second bus bar are connected through a third bus bar.
The first bus bar, the second bus bar and the third bus bar are all sheet aluminum bar bare conductors or sheet copper bar bare conductors.
The metal shell is provided with a grounding drain and an oil drain hole.
And an insulating material is filled between the capacitor frame and the metal shell.
The beneficial effects of the utility model are that, the utility model discloses the electric potential distribution of the actual set formula shunt capacitor product of simulation only adopts a capacitor unit to realize 10 ~ 66kV voltage class set formula shunt capacitor interelectrode insulation and utmost point to shell insulation test research through reasonable wiring, solve the insulating problem of experimental research difficulty of insulation distance between set formula shunt capacitor product core main part and metal casing, maneuverability is strong, and can carry out the repetition test, provide experimental support for the design of set formula shunt capacitor product, use manpower sparingly simultaneously, material resources and financial resources.
Drawings
FIG. 1 is a front view of an embodiment 1 of a testing apparatus for insulation research of an integrated parallel capacitor according to the present invention;
FIG. 2 is a left side view of the testing apparatus for insulation research of the integrated shunt capacitor of the present invention, which is an embodiment 1;
FIG. 3 is a plan view of an embodiment 1 of the testing apparatus for insulation research of an integrated parallel capacitor according to the present invention;
FIG. 4 is a front view of the testing apparatus for insulation research of the integrated shunt capacitor of the present invention, in accordance with embodiment 2;
FIG. 5 is a left side view of the testing apparatus for insulation research of the integrated shunt capacitor of the present invention, which is an embodiment 2;
fig. 6 is a plan view of the testing apparatus for insulation research of the integrated shunt capacitor of the present invention, in accordance with embodiment 2.
In the figure, 1 is a capacitor unit, 2 is a lifting lug, 3 is a capacitor frame, 4 is a first bus bar, 5 is a second bus bar, 6 is an insulating screw rod, 7 is a third bus bar, 8 is a metal shell, and 9 is an insulating cushion block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a set formula parallel capacitor is test device for insulation research, as shown in fig. 1 ~ 3, including the condenser core main part that contains condenser unit 1, capacitor frame 3, first busbar 4, second busbar 5, third busbar 7, insulating screw 6, condenser core main part is installed in metal casing 8, and the insulation distance is supported by insulating cushion 9 between capacitor frame 3 and metal casing 8.
Two terminals of the capacitor unit 1 are connected by a first bus bar 4, the capacitor unit 1 is fixed to the right side of the capacitor frame 3 by a hanger 2, a second bus bar 5 is fixed to the left side of the capacitor frame 3 by an insulating screw 6 and is led out upward, and the first bus bar 4 and the second bus bar 5 are connected by a third bus bar 7.
The first bus bar 4, the second bus bar 5 and the third bus bar 7 are all sheet aluminum bar bare conductors or sheet copper bar bare conductors.
The metal shell 8 is provided with a grounding drain and an oil drain hole. The metal shell 8 is made of steel.
The capacitor frame 3 is made of steel and is subjected to hot galvanizing surface treatment on the whole.
The insulating screw 6 and the insulating cushion block 9 are made of nylon materials.
And an insulating material is filled between the capacitor frame and the metal shell 8, and the insulating material is a liquid insulating material, a solid insulating material or a solid-liquid composite insulating material.
Example 1
The utility model relates to a wiring diagram of a testing device for insulation research of an integrated parallel capacitor, as shown in figures 1-3, a capacitor unit 1 is fixed on the right side of a capacitor frame 3 through a lifting bar 2, two terminals of the capacitor unit 1 are short-circuited through a first bus bar 4, a second bus bar 5 is fixed on the left side of the capacitor frame 3 through an insulation screw 6 and is led out upwards, the first bus bar 4 and the second bus bar 5 are connected through a third bus bar 7 to connect the first bus bar 4 and the capacitor frame 3 in a short circuit way, a power frequency alternating voltage is applied between the intersection of the first bus bar 4 and the capacitor frame 3 and a metal shell 8, the height A of an insulation cushion block 9 between the core frame 3 and the metal shell 1, the insulation distance B between the terminal side of the core capacitor unit 1 and the metal shell 1, and the insulation distance C between the narrow side of the second bus bar 5 and the metal shell 1 are respectively adjusted, until the national standard and the requirements of the user are met.
Example 2
The utility model relates to a set formula shunt capacitance ware is wiring diagram of test device for insulation research, as shown in fig. 4 ~ 6, capacitor unit 1 is adorned in capacitor frame 3, two terminals of capacitor unit 1 are through 4 short circuits of first busbar, second busbar 5 is fixed and upwards drawn forth in capacitor frame 3 left side through insulating screw rod 6, with capacitor frame 3, first busbar 4, 8 short circuits of metal casing and ground connection, capacitor frame 3, first busbar 4, the intersection that metal casing 8 is connected and 5 intervals power frequency alternating voltage of second busbar are applyed, the pure oil gap distance of adjustment distance D, perhaps the insulating screw rod length of adjustment distance E, until satisfying national standard and user's requirement.
Claims (5)
1. The utility model provides a set formula parallel capacitor is test device for insulation research which characterized in that: the capacitor core comprises a capacitor core main body, wherein the capacitor core main body is arranged on a metal shell, and an insulation distance is formed between the core main body and the metal shell through supporting of an insulation cushion block.
2. The integrated test device for the insulation research of the parallel capacitor according to claim 1, wherein: the capacitor core main body comprises a capacitor unit, two terminals of the capacitor unit are connected through a first bus bar, the capacitor unit is fixed on the right side of a capacitor frame through a lifting bar, a second bus bar is fixed on the left side of the capacitor frame through an insulating screw rod and led out upwards, and the first bus bar and the second bus bar are connected through a third bus bar.
3. The integrated parallel capacitor insulation research test device according to claim 2, characterized in that: the first bus bar, the second bus bar and the third bus bar are all sheet aluminum bar bare conductors or sheet copper bar bare conductors.
4. The integrated parallel capacitor insulation research test device according to claim 2, characterized in that: and the metal shell is provided with a grounding drain and an oil drain hole.
5. The integrated parallel capacitor insulation research test device according to claim 2, characterized in that: and an insulating material is filled between the capacitor frame and the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592769.8U CN212159986U (en) | 2020-04-20 | 2020-04-20 | Test device for insulation research of integrated parallel capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592769.8U CN212159986U (en) | 2020-04-20 | 2020-04-20 | Test device for insulation research of integrated parallel capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212159986U true CN212159986U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020592769.8U Active CN212159986U (en) | 2020-04-20 | 2020-04-20 | Test device for insulation research of integrated parallel capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212159986U (en) |
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2020
- 2020-04-20 CN CN202020592769.8U patent/CN212159986U/en active Active
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