CN208921759U - A kind of all-closed gas insulating metal shell high voltage direct current generator - Google Patents
A kind of all-closed gas insulating metal shell high voltage direct current generator Download PDFInfo
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- CN208921759U CN208921759U CN201821553862.7U CN201821553862U CN208921759U CN 208921759 U CN208921759 U CN 208921759U CN 201821553862 U CN201821553862 U CN 201821553862U CN 208921759 U CN208921759 U CN 208921759U
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- tank body
- voltage divider
- grading ring
- main capacitance
- direct current
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Abstract
The utility model relates to a kind of all-closed gas insulating metal shell high voltage direct current generators.Grading ring is exported including totally-enclosed metal can and taper, the tank body front end is connected with charging transformer, main capacitance and silicon stack are equipped in the tank body, the main capacitance connects forming circuit by connecting rod with silicon stack, the taper output grading ring is installed on the end of main capacitance and silicon stack, taper output grading ring rear end is connected with resitstance voltage divider grading ring, the resitstance voltage divider grading ring is mounted below resitstance voltage divider, the resitstance voltage divider lower end is mounted on tank body, the resitstance voltage divider draws tank body by disc insulator, it is connected between the charging transformer and main capacitance and exchanges side protective resistance, insulating gas is filled in the tank body.The utility model structure is simple, easily manufactured, and by using the utility model structure, overall volume is small, and occupied area is small, and securely and reliably stablizes.
Description
Technical field
The utility model relates to a kind of all-closed gas insulating metal shell high voltage direct current generators.
Background technique
High voltage direct current generator provides DC high-voltage source, is to be specifically used to detect the electrical insulation strength of electrical device and let out
Leakage current.Intelligent DC High Voltage Generator is according to China-styled Certain Industry Field standard ZBF 24003-90 " Portable DC high voltage generator
General technical specifications " requirement, current research, design, manufacture, are new era products, Intelligent DC High Voltage Generator has
Multi-protective function, such as: low pressure overcurrent, low pressure over-voltage, high-pressure and overflowing, high pressure over-voltage, zero position protection, earth-free protection.Therefore
Barrier sampling uses dedicated sensor, and actuation time is nanosecond, and optical isolation element is also nanosecond, and actuation time is generally 10
Microsecond can complete switch off direct current major loop, so that maximum protect instrument injury-free.But existing high voltage direct current generator
Disadvantage is more, bulky, and open type takes up a large area, and safe distance is big.
Utility model content
In view of the foregoing drawbacks, the purpose of this utility model is to provide a kind of structure is simple, easily manufactured, overall volume
Small, occupied area is small, a kind of safe and reliable all-closed gas insulating metal shell high voltage direct current generator.
Thus the technical scheme adopted by the utility model is
Grading ring is exported including totally-enclosed metal can and taper, the tank body front end is connected with charging transformer, described
Main capacitance and silicon stack are equipped in tank body, the main capacitance connects forming circuit by connecting rod with silicon stack, and the taper output is equal
Pressure ring is installed on the end of main capacitance and silicon stack, and taper output grading ring rear end is connected with resitstance voltage divider grading ring, institute
It states resitstance voltage divider grading ring and is mounted below resitstance voltage divider, the resitstance voltage divider lower end is mounted on tank body, the electricity
It hinders divider and tank body is drawn by disc insulator, be connected between the charging transformer and main capacitance and exchange side protection electricity
Resistance, the tank body is interior to be filled with insulating gas.
As a further improvement of the above technical scheme, the main capacitance include multiplication of voltage king-post and filtering king-post, described times
Press king-post, filtering king-post and silicon stack arrangement in equilateral triangle.
As a further improvement of the above technical scheme, the tank body is externally provided with hydraulic station, and the hydraulic station passes through hydraulic
Oil pipe provides power source to silicon stack polar exchanging.
As a further improvement of the above technical scheme, the main capacitance uses oil immersion thin-film capacitor.
As a further improvement of the above technical scheme, the resitstance voltage divider is connected in series using glaze resistance.
The utility model has the advantages that:
The utility model structure is simple, easily manufactured, and by using the utility model structure, overall volume is small, takes up an area face
Product is small, and securely and reliably stablizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the axial cross-sectional view of Fig. 1.
1 it is tank body in figure, 2 be taper output grading ring, 3 be charging transformer, 4 be silicon stack, 5 be connecting rod, 6 is resistance
Divider grading ring, 7 be resitstance voltage divider, 8 be disc insulator, 9 be exchange side protective resistance, 10 be multiplication of voltage king-post, 11 be
Filtering king-post, 12 are hydraulic stations.
Specific embodiment
A kind of all-closed gas insulating metal shell high voltage direct current generator, including totally-enclosed metal can 1 and taper it is defeated
Grading ring 2 out, 1 front end of tank body are connected with charging transformer 3, are equipped with main capacitance and silicon stack 4, the master in the tank body 1
By the connection forming circuit of connecting rod 5, the taper output grading ring 2 is installed on the end of main capacitance Yu silicon stack 4 for capacitor and silicon stack 4
End, the taper output 2 rear end of grading ring are connected with resitstance voltage divider grading ring 6, and the resitstance voltage divider grading ring 6 is pacified below
Equipped with resitstance voltage divider 7,7 lower end of resitstance voltage divider is mounted on tank body 1, and the resitstance voltage divider 7 is insulated by benzvalene form
Son 8 draws tank body 1, is connected between the charging transformer 3 and main capacitance and exchanges side protective resistance 9, filling in the tank body 1
There is insulating gas.
As a further improvement of the above technical scheme, the main capacitance includes multiplication of voltage king-post 10 and filtering king-post 11, institute
State multiplication of voltage king-post 10, filtering king-post 11 and the arrangement in equilateral triangle of silicon stack 4.
As a further improvement of the above technical scheme, the tank body 1 is externally provided with hydraulic station 12, and the hydraulic station passes through liquid
Pressuring oil pipe provides power source to silicon stack polar exchanging.
As a further improvement of the above technical scheme, the main capacitance uses oil immersion thin-film capacitor.
As a further improvement of the above technical scheme, the resitstance voltage divider 7 is connected in series using glaze resistance.
High-pressure section is all enclosed in metal shell, and metal shell ground connection efficiently solves the problems, such as that safe distance is big, adopts
Use insulating gas as dielectric, so that the overall volume of equipment reduces, the bulky problem of effective solution.
Charging transformer uses gas-insulated transformer, makes its volume compression, the energy source as device；
Exchange side protective resistance is wound in an insulation framework, coiling terminates cover insulation using high-quality enamel-cover nickel filament
Cylinder eliminates the imperfection on surface, electric field of the optimization resistance to grounding shell；
Main capacitance plays multiplication of voltage and filter action in the loop, and capacitor uses good oil immersion thin-film capacitor, capacitor appearance
The coatings of spraying and insulating gas not phase reaction；
Silicon stack is the direct current component in circuit, is connected in series using good single diode (silicon particle), formation can be held
By single silicon stack original part of high voltage, inside is also to fill transformer oil to rely insulation, and appearance sprays and insulation gas as main capacitance
The coatings of body not phase reaction；
Connecting rod is the connecting line of link circuit circuit, is flexible connection using high-quality flexible metal conduit；
Taper output grading shield, which designs tapered arc, has pressure effect to high electric field, and grading ring uses aluminum material,
Convenient for the processing of the glossiness on surface, taper output grading shield can directly be smoothly transitted into main part corresponding benzvalene form
Insulator；
Metal shell is the carrier of complete unit, and all components of the device are all installed in metal shell, outside metal
High-voltage isulation gas is filled in shell, as the external insulation medium of each component, because to bear hyperbar, metal shell needs to have
The producer of standby qualification of production processes；
Resitstance voltage divider is connected using high-quality glaze resistance, is welded in for measuring the high-voltage arm of output high direct voltage
On poly (methyl methacrylate) plate, tail end is drawn outside metal shell using insulation, external low-voltage arm, so that it may measurement output high-voltage value；
Disc insulator is the High voltage output insulator of device, and the device of corresponding voltage class is using different voltages etc.
The basin of grade；
Resitstance voltage divider grading ring plays pressure to resistance high-voltage end, and the high-voltage end of resitstance voltage divider is exactly device
Ceiling voltage position, it is necessary to be handled using grading ring to carry out pressure to electric field；
Hydraulic system is for the power source to silicon stack polar exchanging, and silicon stack change poles performance is that device can export opposed polarity
Voltage, meet test requirements document.
It is emphasized that: the above description is only the embodiments of the present invention, is not intended to limit the utility model
The scope of the patents, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or it is straight
It connects or is used in other related technical areas indirectly, be also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of all-closed gas insulating metal shell high voltage direct current generator, which is characterized in that including totally-enclosed metal can
Grading ring is exported with taper, the tank body front end is connected with charging transformer, and main capacitance and silicon stack are equipped in the tank body, described
Main capacitance connects forming circuit by connecting rod with silicon stack, and the taper output grading ring is installed on the end of main capacitance and silicon stack
End, taper output grading ring rear end are connected with resitstance voltage divider grading ring, and the resitstance voltage divider grading ring is installed below
There is resitstance voltage divider, the resitstance voltage divider lower end is mounted on tank body, and the resitstance voltage divider is drawn by disc insulator
Tank body is connected between the charging transformer and main capacitance and exchanges side protective resistance, and insulating gas is filled in the tank body.
2. a kind of all-closed gas insulating metal shell high voltage direct current generator according to claim 1, which is characterized in that
The main capacitance includes multiplication of voltage king-post and filtering king-post, the multiplication of voltage king-post, filtering king-post and silicon stack arrangement in equilateral triangle.
3. a kind of all-closed gas insulating metal shell high voltage direct current generator according to claim 1, which is characterized in that
The tank body is externally provided with hydraulic station, and the hydraulic station provides power source to silicon stack polar exchanging by hydraulic oil pipe.
4. a kind of all-closed gas insulating metal shell high voltage direct current generator according to claim 1, which is characterized in that
The main capacitance uses oil immersion thin-film capacitor.
5. a kind of all-closed gas insulating metal shell high voltage direct current generator according to claim 1, which is characterized in that
The resitstance voltage divider is connected in series using glaze resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821553862.7U CN208921759U (en) | 2018-09-23 | 2018-09-23 | A kind of all-closed gas insulating metal shell high voltage direct current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821553862.7U CN208921759U (en) | 2018-09-23 | 2018-09-23 | A kind of all-closed gas insulating metal shell high voltage direct current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921759U true CN208921759U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821553862.7U Active CN208921759U (en) | 2018-09-23 | 2018-09-23 | A kind of all-closed gas insulating metal shell high voltage direct current generator |
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| CN (1) | CN208921759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904061A (en) * | 2021-01-20 | 2021-06-04 | 云南电网有限责任公司电力科学研究院 | High-voltage direct-current generator and complete device |
-
2018
- 2018-09-23 CN CN201821553862.7U patent/CN208921759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904061A (en) * | 2021-01-20 | 2021-06-04 | 云南电网有限责任公司电力科学研究院 | High-voltage direct-current generator and complete device |
| CN112904061B (en) * | 2021-01-20 | 2022-09-02 | 云南电网有限责任公司电力科学研究院 | High-voltage direct current generator and complete device |
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