CN201238267Y - Non-partial discharge movable direct-current voltage generator - Google Patents
Non-partial discharge movable direct-current voltage generator Download PDFInfo
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- CN201238267Y CN201238267Y CNU2008200794805U CN200820079480U CN201238267Y CN 201238267 Y CN201238267 Y CN 201238267Y CN U2008200794805 U CNU2008200794805 U CN U2008200794805U CN 200820079480 U CN200820079480 U CN 200820079480U CN 201238267 Y CN201238267 Y CN 201238267Y
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Abstract
The utility model relates to a local-discharging-free mobile direct-current voltage generator, which comprises a direct-current voltage generator main body and a measurement voltage divider circuit, wherein, the direct-current voltage generator main body comprises a plurality of multi-level single-edge asymmetric voltage doubling loops that are connected with each other in parallel; the multi-level single-edge asymmetric voltage doubling loop comprises a direct-current capacitor, an alternative capacitor and a group of high voltage rectifying silicon stacks that are serially connected with each other; the alternative-current capacitor is arranged between serial-connection middle points of different level voltage silicon stacks in parallel through a conductor, and the direct-current capacitor is arranged between the starting point and the ending point of each level high voltage rectifying silicon stack in parallel through a conductor; each multi-level single-edge asymmetric voltage doubling loop is connected with a charging transformer, and each charging transformer is respectively connected with a first level of the multi-level single-edge asymmetric voltage doubling loop, so as to charge the multi-level single-edge asymmetric voltage doubling loop; and the measurement voltage divider circuit is connected with the output end of the direct-current voltage generator main body. The generator has the advantages of small volume and light weight, and can be applicable to the indoor environment.
Description
Technical field
The utility model relates to a kind of DC voltage generator, particularly a kind ofly is applicable to that indoor no office puts removable DC voltage generator.
Background technology
Experiment is mainly used in high voltage direct current generator and detects the performance of various insulating material under the high direct voltage effect and the direct-current discharge performance of long air gap, and the experiment of the insulation property of high capacitance experiment product (power transformer, high-voltage rectifying valve, power cable, power capacitor, generating set); Measure the leakage current of insulating material, high voltage electric appliance.High voltage direct current generator also can be used as impulse voltage generator, the dc charging power supply of equipment such as oscillation circuit.Its complete set of equipments generally comprises: dc generator body, D.C. resistance voltage divider, voltage regulator, protective circuit and control desk etc.
For the monolateral unbalanced circuit of traditional DC voltage generator, if generation ± 1800kV voltage, 200mA electric current, need to adopt the structure of the big electric capacity of many sums of series.This just makes huge being not easy to of DC voltage generator equipment volume move, simultaneously the high voltage silicon stack processing difficulties of high request.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of indoor no office that is applicable to that carries out bilateral asymmetric multiplication of voltage loop charged in parallel and puts removable DC voltage generator.
For achieving the above object, the utility model is taked following technical scheme: removable DC voltage generator is put in a kind of no office, it is characterized in that comprising: a direct current voltage generator body, the multistage monolateral asymmetric multiplication of voltage loop that comprises a plurality of parallel connections, described multistage monolateral asymmetric multiplication of voltage loop comprises direct current capacitor, AC capacitor and one group of high-voltage rectification silicon stack that is connected for every grade, ac capacitor is connected in parallel on by conductor between the polyphone mid point of high-voltage rectification silicon stacks at different levels, and dc capacitor is connected in parallel between the Origin And Destination of every grade of high-voltage rectification silicon stack by conductor; Each described multistage monolateral asymmetric multiplication of voltage loop all is connected with a charging transformer, each described charging transformer is connected with the first order in described multistage monolateral asymmetric multiplication of voltage loop by charge protection resistance respectively, is each described multistage monolateral asymmetric multiplication of voltage loop charging; One measures bleeder circuit, is connected the output of described DC voltage generator body.
Described measurement bleeder circuit comprises coupling capacitance, voltage divider high-voltage arm, voltage divider shielding resistance and earthed switch, described earthed switch, voltage divider shielding resistance and coupling capacitance are connected after the parallel connection step by step again, described discharge resistance is in parallel with coupling capacitance, to accelerate the voltage landing, output voltage measured value after described voltage divider high-voltage arm is contacted step by step.
Be parallel with discharge resistance on the coupling capacitance of described measurement voltage divider.
The voltage output end of described DC voltage generator body is connected with direct current damping protective resistance.
On the high potential device of described DC voltage generator body grading shield is installed all.
Described DC voltage generator body top is provided with electric field and all presses and use radome.
Described direct current capacitor and AC capacitor are cylindrical condenser, and the described direct current capacitor of multistage polyphone constitutes the dc capacitor post, and described AC capacitor constitutes the ac capacitor post.
Each described high-voltage rectification silicon stack tiltedly is worn between the two silicon stack pillars, is series connection in a zigzag.
Described DC voltage generator body is installed on the body base, on the described body base charging transformer and hydraulic system is installed also.
Described body base is portable air cushion base.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is owing to adopt two monolateral asymmetric multiplication of voltage loop parallel connections, produce the scheme of D.C. high-current, make the electric current of each sub-loop burden of transformer diminish, can make the transformer caloric value little thus, structure is light.2, unbalanced circuit of the present utility model is owing to adopt integral structure, and it is little therefore to have a volume, and lightweight characteristics are applicable to indoor environment.3, six air cushions are housed below the base of the present utility model, the passing of body utilizes compressed air to finish, and has increased the mobile flexibility of equipment greatly, has reduced the manpower burden.4, each high potential parts of body of the present utility model are equipped with grading shield, in order to improve the electric field at this position.
Description of drawings
Fig. 1 is the electrical principle schematic diagram of the utility model DC voltage generator
Fig. 2 is the whole front elevational schematic of the utility model DC voltage generator
Fig. 3 is the whole schematic top plan view of the utility model DC voltage generator
Embodiment
As shown in Figure 1 and Figure 2, body construction of the present utility model comprises the three grade of four monolateral asymmetric multiplication of voltage of post loop 100 of two parallel connections, and wherein four posts in each the three grade of four monolateral asymmetric multiplication of voltage of post loop 100 comprise dc capacitor post 20, ac capacitor post 30 and two high-voltage rectification silicon stack pillars 5.The three grade of four monolateral asymmetric multiplication of voltage of post loop 100 comprises direct current capacitor 6, AC capacitor 3 and high-voltage rectification silicon stack 4.Dc capacitor post 20, ac capacitor post 30 are installed on the body base 40, and high-voltage rectification silicon stack 4 is articulated between the two silicon stack pillars 5.Two charging transformers 1 and hydraulic system (not shown) are installed on the body base 40, and the polar switching of high-voltage rectification silicon stack 4 is finished by hydraulic system.Body base 40 is portable air cushion base, and six air cushion (not shown) are equipped with in its below, utilizes the compressed air in the air cushion to finish body passing activity (for this area mature technology, will not describe in detail at this) on the ground.The utility model also is equipped with grading shield 13 on the high potential device of bodies top, in order to improve the high-pressure side electric field, simultaneously following electric component is had shielding action.Dc high-voltage output end also connects a measurement bleeder circuit 50, is used for the direct voltage and the partial discharge quantity of output are measured the output voltage measured value.
As shown in Figure 1 and Figure 2, two monolateral asymmetric multiplication of voltage loops of DC voltage generator body 100 are made of three grades of polyphones, adopt integral structure.The charging transformer 1 in each monolateral asymmetric multiplication of voltage loop 100 is installed on the body base 40, is connected with high-voltage rectification silicon stack 4 with first order ac capacitor 3 by charge protection resistance 2, is respectively the monolateral asymmetric multiplication of voltage loop charging at place.Monolateral asymmetric multiplication of voltage loop 100 every grade of high-voltage rectification silicon stacks 4 that comprise two polyphones; ac capacitor 3 is connected in parallel on by conductor between the polyphone mid point of high-voltage rectification silicon stacks 4 at different levels, and 3 of the ac capacitors of the first order are connected in parallel between the mid point and charge protection resistance of high-voltage rectification silicon stack 4 of this grade.Ac capacitor 3 is a cylindrical condenser, and three grades of polyphones constitute ac capacitor post 30.High-voltage rectification silicon stack 4 tiltedly is worn between the two silicon stack pillars 5, is series connection in a zigzag.Dc capacitor 6 is connected in parallel on by conductor between the Origin And Destination of every grade of high-voltage rectification silicon stack 4, and dc capacitor 6 also is a cylindrical condenser, constitutes dc capacitor post 20 behind three grades of polyphones.Direct current damping protective resistance 7 is arranged at the voltage output end in two monolateral asymmetric multiplication of voltage loops 100, is positioned at the top of DC voltage generator body.The voltage output end in two monolateral asymmetric multiplication of voltage loops 100 also is connected with measures bleeder circuit 50, it comprises coupling capacitance 8, voltage divider high-voltage arm 9, voltage divider shielding resistance 10 and earthed switch 11, earthed switch 11, voltage divider shielding resistance 10 and coupling capacitance 8 are connected after the parallel connection step by step again, discharge resistance 12 is in parallel with coupling capacitance 8, to accelerate the voltage landing.Output voltage measured value after voltage divider high-voltage arm 9 is contacted step by step.Coupling capacitance 8, voltage divider high-voltage arm 9, voltage divider shielding resistance 10 and earthed switch 11 all adopt the cylindricality original paper, the connection back constitutes four cylinders and is fixed on the base (not shown) with flange, then fastening mutually between the flange with connector, base can be wholely set with body base 40, also can be provided with separately, under the base wheel and jack can be installed when being provided with separately, so that move.
As shown in Figure 3, oval-shaped electric field is housed on the equipment top all presses with radome 13, it can improve the high-pressure side electric field, simultaneously the electric component below it is also had shielding action.The monolateral asymmetric multiplication of voltage loop 100 of two three grades of four posts is by the middle conductor parallel connection, and four posts in each loop divide two row's symmetric arrays.Put for the office that limits the high potential electric component, the utility model has all installed grading shield additional for each high potential device, in order to improve the electric field at this position.
It is huge that the utility model has solved equipment volume substantially, the problem of high voltage silicon stack processing difficulties.The utility model is combined into a whole set of system with two unbalanced circuit parallel connections, and it is little to have each loop current, the characteristics of the light compactness of structure.The grading shield device has overcome the office that the high potential device produces and has put influence.
The above; it only is preferred embodiment of the present utility model; but can not limit scope of patent protection of the present utility model with this, all various equivalent transformations of doing according to the utility model specification, claims and accompanying drawing all should be included in the scope of patent protection of the present utility model.
Claims (10)
1, removable DC voltage generator is put in a kind of no office, it is characterized in that comprising:
One direct current voltage generator body, the multistage monolateral asymmetric multiplication of voltage loop that comprises a plurality of parallel connections, described multistage monolateral asymmetric multiplication of voltage loop comprises direct current capacitor, AC capacitor and one group of high-voltage rectification silicon stack that is connected for every grade, ac capacitor is connected in parallel on by conductor between the polyphone mid point of high-voltage rectification silicon stacks at different levels, and dc capacitor is connected in parallel between the Origin And Destination of every grade of high-voltage rectification silicon stack by conductor; Each described multistage monolateral asymmetric multiplication of voltage loop all is connected with a charging transformer, each described charging transformer is connected with the first order in described multistage monolateral asymmetric multiplication of voltage loop by charge protection resistance respectively, is each described multistage monolateral asymmetric multiplication of voltage loop charging;
One measures bleeder circuit, is connected the output of described DC voltage generator body.
2, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: described measurement bleeder circuit comprises coupling capacitance, voltage divider high-voltage arm, voltage divider shielding resistance and earthed switch, described earthed switch, voltage divider shielding resistance and coupling capacitance are connected after the parallel connection step by step again, described discharge resistance is in parallel with coupling capacitance, to accelerate the voltage landing, output voltage measured value after described voltage divider high-voltage arm is contacted step by step.
3, removable DC voltage generator is put in a kind of no office as claimed in claim 2, it is characterized in that: be parallel with discharge resistance on the coupling capacitance of described measurement voltage divider.
4, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: the voltage output end of described DC voltage generator body is connected with direct current damping protective resistance.
5, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: on the high potential device of described DC voltage generator body grading shield is installed all.
6, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: described DC voltage generator body top is provided with electric field and all presses and use radome.
7, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: described direct current capacitor and AC capacitor are cylindrical condenser, the described direct current capacitor of multistage polyphone constitutes the dc capacitor post, and described AC capacitor constitutes the ac capacitor post.
8, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: each described high-voltage rectification silicon stack tiltedly is worn between the two silicon stack pillars, is series connection in a zigzag.
9, removable DC voltage generator is put in a kind of no office as claimed in claim 1, it is characterized in that: described DC voltage generator body is installed on the body base, on the described body base charging transformer and hydraulic system is installed also.
10, removable DC voltage generator is put in a kind of no office as claimed in claim 9, it is characterized in that: described body base is portable air cushion base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200794805U CN201238267Y (en) | 2008-03-19 | 2008-03-19 | Non-partial discharge movable direct-current voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200794805U CN201238267Y (en) | 2008-03-19 | 2008-03-19 | Non-partial discharge movable direct-current voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238267Y true CN201238267Y (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200794805U Expired - Lifetime CN201238267Y (en) | 2008-03-19 | 2008-03-19 | Non-partial discharge movable direct-current voltage generator |
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| CN (1) | CN201238267Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841132A (en) * | 2010-04-09 | 2010-09-22 | 江苏雷宇高电压设备有限公司 | Integral movable type air cushion device |
| RU2529597C1 (en) * | 2013-01-30 | 2014-09-27 | Открытое акционерное общество "Научно-исследовательский институт электронно-механических приборов" | High-voltage voltage divider |
| CN106443267A (en) * | 2016-10-18 | 2017-02-22 | 苏州华电电气股份有限公司 | Structure of ultra-high-voltage direct-current partial discharge free testing device tower |
| CN108233715A (en) * | 2018-02-27 | 2018-06-29 | 国网安徽省电力公司电力科学研究院 | A kind of integrated voltage multiplying rectifier cylinder of ultra-high-voltage DC generator |
| CN112379137A (en) * | 2020-11-30 | 2021-02-19 | 合肥航太电物理技术有限公司 | Direct-current electrostatic high-voltage generator and test application thereof |
-
2008
- 2008-03-19 CN CNU2008200794805U patent/CN201238267Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841132A (en) * | 2010-04-09 | 2010-09-22 | 江苏雷宇高电压设备有限公司 | Integral movable type air cushion device |
| RU2529597C1 (en) * | 2013-01-30 | 2014-09-27 | Открытое акционерное общество "Научно-исследовательский институт электронно-механических приборов" | High-voltage voltage divider |
| CN106443267A (en) * | 2016-10-18 | 2017-02-22 | 苏州华电电气股份有限公司 | Structure of ultra-high-voltage direct-current partial discharge free testing device tower |
| CN108233715A (en) * | 2018-02-27 | 2018-06-29 | 国网安徽省电力公司电力科学研究院 | A kind of integrated voltage multiplying rectifier cylinder of ultra-high-voltage DC generator |
| CN108233715B (en) * | 2018-02-27 | 2024-03-19 | 国网安徽省电力公司电力科学研究院 | Integral voltage doubling rectifying cylinder of extra-high voltage direct current generator |
| CN112379137A (en) * | 2020-11-30 | 2021-02-19 | 合肥航太电物理技术有限公司 | Direct-current electrostatic high-voltage generator and test application thereof |
| CN112379137B (en) * | 2020-11-30 | 2022-05-10 | 合肥航太电物理技术有限公司 | Test application of direct current electrostatic high-voltage generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |