CN107180692A - A kind of current-limiting resistance for high power DC high voltage power supply - Google Patents
A kind of current-limiting resistance for high power DC high voltage power supply Download PDFInfo
- Publication number
- CN107180692A CN107180692A CN201710310598.8A CN201710310598A CN107180692A CN 107180692 A CN107180692 A CN 107180692A CN 201710310598 A CN201710310598 A CN 201710310598A CN 107180692 A CN107180692 A CN 107180692A
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- Prior art keywords
- support body
- resistance
- parallel connection
- power supply
- high voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/082—Cooling, heating or ventilating arrangements using forced fluid flow
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of current-limiting resistance for high power DC high voltage power supply, resistance support body including frame structure, resistance support body is suspended from above the ground, resistance support body bottom is connected with fan support body, cooling fan is installed in fan support body, before in resistance support body, rear side frame is respectively equipped with supporting plate of the multirow along left and right horizontal direction, before height and position is one-to-one, being set up respectively between the supporting plate of rear side two has multiple ceramic resistors, at least two adjacent ceramic resistors form multiple serial or parallel connection branch roads by connecting motherboard serial or parallel connection, multiple serial or parallel connection branch roads are again by connecting busbar serial or parallel connection formation ceramic resistor circuit, ceramic resistor circuit two ends respectively with input terminal on resistance support body, lead-out terminal is connected.The present invention can play a part of limiting electric current rapid growth, be required while system high pressure isolation and cooling etc. can also be met, and be successfully applied in auxiliary heating high voltage power supply.
Description
Technical field
It is specifically that one kind is used for high power DC high pressure the present invention relates to EAST Tokamak nuclear fusion experimental provisions field
The current-limiting resistance of power supply.
Background technology
EAST auxiliary heating systems are the important components of EAST Tokamak nuclear fusion experimental provisions, be realize etc. from
The necessary means of daughter self-sustaining burning, the exploratory development for the closely related forefront property of the advanced fusion reactor of development provides base
Plinth.And various auxiliary heating systems are required to high power DC high voltage power supply and powered for its critical component, this kind of high voltage power supply tool
The features such as having high voltage, high power, high accuracy and low ripple.Reliable and stable fortune of the performance of high voltage power supply to auxiliary heating system
Row has extreme influence, therefore carries out significant to auxiliary heating system high power DC high voltage power supply technical research.
EAST auxiliary heating high voltage power supply list set power-supply system general powers reach more than 5MW grades, and output voltage is high
Up to more than 50kVDC, structure design pressure-resistant to component, insulating materials and control protection are proposed high requirement.High pressure
Power-supply system component units involve great expense, when the failure such as short circuit or sparking occurs for load-side, if being unable to fast shut-off high pressure
Power supply, energy has no way of releasing, and can cause immeasurable damage to high voltage power supply side unit equipment or operating personnel.Therefore, it is
Ensure, when the failure such as short circuit or sparking occurs for load, to play a part of limiting electric current rapid growth, it is ensured that system energy
The effect of enough Fast Power Downs, is a kind of effective method in the high-power current-limiting resistance of major loop series connection.
High-power current-limiting resistance is suitable for high-power DC high-voltage power supply system, because volume and the limit of insulation
System, is often used from appropriate number of resistance by rational connection in series-parallel composition resistance frame.While high-power current-limiting resistance
The problems such as design also needs to the high_voltage isolation and cooling in view of system, has no the big work(for taking into full account these factors at present
Rate current-limiting resistance design.
The content of the invention is it is an object of the invention to provide a kind of current-limiting resistance for high power DC high voltage power supply, with reality
Limitation electric current rapid growth in existing EAST auxiliary heating systems, and meet system high pressure isolation and cooling requirement.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of current-limiting resistance for high power DC high voltage power supply, it is characterised in that：Resistance support body including frame structure, electricity
Resistance support body bottom corner respectively from stand to porcelain insulator support, resistance support body is suspended from above the ground, resistance support body bottom to
Under be connected with fan support body, fan support body cooling fan be installed, the cooling fan air outlet is upward into resistance frame body
Forward and backward side frame is respectively equipped with supporting plate of the multirow along left and right horizontal direction, the supporting plate of forward and backward side frame in air-supply, resistance support body
Height and position is corresponded, and erection has multiple ceramic electricals respectively between the one-to-one forward and backward supporting plate of side two of height and position
Resistance, the front and back ends of each ceramic resistor are fixed in the supporting plate of correspondence direction by resistance clip respectively, and adjacent at least two
Individual ceramic resistor forms multiple serial or parallel connection branch roads by connecting motherboard serial or parallel connection, and multiple serial or parallel connection branch roads lead to again
Cross on connection busbar serial or parallel connection formation ceramic resistor circuit, the resistance support body frame side and be additionally provided with input terminal, output end
Son, the ceramic resistor circuit two ends are connected with input terminal, lead-out terminal respectively.
A kind of described current-limiting resistance for high power DC high voltage power supply, it is characterised in that：The resistance support body bottom
Portion's corner location is respectively welded fixation steel plate, and each porcelain insulator upper end is connected by bolt with fixation steel plate respectively.
A kind of described current-limiting resistance for high power DC high voltage power supply, it is characterised in that：In the fan support body
Isolating transformer is additionally provided with below cooling fan, cooling fan is connected by isolating transformer with external power source.
The present invention can play a part of limiting electric current rapid growth, together when the failure such as short circuit or sparking occurs for load
When can also meet system high pressure isolation and cooling etc. is required, be successfully applied in auxiliary heating high voltage power supply.
Brief description of the drawings
Fig. 1 is the total view of structure of the present invention.
Fig. 2 is structure front view of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of current-limiting resistance for high power DC high voltage power supply, includes the resistance of frame structure
Support body 1, the bottom corner of resistance support body 1 respectively from stand to porcelain insulator 3 support, resistance support body 1 is suspended from above the ground, resistance
The bottom of support body 1, which is connected with downwards in fan support body 4, fan support body 4, is provided with cooling fan 5, the air outlet of cooling fan 5 upward to
Blow in resistance support body 1, forward and backward side frame is respectively equipped with supporting plate 13 of the multirow along left and right horizontal direction in resistance support body 1, preceding,
The supporting plate height and position of rear side frame is corresponded, and frame respectively between the one-to-one forward and backward supporting plate of side two of height and position
Provided with multiple ceramic resistors 8, the front and back ends of each ceramic resistor 8 are fixed on the support of correspondence direction by resistance clip 9 respectively
On plate 13, at least two adjacent ceramic resistors 8 form multiple serial or parallel connection branch roads by connecting the serial or parallel connection of motherboard 10,
Multiple serial or parallel connection branch roads are again by connecting on busbar serial or parallel connection formation ceramic resistor circuit, the frame side of resistance support body 1 also
Provided with input terminal 11, lead-out terminal 12, ceramic resistor circuit two ends are connected with input terminal 11, lead-out terminal 12 respectively.
The bottom corner location of resistance support body 1 is respectively welded fixation steel plate 2, and each upper end of porcelain insulator 3 passes through spiral shell respectively
Bolt is connected with fixation steel plate 2.
Be located at the lower section of cooling fan 5 in fan support body 1 and be additionally provided with isolating transformer 6, cooling fan 5 by power line 7 with
Isolating transformer 6 is connected, then is connected by isolating transformer 6 with external power source.
The present invention is successfully applied in EAST device 140GHz electron cyclotron high voltage power supplies, high power DC high-tension electricity
Source current-limiting resistance successfully have developed two sets and has been successfully applied to.That porcelain insulator is selected is four ZSW-110kV, electricity
Resistance support body and fan support body are processed from SMC material, and what isolating transformer was selected is 80kV/500W high_voltage isolation transformations
Device, what cooling fan was selected is two 220VAC/190W axial flow blowers, and ceramic resistor employs 32 40 Ω of RX20 types/2.5kW
Resistance obtained adding up to the current-limiting resistances of the total resistances of 20 Ω/80kW by 8 and 4 strings, be connected on EAST devices 140GHz electricity
In son convolution high voltage power supply major loop, protective effect well is served to gyrotron load, EAST2015 is smoothly completed
Three-wheel Physical Experiment operation task is amounted to EAST2016.
Claims (3)
1. a kind of current-limiting resistance for high power DC high voltage power supply, it is characterised in that：Resistance support body including frame structure,
Resistance support body bottom corner respectively from stand to porcelain insulator support, resistance support body is suspended from above the ground, resistance support body bottom
It is connected with fan support body, fan support body downwards and cooling fan is installed, the cooling fan air outlet is upward to resistance support body
Forward and backward side frame is respectively equipped with supporting plate of the multirow along left and right horizontal direction, the support of forward and backward side frame in interior air-supply, resistance support body
Plate height and position is corresponded, and erection has multiple ceramics respectively between the one-to-one forward and backward supporting plate of side two of height and position
Resistance, the front and back ends of each ceramic resistor are fixed in the supporting plate of correspondence direction by resistance clip respectively, it is adjacent at least
Two ceramic resistors form multiple serial or parallel connection branch roads by connecting motherboard serial or parallel connection, and multiple serial or parallel connection branch roads are again
By connecting input terminal, output are additionally provided with busbar serial or parallel connection formation ceramic resistor circuit, the resistance support body frame side
Terminal, the ceramic resistor circuit two ends are connected with input terminal, lead-out terminal respectively.
2. a kind of current-limiting resistance for high power DC high voltage power supply according to claim 1, it is characterised in that：It is described
Resistance support body bottom corner location is respectively welded fixation steel plate, and each porcelain insulator upper end passes through bolt and fixation steel plate respectively
Connection.
3. a kind of current-limiting resistance for high power DC high voltage power supply according to claim 1, it is characterised in that：It is described
Fan support body middle position is additionally provided with isolating transformer below cooling fan, and cooling fan is connected by isolating transformer and external power source
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310598.8A CN107180692A (en) | 2017-05-05 | 2017-05-05 | A kind of current-limiting resistance for high power DC high voltage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310598.8A CN107180692A (en) | 2017-05-05 | 2017-05-05 | A kind of current-limiting resistance for high power DC high voltage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107180692A true CN107180692A (en) | 2017-09-19 |
Family
ID=59832082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710310598.8A Pending CN107180692A (en) | 2017-05-05 | 2017-05-05 | A kind of current-limiting resistance for high power DC high voltage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107180692A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887692A (en) * | 2019-02-25 | 2019-06-14 | 湖南福德电气有限公司 | A kind of load equipment |
| EP3839985A4 (en) * | 2018-08-17 | 2021-11-17 | Ls Electric Co., Ltd. | Tower-shaped support device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845631U (en) * | 2010-10-14 | 2011-05-25 | 上海同普电力技术有限公司 | High-power resistor box |
| CN201918720U (en) * | 2010-11-19 | 2011-08-03 | 嵩益电机股份有限公司 | Neutral point grounding resistor capable of removing arc flashover |
| CN202003789U (en) * | 2011-01-07 | 2011-10-05 | 苏州电器科学研究院股份有限公司 | Direct-current component limiting resistor in high-voltage test |
| CN103280286A (en) * | 2012-08-16 | 2013-09-04 | 臧建虎 | Novel brake resistor |
| CN203275600U (en) * | 2012-12-26 | 2013-11-06 | 大禹电气科技股份有限公司 | Draw-out high-pressure high-power load apparatus |
-
2017
- 2017-05-05 CN CN201710310598.8A patent/CN107180692A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845631U (en) * | 2010-10-14 | 2011-05-25 | 上海同普电力技术有限公司 | High-power resistor box |
| CN201918720U (en) * | 2010-11-19 | 2011-08-03 | 嵩益电机股份有限公司 | Neutral point grounding resistor capable of removing arc flashover |
| CN202003789U (en) * | 2011-01-07 | 2011-10-05 | 苏州电器科学研究院股份有限公司 | Direct-current component limiting resistor in high-voltage test |
| CN103280286A (en) * | 2012-08-16 | 2013-09-04 | 臧建虎 | Novel brake resistor |
| CN203275600U (en) * | 2012-12-26 | 2013-11-06 | 大禹电气科技股份有限公司 | Draw-out high-pressure high-power load apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3839985A4 (en) * | 2018-08-17 | 2021-11-17 | Ls Electric Co., Ltd. | Tower-shaped support device |
| JP2021534711A (en) * | 2018-08-17 | 2021-12-09 | エルエス、エレクトリック、カンパニー、リミテッドLs Electric Co., Ltd. | Tower type support device |
| JP7232319B2 (en) | 2018-08-17 | 2023-03-02 | エルエス、エレクトリック、カンパニー、リミテッド | Tower type support device |
| US11800672B2 (en) | 2018-08-17 | 2023-10-24 | Ls Electric Co., Ltd. | Tower-shaped support device |
| CN109887692A (en) * | 2019-02-25 | 2019-06-14 | 湖南福德电气有限公司 | A kind of load equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170919 |
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| RJ01 | Rejection of invention patent application after publication |