CN206060509U - A kind of close-coupled current transformer power unit - Google Patents
A kind of close-coupled current transformer power unit Download PDFInfo
- Publication number
- CN206060509U CN206060509U CN201620940607.2U CN201620940607U CN206060509U CN 206060509 U CN206060509 U CN 206060509U CN 201620940607 U CN201620940607 U CN 201620940607U CN 206060509 U CN206060509 U CN 206060509U
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- Prior art keywords
- current transformer
- power unit
- cross streams
- row
- transformer power
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Abstract
This utility model discloses a kind of close-coupled current transformer power unit, and current transformer power unit is the core component of converter system.Current transformer power unit includes centrifugal blower, BUSBAR, A cross streams row, B cross streams row, C cross streams row, Control card component, IGBT units, square resistance, castor, electric capacity and radiator, wherein, IGBT units and square resistance are fixed on spreader surface, electric capacity is respectively arranged on bottom radiator, BUSBAR realizes the electrical connection of electric capacity and IGBT units, and leave the position of electrical equipment connection between current transformer power unit, Control card component is laid in IGBT units top, centrifugal blower is located at the bottom of radiator, and castor is located at the bottom of power cell.This power cell structure is compact, and is easy to modularization assembling and transport.
Description
Technical field
This utility model is related to a kind of close-coupled current transformer power unit.In industrial circle, current transformer is in bank variable-frequency electric
The fields such as source, subway energy feedback system possess and are widely applied.Wherein, current transformer power unit is the core of converter system
Component.
Background technology
Shore electric power, i.e. bank variable-frequency power sources, are also called electronic still formula shore electric power.It is specific on ship, bank
The severe use environment such as the high temperature such as side harbour, high humidity, highly corrosive, big load impact and be specifically designed the high-power frequency conversion of manufacture
Power-supply device.Which is widely used on ship, shipbuilding and repair shop, ocean drilling platforms, bank harbour etc. are needed by 50Hz
Commercial power is changed into 60Hz high-quality frequency-voltage stabilized power sources, the occasion being powered to ship electrical equipment.
Subway station spacing is shorter, and launch train and braking are frequent, there is substantial amounts of energy dissipation phenomenon.The energy quilt of waste
Resistance is consumed in the form of generating heat, and is caused the temperature of the positions such as subway tunnel to raise, is further caused energy waste.Therefore,
Based on the angle of energy conservation, subway energy feedback system technology is arisen at the historic moment, and is capable of achieving the energy back that will be produced in braking to electricity
It is used in net, realizes the saving of the energy.
The exploitation of current transformer, can solve the functional requirement of shore electric power and subway energy feedback system simultaneously.And current transformer work(
Core devices of the rate unit as converter system, play conclusive effect to the performance of whole converter system.
At present, on market current transformer product generally by current transformer power unit using being installed in rack, rack
It is usually mounted in interior or container, scene is easily limited by careat.Meanwhile, existing current transformer power unit
Linear quadratic control signal generally easily disturbed by a signal, there is certain hidden danger in reliability.
Utility model content
The purpose of this utility model, is to provide a kind of close-coupled current transformer power unit, and cellular construction is compact, control letter
It is number not disturbed, and it is easy to modularization assembling.Current transformer power unit is the core component of converter system.
In order to reach above-mentioned purpose, solution of the present utility model is：A kind of close-coupled current transformer power unit, which is special
Levy and be, it is mono- including centrifugal blower, BUSBAR, A cross streams row, B cross streams row, C cross streams row, Control card component, IGBT
Unit, square resistance, castor, electric capacity and radiator, wherein, IGBT units and square resistance are fixed on spreader surface, electric capacity point
Not She Yu bottom radiator, BUSBAR realizes the electrical connection of electric capacity and IGBT units, and leaves between current transformer power unit
The structure of electrical equipment connection, A cross streams row, B cross streams row, C cross streams are ranked in power cell top, respectively with corresponding IGBT
Unit is electrically connected, and Control card component is laid in IGBT units top, and centrifugal blower is located at the bottom of radiator, and castor is located at
The bottom of power cell.
In such scheme：The Control card component is in the metal shell of a closing.
In such scheme：The electric capacity adopts membrane capacitance.
In such scheme, A cross streams row, B cross streams row, C cross streams are ranked in power cell top.
After such scheme, this utility model has the characteristics that：
(1) IGBT units and electric capacity realize electrical connection using BUSBAR, and BUSBAR simple structures, collecting and distributing inductance are little, carry
High system stability；
(2) Control card component is located in a metal shell, and shielding action is played in the external sector signal interference of metal shell,
Can be directly assembled in power cell as a component simultaneously；
(3) whole power cell structure is compact, and volume is obviously reduced, easy-to-connect；
(4) whole power cell bottom is provided with castor, and one is capable of achieving the movement of module, is easy to debugging in factory, assembling
Transport；
(5) blower fan is monolithically integrated in power cell, it is to avoid conventional follow-up blower fan and power cell is separately installed deposits
Risk of leaking out；
Description of the drawings
Fig. 1 is current transformer power unit front schematic view of the present utility model；
Fig. 2 is the schematic diagram that current transformer power unit removes after Control card component in this utility model；
Fig. 3 is current transformer power unit side schematic view of the present utility model；
Fig. 4 is the schematic diagram of Control card component in this utility model.
Specific embodiment
Below with reference to accompanying drawing, the technical solution of the utility model and beneficial effect are described in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, this utility model provides a kind of close-coupled current transformer power unit, current transformer power
Unit includes centrifugal blower 101, BUSBAR102, A cross streams row 103, B cross streams row 104, C cross streams row 105, Control card
Component 106, IGBT units 201, square resistance 202, castor 203, electric capacity 301 and radiator 302, wherein, 201 He of IGBT units
Square resistance 202 is fixed on 302 surface of radiator, and electric capacity 301 is respectively arranged on 302 bottom of radiator, and BUSBAR102 realizes electric capacity
The electrical connection of 301 and IGBT units 201, and the position of electrical equipment connection between current transformer power unit is left, A cross streams row
103rd, B cross streams row 104, C cross streams row 105 is located at power cell top, is electrically connected with corresponding IGBT units respectively, control
Making sheet card component 106 is laid in 201 top of IGBT units, and centrifugal blower 101 is located at the bottom of radiator 302, and castor 203 is located at
The bottom of power cell.
Wherein, the inlet side of current transformer power unit is located at 101 side of centrifugal blower, and air side is located on power cell
Portion.4 current transformers are positioned over screen cabinet bottom for one group, and screen cabinet front cabinet door is cabinet inlet side, and the air side of cabinet is located at cabinet
At the top of body.
As shown in figure 4, housing 404 is attached by the nagative potential with BUSBAR102, it is ensured that housing 403 is abutted against
Ground.Meanwhile, the earth point of the earth point and power panel 403 of SMC plates 402 is also attached with the nagative potential of BUSBAR102.And drive
Dynamic plate plate 401 and power panel 403 realize potential isolation by insulating bolt with housing 403.
IGBT units 201 and square resistance 202 when mounted, first, are fixed to radiating by screw by this utility model
Device 302, wherein needing the mounting surface in IGBT units 201 and square resistance 202 to apply heat-conducting silicone grease before installing, this step completes radiating
The installation of device assembly.
Then, driving plate 401, SMC plates 402 and power panel 403 are fixed on housing 404, workman is according to drawing correspondence
Installation insulating bolt and insulated screw.Meanwhile, complete electrically connecting between driving plate 401, SMC plates 402 and power panel 402
Line, this step complete the assembling of Control card component 106.
Then, the sheet metal component by heat sink assembly with power cell is secured together, and forms the top basis of power cell
Component.
Then, electric capacity 301 is fixed in the top infrastructure component of power cell.
Then, BUSBAR102 is fixed to into 201 DC side of IGBT units and electric capacity 301.
Then, A cross streams are arranged into the friendship that 103, B cross streams row 104, C cross streams row 105 is fixed to 2 IGBT units 201
Stream side.
Then, Control card component 106 is fixed on the top infrastructure component that early stage is completed, then completes internal drive
Line, the connection for taking energy line, p-wire.
Then, the sheet metal component by centrifugal blower 101 with power cell is secured together, and castor 203 is fixed to bottom metal plate
On golden part, the assembling of power cell base assemblies is completed.
Finally, top infrastructure component and base foundation component are carried out into integral assembling.Whole SVG power cell assembly works
Terminate.
Above example is only to illustrate technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within the scope of novel protected.
Claims (4)
1. a kind of close-coupled current transformer power unit, it is characterised in that intersect including centrifugal blower, BUSBAR, A cross streams row, B
Stream row, C cross streams row, Control card component, IGBT units, square resistance, castor, electric capacity and radiator, wherein, IGBT units
Spreader surface is fixed on square resistance, electric capacity is respectively arranged on bottom radiator, BUSBAR realizes electric capacity and IGBT units
Electrical connection, and the structure of electrical equipment connection between current transformer power unit is left, A cross streams row, B cross streams row, C cross streams row
Positioned at power cell top, it is electrically connected with corresponding IGBT units respectively, Control card component is laid in IGBT units top,
Centrifugal blower is located at the bottom of radiator, and castor is located at the bottom of power cell.
2. a kind of close-coupled current transformer power unit as claimed in claim 1, it is characterised in that：The Control card component position
In the metal shell of a closing.
3. a kind of close-coupled current transformer power unit as claimed in claim 1, it is characterised in that：The electric capacity is using film electricity
Hold.
4. a kind of close-coupled current transformer power unit as claimed in claim 1, it is characterised in that：A cross streams row, B cross streams
Row, C cross streams are ranked in power cell top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620940607.2U CN206060509U (en) | 2016-08-25 | 2016-08-25 | A kind of close-coupled current transformer power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620940607.2U CN206060509U (en) | 2016-08-25 | 2016-08-25 | A kind of close-coupled current transformer power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060509U true CN206060509U (en) | 2017-03-29 |
Family
ID=58381645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620940607.2U Expired - Fee Related CN206060509U (en) | 2016-08-25 | 2016-08-25 | A kind of close-coupled current transformer power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322017A (en) * | 2018-02-06 | 2018-07-24 | 中国西电电气股份有限公司 | The flexible DC power transmission power module of anti-electromagnetic interference |
-
2016
- 2016-08-25 CN CN201620940607.2U patent/CN206060509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322017A (en) * | 2018-02-06 | 2018-07-24 | 中国西电电气股份有限公司 | The flexible DC power transmission power module of anti-electromagnetic interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |