CN203502517U - High-voltage SVG low-voltage test platform - Google Patents
High-voltage SVG low-voltage test platform Download PDFInfo
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- CN203502517U CN203502517U CN201320598291.XU CN201320598291U CN203502517U CN 203502517 U CN203502517 U CN 203502517U CN 201320598291 U CN201320598291 U CN 201320598291U CN 203502517 U CN203502517 U CN 203502517U
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Abstract
The utility model discloses a high-voltage SVG low-voltage test platform. The high-voltage SVG low-voltage test platform comprises at least one SVG device. Each SVG device comprises a cabinet. A main control layer, a power unit layer and a main loop layer are arranged in the SVG cabinet. The main control layer is provided with a main control box and a touch screen. The power unit layer is provided with a plurality of power units. The main loop layer is provided with a power-on main loop assembly used for leading a voltage provided by a low-voltage power supply to the plurality of power units. The high-voltage SVG low-voltage test platform is utilized based on a low-voltage power grid test, the potential safety hazards caused by a high-voltage test environment are eliminated, and at the same time, the high-voltage SVG low-voltage test platform is integrated in the miniature cabinet, so that the high-voltage SVG low-voltage test platform is small in size and space-saving.
Description
Technical field
The utility model relates to high voltage static reactive-load compensation (Static Var Generator, SVG) proving installation, relates in particular to a kind of high pressure SVG low voltage experiment platform.
Background technology
High-voltage static var generator claims again high-voltage dynamic reactive power compensation generating means or STATCOM, refer to the device that is carried out dynamic passive compensation by the electric semiconductor bridge-type current transformer from commutation, SVG is the preferred plan in current Reactive Power Control field, the modes such as traditional SVC that are main representative with respect to traditional phase modifier, capacitor, reactor, the thyristor-controlled reactor of take, SVG has unrivaled advantage.In practical application, according to the regulation of department of State Grid, everyly low-tension transformer place is installed and large-scale electric equipment side all should be equipped with reactive power compensator, the industrial and mineral that particularly those power factors are lower, enterprise, residential block must be installed.Existing high-pressure reactive compensation device as shown in Figure 7, the main equipment normally with features such as tens power cells, high voltage reactors, and more than on it, piezoelectric voltage reaches kilovolt, when technician carries out test job to high pressure SVG product, the hidden danger that exists high pressure to get an electric shock, meanwhile, this SVG device volume is huge, need larger accommodation space, be not suitable for the places such as testing laboratory.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, a kind of high pressure SVG low voltage experiment platform is provided, this high pressure SVG low voltage experiment platform is based on low voltage electric network test use, eliminated the potential safety hazard of bringing because of Hi-pot test environment, meanwhile, within this high pressure SVG low voltage experiment platform is integrated in small-sized cabinet, thereby have, volume is little, joint space-efficient advantage.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of high pressure SVG low voltage experiment platform, it includes at least one SVG device, SVG device includes rack, within SVG rack, be provided with master control layer, power cell layer and major loop layer, master control layer is provided with Main Control Tank and touch-screen, power cell layer is provided with a plurality of power cells, and major loop layer is provided with the major loop assembly that powers on that voltage for low-tension supply is provided causes a plurality of power cells.
Preferably, the quantity of SVG device is two, both mutual communications and export respectively reactive power harmonic current.
Preferably, the quantity of SVG device is two, both mutual communications and export respectively capacitive reactive power harmonic current and perception idle reverse harmonic current.
Preferably, rack includes insulation barrier, and insulation barrier is outward extended with insulation operator's console.
Preferably, rack also includes the electric switch panel of being located at insulation barrier top, and power cell layer is provided with supply socket and starting switch, and supply socket and starting switch are all arranged in electric switch panel.
Preferably, rack also includes the control panel of being located at electric switch panel top, and master control layer is provided with pilot lamp and the emergency stop switch that is arranged in this control panel, and control panel offers window, and screen and the window of touch-screen are oppositely arranged.
Preferably, between power cell layer and major loop layer, by baffle for separating, on dividing plate, be equipped with insulation course.
Preferably, dividing plate is provided with the guide rail extending along the length direction of power cell, and three power cells are all fixed on a liner plate, and liner plate and guide rail are slidably connected.
Preferably, the major loop assembly that powers on includes contactor, charging resistor, reactor, electric capacity, current transformer and Hall element.
Preferably, on power cell and near the back shroud place of rack, be provided with fan, adjacent with major loop layer and be positioned on two side plates of rack and offer radiator window.
In the disclosed high pressure SVG of the utility model low voltage experiment platform, within the rack of SVG device, be provided with master control layer, power cell layer and major loop layer three-decker, master control layer is wherein provided with Main Control Tank and touch-screen, power cell layer is provided with three power cells, major loop layer is provided with the major loop assembly that powers on, this SVG device is realized reactive-load compensation by exchanging 380V low voltage electric network, each SVG device only needs to arrange three power cells, and the electrical equipment that only needs the low and small volume of rated voltage within major loop layer, thereby reduced the overall volume of SVG device, there is joint space-efficient advantage.Meanwhile, technician carries out test job under 380V low voltage electric network environment, thereby has eliminated the potential safety hazard because high pressure powers on, Hi-pot test brings.In addition, this SVG device inside has master control layer, power cell layer and the major loop layer three-decker setting gradually from top to bottom, modularization, layer-stepping assembling have been realized, rationally distributed, technique is simple, especially in assembling process, can for three-decker, assemble, work efficiency is improved simultaneously.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is SVG device rear side inner structure schematic diagram.
Fig. 3 is SVG device front interior structural representation.
Fig. 4 is the structural representation of dividing plate.
Fig. 5 is the power on circuit block diagram of major loop of SVG device parallel operation.
Fig. 6 is the power on circuit theory diagrams of major loop of SVG device.
Fig. 7 is the one-piece construction schematic diagram of existing high pressure SVG device.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in more detail.
The utility model discloses a kind of high pressure SVG low voltage experiment platform, shown in Fig. 1 and Fig. 2, it includes at least one SVG device, SVG device includes rack 1, within SVG rack 1, be provided with master control layer 10, power cell layer 20 and major loop layer 30, master control layer 10 is provided with Main Control Tank 100 and touch-screen 101, and power cell layer 20 is provided with a plurality of power cells 200, and major loop layer 30 is provided with the major loop assembly that powers on that voltage for low-tension supply is provided causes a plurality of power cells 200.
Wherein, the voltage of low-tension supply output be 220V between 1140V, be preferably 380V or 660V, the output voltage of this low-tension supply is larger, the quantity of required power cell 200 is more.Take 380V low-tension supply as example, the upper piezoelectric voltage of SVG device is for exchanging 380V, within the rack 1 of this SVG device, only need to arrange three power cells 200, and within major loop layer 30, only need the electrical equipment of the low and small volume of rated voltage, thereby reduced the overall volume of SVG device.Meanwhile, technician carries out test job under 380V low voltage electric network environment, has eliminated the potential safety hazard because high pressure powers on, Hi-pot test brings.In addition, this SVG device inside has master control layer 10, power cell layer 20 and major loop layer 30 three-decker that set gradually from top to bottom, modularization, layer-stepping assembling have been realized, by said structure, arrange, this high pressure SVG low voltage experiment platform can simulated high-pressure SVG, its principle of work is identical with high pressure SVG, is mainly used in high pressure SVG to carry out software test, debugging.
The quantity of above-mentioned SVG device is preferably two, and both parallel joins are realized parallel operation setting to low-tension supply, two mutual communications of SVG device, and by communications protocol is set, make both carry out following two kinds of way of outputs.
Mode one:
Two SVG devices are exported respectively reactive power harmonic current, make to be equivalent to larger reactive power compensator after the two parallel operation.
Mode two:
Two SVG devices are exported respectively capacitive reactive power harmonic current and the idle reverse harmonic current of perception, to make the two realize holding in the palm complementary debugging, harmonic current are cancelled out each other within SVG test platform, avoid flowing to electrical network.
In order further to realize safe operation, in conjunction with shown in Fig. 1 to Fig. 3, the rack 1 in the present embodiment includes insulation barrier 110, and insulation barrier 110 is outward extended with insulation operator's console 12, this insulation operator's console 12 can be one-body molded with insulation barrier 110, also can adopt separate structure to combine.As a kind of optimal way, rack 1 also includes the electric switch panel 111 of being located at insulation barrier 110 tops, and power cell layer 20 is provided with supply socket 202 and starting switch 203, and supply socket 202 and starting switch 203 are all arranged in electric switch panel 111.This supply socket 202 is for connecting test instrument, computer test equipment etc., such as, the notebook computer that testing software is housed is placed on operator's console, by 202 pairs of notebook computers of this supply socket, power.On this basis, rack 1 also includes the control panel 112 of being located at electric switch panel 111 tops, master control layer 10 is provided with pilot lamp 103 and the emergency stop switch 102 that is arranged in this control panel 112, and control panel 112 offers window, and screen and the window of touch-screen 101 are oppositely arranged.Should be noted that, structure setting about insulation barrier 110, electric switch panel 111 and control panel 112 is only a preferred embodiment of the present utility model above, be not limited to the utility model, in another embodiment of the present utility model, insulation barrier 110, electric switch panel 111 and control panel 112 can also be integrated on a panel, and the front panel of rack 1 is monoblock panel construction.
Because the structure within rack 1 is comparatively compact, shown in Fig. 1, Fig. 2 and Fig. 4, between power cell layer 20 in the present embodiment and major loop layer 30, by dividing plate 21, separate, and be equipped with insulation course 205 on this dividing plate 21, the insulation effect that dividing plate 21 by with insulation layer structure improves between power cell layers 20 and major loop layer 30, thus meet the safety requirement of equipment.This dividing plate 21 is provided with the guide rail 204 extending along the length direction of power cell 200, three power cells 200 are all fixed on a liner plate 206, liner plate 206 is slidably connected with guide rail 204, the present embodiment is by the guide rail 204 and the liner plate 206 that are mutually slidably matched, realized drawer type installation, be easy to power cell 200 install, debugging work.As a kind of substitute mode, in another embodiment of the present utility model, between dividing plate 21 and liner plate 206, can also realize drawer type by structures such as balls and install.
In order to meet the radiating condition of SVG device, on power cell 200 and near the back shroud place of rack 1, be provided with fan 201, adjacent with major loop layer 30 and be positioned on two side plates of rack 1 and offer radiator window 11.For convenient mobile, the bottom of rack 1 is also provided with castor.
About the inner structure of major loop layer 30, in conjunction with shown in Fig. 1 to Fig. 3, the major loop assembly that powers on includes contactor 300, charging resistor 301, reactor 302, electric capacity 303, current transformer 304 and Hall element 305.
On the high pressure SVG of above-mentioned hardware configuration low voltage experiment platform base, the circuit theory of this major loop assembly that powers on is in conjunction with shown in Fig. 5 and Fig. 6, through two groups of major loop assembly parallel joins that power in two SVG devices of parallel operation setting in electrical network, at the input end of electrical network by one group of mutual inductor (TA1, TB1, TC1) and another group mutual inductor (TA2, TB2, TC2) detect respectively power-up state and the current status of three phase lines, the interchange 380V three-phase voltage of this major loop assembly input that powers on is successively by isolating switch KM1, pre-charge circuit 311, LCL wave filter 312 transfers to respectively three power cell (PU1, PU2, PU3), pre-charge circuit 311 is wherein by contactor KM2 and charging resistor (R7, R8, R9) form, LCL wave filter 312 is by inductance (L1, L2), resistance (R10, R11, R12) and electric capacity (C7, C8, C9, C10, C11, C12) form, on three branch roads between LCL wave filter 312 and three power cells, be respectively equipped with three Hall element (LH1, LH2, LH3).
In the disclosed high pressure SVG of the utility model low voltage experiment platform, within the rack 1 of SVG device, be provided with master control layer 10, power cell layer 20 and major loop layer 30 three-decker, master control layer 10 is wherein provided with Main Control Tank 100 and touch-screen 101, power cell layer 20 is provided with three power cells 200, major loop layer 30 is provided with the major loop assembly that powers on, this SVG device is realized reactive-load compensation by exchanging 380V low voltage electric network, each SVG device only needs to arrange three power cells 200, and the electrical equipment that only needs the low and small volume of rated voltage within major loop layer 30, thereby reduced the overall volume of SVG device, there is joint space-efficient advantage.Meanwhile, technician carries out test job under 380V low voltage electric network environment, thereby has eliminated the potential safety hazard because high pressure powers on, Hi-pot test brings.In addition, this SVG device inside has master control layer 10, power cell layer 20 and major loop layer 30 three-decker that set gradually from top to bottom, modularization, layer-stepping assembling have been realized, rationally distributed, technique is simple, especially in assembling process, can for three-decker, assemble, work efficiency is improved simultaneously.
More than the utility model preferred embodiment just, is not limited to the utility model, all modifications of making in technical scope of the present utility model, is equal to and replaces or improvement etc., all should be included in the scope that the utility model protects.
Claims (10)
1. a high pressure SVG low voltage experiment platform, it is characterized in that, include at least one SVG device, described SVG device includes rack (1), within described SVG rack (1), be provided with master control layer (10), power cell layer (20) and major loop layer (30), described master control layer (10) is provided with Main Control Tank (100) and touch-screen (101), described power cell layer (20) is provided with a plurality of power cells (200), and described major loop layer (30) is provided with the major loop assembly that powers on that voltage for low-tension supply is provided causes a plurality of power cells (200).
2. high pressure SVG low voltage experiment platform as claimed in claim 1, is characterized in that, the quantity of described SVG device is two, both mutual communications and export respectively reactive power harmonic current.
3. high pressure SVG low voltage experiment platform as claimed in claim 1, is characterized in that, the quantity of described SVG device is two, both mutual communications and export respectively capacitive reactive power harmonic current and perception idle reverse harmonic current.
4. high pressure SVG low voltage experiment platform as claimed in claim 1, is characterized in that, described rack (1) includes insulation barrier (110), and described insulation barrier (110) is outward extended with insulation operator's console (12).
5. high pressure SVG low voltage experiment platform as claimed in claim 4, it is characterized in that, described rack (1) also includes the electric switch panel (111) of being located at insulation barrier (110) top, described power cell layer (20) is provided with supply socket (202) and starting switch (203), and described supply socket (202) and starting switch (203) are all arranged in electric switch panel (111).
6. high pressure SVG low voltage experiment platform as claimed in claim 5, it is characterized in that, described rack (1) also includes the control panel (112) of being located at electric switch panel (111) top, described master control layer (10) is provided with pilot lamp (103) and the emergency stop switch (102) that is arranged in this control panel (112), described control panel (112) offers window, and screen and the described window of described touch-screen (101) are oppositely arranged.
7. high pressure SVG low voltage experiment platform as claimed in claim 1, it is characterized in that, between described power cell layer (20) and major loop layer (30), by dividing plate (21), separate, on described dividing plate (21), be equipped with insulation course (205).
8. high pressure SVG low voltage experiment platform as claimed in claim 7, it is characterized in that, described dividing plate (21) is provided with the guide rail (204) extending along the length direction of power cell (200), three power cells (200) are all fixed on a liner plate (206), and described liner plate (206) is slidably connected with described guide rail (204).
9. high pressure SVG low voltage experiment platform as claimed in claim 1, it is characterized in that, described in the major loop assembly that powers on include contactor (300), charging resistor (301), reactor (302), electric capacity (303), current transformer (304) and Hall element (305).
10. high pressure SVG low voltage experiment platform as claimed in claim 1, it is characterized in that, described power cell (200) is upper and be provided with fan (201) near the back shroud place of rack (1), adjacent with major loop layer (30) and be positioned on two side plates of described rack (1) and offer radiator window (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598291.XU CN203502517U (en) | 2013-09-26 | 2013-09-26 | High-voltage SVG low-voltage test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598291.XU CN203502517U (en) | 2013-09-26 | 2013-09-26 | High-voltage SVG low-voltage test platform |
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| Publication Number | Publication Date |
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| CN203502517U true CN203502517U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320598291.XU Expired - Fee Related CN203502517U (en) | 2013-09-26 | 2013-09-26 | High-voltage SVG low-voltage test platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579892A (en) * | 2019-02-15 | 2020-08-25 | 株洲中车时代电气股份有限公司 | Test system and method for cascaded SVG power module |
-
2013
- 2013-09-26 CN CN201320598291.XU patent/CN203502517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579892A (en) * | 2019-02-15 | 2020-08-25 | 株洲中车时代电气股份有限公司 | Test system and method for cascaded SVG power module |
| CN111579892B (en) * | 2019-02-15 | 2021-06-29 | 株洲中车时代电气股份有限公司 | Test system and method for cascaded SVG power module |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20200926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |