CN206364421U - Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station - Google Patents
Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station Download PDFInfo
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- CN206364421U CN206364421U CN201720021373.6U CN201720021373U CN206364421U CN 206364421 U CN206364421 U CN 206364421U CN 201720021373 U CN201720021373 U CN 201720021373U CN 206364421 U CN206364421 U CN 206364421U
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Abstract
The utility model low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station, belong to electric, technical field of electrotechnical equipment, it is axial direction and width including six transformer with split windings, low-pressure chamber I, collecting pipe, heat abstractor, low-pressure chamber II and hyperbaric chamber, between the low pressure winding I, low pressure winding II, low pressure winding III, high pressure winding I, high pressure winding II, high pressure winding III, low pressure winding IV, low pressure winding V and low pressure winding VI in the transformer with split winding of the utility model six to division relation；Low pressure winding quantity is six divisions by double divisions increase of traditional structure, improve the capacity of transformer, it is effectively reduced photovoltaic DC field preassembled transformer station quantity 2/3, save capital construction and later maintenance expense 2/3, transformer insulation oil uses high-flash vegetable oil, can effectively solve the environmentally friendly risk of mineral transformer oil；Hyperbaric chamber protection device is vacuum circuit breaker, reduces the operation and maintenance cost and electric quantity loss of photovoltaic DC field.
Description
Technical field
The utility model belong to electrically, technical field of electrotechnical equipment, especially relate to a kind of low pressure six division environment-friendly type
Photovoltaic generation preassembled transformer station.
Background technology
Photovoltaic generation be a kind of limitation of use region less, the relatively easy easy generation mode of equipment, obtained in recent years in China
Fast development is arrived.In photovoltaic generating system, in order to save capital construction investment, generally using preassembled transformer station, power transformation
Used transformer stand based on the double transformer with split windings of low pressure, the double transformer with split windings of low pressure are generally by a high pressure winding in parallel
Constituted with two axial directions or width to the low pressure winding of division, each photovoltaic DC field of Now Domestic is generally from 2 groups of 500kWp inverters
Used cooperatively with a 1100kVA transformer, inverter secondary side voltage is passed after transformer boost to 10kV or 35kV grades
Transport to photovoltaic power plant booster stations electric energy is connected to the grid.Transformer pattern is divided to two kinds of oil immersed type and dry type, using dry-type transformer
There is volume of transformer big, sealing and weak heat-dissipating, the problem of loss of equivalent capability dry-type transformer is big compared with oil immersed type, thus it is more next
More photovoltaic DC fields use oil-filled transformer.Existing structure preassembled transformer station exist small transformer capacity, capital construction and after
The shortcomings of phase maintenance cost height, overload capacity deficiency and mineral transformer oil environmental protection risk.
Photovoltaic DC field for an installed capacity 50MW, it is necessary to equipped capacitor is the double transformer with split windings 50 of 1100kVA,
And the wind power plant of equal installed capacity only needs to be equipped with 25 capacity 2200kVA or so step-up transformer, thus photovoltaic electric
The early stage capital expenditure and later stage operation and maintenance cost of field step-up transformer are about 2 times of equivalent capability wind power plant.Therefore
For the investment of reduction photovoltaic DC field and maintenance cost, photovoltaic DC field is improved increasingly urgent with the demand of transformer with split winding capacity.Due to
Photovoltaic inversion device low tension is forced down, thus electric current is very big, and in order to ensure to have larger phase complementary between division branch road
It is usually 20%~25% or so to carry out limiting short-circuit current and must use low pressure Split type structure to repay impedance, current photovoltaic generation
Field is usually the double splitted constructions of low pressure with dual low voltage transformer, by inverter capacity limit, wants to increase transformer capacity, reduces
Photovoltaic DC field preassembled transformer station quantity, certainly will will increase low pressure winding division number, as division quantity is increased, technology and technique
Difficult point is more.Thus, how to improve photovoltaic DC field transformer with split winding low pressure division quantity turns into domestic and international key problem in technology point.
Current photovoltaic generation uses preassembled transformer station high-pressure side to be usually that vacuum or oil-immersed load switch are equipped with limit
Flow fuse is protected, when over current fault occurs for transformer, fuse fuse failure so as to by transformer and failure every
From playing the protective effect to transformer.Because that must be changed after fuse blows, thus the operation maintenance expense of high electric fields
With, and change of fuse process needs certain time, will certainly influence power generation process, cause generated energy to lose.Therefore, it is practical new
A kind of non-maintaining photovoltaic generation preassembled transformer station of type has huge economic benefit.
Photovoltaic DC field is because utilizing solar power generation, and sunlight is more sufficient, and inverter output is bigger, so that transformer load is got over
Greatly, in the sunny period, transformer short-time overload can be caused, short-time overload can improve transformer temperature rise, and due to photovoltaic
The particularity of generating, i.e. transformer load are bigger, and environment temperature is higher, certainly will so exacerbate the raising of temperature rise.Short-time overload
Multiple and time national standard have regulation, and short-time overload causes temperature rise to improve, and can cause the loss of the insulation life of transformer,
The insulation life of transformer determines the service life of whole transformer, and this short-time overload frequency of photovoltaic generation is larger, very
To being likely to occur daily, and while frequently short-time overload causes the transformer life to reduce, also bring along because of local mistake
The excessive problem of the failure gas such as hydrogen caused by heat.Solve the problems, such as that photovoltaic generation preassembled transformer station transformer overload can be with
The influence that the short-time overload of transformer is brought is avoided using the method for transformer capacity is increased, but such a way will certainly be caused
Volume of transformer is increased, and raw materials cost is uprised, and volume increasing can also increase corresponding civil engineering and cost of transportation,
There is inferior position in terms of economy in such a way.Therefore, on the premise of transformer capacity is not increased, how photovoltaic generation is improved
Turn into domestic and international key problem in technology point with the overload capacity of transformer.
Photovoltaic generation preassembled transformer station generally uses mineral transformer oil with oil-filled transformer, is deposited in transformer-cabinet
In seepage and transformer fault in pressure relief valve action injection process, it is difficult degraded to reveal mineral matter transformer oil, its
To underground water, all be present pollution, the particularly pollution to the special vulnerable area of ecological environment in soil and air etc., be particularly acute.Cause
This, the environmental issue that photovoltaic generation preassembled transformer station uses oil-filled transformer to bring is urgently to be resolved hurrily.
Therefore, needed badly among prior art and want a kind of new technical scheme to solve the above problems.
The content of the invention
Technical problem to be solved in the utility model is：A kind of division of low pressure six environment-friendly type photovoltaic generation prepackage type is provided
Transformer station, for solving small traditional low pressure division oil-filled transformer transformer capacity, capital construction and later maintenance is costly, mistake
The shortcomings of loading capability deficiency and mineral transformer oil environmental protection risk.
The utility model provides a kind of division of low pressure six environment-friendly type photovoltaic generation preassembled transformer station, it is characterized in that：
The photovoltaic generation preassembled transformer station includes six transformer with split windings, low-pressure chamber I, collecting pipe, heat abstractor, low-pressure chamber
II and hyperbaric chamber,
Wherein six transformer with split windings include transformer case, transformer body, high-voltage terminal device and low-voltage outlet device,
Vegetable oil in the transformer case filled with burning-point higher than 330 DEG C；The transformer body is arranged in transformer case
Portion, transformer body includes iron core, low pressure winding I, low pressure winding II, low pressure winding III, high pressure winding I, high pressure winding II, height
Press winding III, low pressure winding IV, low pressure winding V and low pressure winding VI, the low pressure winding I, low pressure winding II and low pressure winding
III around being located on iron core, and is arranged along the axial direction of iron core, and low pressure winding I is lifted one's head, low pressure winding II is lifted one's head and low pressure winding
III, which lifts one's head, leads to outside transformer body along the axial direction of iron core be connected with low-voltage outlet device respectively；The high pressure winding I, high pressure
The axial direction arrangement of winding II and high pressure winding III along iron core, high pressure winding I is lifted one's head, high pressure winding II is lifted one's head and high pressure winding III goes out
Head accesses high-voltage terminal device after being respectively led into outside transformer body parallel connection each other, and wherein high pressure winding I is low around being located at
Press the outside of winding I, high pressure winding II is around being located at the outside of low pressure winding II, and high pressure winding III is around being located at the outside of low pressure winding III；Institute
The axial direction arrangement of low pressure winding IV, low pressure winding V and low pressure winding VI along iron core is stated, wherein low pressure winding IV is around being located at high pressure
The outside of winding I, low pressure winding IV, which is lifted one's head, to be led to outside transformer body and is connected with low-voltage outlet device, the winding of low pressure winding V
In the outside of high pressure winding II, low pressure winding V, which is lifted one's head, to be led to outside transformer body and is connected with low-voltage outlet device, low pressure around
Group VI is around the outside of high voltage winding group III is located at, and low pressure winding VI, which is lifted one's head, to be led to outside transformer body and connect with low-voltage outlet device
Connect；
Wherein low-pressure chamber I constitutes preassembled transformer station low pressure wire inlet unit with low-pressure chamber II, and the two divides transformations with six
Device is fixedly connected, and low-pressure chamber I is internally provided with omnipotent breaker, low voltage surge arrester, switch with knifeshaped fuse and intelligence with low-pressure chamber II
Can supervising device；
Wherein collecting pipe side is connected by pipeline with six transformer with split windings, and collecting pipe other side passes through pipeline and radiating
Device is connected, and butterfly valve is provided between collecting pipe and heat abstractor；
Wherein heat abstractor is fin type heat radiator for transformer；
Wherein hyperbaric chamber is preassembled transformer station high-voltage terminal unit, and hyperbaric chamber is fixedly connected with six transformer with split windings, high
Pressure chamber is internally provided with vacuum circuit breaker, microcomputer protecting device, high-voltage arrester, high voltage isolator and earthed switch.
Further, the insulation distance between the high pressure winding I and low pressure winding IV is more than high pressure winding I and low pressure winding
Insulation distance between I；Insulation distance between the high pressure winding II and low pressure winding V is more than high pressure winding II and low pressure
Insulation distance between winding II；Insulation distance between the high pressure winding III and low pressure winding VI be more than high pressure winding III with
Insulation distance between low pressure winding III.
Following beneficial effect can be brought by above-mentioned design the utility model：
1st, in the transformer with split winding of the utility model six low pressure winding I, low pressure winding II, low pressure winding III, high pressure winding
Ith, it is axial direction and width between high pressure winding II, high pressure winding III, low pressure winding IV, low pressure winding V and low pressure winding VI to division
Relation；Low pressure winding quantity is six divisions by double divisions increase of traditional structure, improves the capacity of transformer, is effectively reduced
Photovoltaic DC field preassembled transformer station quantity 2/3, saves capital construction and later maintenance expense 2/3.
2nd, transformer insulation oil uses high-flash vegetable oil, can effectively solve the environmentally friendly risk of mineral transformer oil, and
Improve the fire-protection rating of transformer.
3rd, hyperbaric chamber protection device be vacuum circuit breaker, eliminate high voltage load switch add high pressure fuse protected mode melt
The consumption of disconnected device, reduces the operation and maintenance cost and electric quantity loss of photovoltaic DC field.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the utility model is described in further detail：
Fig. 1 is that the utility model low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station structural representation.
Fig. 2 is six transformer with split winding structures in the division environment-friendly type photovoltaic generation preassembled transformer station of the utility model low pressure six
Schematic diagram.
In figure：The transformer with split windings of 1- six, 2- low-pressure chambers I, 3- collecting pipes, 4- heat abstractors, 5- low-pressure chambers II, 6- high pressures
Room, 7- transformer cases, 8- transformer bodies, 9- high-voltage terminal devices, 10- low-voltage outlet devices, 11- iron cores, 12- low pressure around
Group I, 13- low pressure windings II, 14- low pressure windings III, 15- high pressures winding I, 16- high pressures winding II, 17- high pressures winding III, 18-
Low pressure winding IV, 19- low pressure windings V, 20- low pressure windings VI.
Embodiment
The utility model proposes a kind of low pressure six divide environment-friendly type photovoltaic generation preassembled transformer station, refer to Fig. 1 and
Shown in Fig. 2, the photovoltaic generation preassembled transformer station includes six transformer with split windings 1, low-pressure chamber I 2, collecting pipe 3, heat abstractor 4, low
Pressure chamber II 5 and hyperbaric chamber 6,
Wherein six transformer with split windings 1 include transformer case 7, transformer body 8, high-voltage terminal device 9 and low-pressure line-outgoing
Vegetable oil in device 10, the transformer case 7 filled with burning-point higher than 330 DEG C, from natural oil crops, certainly
Underground water, soil and air etc. can will not be polluted, burning-point is higher than 330 DEG C, improved with complete biodegradable under the conditions of so
The fire-protection rating of transformer；Vegetable oil of the burning-point higher than 330 DEG C has good compatibility with insulating materials；It is described to become
Depressor device body 8 is arranged on inside transformer case 7, and transformer body 8 includes iron core 11, low pressure winding I 12, low pressure winding II
13rd, low pressure winding III 14, high pressure winding I 15, high pressure winding II 16, high pressure winding III 17, low pressure winding IV 18, low pressure winding V
19 and low pressure winding VI 20, the low pressure winding I 12, low pressure winding II 13 and low pressure winding III 14 around being located on iron core 11,
And arranged along the axial direction of iron core 11, and low pressure winding I 12 is lifted one's head, low pressure winding II 13 is lifted one's head and low pressure winding III 14 is lifted one's head difference
Lead to behind the outside of transformer body 8 and be individually connected with low-voltage outlet device 10 along the axial direction of iron core 11；The high pressure winding I 15,
High pressure winding II 16 and high pressure winding III 17 are arranged along the axial direction of iron core 11, and high pressure winding I 15 is lifted one's head, high pressure winding II 16 is lifted one's head
And high pressure winding III 17 lift one's head be respectively led into outside transformer body 8 it is in parallel each other after access high-voltage terminal device 9, wherein
High pressure winding I 15 is around being located at the outside of low pressure winding I 12, and high pressure winding II 16 is around being located at the outside of low pressure winding II 13, high pressure winding
III 17 around being located at the outside of low pressure winding III 14；The low pressure winding IV 18, low pressure winding V 19 and low pressure winding VI 20 are along iron core
11 axial direction arrangement, wherein low pressure winding IV 18 are around the outside of high voltage winding group I 15 is located at, and low pressure winding IV 18, which is lifted one's head, leads to transformer
The outside of device body 8 is simultaneously connected with low-voltage outlet device 10, and low pressure winding V 19 is around being located at the outside of high voltage winding group II 16, low pressure winding V
19, which lift one's head, leads to the outside of transformer body 8 and is connected with low-voltage outlet device 10, and low pressure winding VI 20 is around being located at high voltage winding group III
17 outsides, low pressure winding VI 20, which is lifted one's head, to be led to the outside of transformer body 8 and is connected with low-voltage outlet device 10；Axial split transformation
Device is that the low pressure winding that transformer divides is combined in vertical direction, constitute with the division relation of high pressure winding, width to point
Fission depressor is that the low pressure winding that transformer divides is combined in radial direction, constitutes the division relation with high pressure winding,
Therefore, the high pressure winding I 15, high pressure winding II 16 and high pressure winding III 17 and low pressure winding I 12, low pressure winding II 13 and low
It is axial split relation between pressure winding III 14；
The high pressure winding I 15, high pressure winding II 16 and high pressure winding III 17 and low pressure winding IV 18, low pressure winding V 19
And between low pressure winding VI 20 be axial split relation；The high pressure winding I 15, high pressure winding II 16 and high pressure winding III 17 with
Between low pressure winding I 12 and low pressure winding IV 18 for width to division relation；
The high pressure winding I 15, high pressure winding II 16 and high pressure winding III 17 and low pressure winding II 13 and low pressure winding V
Between 19 for width to division relation；The high pressure winding I 15, high pressure winding II 16 and high pressure winding III 17 and low pressure winding III 14
And between low pressure winding VI 20 for width to division relation；To ensure that high pressure winding divides the short-circuit impedance one of winding to six low pressure
Cause, insulation distance between the high pressure winding I 15 and low pressure winding IV 18 be more than high pressure winding I 15 and low pressure winding I 12 it
Between insulation distance；
Insulation distance between the high pressure winding II 16 and low pressure winding V 19 be more than high pressure winding II 16 and low pressure around
Insulation distance between group II 13；Insulation distance between the high pressure winding III 17 and low pressure winding VI 20 is more than high pressure winding
Insulation distance between III 17 and low pressure winding III 14；The low pressure winding I 12 and low pressure winding III 14 are lifted one's head positioned at transformer
The side of device body 8, low pressure winding I 12 is lifted one's head positioned at top, and low pressure winding III 14 is lifted one's head positioned at bottom；
The low pressure winding II 13, low pressure winding IV 18, low pressure winding V 19 and low pressure winding VI 20 are lifted one's head positioned at transformation
The opposite side of device device body 8, low pressure winding II 13 and low pressure winding IV 18 lift one's head positioned at top, and low pressure winding V 19, which is lifted one's head, to be located at
Portion, low pressure winding VI 20 is lifted one's head positioned at bottom；The low pressure winding I 12, low pressure winding II 13, low pressure winding III 14, low pressure around
Group IV 18, low pressure winding V 19 and low pressure winding VI 20 use the wound winding of paper tinsel, and winding interlayer is provided with preimpregnation layer of cloth,
For 180 DEG C of insulating materials of F levels, winding insulation distance increases 30% compared with traditional structure；The high pressure winding I 15, high pressure winding II
16 and high pressure winding III 17 use multi-layer cylindrical winding, the insulated paint of more than 180 DEG C of high temperature resistant is coated with outside winding conducting wire
Polyester enamel-cover insulation electromagnetic wire is used, the class of insulation is 180 DEG C of F levels, and winding interlayer is provided with NOMEX insulating papers, high temperature resistant
220 DEG C, winding insulation distance increases 30% compared with traditional structure.The low pressure winding I 12, low pressure winding II 13, low pressure winding III
14th, high pressure winding I 15, high pressure winding II 16, high pressure winding III 17, low pressure winding IV 18, low pressure winding V 19 and low pressure winding
VI 20, it is independent coiling, is set in together finally according to winding position noted earlier order.
Wherein photovoltaic generation preassembled transformer station has two low-pressure chambers, respectively low-pressure chamber I 2 and low-pressure chamber II 5, low-pressure chamber
I 2 constitute preassembled transformer station low pressure wire inlet unit with low-pressure chamber II 5, and low pressure wire inlet unit is preassembled transformer station transformer electricity
Energy input side, the electric energy of photovoltaic DC-to-AC converter output is transmitted to transformer station, low-pressure chamber I 2 and low-pressure chamber II 5 by low pressure wire inlet unit
It is fixedly connected with six transformer with split windings 1, low-pressure chamber I 2 is internally provided with omnipotent breaker, low pressure with low-pressure chamber II 5 and kept away
Thunder device, switch with knifeshaped fuse and intelligent monitoring and controlling device, wherein intelligent monitoring and controlling device possess transformer low voltage alternating voltage and the magnitude of current is adopted
The functions such as collection, overcurrent protection, overvoltage protection, open-phase protection, protection, temperature protection, oil level protection, and with communication and event
Hinder writing function；
Wherein the side of collecting pipe 3 is connected by pipeline with six transformer with split windings 1, the other side of collecting pipe 3 by pipeline with
Heat abstractor 4 is connected, and butterfly valve is provided between collecting pipe 3 and heat abstractor 4, and collecting pipe 3 is square steel tube workpiece, Ke Yiyou
Effect solves the problem of can not arranging any more of heat abstractor 4 caused by space shared by low-voltage cabinet increase；
Wherein heat abstractor 4 is fin type heat radiator for transformer, and it is provided with butterfly valve between collecting pipe 3, can make pre-
Gilled radiator is removed when transporting by Zhuan Shi transformer stations, transport difficulty is reduced, while can facilitate the replacing of gilled radiator；
Wherein hyperbaric chamber 6 is preassembled transformer station high-voltage terminal unit, and high-voltage terminal unit is preassembled transformer station transformation
Device electric energy outlet side, electric energy transmits out transformer after transformer changes voltage by high-voltage terminal unit, hyperbaric chamber 6 with
Six transformer with split windings 1 are fixedly connected, and hyperbaric chamber 6 is internally provided with vacuum circuit breaker, microcomputer protecting device, high-voltage arrester, height
Press disconnecting switch and earthed switch.Wherein microcomputer protecting device has protection, remote measurement, remote signalling, remote pulse, remote regulating, distant control function, can
The control and management comprehensive to its is realized, unattended function is realized.
Social benefit：
The photovoltaic generation preassembled transformer station can inside manufacturing works according to power plant construction requirement made in advance, this
Sample so that transformer station can be manufactured by the production procedure of batch production, on the one hand be substantially shorter the construction period, another
The production of aspect batch production, detection means can also be further ensured that the construction quality of transformer station.In addition, standardizing journey in transformer station
It on the basis of degree is improved, can also in advance be produced, prefabricated, the solar power station construction period in later stage can be greatly reduced, subtracted
Small difficulty of construction, while can also save cost.
The utility model proposes low pressure six division environment-friendly type photovoltaic generation preassembled transformer station have following several respects excellent
Point：
1st, in the transformer with split winding of the utility model six low pressure winding I 12, low pressure winding II 13, low pressure winding III 14, height
Press winding I 15, high pressure winding II 16, high pressure winding III 17, low pressure winding IV 18, low pressure winding V 19 and low pressure winding VI 20 it
Between be axial direction and width to division relation；Low pressure winding quantity is six divisions by double divisions increase of traditional structure, improves transformation
The capacity of device, is effectively reduced photovoltaic DC field preassembled transformer station quantity 2/3, saves capital construction and later maintenance expense 2/3.
2nd, transformer insulation oil uses high-flash vegetable oil, can effectively solve the environmentally friendly risk of mineral transformer oil, and
Improve the fire-protection rating of transformer.
3rd, low pressure winding interlayer insulation is prepreg cloth, is F grades of (180 DEG C) insulating materials, and high pressure winding uses polyester enamel-cover
Insulation electromagnetic wire, the class of insulation is F grades (180 DEG C), and interlayer dielectic uses Nomex paper (220 DEG C), high pressure winding and low pressure
Winding insulation distance increases 30% compared with traditional structure, can effectively solve traditional A class B insulations (105 DEG C) preassembled transformer station transformer
Overload capacity deficiency problem, makes the permission temperature rise of transformer improve 75 DEG C.
4th, hyperbaric chamber protection device be vacuum circuit breaker, eliminate high voltage load switch add high pressure fuse protected mode melt
The consumption of disconnected device, reduces the operation and maintenance cost and electric quantity loss of photovoltaic DC field.
Claims (2)
1. low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station, it is characterized in that：The photovoltaic generation preassembled transformer station bag
Six transformer with split windings (1), low-pressure chamber I (2), collecting pipe (3), heat abstractor (4), low-pressure chamber II (5) and hyperbaric chamber (6) are included,
Wherein six transformer with split windings (1) include transformer case (7), transformer body (8), high-voltage terminal device (9) and low pressure
Vegetable oil in outgoing line device (10), the transformer case (7) filled with burning-point higher than 330 DEG C；The transformer body (8)
Internal installed in transformer case (7), transformer body (8) includes iron core (11), low pressure winding I (12), low pressure winding II
(13), low pressure winding III (14), high pressure winding I (15), high pressure winding II (16), high pressure winding III (17), low pressure winding IV
(18), low pressure winding V (19) and low pressure winding VI (20), the low pressure winding I (12), low pressure winding II (13) and low pressure around
III (14) of group are around being located on iron core (11), and along the axial direction arrangement of iron core (11), and low pressure winding I (12) is lifted one's head, low pressure around
II (13) of group are lifted one's head and low pressure winding III (14) is lifted one's head respectively along the axial direction of iron core (11) lead to transformer body (8) it is outside with it is low
Extrude line apparatus (10) connection；The high pressure winding I (15), high pressure winding II (16) and high pressure winding III (17) are along iron core (11)
Axial direction arrangement, high pressure winding I (15), which is lifted one's head, high pressure winding II (16) is lifted one's head and high pressure winding III (17) is lifted one's head is respectively led into change
Depressor device body (8) it is outside it is in parallel each other after access high-voltage terminal device (9), wherein high pressure winding I (15) around being located at low pressure
On the outside of winding I (12), high pressure winding II (16) is around being located on the outside of low pressure winding II (13), and high pressure winding III (17) is around being located at low pressure
On the outside of winding III (14)；The low pressure winding IV (18), low pressure winding V (19) and low pressure winding VI (20) are along iron core (11)
Axially arrangement, wherein low pressure winding IV (18) are around being located on the outside of high voltage winding group I (15), and low pressure winding IV (18), which is lifted one's head, leads to transformation
Device device body (8) is outside simultaneously be connected with low-voltage outlet device (10), low pressure winding V (19) around being located at high voltage winding group II (16) outside,
Low pressure winding V (19), which is lifted one's head, to be led to transformer body (8) outside and is connected with low-voltage outlet device (10), low pressure winding VI
(20) around being located on the outside of high voltage winding group III (17), low pressure winding VI (20), which is lifted one's head, leads to transformer body (8) outside and and low pressure
Outgoing line device (10) is connected；
Wherein low-pressure chamber I (2) constitutes preassembled transformer station low pressure wire inlet unit with low-pressure chamber II (5), and the two becomes with six divisions
Depressor (1) is fixedly connected, and low-pressure chamber I (2) is internally provided with omnipotent breaker, low voltage surge arrester, knife with low-pressure chamber II (5)
Molten switch and intelligent monitoring and controlling device；
Wherein collecting pipe (3) side is connected by pipeline with six transformer with split windings (1), and collecting pipe (3) other side passes through pipeline
It is connected with heat abstractor (4), and butterfly valve is provided between collecting pipe (3) and heat abstractor (4)；
Wherein heat abstractor (4) is fin type heat radiator for transformer；
Wherein hyperbaric chamber (6) are preassembled transformer station high-voltage terminal unit, hyperbaric chamber (6) and the fixed company of six transformer with split windings (1)
Connect, hyperbaric chamber (6) are internally provided with vacuum circuit breaker, microcomputer protecting device, high-voltage arrester, high voltage isolator and ground connection and opened
Close.
2. low pressure six according to claim 1 divides environment-friendly type photovoltaic generation preassembled transformer station, it is characterized in that：The height
The insulation distance between winding I (15) and low pressure winding IV (18) is pressed to be more than between high pressure winding I (15) and low pressure winding I (12)
Insulation distance；Insulation distance between the high pressure winding II (16) and low pressure winding V (19) is more than high pressure winding II (16)
With the insulation distance between low pressure winding II (13)；Insulation between the high pressure winding III (17) and low pressure winding VI (20) away from
From more than the insulation distance between high pressure winding III (17) and low pressure winding III (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021373.6U CN206364421U (en) | 2017-01-09 | 2017-01-09 | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021373.6U CN206364421U (en) | 2017-01-09 | 2017-01-09 | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364421U true CN206364421U (en) | 2017-07-28 |
Family
ID=59380626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021373.6U Active CN206364421U (en) | 2017-01-09 | 2017-01-09 | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station |
Country Status (1)
| Country | Link |
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| CN (1) | CN206364421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786082A (en) * | 2017-01-09 | 2017-05-31 | 成来电气科技有限公司 | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station |
| CN108922817A (en) * | 2018-07-10 | 2018-11-30 | 深圳市地铁集团有限公司运营总部 | Earthed system is isolated in traction rectifier transformer |
-
2017
- 2017-01-09 CN CN201720021373.6U patent/CN206364421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786082A (en) * | 2017-01-09 | 2017-05-31 | 成来电气科技有限公司 | Low pressure six divides environment-friendly type photovoltaic generation preassembled transformer station |
| CN108922817A (en) * | 2018-07-10 | 2018-11-30 | 深圳市地铁集团有限公司运营总部 | Earthed system is isolated in traction rectifier transformer |
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