CN206134443U - Power transformer of 10kV and 6. 6kV voltage conversion output - Google Patents
Power transformer of 10kV and 6. 6kV voltage conversion output Download PDFInfo
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- CN206134443U CN206134443U CN201621172291.3U CN201621172291U CN206134443U CN 206134443 U CN206134443 U CN 206134443U CN 201621172291 U CN201621172291 U CN 201621172291U CN 206134443 U CN206134443 U CN 206134443U
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Abstract
The utility model discloses a power transformer of 10kV and 6.6kV voltage conversion output, its capacity that is applicable to voltage conversion output is 3150KVA and following power transformer, and low voltage coil is divided into 3 coils, first coil, second coil and tertiary winding promptly, the number of turns proportion that three coil pair was answered is 3.2: 3.4: 3.4, is conventional drum formula coil, and just first coil is public coil, in inside, second coil and tertiary winding externally, their axials distribute and to realize through the series parallel switch that the coil connection in series -parallel is in order to reach voltage conversion. The utility model discloses a transformer can be realized and two kinds of voltages of 10kV and 6.6kV are supported to export simultaneously to the realization can both be worked and two transformers of unnecessary preparation at two kinds of electric wire nettings, has practiced thrift the resource.
Description
Technical field
This utility model is related to power transformer equipment technical field, and especially a kind of 10kV and 6.6kV voltage conversions are defeated
The power transformer for going out.
Background technology
At present Africa is more national due to historical reasons, and utility distribution system all adopts two kinds of electric pressures of 10kV, 6.6KV
And deposit as primary power distribution voltage, therefore, the output voltage of its intermediate transformer has two kinds of 10kV, 6.6KV, in order to save into
This, must just design and meet low pressure output two kinds of voltages of 10kV, 6.6KV.
Utility model content
The purpose of this utility model is to provide a kind of power transformer of 10kV and 6.6kV voltage conversions output, and its is defeated
Going out voltage can switch between two kinds of voltages of 10kV and 6.6kV, save resource, to solve above-mentioned background technology in propose ask
Topic.
For achieving the above object, this utility model provides following technical scheme：A kind of 10kV and 6.6kV voltage conversions output
Power transformer, including coil and permutator, the permutator by the first driving switch, the second driving switch, the 3rd
Driving switch, fourth speed bit switch and earthed switch composition, the first driving switch, the second driving switch, third gear switch, the
Four driving switch and the equal circuit of earthed switch are connected with high-voltage output line, and the first driving switch, the second driving switch, third gear
It is electrically connected with by binding post between bit switch and fourth speed bit switch；The coil is divided into first coil, the second coil
And tertiary coil, first coil, the second coil and tertiary coil are axially distributed on transformer shell, and first coil is public
Coil, it is distributed in the inside of transformer shell, and the second coil and tertiary coil are distributed in the outside of transformer shell；Described
The Wiring port of one coil is also respectively provided with A1 interfaces and A2 interfaces, and the Wiring port of the second coil is respectively arranged with B1 interfaces
With B2 interfaces, the Wiring port of tertiary coil is respectively arranged with C1 interfaces and C2 interfaces；The A2 interfaces are with B1 interfaces by leading
On the first driving switch, the outfan of B2 interfaces is by wired in series on the second driving switch for line parallel；3rd line
By wired in series on third gear switch, its C2 interface is by wired in series in fourth speed bit switch for C1 interfaces on circle
On.
As further program of the utility model：The maximum capacity of the high-voltage output line output is 3150KVA.
As further program of the utility model：The first coil, the second coil and the corresponding number of turn of tertiary coil
Ratio is 3.2: 3.4: 3.4, and winding mode is conventional cylindrical layer winding.
As further program of the utility model：The binding post is electrically connected at the second driving switch and third gear
When between switch, the output voltage of high-voltage output line is 10kV.
As further program of the utility model：The binding post is electrically connected with the second driving switch and the 4th
When between driving switch, third gear switch and the first driving switch, the output voltage of high-voltage output line is 6.6kV.
Compared with prior art, this utility model beneficial effect：This 10kV and the power transformer of 6.6kV voltage conversions output
Device, by the way that low-voltage coil is adopted into series, parallel structure, reaching output voltage can switch between two kinds of voltages of 10kV and 6.6kV,
When it is 10kV that transformator needs output voltage, binding post is electrically connected between the second driving switch and third gear switch
When, remaining driving switch is all off so that first coil, three coils of the second coil and tertiary coil realize series connection, as
3.2+ (3.4+3.4)=10kV, the output voltage of high-voltage output line is 10kV；When it is 6.6kV that transformator needs output voltage,
Binding post is electrically connected between the second driving switch and fourth speed bit switch, third gear switch and the first driving switch
When, remaining driving switch disconnects so that the second coil is connected again with after tertiary coil parallel connection with first coil, as 3.2+
(3.4//3.4)=6.6kV, the output voltage of high-voltage output line is 6.6kV, so as to reach the voltage output of this power transformer
Change between 6.6kV and 10kV, using such structure, it is ensured that in the case where two kinds of voltages are exported, transformator joins low pressure
Knot group is constant, and second coil and tertiary coil respectively flow through the operating current of half when in parallel, produces without circulating current, and
Transformator idling is carried and is more or less the same, and all in deviation range, in addition, transformer impedance is more or less the same, in deviation range, is realized
One transformator supports output two kinds of voltages of 10kV and 6.6kV simultaneously, so as to realize can working without system in two kinds of electrical networks
Make two transformators, save resource.
Description of the drawings
Fig. 1 is back panel wiring schematic diagram of the present utility model；
Fig. 2 is wiring diagram of this utility model output voltage in 10kV；
Fig. 3 is wiring diagram of this utility model output voltage in 6.6kV.
In figure：1- coils；11- first coils；111-A1 interfaces；112-A2 interfaces；The coils of 12- second；121-B1 interfaces；
122-B2 interfaces；13- tertiary coils；131-C1 interfaces；132-C2 interfaces；2- permutatoies；The driving switch of 21- first；22-
Two driving switch；23- third gears are switched；24- fourth speed bit switches；25- earthed switches；3- binding posts；4- high-voltage output lines.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-3 are referred to, in this utility model embodiment, a kind of power transformer of 10kV and 6.6kV voltage conversions output
Device, including coil 1 and permutator 2, the permutator 2 is by the first driving switch 21, the second driving switch 22, third gear
Switch 23, fourth speed bit switch 24 and earthed switch 25 are constituted, and earthed switch 25 is used for square electric leakage and processes, the work with protection
With the first driving switch 21, the second driving switch 22, third gear switch 23, fourth speed bit switch 24 and earthed switch 25 are equal
Circuit is connected with high-voltage output line 4, and the maximum capacity of the output of high-voltage output line 4 is 3150KVA, so this 6.6kV and 10kV is electric
Pressure changes output and is applied to capacity into 3150KVA and following power transformer, and the first driving switch 21, the second driving switch
22nd, it is electrically connected with by binding post 3 between third gear switch 23 and fourth speed bit switch 24, the position of binding post 3 can
It is mobile, when binding post 3 is electrically connected between the second driving switch 22 and third gear switch 23, remaining driving switch whole
Disconnect so that first coil 11,13 3 coils of the second coil 12 and tertiary coil realize series connection, as 3.2+ (3.4+3.4)
=10kV, the output voltage of high-voltage output line 4 is 10kV；When binding post 3 is electrically connected with the second driving switch 22 and
When between four driving switch 24, third gear switch 23 and the first driving switch 21, remaining driving switch disconnects so that the second line
Circle 12 is connected again with after the parallel connection of tertiary coil 13 with first coil 11, as 3.2+ (3.4//3.4)=6.6kV, high-voltage output line
4 output voltage is 6.6kV, so as to the voltage output for reaching this power transformer is changed between 6.6kV and 10kV, adopts this
The structure of sample, it is ensured that low pressure is in the case where two kinds of voltages are exported, and transformer winding connections are constant, and the second coil when in parallel
12 operating currents that half is respectively flow through with tertiary coil 13, produce without circulating current, and transformator idling is carried and is more or less the same, and is all existed
In deviation range, in addition, transformer impedance is more or less the same, in deviation range, a transformator is realized while supporting output
Two kinds of voltages of 10kV and 6.6kV, so as to realize can working without making two transformators in two kinds of electrical networks, have saved money
Source；1 point of coil is first coil 11, the second coil 12 and tertiary coil 13, first coil 11, the second coil 12 and tertiary coil
13 corresponding number of turn ratios are 3.2: 3.4: 3.4, and winding mode is conventional cylindrical layer winding, first coil 11, the second line
Circle 12 and tertiary coil 13 are axially distributed on transformer shell, and realize voltage conversion, and First Line by series parallel switch
Circle 11 is common winding, and it is distributed in the inside of transformer shell, and the second coil 12 and tertiary coil 13 are distributed in transformer shell
The outside of body；The Wiring port of first coil 11 is also respectively provided with A1 interfaces 111 and A2 interfaces 112, and the second coil 12 connects
Line end mouth is respectively arranged with B1 interfaces 121 and B2 interfaces 122, and the Wiring port of tertiary coil 13 is respectively arranged with C1 interfaces 131
With C2 interfaces 132；A2 interfaces 112 and B1 interfaces 121 by conductor in parallel on the first driving switch 21, B2 interfaces 122 it is defeated
Go out and hold by wired in series on the second driving switch 22；C1 interfaces 131 on tertiary coil 13 are by wired in series the 3rd
On driving switch 23, its C2 interface 132 is by wired in series on fourth speed bit switch 24.
In sum：This 10kV and the power transformer of 6.6kV voltage conversions output, are gone here and there by the way that low-voltage coil is adopted
Connection, parallel-connection structure, reaching output voltage can switch between two kinds of voltages of 10kV and 6.6kV, be when transformator needs output voltage
During 10kV, when binding post 3 is electrically connected between the second driving switch 22 and third gear switch 23, remaining driving switch whole
Disconnect so that first coil 11,13 3 coils of the second coil 12 and tertiary coil realize series connection, as 3.2+ (3.4+3.4)
=10kV, the output voltage of high-voltage output line 4 is 10kV；When it is 6.6kV that transformator needs output voltage, binding post 3 is distinguished
It is electrically connected between the second driving switch 22 and fourth speed bit switch 24, third gear switch 23 and the first driving switch 21
When, remaining driving switch disconnects so that the second coil 12 is connected again with after the parallel connection of tertiary coil 13 with first coil 11, as
3.2+ (3.4//3.4)=6.6kV, the output voltage of high-voltage output line 4 is 6.6kV, so as to reach the voltage of this power transformer
Output between 6.6kV and 10kV change, using such structure, it is ensured that low pressure export two kinds of voltages in the case of, transformation
Device connection set is constant, and second coil 12 and tertiary coil 13 respectively flow through the operating current of half when in parallel, without circulation electricity
Miscarriage is given birth to, and transformator idling is carried and is more or less the same, all in deviation range, in addition, transformer impedance is more or less the same, in deviation model
In enclosing, realize that a transformator supports output two kinds of voltages of 10kV and 6.6kV simultaneously, so as to realize can working in two kinds of electrical networks
Without making two transformators, resource has been saved.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. the power transformer that a kind of 10kV and 6.6kV voltage conversions are exported, including coil (1) and permutator (2), its feature
It is：The permutator (2) by the first driving switch (21), the second driving switch (22), third gear switch (23), the 4th
Driving switch (24) and earthed switch (25) are constituted, the first driving switch (21), the second driving switch (22), third gear switch
(23), fourth speed bit switch (24) and earthed switch (25) circuit are connected with high-voltage output line (4), and the first driving switch
(21), carried out by binding post (3) between the second driving switch (22), third gear switch (23) and fourth speed bit switch (24)
It is electrically connected with；The coil (1) is divided into first coil (11), the second coil (12) and tertiary coil (13), first coil (11),
Second coil (12) and tertiary coil (13) are axially distributed on transformer shell, and first coil (11) is common winding, its
The inside of transformer shell is distributed in, the second coil (12) and tertiary coil (13) are distributed in the outside of transformer shell；It is described
The Wiring port of first coil (11) is also respectively provided with A1 interfaces (111) and A2 interfaces (112), the wiring of the second coil (12)
Port is respectively arranged with B1 interfaces (121) and B2 interfaces (122), and the Wiring port of tertiary coil (13) is respectively arranged with C1 interfaces
And C2 interfaces (132) (131)；The A2 interfaces (112) are with B1 interfaces (121) by conductor in parallel in the first driving switch (21)
On, the outfan of B2 interfaces (122) is by wired in series on the second driving switch (22)；C1 on the tertiary coil (13)
By wired in series in third gear switch (23), its C2 interface (132) is by wired in series in fourth speed position for interface (131)
On switch (24).
2. the power transformer that a kind of 10kV and 6.6kV voltage conversions according to claim 1 are exported, it is characterised in that：
The maximum capacity of high-voltage output line (4) output is 3150KVA.
3. the power transformer that a kind of 10kV and 6.6kV voltage conversions according to claim 1 are exported, it is characterised in that：
The first coil (11), the second coil (12) and the corresponding number of turn ratio of tertiary coil (13) are 3.2: 3.4: 3.4, and coiling
Mode is conventional cylindrical layer winding.
4. the power transformer that a kind of 10kV and 6.6kV voltage conversions according to claim 1 are exported, it is characterised in that：
When the binding post (3) is electrically connected between the second driving switch (22) and third gear switch (23), high-voltage output line (4)
Output voltage be 10kV.
5. the power transformer that a kind of 10kV and 6.6kV voltage conversions according to claim 1 are exported, it is characterised in that：
The binding post (3) is electrically connected with the second driving switch (22) and fourth speed bit switch (24), third gear switch
(23) when and the first driving switch (21) between, the output voltage of high-voltage output line (4) is 6.6kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172291.3U CN206134443U (en) | 2016-10-26 | 2016-10-26 | Power transformer of 10kV and 6. 6kV voltage conversion output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172291.3U CN206134443U (en) | 2016-10-26 | 2016-10-26 | Power transformer of 10kV and 6. 6kV voltage conversion output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134443U true CN206134443U (en) | 2017-04-26 |
Family
ID=58575192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621172291.3U Active CN206134443U (en) | 2016-10-26 | 2016-10-26 | Power transformer of 10kV and 6. 6kV voltage conversion output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206134443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610909A (en) * | 2017-10-25 | 2018-01-19 | 山东达驰电气有限公司 | The high-pressure side winding wiring structure of Double-voltage transformer |
-
2016
- 2016-10-26 CN CN201621172291.3U patent/CN206134443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610909A (en) * | 2017-10-25 | 2018-01-19 | 山东达驰电气有限公司 | The high-pressure side winding wiring structure of Double-voltage transformer |
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