CN206807017U - A kind of distribution transformer three-phase load intelligent balance device - Google Patents
A kind of distribution transformer three-phase load intelligent balance device Download PDFInfo
- Publication number
- CN206807017U CN206807017U CN201720483231.1U CN201720483231U CN206807017U CN 206807017 U CN206807017 U CN 206807017U CN 201720483231 U CN201720483231 U CN 201720483231U CN 206807017 U CN206807017 U CN 206807017U
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- China
- Prior art keywords
- distribution transformer
- pipe
- intelligent balance
- phase load
- balance device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
It the utility model is related to a kind of distribution transformer three-phase load intelligent balance device; including power transmission source line, fusing insurance, computer processor, horizontal capstan winch gearcase, high-tension current conductive bar, high-k thermometal pipe, high capacitance outside transformation than thermoelectric ceramics powder, external power grid input channel, high wind fan, the standby input channel of external power grid; the device instead of high cost information networked control systems to reach distribution transformer overload protection purpose using the easily changeable functional material of low cost, while device is had the self-repair function not available for current device.The device can also carry out intelligent balance regulation according to different loads situation, ensure that allocative efficiency is optimal.The device is by setting triple safe point to greatly improve equipment safety.
Description
Technical field
A kind of Power system device is the utility model is related to, is born more specifically to a kind of distribution transformer three-phase
Lotus intelligent balance device, belongs to engineering electricity field.
Background technology
With the continuous development of power grid user, the three-phase power load imbalance problem of distribution network is more and more prominent, example
Such as because load accesses reason, many distribution transformer low-pressure side three-phase load unbalances, it is existing that single-phase load overload easily occurs
As increasing circuit loss, capacity of distribution transform is not fully utilized.Big zero-sequence current is produced when serious, blows zero line, forms electricity
Pressure accident.Balanced adjustment and protection operation are essentially still at manual work level at present, in load peak, it is necessary to by low pressure
Load all has a power failure, and then manually steps on bar and carries out work high above the ground, disconnects wire clamp, changes contact, time-consuming, it is impossible to voluntarily to carry out
Regulating guarantee is not shut down when overloading, and operation is voluntarily adjusted when under load.And on the one hand existing protection device is using information-based report
It is alert to safeguard, function not only with high costs and without self-regeneration circuit, the sluice gate formula protected mode of another aspect low cost
Belong to a consumption wayses, be unfavorable for reducing the life cycle costing of operation power system.So it is effective to design a kind of safety
Distribution transformer three-phase load intelligent balance device become current urgent need.
The content of the invention
In order to solve problem present in background technology, the utility model provides a kind of effective distribution of safety
Three-Phase Transformer load intelligent balance device.
Its technical scheme is：A kind of distribution transformer three-phase load intelligent balance device, including it is power transmission source line outside transformation, molten
Disconnected insurance, computer processor, horizontal capstan winch gearcase, high-tension current conductive bar, high-k thermometal pipe, high capacitance ratio
Thermoelectric ceramics powder, external power grid input channel, high wind fan, the standby input channel of external power grid, the outer power transmission source line of described transformation
Connection fusing insurance, fusing insurance connected with computer processor, horizontal capstan winch gearcase and computer processor outside transformation by transmitting electricity
Source line connection, high-tension current conductive bar connect horizontal capstan winch gearcase, and high-k thermometal pipe connection high-tension electricity spreads
Guide rod, high capacitance are evenly distributed in high-k thermometal pipe than thermoelectric ceramics powder, high-k thermometal
Pipe contacts external power grid input channel, high wind fan high-k thermometal pipe and external power grid input channel contact point just under
Side.
As the further optimization of the technical program, described its dielectric constant of high-k thermometal pipe is 50~
100。
As the further optimization of the technical program, described its thermal coefficient of expansion of high-k thermometal pipe is 20
~40.
As the further optimization of the technical program, described high capacitance than thermoelectric ceramics powder its capacitance be 300~
500F。
As the further optimization of the technical program, described high-k thermometal pipe is under normal operation circumstances
For vertical tubular.
As the further optimization of the technical program, described high-k thermometal pipe is in the case of breaking down
For bent tube form.
As the further optimization of the technical program, after fixing a breakdown, the high wind fan is to high-k temperature-sensitive
Metal tube carries out fast cooling, and high-k thermometal pipe is deformed into vertical tubular again.
As the further optimization of the technical program, occur overvoltage or it is under load in the case of high-tension current conductive bar lead to
Cross horizontal capstan winch gearcase to be diverted to directly over the standby input channel of external power grid, high-k thermometal pipe and external power grid are standby
Contacted with input channel.
Compared with prior art, the beneficial effects of the utility model are：
(1), the present apparatus significantly reduces the construction cost and operation cost of existing power system, is changed using low-cost and easy-to
Functional material instead of high cost information networked control systems to reach distribution transformer overload protection purpose.Because of the functional material
With self-repair function so that distribution transformer is also equally with significantly self-repair function, this is existing technical equipment
Not available.The operation maintenance cost greatly reduced.
(2), the present apparatus can according to different loads situation carry out intelligent balance regulation, when there is overload condition in a certain phase by
Other mutually shunt burden load, when there is under load situation, share other phase load, can ensure that allocative efficiency is optimal.
(3), the present apparatus greatly improves in security, there is provided triple safe point, first, and pass through high-k temperature-sensitive
Working condition of the metal tube under different operating modes passes through MICROCOMPUTER PROCESSING and horizontal capstan winch tooth with fusing, second caused by antioverloading
The aggregate motion of box, high-tension current conductive bar is taken turns, in the case where a certain phase is overloaded by other phase load sharings, in single-phase under load feelings
Be other phase load sharings under condition, to prevent occur load it is uneven and caused by voltage accident.3rd, under extreme conditions, when a certain phase
Still in higher extreme value after load is at utmost shunted, barrier path, and then protect completely can be insured by fusing
Whole set equipment.
Brief description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of distribution transformer three-phase load intelligent balance apparatus structure schematic diagram of the utility model.
Fig. 2 is that the utility model high-tension current conductive bar, high-k thermometal pipe and high capacitance compare thermoelectric ceramics
Mealy structure schematic diagram.
Fig. 3 is the horizontal capstan winch gearcase of the utility model and high-tension current conductive bar structural representation.
Wherein：The outer power transmission source line of 1- transformations, 2- fusing insurance, 3- computer processors, the horizontal capstan winch gearcases of 4-, 5- high pressures
Current conducting bar, 6- high-k thermometals pipe, 7- high capacitances are than thermoelectric ceramics powder, 8- external power grids input channel, 9-
High wind fan, the standby input channel of 10- external power grids.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-3, a kind of distribution transformer three-phase load intelligent balance device of the utility model, including：Outside transformation
Power transmission source line 1, fusing insurance 2, computer processor 3, horizontal capstan winch gearcase 4, high-tension current conductive bar 5, high-k heat
Sensitized metal pipe 6, high capacitance are than thermoelectric ceramics powder 7, external power grid input channel 8, high wind fan 9, the standby input channel of external power grid
10, the outer power transmission source line 1 of described transformation connects fusing insurance 2, fusing 2 connected with computer processors 3 of insurance, horizontal capstan winch gearcase
4 and computer processor 3 connected by power transmission source line 1 outside transformation, high-tension current conductive bar 5 connects horizontal capstan winch gearcase 4, Gao Jie
Electric constant thermometal pipe 6 connects high-tension current conductive bar 5, and it is normal that high capacitance than thermoelectric ceramics powder 7 is evenly distributed on high dielectric
In number thermometal pipe 6, high-k thermometal pipe 6 contacts external power grid input channel 8, and high wind fan 9 is normal in high dielectric
Immediately below number thermometal pipe 6 and the contact point of external power grid input channel 8.
As the further optimization of the technical program, described its dielectric constant of high-k thermometal pipe 6 is 50
~100.
As the further optimization of the technical program, described its thermal coefficient of expansion of high-k thermometal pipe 6 is
20~40.
As the further optimization of the technical program, described high capacitance than thermoelectric ceramics powder 7 its capacitance be 300~
500F。
As the further optimization of the technical program, described high-k thermometal pipe 6 is in normal operation circumstances
It is vertical tubular down.
As the further optimization of the technical program, described high-k thermometal pipe 6 is in the situation of breaking down
It is bent tube form down.
As the further optimization of the technical program, after fixing a breakdown, the high wind fan 9 is to high-k temperature-sensitive
Metal tube 6 carries out fast cooling, and high-k thermometal pipe 6 is deformed into vertical tubular again.
As the further optimization of the technical program, occur overvoltage or it is under load in the case of high-tension current conductive bar 5
Be diverted to by horizontal capstan winch gearcase 4 directly over the standby input channel of external power grid 10, high-k thermometal pipe 6 with it is outer
The standby input channel 10 of power network contacts.
The utility model is at work：Power transmission source line 1 is to the power transmission of external power grid input channel 8 outside from transformation, in transmission process
Can be by high-k thermometal pipe 6 and high capacitance than thermoelectric ceramics powder 7, when electric current compares thermoelectric ceramics by high capacitance
Powder 7 and when being in load operation scope, because heat discharge prin-ciple can cause its external heat release but not influence resistance, its heat release
Temperature rising value caused by amount does not trigger the thermal coefficient of expansion temperature value lower limit of the temperature-sensitive of high-k thermometal pipe 6 bending,
But when being broken down when load exceedes working range, thermal discharge too conference causes temperature to be substantially increased, normal more than high dielectric
The thermal coefficient of expansion lower limit of the temperature-sensitive bending of number thermometal pipe 6, high-k thermometal pipe 6 is deformed into curved by vertical tubular
Curved tube shape, cause it to be separated with external power grid input channel 8, form open circuit, play a part of self-shield when failure occurs, contrast is existing
The information-based monitoring system that row part uses, its cost is extremely low and effect is good, when failture evacuation, makes high wind fan 9 start work
Make to carry out fast cooling than thermoelectric ceramics powder 7 to high-k thermometal pipe 6 and high capacitance, can especially cause high dielectric
The body temperature of constant thermometal pipe 6 is deformed into vertical tubular less than thermal coefficient of expansion temperature value lower limit so as to return.It is this from
Repair function is the operation maintenance cost that power system greatly reduces not available for prior art device.
When a certain phase external power grid occurs overloading or during under load situation, can be entered by the Treatment Analysis between computer processor 3
Row balance load sharing, pass through horizontal capstan winch gearcase 4, the aggregate motion high-k temperature-sensitive gold of high-tension current conductive bar 5
Category pipe 6 separates with external power grid input channel 8, and input channel standby with external power grid 10 contacts and plays output load sharing or input load sharing
Effect, reach the purpose of load intelligent balance.
When integral load overload or a certain phase at utmost shunt load after still in higher extreme value when, fusing
Insurance 2 can fuse immediately, obstruct path completely, and then protect whole set equipment, serve the effect of multiple protective.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model,
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of distribution transformer three-phase load intelligent balance device, it is characterised in that including power transmission source line (1) outside transformation, molten
Disconnected insurance (2), computer processor (3), horizontal capstan winch gearcase (4), high-tension current conductive bar (5), high-k temperature-sensitive gold
Category pipe (6), high capacitance are than thermoelectric ceramics powder (7), external power grid input channel (8), high wind fan (9), the standby input of external power grid
Passage (10), outer power transmission source line (1) the connection fusing insurance (2) of described transformation, fusing insurance (2) connected with computer processor (3),
Horizontal capstan winch gearcase (4) and computer processor (3) are connected by power transmission source line (1) outside transformation, and high-tension current conductive bar (5) is even
The flat capstan winch gearcase (4) of water receiving, high-k thermometal pipe (6) connection high-tension current conductive bar (5), high capacitance compare thermoelectricity
Ceramic powders (7) are evenly distributed in high-k thermometal pipe (6), and high-k thermometal pipe (6) contact is outer
Power network input channel (8), high wind fan (9) is in high-k thermometal pipe (6) and external power grid input channel (8) contact point
Underface.
A kind of 2. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Described
High-k thermometal pipe (6) its dielectric constant is 50~100.
A kind of 3. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Described
High-k thermometal pipe (6) its thermal coefficient of expansion is 20~40.
A kind of 4. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Described
High capacitance is 300~500F than thermoelectric ceramics powder (7) its capacitance.
A kind of 5. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Described
High-k thermometal pipe (6) is vertical tubular under normal operation circumstances.
A kind of 6. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Described
High-k thermometal pipe (6) is bent tube form in the case of breaking down.
A kind of 7. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Excluding
After failure, the high wind fan (9) carries out fast cooling, high-k temperature-sensitive gold to high-k thermometal pipe (6)
Category pipe (6) is deformed into vertical tubular again.
A kind of 8. distribution transformer three-phase load intelligent balance device according to claim 1, it is characterised in that：Occurring
When overvoltage or under load situation, it is standby defeated that high-tension current conductive bar (5) by horizontal capstan winch gearcase (4) is diverted to external power grid
Enter directly over passage (10), high-k thermometal pipe (6) contacts with the standby input channel of external power grid (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720483231.1U CN206807017U (en) | 2017-05-04 | 2017-05-04 | A kind of distribution transformer three-phase load intelligent balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720483231.1U CN206807017U (en) | 2017-05-04 | 2017-05-04 | A kind of distribution transformer three-phase load intelligent balance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807017U true CN206807017U (en) | 2017-12-26 |
Family
ID=60737955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720483231.1U Expired - Fee Related CN206807017U (en) | 2017-05-04 | 2017-05-04 | A kind of distribution transformer three-phase load intelligent balance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820537A (en) * | 2020-12-31 | 2021-05-18 | 广东电网有限责任公司广州供电局 | Outlet device of power transformer balance winding |
-
2017
- 2017-05-04 CN CN201720483231.1U patent/CN206807017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820537A (en) * | 2020-12-31 | 2021-05-18 | 广东电网有限责任公司广州供电局 | Outlet device of power transformer balance winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |