CN202076106U - Automatic voltage-regulating transformer - Google Patents
Automatic voltage-regulating transformer Download PDFInfo
- Publication number
- CN202076106U CN202076106U CN2011201808968U CN201120180896U CN202076106U CN 202076106 U CN202076106 U CN 202076106U CN 2011201808968 U CN2011201808968 U CN 2011201808968U CN 201120180896 U CN201120180896 U CN 201120180896U CN 202076106 U CN202076106 U CN 202076106U
- Authority
- CN
- China
- Prior art keywords
- transformer
- voltage
- low pressure
- vacuum load
- permanent magnetism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to an automatic voltage-regulating transformer which comprises a transformer housing, wherein a transformer top cover is arranged at the upper part of the transformer housing, the transformer body is arranged in the transformer housing, a backing plate, a lower clamping piece, a transformer coil and an upper clamping piece are sequentially arranged on the transformer body from bottom to top, a high-voltage porcelain sleeve and a low-voltage wire outlet are arranged at the upper part of the transformer top cover, the automatic voltage-regulating transformer further comprises a body support, a voltage-regulating switch and an integrated monitoring controller, the body support is fixed on the side wall in the transformer housing, the voltage-regulating switch is fixed at the upper part of the body support and the integrated monitoring controller is connected with the voltage-regulating switch. The automatic voltage-regulating transformer can effectively solve the low-voltage problem which exists generally in users of a power distribution network and further realize open-phase, over-voltage, under-voltage and over-current protection functions; furthermore, the automatic voltage-regulating transformer can perform remote controllable operation, has the anti-electricity-stealing function and further realizes automatic control and power consumption monitoring and management in a desk area of the power distribution network.
Description
Technical field
The utility model relates to electricity consumption distribution field, is specifically related to a kind of automatic powerstat.
Background technology
Transformer is an active electric equipment, because the line voltage electricity capacity changes at any time, the once survey voltage fluctuation of its distribution transformer is very big, causes distribution transformer secondary side spread of voltage, thereby influences user's the electricity quality of using.The prior art relevant with the utility model, usually use the switching shunting switch to reach and change transformer input winding, thereby the transformation ratio of timely adjustment transformer, promptly change the number of turn that inserts the transformer primary side by diverter switch, the variation of the number of turn can make output voltage change, thereby reaches the purpose of adjusting and regulated output voltage.This switch is driven by motor usually, and motor rotates slower, easily produces electric arc when on-load voltage regulation, and long-term the use caused poor contact of contacts, and cold oil impurity increases, and insulation descends.Non-excitation pressure adjustment then has several drawbacks: the one, and need certain interruption duration to adjust, disturbed ordinary production, supplied electric weight less; The 2nd, it is restricted to adjust number of times, only can do stage or seasonal adjustment, can not change caused voltage fluctuation at electric weight peak valley every day and often adjust; The 3rd, often operate off circuit tap changer, seal is easily impaired to cause leakage of oil; The 4th, the situation that agricultural distribution transformer shunting switch is adjusted voluntarily often has, and very easily causes the incident of low-voltage customer overtension or damage electric equipment after main transformer changes the tap gear.Traditional tap changer generally is fixed on the transformer top cover, occurs poorly sealed or sealing ring is aging and cause oil seepage phenomena through regular meeting.
The utility model content
At the demand; the technical problem of solution of the present utility model is; a kind of automatic powerstat is provided; solved the ubiquitous low-voltage problem of power distribution network user; and have phase shortage, overvoltage, under-voltage a, overcurrent protection function; can also carry out the remote-controllable operation, and have anti-stealing electricity function, realize the automation control and the power monitoring management of distribution net platform region.
The technical scheme of automatic powerstat of the present utility model is as follows.
Automatic powerstat of the present utility model, comprise the transformer housing, described transformer housing top is provided with the transformer top cover, the transformer body is arranged in the described transformer housing, described transformer body is followed successively by backing plate from bottom to up, lower clamping piece, transformer coil, upper clamping piece, described transformer top cover top is provided with high voltage porcelain bushing and low pressure outlet, wherein, also comprise this body support frame, tap changer, the comprehensive monitoring controller, described body support frame is fixed on the sidewall of transformer housing inside, described tap changer is fixed on this body support frame top, and described comprehensive monitoring controller is connected with described tap changer.
Wherein, also comprise installation chassis, low pressure permanent magnetism vacuum load switch, described installation chassis is fixed on low pressure outlet, transformer top cover top, and described low-voltage vacuum load permanent-magnetic switching is fixedlyed connected with described installation chassis.
Wherein, described low pressure permanent magnetism vacuum load switch is installed in transformer inside.
Wherein, also comprise low pressure permanent magnetism vacuum load switch casing, described low pressure permanent magnetism vacuum load switch casing is positioned at described transformer top cover top, and described low pressure outlet and described low pressure permanent magnetism vacuum load switch all are arranged in the described low pressure permanent magnetism vacuum load switch casing.
Wherein, also comprise low-voltage current mutual inductor, described low-voltage current mutual inductor is arranged in the described low pressure permanent magnetism vacuum load switch casing.
Wherein, also comprise insulated support, described insulated support is connected with described body support frame, and described tap changer is connected with this body support frame by insulated support.
Wherein, described tap changer is the tap changer of two groups of parallel connections, and described two groups of tap changers are connected with insulated support respectively.
Wherein, described tap changer is the tap changer of two groups of series connection, and described two groups of tap changers are connected with insulated support respectively.
The beneficial effects of the utility model are as follows.
The utility model has effectively solved the ubiquitous low-voltage problem of power distribution network user; and have phase shortage, overvoltage, under-voltage a, overcurrent protection function; can also carry out the remote-controllable operation, and have anti-stealing electricity function, realize the automation control and the power monitoring management of distribution net platform region.
Description of drawings
Fig. 1 represents the front view of the utility model automatic powerstat;
Fig. 2 represents the vertical view of the utility model automatic powerstat;
Fig. 3 represents the end view of the utility model automatic powerstat;
Fig. 4 represents the pressure regulation fundamental diagram of the utility model automatic powerstat.
Among the figure, 1 tap changer; 2 body support frames; 3 insulated supports; 4 upper clamping pieces; 5 transformer coils; 6 lower clamping pieces; 7 backing plates; 8 transformer housings; 9 high voltage porcelain bushings; 10 low pressure outlets; 11 transformer top covers; 12 low-voltage current mutual inductors; 13 low pressure permanent magnetism vacuum load switch casings.
Embodiment
Below in conjunction with accompanying drawing automatic powerstat of the present utility model is further specified.
Shown in accompanying drawing 1,2, comprise transformer housing 8 according to a kind of automatic powerstat of the present utility model, transformer housing 8 tops are provided with transformer top cover 11, the transformer body is arranged in the described transformer housing 8, is followed successively by backing plate 7, lower clamping piece 6, transformer coil 5, upper clamping piece 4 in the transformer housing 8 from bottom to top.On transformer top cover 11, be installed with 9,4 low pressure outlets 10 of 3 high voltage porcelain bushings; Be connected with 3 low-voltage current mutual inductors 12 on the low pressure outlet 10 of transformer top cover 11 inboards, low-voltage current mutual inductor 12 is fixed on transformer top cover 11 inboards; In transformer top cover 11 low pressure outlets 10 low pressure permanent magnetism vacuum load switch casing 13 is set, low-voltage current mutual inductor 12, low pressure permanent magnetism vacuum load switch all can be contained in low pressure permanent magnetism vacuum load switch casing 13 the insides, and low pressure permanent magnetism vacuum load switch casing 13 also can be used as the auxiliary fuel tank that the buffering transformer oil overflows owing to heat expansion; Be full of transformer oil in the transformer, tap changer 1, transformer coil 5 all immerse in the transformer oil.Low pressure permanent magnetism vacuum load switch can also be installed in transformer inside.
This body support frame 2 is fixed on the sidewall of transformer housing 8 inside, and described tap changer 1 is fixed on this body support frame 2 tops.Also be provided with the emergency operation handle, under off-position, can manually adjust transformer capacity.By the comprehensive monitoring controller is installed, can realize the automatic control of transformer, the comprehensive monitoring controller is installed in the transformer outside, links to each other with tap changer 1 by cable, and the outside of comprehensive monitoring controller also is provided with the control casing.Also be provided with insulated support 3 on this body support frame 2 and be connected with described body support frame 2, described tap changer 1 is connected with this body support frame 1 by insulated support 3.
The comprehensive monitoring controller mainly by analog-to-digital conversion module, CPU module (CPU), turn down and press output loop, heighten and press output loop to form, current signal and low voltage voltage signal that low-voltage current mutual inductor 12 detects input to analog-to-digital conversion module, analog-to-digital conversion module inputs to CPU module (CPU) with the aanalogvoltage current signal, CPU module is compared preset voltage value (UH, UL) and actual voltage value (U0): if U0＞UH, then need voltage is turned down, CPU signals to trigger and turns down the pressure output loop; If U0＜UL then needs voltage is heightened, CPU signals to trigger and heightens the pressure output loop; If UL＜U0＜UH is then without pressure regulation.Equally, CPU module (CPU) compares computing with virtual voltage current value and preset voltage current protection value, sends out different to instruct to Executive Module and triggers corresponding output loop.
The output loop of Executive Module links to each other with low-voltage vacuum permanent magnetism on-load switch with tap changer respectively, when corresponding output loop triggers, the on/off switch state exchange is carried out in the corresponding switch motion that connects, and when converting, switch state signal feeds back to the comprehensive monitoring controller.The comprehensive monitoring controller carries remote communicating function, thereby realizes Long-distance Control and power information monitoring management.
Tap changer can have multiple compound mode (such as use in series or in parallel with each other or independent), as shown in Figure 3 be two groups the series connection tap changer 1 permanent magnet mechanism automatic Regulation switches, described two groups of tap changers 1 are connected with insulated support 3 respectively.The utility model adopts permanent magnet mechanism automatic Regulation switch, only needs two tap changers can realize the third gear voltage regulation result, makes magnitude of voltage remain on desirable level as far as possible, is a kind of solution of economy.Its operation principle is as shown in Figure 4: the high pressure winding of transformer (is example mutually with A) is divided into three sections of N1, N2, N3, K1, K2 are tap changer, K1, K2 form by permanent-magnet manipulating mechanism and dish type switch, the contact of K1 and K2 is connected in series, when the comprehensive monitoring controller is judged the need pressure regulation according to monitoring result, send pressure regulation instruct to K1 and (or) permanent magnet mechanism of K2, the permanent magnet mechanism action promotes the dish type switch motion and carries out the contact conversion, each section of high pressure winding sealed in energized circuit by different way, thereby realize high, normal, basic third gear pressure regulation.As shown in Figure 3, when K1-1 connects, when K2-1 connects, high pressure winding only N1 section enters energized circuit, Ua=UA*N0/N1 then, this moment, Ua was a maximum; When K1-2 connects, when K2-1 connects, high pressure winding N1 section, the series connection of N2 section enter energized circuit, Ua=UA*N0/ (N1+N2) then, this moment, Ua diminished; When K2-2 connected, high pressure winding N1 section, N2 section, N3 section were all connected and are entered energized circuit, Ua=UA*N0/ (N1+N2) then, and this moment, Ua was a minimum value.
The above only is a preferred implementation of the present utility model; should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. automatic powerstat, comprise the transformer housing, described transformer housing top is provided with the transformer top cover, the transformer body is arranged in the described transformer housing, described transformer body is followed successively by backing plate from bottom to up, lower clamping piece, transformer coil, upper clamping piece, described transformer top cover top is provided with high voltage porcelain bushing and low pressure outlet, it is characterized in that, also comprise this body support frame, tap changer, the comprehensive monitoring controller, described body support frame is fixed on the sidewall of transformer housing inside, described tap changer is fixed on this body support frame top, and described comprehensive monitoring controller is connected with described tap changer.
2. automatic powerstat according to claim 1, it is characterized in that, also comprise installation chassis, low pressure permanent magnetism vacuum load switch, described installation chassis is fixed on low pressure outlet, transformer top cover top, and described low-voltage vacuum load permanent-magnetic switching is fixedlyed connected with described installation chassis.
3. automatic powerstat according to claim 1 is characterized in that, described low pressure permanent magnetism vacuum load switch is installed in transformer inside.
4. automatic powerstat according to claim 2, it is characterized in that, also comprise low pressure permanent magnetism vacuum load switch casing, described low pressure permanent magnetism vacuum load switch casing is positioned at described transformer top cover top, and described low pressure outlet and described low pressure permanent magnetism vacuum load switch all are arranged in the described low pressure permanent magnetism vacuum load switch casing.
5. automatic powerstat according to claim 4 is characterized in that, also comprises low-voltage current mutual inductor, and described low-voltage current mutual inductor is arranged in the described low pressure permanent magnetism vacuum load switch casing.
6. automatic powerstat according to claim 5 is characterized in that, also comprises insulated support, and described insulated support is connected with described body support frame, and described tap changer is connected with this body support frame by insulated support.
7. automatic powerstat according to claim 6 is characterized in that, described tap changer is the tap changer of two groups of series connection, and described two groups of tap changers are connected with insulated support respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201808968U CN202076106U (en) | 2011-05-31 | 2011-05-31 | Automatic voltage-regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201808968U CN202076106U (en) | 2011-05-31 | 2011-05-31 | Automatic voltage-regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076106U true CN202076106U (en) | 2011-12-14 |
Family
ID=45114198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201808968U Expired - Fee Related CN202076106U (en) | 2011-05-31 | 2011-05-31 | Automatic voltage-regulating transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651273A (en) * | 2012-04-09 | 2012-08-29 | 中国电力科学研究院 | Arcless on-load volume regulation and voltage regulation distribution transformer |
| CN108282121A (en) * | 2018-01-22 | 2018-07-13 | 国网北京市电力公司 | Switching method and switching circuit, the electrical equipment of switching circuit |
| CN113659544A (en) * | 2021-08-12 | 2021-11-16 | 张聪 | Voltage transformation power saving system |
-
2011
- 2011-05-31 CN CN2011201808968U patent/CN202076106U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651273A (en) * | 2012-04-09 | 2012-08-29 | 中国电力科学研究院 | Arcless on-load volume regulation and voltage regulation distribution transformer |
| CN102651273B (en) * | 2012-04-09 | 2015-04-01 | 中国电力科学研究院 | Arcless on-load volume regulation and voltage regulation distribution transformer |
| CN108282121A (en) * | 2018-01-22 | 2018-07-13 | 国网北京市电力公司 | Switching method and switching circuit, the electrical equipment of switching circuit |
| CN113659544A (en) * | 2021-08-12 | 2021-11-16 | 张聪 | Voltage transformation power saving system |
| CN113659544B (en) * | 2021-08-12 | 2023-09-26 | 浙江勇圣智能科技有限公司 | Variable-voltage power-saving system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105632727B (en) | Transformer on-load voltage regulation tap switch and on-load voltage regulation transformer | |
| CN103337867B (en) | A kind of low-voltage load is in Linear Phasing Device and phase modulation method thereof | |
| CN202084408U (en) | Distribution transformer capable of automatically regulating capacitance and voltage | |
| CN203813439U (en) | Automatic voltage regulator of distribution line | |
| CN202076106U (en) | Automatic voltage-regulating transformer | |
| CN101697310A (en) | Winding connection structure for double-active-part on-load-tap-changing auto-transformer | |
| CN204884830U (en) | Sealed on -load voltage regulation power transformer | |
| CN205230925U (en) | Transformer substation is with controlling vacuum circuit breaker mutually | |
| CN102013815A (en) | High-voltage DC converter transformer and connection method for on-load tap-changer thereof | |
| CN103986159B (en) | There is the mounting circuit of THE UPFC in multi transformer station | |
| CN202110930U (en) | Distribution transformer capable of automatically regulating capacity and voltage | |
| CN102751140B (en) | Multifunctional switch apparatus with automatic reclosing function | |
| CN201466733U (en) | Full-range on-load tap changing reactive power compensation device | |
| CN201562573U (en) | Self-coupling low-voltage dual-voltage on-load voltage-regulating transformer | |
| CN214043387U (en) | Three-phase double-voltage combined type oil-immersed step-up transformer easy to migrate | |
| CN203278248U (en) | Intelligent reactive compensation system | |
| CN203504005U (en) | Intelligent voltage-adjustable power transformation and distribution device | |
| CN202084406U (en) | Transformer capable of automatically regulating capacity | |
| CN202196655U (en) | On-load voltage regulation amorphous alloy transformer | |
| CN202034209U (en) | Three-phase oil-immersed type load tap changing distribution transformer | |
| CN206332455U (en) | A kind of pole voltage power-less comprehensive compensating device towards urban power distribution network | |
| CN205248088U (en) | Automatic it holds powerstat structure to have to carry to transfer | |
| CN203774161U (en) | High-voltage load switch device | |
| CN213402211U (en) | Reactive compensation drawer module for open circuit protection | |
| CN203135424U (en) | Demarcation load switch enabling transformation ratio switches |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG ELECTRICIAN ELECTRIC GROUP BORUILAI INTEL Free format text: FORMER OWNER: BEIJING BRILE INTELLIGENT TECHNOLOGY CO., LTD. Effective date: 20150209 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100094 HAIDIAN, BEIJING TO: 250000 JINAN, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150209 Address after: 250000, Shandong, Ji'nan hi tech Zone, Sun Village, No. 35, south of road 2, West Industrial Park Patentee after: Shandong electric group brile Intelligent Technology Co Ltd Address before: 100094, new building, building 3, 7 Hui Feng Road, Beijing, Haidian District, 313 Patentee before: Beijing Boruilai Intelligent Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20200531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |