CN205017010U - Low pressure circuit terminal voltage adjusting device - Google Patents
Low pressure circuit terminal voltage adjusting device Download PDFInfo
- Publication number
- CN205017010U CN205017010U CN201520538669.6U CN201520538669U CN205017010U CN 205017010 U CN205017010 U CN 205017010U CN 201520538669 U CN201520538669 U CN 201520538669U CN 205017010 U CN205017010 U CN 205017010U
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- China
- Prior art keywords
- voltage
- network line
- controller
- contactor
- adjusting device
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- Expired - Fee Related
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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
- Y02E40/30—Reactive power compensation
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- Control Of Electrical Variables (AREA)
Abstract
Low pressure circuit terminal voltage adjusting device, its characterized in that: including controller, voltage boost correction transformer, ac contactor, current transformer group and intelligent condenser, wherein: the voltage boost correction transformer with the controller is connected, voltage boost correction transformer and electric network line connect, current transformer group with the controller is connected, current transformer group and electric network line connect, ac contactor with the controller is connected, ac contactor and electric network line connect, intelligence condenser and electric network line connect, compare with current technical scheme, the utility model discloses scheme engineering cost is low, need not extend the 10kV circuit, need not increase the transformer newly, and it increases this device at suitable node only to need, can play the boosting to the back terminal voltage, guarantees user's ability normal use, and economy is convenient, simultaneously the utility model discloses possessing cell -phone communication mode, can transmitting this device state to the backstage terminal, user's accessible cell -phone or computer remote query realize convenient management.
Description
Technical field
The utility model relates to a kind of power equipment, particularly relates to a kind of low-voltage circuit terminal voltage adjusting device.
Background technology
In Rural Power Grid Construction process, because user is sparsely populated, supply line of platform district is very long, causes terminal voltage pressure drop very large, causes the situation that user's electric equipment band does not get up.Address this problem at present and mainly contain following 2 kinds of schemes: a kind of Shi Jiangtai district transformer output voltage is heightened, this scheme is most economical, but this scheme can cause the voltage superelevation of head end, affects the rate of qualified voltage of head end, sometimes this adjustment, even loses more than gain; The second be circuit is transformed, adjust position resolver or increase transformer.This scheme protection is best, but engineering cost is high, expend very large manpower and materials.Above two schemes all has drawback.
In view of this, the present inventor studies and devises a kind of low-voltage circuit terminal voltage adjusting device, and this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of low-voltage circuit terminal voltage adjusting device, and scheme engineering cost is low, and can solve the problem that low-voltage distribution district terminal voltage is too low, the utility model adopts following technical scheme.
Low-voltage circuit terminal voltage adjusting device, it is characterized in that: comprise controller, boost in voltage compensator transformer, A.C. contactor, current transformer group and Intelligent capacitor, wherein: described boost in voltage compensator transformer is connected with described controller, described boost in voltage compensator transformer is connected with power network line; Described current transformer group is connected with described controller, and described current transformer group is connected with power network line; Described A.C. contactor is connected with described controller, and described A.C. contactor is connected with power network line; Described Intelligent capacitor is connected with power network line; Described controller is integrated with singlechip chip, mobile communication module and 3 inputs be connected with described singlechip chip and 2 outputs.
As the optimal way of embodiment, 3 inputs of described controller comprise input voltage sampling end, output voltage sampling end and load current sampling end.
As the optimal way of embodiment, 2 outputs of described controller comprise boost in voltage compensator transformer control end and A.C. contactor control end.
As the optimal way of embodiment, described controller is connected with power network line input by described input voltage sampling end, described controller is connected with power network line output by described output voltage sampling end, and described controller is connected with described current transformer group by described load current sampling end.
As the optimal way of embodiment, described controller is connected with described boost in voltage compensator transformer by described boost in voltage compensator transformer control end, and described controller is connected with described A.C. contactor by described A.C. contactor control end.
As the optimal way of embodiment, described current transformer group comprises several current transformers, and described current transformer is arranged on power network line.
Compare with existing technical scheme, the utility model scheme engineering cost is low, need not extend 10kV circuit, need not transformer be newly increased, only need increase this device at suitable node, boosting can be played to rear terminal voltage, guarantee that user can normally use, economical convenient; The utility model possesses mobile communication mode simultaneously, this unit state can be transferred to background terminal, and user, by mobile phone or computer remote inquiry, realizes convenient management.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, low-voltage circuit terminal voltage adjusting device, comprise controller 1, boost in voltage compensator transformer 2, A.C. contactor 3, current transformer group 4 and Intelligent capacitor 5, wherein: described boost in voltage compensator transformer 2 is connected with described controller 1, described boost in voltage compensator transformer 2 is connected with power network line 6; Described current transformer group 4 is connected with described controller 1, and described current transformer group 4 is connected with power network line 6; Described A.C. contactor 3 is connected with described controller 1, and described A.C. contactor 3 is connected with power network line 6; Described Intelligent capacitor 5 is connected with power network line 6; Described controller 1 is integrated with singlechip chip, mobile communication module and 3 inputs be connected with described singlechip chip and 2 outputs.
As the optimal way of embodiment, 3 inputs of described controller 1 comprise input voltage sampling end, output voltage sampling end and load current sampling end.
As the optimal way of embodiment, 2 outputs of described controller 1 comprise boost in voltage compensator transformer control end and A.C. contactor control end.
As the optimal way of embodiment, described controller 1 is connected with power network line 6 input by described input voltage sampling end, described controller 1 is connected with power network line 6 output by described output voltage sampling end, and described controller 1 is connected with described current transformer group 4 by described load current sampling end.
As the optimal way of embodiment, described controller 1 is connected with described boost in voltage compensator transformer 2 by described boost in voltage compensator transformer control end, and described controller 1 is connected with described A.C. contactor 3 by described A.C. contactor control end.
As the optimal way of embodiment, described current transformer group 4 comprises several current transformers, and described current transformer is arranged on power network line 6.
In this embodiment, the controller 1 in the utility model is the core of this device, and the singlechip chip of employing has measures the function such as each electrical quantity function, compensation voltage control, capacitor control, telecommunication, protective device control, self-inspection.When power network line incoming line voltage U i is lower than lower voltage limit UL, controller 1 sends booste operation instruction, the normal opening and closing of A.C. contactor 3 is closed, normally closed disconnection, boost in voltage compensator transformer 2 produces suitable bucking voltage Δ U, be added in electrical network, i.e. voltage regulating device Uo=Ui+ Δ U, thus lifting terminal voltage; When incoming line voltage U i is higher than lower voltage limit UL, controller 1 sends bypass instruction, and A.C. contactor 3 often cut-offs out, normally closed closed, and namely boost in voltage compensator transformer 2 is bypassed, and extends the life-span of boosting compensator transformer 2.In addition, device further provided with Intelligent capacitor 5, for idle auto-compensation, realizes the in-situ balancing of reactive power.
Above the low-voltage circuit terminal voltage adjusting device that the utility model embodiment provides is described in detail, for one of ordinary skill in the art, according to the thinking of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. low-voltage circuit terminal voltage adjusting device, it is characterized in that: comprise controller, boost in voltage compensator transformer, A.C. contactor, current transformer group and Intelligent capacitor, wherein: described boost in voltage compensator transformer is connected with described controller, described boost in voltage compensator transformer is connected with power network line; Described current transformer group is connected with described controller, and described current transformer group is connected with power network line; Described A.C. contactor is connected with described controller, and described A.C. contactor is connected with power network line; Described Intelligent capacitor is connected with power network line;
Described controller is integrated with singlechip chip, mobile communication module and 3 inputs be connected with described singlechip chip and 2 outputs.
2. low-voltage circuit terminal voltage adjusting device according to claim 1, is characterized in that: 3 inputs of described controller comprise input voltage sampling end, output voltage sampling end and load current sampling end.
3. low-voltage circuit terminal voltage adjusting device according to claim 1, is characterized in that: 2 outputs of described controller comprise boost in voltage compensator transformer control end and A.C. contactor control end.
4. low-voltage circuit terminal voltage adjusting device according to claim 2, it is characterized in that: described controller is connected with power network line input by described input voltage sampling end, described controller is connected with power network line output by described output voltage sampling end, and described controller is connected with described current transformer group by described load current sampling end.
5. low-voltage circuit terminal voltage adjusting device according to claim 3, it is characterized in that: described controller is connected with described boost in voltage compensator transformer by described boost in voltage compensator transformer control end, described controller is connected with described A.C. contactor by described A.C. contactor control end.
6. low-voltage circuit terminal voltage adjusting device according to claim 1, is characterized in that: described current transformer group comprises several current transformers, and described current transformer is arranged on power network line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538669.6U CN205017010U (en) | 2015-07-23 | 2015-07-23 | Low pressure circuit terminal voltage adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538669.6U CN205017010U (en) | 2015-07-23 | 2015-07-23 | Low pressure circuit terminal voltage adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017010U true CN205017010U (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520538669.6U Expired - Fee Related CN205017010U (en) | 2015-07-23 | 2015-07-23 | Low pressure circuit terminal voltage adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021938A (en) * | 2018-11-12 | 2019-07-16 | 国家电网有限公司 | A kind of low-voltage circuit adjusts and compensation device and its compensation method |
-
2015
- 2015-07-23 CN CN201520538669.6U patent/CN205017010U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021938A (en) * | 2018-11-12 | 2019-07-16 | 国家电网有限公司 | A kind of low-voltage circuit adjusts and compensation device and its compensation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |