CN201956693U - High-voltage reactive power compensation device - Google Patents
High-voltage reactive power compensation device Download PDFInfo
- Publication number
- CN201956693U CN201956693U CN2011200245049U CN201120024504U CN201956693U CN 201956693 U CN201956693 U CN 201956693U CN 2011200245049 U CN2011200245049 U CN 2011200245049U CN 201120024504 U CN201120024504 U CN 201120024504U CN 201956693 U CN201956693 U CN 201956693U
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- Prior art keywords
- voltage
- transformer
- automatic controller
- current transformer
- circuit transformer
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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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Abstract
The utility model discloses a high-voltage reactive power compensation device, which comprises a first circuit transformer (1), a fuse protector (2), a lightning arrester (3), a second circuit transformer (4), a voltage transformer (5), a switching element (6), an automatic controller (7) and a capacitor (9). The first circuit transformer (1) is connected to a high-voltage transmission line, the automatic controller (7) is connected with the second circuit transformer (4), the voltage transformer (5) and the switching element (6), and the first circuit transformer (1) is a wireless circuit transformer. By means of the wireless circuit transformer, a wireless radio frequency communication mode is adopted to transmit data to the automatic controller, and high-voltage heavy current is completely separated from a secondary equipment, so that damages to the automatic controller caused by high voltage and heavy current due to descending insulation and ground lightning can be avoided, and ground fault of circuits can be effectively avoided.
Description
Technical field
The utility model relates to the high-pressure reactive compensation technical field.
Background technology
In the electric power system, rural power grids adopt 10KV transmission of electricity, distribution.Radius of electricity supply is long, and load point is disperseed, and institute's on-load mostly is inductive load, and idle requirement is big.If required idlely all obtain from power supply point will increase the requirement to the conveying capacity of transmission line, increased line loss simultaneously, therefore need on the line compensating reactive power automatically, satisfy the idle requirement of load, reduce line loss.
High Voltage and Passive Automatic Compensation Device, existing high pressure auto-reactive compensation is when measuring and calculating power, and current acquisition all is to adopt open-close type current transformer, needs secondary line and links to each other with control device.Because open-air natural conditions are comparatively abominable, strong wind, sleet, thick fog, thunder and lightning all can impact the open-close type instrument transformer, and its insulation level is descended, may cause puncture or creepage, control device be caused damage, until causing high-tension line earth fault along secondary cable.
The utility model content
In view of this, the utility model provides a kind of high-pressure reactive compensation device, descends to avoid insulating and the thunder and lightning thunderbolt causes high voltage, electric current is to the infringement of automatic controller greatly.
For achieving the above object, the utility model provides following technical scheme:
A kind of high-pressure reactive compensation device, comprise first current transformer, fuse, lightning arrester, second current transformer, voltage transformer, switching device, automatic controller and capacitor, described first current transformer is connected on the ultra-high-tension power transmission line, automatic controller is connected with switching device with described second current transformer, voltage transformer respectively, and described first current transformer is the wireless type current transformer.
Preferably, in above-mentioned high-pressure reactive compensation device, the power supply of described first current transformer adopts the CT power taking to add the structure of back-up source.
Foregoing is the intrinsic form of patent document, so should keep.
The utility model is by adopting the wireless type current transformer, utilize the communication modes of less radio-frequency to send data to automatic controller, high-voltage large current and secondary device are isolated fully, having avoided insulating, decline and thunder and lightning thunderbolt cause high voltage, electric current is effectively avoided the earth fault of circuit to the infringement of automatic controller greatly.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The circuit diagram of the high-pressure reactive compensation device that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of high-pressure reactive compensation device, descend to avoid insulating and the thunder and lightning thunderbolt causes high voltage, electric current is to the infringement of automatic controller greatly.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the circuit diagram of the high-pressure reactive compensation device that Fig. 1 provides for the utility model embodiment.
The high-pressure reactive compensation device that the utility model provides comprises current transformer 1, fuse 2, lightning arrester 3, current transformer 4, capacitor 9, automatic controller 7, voltage transformer 5 and switching device 6.Current transformer 1 is connected on the ultra-high-tension power transmission line, sends data by wireless mode to automatic controller 7; Automatic controller 7 is connected with current transformer 4, voltage transformer 5 and switching device 6 respectively; Current transformer 4 is used for the protection of capacitor, and voltage transformer 5 provides voltage measuring value and working power.
Of the present utility model focusing on, current transformer 1 is the wireless type current transformer.
The utility model is by adopting the wireless type current transformer, utilize the communication modes of less radio-frequency to send data to automatic controller, high-voltage large current and secondary device are isolated fully, having avoided insulating, decline and thunder and lightning thunderbolt cause high voltage, electric current is effectively avoided the earth fault of circuit to the infringement of automatic controller greatly.
The radio current transformer adopts extraordinary permeability magnetic material to be equipped with the anti-corrosive technology design, and mechanism is simply easy for installation.Its certainty of measurement can guarantee at 0.5 grade, has guaranteed the required precision that the capacitor throwing is moved back.Communication modes adopts local wireless frequency hopping and automatic controller to carry out communication, and antijamming capability is strong.Power supply adopts CT (current transformer) power taking to add the mode of back-up source, guarantees that its useful life is more than 10 years.
CT is from power taking: when line load during greater than 5A, and CT power taking, long service life.
Communication mode is reliable: the band short-distance wireless communication, antijamming capability is strong.
Charged loading and unloading: card wire structure, use hypanthium and standard insulating bar, install and need not power failure.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. high-pressure reactive compensation device, comprise first current transformer (1), fuse (2), lightning arrester (3), second current transformer (4), voltage transformer (5), switching device (6), automatic controller (7) and capacitor (9), described first current transformer (1) is connected on the ultra-high-tension power transmission line, automatic controller (7) is connected with described second current transformer (4), voltage transformer (5) and switching device (6) respectively, it is characterized in that described first current transformer (1) is the wireless type current transformer.
2. high-pressure reactive compensation device according to claim 1 is characterized in that, the power supply of described first current transformer (1) adopts the CT power taking to add the structure of back-up source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200245049U CN201956693U (en) | 2011-01-24 | 2011-01-24 | High-voltage reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200245049U CN201956693U (en) | 2011-01-24 | 2011-01-24 | High-voltage reactive power compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956693U true CN201956693U (en) | 2011-08-31 |
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ID=44500795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200245049U Expired - Fee Related CN201956693U (en) | 2011-01-24 | 2011-01-24 | High-voltage reactive power compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692547A (en) * | 2012-06-19 | 2012-09-26 | 中网电气有限公司 | Intelligent online monitoring system of reactive compensation device |
| CN102780266A (en) * | 2012-06-19 | 2012-11-14 | 中网电气有限公司 | Intelligent data preposed processing module |
| CN105158638A (en) * | 2015-09-02 | 2015-12-16 | 河北省电力建设调整试验所 | Fiber current information transformer device applied to 10-KV distribution network |
-
2011
- 2011-01-24 CN CN2011200245049U patent/CN201956693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692547A (en) * | 2012-06-19 | 2012-09-26 | 中网电气有限公司 | Intelligent online monitoring system of reactive compensation device |
| CN102780266A (en) * | 2012-06-19 | 2012-11-14 | 中网电气有限公司 | Intelligent data preposed processing module |
| CN105158638A (en) * | 2015-09-02 | 2015-12-16 | 河北省电力建设调整试验所 | Fiber current information transformer device applied to 10-KV distribution network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20120124 |