CN202736815U - Intelligent disconnecting switch with electronic transformer - Google Patents
Intelligent disconnecting switch with electronic transformer Download PDFInfo
- Publication number
- CN202736815U CN202736815U CN 201220399262 CN201220399262U CN202736815U CN 202736815 U CN202736815 U CN 202736815U CN 201220399262 CN201220399262 CN 201220399262 CN 201220399262 U CN201220399262 U CN 201220399262U CN 202736815 U CN202736815 U CN 202736815U
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- CN
- China
- Prior art keywords
- electronic
- disconnecting switch
- isolating switch
- transformer
- voltage transformer
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- 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 - Lifetime
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Abstract
The utility model provides an intelligent disconnecting switch with an electronic transformer. The intelligent disconnecting switch with the electronic transformer comprises a disconnecting switch, an electronic voltage transformer, an electronic current transformer and a disconnecting switch base frame, wherein the electronic voltage transformer and the electronic current transformer are arranged on the disconnecting switch base frame. The disconnecting switch comprises a movable end and a fixed end, wherein the movable end is fixed on the disconnecting switch base frame through a supporting insulator. The electronic current transformer and the movable end of the disconnecting switch are connected through flexible connection in an electrical mode. The fixed end of the disconnecting switch is fixed on the top of the electronic voltage transformer. A knob insulator arranged at the fixed end of the disconnecting switch is replaced by the electronic voltage transformer, and the electronic current transformer is located at the movable end of the disconnecting switch and is connected with the disconnecting switch through flexible connection. The intelligent disconnecting switch with the electronic transformer is simple in structure, stable reliable in performance and low in cost, saves land resource of electric power construction.
Description
Technical field:
The utility model relates to intelligent device for measuring and isolating switch field, relates in particular to a kind of Intelligent isolation switch of charged minor instrument transformer.
Background technology:
Digital transformer substation is to be made up by intelligent primary equipment (electronic mutual inductor, intelligent switch etc.) and networked secondary device layering (process layer, wall, station level), be based upon on the IEC61850 communication specification basis, can realize the modernized transformer station of the information sharing of intelligent electric equipment room and interoperability in the transformer station.Digital transformer substation is to use IEC61850 to carry out modeling and the transformer station that communicates by letter, and digital transformer substation is embodied in the digitlization of process layer devices, the networking of whole station internal information, and switchgear is realized intelligent.
The combination of existing Single Electron formula current transformer, electronic type voltage transformer and isolating switch, its complex structure, stability land resource poor, power construction are wasted serious, and cost is higher.The development of electronic mutual inductor and Intelligent isolation switch assembly can be accelerated the networking of fast intelligent and the secondary device of primary equipment; Improve the automation of power system operation management; The land resource that takies of conservation of power construction; For the friendly type of nation-building environmental resource, highly reliable strong intelligent grid provide powerful guarantee.
The utility model content:
The purpose of this utility model is to provide a kind of Intelligent isolation switch of charged minor instrument transformer, with the fast intelligent of acceleration primary equipment and the networking of secondary device; Improve the automation of power system operation management; The land resource that takies of conservation of power construction.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of Intelligent isolation switch of charged minor instrument transformer comprises isolating switch, electronic type voltage transformer, electronic current mutual inductor and isolating switch underframe; Electronic type voltage transformer and electronic current mutual inductor are arranged on the isolating switch underframe; Isolating switch comprises moved end and quiet end; The moved end is fixed on the isolating switch underframe by post insulator; Be electrically connected by being flexible coupling between the moved end of electronic current mutual inductor and isolating switch; The quiet end of isolating switch is fixed in the top of electronic type voltage transformer.
The utility model further improves and is: electronic type voltage transformer comprises composite insulator and is arranged at the column support type capacitor of composite insulator inside.
The utility model further improves and is: the quiet end of isolating switch is fixed in the top of composite insulator, and the column support type capacitor connects the fixed contact of quiet end by the double layer screen line.
The utility model further improves and is: the conduction disconnecting link is installed on the moved end.
The utility model further improves and is: described conduction disconnecting link is folding-jib conduction disconnecting link.
With respect to prior art, the utlity model has following advantage: the utility model replaces the porcelain knob of the quiet end of isolating switch with electronic type voltage transformer, electronic current mutual inductor is positioned at the isolating switch moved end and connects by being flexible coupling with isolating switch, it is simple in structure, stable and reliable for performance, saved the land resource of power construction, cost is than Single Electron formula current transformer, the combination of electronic type voltage transformer and isolating switch has had obvious reduction, realization detects the various parameters of electric power of isolating switch in the electrical network and monitors, and can import various parameters into host computer by optical fiber, in order to system is in time dispatched, and Intelligent isolation switch operated accordingly, guarantee power system security, realized electronic current mutual inductor, electronic type voltage transformer, the desirable combination of isolating switch.
Description of drawings:
Fig. 1 is the utility model structural representation;
Wherein: 1, electronic type voltage transformer; 2, electronic current mutual inductor; 3, isolating switch; 4, be flexible coupling; 5, isolating switch underframe; 6, column support type capacitor; 7, double layer screen line; 8, post insulator; 30, conduction disconnecting link; 31, moved end; 32, quiet end; 320, fixed contact.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
See also shown in Figure 1ly, the Intelligent isolation switch of a kind of charged minor instrument transformer of the utility model comprises isolating switch 3, electronic type voltage transformer 1, electronic current mutual inductor 2 and isolating switch underframe 5; Electronic type voltage transformer 1 and electronic current mutual inductor 2 are arranged on the isolating switch underframe 5; Isolating switch 3 comprises moved end 31 and quiet end 32; Moved end 31 is fixed on the isolating switch underframe 5 by post insulator 8; Conduction disconnecting link 30 is installed on the moved end 31, and conduction disconnecting link 30 is folding-jib conduction disconnecting link.
4 be electrically connected by being flexible coupling between the moved end 31 of electronic current mutual inductor 2 and isolating switch 3.The vibration that when 4 the use of being flexible coupling can effectively reduce isolating switch 3 action electronic current mutual inductor is produced; Be flexible coupling and 4 use copper coins and the flat flexible cord of tin to make, effectively the transmission current signal.
Electronic type voltage transformer 1 comprises the composite insulator that is ductile and is arranged at the column support type capacitor 6 of composite insulator inside.The quiet end 32 of isolating switch 3 is fixed in the top of the composite insulator of electronic type voltage transformer 1, and column support type capacitor 6 connects the fixed contact 320 of quiet end 32 by double layer screen line 7.Conduction disconnecting link 30 is rotated to make and disconnects between moved end 31 and the quiet end 32 or electrical connection.
See also shown in Figure 1ly, the Intelligent isolation switch of a kind of charged minor instrument transformer of the utility model replaces the porcelain knob of isolating switch 3 quiet ends to carry out the measurement of voltage signal with electronics voltage transformer 1.For avoiding isolating switch 3 actions on the impact of electronic type voltage transformer 1, electronic type voltage transformer 1 selects the composite insulator of the certain ductility that has as its insulating supporting, the capacitor of electronic type voltage transformer inside is selected column support type capacitor 6, and be electrically connected and signal transmission by double layer screen line 7, the mechanical oscillation and the signal that when having avoided isolating switch 3 action electronic type voltage transformer 1 have been produced disturb.
When system moves, bus one termination enters electronic current mutual inductor 2, other end access isolating switch 3 quiet ends form the loop, its principle is equivalent to electronic current mutual inductor 2 and is series in the bus, electronic type voltage transformer 1 is parallel in the bus, current signal detects and is transferred to metering device by electronic current mutual inductor 2, and voltage signal detects and be transferred to metering device by the electronic type voltage signal.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by claims of submitting to.
Claims (5)
1. the Intelligent isolation switch of a charged minor instrument transformer is characterized in that: comprise isolating switch (3), electronic type voltage transformer (1), electronic current mutual inductor (2) and isolating switch underframe (5); Electronic type voltage transformer (1) and electronic current mutual inductor (2) are arranged on the isolating switch underframe (5); Isolating switch (3) comprises moved end (31) and quiet end (32); Moved end (31) is fixed on the isolating switch underframe (5) by post insulator (8); Be electrically connected by be flexible coupling (4) between the moved end (31) of electronic current mutual inductor (2) and isolating switch (3); The quiet end (32) of isolating switch (3) is fixed in the top of electronic type voltage transformer (1).
2. the Intelligent isolation switch of a kind of charged minor instrument transformer according to claim 1 is characterized in that: electronic type voltage transformer (1) comprises composite insulator and is arranged at the column support type capacitor (6) of composite insulator inside.
3. the Intelligent isolation switch of a kind of charged minor instrument transformer according to claim 2, it is characterized in that: the quiet end (32) of isolating switch (3) is fixed in the top of composite insulator, and column support type capacitor (6) connects the fixed contact (320) of quiet end (32) by double layer screen line (7).
4. the Intelligent isolation switch of each described a kind of charged minor instrument transformer in 3 according to claim 1 is characterized in that: conduction disconnecting link (30) is installed on moved end (31).
5. the Intelligent isolation switch of a kind of charged minor instrument transformer according to claim 4 is characterized in that: described conduction disconnecting link (30) is folding-jib conduction disconnecting link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220399262 CN202736815U (en) | 2012-08-13 | 2012-08-13 | Intelligent disconnecting switch with electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220399262 CN202736815U (en) | 2012-08-13 | 2012-08-13 | Intelligent disconnecting switch with electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736815U true CN202736815U (en) | 2013-02-13 |
Family
ID=47662488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220399262 Expired - Lifetime CN202736815U (en) | 2012-08-13 | 2012-08-13 | Intelligent disconnecting switch with electronic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487679A (en) * | 2013-09-09 | 2014-01-01 | 国家电网公司 | AIS electronic transformer testing system and testing method thereof |
| CN104459300A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Strut type combination electronic transformer combined with disconnecting switch |
| CN105513874A (en) * | 2015-12-07 | 2016-04-20 | 中国电力科学研究院 | Isolation circuit breaker integrated with voltage transformer |
-
2012
- 2012-08-13 CN CN 201220399262 patent/CN202736815U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487679A (en) * | 2013-09-09 | 2014-01-01 | 国家电网公司 | AIS electronic transformer testing system and testing method thereof |
| CN103487679B (en) * | 2013-09-09 | 2015-08-05 | 国家电网公司 | A kind of AIS electric mutual inductor test macro and method thereof |
| CN104459300A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Strut type combination electronic transformer combined with disconnecting switch |
| CN105513874A (en) * | 2015-12-07 | 2016-04-20 | 中国电力科学研究院 | Isolation circuit breaker integrated with voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term |