CN102938543A - Intelligent all-insulating full-closing inflatable ring main unit - Google Patents
Intelligent all-insulating full-closing inflatable ring main unit Download PDFInfo
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- CN102938543A CN102938543A CN 201210431647 CN201210431647A CN102938543A CN 102938543 A CN102938543 A CN 102938543A CN 201210431647 CN201210431647 CN 201210431647 CN 201210431647 A CN201210431647 A CN 201210431647A CN 102938543 A CN102938543 A CN 102938543A
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- intelligent
- main unit
- fuse
- fixed contact
- breaker
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Abstract
An intelligent all-insulating full-closing inflatable ring main unit mainly consists of a main loop and an intelligent control loop. A wire inlet cable head (1) is connected to a fixed contact of a grounded knife (2), a moving contact of the grounded knife (2) is connected to a fixed contact of a vacuum breaker (4), a moving contact of the vacuum breaker (4) is connected to a fixed contact of an isolating switch (5), a moving contact of the isolating switch (5) is connected to a wire inlet seat of a fuse (6), a wire-out end of the fuse (6) is connected to a wire-out cable head (7), the wire-out cable head (7) is connected to a main bus (9), and the main loop is formed. Components of the main loop are fixedly installed in an inflating box (10) which is filled with gas SF6. A voltage mutual inductor (3) is connected to the main loop in parallel, a current mutual inductor (8) is sleeved on the main bus (9), secondary lines of the voltage mutual inductor (3) and the current mutual inductor (8) are connected to a data input end of a microcomputer comprehensive protector (11) respectively, a control output end of the microcomputer comprehensive protector (11) is connected to an electric control end of the vacuum breaker (4) and the intelligent control loop is formed.
Description
One, technical field
The present invention relates to the 10kV/24kV electrical power trans mission/distribution system, the middle pressure ring net power distribution cabinet in the ring network power supply field, but be the totally-enclosed gas-filled type ring main unit of new generation of intelligent all insulation with multiple unit integrated combination.
Two, background technology
Mostly adopt conventional fixed switching cabinet in the known middle pressure gas-filling cabinet at present, utilize the good insulation property of SF6 gas, adopt modular construction, can be spliced into various Main Wire Connection Scheme, the isostructural gas-filled type ring main unit of single box and common box type is arranged, but do not possess all insulation, the totally-enclosed function of multiple-pole switch element in the intellectuality of control loop and the major loop.
Three, summary of the invention
Purpose of the present invention: provide a kind of intelligent all insulation totally-enclosed gas-filled type ring main unit, possess all insulation, the totally-enclosed function of multiple-pole switch element in the intellectuality of control loop and the major loop.
For finishing above-mentioned task, the solution that the technology of the present invention is taked is: the totally-enclosed gas-filled type ring main unit of a kind of intelligent all insulation, it is characterized in that: it is by inlet wire cable end (1), earthing (2), voltage transformer (3), vacuum circuit-breaker (4), isolating switch (5), fuse (6), outlet cable end (7), main bus bar (9), current transformer (8), aeration tank (10), computer integrated protection devices (11) forms, inlet wire cable end (1) is connected on earthing (2) fixed contact, earthing (2) moving contact is connected with the fixed contact of vacuum circuit-breaker (4), vacuum circuit-breaker (4) moving contact is connected on isolating switch (5) fixed contact, isolating switch (5) moving contact is connected with fuse (6) inlet wire seat, fuse (6) leading-out terminal is connected with outlet cable end (7), outlet cable end (7) is connected on the main bus bar (9), consist of the major loop of the totally-enclosed gas-filled type ring main unit of intelligent all insulation, all major loop elements all are fixedly mounted on aeration tank (10) the inside that is filled with SF6 gas; Voltage transformer (3) is connected in parallel in the major loop; current transformer (8) is set on the main bus bar (9); the secondary line of voltage transformer (3) summation current transformer (8) is connected with the data input pin of computer integrated protection devices (11) respectively; the control output end of computer integrated protection devices (11) is connected with the electronic control end of vacuum circuit-breaker (4), consists of the Based Intelligent Control loop of the totally-enclosed gas-filled type ring main unit of all insulation.
The invention has the beneficial effects as follows: dwindle the gas-filling cabinet volume, economical with materials reduces the intermediate distribution system maintenance cost, increases the electric reliability of power distribution cabinet and safety durable, improves the useful life of medium-voltage distribution cabinet main circuit component.
Four, description of drawings
Fig. 1 is the totally-enclosed gas-filled type ring main unit of the intelligent all insulation structural system figure of the present embodiment.
Five, embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is further described.
As shown in Figure 1: the totally-enclosed gas-filled type ring main unit of a kind of intelligent all insulation, it is by inlet wire cable end (1), earthing (2), voltage transformer (3), vacuum circuit-breaker (4), isolating switch (5), fuse (6), outlet cable end (7), main bus bar (9), current transformer (8), aeration tank (10), computer integrated protection devices (11) forms, inlet wire cable end (1) is connected on earthing (2) fixed contact, earthing (2) moving contact is connected with the fixed contact of vacuum circuit-breaker (4), vacuum circuit-breaker (4) moving contact is connected on isolating switch (5) fixed contact, isolating switch (5) moving contact is connected with fuse (6) inlet wire seat, fuse (6) leading-out terminal is connected with outlet cable end (7), outlet cable end (7) is connected on the main bus bar (9), consist of the major loop of the totally-enclosed gas-filled type ring main unit of intelligent all insulation, all major loop elements all are fixedly mounted on aeration tank (10) the inside that is filled with SF6 gas; Voltage transformer (3) is connected in parallel in the major loop; current transformer (8) is set on the main bus bar (9); the secondary line of voltage transformer (3) summation current transformer (8) is connected with the data input pin of computer integrated protection devices (11) respectively; the control output end of computer integrated protection devices (11) is connected with the electronic control end of vacuum circuit-breaker (4), consists of the Based Intelligent Control loop of the totally-enclosed gas-filled type ring main unit of all insulation.
Advantage of the present invention is: 1, totally-enclosed, degree of protection is high, arrives IP66, and is non-maintaining;
2, SF6 gas all insulation, arc extinction performance is strong, and breaking capacity is high, long service life;
3, control loop is intelligent, the reliable in function safety such as protection, control, measurement, communication;
4, volume is little, can realize multi-functional unit integrated combination.
Claims (1)
1. totally-enclosed gas-filled type ring main unit of intelligent all insulation, it is characterized in that: it is by inlet wire cable end (1), earthing (2), voltage transformer (3), vacuum circuit-breaker (4), isolating switch (5), fuse (6), outlet cable end (7), main bus bar (9), current transformer (8), aeration tank (10), computer integrated protection devices (11) forms, inlet wire cable end (1) is connected on earthing (2) fixed contact, earthing (2) moving contact is connected with the fixed contact of vacuum circuit-breaker (4), vacuum circuit-breaker (4) moving contact is connected on isolating switch (5) fixed contact, isolating switch (5) moving contact is connected with fuse (6) inlet wire seat, fuse (6) leading-out terminal is connected with outlet cable end (7), outlet cable end (7) is connected on the main bus bar (9), consist of the major loop of the totally-enclosed gas-filled type ring main unit of intelligent all insulation, all major loop elements all are fixedly mounted on aeration tank (10) the inside that is filled with SF6 gas; Voltage transformer (3) is connected in parallel in the major loop; current transformer (8) is set on the main bus bar (9); the secondary line of voltage transformer (3) summation current transformer (8) is connected with the data input pin of computer integrated protection devices (11) respectively; the control output end of computer integrated protection devices (11) is connected with the electronic control end of vacuum circuit-breaker (4), consists of the Based Intelligent Control loop of the totally-enclosed gas-filled type ring main unit of all insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210431647 CN102938543A (en) | 2012-10-28 | 2012-10-28 | Intelligent all-insulating full-closing inflatable ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210431647 CN102938543A (en) | 2012-10-28 | 2012-10-28 | Intelligent all-insulating full-closing inflatable ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102938543A true CN102938543A (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210431647 Pending CN102938543A (en) | 2012-10-28 | 2012-10-28 | Intelligent all-insulating full-closing inflatable ring main unit |
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| CN (1) | CN102938543A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269018A (en) * | 2013-06-14 | 2013-08-28 | 北京合纵科技股份有限公司 | Intelligent ring main unit with voltage protective function |
| CN103545744A (en) * | 2013-09-29 | 2014-01-29 | 国家电网公司 | Power supply device for voltage transformer |
| CN104952663A (en) * | 2014-03-31 | 2015-09-30 | 西门子公司 | Contact head module with fuse for isolation switch and isolation switch |
| CN107623279A (en) * | 2017-10-17 | 2018-01-23 | 杭州世创电子技术股份有限公司 | A kind of gas-insulated ring network cabinet metal enclosed switchgear |
-
2012
- 2012-10-28 CN CN 201210431647 patent/CN102938543A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269018A (en) * | 2013-06-14 | 2013-08-28 | 北京合纵科技股份有限公司 | Intelligent ring main unit with voltage protective function |
| CN103269018B (en) * | 2013-06-14 | 2016-02-24 | 北京合纵科技股份有限公司 | There is the intelligent ring main unit of voltage protection function |
| CN103545744A (en) * | 2013-09-29 | 2014-01-29 | 国家电网公司 | Power supply device for voltage transformer |
| CN104952663A (en) * | 2014-03-31 | 2015-09-30 | 西门子公司 | Contact head module with fuse for isolation switch and isolation switch |
| CN104952663B (en) * | 2014-03-31 | 2018-01-26 | 西门子公司 | The contact module and disconnecting switch with fuse for disconnecting switch |
| CN107623279A (en) * | 2017-10-17 | 2018-01-23 | 杭州世创电子技术股份有限公司 | A kind of gas-insulated ring network cabinet metal enclosed switchgear |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |