CN106451084A - Transformer station combined protective electrical appliance - Google Patents
Transformer station combined protective electrical appliance Download PDFInfo
- Publication number
- CN106451084A CN106451084A CN201610918819.5A CN201610918819A CN106451084A CN 106451084 A CN106451084 A CN 106451084A CN 201610918819 A CN201610918819 A CN 201610918819A CN 106451084 A CN106451084 A CN 106451084A
- Authority
- CN
- China
- Prior art keywords
- fuse
- lead
- spark gap
- electrical equipment
- connecting plate
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention provides a transformer station combined protective electrical appliance, comprising a fuse, a lightning arrester and a connecting plate; the fuse comprises a porcelain sleeve, a sealed wire inlet sleeve is arranged at the top of the porcelain sleeve, an inlet wire is arranged in the wire inlet sleeve, a sealed rubber cover is arranged at the bottom of the porcelain sleeve, the rubber cover is provided with a fuse carrier inlet and a sealed wire outlet sleeve, an outlet wire is arranged in the wire outlet sleeve, a hoop is arranged outside the porcelain sleeve, and the hoop is provided with a connecting portion connected with a fuse cross arm; a metal connecting portion is formed at the top of the lightning arrester, an insulating cover is arranged at the bottom of the lightning arrester, a wire inlet lead and a wire outlet lead are arranged on the insulating cover, and he outlet wire on the fuse is electrically connected with the wire inlet lead on the lightning arrester; one end of the connecting plate is connected with the connecting portion on the hoop, the other end of the connecting plate is fixedly connected with the metal connecting portion of the lightning arrester, and a grounding terminal is arranged on the connecting plate. The transformer station combined protective electrical appliance is simple in structure and convenient to install, and can be widely applied in the field of power.
Description
Technical field
The present invention relates to a kind of become platform combination type protection electrical equipment, belong to power transmission technology field.
Background technology
High-voltage combined electrical apparatus are divided into open type and two kinds of totally enclosed type by insulation system.The former is with disconnecting switch or chopper
For main body, by current transformer, voltage transformer, the first-class element of cable, common combination forms therewith.The latter is by each composition unit
The electrification in high voltage position of part is sealed in grounded metal enclosure, is filled with the good gas of insulating properties, oil or solid insulation in shell
Medium, each element（Generally comprise chopper, disconnecting switch, earthed switch, voltage transformer, current transformer, bus,
Spark gap, cable termination etc.）By wiring requirement, it is sequentially connected and forms a whole.It is lithium that the sixties in 20th century occurs
Sulfur（SF6）The features such as totally-enclosed electrical equipment has that installation volume is little, has a safety feature, reliability is high, the time between overhauls(TBO) is long, therefore develops
Rapidly.In prior art, the installation of fuse and spark gap is usually to be arranged on shaft tower each via a support and become on platform
Side, need during installation to fix fuse and spark gap respectively, and due on bar limited space keep away in addition it is also necessary to install on shaft tower
The inlet wire of the outlet of fuse and spark gap, to fix spark gap, is connected after installation by thunder device support in addition it is also necessary to pass through electric wire
Connect.Therefore, its structure is more complicated, complex installation process, finally overhauls also suitable complexity.
Content of the invention
The present invention overcomes the shortcomings of that prior art exists, and technical problem to be solved is：Propose a kind of integrated lightning-arrest
Device and fuse protect electrical equipment in the change platform combination type of one, and its structure is simple, easy for installation, and maintenance is convenient.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：Become platform combination type protection electrical equipment, including molten
Disconnected device, spark gap and connecting plate；Described fuse includes the insulator being internally provided with accommodation space, and described insulator top is provided with
The inlet wire set of sealing, is provided with inlet line in described inlet wire set, described insulator bottom arranges Packed rubber cover, described rubber
Fusing carrier import is provided with cover, described insulator bottom sides also set up Packed lead collar, setting in described lead collar
There is egress line, outside described insulator, be provided with anchor ear, described anchor ear is provided with and the connection for being connected with fuse cross-arm
Portion；Described spark gap top is provided with metallic connection parts, and described spark gap bottom is provided with insulating boot, and described insulating boot is arranged
There are inlet wire lead and outlet lead, the egress line on described fuse is electrically connected with the inlet wire lead on described spark gap；Described
One end of connecting plate is connected with the connecting portion on described anchor ear, and the other end of described connecting plate is connected with the metal of described spark gap
Portion is fixedly connected, and described connecting plate is provided with the ground terminal for connecting earth lead.
Be provided with Top electrode and bottom electrode in described insulator, described Top electrode and described inlet wire cover in inlet line be electrically connected
Connect, described bottom electrode is electrically connected with the egress line in described lead collar, described Top electrode and described bottom electrode are petal type and touch
Head, fusing carrier is arranged between described Top electrode and described bottom electrode, the upper electrode of described fusing carrier upper end and described upper electricity
Pole electrically connects, and the lower electrode of described fusing carrier lower end is electrically connected with described bottom electrode.
The tail end of described connecting portion is U-shaped plate, after described U-shaped plate level insertion fuse cross-arm, is bolted on
On described fuse cross-arm.
It is provided with closure in described fusing carrier import.
The rated voltage of described fuse is 12kV, and rated current is 50A, and rated power is 50Hz, specified drop-out current
For 8kA.
The rated voltage of described spark gap is 17kV, and running voltage is 13.6kV, and operating discharge electric current is 5000A, action
Beginning voltage is 24kV.
The present invention compared with prior art has the advantages that：
（1）The change platform combination type protection electrical equipment of the present invention, the combination type protection using the compact structure of fuse lightning arrester sets
Meter scheme, outside inlet wire enters in fuse from fuse top, direct and lightning-arrest from the outlet of fuse bottom after fusing carrier
After device is connected, lead to transformer terminal, spark gap is shared a fixed support with fuse, fixed by the anchor ear on fuse
On tower bar, save the special cross-arm of spark gap for this；Arrester ground line passes through bolt on surge arrester support and is connected, and subtracts
The light complexity installed, reduces installation requirement, and also a large amount of gold utensils can be reduced, cable conductor, insulator are fixed
The materials such as device；
（2）The change platform combination type protection electrical equipment of the present invention, fuse adopts enclosed type construction, improves line insulation, reduces
Maintenance workload；The critical component electrode of the fuse of hermetically sealed mode is built in insulated sleeve, substantially increases device resistance to
The dirty ability of corrosion salt tolerant；Not only increase the reliability of properties of product, also substantially prolongs service life of equipment；
（3）The novel combination type protection lightning protection device of electrical equipment and the modular design of hermetically sealed expulsion fuse, not only increase
10KV becomes the insulation degree of platform, also strengthens the protective measure of staff during the overhaul of the equipments of Bian Tai area.
Brief description
Fig. 1 becomes, for what the embodiment of the present invention proposed, the structural representation that platform combination type protects electrical equipment；
Fig. 2 becomes, for what the embodiment of the present invention proposed, the top view that platform combination type protects electrical equipment；
Fig. 3 is the internal structure schematic diagram of fuse；
Fig. 4 is the structural representation of the Top electrode in fuse and bottom electrode.
Specific embodiment
For making technical scheme and advantage clearer, below in conjunction with specific embodiments and the drawings, to this
Bright technical scheme is clearly and completely described it is clear that described embodiment is a part of embodiment of the present invention, and
It is not all, of embodiment；Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.
As depicted in figs. 1 and 2, the present invention proposes a kind of platform combination type that becomes and protects electrical equipment, including fuse 1, spark gap 2
With connecting plate 3；Described fuse 1 includes the insulator 11 being internally provided with accommodation space, and described insulator 11 top is provided with sealing
Inlet wire set 12, be provided with inlet line in described inlet wire set 12, described insulator 11 bottom arranges Packed rubber cover 13, described
Fusing carrier import is provided with rubber cover 13, described insulator 11 lower side also sets up Packed lead collar 15, described go out
Line set 15 in be provided with egress line, be additionally provided with anchor ear 17 outside described insulator 11, described anchor ear 17 is provided with for
The connecting portion 171 that fuse cross-arm connects；Described spark gap 2 top is provided with metallic connection parts 21, and described spark gap 2 bottom sets
It is equipped with insulating boot 22, described insulating boot 22 is provided with inlet wire lead 23 and outlet lead 24, the egress line on described fuse
Electrically connect with the inlet wire lead 23 on described spark gap；One end of described connecting plate 3 is connected with the connecting portion 171 of described anchor ear 17
Connect, the other end of described connecting plate 3 is fixedly connected with the metallic connection parts 21 of described spark gap 2, described connecting plate 3 is provided with
For connecting the ground terminal 31 of earth lead.
As shown in figure 3, being provided with Top electrode 18 and bottom electrode 19 in described insulator 11, described Top electrode 18 and described inlet wire
Inlet line electrical connection in set 12, described bottom electrode is electrically connected with the egress line in described lead collar, as shown in figure 4, on described
Electrode 18 and described bottom electrode 19 are petal type contact, fusing carrier（Cartridge fuse）It is arranged on described Top electrode and described bottom electrode
Between, the upper electrode of described fusing carrier upper end is electrically connected with described Top electrode, the lower electrode of described fusing carrier lower end and institute
State bottom electrode electrical connection, petal type contact makes fuse unit grip reliable and stable；And fuse failure sprays therebetween to fuse unit
One can be produced and push up power upwards it is ensured that fuse unit will not fall.
As shown in figure 1, the tail end of the connecting portion 171 of described anchor ear 17 is U-shaped plate, described U-shaped plate level inserts fuse
After cross-arm, it is bolted on described fuse cross-arm.
Additionally, being provided with closure 14 in described fusing carrier import, by arranging closure 14, and the inlet wire set of sealing
12, the rubber cover 13 of lead collar 14 and sealing, make fuse 1 have good sealing, effectively prevent dust pollution and salt dirty,
Even if also ensuring that performance steady in a long-term in coastal area；Additionally, the fuse of hermetically sealed mode, make in critical component electrode
Put in insulating porcelain bushing it is not easy to pollution is got rusty, keep good insulation resistance characteristic to substantially increase the corrosion-resistant salt tolerant of device
Dirty ability, not only increases the reliability of properties of product, also substantially prolongs service life of equipment.
Wherein, the running parameter of described fuse can be：Rated voltage is 12kV, and rated current is 50A, rated power
For 50Hz, specified drop-out current is 8kA.
Wherein, the running parameter of described spark gap can be：Rated voltage is 17kV, and running voltage is 13.6kV, work
Discharge current is 5000A, and it is 24kV that action starts voltage.
The present invention become platform combination type protect electrical equipment installation process into：First pass through connecting portion on described anchor ear by institute
State change platform combination type protection electrical equipment（Spark gap, fuse and connecting plate）It is fixed on fuse cross-arm；Then by described fusing
Inlet line on device is connected with external cable, and the outlet lead on described spark gap is connected with external cable；Finally molten by carrying
Part is connected with operation rod, and by operation rod, by fusing carrier, the fusing carrier import from fuse bottom loads in fuse, takes off behaviour
Make rod, and described fusing carrier import on described closure lid, will be made to be sealed.Therefore, the change platform combination type of the present invention is protected
The installation process very simple of shield electrical equipment, greatly reduces and works on the post of installation personnel, can improve work efficiency.
Wherein, the inlet line on described fuse and the aluminium hydraulic pressed connecting pipe that connects through of external cable are realized, and it concretely comprises the following steps：
PD pipe box is located on inlet line or the external cable on fuse, so that the inlet line on fuse and external cable is led to respectively
Cross two ends in aluminium hydraulic pressed connecting pipe to enter in aluminium hydraulic pressed connecting pipe, by Press Plier make described inlet line and described external cable respectively with described pressure
Adapter connects, and mobile PD manages to the position of crimping, extracts and take off the pipe in PD pipe；Wherein, going out on described spark gap
Line lead is connected with external cable can also be realized by aluminium hydraulic pressed connecting pipe, and it concretely comprises the following steps：PD pipe box is located at going out of spark gap
On line lead or external cable, the outlet lead of spark gap and external cable is made to pass through the two ends entrance pressure in aluminium hydraulic pressed connecting pipe respectively
In adapter, described inlet line and described external cable is made to be connected with aluminium hydraulic pressed connecting pipe respectively by Press Plier, mobile PD manages to crimping
Behind position, extract and take off the pipe in PD pipe；Connect by terminal or aluminium hydraulic pressed connecting pipe be connected, then by Press Plier by terminal
Or the other end of aluminium hydraulic pressed connecting pipe is connected with outer lead.
The change platform combination type protection electrical equipment of the present invention, the combination type protection using the compact structure of fuse lightning arrester sets
Meter scheme, outside inlet wire enters in fuse from fuse top, direct and lightning-arrest from the outlet of fuse bottom after fusing carrier
After device is connected, lead to transformer terminal, spark gap is shared a fixed support with fuse, fixed by the anchor ear on fuse
On tower bar, save the special cross-arm of spark gap for this；Arrester ground line passes through bolt on surge arrester support and is connected, and subtracts
The light complexity installed, reduces installation requirement, and also a large amount of gold utensils can be reduced, cable conductor, insulator are fixed
The materials such as device.
Above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Example, in the ken that those of ordinary skill in the art possess, can also make on the premise of without departing from present inventive concept
Go out various change.
Claims (6)
1. become platform combination type protection electrical equipment it is characterised in that including fuse, spark gap and connecting plate；
Described fuse includes the insulator being internally provided with accommodation space, and described insulator top arranges Packed inlet wire set, institute
State in inlet wire set and be provided with inlet line, described insulator bottom arranges Packed rubber cover, described rubber cover is provided with load molten
Part import, described insulator lower side also sets up Packed lead collar, is provided with egress line in described lead collar, described porcelain
Set is outside to be provided with anchor ear, described anchor ear is provided with and the connecting portion for being connected with fuse cross-arm；
Described spark gap top is provided with metallic connection parts, and described spark gap bottom is provided with insulating boot, and described insulating boot sets
It is equipped with inlet wire lead and outlet lead, the egress line on described fuse is electrically connected with the inlet wire lead on described spark gap；
One end of described connecting plate is connected with the connecting portion on described anchor ear, the other end of described connecting plate and described spark gap
Metallic connection parts are fixedly connected, and described connecting plate is provided with the ground terminal for connecting earth lead.
2. change platform combination type protection electrical equipment according to claim 1 is it is characterised in that be provided with Top electrode in described insulator
And bottom electrode, described Top electrode cover with described inlet wire in inlet line electrically connect, going out in described bottom electrode and described lead collar
Mouth line electrically connects, and described Top electrode and described bottom electrode are petal type contact, and fusing carrier is arranged on described Top electrode and described
Between bottom electrode, the upper electrode of described fusing carrier upper end is electrically connected with described Top electrode, the bottom electricity of described fusing carrier lower end
Pole is electrically connected with described bottom electrode.
3. change platform combination type protection electrical equipment according to claim 1 is it is characterised in that the tail end of described connecting portion is U-shaped
Plate, after described U-shaped plate level insertion fuse cross-arm, is bolted on described fuse cross-arm.
4. change platform combination type protection electrical equipment according to claim 1 is it is characterised in that be provided with described fusing carrier import
Closure.
5. according to claim 1 become platform combination type protect electrical equipment it is characterised in that described fuse rated voltage into
12kV, rated current is 50A, and rated power is 50Hz, and specified drop-out current is 8kA.
6. according to claim 1 become platform combination type protect electrical equipment it is characterised in that described spark gap rated voltage into
17kV, running voltage is 13.6kV, and operating discharge electric current is 5000A, and it is 24kV that action starts voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918819.5A CN106451084B (en) | 2016-10-21 | 2016-10-21 | Become platform combined type protection electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918819.5A CN106451084B (en) | 2016-10-21 | 2016-10-21 | Become platform combined type protection electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451084A true CN106451084A (en) | 2017-02-22 |
| CN106451084B CN106451084B (en) | 2018-05-29 |
Family
ID=58176690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918819.5A Active CN106451084B (en) | 2016-10-21 | 2016-10-21 | Become platform combined type protection electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451084B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305812A (en) * | 2018-02-01 | 2018-07-20 | 贵州电网有限责任公司 | The novel dismountable low pressure isolation switch for changing safety plate |
| CN108573839A (en) * | 2017-03-10 | 2018-09-25 | 廊坊北熔电气股份有限公司 | High pressure protector on a kind of column |
| CN108666919A (en) * | 2018-06-15 | 2018-10-16 | 国家电网有限公司 | A kind of integration pole type transformer platform complexes |
| CN113628939A (en) * | 2021-08-13 | 2021-11-09 | 温州益坤电气股份有限公司 | Prevent top net overvoltage protection device |
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| CN201117613Y (en) * | 2007-11-14 | 2008-09-17 | 曹云贵 | Transformer lightning protection fuse |
| JP2009033816A (en) * | 2007-07-25 | 2009-02-12 | Chugoku Electric Power Co Inc:The | Protective cover for terminal |
| CN201689858U (en) * | 2010-06-02 | 2010-12-29 | 正泰电气股份有限公司 | 10-kV controllable combined-type over-voltage fuse protector |
| CN203325823U (en) * | 2013-07-11 | 2013-12-04 | 河南毅达电气科技有限公司 | Single-pillar current-limiting voltage-limiting protector device |
| CN203659780U (en) * | 2013-12-10 | 2014-06-18 | 杭州国电电气设备有限公司 | Fully-insulated expulsion fuse |
| CN206116880U (en) * | 2016-10-21 | 2017-04-19 | 国网山西省电力公司运城供电公司 | Become platform combination formula protection electrical apparatus |
-
2016
- 2016-10-21 CN CN201610918819.5A patent/CN106451084B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009033816A (en) * | 2007-07-25 | 2009-02-12 | Chugoku Electric Power Co Inc:The | Protective cover for terminal |
| CN201117613Y (en) * | 2007-11-14 | 2008-09-17 | 曹云贵 | Transformer lightning protection fuse |
| CN201689858U (en) * | 2010-06-02 | 2010-12-29 | 正泰电气股份有限公司 | 10-kV controllable combined-type over-voltage fuse protector |
| CN203325823U (en) * | 2013-07-11 | 2013-12-04 | 河南毅达电气科技有限公司 | Single-pillar current-limiting voltage-limiting protector device |
| CN203659780U (en) * | 2013-12-10 | 2014-06-18 | 杭州国电电气设备有限公司 | Fully-insulated expulsion fuse |
| CN206116880U (en) * | 2016-10-21 | 2017-04-19 | 国网山西省电力公司运城供电公司 | Become platform combination formula protection electrical apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573839A (en) * | 2017-03-10 | 2018-09-25 | 廊坊北熔电气股份有限公司 | High pressure protector on a kind of column |
| CN108573839B (en) * | 2017-03-10 | 2023-12-22 | 廊坊北熔电气股份有限公司 | High-voltage protection device on column |
| CN108305812A (en) * | 2018-02-01 | 2018-07-20 | 贵州电网有限责任公司 | The novel dismountable low pressure isolation switch for changing safety plate |
| CN108666919A (en) * | 2018-06-15 | 2018-10-16 | 国家电网有限公司 | A kind of integration pole type transformer platform complexes |
| CN113628939A (en) * | 2021-08-13 | 2021-11-09 | 温州益坤电气股份有限公司 | Prevent top net overvoltage protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451084B (en) | 2018-05-29 |
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