CN208127843U - A kind of electric power tower high pressure takes electricity gas-insulated transformer substation system - Google Patents
A kind of electric power tower high pressure takes electricity gas-insulated transformer substation system Download PDFInfo
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- CN208127843U CN208127843U CN201820745153.2U CN201820745153U CN208127843U CN 208127843 U CN208127843 U CN 208127843U CN 201820745153 U CN201820745153 U CN 201820745153U CN 208127843 U CN208127843 U CN 208127843U
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Abstract
This application discloses a kind of electric power tower high pressures to take electricity gas-insulated transformer substation system, including ultra-high-tension power transmission line, steel-cored aluminium strand, bushing, power transformation module and platform, platform building is on electric power tower, power transformation module is arranged on platform, power transformation module is connected by bushing with steel-cored aluminium strand, and bushing is connected by steel-cored aluminium strand with ultra-high-tension power transmission line.High-voltage winding input terminal is connected by bushing with steel-cored aluminium strand, high-voltage winding output end is grounded by the first porcelain bushing shell, first low pressure winding is connected by the second porcelain bushing shell with external controller switching equipment or electrical equipment, to export 220V alternating current after high-voltage electricity decompression to power.Since gas-insulated transformer substation system is directly to take electricity from the transmission line of electricity of electric power tower, so there is no need to additionally increase low-voltage electricity transmission line, it is lost so as to avoid the security risk and low-voltage circuit of high and low pressure transmission line of electricity wiring on the same tower, solves the problems, such as that remote ground low voltage equipment takes electric hardly possible.
Description
Technical field
This application involves electric power tower electrical equipment high pressure power taking technology field more particularly to a kind of gas-insulated power transformation systems
System.
Background technique
Electric power tower is to support between conducting wire in transmission line of electricity, a Dingan County is kept between grounded-line and above ground structure
The steel frame of full distance.Currently, the covering surface of transmission line of electricity is further extensive, intersection, widely distributed and level in length and breadth are formd
Clearly demarcated power grid channel, therefore electric power tower is also widely used.
In the prior art, it generallys use large-scale transformer equipment and takes electricity from the transmission line of electricity of electric power tower, to need
Low-voltage electricity transmission line to be added on electric power tower with electricity supply and use equipment normal use.But in many remote districts due to being in
Reveal dangerously steep landform, remote, scattered settlement, depth poverty the reasons such as natural characteristic so that some remote districts and electricity
It is poor that there are power supply reliabilities in power construction relatively backward area, and low-voltage equipment takes the technical problem of electric hardly possible.
Utility model content
The purpose of this utility model is to provide a kind of electric power tower high pressures to take electricity gas-insulated transformer substation system, to solve
Low voltage equipment from far-off regions takes the problem of electric hardly possible.
Embodiment according to the present utility model provides a kind of electric power tower high pressure and takes electricity gas-insulated transformer substation system,
A kind of electric power tower high pressure takes electricity gas-insulated transformer substation system, including ultra-high-tension power transmission line, steel-cored aluminium strand, height
Pressing sleeve pipe, power transformation module and platform;
The platform building is on electric power tower;
The power transformation module vertical direction is equipped with bolt;
The power transformation module is fixedly mounted on the platform by the bolt;
Power transformation module level direction is equipped with cross bar;
The power transformation module is fixed on electric power tower by the cross bar;
The power transformation module is connected by the bushing with the steel-cored aluminium strand;
The bushing is connected by the steel-cored aluminium strand with the ultra-high-tension power transmission line;
The power transformation module includes gas-insulated transformer and the first porcelain bushing shell;
The power transformation inside modules are filled equipped with SF6 gas;
The gas-insulated transformer includes high-voltage winding and the first low pressure winding;
The input terminal of the high-voltage winding is connected by the bushing with the steel-cored aluminium strand;
The output end of the high-voltage winding is grounded by first porcelain bushing shell;
First low pressure winding is equipped with the second porcelain bushing shell;
First low pressure winding is connected by second porcelain bushing shell with external controller switching equipment or electrical equipment.
Further, the power transformation module further includes switch module;
The switch module includes disconnecting switch and breaker;
The input terminal of the disconnecting switch is connected by the bushing with the steel-cored aluminium strand;
The output end of the disconnecting switch is connected with the input terminal of the breaker;
The output end of the breaker is connected with the input terminal of the high-voltage winding.
Further, the power transformation module further includes current monitoring module;
The current monitoring module includes high voltage side current mutual inductor, low-pressure side current transformer and breaker;
The input terminal of the high voltage side current mutual inductor passes through the breaker and the bushing and the steel-core-aluminium
Twisted wire is connected;
The output end of the high voltage side current mutual inductor is connected with the input terminal of the high-voltage winding;
Second porcelain bushing shell passes through the low-pressure side current transformer and the external controller switching equipment or electrical equipment
Between.
Further, the power transformation module further includes voltage monitoring module;
The voltage monitoring module includes voltage transformer and third porcelain bushing shell;
The gas-insulated transformer low-pressure side adds third low pressure winding;
The third low pressure winding is connected by the third porcelain bushing shell with the voltage transformer.
Further, the power transformation module further includes overcurrent protection module;
The overcurrent protection module includes breaker and high voltage side current mutual inductor;
The input terminal of the breaker is connected by the bushing with the steel-cored aluminium strand;
The output end of the breaker is connected with the input terminal of the high voltage side current mutual inductor;
The output end of the high voltage side current mutual inductor is connected with the input terminal of the high-voltage winding.
Further, the power transformation module further includes overvoltage protective module;
The overvoltage protective module is connected by the bushing with the steel-cored aluminium strand;
The output end of the overvoltage protective module is grounded.
Further, the overvoltage protective module uses Zinc-Oxide Arrester.
The beneficial effect of the application is:
From the above technical scheme, the utility model embodiment provides a kind of electric power tower high pressure and takes electric gas exhausted
Edge transformer substation system, including ultra-high-tension power transmission line, steel-cored aluminium strand, bushing, power transformation module and platform, platform building is in electric power
On steel tower, power transformation module is arranged on platform, and power transformation module is connected by bushing with steel-cored aluminium strand, and bushing is logical
Steel-cored aluminium strand is crossed to be connected with ultra-high-tension power transmission line.The input terminal of gas-insulated transformer mesohigh winding passes through bushing
It is connected with steel-cored aluminium strand, the output end of high-voltage winding is grounded by the first porcelain bushing shell, and the first low pressure winding passes through the second porcelain
Casing is connected with external controller switching equipment or electrical equipment, so that output 220V is handed over after the High Level AC Voltage of transmission line of electricity is depressured
Galvanic electricity is to power.Since the gas-insulated transformer substation system in the utility model embodiment is the transmission line of electricity directly from electric power tower
On take electricity, so there is no need to additionally increase low-voltage electricity transmission line, so as to avoid the security risk of high and low pressure transmission line of electricity wiring on the same tower
And low-voltage circuit loss, solve the technical problem that remote ground low voltage equipment takes electric hardly possible, and the utility model embodiment
Electric power tower high pressure take electricity with gas-insulated transformer substation system, there is high voltage, low current, low capacity, light-weight, small in size
Feature solves electric power tower power demands of the transmission of electricity under specific condition and improves power supply reliability.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, right
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is that the electric power tower high pressure shown in the utility model embodiment takes electricity to be mounted on electricity with gas-insulated transformer substation system
The structural schematic diagram of power steel tower;
Fig. 2 is the principle that the electric power tower high pressure shown in the utility model embodiment takes electricity gas-insulated transformer substation system
Figure.
Wherein, 1- ultra-high-tension power transmission line, 2- steel-cored aluminium strand, 3- bushing, 4- power transformation module, 5- platform, 6- bolt,
7- cross bar, 8- gas-insulated transformer, the first porcelain bushing shell of 9-, 10- high-voltage winding, the first low pressure winding of 11-, the second insulator of 12-
Pipe, 13- disconnecting switch, 14- breaker, 15- high voltage side current mutual inductor, 16- low-pressure side current transformer, 17- mutual induction of voltage
Device, 18- third porcelain bushing shell, 19- third low pressure winding, 20- Zinc-Oxide Arrester.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, taking electricity gas-insulated transformer substation system for the electric power tower high pressure shown in the utility model embodiment
It is mounted on the structural schematic diagram of electric power tower.
In the prior art, it generallys use large-scale transformer equipment and takes electricity from the transmission line of electricity of electric power tower, to need
Low-voltage electricity transmission line to be added on electric power tower with electricity supply and use equipment normal use.But in many remote districts due to being in
Reveal dangerously steep landform, remote, scattered settlement, depth poverty the reasons such as natural characteristic so that some remote districts and electricity
It is poor that there are power supply reliabilities in power construction relatively backward area, and low-voltage equipment takes the technical problem of electric hardly possible.
The utility model embodiment provides a kind of electric power tower high pressure and takes electricity gas-insulated transformer substation system, including high pressure
Transmission line of electricity 1, steel-cored aluminium strand 2, bushing 3, power transformation module 4 and platform 5;
The platform 5 is built on electric power tower;
4 vertical direction of power transformation module is equipped with bolt 6;
The power transformation module 4 is fixedly mounted on the platform 5 by the bolt 6;
4 horizontal direction of power transformation module is equipped with cross bar 7;
The power transformation module 4 is fixed on electric power tower by the cross bar 7;
The power transformation module 4 is connected by the bushing 3 with the steel-cored aluminium strand 2;
The bushing 3 is connected by the steel-cored aluminium strand 2 with the ultra-high-tension power transmission line 1;
The power transformation module 4 includes gas-insulated transformer 8 and the first porcelain bushing shell 9;
It fills inside the power transformation module 4 equipped with SF6 gas;
The gas-insulated transformer 8 includes high-voltage winding 10 and the first low pressure winding 11;
The input terminal of the high-voltage winding 10 is connected by the bushing 3 with the steel-cored aluminium strand 2;
The output end of the high-voltage winding 10 is grounded by first porcelain bushing shell 9;
First low pressure winding 11 is equipped with the second porcelain bushing shell 12;
First low pressure winding 11 is connected by second porcelain bushing shell 12 with external controller switching equipment or electrical equipment
It connects.
Specifically, gas insulated combined electric appliance equipment, English are Gas Insulated Switchgear, and english abbreviation is
GIS.Have many advantages, such as that occupied area is small, operational reliability is high, maintenance workload is small and without electromagnetic interference, in the change of electric system
Power station and power plant are all widely applied.But electricity is taken by electric power tower high pressure is applied to after the design of this technical optimization,
And it is domestic also in blank stage at present with the research and development of gas-insulated combination transformer substation system for electric power tower under specific condition.
The utility model embodiment is applied to electric power iron using the similar gas-insulated transformer substation system with gas insulated combined electric appliance equipment
Tower height pressure takes electricity.System utilizes SF6 gas, i.e. sulfur hexafluoride gas is and entirely exhausted by SF6 gas-insulated as major insulation medium
Edge is sealed in the power transformation module 4 of system.Gas-insulated transformer 8 and the first porcelain bushing shell 9 are disposed compactly in power transformation module 4,
To reduce the occupied space of total system itself.Also, aluminum alloy materials is used to can be improved anti-as the material of shell
Corrosive nature and light-weight.By using structure and foundry engieering, the field distribution and mechanical performance of shell are optimized.High voltage winding
The input terminal of group 10 is connected by bushing 3 with steel-cored aluminium strand 2, so that the high pressure being connected with steel-cored aluminium strand 2 is defeated
High Level AC Voltage in electric line 1 is transported to high-voltage winding 10.Bushing shell for transformer is the primary insulation device outside transformer tank, is become
The lead-out wire of depressor winding must make to insulate between lead-out wire and between lead-out wire and transformer case, together by insulating sleeve
When play fixed lead-out wire.Wherein porcelain bushing shell is chiefly used in 10kV and following transformer, and a conduction is worn in porcelain bushing shell
Copper bar, interior insulator is air insulation.The first porcelain bushing shell 9 is passed through in the lead of the output end of high-voltage winding 10 as a result, to be grounded again.It is logical
Electromagnetic induction technology is crossed, voltage is induced in the first low pressure winding 11, and match Denso with external eventually by the second porcelain bushing shell 12
It sets or power device is connected, final output 220V alternating current is powered after the High Level AC Voltage electricity of transmission line of electricity is depressured.
From the above technical scheme, the utility model embodiment provides a kind of electric power tower high pressure and takes electric gas exhausted
Edge transformer substation system, including ultra-high-tension power transmission line 1, steel-cored aluminium strand 2, bushing 3, power transformation module 4 and platform 5, platform 5 are built
On electric power tower, power transformation module 4 is arranged on platform 5, and power transformation module 4 is connected by bushing 3 with steel-cored aluminium strand 2
It connects, bushing 3 is connected by steel-cored aluminium strand 2 with ultra-high-tension power transmission line 1.8 mesohigh winding 10 of gas-insulated transformer
Input terminal be connected with steel-cored aluminium strand 2 by bushing 3, the output end of high-voltage winding 10 passes through the first porcelain bushing shell 9 and connects
Ground, the first low pressure winding 11 is connected by the second porcelain bushing shell 12 with external controller switching equipment or electrical equipment, thus by power transmission line
220V alternating current is exported after the High Level AC Voltage decompression on road to power.Due to the gas-insulated power transformation in the utility model embodiment
System is directly to take electricity from the transmission line of electricity of electric power tower, so there is no need to additionally increase low-voltage electricity transmission line, so as to avoid it is high,
The security risk and low-voltage circuit of low-voltage electricity transmission line wiring on the same tower are lost, and solve remote ground low voltage equipment and take electric hardly possible
Technical problem, and the electric power tower high pressure of the utility model embodiment takes electricity with gas-insulated transformer substation system, have high voltage,
Low current, low capacity, feature light-weight, small in size solve power demands of the electric power tower transmission of electricity under specific condition simultaneously
Improve power supply reliability.
Fig. 2 is referred to, takes electricity gas-insulated transformer substation system for the electric power tower high pressure shown in the utility model embodiment
Schematic diagram.
Further, the power transformation module 4 further includes switch module;
The switch module includes disconnecting switch 13 and breaker 14;
The input terminal of the disconnecting switch 13 is connected by the bushing 3 with the steel-cored aluminium strand 2;
The output end of the disconnecting switch 13 is connected with the input terminal of the breaker 14;
The output end of the breaker 14 is connected with the input terminal of the high-voltage winding 10.
Specifically, it is designed using modularization difference, according to the needs and then swap modules of different operating conditions of powering.In power transmission line
In the case that road is broken down, switch module is added in power transformation module 4, it is real by control disconnecting switch 13 and breaker 14
Now high pressure is electrically isolated and fault current is cut off, the region for reducing large area has a power failure, and provides for the operation of transmission line of electricity
It is reliable to ensure.
Further, the power transformation module 4 further includes current monitoring module;
The current monitoring module includes high voltage side current mutual inductor 15, low-pressure side current transformer 16 and breaker 14;
The input terminal of the high voltage side current mutual inductor 15 passes through the breaker 14 and the bushing 3 and the steel
Core aluminum stranded wire 2 is connected;
The output end of the high voltage side current mutual inductor 15 is connected with the input terminal of the high-voltage winding 10;
Second porcelain bushing shell 12 passes through the low-pressure side current transformer 16 and the external controller switching equipment or electricity consumption
Between equipment.
Specifically, high current can be become low current by high voltage side current mutual inductor 15 and low-pressure side current transformer 16,
To which the electric current to 8 high-pressure side of gas-insulated transformer and low-pressure side carries out real-time measurement.High voltage side current mutual inductor 15 and low
Pressure side current transformer 16 is proportionally transformed into standard small electric current (5A or 1A, refer both to rated value), to realize measuring instrumentss
Effect.Also, the tripping that high voltage side current mutual inductor 15 and low-pressure side current transformer 16 are linked into breaker 14 is returned
Lu Zhong guarantees that gas-insulated transformer substation system can cut off fault current in time.High voltage side current mutual inductor 15 can also be used to every
High voltage is left, to guarantee the safety of the person and system.
Further, the power transformation module 4 further includes voltage monitoring module;
The voltage monitoring module includes voltage transformer 17 and third porcelain bushing shell 18;
8 low-pressure side of gas-insulated transformer adds third low pressure winding 19;
The third low pressure winding 19 is connected by the third porcelain bushing shell 18 with the voltage transformer 17.
Specifically, high voltage can be proportionally transformed into normal low voltage (100V) by voltage transformer 17, so as to reality
Now the voltage of 8 low-pressure side of gas-insulated transformer is measured.
Further, the power transformation module 4 further includes overcurrent protection module;
The overcurrent protection module includes breaker 14 and high voltage side current mutual inductor 15;
The input terminal of the breaker 14 is connected by the bushing 3 with the steel-cored aluminium strand 2;
The output end of the breaker 14 is connected with the input terminal of the high voltage side current mutual inductor 15;
The output end of the high voltage side current mutual inductor 15 is connected with the input terminal of the high-voltage winding 10.
Specifically, high voltage side current mutual inductor 15 accesses in the trip(ping) circuit of breaker 14, guarantees to work as gas-insulated power transformation
Occur that fault current can be cut off in time in the case where overcurrent in system.
Further, the power transformation module 4 further includes overvoltage protective module;
The overvoltage protective module is connected by the bushing 3 with the steel-cored aluminium strand 2;
The output end of the overvoltage protective module is grounded.
Specifically, overvoltage protective module is arranged between bushing 3 and the high-voltage winding 10 of gas-insulated transformer 8,
Guarantee can in time protect system when there is occurring in gas-insulated transformer substation system the case where overvoltage.
Further, the overvoltage protective module uses Zinc-Oxide Arrester 20.
Specifically, oxidisability arrester is the arrester with good protection performance.It is good non-linear using zinc oxide
C-V characteristic keeps the electric current for flowing through arrester in normal working voltage minimum, generally other in microampere or milliampere magnitude;Electricity is served as
When pressure acts on, resistance sharply declines, and the energy for overvoltage of releasing achievees the effect that protection.This arrester and traditional lightning-arrest
The difference of device is that it is no discharging gap, plays the role of aerial drainage using the nonlinear characteristic of zinc oxide and cut-offs.Zinc oxide
The voltage rating of arrester should make it be higher than the power frequency transient voltage that it is likely to occur in installation place.
From the above technical scheme, the utility model embodiment provides a kind of electric power tower high pressure and takes electric gas exhausted
Edge transformer substation system, including ultra-high-tension power transmission line 1, steel-cored aluminium strand 2, bushing 3, power transformation module 4 and platform 5, platform 5 are built
On electric power tower, power transformation module 4 is arranged on platform 5, and power transformation module 4 is connected by bushing 3 with steel-cored aluminium strand 2
It connects, bushing 3 is connected by steel-cored aluminium strand 2 with ultra-high-tension power transmission line 1.8 mesohigh winding 10 of gas-insulated transformer
Input terminal be connected with steel-cored aluminium strand 2 by bushing 3, the output end of high-voltage winding 10 passes through the first porcelain bushing shell 9 and connects
Ground, the first low pressure winding 11 is connected by the second porcelain bushing shell 12 with external controller switching equipment or electrical equipment, thus by power transmission line
220V alternating current is exported after the High Level AC Voltage decompression on road to power.Due to the gas-insulated power transformation in the utility model embodiment
System is directly to take electricity from the transmission line of electricity of electric power tower, so there is no need to additionally increase low-voltage electricity transmission line, so as to avoid it is high,
The security risk and low-voltage circuit of low-voltage electricity transmission line wiring on the same tower are lost, and solve remote ground low voltage equipment and take electric hardly possible
Technical problem, and the electric power tower high pressure of the utility model embodiment takes electricity with gas-insulated transformer substation system, have high voltage,
Low current, low capacity, feature light-weight, small in size solve power demands of the electric power tower transmission of electricity under specific condition simultaneously
Improve power supply reliability.
Those skilled in the art are considering specification and after practicing utility model disclosed herein, will readily occur to practical
Other novel embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these
Variations, uses, or adaptations follow the general principle of the utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.The description and examples are only to be considered as illustrative, the utility model
True scope and spirit are indicated by the following claims.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (7)
1. a kind of electric power tower high pressure takes electricity with gas-insulated transformer substation system, which is characterized in that including ultra-high-tension power transmission line (1),
Steel-cored aluminium strand (2), bushing (3), power transformation module (4) and platform (5);
The platform (5) is built on electric power tower;
Power transformation module (4) vertical direction is equipped with bolt (6);
The power transformation module (4) is fixedly mounted on the platform (5) by the bolt (6);
Power transformation module (4) horizontal direction is equipped with cross bar (7);
The power transformation module (4) is fixed on electric power tower by the cross bar (7);
The power transformation module (4) is connected by the bushing (3) with the steel-cored aluminium strand (2);
The bushing (3) is connected by the steel-cored aluminium strand (2) with the ultra-high-tension power transmission line (1);
The power transformation module (4) includes gas-insulated transformer (8) and the first porcelain bushing shell (9);
It fills inside the power transformation module (4) equipped with SF6 gas;
The gas-insulated transformer (8) includes high-voltage winding (10) and the first low pressure winding (11);
The input terminal of the high-voltage winding (10) is connected by the bushing (3) with the steel-cored aluminium strand (2);
The output end of the high-voltage winding (10) is grounded by first porcelain bushing shell (9);
First low pressure winding (11) is equipped with the second porcelain bushing shell (12);
First low pressure winding (11) is connected by second porcelain bushing shell (12) with external controller switching equipment or electrical equipment
It connects.
2. electric power tower high pressure as described in claim 1 takes electricity gas-insulated transformer substation system, which is characterized in that the power transformation
Module (4) further includes switch module;
The switch module includes disconnecting switch (13) and breaker (14);
The input terminal of the disconnecting switch (13) is connected by the bushing (3) with the steel-cored aluminium strand (2);
The output end of the disconnecting switch (13) is connected with the input terminal of the breaker (14);
The output end of the breaker (14) is connected with the input terminal of the high-voltage winding (10).
3. electric power tower high pressure as described in claim 1 takes electricity gas-insulated transformer substation system, which is characterized in that the power transformation
Module (4) further includes current monitoring module;
The current monitoring module includes high voltage side current mutual inductor (15), low-pressure side current transformer (16) and breaker
(14);
The input terminal of the high voltage side current mutual inductor (15) by the breaker (14) and the bushing (3) with it is described
Steel-cored aluminium strand (2) is connected;
The output end of the high voltage side current mutual inductor (15) is connected with the input terminal of the high-voltage winding (10);
Second porcelain bushing shell (12) passes through the low-pressure side current transformer (16) and the external controller switching equipment or electricity consumption
Between equipment.
4. electric power tower high pressure as described in claim 1 takes electricity gas-insulated transformer substation system, which is characterized in that the power transformation
Module (4) further includes voltage monitoring module;
The voltage monitoring module includes voltage transformer (17) and third porcelain bushing shell (18);
Gas-insulated transformer (8) low-pressure side adds third low pressure winding (19);
The third low pressure winding (19) is connected by the third porcelain bushing shell (18) with the voltage transformer (17).
5. electric power tower high pressure as described in claim 1 takes electricity gas-insulated transformer substation system, which is characterized in that the power transformation
Module (4) further includes overcurrent protection module;
The overcurrent protection module includes breaker (14) and high voltage side current mutual inductor (15);
The input terminal of the breaker (14) is connected by the bushing (3) with the steel-cored aluminium strand (2);
The output end of the breaker (14) is connected with the input terminal of the high voltage side current mutual inductor (15);
The output end of the high voltage side current mutual inductor (15) is connected with the input terminal of the high-voltage winding (10).
6. electric power tower high pressure as described in claim 1 takes electricity gas-insulated transformer substation system, which is characterized in that the power transformation
Module (4) further includes overvoltage protective module;
The overvoltage protective module is connected by the bushing (3) with the steel-cored aluminium strand (2);
The output end of the overvoltage protective module is grounded.
7. electric power tower high pressure as claimed in claim 6 takes electricity gas-insulated transformer substation system, which is characterized in that the over-voltage
Protective module uses Zinc-Oxide Arrester (20).
Priority Applications (1)
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CN201820745153.2U CN208127843U (en) | 2018-05-18 | 2018-05-18 | A kind of electric power tower high pressure takes electricity gas-insulated transformer substation system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021074814A1 (en) * | 2019-10-15 | 2021-04-22 | Terna S.P.A. | Tower, particularly for a high-voltage overhead electric transmission line, equipped with switchgear unit and related protection, command and control system |
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2018
- 2018-05-18 CN CN201820745153.2U patent/CN208127843U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021074814A1 (en) * | 2019-10-15 | 2021-04-22 | Terna S.P.A. | Tower, particularly for a high-voltage overhead electric transmission line, equipped with switchgear unit and related protection, command and control system |
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