CN208904646U - A kind of Transformer Substation Lightning Protection protective device - Google Patents
A kind of Transformer Substation Lightning Protection protective device Download PDFInfo
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- CN208904646U CN208904646U CN201821500322.2U CN201821500322U CN208904646U CN 208904646 U CN208904646 U CN 208904646U CN 201821500322 U CN201821500322 U CN 201821500322U CN 208904646 U CN208904646 U CN 208904646U
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- transformer
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Abstract
The utility model discloses a kind of Transformer Substation Lightning Protection protective devices; including 110kV framework and arrester group; wherein arrester group includes framework arrester group and independent arrester group; framework arrester group is arranged on 110kV framework; and independent arrester group is arranged on the outside of 110kV framework; by the setting of the different location of two groups of arrester groups, effectively substation can be avoided to be struck by lightning, guarantee that the equipment of substation will not be by broken by lightning.
Description
Technical field
The utility model relates to electrical equipment technical field, especially a kind of Transformer Substation Lightning Protection protective device.
Background technique
Substation, which refers in electric system, converts voltage and current, receives electric energy and distributes the place of electric energy, and one
As include primary substation and step-down substation, either its core of primary substation or step-down substation all includes transformation
Device, transformer convert voltage, are conducive to transmit, after wherein the boosted transformer of voltage increases, it is possible to reduce circuit damage
Consumption, improves the economy of power transmission, achievees the purpose that remote power transmission；And step-down transformer can become high voltage needed for user
It is at different levels use voltage, meet customer need.
But the protection equipment of existing substation is not provided with good defencive function, needs to change substation
It is kind.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of Transformer Substation Lightning Protection protective devices, in power transformation
It is provided with lightning rod on the 110KV framework stood, while being additionally provided with other independent lightning rods, good lightning protection can be played
Effect.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of Transformer Substation Lightning Protection protective device, the lightning rod group including 110kV framework and for preventing lightning stroke are described to keep away
Thunder needle group includes independent lightning rod group and the framework lightning rod group being arranged on 110kV framework, and the independent lightning rod group is set
It sets on the outside of 110kV framework.
Further, the independent lightning rod group includes the lightning rod of two 30m long.
Further, the framework lightning rod group includes the lightning rod of two 25m long.
It further, further include 10kV framework and the main transformer for being converted to voltage, the main transformer is set
Set between 110kV framework and 10kV framework, the 110kV framework include 110kV outgoing line side, the side main transformer 110kV and
110kV main bus-bar, the 10kV framework include 10kV main bus-bar.
It further, further include the Zinc-Oxide Arrester imported the energy of Lightning Incoming Wave in ground, the zinc oxide is lightning-arrest
Device is separately positioned on 110kV outgoing line side, the side main transformer 110kV, 110kV main bus-bar, 10kV main bus-bar and main transformer neutral point
Place.
Further, further include disconnecting switch for isolation voltage, the disconnecting switch setting in main transformer neutral point,
The disconnecting switch is double-column horizontal single break formula disconnecting switch.
It further, further include arc suppression coil, the arc suppression coil is arranged on 10kV main bus-bar.
Further, the capacity of the arc suppression coil is 400 kilovars.
The beneficial effects of the utility model are: a kind of Transformer Substation Lightning Protection protective device that the utility model uses, by setting
Two groups of lightning rod groups are set, wherein one group of lightning rod group is arranged on 110kV framework, another set is independently arranged, can be effective
Substation is prevented to be struck by lightning.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of structure chart of Transformer Substation Lightning Protection protective device of the utility model.
Specific embodiment
Referring to Fig.1, a kind of Transformer Substation Lightning Protection protective device of the utility model, including 110kV framework 1 and lightning rod group,
Wherein lightning rod group includes framework lightning rod group 3 and independent lightning rod group 2, and framework lightning rod group 3 is arranged on 110kV framework 1,
And independent lightning rod group 2 is arranged in 1 outside of 110kV framework, independent lightning rod group 2 includes the lightning rod of two 30m long, and framework is kept away
Thunder needle group 3 includes the lightning rod of two 25m long, and four lightning rods are arranged in total and protect as direct lightning strike for whole station, can be effective
It prevents substation to be struck by lightning, protects the stabilization of substation equipment and power supply.
The Transformer Substation Lightning Protection protective device of the utility model further includes 10kV framework 4 and for rising to input voltage
Pressure or the main transformer 5 of decompression, main transformer 5 is arranged between 110kV framework 1 and 10kV framework 4, and 110kV framework 1 includes
110kV outgoing line side 11, the side main transformer 110kV 12 and 110kV main bus-bar 13,10kV framework 4 include 10kV main bus-bar 41, wherein
110kV main bus-bar 13 and 10kV main bus-bar 41 are using the mode of connection of single busbar breaker segmentation, used open circuit
Device is using porcelain knob single port SF6 breaker.
The anti-lightning ability of a kind of Transformer Substation Lightning Protection protective device of the utility model in order to better improve, this is practical new
Type is provided with multiple Zinc-Oxide Arresters 8 also on 110kV framework 1 and 10kV framework 4, can be by the energy of Lightning Incoming Wave
It imports in ground, prevents Lightning Incoming Wave from damaging to the equipment of substation, and Zinc-Oxide Arrester 8 is specifically located at 110kV
Outgoing line side 11, the side main transformer 110kV 12, at 5 neutral point of 110kV main bus-bar 13,10kV main bus-bar 41 and main transformer, zinc oxide
Arrester 8 can be used as thunder intrusion protection.
The utility model is provided with disconnecting switch 6 at 5 neutral point of main transformer simultaneously, and can be according to the actual situation
Selectivity ground connection, for need to substation carry out repair and maintenance when can switch voltage, prevent staff from getting an electric shock, and every
Leave 6 selection of pass is double-column horizontal single break formula disconnecting switch.
Specifically, according to code requirement 10kV be not directly connected generator system and the 35kV and 66kV that are not directly grounded
System, when capacitance current is more than 10A steel reinforced concrete pole or metallic rod tower overhead transmission line or 30A cable run, Ying Caiyong extinguishing arc
7 earthed system of coil, so the 10kV main bus-bar 41 of the utility model uses 7 earthing mode of arc suppression coil, arc suppression coil 7 is arranged
On 10kV main bus-bar 41, and select the capacity of arc suppression coil 7 for 400 kilovars (kvar).
Specifically, current transformer and voltage transformer, electric current are additionally provided on 110kV framework 1 and 10kV framework 4
The working principle of mutual inductor is similar with transformer, it becomes to scale the high current of high voltage installation and bus for instrument
Table, relay protection and the low current that uses of control equipment, and voltage transformer by high voltage in proportion relation transformation at 100V or
The standard secondary voltage of more inferior grade is used for protection, metering, metering device, while voltage transformer can be by high pressure and electricity
Gas staff isolation.
The current transformer of the utility model selects outdoor dry type mutual inductor, and voltage transformer is using outdoor capacitive battery
Press mutual inductor.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (8)
1. a kind of Transformer Substation Lightning Protection protective device, it is characterised in that: including 110kV framework (1) and for preventing keeping away for lightning stroke
Thunder needle group, the lightning rod group include the framework lightning rod group of independent lightning rod group (2) and setting on 110kV framework (1)
(3), independent lightning rod group (2) setting is on the outside of 110kV framework (1).
2. a kind of Transformer Substation Lightning Protection protective device according to claim 1, it is characterised in that: the independent lightning rod group
(2) include two 30m long lightning rod.
3. a kind of Transformer Substation Lightning Protection protective device according to claim 1, it is characterised in that: the framework lightning rod group
(3) include two 25m long lightning rod.
4. a kind of Transformer Substation Lightning Protection protective device according to claim 1, it is characterised in that: further include 10kV framework (4)
And the main transformer (5) for being converted to voltage, the main transformer (5) are arranged in 110kV framework (1) and 10kV
Between framework (4), the 110kV framework (1) includes 110kV outgoing line side (11), the side main transformer 110kV (12) and the main mother of 110kV
Line (13), the 10kV framework (4) include 10kV main bus-bar (41).
5. a kind of Transformer Substation Lightning Protection protective device according to claim 4, it is characterised in that: further include by Lightning Incoming Wave
Energy import ground in Zinc-Oxide Arrester (8), the Zinc-Oxide Arrester (8) be separately positioned on 110kV outgoing line side (11),
At the side main transformer 110kV (12), 110kV main bus-bar (13), 10kV main bus-bar (41) and main transformer (5) neutral point.
6. a kind of Transformer Substation Lightning Protection protective device according to claim 4, it is characterised in that: further include for isolation voltage
Disconnecting switch (6), in main transformer (5) neutral point, the disconnecting switch (6) is twin columns water for the disconnecting switch (6) setting
Flat single break formula disconnecting switch.
7. a kind of Transformer Substation Lightning Protection protective device according to claim 4, it is characterised in that: it further include arc suppression coil (7),
The arc suppression coil (7) is arranged on 10kV main bus-bar (41).
8. a kind of Transformer Substation Lightning Protection protective device according to claim 7, it is characterised in that: the arc suppression coil (7)
Capacity is 400 kilovars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500322.2U CN208904646U (en) | 2018-09-10 | 2018-09-10 | A kind of Transformer Substation Lightning Protection protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500322.2U CN208904646U (en) | 2018-09-10 | 2018-09-10 | A kind of Transformer Substation Lightning Protection protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904646U true CN208904646U (en) | 2019-05-24 |
Family
ID=66572308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500322.2U Active CN208904646U (en) | 2018-09-10 | 2018-09-10 | A kind of Transformer Substation Lightning Protection protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067987A (en) * | 2020-09-16 | 2020-12-11 | 广东电网有限责任公司电力科学研究院 | Method and device for judging breaker fracture breakdown under continuous lightning stroke |
-
2018
- 2018-09-10 CN CN201821500322.2U patent/CN208904646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067987A (en) * | 2020-09-16 | 2020-12-11 | 广东电网有限责任公司电力科学研究院 | Method and device for judging breaker fracture breakdown under continuous lightning stroke |
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