CN204424772U - Two main transformer four segmentation integrated automation converting stations - Google Patents
Two main transformer four segmentation integrated automation converting stations Download PDFInfo
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- CN204424772U CN204424772U CN201420152866.XU CN201420152866U CN204424772U CN 204424772 U CN204424772 U CN 204424772U CN 201420152866 U CN201420152866 U CN 201420152866U CN 204424772 U CN204424772 U CN 204424772U
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- 230000011218 segmentation Effects 0.000 title claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 230000007935 neutral effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000002431 foraging effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
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- XUERKRUERHBPBL-UHFFFAOYSA-N 2-chloro-7-hydroxy-10,10-dimethyl-7-phenylpyrido[1,2-a]indole-6,8-dione Chemical compound O=C1N2C3=CC=C(Cl)C=C3C(C)(C)C2=CC(=O)C1(O)C1=CC=CC=C1 XUERKRUERHBPBL-UHFFFAOYSA-N 0.000 description 1
- 101150054451 Rtel1 gene Proteins 0.000 description 1
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Abstract
The utility model provides a kind of two main transformer four segmentation integrated automation converting stations, and this transformer station comprises: two-way 35 kilovolts of inlet wires; Two main transformers, its high-pressure side respectively circuit connects two-way 35 kilovolts of inlet wires, exports 10 kilovolts of power supplys through step-down low-pressure end; Four sections of 10 kilovolts of buses of segmentation, its respectively circuit connect the low-pressure end of two main transformers; Capacitor, its circuit is connected to 10 kilovolts of buses; Station local coordinate frame, its circuit is connected to 10 kilovolts of buses.The utility model substituted for aging serious equipment in transformer station, meets the modernization controlling run requirement of modern power network, improves and promotes electricity net safety stable, lifting means operational reliability, promotes electrical network intelligent level; System configuration is simple, can implement in existing transformer station, without the need to newly levying soil, saves cost.
Description
Technical field
The utility model relates to a kind of automating power substation system, is specifically related to a kind of two main transformer four segmentation integrated automation converting stations.
Background technology
The existing old-fashioned transformer station put into operation, 35kV adopts the line-transformer-connection of belt fuser, and 10kV is single busbar connection four section wiring.
Our station normal operating mode is that three 35kV inlet wires supply No. 1, No. 2 respectively, No. 3 main transformers; No. 1 main transformer is for 10kV mono-section of 8 outlet; No. 2 main transformers are for 10kV bis-sections, three sections of each 4 outlets; No. 3 main transformers are for 10kV tetra-sections of 8 outlets.10kV mono-/bis-section of block switch and sectional leading wires are housed between 10kV mono-section and two sections of buses; 10kV tri-/tetra-sections of block switches and sectional leading wires are housed between 10kV tri-sections and four sections of buses; No. 2 main transformers supply 10kV bis-sections, three sections of buses through 10kV lead-in wire respectively by 10kV bis-sections of switches and 10kV tri-sections of switches.Our station current current period No. 1 main transformer and No. 1 capacitor do not put into operation, and in April, 2003, startup puts into operation 10kV mono-section of bus, and 10kV mono-/two-section switch puts into operation simultaneously.
Establish 2 20MVA main transformers in standing, 35/10kV electric pressure, main transformer is DYN11 wiring, and neutral point is through ground resistance earth.3 groups of 3000kvar Capacitor banks are installed in standing and adopt BAM-11/ √ 3-100-1W type capacitor.
35kV switch cubicle is open type, and wherein 35kV circuit breaker is for adopting SW2--35 IV type oil-minimum breaker, and configures CT2-XG II spring operating mechanism.
10kV mono-section of bus-tie circuit breaker cabinet is Changzhou Lan Ling KYN1B-10, and 10kV switch adopts ABB Azipod Oy model VD4.10kV bis-, three, four sections of bus-tie circuit breaker cabinets are the sky, Foochow KYN4A-10, and 10kV switch adopts Tianyu Electric Appliances Co., Ltd., Fuzhou ZN21-12.
Due to historical reasons, existing old Protective Devices for Power includes the PC relay of domestic electromagnetic relay and ABB AB's production.Wherein, main transformer differential relay adopts BCH-1 electromagnetic relay; One/two-section is autotomyed and is adopted the REF543 relay of ABB AB, and what employing was autotomyed in three/tetra-segmentations is ZJ-II electromagnetic relay; 10kV outlet, 10kV capacitor, the protection of 10kV station local coordinate frame adopt DGL series relay and the SPAA 341C2 micromechanical relay of ABB.
Telecontrol equipment uses the DF1331 type RTU (remote terminal unit) (Remote Terminal Unit, RTU) of Dongfang Electronics.Without dispatch data net equipment in standing.
The above these ageing equipment is serious, and operating condition is poor, failure rate is high, has problems in operational reliability and fail safe.
Utility model content
The utility model provides a kind of two main transformer four segmentation integrated automation converting stations, improves the stability of operation of power networks, ensures resident's normal life electricity consumption.
For achieving the above object, the utility model provides a kind of two main transformer four segmentation integrated automation converting stations, and be characterized in, this transformer station comprises:
Two-way 35 kilovolts of inlet wires;
Two main transformers, its high-pressure side respectively circuit connects two-way 35 kilovolts of inlet wires, exports 10 kilovolts of power supplys through step-down low-pressure end;
Four sections of 10 kilovolts of buses of segmentation, its respectively circuit connect the low-pressure end of two main transformers;
Capacitor, its circuit is connected to 10 kilovolts of buses;
Station local coordinate frame, its circuit is connected to 10 kilovolts of buses.
Be connected to a main transformer respectively under the above-mentioned 35 kilovolts of inlet wires of two-way, be connected to four sections of 10 kilovolts of buses of segmentation under two main transformers, on four sections of 10 kilovolts of buses, circuit is connected with capacitor or station local coordinate frame respectively.
Above-mentioned 35 kilovolts of inlet wires are provided with 35 kilovolts of switches.
Above-mentioned 35 kilovolts of switches adopt SF6 circuit breaker, and are configured with spring operating mechanism.
Above-mentioned 10 kilovolts of buses are connected to voltage transformer.
The wiring that above-mentioned 10 kilovolts of buses connect power supply or load is provided with 10 kilovolts of switches.
Above-mentioned 10 kilovolts of switches adopt vacuum circuit-breaker.
The wiring that above-mentioned 10 kilovolts of buses connect power supply or load is provided with current transformer.
Above-mentioned main transformer neutral point ground connection, this neutral ground form adopts low resistance grounding.
Every section of above-mentioned 10 kilovolts of buses are provided with one group of pressure to become and lightning arrester.
The utility model two main transformer four segmentation integrated automation converting station compared to the prior art, its advantage is, the utility model substituted for aging serious equipment in transformer station, meet the modernization controlling run requirement of modern power network, improve and promote electricity net safety stable, lifting means operational reliability, promotes electrical network intelligent level;
The utility model system configuration is simple, can implement in existing transformer station, without the need to newly levying soil, saves cost.
Accompanying drawing explanation
Fig. 1 is the system circuit diagram of the utility model two main transformer four segmentation integrated automation converting station.
Embodiment
Below in conjunction with accompanying drawing, further illustrate specific embodiment of the utility model.
As shown in Figure 1, be the systematic schematic diagram of a kind of two main transformer four segmentation integrated automation converting stations disclosed in the utility model, this transformer station includes two-way 35 kilovolts of inlet wires 1, and 35 kilovolts, every road inlet wire is connected to 35 kilovolts of switches 3 for 1 time.Each 35 kilovolts of inlet wires 1 are connected to a main transformer respectively by its 35 kilovolts of switch 3 circuit.Be separately positioned in two-way 35 kilovolts of inlet wires 1 10 kilovolts of switch gear rooms that two the 35 kilovolts of switches that generate heat all are positioned at transformer station's building, these 35 kilovolts of switches adopt SF6 circuit breaker, and are configured with spring operating mechanism, for being communicated with or disconnecting inlet wire.
Main transformer employing model is the 35kV/10kV transformer of SZ7-20000, and two main transformers under two-way 35 kilovolts of inlet wires 1 lay respectively in discrete transformer chamber of two, transformer station.The high-pressure side circuit of each main transformer is connected to 35 kilovolts of switches 3 on the inlet wire 1 of 35 kilovolts, its place, and changes respective 35kV primary voltage into 10kV and exported by low-pressure end, and main transformer neutral point ground connection, Contact patch is low resistance grounding.
In the present embodiment, the main transformer under two-way 35 kilovolts of inlet wire 1 Zhong mono-35 kilovolts, tunnel inlet wires 1 is respectively the first main transformer 21 and the second main transformer 22.The low-pressure end circuit of the first main transformer 21 is connected with three ends, 10 kilovolts of buses of segmentation and is its power supply, and three 10 kilovolts, end buses are respectively the one 10 kilovolt of bus the 51, the 2 10 kilovolt of bus 52 and the 3 10 kilovolt of bus 53.The low-pressure end circuit of the second main transformer 22 under the inlet wire 1 of 35 kilovolts, another road is connected with one section of the 4 10 kilovolt of bus 54, and is its power supply.
One 10 kilovolt of bus 51 of the first main transformer 21 times segmentations is connected to two capacitors 7, the 2 10 kilovolt of bus 52 and the 3 10 kilovolt of bus 53 are connected to a capacitor 7 or a station local coordinate frame 6 respectively.Second main transformer 22 times is only connected with one article of the 4 10 kilovolt of bus 54, the 4 10 kilovolt of bus 54 is connected to simultaneously a capacitor 7 and a station local coordinate frame 6.
Known by above-described embodiment, under the low-pressure end of every platform main transformer can circuit be connected with segmentation some 10 kilovolts of buses or only circuit be connected with one section of 10 kilovolts of bus.Be connected to capacitor 7 and station local coordinate frame 6 under every platform main transformer simultaneously, and any 10 kilovolts of bus can be connected with a capacitor 7 and/or a station local coordinate frame 6 by circuit.
Capacitor 7 model is LQZBJ-10, and each group capacitor 7 of transformer substation system is arranged in each capacitor chamber respectively, is connected to each self-corresponding 10 kilovolts of buses respectively by cable.In this enforcement, two 35 kilovolts of inlet wires are respectively equipped with a group capacitor 1 time, and every group capacitor all adopts Y-Y connection Y-Y, play inactive power compensation.
Station local coordinate frame 6 model is SCL-63KVA, and it is connected to 10 kilovolts of buses respectively by cable, and the station local coordinate frame that station local coordinate frame 6 body is installed on transformer station is indoor, plays as bed rearrangement transformer station provides the effect of power supply.
Each section 10 kilovolts of buses are all also provided with one group of pressure to become and lightning arrester.This group pressure change and lightning arrester lay respectively in each pressure change/lightning arrester cabinet in 10kV switch gear room, and pressure becomes voltmeter in station provides indicative function, and lightning arrester plays lightning protection effect.
Every section of 10 kilovolts of buses go back circuit and is connected with voltage transformer 8, its model adopts JDZJ-10.
Preferably, be connected between power end (main transformer) and load (station local coordinate frame 6, capacitor 7, pressure become and lightning arrester) thereof at 10 kilovolts of buses and stube cable is all provided with 10 kilovolts of switches 4, these 10 kilovolts of switches 4 adopt 10 kilovolts of voltage switchgears, all 10 kilovolts of switches are all positioned at 10kV switch gear room, all adopt vacuum circuit-breaker, each switch can be communicated with or disconnect corresponding outlet.10 kilovolts of optional ZN-10 of switch 4 model.
In concrete use, this station has outlet switch 16,2, capacitor 10 kilovolts of switches, block switch 2,2, station local coordinate frame 10 kilovolts of switches.
Preferably, be connected between power end (main transformer) and load thereof (station local coordinate frame 6, capacitor 7, pressure become and lightning arrester) at 10 kilovolts of buses stube cable is also provided with the current transformer 9 that model is LCJ-10.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (10)
1. two main transformer four segmentation integrated automation converting stations, it is characterized in that, this transformer station comprises:
Two-way 35 kilovolts of inlet wires (1);
Two main transformers, its high-pressure side respectively circuit connects two-way 35 kilovolts of inlet wires (1), exports 10 kilovolts of power supplys through step-down low-pressure end;
Four sections of 10 kilovolts of buses of segmentation, its respectively circuit connect the low-pressure end of two described main transformers;
Capacitor (7), its circuit is connected to described 10 kilovolts of buses;
Station local coordinate frame (6), its circuit is connected to described 10 kilovolts of buses.
2. two main transformer four segmentation integrated automation converting stations as claimed in claim 1, it is characterized in that, a main transformer is connected to respectively under 35 kilovolts of inlet wires (1) described in two-way, be connected to four sections of 10 kilovolts of buses of segmentation under two main transformers, on four sections of 10 kilovolts of buses, circuit is connected with capacitor (7) or station local coordinate frame (6) respectively.
3. two main transformer four segmentation integrated automation converting stations as claimed in claim 1, is characterized in that, described 35 kilovolts of inlet wires (1) are provided with 35 kilovolts of switches (3).
4. two main transformer four segmentation integrated automation converting stations as claimed in claim 3, is characterized in that, described 35 kilovolts of switches (3) adopt SF6 circuit breaker, and are configured with spring operating mechanism.
5. two main transformer four segmentation integrated automation converting stations as claimed in claim 1, is characterized in that, described 10 kilovolts of buses are connected to voltage transformer (8).
6. as two main transformer four segmentation integrated automation converting stations in claim 1 to 5 as described in any one claim, it is characterized in that, the wiring that described 10 kilovolts of buses connect power supply or load is provided with 10 kilovolts of switches (4).
7. two main transformer four segmentation integrated automation converting stations as claimed in claim 5, is characterized in that, described 10 kilovolts of switches (4) adopt vacuum circuit-breaker.
8. as two main transformer four segmentation integrated automation converting stations in claim 1 to 5 as described in any one claim, it is characterized in that, the wiring that described 10 kilovolts of buses connect power supply or load is provided with current transformer (9).
9. two main transformer four segmentation integrated automation converting stations as claimed in claim 1, is characterized in that, described main transformer neutral point ground connection, and this neutral ground form adopts low resistance grounding.
10. two main transformer four segmentation integrated automation converting stations as claimed in claim 1, is characterized in that, every section of described 10 kilovolts of buses are provided with one group of pressure and become and lightning arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152866.XU CN204424772U (en) | 2014-03-31 | 2014-03-31 | Two main transformer four segmentation integrated automation converting stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152866.XU CN204424772U (en) | 2014-03-31 | 2014-03-31 | Two main transformer four segmentation integrated automation converting stations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204424772U true CN204424772U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420152866.XU Expired - Lifetime CN204424772U (en) | 2014-03-31 | 2014-03-31 | Two main transformer four segmentation integrated automation converting stations |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840388A (en) * | 2014-03-31 | 2014-06-04 | 国网上海市电力公司 | Four-segmentation comprehensive automation transformer substation with two main transformers |
| CN113412345A (en) * | 2018-12-20 | 2021-09-17 | Hps家庭电源解决方案有限公司 | Energy system and method for pipeline pressure monitoring |
-
2014
- 2014-03-31 CN CN201420152866.XU patent/CN204424772U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840388A (en) * | 2014-03-31 | 2014-06-04 | 国网上海市电力公司 | Four-segmentation comprehensive automation transformer substation with two main transformers |
| CN113412345A (en) * | 2018-12-20 | 2021-09-17 | Hps家庭电源解决方案有限公司 | Energy system and method for pipeline pressure monitoring |
| CN113412345B (en) * | 2018-12-20 | 2024-05-03 | Hps家庭电源解决方案股份公司 | Energy system and method for pipeline pressure monitoring |
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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: 20150624 |
|
| CX01 | Expiry of patent term |