CN106059050B - Outdoor 10kV Switching Stations four supply two available electric systems - Google Patents

Outdoor 10kV Switching Stations four supply two available electric systems Download PDF

Info

Publication number
CN106059050B
CN106059050B CN201610540322.4A CN201610540322A CN106059050B CN 106059050 B CN106059050 B CN 106059050B CN 201610540322 A CN201610540322 A CN 201610540322A CN 106059050 B CN106059050 B CN 106059050B
Authority
CN
China
Prior art keywords
outlets
normally opened
circuit breaker
opened contact
ring main
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.)
Active
Application number
CN201610540322.4A
Other languages
Chinese (zh)
Other versions
CN106059050A (en
Inventor
牛志强
马维忠
王磊
原计宏
邱其君
常晋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610540322.4A priority Critical patent/CN106059050B/en
Publication of CN106059050A publication Critical patent/CN106059050A/en
Application granted granted Critical
Publication of CN106059050B publication Critical patent/CN106059050B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/02Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention belongs to the technical field of electric power system, and in particular to outdoor 10kV Switching Stations four supply two available electric systems;The technical problem of solution is:The problem of one kind can realize city net gridding, more power supplys, high more segmentation height and power supply reliabilities is provided;The technical solution used for:Outdoor 10kV Switching Stations four supply two available electric systems, including 10kV Switching Stations, 110kV first substation, 110 kV second substations and 10kV switching stations, the first ring main unit, the second ring main unit and the 3rd ring main unit are further included, the first inlet-outlet line cabinet and the second inlet-outlet line cabinet are equipped with the 10kV Switching Stations;Suitable for power distribution network.

Description

Outdoor 10kV Switching Stations four supply two available electric systems
Technical field
The invention belongs to the technical field of electric power system, and in particular to outdoor 10kV Switching Stations four supply two available electric systems.
Background technology
At present, city net at county level is by some 10 radial power supplies of KV line single supply mostly, it is impossible to which satisfaction works as electric power Any element in system, such as circuit, transformer or a certain system failure or because failure disconnects, electric system should be able to still be kept Stable operation and the requirement of normal power supply, to the user of power reguirements high reliability, mutually supply even if realizing duplicate supply looped network, but It cannot still meet the power demands of its high reliability.
The content of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is:City can be realized by providing one kind The problem of net gridding, more power supplys, high more segmentation height and power supply reliabilities.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:Outdoor 10kV Switching Stations four supply two availables Electric system, including 10kV Switching Stations, 110kV first substation, 110 kV second substations and 10kV switching stations, further include the first looped network Cabinet, the second ring main unit and the 3rd ring main unit, the 10kV Switching Stations are interior to be equipped with the first inlet-outlet line cabinet and the second inlet-outlet line cabinet;
The normally opened of the normally opened contact Q1.1 of the first inlet-outlet line cabinet breaker Q1 and the second inlet-outlet line cabinet breaker Q2 touches Point Q2.1 is connected, and the normally opened contact Q3.1 of 110kV first substation breakers Q3 is connected with one end of No. 1 outlet, No. 1 outlet it is another One end is connected with the normally opened contact Q2.2 of the second inlet-outlet line cabinet breaker Q2, the normally opened contact of 110kV first substation breakers Q3 Q3.2 is connected with one end of No. 2 outlets, the other end of No. 2 outlets and the normally opened contact Q5.1 phases of the first ring main unit circuit breaker Q 5 Even, the normally opened contact Q5.2 of circuit breaker Q 5 is connected with one end of No. 5 outlets, and the other end and the second ring main unit of No. 5 outlets are breaking The normally opened contact Q6.1 of device Q6 is connected, and the normally opened contact Q5.3 of circuit breaker Q 5 is connected with one end of No. 6 outlets;
The other end of No. 6 outlets is connected with the normally opened contact Q1.2 of the first inlet-outlet line cabinet breaker Q1, circuit breaker Q 1 it is normal One end that contact Q1.3 is opened with No. 3 outlets is connected, and the other end of No. 3 outlets and the normally opened of 110 kV second substation breakers Q4 touch Point Q4.1 is connected, and the normally opened contact Q4.2 of circuit breaker Q 4 is connected with one end of No. 4 outlets, and the other end and the 10kV of No. 4 outlets are opened The normally opened contact Q8.1 for closing institute's circuit breaker Q 8 is connected, and the normally opened contact Q8.2 of circuit breaker Q 8 is connected with one end of No. 7 outlets, No. 7 The other end of outlet is connected with the normally opened contact Q6.2 of circuit breaker Q 6, and the one of the normally opened contact Q8.3 of circuit breaker Q 8 and No. 8 outlets End is connected, and the other end of No. 8 outlets is connected with the normally opened contact Q7.1 of the 3rd looped network cabinet breaker Q7, and the normally opened of circuit breaker Q 7 touches Point Q7.2 is connected with one end of No. 9 outlets, and the other end of No. 9 outlets is connected with the normally opened contact Q2.3 of circuit breaker Q 2.
The normally opened contact Q1.1 of the first inlet-outlet line cabinet breaker Q1 passes through cable and the second inlet-outlet line cabinet breaker Q2 Normally opened contact Q2.1 be connected.
No. 1 outlet, No. 2 outlets, No. 3 outlets, No. 4 outlets, No. 5 outlets, No. 6 outlets, No. 7 outlets, No. 8 outlets and No. 9 outlets are 10kV connecting lines.
First ring main unit, the second ring main unit and the 3rd ring main unit are 10kV ring main units.
The present invention has the advantages that compared with prior art:
The present invention is constructed using 110kV first substation and 110 kV second substations as main power supply, build with cable or Outdoor 10kV Switching Stations that 10kV connecting lines connect, 10kV Shi Nei switching stations, the first ring main unit, the second ring main unit and the 3rd Ring main unit supply network, make substation play shunting load, ring main unit mutually supplies, switching station mutually supplies, the flexible grid of the method for operation Change electric power-feeding structure, improve power supply reliability, fully meet the power demand of client, form strong county town power distribution network.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings;
Fig. 1 is the structure diagram of the present invention;
In figure:1 is 10kV Switching Stations, and 2 be 110kV first substation, and 3 be 110 kV second substations, and 4 be 10kV switching stations, 5 It is the second ring main unit for the first ring main unit, 6,7 be the 3rd ring main unit, and 8 be the first inlet-outlet line cabinet, and 9 be the second inlet-outlet line cabinet, and 10 are Cable, 11 be No. 1 outlet, and 12 be No. 3 outlets, and 13 be No. 2 outlets, and 14 be No. 6 outlets, and 15 be No. 5 outlets, and 16 be No. 7 outlets, 17 be No. 4 outlets, and 18 be No. 8 outlets, and 19 be No. 9 outlets.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer Technical solution be clearly and completely described, it is clear that described embodiment be the present invention part of the embodiment, without It is whole embodiments;Based on the embodiments of the present invention, those of ordinary skill in the art are not before creative work is made All other embodiments obtained are put, belong to the scope of protection of the invention.
As shown in Figure 1, outdoor 10kV Switching Stations four supply two available electric systems, including 10kV Switching Stations 1,110kV first power transformations Stand 2,110 kV second substations 3 and 10kV switching stations 4, further include the first ring main unit 5, the second ring main unit 6 and the 3rd ring main unit 7, It is equipped with the first inlet-outlet line cabinet 8 and the second inlet-outlet line cabinet 9 in the 10kV Switching Stations 1, equivalent to I section busbar of the first inlet-outlet line cabinet 8, Equivalent to II section busbar of second inlet-outlet line cabinet 9;
The normally opened contact Q1.1 of first inlet-outlet line cabinet, 8 circuit breaker Q 1 is normally opened with 9 circuit breaker Q 2 of the second inlet-outlet line cabinet Contact Q2.1 is connected, and the normally opened contact Q3.1 of 2 circuit breaker Q 3 of 110kV first substation is connected with one end of No. 1 outlet 11, and No. 1 goes out The other end of line 11 is connected with the normally opened contact Q2.2 of 9 circuit breaker Q 2 of the second inlet-outlet line cabinet, 2 circuit breaker Q 3 of 110kV first substation Normally opened contact Q3.2 be connected with one end of No. 2 outlets 13,5 circuit breaker Q 5 of the other end and the first ring main unit of No. 2 outlets 13 Normally opened contact Q5.1 is connected, and the normally opened contact Q5.2 of circuit breaker Q 5 is connected with one end of No. 5 outlets 15, No. 5 outlets 15 it is another End is connected with the normally opened contact Q6.1 of 6 circuit breaker Q 6 of the second ring main unit, the normally opened contact Q5.3 of circuit breaker Q 5 and No. 6 outlets 14 One end is connected;
The other end of No. 6 outlets 14 is connected with the normally opened contact Q1.2 of 8 circuit breaker Q 1 of the first inlet-outlet line cabinet, circuit breaker Q 1 Normally opened contact Q1.3 is connected with one end of No. 3 outlets 12,3 circuit breaker Q 4 of the other end and 110 kV second substation of No. 3 outlets 12 Normally opened contact Q4.1 be connected, the normally opened contact Q4.2 of circuit breaker Q 4 is connected with one end of No. 4 outlets 17, No. 4 outlets 17 it is another One end is connected with the normally opened contact Q8.1 of 4 circuit breaker Q 8 of 10kV switching stations, the normally opened contact Q8.2 of circuit breaker Q 8 and No. 7 outlets 16 One end be connected, the other end of No. 7 outlets 16 is connected with the normally opened contact Q6.2 of circuit breaker Q 6, the normally opened contact of circuit breaker Q 8 Q8.3 is connected with one end of No. 8 outlets 18, the normally opened contact of 7 circuit breaker Q 7 of the other end and the 3rd ring main unit of No. 8 outlets 18 Q7.1 is connected, and the normally opened contact Q7.2 of circuit breaker Q 7 is connected with one end of No. 9 outlets 19, the other end and the open circuit of No. 9 outlets 19 The normally opened contact Q2.3 of device Q2 is connected.
The normally opened contact Q1.1 of first inlet-outlet line cabinet, 8 circuit breaker Q 1 passes through the open circuit of 10 and second inlet-outlet line cabinet of cable 9 The normally opened contact Q2.1 of device Q2 is connected.
The outlet 13,3 of No. 1 outlet 11,2 outlet 12,4 outlet 14,7 of outlet 15,6 of outlet 17,5 goes out 16, No. 8 outlets 18 of line and No. 9 outlets 19 are 10kV connecting lines.
First ring main unit 5, the second ring main unit 6 and the 3rd ring main unit 7 are 10kV ring main units.
According to the distribution method of operation, determine that a kind of 110 kV second substation 3 of power supply normal operation mode passes through No. 3 outlets 12 First inlet-outlet line cabinet 8 in into 10kV Switching Stations 1, the first inlet-outlet line cabinet 8 and the second inlet-outlet line cabinet 9 are transported side by side by cable 10 OK, No. 1 outlet 11 enters the second inlet-outlet line cabinet 9, and 9 circuit breaker Q of the second inlet-outlet line cabinet, 2 normally opened contact Q2.2 is in open position, No. 6 outlets 14 enter the first inlet-outlet line cabinet 8 at the same time, and 8 circuit breaker Q of the first inlet-outlet line cabinet, 1 normally opened contact Q1.2 is in open position, I.e. 10kV Switching Stations 1 are by 110 kV second substation, 3 main power supply;
First ring main unit 5 is connected to main power supply, the first ring main unit 5 by 110kV first substation 2 by No. 2 outlets 13 To be powered by No. 5 outlets 15 to the second ring main unit 6,10kV switching stations 4 are connected by No. 7 outlets 16 with the second ring main unit 6, and second The normally opened contact Q6.1 of 6 circuit breaker Q 6 of ring main unit is in open position;
3rd ring main unit 7 is connected to main power supply by 10kV Switching Stations 1 by No. 9 outlets 19, and 10kV switching stations 4 pass through No. 8 outlets 18 are connected with the 3rd ring main unit 7, and the normally opened contact Q7.1 of 7 circuit breaker Q 7 of the 3rd ring main unit is in open position;
10kV switching stations 4 are connected to main power supply by 110 kV second substations 3 by No. 4 outlets 17.
When 1 power supply capacity of 10kV Switching Stations is insufficient for client's workload demand, the first inlet-outlet line in 10kV Switching Stations 1 The I section of busbar and II section of busbar that 8 and second inlet-outlet line cabinet 9 of cabinet represents respectively start partition running, 8 breaker of the first inlet-outlet line cabinet The normally opened contact Q2.1 of 9 circuit breaker Q 2 of normally opened contact Q1.1 and the second inlet-outlet line cabinet of Q1 is in open position, i.e., the first disengaging Line cabinet 8 is powered by No. 3 outlets 12 that 110 kV second substations 3 are connected, and the second inlet-outlet line cabinet 9 is connected by 110kV first substation 2 No. 1 outlet 11 connect is powered;
When No. 1 outlet 11(Or No. 3 outlets 12)When circuit is because of maintenance or fault outage, No. 3 outlets 12 can be used(Or No. 1 Outlet 11)Regular link powers 10kV Switching Stations 1, and the first inlet-outlet line cabinet 8 and the second inlet-outlet line cabinet 9 are transported side by side by cable 10 OK;
When No. 1 outlet 11 and No. 3 12 circuits of outlet are because of maintenance or fault outage, the first ring main unit 5 passes through No. 6 outlets 14 Power to 10kV Switching Stations 1, or the 3rd ring main unit 7 powers 10kV Switching Stations 1 by No. 9 outlets 19,8 He of the first inlet-outlet line cabinet Second inlet-outlet line cabinet 9 passes through 10 paired running of cable;
When No. 2 outlets 13 are overhauled or during fault outage, the first ring main unit 5 supplies 10kV Switching Stations 1 by No. 6 outlets 14 Electricity, but the normally opened contact Q5.2 that No. 5 outlets 15 enter 5 circuit breaker Q 5 of the first ring main unit is in open position;
First ring main unit 5 can mutually be supplied with the second ring main unit 6 by No. 5 outlets 15.
This electric power system passes through 11, No. 2 outlets 13,3 of No. 1 outlet by 110kV first substation 2 and 110 kV second substations 3 Number outlet 12 and No. 4 outlets 17 are to 10kV Switching Stations 1,10kV switching stations 4, the first ring main unit 5, the second ring main unit 6 and tricyclic Net cabinet 7 is powered, and the distribution method of operation has obtained further optimization, and the method for operation is flexible, power supply reliability is high, sharing of load closes Reason, wiring are simply clear, have preliminarily formed the four two available power modes of confession that distribution knob mutually supplies.This electric power system greatly improves Power supply reliability, but it is noted that the wire-outgoing breaker Breaking capacity of the safe carrying capacity of supply line, Switching Station or ring main unit Rated load capacity is must not exceed, and carries out the revision of live operating standard, it is ensured that operate, perform in strict accordance with operating standard, To ensure the safe and reliable of the electric power system.
The present invention is constructed using 110kV first substation and 110 kV second substations as main power supply, build with cable or Outdoor 10kV Switching Stations that 10kV connecting lines connect, 10kV Shi Nei switching stations, the first ring main unit, the second ring main unit and the 3rd Ring main unit supply network, make substation play shunting load, ring main unit mutually supplies, switching station mutually supplies, the flexible grid of the method for operation Change electric power-feeding structure, improve power supply reliability, fully meet the power demand of client, form strong county town power distribution network.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that:Its according to Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (4)

1. 10kV Switching Stations four supply two available electric systems, including 10kV Switching Stations outside Room(1), 110kV first substation(2)、110 KV second substation(3)With 10kV switching stations(4), it is characterised in that:Further include the first ring main unit(5), the second ring main unit(6)With Three ring main units(7), the 10kV Switching Stations(1)Inside it is equipped with the first inlet-outlet line cabinet(8)With the second inlet-outlet line cabinet(9);
The first inlet-outlet line cabinet(8)The normally opened contact Q1.1 of circuit breaker Q 1 and the second inlet-outlet line cabinet(9)Circuit breaker Q 2 it is normally opened Contact Q2.1 is connected, 110kV first substation(2)The normally opened contact Q3.1 of circuit breaker Q 3 and No. 1 outlet(11)One end be connected, 1 Number outlet(11)The other end and the second inlet-outlet line cabinet(9)The normally opened contact Q2.2 of circuit breaker Q 2 is connected, 110kV first substation (2)The normally opened contact Q3.2 of circuit breaker Q 3 and No. 2 outlets(13)One end be connected, No. 2 outlets(13)The other end and the first ring Net cabinet(5)The normally opened contact Q5.1 of circuit breaker Q 5 is connected, the normally opened contact Q5.2 of circuit breaker Q 5 and No. 5 outlets(15)One end phase Even, No. 5 outlets(15)The other end and the second ring main unit(6)The normally opened contact Q6.1 of circuit breaker Q 6 is connected, circuit breaker Q 5 it is normal Open contact Q5.3 and No. 6 outlets(14)One end be connected;
No. 6 outlets(14)The other end and the first inlet-outlet line cabinet(8)The normally opened contact Q1.2 of circuit breaker Q 1 is connected, circuit breaker Q 1 Normally opened contact Q1.3 and No. 3 outlets(12)One end be connected, No. 3 outlets(12)The other end and 110 kV second substations(3)It is disconnected The normally opened contact Q4.1 of road device Q4 is connected, the normally opened contact Q4.2 of circuit breaker Q 4 and No. 4 outlets(17)One end be connected, No. 4 go out Line(17)The other end and 10kV switching stations(4)The normally opened contact Q8.1 of circuit breaker Q 8 is connected, the normally opened contact of circuit breaker Q 8 Q8.2 and No. 7 outlet(16)One end be connected, No. 7 outlets(16)The other end be connected with the normally opened contact Q6.2 of circuit breaker Q 6, The normally opened contact Q8.3 of circuit breaker Q 8 and No. 8 outlets(18)One end be connected, No. 8 outlets(18)The other end and the 3rd ring main unit (7)The normally opened contact Q7.1 of circuit breaker Q 7 is connected, the normally opened contact Q7.2 of circuit breaker Q 7 and No. 9 outlets(19)One end be connected, 9 Number outlet(19)The other end be connected with the normally opened contact Q2.3 of circuit breaker Q 2.
2. outdoor 10kV Switching Stations four according to claim 1 supply two available electric systems, it is characterised in that:Described first into Outgoing line cabinet(8)The normally opened contact Q1.1 of circuit breaker Q 1 passes through cable(10)With the second inlet-outlet line cabinet(9)The normally opened of circuit breaker Q 2 touches Point Q2.1 is connected.
3. outdoor 10kV Switching Stations four according to claim 1 supply two available electric systems, it is characterised in that:Described No. 1 goes out Line(11), No. 2 outlets(13), No. 3 outlets(12), No. 4 outlets(17), No. 5 outlets(15), No. 6 outlets(14), No. 7 outlets (16), No. 8 outlets(18)With No. 9 outlets(19)It is 10kV connecting lines.
4. outdoor 10kV Switching Stations four according to claim 1 supply two available electric systems, it is characterised in that:First ring Net cabinet(5), the second ring main unit(6)With the 3rd ring main unit(7)It is 10kV ring main units.
CN201610540322.4A 2016-07-11 2016-07-11 Outdoor 10kV Switching Stations four supply two available electric systems Active CN106059050B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610540322.4A CN106059050B (en) 2016-07-11 2016-07-11 Outdoor 10kV Switching Stations four supply two available electric systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610540322.4A CN106059050B (en) 2016-07-11 2016-07-11 Outdoor 10kV Switching Stations four supply two available electric systems

Publications (2)

Publication Number Publication Date
CN106059050A CN106059050A (en) 2016-10-26
CN106059050B true CN106059050B (en) 2018-05-01

Family

ID=57186126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610540322.4A Active CN106059050B (en) 2016-07-11 2016-07-11 Outdoor 10kV Switching Stations four supply two available electric systems

Country Status (1)

Country Link
CN (1) CN106059050B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088409B (en) * 2018-09-27 2021-06-04 广东电网有限责任公司广州供电局 Distribution network wiring structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202906560U (en) * 2012-07-05 2013-04-24 山西省电力公司长治供电分公司 10kV ring network power supply system
CN202918045U (en) * 2012-10-22 2013-05-01 山西省电力公司长治供电分公司 10KV three-supply-one-backup ring network power supply system
CN205864047U (en) * 2016-07-11 2017-01-04 国家电网公司 A kind of outdoor 10kV Switching Station four supplies two for electric power system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202906560U (en) * 2012-07-05 2013-04-24 山西省电力公司长治供电分公司 10kV ring network power supply system
CN202918045U (en) * 2012-10-22 2013-05-01 山西省电力公司长治供电分公司 10KV three-supply-one-backup ring network power supply system
CN205864047U (en) * 2016-07-11 2017-01-04 国家电网公司 A kind of outdoor 10kV Switching Station four supplies two for electric power system

Also Published As

Publication number Publication date
CN106059050A (en) 2016-10-26

Similar Documents

Publication Publication Date Title
CN103855713A (en) Power distribution net rack wiring structure
WO2010118584A1 (en) New autotransformer traction power supply system equipped with 2×27.5kv outdoor modularized electric apparatus in electrified railway
CN104113060A (en) Convertible static synchronous series compensator
CN103872682A (en) Switching station feeder line automatic protection method
CN111969585B (en) Traction substation power supply system with three power supplies
CN110120664A (en) A kind of reliable urban power distribution network grid structure of intelligence
CN204732777U (en) A kind of cable line uninterrupted operation system
CN105305431A (en) Snowflake grid type grid construction method suitable for urban medium voltage distribution networks
CN205178525U (en) Asynchronous conversion equipment of high voltage direct current both ends electric wire netting
CN106059050B (en) Outdoor 10kV Switching Stations four supply two available electric systems
CN106998100A (en) A kind of centralized emergency power supply configuration system
CN204067884U (en) A kind of distribution line based on double bus scheme
CN105958354A (en) 110kV/10kV and 110kV/35kV two pre-installed integrated intelligent substations
CN202940470U (en) Double-bus wiring system
CN201134619Y (en) Loop-closed electricity switching device for 10KV distributing network
CN202383231U (en) Undercurrent singlephase earth fault comprehensive line selection system
CN106451462A (en) Method for improving transfer supply capability of substation of power distribution network
CN205864047U (en) A kind of outdoor 10kV Switching Station four supplies two for electric power system
CN203932698U (en) A kind of single busbar connection dual-breaker sectional wiring structure
CN104218460A (en) 220kv side wiring structure of 500kv high capacity transformer station
CN209948370U (en) Bypass node type PT cabinet
CN203813438U (en) Power distribution net rack wiring structure
CN208767849U (en) The offshore boosting station field electricity system of ring connection
CN208257496U (en) Dual-power automatic switching formula heating tape current supply circuit
CN207038382U (en) A kind of improved structure in disconnecting switch electric blocking loop

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Niu Zhiqiang

Inventor after: Ma Weizhong

Inventor after: Wang Lei

Inventor after: Yuan Jihong

Inventor after: Qiu Qijun

Inventor after: Chang Jin

Inventor before: Ma Weizhong

Inventor before: Wang Lei

Inventor before: Yuan Jihong

Inventor before: Qiu Qijun

Inventor before: Chang Jin

GR01 Patent grant
GR01 Patent grant