CN106602445A - Modularized intelligent mobile transformer station system - Google Patents

Modularized intelligent mobile transformer station system Download PDF

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Publication number
CN106602445A
CN106602445A CN201611072186.7A CN201611072186A CN106602445A CN 106602445 A CN106602445 A CN 106602445A CN 201611072186 A CN201611072186 A CN 201611072186A CN 106602445 A CN106602445 A CN 106602445A
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CN
China
Prior art keywords
cars
intelligent mobile
reactive
distribution
transformer
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.)
Pending
Application number
CN201611072186.7A
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Chinese (zh)
Inventor
孙浩
张伟
张海龙
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
Wuhan NARI Ltd
Original Assignee
State Grid Corp of China SGCC
Wuhan NARI 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, Wuhan NARI Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201611072186.7A priority Critical patent/CN106602445A/en
Publication of CN106602445A publication Critical patent/CN106602445A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00Enclosed substations, e.g. compact substations
    • H02B7/06Distribution substations, e.g. for urban network
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/52Mobile units, e.g. for work sites
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • 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
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10Flexible AC transmission systems [FACTS]

Abstract

The invention relates to a modularized intelligent mobile transformer station system which is characterized by including five function-independent vehicle modules, respectively, a #1 transformer vehicle, a #2 distribution vehicle, a #3 automatic bus transfer vehicle, a #4 reactive compensation vehicle, and a #5 generating vehicle, the modules can be independently used and can be combined to form various power supply solution schemes based on the power grid demand, and the solution schemes include: whole transformer station replacement, switching station replacement, reactive compensation, automatic bus transfer, and generator direct power supply. The system is a comprehensive movable type electric power supply solution scheme adopting modularized design idea, covers the generating, transmission, transformation, and distribution links, can build a comprehensive first-aid repair platform and a new maintenance mode, and improves the reliability and stability of the area power grid.

Description

A kind of modularization intelligent mobile substation system
Technical field
The invention belongs to grid equipment technical field, and in particular to a kind of intelligent mobile transformer station based on modularization idea The mobile substation of system, particularly 110kV and above.
Background technology
Due to developing rapidly for economic construction, the demand of electric power energy is also advanced by leaps and bounds, Jing load often occurs and increases suddenly Plus situation, original power distribution point and capacity cannot meet normal power demands in time, cause some areas electricity consumption lance Shield is projected very much.Mobile substation can solve the present situation of this electricity consumption contradiction.When load is nervous or when being badly in need of transfer load Use can be migrated immediately, can integrally move away again, reach after load is steady Not enough purpose.
Eighties of last century mid-term, the U.S. have occurred as soon as mobile substation, but as quality weight, volume constrain greatly popularization and answer With;In eighties of last century latter stage, because of new technique, new technology, new material development and emerge in large numbers, by the weight and volume of mobile substation significantly Degree is reduced, and mobile substation is progressively developed in terms of Large Copacity and high voltage grade in North America and Europe, has been reached even super Cross the capacity and electric pressure of conventional substation in urban distribution network.At present, the mobile substation majority that China has occurred is mining The low capacity of flame proof, the mobile substation (below 10kV) of low-voltage.With the development and perfection of China's network system, either National energy-saving reduces discharging, meet the requirement of special electricity consumption, or power department is reduced investment outlay, reasonable disposition uses the needs of equipment, Also electricity consumption department to power flexible, quick demand, it is necessary to greatly develop all size, class mobile substation produce Product.
In view of this, it is necessary to provide a kind of modularization intelligent mobile substation system, to meet practical application needs.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of modularization intelligent mobile substation system System, cover send out, it is defeated, become, with links.
To achieve these goals, the technical solution adopted in the present invention is:A kind of modularization intelligent mobile substation system System, it is characterised in that include with standalone feature five vehicle modules, be respectively:No. 1 change electric car, No. 2 distribution trolleys, No. 3 it is standby Car, No. 4 reactive-load compensation cars, No. 5 generator car are hauled oneself willingly into, modules can be used alone, it is also possible to according to electrical network demand combinations shape Into various powering solutions, solution includes following several:
1) replace bed rearrangement transformer station:From No. 1 change electric car and No. 2 distribution trolleys, vehicle moving transformer station is combined as, is replaced Bed rearrangement transformer station;
2) replace switching station:No. 2 distribution trolleys are only selected, replaces 10kV switching stations;
3) take turns transformation:No. 1 distribution trolley is only selected, is used as wheel transformation;
4) reactive-load compensation:From No. 1 change electric car, No. 2 distribution trolleys and No. 4 reactive-load compensation cars, by No. 4 reactive-load compensation cars to moving The electric power system of dynamic transformer station carries out reactive-load compensation;
5) prepared auto restart:From No. 1 change electric car, No. 2 distribution trolleys and No. 3 prepared auto restart cars, ensure important negative by No. 3 prepared auto restart cars The power supply reliability of lotus;
6) the direct electric power system of electromotor:It is from No. 5 generator car and No. 2 distribution trolleys, only to transformer station as emergency power supply Vertical power supply.
Further, described modularization intelligent mobile substation system, it is characterised in that the scale of system is 1 time 110kV inlet wires;Main transformer adopts 1 capacity 20MVA three-phase two-simulation transformer;10kV single bus schemes, outlet 4 times, 1 Stand with change, 1 10kV voltage transformer, while configuring the reactive compensation system of 3000kVA.
Further, described modularization intelligent mobile substation system, it is characterised in that the standalone feature of each module Realize all on the platform trailer of standard, single mode block length is less than or equal to 13 meters, width is less than or equal to 3 meters, is highly less than or equal to It is 4.2 meters, convenient to transport.
Further, described modularization intelligent mobile substation system, it is characterised in that No. 1 change electric car places 110kV Spark gap, HGIS, transformer equipment;Transformator compares 110kV using fixed voltage:10.5kV.
Further, described modularization intelligent mobile substation system, it is characterised in that No. 2 distribution trolleys place 10kV Connection cable and drum between switch cubicle, comprehensive self-protecting device and change electric car and distribution trolley;10kV switch cubicles adopt solid Insulate full sealing switch cabinet, and all charging members and switch are hermetically sealed in an epoxy modeling fat housing.
Further, described modularization intelligent mobile substation system, it is characterised in that No. 3 prepared auto restart cars place solid The alternate power autocast system that state switching switch is constituted;Solid converting switch adopts IGCT and mechanical switch parallel running Mode.
Further, described modularization intelligent mobile substation system, it is characterised in that No. 4 reactive-load compensation cars are placed SVG static var compensation systems;Using a kind of densification tower structure SVG STATCOMs.
Further, described modularization intelligent mobile substation system, it is characterised in that No. 5 generator car place diesel oil Generating set, adopt output voltage for 10kV diesel generating set, realize docking with No. 2 change electric cars, No. 3 prepared auto restart cars.
Compared with prior art, the present invention has following beneficial effect:The modularization intelligent mobile substation of the present invention System, is a kind of comprehensive portable supply of electric power solution of employing modular design method, cover send out, it is defeated, become, with each Individual link.Including:It is portable to become electric car, Mobile distribution car, portable prepared auto restart car, movable type SVG, Mobile power generation vehicle, Can be used for the comprehensive emergency first-aid repair platform of framework, build brand-new O&M maintenance model, improve regional power grid reliability and Stability.
Description of the drawings
Fig. 1 is modularization intelligent mobile substation system totality pie graph.
Fig. 2 is that instead of bed rearrangement transformer station schematic diagram.
Fig. 3 is that instead of switching station's schematic diagram.
Fig. 4 is wheel transformation functional schematic.
Fig. 5 is no-power compensation function schematic diagram.
Fig. 6 is backup power automatic switching function schematic diagram.
Fig. 7 is emergency power supply functional schematic.
Specific embodiment
For a better understanding of the present invention, present disclosure is further elucidated with reference to embodiment, but the present invention Content is not limited solely to the following examples.Those skilled in the art can be made various changes or modifications to the present invention, these The equivalent form of value is equally within the scope of claims listed by the application are limited.
Present design is vehicular 110kV mobile substation, and whole system is using 1 time 110kV inlet wire;Main transformer is adopted With 1 capacity 20MVA three-phase double winding self-cooled zero-load voltage-variable transformer;10kV single bus schemes, 4 times (concrete outlets of outlet Return number to adjust, between 3-6 is returned), 1 station becomes, 1 10kV voltage transformer;Unattended substation is pressed by transformer station Model Design, using intelligent Microcomputer Protection and integrated automatic monitoring system, and is equipped with Active Eyes.Match somebody with somebody simultaneously Standby 3000kVA reactive compensation systems, 400kVA diesel generating sets, prepared auto restart switching switch.
Whole system adopts modular design, 110kV transformer stations various pieces function has been carried out modularity and has been set Meter, takes into account the convenient transport of design philosophy of miniaturized compact.Modules both can be used alone, it is also possible to according to electrical network need Flexible combination is asked to form various powering solutions.110kV power systems are divided into into several standalone features according to difference in functionality Vehicle module, formed 5 modules:No. 1 change electric car, No. 2 distribution trolleys, No. 3 prepared auto restart cars, No. 4 reactive-load compensation cars, No. 5 generatings Car, constitute may be selected, movably cover send out defeated change distribution links comprehensive powering solution.
110kV electric pressures whole system adopts modular design, and 110kV transformer stations various pieces function is entered Modularized design is gone, the standalone feature of each module is realized on the platform trailer of standard, takes into account miniaturized compact and exempt from The design philosophy of maintenance, single mode block length are less than or equal to 13 meters, and width is less than or equal to 3 meters, highly less than or equal to 4.2 meters, convenient Transport.
Armamentarium energy durable, what satisfaction should be able to be typically met as a complete product under actual operating mode All require.High pressure equipment lightweight structure is compact, and weight meets highway utmost transportation administrative provisions with overall dimensions, rationally excellent Change device parameter, reduce weight, reduce volume;All of equipment is easily installed, dismantles and checks.The carrier car of mobile substation Body adopts high-quality steel, and advanced technology, the strict manufacturing are formed.Rationally, dependable performance is easy to operate for complete vehicle structure, It is aesthetic in appearance.
As shown in figure 1, whole system point five functional module is designed.Respectively:
No. 1 change electric car:110kV spark gaps, HGIS, main transformer etc.;
No. 2 distribution trolleys:10kV switch cubicles, comprehensive Self-Protection Subsystem etc.;
No. 3 prepared auto restart cars:Electronic power switch;
No. 4 reactive-load compensation cars:SVG static var compensation systems;
No. 5 generator car:Diesel generating set.
No. 1 change electric car places the equipment such as 110kV spark gaps, HGIS, transformator;Other are characterised by transformator using fixation Voltage ratio 110kV:10.5kV, transformer device structure becomes simple, and reliability is improved, and volume significantly can also reduce;To become Transformer design reduces the work of transformator O&M maintenance into all insulation.
No. 2 distribution trolleys place the connection cable between 10kV switch cubicles, comprehensive Self-Protection Subsystem and change electric car and distribution trolley With drum etc.;It is characterized in that 10kV switch cubicles adopt the full sealing switch cabinet of solid insulation, all charging members and switch are hermetically sealed In an epoxy modeling fat housing, without any gas in housing.Whole switching device does not receive external environment influence, it is ensured that operation can By property and Personal Safety, and realize non-maintaining.
No. 3 prepared auto restart cars place the alternate power autocast system that solid converting switch is constituted;Solid converting switch is adopted With IGCT and the mode of mechanical switch parallel running, when the power supply powered goes wrong (when voltage dip or interruption), (15 milliseconds of switching time) can be switched fast to another road normal power source, it is ensured that sensitive equipment is not received voltage dip or interrupts shadow Ring.
No. 4 reactive-load compensation cars place SVG static var compensation systems;It is (static using a kind of densification tower structure SVG Synchronous compensator), with small volume, convenient for installation and maintenance, electrical insulation properties are good, the advantages of, it is adaptable to internal container is pacified Dress.
No. 5 generator car place diesel generating set.Adopt output voltage for 10kV diesel generating set, realize with No. 2 Become electric car, the docking of No. 3 prepared auto restart cars.
Standard interface technology between the modules of mobile substation, specification define the connection side of all kinds of cables and optical cable Formula, realizes that each functional module is flexible, quick combination application.
The combination application scheme of functions module is as follows:
1) replace bed rearrangement transformer station
As shown in Fig. 2 present design becomes electric car and 2# distribution trolleys from 1#, vehicle moving transformer station, generation are combined as For bed rearrangement transformer station.Whole system adopts 1 time 110kV inlet wire;1 zero-load voltage-variable transformer, capacity is 20MVA;10kV is mono- female Line wiring, 1 back into line, and 4 return back out line, and 1 station becomes, 1 10kV voltage transformer.
2) replace switching station
As shown in figure 3, present design selects 2# distribution trolleys, replace 10kV switching stations.
3) take turns transformation
As shown in figure 4, present design selects 1# distribution trolleys, can use as wheel transformation.
4) reactive-load compensation
As shown in figure 5, present design becomes electric car, 2# distribution trolleys and 4# reactive-load compensation cars, 4# reactive-load compensation cars from 1# Reactive-load compensation is carried out to the electric power system of mobile substation.Can be become according to the voltage of user load, reactive power and power factor Change and throw automatically upper in good time or cut off capacitor bank, the voltage of electrical network, power is returned in the range of the stable requirement of number, realize Load or burden without work the optimal compensation, so as to improve grid voltage quality, gives full play to the efficiency for providing electric equipment, reduces power consumption.
5) prepared auto restart (important load " hot standby ")
As shown in fig. 6, present design becomes electric car, 2# distribution trolleys and 3# prepared auto restart cars from 1#, 3# prepared auto restarts car ensures The power supply reliability of important load.
6) the direct electric power system of electromotor
As shown in fig. 7, present design selects 5# generator car, 2# distribution trolleys, can be independently-powered as emergency power supply.

Claims (8)

1. a kind of modularization intelligent mobile substation system, it is characterised in that include with standalone feature five vehicle modules, It is respectively:No. 1 change electric car, No. 2 distribution trolleys, No. 3 prepared auto restart cars, No. 4 reactive-load compensation cars, No. 5 generator car, modules can be single Solely use, it is also possible to form various powering solutions according to electrical network demand combinations, solution includes following several:
1) replace bed rearrangement transformer station:From No. 1 change electric car and No. 2 distribution trolleys, vehicle moving transformer station is combined as, replaces bed rearrangement Transformer station;
2) replace switching station:No. 2 distribution trolleys are only selected, replaces 10kV switching stations;
3) take turns transformation:No. 1 distribution trolley is only selected, is used as wheel transformation;
4) reactive-load compensation:From No. 1 change electric car, No. 2 distribution trolleys and No. 4 reactive-load compensation cars, by No. 4 reactive-load compensation cars to mobile change The electric power system in power station carries out reactive-load compensation;
5) prepared auto restart:From No. 1 change electric car, No. 2 distribution trolleys and No. 3 prepared auto restart cars, ensure important load by No. 3 prepared auto restart cars Power supply reliability;
6) the direct electric power system of electromotor:From No. 5 generator car and No. 2 distribution trolleys, independently supply to transformer station as emergency power supply Electricity.
2. modularization intelligent mobile substation according to claim 1 system, it is characterised in that the scale of system is 1 time 110kV inlet wires;Main transformer adopts 1 capacity 20MVA three-phase two-simulation transformer;10kV single bus schemes, outlet 4 times, 1 Stand with change, 1 10kV voltage transformer, while configuring the reactive compensation system of 3000kVA.
3. modularization intelligent mobile substation according to claim 1 system, it is characterised in that the independent work(of each module Can realize all on the platform trailer of standard, single mode block length be less than or equal to 13 meters, width be less than or equal to 3 meters, highly less than etc. It is in 4.2 meters, convenient to transport.
4. modularization intelligent mobile substation according to claim 1 and 2 system, it is characterised in that No. 1 change electric car is placed 110kV spark gaps, HGIS, transformer equipment;Transformator compares 110kV using fixed voltage:10.5kV.
5. modularization intelligent mobile substation according to claim 1 and 2 system, it is characterised in that No. 2 distribution trolleys are placed Connection cable and drum between 10kV switch cubicles, comprehensive self-protecting device and change electric car and distribution trolley;10kV switch cubicles are adopted The full sealing switch cabinet of solid insulation, all charging members and switchs hermetically sealed in epoxy modeling fat housing.
6. modularization intelligent mobile substation according to claim 1 and 2 system, it is characterised in that No. 3 prepared auto restart cars are put Put the alternate power autocast system of solid converting switch composition;Solid converting switch adopts IGCT and mechanical switch in parallel The mode of operation.
7. modularization intelligent mobile substation according to claim 1 and 2 system, it is characterised in that No. 4 reactive-load compensation cars Place SVG static var compensation systems;Using a kind of densification tower structure SVG STATCOMs.
8. modularization intelligent mobile substation according to claim 1 and 2 system, it is characterised in that No. 5 generator car are placed Diesel generating set, adopt output voltage for 10kV diesel generating set, realize with No. 2 change electric cars, No. 3 prepared auto restart cars it is right Connect.
CN201611072186.7A 2016-11-29 2016-11-29 Modularized intelligent mobile transformer station system Pending CN106602445A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503526A (en) * 2017-08-15 2017-12-22 国网山西送变电工程公司 The imperfect string enlarging of 500kV transformer stations is complete string power cut construction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08140225A (en) * 1994-11-09 1996-05-31 Hitachi Ltd Transformer station
CN202333541U (en) * 2011-11-22 2012-07-11 江苏精科智能电气股份有限公司 Car-mounted mobile transformer substation
CN103138193A (en) * 2011-11-25 2013-06-05 沈阳昊诚电气股份有限公司 Vehicle-mounted intensive substation
CN206585255U (en) * 2016-11-29 2017-10-24 国家电网公司 A kind of modularization intelligent mobile substation system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08140225A (en) * 1994-11-09 1996-05-31 Hitachi Ltd Transformer station
CN202333541U (en) * 2011-11-22 2012-07-11 江苏精科智能电气股份有限公司 Car-mounted mobile transformer substation
CN103138193A (en) * 2011-11-25 2013-06-05 沈阳昊诚电气股份有限公司 Vehicle-mounted intensive substation
CN206585255U (en) * 2016-11-29 2017-10-24 国家电网公司 A kind of modularization intelligent mobile substation system

Non-Patent Citations (1)

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Title
王颖: "银川电网110kV车载移动式变电站的应用与研究", 《银川电网110KV车载移动式变电站的应用与研究》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503526A (en) * 2017-08-15 2017-12-22 国网山西送变电工程公司 The imperfect string enlarging of 500kV transformer stations is complete string power cut construction method
CN107503526B (en) * 2017-08-15 2019-09-13 国网山西送变电工程有限公司 The imperfect string enlarging of 500kV substation is complete string power cut construction method

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Application publication date: 20170426