CN204391537U - Modular transformer substation system - Google Patents
Modular transformer substation system Download PDFInfo
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- CN204391537U CN204391537U CN201420444439.9U CN201420444439U CN204391537U CN 204391537 U CN204391537 U CN 204391537U CN 201420444439 U CN201420444439 U CN 201420444439U CN 204391537 U CN204391537 U CN 204391537U
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Abstract
The utility model provides a kind of modular transformer substation system, wherein, this system comprises: high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted set of modules, wherein, described high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module and in be press-fitted set of modules be split type installation.Adopt the technique scheme that the utility model provides, solve in correlation technique need various electric equipment to disperse transport to erecting bed after carry out long construction period that Installation and Debugging cause and the larger problem of workload, reduce on-the-spot construction and the workload of debugging, shorten the construction period of transformer station.
Description
Technical field
The utility model relates to the communications field, more particularly, relates to a kind of modular transformer substation system.
Background technology
From the construction of domestic 35kV and above transformer station, due to the difference of Regional Economic development, 35kV and above Substation Capacity Scale and mode are had nothing in common with each other.For unified transformer substation construction standard, Unified Device specification, facilitate Bidding Invition, facilitate operation maintenance, increase work efficiency, reduce transformer substation construction and operating cost, State Grid Corporation of China was proposed " State Grid Corporation of China's project of transmitting and converting electricity modular design " (hereinafter referred to as modular design) in December, 2005, in modular design, 35kV and above transformer station are divided into outdoor substation by arrangement, indoor substation and semi-subterranean substation three major types, this Three models is the fundamental mode of present stage transformer substation construction, be applicable to the different places such as rural area, city, after its construction mode is and disperses to transport various electric equipment to scene, carry out Installation and Debugging respectively again, make the site operation cycle longer, workload is larger.
It seems from the development trend of power equipment technology in recent years, transformer substation construction forward prefabrication formula modularization develops, and since 10kV container-type substation puts goods on the market, simple field assembled transformer station form is more and more subject to the favor of user.The trend of present stage 110kV and following distribution is obvious gradually, 35kV and above transformer substation construction quantity get more and more, and simple, reliable, modular transformer substation construction mode fast of building a station will certainly cause the concern of user and become the main flow of transformer substation construction from now on.
For need various electric equipment to disperse in correlation technique transport to erecting bed after carry out long construction period that Installation and Debugging cause and the larger problem of workload, at present effective solution is not yet proposed.
Utility model content
The utility model provides a kind of modular transformer substation system, at least to solve the problem.
According to an aspect of the present utility model, provide a kind of modular transformer substation system, comprise: high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted set of modules, wherein, described high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module and in be press-fitted set of modules be split type installation.
Preferably, described comprehensive automation module by secondary cable respectively with described high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, in be press-fitted set of modules and be connected; Described main transformer module by cable respectively with described high voltage switching module, described Medium voltage switch or circuit breaker model calling; Described Medium voltage switch or circuit breaker module, by cable with described in be press-fitted set of modules and be connected.
Preferably, described high voltage switching module, described main transformer module, described Medium voltage switch or circuit breaker module, described comprehensive automation module, described in be press-fitted set of modules and be positioned at an independently box house respectively, each independently described casing form the casing of described modular transformer substation system.
Preferably, the shell of each independently casing described comprises from the inside to the outside successively: Paper-faced gyp, steelframe structure, reinforcement material, moisture-proof sealing film, insulation material, unsaturated zone, composite insulation boards.
Preferably, described reinforcement material is Europe deals.
Preferably, described composite insulation boards comprises: metallic plate and heat-insulation material.
Preferably, a described cable and/or described secondary cable are totally-enclosed hermetically sealed cable.
Preferably, described high voltage switching module comprise following one of at least: metal armored withdrawal-type switching device, fixed type air insulated switching installation, stationary gas insulated switching installation.
Preferably, described Medium voltage switch or circuit breaker module comprise following one of at least: SVI all insulation totally-enclosed solid insulation switch cabinet, PV-12 metal armoring draw out switchgear.
Pass through the utility model, adopt transformer substation system is divided into high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted set of modules five modules, and the technical scheme of above-mentioned five module partial installations, solve in correlation technique need various electric equipment to disperse transport to erecting bed after carry out long construction period that Installation and Debugging cause and the larger problem of workload, reduce on-the-spot construction and the workload of debugging, shorten the construction period of transformer station.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of the modular transformer substation system according to the utility model embodiment;
Fig. 2 is a structured flowchart again of the modular transformer substation system according to the utility model embodiment;
Fig. 3 is the structural representation of the modular transformer substation system casing according to the utility model embodiment;
Fig. 4 is the overall structure block diagram of the modular transformer substation system according to the utility model preferred embodiment.
Embodiment
Hereinafter also describe the utility model in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
The utility model embodiment provides a kind of modular transformer substation system, and Fig. 1 is the structured flowchart of the modular transformer substation system according to the utility model embodiment, and as shown in Figure 1, this modular transformer substation system 10 comprises:
High voltage switching module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108, in be press-fitted set of modules 110, wherein, high voltage switching module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108 and in be press-fitted set of modules 110 for split type installation.
The above-mentioned modular transformer substation system that the utility model embodiment provides, by traditional transformer substation system is divided into high voltage switching module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108, in be press-fitted set of modules 110 5 modules, and before dispatching from the factory, entirety debugs qualified, whole Transporting, transports scene to.Thus achieve the factorial praluction of transformer station.Transformer station is shortened the production cycle greatly, delivers goods convenient, rapid.
In above-mentioned modular transformer substation system, as shown in Figure 2, comprehensive automation module 108 by secondary cable (being mark in figure) respectively with high voltage switching module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, in be press-fitted set of modules 110 and be connected; Main transformer module 104 is connected with high voltage switching module 102, Medium voltage switch or circuit breaker module 106 respectively by a cable (being mark in figure); Medium voltage switch or circuit breaker module 106, by cable with in be press-fitted set of modules 110 and be connected.
Wherein, high voltage switching module 102: mainly refer to 35KV and above Power entry module in the middle of transformer station, for effects such as high voltage electric energy acceptance, distribution, control or protections in the middle of transformer station;
Main transformer module 104: exactly low-voltage is become high voltage, or high voltage becomes low-voltage.Such as high pressure 35KV is become middle pressure 10KV;
Medium voltage switch or circuit breaker module 106: mainly refer to 10KV Power entry module in the middle of transformer station, for effects such as electric energy acceptance, distribution, control or protections in the middle of transformer station;
Comprehensive automation module 108: the integrated automation of transformation stations is the complex art of multi-specialized property, it is based on microcomputer, achieve the Discussions on Overall Retrofit to the traditional relaying protection of transformer station, control mode, measurement means, communication and management mode, achieve the once change of Regulation, be summed up and can be divided into following several function group: 1. control, function for monitoring; 2. automatic control function; 3. meter meter function; 4. relay protection function; 5. function relevant to relaying protection; 6. interface function; 7. systemic-function;
In be press-fitted set of modules 110: mainly comprise 10KV capacitance arrangement, arc-extinguishing harmonic-eliminating configuration etc., in order to improve the quality of power supply, improve the servicing unit that transformer is exerted oneself.
In order to five modules better realized modular substation divides are transported to erecting bed faster and protect above-mentioned transformer substation system; high voltage switching module 102, main transformer module 104, Medium voltage switch or circuit breaker module 106, comprehensive automation module 108, in be press-fitted set of modules 110 and be positioned at an independently box house respectively, each is casing comprising modules transformer substation system 10 independently.
The casing that the utility model embodiment provides can ensure that casing has outstanding antidetonation, wind resistance, as shown in Figure 3, casing comprises from the inside to the outside successively: Paper-faced gyp 30, steelframe structure 32, reinforcement material 34, moisture-proof sealing film 36, insulation material 38, unsaturated zone 40, composite insulation boards 42, alternatively, reinforcement material 34 can be Europe deals, composite insulation boards 42 can be metal crimp flower face composite insulation boards, and this composite insulation boards 42 comprises: metallic plate and heat-insulation material.
The further improvement of the utility model embodiment to technique scheme is, also Temperature Humidity Sensor is provided with at box house, but when the temperature of described Temperature Humidity Sensor instruction and/or humidity exceed a certain threshold value, initiate alarm signal, further, all video monitoring is installed inside and outside casing, inside plants completes video camera perforate and installation wiring, signal light control wiring, Water immersion detector, Temperature Humidity Sensor, the installation wiring of the equipment such as dual Kam probe, and final formation and secondary device room frequency image monitoring system host interface, whole station frequency image monitoring system is made to become net, become autonomous system, thus the monitoring realized operation and operation inside and outside casing, realize the function of security protection.
In order to the connection making above-mentioned modular transformer substation system convenient and reliable, a cable in above-described embodiment and/or secondary cable are totally-enclosed hermetically sealed cable.
Alternatively, high voltage switching module 102 prefabricate and install is in box house, complete at inside plants scheduling and planning, on-the-spot integral hoisting, it comprise following one of at least: metal armored withdrawal-type switching device, fixed type air insulated switching installation, stationary gas insulated switching installation; Medium voltage switch or circuit breaker module 106 prefabricate and install is in box house, complete in inside plants Installation and Debugging, combine and protect the installation of dispersion group screen, it comprise following one of at least: all insulation totally-enclosed solid insulation switch cabinet (solid switch vacuumbubbles Intelligence, referred to as SVI), PV-12 metal armoring draw out switchgear.
In sum, the utility model embodiment provides a kind of novel intelligent prefabricated modular transformer substation, modular transformer substation is proposed to a kind of new model of transformer substation construction, it be by transformer station 35kV controller switching equipment, 10KV controller switching equipment is prefabricated in the factory completes, and to debug respectively.During in-site installation, each module adopts a cable to connect, and adopt secondary cable and communication line to be connected comprehensive automation module and other module, then entirety debugging is carried out, the construction of transformer station can be completed, adopt this kind of pattern can reduce on-the-spot construction and the workload of debugging, shorten the construction period of transformer station; The overall all insulation of transformer station, hermetically sealed, improve reliability of operation, and coordinate with surrounding environment, easily select building site; Save the floor space of transformer station; Reduce the overall cost of transformer station.
It should be noted that, high pressure involved in high voltage switching module 102 involved by the utility model embodiment, those skilled in the art is understood as 35KV (40.5KV) switch module, Medium voltage switch or circuit breaker module 106, those skilled in the art is understood as 12KV switch module.
Namely it is that first and second equipment of 12kV is supporting by unit that the modular transformer substation system in above-described embodiment can be understood as, and is assembled in switch cubicle.Group screen concentrated by 40.5kV side protective device, high-tension switch cabinet, integrated automation device combined, and is placed in same casing, becomes integrated complete confession power distribution equipment.Without the need to civil engineering in transformer station, floor space reduces greatly.Can realize unattended requirement, investment is reasonable, all complete design, manufacture, installation and the internal electric wiring in factory of 40.5kV, 12kV equipment of transformer station and comprehensive automation system of transformer substation.Before dispatching from the factory, qualified, the whole Transporting of overall debugging, transports scene to.Thus achieve the factorial praluction of transformer station.Transformer station is shortened the production cycle greatly, delivers goods convenient, rapid, the volume of transformer station is less, floor space reduces greatly, have great advantage, installation is convenient.Work on the spot has only needed the construction of transformer station box concrete pedestal.After casing is in place, only need by 12kV cable and 40.5kV side secondary singal access relevant device.Substantially reduce the workload of site operation.
In order to the overall structure of the structure and transformer substation system of better understanding the casing provided in above-described embodiment, be described below in conjunction with preferred embodiment, but do not limit the utility model embodiment, Fig. 4 is the overall structure block diagram of the modular transformer substation system according to the utility model preferred embodiment, as shown in Figure 4:
Require and feature according to domestic power distribution equipment, research and develop the casing of characteristic outdoor substation.This casing outer wall material adopts metal embossing face composite insulation boards---and it is composited by the metal crimp card of outside and heat-insulation material, integrate the multi-functional prefabricated panels of environmental protection, high-strength light, sound-insulating and heat-insulating, water-proof fire-retardant, meeting the developing direction of industrialization, is the renewal product of environmental protection and energy saving decorative product aspect.The basic load-bearing of whole casing forms with the skeleton that high strength shaped steel (I-steel) forms, and ensures that casing has outstanding antidetonation, wind resistance.Whole body of wall is made up of materials such as metal embossing face composite insulation boards, unsaturated zone, moisture-proof sealing film, Europe deals, insulation material, steel construction (thin-walled square tube), Thistle boards.Therefore there is remarkable air-tightness and thermal insulation, effectively can prevent the generation of indoor generation dew condensation phenomenon, more not worry that Long-Time Service can cause casing rotten, there is dust-proof, anticorrosion, moistureproof, fire protecting performance simultaneously.
Body structure:
Antifouling paint requires: waterborne inorganic einc-rich primer 70 ~ 80 μm (zinc content must not lower than 80%), epoxy intermediate coat 70 ~ 80 μm, acrylic acid polyamine finish paint twice 60 ~ 70 μm, dry film gross thickness is not less than 220 μm.Hot dip galvanizing process: require zinc-plated should be even, zinc adhesion amount and thickness requirement: during plating piece thickness <5mm, zinc adhesion amount >=460g/m2, zinc film gross thickness >=65 μm; During plating piece thickness >=5mm, zinc adhesion amount >=610g/m2, zinc film gross thickness >=90 μm.
Body structure feature is as follows:
1) structural design considers wind load, geological process, meets wind resistance (agent structure and building enclosure) and shockproof requirements;
2) structural design considers roofing maintenance load, meets the requirement of upper people's maintenance;
3) casing adopts steel frame form, and internodal connection adopts welding or bolt to connect.All steel beam column take into full account the meteorological condition of this engineering site, take reliable anti-corrosion measure.
4) casing overall structure has enough rigidity and intensity, guarantees indeformable, not damaged in lifting, transport, installation.Prepackage type converting station housing should be able to the effect of withstanding mechanical stress.
5) structural design takes into full account cabinet door window hole weakening the influence to body structure, and correspondingly takes reliable reinforcement measure.
6) casing cladding panel selects metal crimp card, and it is fixed that metope pattern requires with municipal administration, ensures not need change or carry out large-scale maintenance in designed service life.Material meets the following conditions:
7) fire line requires: fire endurance grade secondary, needs to provide the fire resistance test through fire-fighting certification to report simultaneously.
8) life requirement: should adopt an effective measure, improves the durability of casing, postpones the maintenance period of casing, reduces maintenance workload.Service life, requirement reached more than 30 years.
9) rigidity requirement: meet the requirements such as design and lifting, transport, installation.
Box house environment:
Box house provides clean and tidy, a comfortable operational environment.Box house should be able to be effectively rainproof, moistureproof, dust-proof.
Ground: adopt herringbone steel plate plastic-blasting shellac varnish, raw sheet thickness 3mm, spray 2mm plastic cement, plastic cement color adopts grass green, and cable perforating position hole should have tight moistureproof close measure, to prevent condensation from producing, harm device security.
Sidewall and top board: preset cabin thickness of wall body is 100 or 120mm, and employing fibrous plaster is interior trim are fire-retardant rock cotton board in the middle of body of wall.Top board should accomplish waterproof, antiseepage, and should have the waterproof gradient.
Cover plate: need arrange door assembly with hinge and glass in right hand and left flip plate at cable trough place, gap is no more than 1mm, and width is identical with switch cubicle, and securing cover plate bolt should be concordant with ground, channel-section steel fixed by switch cubicle and protection cabinet should 2 ~ 3mm above ground level.
Operating corridor: box house longitudinally establishes operating corridor, corridor is arranged considers cable laying and convenient inspection in conjunction with cable trough.
Lighting: top, corridor arranges normal illumination and emergency lighting facility is maked an inspection tour to facilitate and safeguarded, lighting form, illumination and highly all reach relative national standards, each lighting switch is arranged at doorway place, convenient control, light fixture adopts ceiling type LED lamp, banded uninterrupted, normal illumination and emergence lighting lamp ratio press 3:1; Emergency lighting loop light fixture carries battery module.Switch panel is arranged at convenient operation place, doorway, bottom is liftoff 1.3m, liftoff 0.3m bottom socket, adopts and secretly applies.Light distribution box adopts installation by adhering, quantity one, bottom is liftoff 1.5m.In lighting case, all elements adopt ABB product.
Trough: arrange trough at box house, as the access of the AC line such as air-conditioning, illumination.Box house each cable cabling is attractive in appearance, without obviously exposing vestige; Joint cable adopts aviation plug, joint optical cable to adopt prefabricated optical cable to connect, and meets on-the-spot rapid construction.
Dry fire extinguisher: fire extinguisher is arranged near cleaning door, is convenient to attendant and takes, and suppresses urgent accident;
Ventilation: preset cabin domestic demand arranges accident exhaust blower, select Jiangsu Ke Hui product, fan outlet joins mechanical interlocking blinds, adopts stainless steel.
Supervisory control system: all install video monitoring inside and outside casing, inside plants completes the installation wiring of the equipment such as video camera perforate and installation wiring, signal light control wiring, Water immersion detector, Temperature Humidity Sensor, dual Kam probe and is finally formed and secondary device room frequency image monitoring system host interface, whole station frequency image monitoring system is made to become net, become autonomous system, thus realize, to the monitoring of operation and operation inside and outside casing, realizing the function of security protection.
Service chamber: adopt in casing half built-in to install, quantity one, bottom is liftoff 1.5m.In service chamber, all elements adopt ABB product.
Heating and ventilating equipment: only consider to arrange suspension type industrial air-conditioning, off-premises station is arranged on outdoor isolated footing, and condenser pipe secretly buries near outdoor basis.
Rain pipe is PVC material, and apart from wall 20mm, clip is stainless steel.
The degree of protection of casing: in switch-box, primary equipment adopts solid switch equipment, and the degree of protection of switch cubicle is not less than IP6X.Casing volume degree of protection is not less than IP54X, and the degree of protection of Maintenance and Repair passage is not less than IP3X.
Therefore, the prefabricated box of intelligent prefabricated modular transformer substation has unique structure, can carry interior distribution equipment, makes it to realize prepackage function, whole Transporting, on-the-spot integral hoisting, and has the feature of good looking appearance.
In sum, the utility model embodiment achieves following beneficial effect: it changes the traditional approach of transformer substation construction, reduce on-the-spot construction and the workload of debugging, shorten the construction period of transformer station, promoted comprehensive raising of substation operation level, the technical merit of transformer station and safe and stable operation level are brought up to new level, achieve modularization of product design, the batch production of production process, field erected simplification, meets a station of customer requirement.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. a modular transformer substation system, is characterized in that, comprising: high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, comprehensive automation module, in be press-fitted set of modules, wherein,
Described high voltage switching module, described main transformer module, described Medium voltage switch or circuit breaker module, described comprehensive automation module and described in be press-fitted set of modules be split type installation, wherein, described comprehensive automation module by secondary cable respectively with described high voltage switching module, main transformer module, Medium voltage switch or circuit breaker module, in be press-fitted set of modules and be connected;
Described main transformer module by cable respectively with described high voltage switching module, described Medium voltage switch or circuit breaker model calling;
Described Medium voltage switch or circuit breaker module, by cable with described in be press-fitted set of modules and be connected.
2. system according to claim 1, it is characterized in that, described high voltage switching module, described main transformer module, described Medium voltage switch or circuit breaker module, described comprehensive automation module, described in be press-fitted set of modules and be positioned at an independently box house respectively, each independently described casing form the casing of described modular transformer substation system.
3. system according to claim 2, is characterized in that,
The shell of each independently casing described comprises from the inside to the outside successively: Paper-faced gyp, steelframe structure, reinforcement material, moisture-proof sealing film, insulation material, unsaturated zone, composite insulation boards.
4. system according to claim 3, is characterized in that, described reinforcement material is Europe deals.
5. system according to claim 3, is characterized in that, described composite insulation boards comprises: metallic plate and heat-insulation material.
6. the system according to any one of claim 2-5, is characterized in that, is also provided with Temperature Humidity Sensor at described box house.
7. system according to claim 1, is characterized in that, a described cable and/or described secondary cable are totally-enclosed hermetically sealed cable.
8. the system according to any one of claim 1-5, is characterized in that, described high voltage switching module comprise following one of at least: metal armored withdrawal-type switching device, fixed type air insulated switching installation.
9. the system according to any one of claim 1-5, is characterized in that, described Medium voltage switch or circuit breaker module comprise following one of at least: all insulation totally-enclosed solid insulation switch cabinet, metal armoring draw out switchgear.
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| CN201420444439.9U CN204391537U (en) | 2014-08-07 | 2014-08-07 | Modular transformer substation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112991A (en) * | 2014-08-07 | 2014-10-22 | 北京杰远电气有限公司 | Modular transformer substation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112991A (en) * | 2014-08-07 | 2014-10-22 | 北京杰远电气有限公司 | Modular transformer substation system |
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