CN206992498U - Box-type substation and micro-grid system - Google Patents
Box-type substation and micro-grid system Download PDFInfo
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- CN206992498U CN206992498U CN201721009799.6U CN201721009799U CN206992498U CN 206992498 U CN206992498 U CN 206992498U CN 201721009799 U CN201721009799 U CN 201721009799U CN 206992498 U CN206992498 U CN 206992498U
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- 238000010248 power generation Methods 0.000 claims description 23
- 238000004146 energy storage Methods 0.000 claims description 12
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- 230000008859 change Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical group [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model provides a kind of box-type substation and micro-grid system, is related to technical field of electric power, including low voltage incoming line cabinet, low-voltage distribution cabinet and four-quadrant inverter cabinet；The end of incoming cables of low voltage incoming line cabinet is used to connect with the low-voltage alternating-current bus in box-type substation, and the leading-out terminal of low voltage incoming line cabinet connects with the end of incoming cables of low-voltage distribution cabinet；First leading-out terminal of low-voltage distribution cabinet is used to connect with AC load, and the second leading-out terminal of low-voltage distribution cabinet connects with the end of incoming cables of four-quadrant inverter cabinet；The leading-out terminal of four-quadrant inverter cabinet draws dc bus；Wherein, low-voltage alternating-current bus is introduced by the outside of box-type substation, or, drawn by the transformer case for being arranged at box-type substation；Dc bus connected equipment include it is following in one or more：DC load, two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet.The utility model can make application of the box-type substation in micro-grid system more flexible, and preferably improve efficiency.
Description
Technical field
Technical field of electric power is the utility model is related to, more particularly, to a kind of box-type substation and micro-grid system.
Background technology
Micro-grid system (also referred to as micro-capacitance sensor), refers to by distributed new power (photovoltaic or wind-powered electricity generation etc.), energy storage device, energy
The small-sized electric system that amount conversion equipment, supervising device, protection device etc. are collected.With electric power development, micro-grid system
The important component in intelligent grid is turned into, has made energy flow more flexible, it helps lifting energy utilization rate.
Box-type substation has the functions such as transformation, low-voltage distribution as the important component in micro-grid system.Traditional
Box-type substation generally includes high-tension switch gear, transformer and low pressure and is transported to electric installation, and high pressure simply is converted into low pressure simultaneously
It is allocated, application scenarios are more single；And this box-type substation is only used for directed energy flowing, if will be traditional
Box-type substation is applied to micro-grid system, then efficiency is relatively low.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of box-type substation and micro-grid system, can make box
Application of the transformer station in micro-grid system is more flexible, and preferably improves efficiency.
To achieve these goals, the technical scheme that the utility model embodiment uses is as follows：
In a first aspect, the utility model embodiment provides a kind of box-type substation, the box-type substation is applied to microgrid
System, and one group of low-pressure chamber is comprised at least, low-pressure chamber includes low voltage incoming line cabinet, low-voltage distribution cabinet and four-quadrant inverter cabinet；It is low
The end of incoming cables of pressure incoming line cabinet is used to connect with the low-voltage alternating-current bus in box-type substation, the leading-out terminal and low pressure of low voltage incoming line cabinet
The end of incoming cables of power distribution cabinet connects；First leading-out terminal of low-voltage distribution cabinet is used to connect with AC load, and the second of low-voltage distribution cabinet
Leading-out terminal connects with the end of incoming cables of four-quadrant inverter cabinet；The leading-out terminal of four-quadrant inverter cabinet draws dc bus；Wherein, it is low
Ac bus is pressed to be introduced by the outside of box-type substation, or, drawn by the transformer case for being arranged at box-type substation；Direct current is female
Line connected equipment include it is following in one or more：DC load, two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and blower fan
Switch board.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, above-mentioned box-type substation also includes High-voltage Incoming Cabinet, high-voltage metering cubicle and the transformer case being sequentially connected；High-voltage Incoming Cabinet
End of incoming cables is used to connect with the outside high voltage AC bus introduced of box-type substation, the leading-out terminal and high-pressure gauge of High-voltage Incoming Cabinet
The end of incoming cables of amount cabinet connects；The leading-out terminal of high-voltage metering cubicle connects with the end of incoming cables of transformer case；The leading-out terminal of transformer case draws
Go out low-voltage alternating-current bus.
With reference to the first possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Two kinds of possible embodiments, wherein, double transformer with split windings are provided with above-mentioned transformer case, by double transformer with split windings to expand
The mode of unit connection forms symmetrical two groups of low-voltage alternating-current buses.
With reference to second of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Three kinds of possible embodiments, wherein, above-mentioned box-type substation also includes two-way DC/DC discharge and recharges cabinet；Two-way DC/DC discharge and recharges
The end of incoming cables of cabinet is connected with dc bus, and the leading-out terminal of two-way DC/DC discharge and recharges cabinet is used to be connected with charge and discharge electric loading；Wherein,
Charge and discharge electric loading includes electric car and/or energy storage device；The leading-out terminal of two-way DC/DC discharge and recharges cabinet is additionally operable to and DC load phase
Even.
With reference to first aspect or second of first aspect or the third possible embodiment, the utility model embodiment
The 4th kind of possible embodiment of first aspect is provided, wherein, above-mentioned box-type substation also includes photovoltaic switch board；Photovoltaic
The end of incoming cables of switch board is connected with dc bus, and the leading-out terminal of photovoltaic switch board is used to be connected with photovoltaic power generation apparatus.
With reference to first aspect or second of first aspect or the third possible embodiment, the utility model embodiment
The 5th kind of possible embodiment of first aspect is provided, wherein, above-mentioned box-type substation also includes air blower control cabinet；Blower fan
The end of incoming cables of switch board is connected with dc bus and/or low-voltage alternating-current bus, and the leading-out terminal of air blower control cabinet is used to send out with wind-force
Electric installation is connected.
With reference in a first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, its
In, above-mentioned box-type substation includes two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and the air-blower control to connect with dc bus
Cabinet.
With reference to second of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Seven kinds of possible embodiments, wherein, above-mentioned box-type substation includes two groups of low-pressure chambers；The low voltage incoming line cabinet of every group of low-pressure chamber
One group of low-voltage alternating-current bus that end of incoming cables is formed with double transformer with split windings respectively connects.
With reference to the 7th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Eight kinds of possible embodiments, wherein, above-mentioned box-type substation includes respectively connecting with the dc bus that two groups of low-pressure chambers are drawn
Two complete equipments；Per complete equipment include it is following in one or more：Two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and blower fan
Switch board.
Second aspect, the utility model embodiment also provide a kind of micro-grid system, including first aspect is any possible
The box-type substation that embodiment is provided, in addition to connect with box-type substation photovoltaic power generation apparatus, wind power generation plant,
Electric car and energy storage device.
The utility model embodiment provides a kind of box-type substation and micro-grid system, the end of incoming cables of low voltage incoming line cabinet with it is low
Pressure ac bus connects, and the low-voltage alternating-current bus can be introduced or by box change by the outside of box-type substation
The transformer case in power station is drawn；Therefore the box-type substation can have both been applied in the occasion accessed without high pressure and directly to access
Low pressure handled；Can also apply is needing the occasion of high-voltage transforming.In addition, the leading-out terminal of four-quadrant inverter cabinet is drawn
Dc bus connected equipment include DC load, two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet in one
Kind or it is a variety of, can according to practical matter and flexibly from two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet with
The two-way flow of energy is realized, further improves efficiency.
Further, the box-type substation that the utility model embodiment provides can also include High-voltage Incoming Cabinet, high pressure measurement
Cabinet and transformer case, double transformer with split windings are may be provided with the transformer case, and form symmetrical double ac bus, so as to effectively
Reducing the electromagnetic interference between branch road and circulation influences so that the current harmonics of output is smaller, effectively increases the electric energy of output
Quality.
Other feature and advantage of the disclosure will illustrate in the following description, or, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the disclosure can be learnt.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation for the first box-type substation that the utility model embodiment is provided；
Fig. 2 shows the structural representation for second of box-type substation that the utility model embodiment is provided；
Fig. 3 shows the structural representation for the third box-type substation that the utility model embodiment is provided；
Fig. 4 shows the structural representation for the 4th kind of box-type substation that the utility model embodiment is provided；
Fig. 5 shows the structural representation for the 5th kind of box-type substation that the utility model embodiment is provided；
Fig. 6 shows a kind of structural representation for micro-grid system that the utility model embodiment is provided.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
It is more single in view of the box application in substations scene of tradition of the prior art, and efficiency is relatively low,
Preferably it can not apply in micro-grid system.In order to improve above mentioned problem, the utility model embodiment provides a kind of box change
Power station and micro-grid system.The utility model embodiment is described in detail below.
Embodiment one：
The structural representation of the first box-type substation shown in Figure 1, the box-type substation are applied to micro-grid system,
And one group of low-pressure chamber is comprised at least, low-pressure chamber includes low voltage incoming line cabinet 10, low-voltage distribution cabinet 20 and four-quadrant inverter cabinet 30；
The end of incoming cables of low voltage incoming line cabinet 10 is used to connect with the low-voltage alternating-current bus in box-type substation, wherein, low pressure is handed over
Bus is flowed to be introduced by the outside of box-type substation, or, drawn by the transformer case for being arranged at box-type substation；Low voltage incoming line cabinet
10 leading-out terminal connects with the end of incoming cables of low-voltage distribution cabinet 20；First leading-out terminal of low-voltage distribution cabinet 20 is used for and AC load Lac
Connect, the second leading-out terminal of low-voltage distribution cabinet 20 connects with the end of incoming cables of four-quadrant inverter cabinet 30；Four-quadrant inverter cabinet 30
Leading-out terminal draw dc bus；Figure 1 illustrates dc bus simultaneously with DC load Ldc, two-way DC/DC discharge and recharges cabinet
40a, photovoltaic switch board 40b and air blower control cabinet 40c connect.In addition, it is also shown for ac bus and air blower control cabinet 40c phases
Connect.It can include AC- it should be noted that by the inversion rectifying junction combination switch air blower control cabinet 40c that is integrated of control, in it
The double inverters of DC-AC, import to ac bus after the alternating current that wind turbine power generation device generates is handled, can also wrap
AC-DC-DC inversion fairings are included, so that the alternating current inversion of wind turbine power generation device generation is remittance direct current mother after direct current
Line.The corresponding function of air blower control cabinet can be selected during specific implementation according to actual conditions, neatly connects wind turbine power generation device
Enter to ac bus and/or dc bus.In actual applications, High-voltage Incoming Cabinet and high-voltage metering cubicle simultaneously cabinet can assemble, and
It is connected with transformer case by cable；
Wherein, two-way DC/DC discharge and recharges cabinet 40a end of incoming cables is connected with dc bus, two-way DC/DC discharge and recharges cabinet 40a
Leading-out terminal be used for be connected with charge and discharge electric loading；Charge and discharge electric loading includes electric car and/or energy storage device；In addition, two-way DC/DC
Discharge and recharge cabinet 40a leading-out terminal is additionally operable to be connected with DC load.Photovoltaic switch board 40b end of incoming cables is connected with dc bus,
Photovoltaic switch board 40b leading-out terminal is used to be connected with photovoltaic power generation apparatus.Air blower control cabinet 40c end of incoming cables and dc bus and
Ac bus is connected, and air blower control cabinet 40c leading-out terminal is used to be connected with wind power generation plant.In actual applications, due to wind
Power generation device generation is alternating current, for simplicity, air blower control cabinet 40c can be selected only to be connected with ac bus.
In actual applications, dc bus connected equipment can include DC load, two-way DC/DC discharge and recharges cabinet, photovoltaic
One or more in switch board and air blower control cabinet, the practical application of micro-grid system is arranged on according to the box-type substation
And flexibly set.Can also be according to demand and by one kind in two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet
Or a variety of parts for being arranged in box-type substation, turning into box-type substation.
The above-mentioned box-type substation that the utility model embodiment provides, end of incoming cables and the low-voltage alternating-current bus of low voltage incoming line cabinet
Connect, the low-voltage alternating-current bus both can be by the outside introducing of box-type substation or the transformation by box-type substation
Device cabinet is drawn；Therefore the box-type substation can both have been applied in the occasion accessed without high pressure and directly the low pressure of access had been carried out
Processing；Can also apply is needing the occasion of high-voltage transforming.In addition, the dc bus that the leading-out terminal of four-quadrant inverter cabinet is drawn
Connected equipment includes the one or more in DC load, two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet,
Energy flexibly can be realized from two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet according to practical matter
Two-way flow, further improve efficiency.
The first box-type substation shown in above-mentioned Fig. 1 can be directly applied to the occasion without high pressure access.In order that
Box-type substation is applied to the occasion of high-voltage transforming, the structural representation of second of box-type substation shown in Figure 2,
On the basis of Fig. 1, box-type substation can also include High-voltage Incoming Cabinet 50, high-voltage metering cubicle 60 and the transformer being sequentially connected
Cabinet 70；Wherein, transformer case can include breaker, disconnecting switch, current transformer and transformer etc., will not be repeated here.
Wherein, the end of incoming cables of High-voltage Incoming Cabinet 50 is used for the outside high voltage AC bus phase introduced with box-type substation
Connect, the leading-out terminal of High-voltage Incoming Cabinet 50 connects with the end of incoming cables of high-voltage metering cubicle 60；The leading-out terminal and transformation of high-voltage metering cubicle 60
The end of incoming cables of device cabinet 70 connects；The leading-out terminal of transformer case 70 draws low-voltage alternating-current bus.When it is implemented, transformer case with it is low
Press incoming line cabinet to realize by busbar to connect.
Above-mentioned box-type substation adds the high-tension transformation equipments such as High-voltage Incoming Cabinet, high-voltage metering cubicle and transformer case, makes
Obtaining box type transformer can preferably be applied to need the scene for accessing high pressure in micro-grid system.
In order to further lift the quality of power supply, it is preferred that double transformer with split windings are provided with transformer case, are become by double divisions
Depressor forms symmetrical two groups of low-voltage alternating-current buses in a manner of enlarging unit connection.The third box change shown in Figure 3
The structural representation in power station, on the basis of Fig. 2, Fig. 3 is shown draws symmetrical double ac bus by transformer case 70, respectively
For the first low-voltage alternating-current bus and the second low-voltage alternating-current bus, every group of low-voltage alternating-current bus all connects with one group of low-pressure chamber, specifically
, connect with the end of incoming cables of the low voltage incoming line cabinet of low-pressure chamber, the four-quadrant inverter cabinet of every group of low-pressure chamber all draws one group of direct current
Bus, respectively the first dc bus and the second dc bus, wherein, the first low-voltage alternating-current bus and second are shown in Fig. 3
Low-voltage alternating-current bus is all connected to air blower control cabinet 40c, and DC load L is connected in the first dc bus and the second dc busdc、
Two-way DC/DC discharge and recharges cabinet 40a, photovoltaic switch board 40b and air blower control cabinet 40c.This is only a kind of realization of box-type substation
Mode, in actual applications, every group of ac bus can choose whether access air blower control cabinet, and every group of dc bus can select
Connect the one or more in DC load, two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet.First direct current is female
The species of line and the second dc bus connected equipment can be with identical, can also be different.
Above-mentioned box-type substation, by the structural advantage of double transformer with split windings, realizes two using double transformer with split windings
Electrical isolation between inverter, not only reducing the electromagnetic interference between two branch roads and circulation influences, and can make output current harmonics
It is smaller, effectively increase the quality of power supply of output.
The structural representation of 4th kind of box-type substation shown in Figure 4, show a kind of energy of box-type substation
Flow direction, and on the basis of Fig. 3, also illustrate that two-way DC/DC discharge and recharges cabinet 40a includes multiple DC/DC modules, respectively
For with DC load Ldc, electric car 501a and energy storage device 502a connect.Wherein, electric car 501a belongs to a kind of mobile energy storage
Device, the double of energy are realized by the discharge and recharge to electric car its cells under two-way DC/DC discharge and recharges cabinet 40a control
To flowing, both electric energy can be obtained from micro-grid system in not enough power supply, can also be sufficient in electricity, and micro-grid system needs electricity
When can dispatch, electric energy is provided to micro-grid system.Energy storage device similarly can also fill including energy-storage battery etc. in two-way DC/DC
The two-way flow of energy is realized under electric discharge cabinet 40a control by discharge and recharge.Further there is illustrated with photovoltaic switch board 40b phases
Photovoltaic power generation apparatus 50b even, and the wind power generation plant 50c being connected with air blower control cabinet 40c.Photovoltaic power generation apparatus 50b
Generation is alternating current, and the double inversions of AC-DC-AC can be carried out using photovoltaic switch board 40b, the exchange after processing is electrically accessed
To ac bus, AC-DC-DC inversion rectifications, the direct current that will be obtained after processing can also be carried out using photovoltaic switch board 40b
Access to dc bus.The electric energy that box-type substation generates to photovoltaic power generation apparatus and wind power generation plant is handled, there is provided
To micro-grid system, the energy utilization rate of micro-grid system is further improved.
The structural representation of 5th kind of box-type substation shown in Figure 5, including by low voltage incoming line cabinet, low-voltage distribution cabinet
With the low-pressure chamber of four-quadrant inverter cabinet composition, in addition to optional module；In wherein optional module, including by High-voltage Incoming Cabinet,
The high-tension transformation equipment that high-voltage metering cubicle and transformer are formed, in addition to photovoltaic switch board, air blower control cabinet and two-way DC/DC fill
The modules such as electric discharge cabinet.In actual applications, one or more therein can be flexibly selected from optional module.It is that is, box
The internal structure of transformer station can carry out modularization apolegamy according to different form of actual micro-grid system.
For example, it is fashionable without high-voltage connecting in the micro-grid system, then high-pressure section need not be arranged in box-type substation, low pressure is handed over
Stream electricity is directly accessed low voltage incoming line cabinet.When micro-grid system includes wind power generation plant, wind can be increased in box-type substation
Machine switch board.When micro-grid system includes photovoltaic power generation apparatus, photovoltaic switch board can be increased in box-type substation.Work as microgrid
Electric automobile is received to move energy storage end in system, when can carry out energetic interaction by electric car discharge and recharge and electric car, in case
Two-way DC/DC discharge and recharges cabinet can be increased in formula transformer station.Certainly, if in micro-grid system without charging and discharging vehicle demand when, box
Two-way DC/DC discharge and recharges cabinet need not be set in transformer station.
It should be noted that when the transformer in the high-tension transformation equipment of selection is double transformer with split windings, then box change
Power station should include two groups of low-pressure chambers, namely including two low voltage incoming line cabinets, two low-voltage distribution cabinets and two four-quadrant inversions
Device cabinet；What now the box-type substation included being connect by two groups of dc bus that two four-quadrant inverter cabinets are drawn two is arranged
It is standby；Per complete equipment include it is following in one or more：Two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet.
That is, each low-pressure chamber institute carrying device (such as DC load, photovoltaic switch board, air blower control cabinet and two-way DC/DC discharge and recharges cabinet)
Can be with identical, can also be different.
The box-type substation that the present embodiment provides, by the equipment in modular arrangements casing, can make box-type substation
Internal unit increase and decrease is carried out according to micro-grid system actual conditions, so that box-type substation can be flexibly applied in micro-grid system
Different occasions, according to microgrid actual conditions select above-mentioned module, it is possibility to have effect lifting efficiency.
Embodiment two：
Present embodiments provide a kind of micro-grid system, a kind of structural representation of micro-grid system shown in Figure 6, including
Previous embodiment provide any box-type substation 100, in addition to connect with box-type substation photovoltaic power generation apparatus 50b,
Wind power generation plant 50c, electric car 501a and energy storage device 502a.
It is a kind of implementation for micro-grid system that the present embodiment provides above, it is to be understood that micro-grid system can
To there is a variety of implementations, it is all if any micro-grid system and be not provided with wind power generation plant etc., therefore be not construed as limiting.
In addition, micro-grid system can also include the miscellaneous equipments such as supervising device, protection device, for sake of simplicity, not showing that in figure 6.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, the corresponding process in previous embodiment is may be referred to, will not be repeated here.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with the right
The protection domain asked is defined.
Claims (10)
1. a kind of box-type substation, it is characterised in that the box-type substation is applied to micro-grid system, and low including at least one group
Pressure chamber, the low-pressure chamber include low voltage incoming line cabinet, low-voltage distribution cabinet and four-quadrant inverter cabinet；
The end of incoming cables of the low voltage incoming line cabinet is used to connect with the low-voltage alternating-current bus in the box-type substation, and the low pressure is entered
The leading-out terminal of line cabinet connects with the end of incoming cables of the low-voltage distribution cabinet；First leading-out terminal of the low-voltage distribution cabinet is used for exchanging
Load connects, and the second leading-out terminal of the low-voltage distribution cabinet connects with the end of incoming cables of the four-quadrant inverter cabinet；The four-quadrant
The leading-out terminal for limiting inverter cabinet draws dc bus；
Wherein, the low-voltage alternating-current bus is introduced by the outside of the box-type substation, or, by being arranged at the box type transformation
The transformer case stood is drawn；The dc bus connected equipment include it is following in one or more：DC load, two-way DC/
DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet.
2. box-type substation according to claim 1, it is characterised in that the box-type substation also includes what is be sequentially connected
High-voltage Incoming Cabinet, high-voltage metering cubicle and transformer case；
The end of incoming cables of the High-voltage Incoming Cabinet is used to connect with the outside high voltage AC bus introduced of the box-type substation, institute
The leading-out terminal for stating High-voltage Incoming Cabinet connects with the end of incoming cables of the high-voltage metering cubicle；The leading-out terminal of the high-voltage metering cubicle with it is described
The end of incoming cables of transformer case connects；The leading-out terminal of the transformer case draws low-voltage alternating-current bus.
3. box-type substation according to claim 2, it is characterised in that double division transformations are provided with the transformer case
Device, symmetrical two groups of low-voltage alternating-current buses are formed in a manner of enlarging unit connection by double transformer with split windings.
4. box-type substation according to claim 3, it is characterised in that the box-type substation also includes two-way DC/DC
Discharge and recharge cabinet；The end of incoming cables of the two-way DC/DC discharge and recharges cabinet is connected with the dc bus, the two-way DC/DC discharge and recharges
The leading-out terminal of cabinet is used to be connected with charge and discharge electric loading；Wherein, the charge and discharge electric loading includes electric car and/or energy storage device；
The leading-out terminal of the two-way DC/DC discharge and recharges cabinet is additionally operable to be connected with DC load.
5. according to the box-type substation described in claim 1 or 3 or 4, it is characterised in that the box-type substation also includes photovoltaic
Switch board；The end of incoming cables of the photovoltaic switch board is connected with the dc bus, the leading-out terminal of the photovoltaic switch board be used for
Photovoltaic power generation apparatus is connected.
6. according to the box-type substation described in claim 1 or 3 or 4, it is characterised in that the box-type substation also includes blower fan
Switch board；The end of incoming cables of the air blower control cabinet is connected with the dc bus and/or the low-voltage alternating-current bus, the blower fan
The leading-out terminal of switch board is used to be connected with wind power generation plant.
7. box-type substation according to claim 1, it is characterised in that the box-type substation include with the direct current
Two-way DC/DC discharge and recharges cabinet, photovoltaic switch board and the air blower control cabinet that bus connects.
8. box-type substation according to claim 3, it is characterised in that the box-type substation includes low pressure described in two groups
Room；
One group of low pressure that the end of incoming cables of the low voltage incoming line cabinet of low-pressure chamber described in every group is formed with double transformer with split windings respectively is handed over
Stream bus connects.
9. box-type substation according to claim 8, it is characterised in that the box-type substation includes low with described in two groups
Two complete equipments that the dc bus that pressure chamber is drawn connects respectively；Often cover the equipment include it is following in one or more：It is two-way
DC/DC discharge and recharges cabinet, photovoltaic switch board and air blower control cabinet.
A kind of 10. micro-grid system, it is characterised in that including the box-type substation described in claim any one of 1-9, in addition to
Photovoltaic power generation apparatus, wind power generation plant, electric car and the energy storage device that the box-type substation connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721009799.6U CN206992498U (en) | 2017-08-14 | 2017-08-14 | Box-type substation and micro-grid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721009799.6U CN206992498U (en) | 2017-08-14 | 2017-08-14 | Box-type substation and micro-grid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992498U true CN206992498U (en) | 2018-02-09 |
Family
ID=61418574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721009799.6U Withdrawn - After Issue CN206992498U (en) | 2017-08-14 | 2017-08-14 | Box-type substation and micro-grid system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206992498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248700A (en) * | 2017-08-14 | 2017-10-13 | 青岛特来电新能源有限公司 | Box-type substation and micro-grid system |
-
2017
- 2017-08-14 CN CN201721009799.6U patent/CN206992498U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248700A (en) * | 2017-08-14 | 2017-10-13 | 青岛特来电新能源有限公司 | Box-type substation and micro-grid system |
| CN107248700B (en) * | 2017-08-14 | 2023-09-19 | 青岛特来电新能源科技有限公司 | Box-type substation and micro-grid system |
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Address after: 266000 Shandong Province, Qingdao city Laoshan District Songling Road No. 336 Co-patentee after: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee after: Telai New Energy Co.,Ltd. Address before: 266000 Shandong Province, Qingdao city Laoshan District Songling Road No. 336 Co-patentee before: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee before: QINGDAO TELD NEW ENERGY Co.,Ltd. |
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