CN206481271U - A kind of photovoltaic generating system - Google Patents
A kind of photovoltaic generating system Download PDFInfo
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- CN206481271U CN206481271U CN201621180090.8U CN201621180090U CN206481271U CN 206481271 U CN206481271 U CN 206481271U CN 201621180090 U CN201621180090 U CN 201621180090U CN 206481271 U CN206481271 U CN 206481271U
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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
Abstract
The utility model discloses a kind of photovoltaic generating system, inverter and box type transformer are carried out integrated, inverter unit and transformer unit is set to be located in a computer room, two single rooms need not be built and place inverter and box type transformer respectively, reduce the cable usage amount between two equipment, and part lightning protection device is reduced, equipment cost and difficulty of construction are reduced, the system Construction time is shortened；Make it is integrated after inverter unit and transformer unit share a supervising device, that is central controller, when central controller, which detects any one in inverter unit and transformer unit, to break down, central controller in time can thread off combined electrical apparatus, make inverter unit and transformer unit while in off-position, so as to ensure that the safety of inverter unit and transformer unit.
Description
Technical field
The utility model is related to power equipment system, more particularly to a kind of photovoltaic generating system.
Background technology
In recent years, the concern for environmental problem promotes the whole world installation using the photovoltaic generating system of generating by solar,
Equipped with the large-sized solar power plant throughout world various regions of large-scale photovoltaic electricity generation system.
As shown in fig.1, in existing photovoltaic generating system, producing direct current by photovoltaic module, and direct current is passed through
Three-phase alternating current cable transmission is to inverter；The direct current received is converted into input AC electricity by inverter, and this is inputted
Alternating current transmission is to box type transformer；The input AC electricity received is converted into middle pressure alternating current transmission extremely by box type transformer
Power network.Wherein, inverter input side and outlet side include breaker, in order to be controlled to inverter, meanwhile, it is box to become
Depressor input side also includes breaker, in order to be controlled to box type transformer；Also filled in inverter comprising monitoring inverter
Put, be monitored for the state to inverter；Temperature controller is also included in box type transformer, observing and controlling subelement, and data are adopted
Storage, is monitored for the state to box type transformer；And based on engineering safety requirement, input side and output in inverter
Side includes lightning protection device, further, and lightning protection device is also included in the input side and outlet side of box type transformer.
In actual applications, it is necessary to which respectively inverter and box type transformer build a room for including concrete foundation
Between, i.e. inverter is put into inverter room, box type transformer is put into box type transformer by inverter room and box type transformer room
Fang Zhong, and under normal circumstances, inverter room and box type transformer room is are disposed adjacent, and distance is 5 meters to 10 meters.
As can be seen here, part needed for existing photovoltaic generating system is present is more, and construction cost is high, builds complexity height, if
The problem of standby set-up time is long.
Utility model content
The utility model embodiment provides a kind of photovoltaic generating system, to solve the presence of construction cost in the prior art
Height, builds complexity height, the problem of equipment set-up time is long.
The concrete technical scheme that the utility model embodiment is provided is as follows：
First aspect is there is provided a kind of photovoltaic generating system, including photovoltaic module, inverter unit, transformer unit, and
Central controller, wherein：The photovoltaic module is connected with the inverter unit；The inverter unit includes the first lightning protection
Device, breaker, AC/DC conversion subunit；Wherein, the breaker and the input of the AC/DC conversion subunit
Side is connected, and first lightning protection device is connected with the input side of the AC/DC conversion subunit；The transformer list
Member includes two-winding transformer, and combined electrical apparatus；Wherein, the input side of the two-winding transformer and the AC/DC
The outlet side of conversion subunit is connected, and the outlet side of the two-winding transformer is connected with the combined electrical apparatus；In described
Entreat controller respectively with the breaker, the AC/DC conversion subunit, the two-winding transformer, and described group
Close electrical equipment to be connected, the state parameter for obtaining the AC/DC conversion subunit, and obtain the double winding transformation
The relevant parameter of device, and the state parameter and the two-winding transformer of the AC/DC conversion subunit according to acquisition
Relevant parameter, control the breaker or the combined electrical apparatus to thread off.
With reference in a first aspect, in the first possible implementation, the system also includes display device, the display
Device is connected with the central controller, the data for the central controller transmission to be presented, and is controlled to the center
Device sends instruction.
With reference in a first aspect, or in the first possible implementation of first aspect, second it is possible realize
In mode, the combined electrical apparatus includes fuse, on-load switch, the second lightning protection device, and disconnecting switch；Wherein, described second
Lightning protection device is connected with the combined electrical apparatus input side, and the fuse is connected with the outlet side of the two-winding transformer.
With reference to second of possible implementation of first aspect, in the third possible implementation, the center control
Device processed includes electrical equipment control subelement, digital processing subelement, the first communication subelement, the second communication subelement, and signal
Gather subelement；Wherein, the digital processing subelement respectively with signal acquisition subelement, electrical equipment control subelement, first lead to
News subelement and the second communication subelement are connected, for receiving the two-winding transformer that signal acquisition subelement is gathered
The state parameter for the AC/DC conversion subunit that relevant parameter and the first communication subelement are sent, and according to institute
The information that the first communication subelement and the second communication subelement are sent is stated, the data are handled, generation electrical equipment control refers to
Order and data processed result, electrical equipment control instruction is sent to the electrical equipment control subelement, and by the data
Reason result is sent to the described first communication subelement, and the relevant parameter of the two-winding transformer, the AC/DC are changed
The state parameter of subelement and the data processed result are sent to the described second communication subelement.
With reference to second of possible implementation of first aspect, in the 4th kind of possible implementation, the photovoltaic hair
Electric system also includes power station centralized control center, and the power station centralized control center is connected with the central controller, described for receiving
The data are analyzed and sent with generating analysis instruction to the central controller by the data of central controller collection, with
And send other control instructions to the central controller.
With reference to second of possible implementation of first aspect, in the 5th kind of possible implementation, the photovoltaic hair
Electric system also includes power network, and the power network is connected with the disconnecting switch in the combined electrical apparatus.
With reference to second of possible implementation of first aspect, in the 6th kind of possible implementation, the photovoltaic hair
Electric system also includes disconnecting switch, and described disconnecting switch one end connects the outlet side of the AC/DC conversion subunit, described
The other end of disconnecting switch connects the input side of the two-winding transformer.
In the utility model embodiment, photovoltaic generating system includes photovoltaic module, inverter unit and transformer unit, with
And central controller；Inverter unit only includes the first lightning protection device, breaker, and AC/DC conversion subunit；Transformation
Device unit includes two-winding transformer, and combined electrical apparatus；The central controller is used to obtain AC/DC conversion
The state parameter of unit, and the relevant parameter of the two-winding transformer is obtained, and turned according to the AC/DC of acquisition
The state parameter of subelement and the relevant parameter of the two-winding transformer are changed, the breaker or the combined electrical apparatus is controlled
Thread off.Technical solutions of the utility model are used, in a first aspect, inverter and box type transformer progress is integrated, make inverter list
Member and transformer unit are located in a computer room, and inverter and box-type transformation are placed respectively without two single rooms are built
Device, reduces the cable usage amount between two equipment, reduces equipment investment cost and difficulty of construction, shorten system Construction
Time；Second aspect, inverter and transformer are integrated into after an equipment, it is only necessary to equipment input side after the integration and defeated
Go out side and one lightning protection device is respectively installed, save the lightning protection device of inverter unit outlet side and transformer unit input side, protecting
Demonstrate,prove on the basis of photovoltaic generating system security performance, reduce further system equipment cost of investment, when shortening system installation
Between；The third aspect, make it is integrated after inverter unit and transformer unit share a supervising device, i.e. central controller, when
When central controller detects the failure of any one in inverter unit and transformer unit, central controller can be timely
Combined electrical apparatus is threaded off, makes inverter unit and transformer unit while in off-position, so as to ensure that inverter unit
With the safety of transformer unit；Meanwhile, it is integrated after photovoltaic generating system, only by a central controller can simultaneously to inverse
Become device unit and transformer unit is monitored, without data acquisition device, monitoring inverter device and measurement and control unit, maximum journey
The problem of simplifying photovoltaic power generating system device redundancy of degree, operability is stronger.
Brief description of the drawings
Fig. 1 is photovoltaic power generation system structure schematic diagram one in the prior art；
Fig. 2 is photovoltaic power generation system structure schematic diagram one in the utility model embodiment；
Fig. 3 is the central controller structural representation in photovoltaic generating system in the utility model embodiment；
Fig. 4 is photovoltaic power generation system structure schematic diagram two in the utility model embodiment；
Fig. 5 is photovoltaic generating system control flow chart in the utility model embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
The utility model is preferred embodiment described in detail below in conjunction with the accompanying drawings.
Embodiment one
As shown in fig.2, being photovoltaic power generation system structure schematic diagram in the utility model embodiment；In the photovoltaic generation system
In system, comprising photovoltaic module 10, inverter unit 11, transformer unit 12, central controller 13, the middle pressure in power network or power station
System 14, and power station centralized control center 15.
It is using above-mentioned technical proposal, inverter and transformer progress is integrated, even if inverter unit and transformer unit
In a computer room, inverter and box type transformer are placed respectively without two single rooms are built, two is reduced and sets
Cable usage amount between standby, reduces construction cost and difficulty of construction, effectively shortens the system Construction time.
In the photovoltaic generating system shown in Fig. 2, photovoltaic module 10 is connected with inverter unit 11, for producing direct current
Electricity；Inverter unit 11 is connected with transformer unit 12, and the direct current for photovoltaic module 10 to be produced is converted to exchange
Electricity；Transformer unit 12 is connected with power network or the medium voltage network in power station 14, for the exchange for generating inverter unit 11
Electricity carries out pressure regulation processing, and middle pressure alternating current is converted to by low-voltage AC；The inverter unit 11 and inverter unit 12 are equal
There is annexation with the central controller 13, the central controller 13 is used to obtain inverter unit 11 and transformer
All relevant parameters of unit 12, and according to the corresponding instruction of relevant parameter generation, control the He of inverter unit 11
The relevant action of transformer unit 12, and according to the instruction of staff, generate corresponding control instruction and send to inverter
Unit 11 and transformer unit 12；Power station centralized control center 15 is connected with the central controller 13, for obtaining inverter list
All relevant parameters of member 11 and transformer unit 12, and according to the corresponding instruction of relevant parameter generation, and according to work
The instruction of personnel, generates corresponding control instruction and sends to central controller 13.Optionally, the relevant parameter is included but not limited
In the state parameter of the state parameter of the inverter unit 11, and the transformer unit 12, the state parameter can be
Magnitude of voltage, current value, temperature value, phase current values, line voltage value etc.；Relevant action is including but not limited to dropout transformer unit 12
In combined electrical apparatus, or the breaker in the inverter unit 11 of threading off.Specifically：
The inverter unit 11 includes the first lightning protection device 110, breaker 111, AC/DC conversion subunit 112；Its
In, the breaker 111 is connected with the input side of the AC/DC conversion subunit 112, for disconnecting photovoltaic module 10
With the connection between inverter unit 11；First lightning protection device 110 and the input of the AC/DC conversion subunit 112
Side is connected；The AC/DC conversion subunit 112 includes DC filter, inverter bridge, alternating current filter, and exchange
Contactor.
The transformer unit 12 includes two-winding transformer 120, and combined electrical apparatus 121；Wherein, the double winding becomes
The input side of depressor 120 is connected with the outlet side of the AC/DC conversion subunit 112, the two-winding transformer 120
Outlet side be connected with the combined electrical apparatus 121, the low-voltage AC for inverter unit 11 to be generated is converted to middle pressure
Alternating current.
The central controller 13 respectively with the breaker 111, the AC/DC conversion subunit 112 is described double
Winding transformer 120, and the combined electrical apparatus 121 are connected, for obtaining the AC/DC conversion subunit 112
State parameter, and the relevant parameter of the two-winding transformer 120 is obtained, and changed according to the AC/DC of acquisition
The relevant parameter of the state parameter of subelement 112 and the two-winding transformer 120, controls the breaker 111 or described
Combined electrical apparatus 121 is threaded off.
Optionally, the photovoltaic generating system also includes display device 16, and the display device 16 is controlled with the center
Device 13 is connected, and for the data that the central controller 13 is transmitted, and the information inputted according to user to be presented, generation is corresponding
Instruction, and send the instruction to the central controller 13.
Further, the combined electrical apparatus 121 include fuse 1210, on-load switch 1211, the second lightning protection device 1212, with
And disconnecting switch 1213；Wherein, second lightning protection device 1212 is connected with the input side of combined electrical apparatus 121, the fusing
Device 1210 is connected with the outlet side of the two-winding transformer 120.
Optionally, while combined electrical apparatus 121 switches to trip status, the combined electrical apparatus 121 can switch to itself
The information of trip status is converted to status signal, and the status signal is sent to the central controller 13.
Compared in the existing photovoltaic generating system shown in Fig. 1, consider for engineering safety, it is necessary in inverter computer room
The mode of arrester is respectively mounted with transformer computer room, using the utility model embodiment technical scheme, by inverter and transformation
Device is integrated into after an equipment, can only need equipment input side and outlet side after the integration respectively to install a lightning protection device i.e.
Can, the lightning protection device of inverter unit outlet side and transformer unit input side is saved, is ensureing photovoltaic generating system security performance
On the basis of, system installation cost is reduce further, the system set-up time is shortened.
Further, the power network or the medium voltage network in power station 14 and the disconnecting switch 1213 in the combined electrical apparatus 121
It is connected.
Optionally, as shown in fig.3, the central controller 13 includes electrical equipment control subelement 130, digital processing is single
Member 131, the first communication subelement 132, the second communication subelement 133, and signal acquisition subelement 134；Wherein, the numeral
Subelement 131 and signal acquisition subelement 134 are handled, electrical equipment control subelement 130, the first communication subelement 132 and second leads to
News subelement 133 is connected, the related ginseng of the two-winding transformer 120 for receiving the collection of signal acquisition subelement 134
The state parameter for the AC/DC conversion subunit 112 that number and the described first communication subelement 132 are sent, and according to institute
The information that the first communication subelement 132 and the second communication subelement 133 are sent is stated, the data are handled, electrical equipment is generated
Control instruction and data processed result, electrical equipment control instruction is sent to the electrical equipment control subelement 130, and by institute
Data processed result is stated to send to the described first communication subelement 132, by the relevant parameter of the two-winding transformer 120, institute
The state parameter and the data processed result for stating AC/DC conversion subunit 112 are sent to the described second communication subelement
133。
As shown in fig.4, the photovoltaic generating system also includes disconnecting switch 17, the one end of disconnecting switch 17 connection
The outlet side of the AC/DC conversion subunit 112, the other end of the disconnecting switch 17 connects the two-winding transformer
120 input side.
Compared to the existing photovoltaic generating system shown in Fig. 1, in the utility model embodiment, make it is integrated after inverter list
Member and transformer unit share a supervising device, i.e. central controller, when central controller detects inverter unit and change
In depressor unit any one break down when, central controller in time can thread off combined electrical apparatus, make inverter unit with
Transformer unit is simultaneously in off-position, so as to ensure that the safety of inverter unit and transformer unit；Meanwhile, it is integrated after
Photovoltaic generating system, only by a central controller can simultaneously inverter unit and transformer unit are monitored,
Without data acquisition device, monitoring inverter device and measurement and control unit farthest simplify photovoltaic power generating system device superfluous
Remaining the problem of, operability is stronger.
Embodiment two
Based on the photovoltaic generating system described in embodiment one, as shown in fig.5, photovoltaic generation in the utility model embodiment
System control process, including：
Step 600：The central controller 13 obtains the relevant parameter of the two-winding transformer 120 in real time；When described
When the relevant parameter that central controller 13 detects the two-winding transformer 120 meets preparatory condition, the central controller
The 13 control combined electrical apparatuses 121 are threaded off.
In the utility model embodiment, the relevant parameter of the two-winding transformer 120 includes the two-winding transformer
120 temperature value, the line voltage value of the two-winding transformer 120, the phase current values of the two-winding transformer 120.It is described
The relevant parameter of two-winding transformer 120 meets preparatory condition comprising at least one in following three, the temperature value got
Preset temperature threshold value is reached, the line voltage value got reaches default line voltage threshold value, the phase current values got reach
Default phase current threshold value.
Step 610：The central controller 13 obtains the state parameter of the AC/DC conversion subunit 112 in real time；
When the state parameter that the central controller 13 detects the AC/DC conversion subunit 112 meets failure state conditions
When, the central controller 13 controls the combined electrical apparatus 121 to thread off.
In the utility model embodiment, the state parameter of the AC/DC conversion subunit 112 include the direct current/
The input voltage value of conversion subunit 112 is exchanged, the output voltage values of the AC/DC conversion subunit 112 are described straight
The output current value of the input current value of stream/exchange conversion subunit 112 and the AC/DC conversion subunit 112.It is described
The state parameter of AC/DC conversion subunit 112 meets failure state conditions including at least at least one in following four,
The input voltage value of the AC/DC conversion subunit 112 reaches predeterminated voltage threshold value, AC/DC conversion
The output voltage values of unit 112 reach predeterminated voltage threshold value, the input current value of the AC/DC conversion subunit 112
Predetermined current threshold value is reached, the output current value of the AC/DC conversion subunit 112 reaches predetermined current threshold value.
Further, when the photovoltaic generating system includes display device 16, methods described also includes：The display dress
The data processed result that the 16 receptions central controller 13 is sent is put, and the data processed result is presented；When the display
When device 16 receives the configured information of user's input, according to the corresponding instruction of configured information generation, and by the instruction
Send to the central controller 13.
Further, when the combined electrical apparatus 121 is threaded off, itself can be switched to trip status by combined electrical apparatus 121
Information is converted to status signal, and the status signal is sent to the central controller 13.
In summary, it is in the utility model embodiment, inverter and box type transformer progress is integrated, make inverter unit
It is located at transformer unit in a computer room, inverter and box type transformer is placed respectively without two single rooms are built,
The cable usage amount between two equipment is reduced, construction cost and difficulty of construction is reduced, the system Construction time is shortened；And
And, inverter and transformer are integrated into after an equipment, can only need equipment input side and outlet side after the integration each
One lightning protection device is installed, the lightning protection device of inverter unit outlet side and transformer unit input side is saved, is ensureing photovoltaic
On the basis of electricity generation system security performance, system installation cost is reduce further, the system set-up time is shortened；Further
, make it is integrated after inverter unit and transformer unit share a supervising device, i.e. central controller, work as central controller
When detecting the failure of any one in inverter unit and transformer unit, central controller can be in time by combined electrical apparatus
Thread off, make inverter unit and transformer unit while in off-position, so as to ensure that inverter unit and transformer list
The safety of member；Meanwhile, it is integrated after photovoltaic generating system, only by a central controller can simultaneously to inverter unit and
Transformer unit is monitored, without data acquisition device, and monitoring inverter device and measurement and control unit are farthest simplified
The problem of photovoltaic power generating system device redundancy, operability is stronger.
It should be understood by those skilled in the art that, embodiment of the present utility model can be provided as method, system or computer
Program product.Therefore, the utility model can use complete hardware embodiment, complete software embodiment or combine software and hardware
The form of the embodiment of aspect.Moreover, the utility model can be used wherein includes computer available programs one or more
Implement in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of computer program product.
The utility model is produced with reference to according to the method, equipment (system) and computer program of the utility model embodiment
The flow chart and/or block diagram of product is described.It should be understood that can be in computer program instructions implementation process figure and/or block diagram
Each flow and/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These meters can be provided
Calculation machine programmed instruction is to the place of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices
Manage device to produce a machine so that the instruction for passing through computer or the computing device of other programmable data processing devices is produced
It is raw to be used to realize the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
Device.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although having been described for preferred embodiment of the present utility model, those skilled in the art once know substantially
Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag
Include preferred embodiment and fall into having altered and changing for the utility model scope.
Obviously, those skilled in the art can to the utility model embodiment carry out it is various change and modification without departing from
The spirit and scope of the utility model embodiment.So, if these modifications and variations of the utility model embodiment belong to this
Within the scope of the requirement of utility model right and its equivalent technologies, then the utility model is also intended to exist comprising these changes and modification
It is interior.
Claims (7)
1. a kind of photovoltaic generating system, it is characterised in that including photovoltaic module, inverter unit, transformer unit, and center
Controller, wherein：
The photovoltaic module is connected with the inverter unit；
The inverter unit includes the first lightning protection device, breaker, AC/DC conversion subunit；Wherein, the breaker with
The input side of the AC/DC conversion subunit is connected, first lightning protection device and the AC/DC conversion subunit
Input side be connected；
The transformer unit includes two-winding transformer, and combined electrical apparatus；Wherein, the input side of the two-winding transformer
It is connected with the outlet side of the AC/DC conversion subunit, the outlet side of the two-winding transformer combines electricity with described
Device is connected；
The central controller respectively with the breaker, the AC/DC conversion subunit, the two-winding transformer,
And the combined electrical apparatus is connected, the state parameter for obtaining the AC/DC conversion subunit, and obtain described
The relevant parameter of two-winding transformer, and state parameter according to the AC/DC conversion subunit of acquisition and described double
The relevant parameter of winding transformer, controls the breaker or the combined electrical apparatus to thread off.
2. the system as claimed in claim 1, it is characterised in that the system also includes display device, the display device with
The central controller is connected, and for the data of the central controller transmission to be presented, and is sent to the central controller
Instruction.
3. system as claimed in claim 1 or 2, it is characterised in that the combined electrical apparatus includes fuse, on-load switch, the
Two lightning protection devices, and disconnecting switch；Wherein, second lightning protection device is connected with the combined electrical apparatus input side, the fusing
Device is connected with the outlet side of the two-winding transformer.
4. system as claimed in claim 3, it is characterised in that the central controller includes electrical equipment control subelement, numeral
Handle subelement, the first communication subelement, the second communication subelement, and signal acquisition subelement；Wherein, the digital processing
Subelement is connected with signal acquisition subelement, electrical equipment control subelement, the first communication subelement and the second communication subelement respectively
Connect, for the relevant parameter and the first communication subelement of the two-winding transformer for receiving the collection of signal acquisition subelement
The state parameter of the AC/DC conversion subunit sent, and according to the described first communication subelement and the second communication
Data are handled by the information that unit is sent, and generate electrical equipment control instruction and data result, the electrical equipment control is referred to
Order is sent to the electrical equipment control subelement, and the data processed result is sent to the described first communication subelement, will
The relevant parameter of the two-winding transformer, the state parameter of the AC/DC conversion subunit and the data processing knot
Fruit is sent to the described second communication subelement.
5. system as claimed in claim 3, it is characterised in that the photovoltaic generating system also includes power station centralized control center, institute
State power station centralized control center with the central controller to be connected, the data for receiving the central controller collection, to described
Data are analyzed to be sent to the central controller with generating analysis instruction, and sends other controls to the central controller
System instruction.
6. system as claimed in claim 3, it is characterised in that the photovoltaic generating system also includes power network, the power network with
Disconnecting switch in the combined electrical apparatus is connected.
7. system as claimed in claim 3, it is characterised in that also include in the inverter unit of the photovoltaic generating system every
Leave pass, described disconnecting switch one end connects the outlet side of the AC/DC conversion subunit, the disconnecting switch it is another
The input side of the end connection two-winding transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180090.8U CN206481271U (en) | 2016-11-03 | 2016-11-03 | A kind of photovoltaic generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180090.8U CN206481271U (en) | 2016-11-03 | 2016-11-03 | A kind of photovoltaic generating system |
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| CN206481271U true CN206481271U (en) | 2017-09-08 |
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| CN201621180090.8U Expired - Fee Related CN206481271U (en) | 2016-11-03 | 2016-11-03 | A kind of photovoltaic generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505946A (en) * | 2016-11-03 | 2017-03-15 | 中民新能投资有限公司 | A kind of photovoltaic generating system and its control method |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505946A (en) * | 2016-11-03 | 2017-03-15 | 中民新能投资有限公司 | A kind of photovoltaic generating system and its control method |
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