CN207021959U - A kind of photovoltaic generating system - Google Patents
A kind of photovoltaic generating system Download PDFInfo
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- CN207021959U CN207021959U CN201720655094.5U CN201720655094U CN207021959U CN 207021959 U CN207021959 U CN 207021959U CN 201720655094 U CN201720655094 U CN 201720655094U CN 207021959 U CN207021959 U CN 207021959U
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- photovoltaic
- optimizer
- group string
- generating system
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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
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Abstract
This application discloses a kind of photovoltaic generating system, including：Power source, inverter and at least one optimizer；Wherein, the power source is connected and/or is formed in parallel by multiple photovoltaic modulies；The power source is connected on the DC side of the inverter；Part photovoltaic module in the power source is configured with the optimizer, and the optimizer is used for the power output for distributing the photovoltaic module of this optimizer rationally.The application realizes the installation number on the premise of ensureing that each photovoltaic module output is consistent, increasing photovoltaic module under MODEL OVER COMPLEX TOPOGRAPHY.
Description
Technical field
Technical field of photovoltaic power generation is the utility model is related to, more specifically to a kind of photovoltaic generating system.
Background technology
Single photovoltaic module output is often not enough to provide actual power demand, it is therefore necessary to which multiple photovoltaic modulies are carried out
Series connection and/or parallel combination meet design requirement.In order that each photovoltaic module is exported unanimously so as to reduce mismatch loss, improve
Generated energy, each photovoltaic module are generally mounted to the place that sunshine is abundant, physical features is flat.But in mountain region, hills, more inclined roofs etc.
The Free Region limited area that under MODEL OVER COMPLEX TOPOGRAPHY, sunshine is abundant, physical features is flat, the photovoltaic module quantity that can now install
It is considerably less.
For example, Fig. 1 shows a kind of more inclined roof photovoltaic generating system mounting means schematic diagrames, to make each photovoltaic group
Part output unanimously so as to reduce mismatch loss, improve generated energy, generally only selects being exposed to the sun in more inclined roofs, that physical features is flat one
Each photovoltaic module is installed in face (B faces as shown in Figure 1), and other faces (A, C face as shown in Figure 1) are uneven due to physical features
It is whole, with B facing to inconsistent or having the reasons such as shadow occlusion and can not utilize, cause the photovoltaic group that can be installed on more inclined roofs
Number of packages amount is considerably less.
Utility model content
In view of this, the utility model provides a kind of photovoltaic generating system, is ensureing each photovoltaic module output one to realize
On the premise of cause, increase the installation number of photovoltaic module under MODEL OVER COMPLEX TOPOGRAPHY.
A kind of photovoltaic generating system, including：Power source, inverter and at least one optimizer；
Wherein, the power source is connected and/or is formed in parallel by multiple photovoltaic modulies；
The power source is connected on the DC side of the inverter；
Part photovoltaic module in the power source is configured with the optimizer, and the optimizer is used to distribute this rationally
The power output of the photovoltaic module of optimizer.
Wherein, the part photovoltaic module includes：It is separately configured the photovoltaic module of an optimizer, and/or with
Other photovoltaic modulies are configured with the photovoltaic module of an optimizer jointly.
Wherein, the power source is formed in parallel by multiple photovoltaic group strings, and the photovoltaic group string is connected by multiple photovoltaic modulies
Form.
Wherein, three classes of the multiple photovoltaic group string point, it is respectively：Interior section photovoltaic module is configured with the photovoltaic of optimizer
Group string, internal whole photovoltaic modulies are each equipped with the photovoltaic group string of optimizer, and internal whole photovoltaic modulies do not configure it is excellent
Change the photovoltaic group string of device.
Wherein, the multiple photovoltaic group string is divided to two classes, is respectively：Interior section photovoltaic module is configured with the photovoltaic of optimizer
Group string, and internal whole photovoltaic modulies are each equipped with the photovoltaic group string of optimizer.
Wherein, the multiple photovoltaic group string is divided to two classes, is respectively：Interior section photovoltaic module is configured with the photovoltaic of optimizer
Group string, and internal whole photovoltaic modulies do not configure the photovoltaic group string of optimizer.
Wherein, the multiple photovoltaic group string is divided to two classes, is respectively：Internal whole photovoltaic modulies are each equipped with the light of optimizer
Volt group string, and internal whole photovoltaic modulies do not configure the photovoltaic group string of optimizer.
Wherein, the multiple photovoltaic group string is the photovoltaic group string that interior section photovoltaic module is configured with optimizer.
Wherein, the inverter is single-phase inverter or three-phase inverter.
It can be seen from the above technical scheme that the utility model is light splitting volt component Configuration in the middle part of photovoltaic generating system
Optimizer, because optimizer can optimize photovoltaic module output, then in face of complicated landforms such as mountain region, hills, more inclined roofs
When, it is only necessary to the photovoltaic module of non-configuration optimization device in the photovoltaic generating system is arranged on to sunshine is abundant, physical features is flat
Region, by the photovoltaic module that optimizer is configured with the photovoltaic generating system be arranged on orographic condition it is poor but still with certain
The region of sunshine, you can ensure that each photovoltaic module output is consistent.It can be seen that the utility model is ensureing that each photovoltaic module output is consistent
On the premise of, the Free Region area under MODEL OVER COMPLEX TOPOGRAPHY is expanded, increases the peace of photovoltaic module under MODEL OVER COMPLEX TOPOGRAPHY
Quantity is filled, it is economic and practical.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of more inclined roof photovoltaic generating system mounting means schematic diagrames disclosed in prior art；
Fig. 2 is a kind of more inclined roof photovoltaic generating system mounting means schematic diagrames disclosed in the utility model；
Fig. 3 is a kind of photovoltaic power generation system structure schematic diagram disclosed in the utility model embodiment；
Fig. 4 is another photovoltaic power generation system structure schematic diagram disclosed in the utility model embodiment；
Fig. 5 is another photovoltaic power generation system structure schematic diagram disclosed in the utility model embodiment；
Fig. 6 is another photovoltaic power generation system structure schematic diagram disclosed in the utility model embodiment；
Fig. 7 is another photovoltaic power generation system structure schematic diagram disclosed in the utility model embodiment.
Embodiment
Inventive concept of the present utility model is：For the part photovoltaic module configuration optimization device in photovoltaic generating system, due to
Optimizer have optimization photovoltaic module output, to photovoltaic module carry out MPPT maximum power point tracking effect, then in face of mountain region,
During the complicated landforms such as hills, more inclined roofs, it is only necessary to pacify the photovoltaic module of non-configuration optimization device in the photovoltaic generating system
Mounted in the region that sunshine is abundant, physical features is flat, the photovoltaic module that optimizer is configured with the photovoltaic generating system is arranged on
Orographic condition is poor but still (such as sunshine is abundant, the region of physical features out-of-flatness, or sunshine is not region with certain sunshine
The flat region of foot, physical features, or sunshine deficiency, the region of physical features out-of-flatness), you can ensure that each photovoltaic module output is consistent.
For example, the utility model is applied to more inclined roofs as shown in Figure 1, can obtain more inclined roofs as shown in Figure 2
Photovoltaic generating system mounting means schematic diagram, it is specially：The photovoltaic module of non-configuration optimization device is installed in B faces, while in A, C face
The photovoltaic module that installation is configured with optimizer (for ease of distinguishing, is configured with the photovoltaic module " photovoltaic module of optimizer in Fig. 2
+ " be identified), it so not only ensure that the output of each photovoltaic module is consistent, and expand more inclined roofs this complicated landform bars
Free Region area under part, increase the installation number of photovoltaic module under MODEL OVER COMPLEX TOPOGRAPHY.In addition in actual installation, B
The photovoltaic module installed on face is typically to select same shape, same size, the photovoltaic module of identical producer, and with the identical elevation angle
Installation；A, the photovoltaic module of C faces installation then can actually utilize area installation different shape, different size, no according to A, C face
Photovoltaic module or the photovoltaic module that is integrated with building roof with producer, the capacity of each optimizer are matched somebody with somebody according to it
The photovoltaic panel put is adapted to.
It can be seen that the utility model need to be only the part photovoltaic module configuration optimization device in photovoltaic generating system, you can establish
A kind of photovoltaic generating system suitable for complicated landforms such as mountain region, hills, more inclined roofs is obtained, it is achieved thereby that ensureing each light
On the premise of lying prostrate component output unanimously, the Free Region face under the MODEL OVER COMPLEX TOPOGRAPHYs such as mountain region, hills, more inclined roofs is expanded
Product, increases the installation number of photovoltaic module under MODEL OVER COMPLEX TOPOGRAPHY, economic and practical.
Conceived based on foregoing invention, the utility model gives following examples.Implement below in conjunction with the utility model
Accompanying drawing in example, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described reality
It is only the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this reality
With novel protected scope.
The utility model embodiment discloses a kind of photovoltaic generating system, including power source, inverter and at least one excellent
Change device, wherein：
The power source is connected and/or is formed in parallel by multiple photovoltaic modulies, specifically：The typical structure of the power source
It is photovoltaic group string or photovoltaic array；The photovoltaic group string is in series by multiple photovoltaic modulies；The photovoltaic array is by multiple institutes
State photovoltaic group string to be formed in parallel, be power source more more massive than the photovoltaic group string；
The power source is connected on the DC side of the inverter, specifically：The inverter can be single-phase inverter,
It can be three-phase inverter；
Part photovoltaic module in the power source is configured with the optimizer, and the optimizer is used to distribute this rationally
The power output of the photovoltaic module of optimizer, specifically：For the part photovoltaic module configuration optimization device when, photovoltaic module with
The corresponding relation of optimizer, can be one-to-one or many-one, that is to say, that the part photovoltaic module includes：It is single
The photovoltaic module of an optimizer is solely configured with, and/or is configured with the photovoltaic group of an optimizer jointly with other photovoltaic modulies
Part.
One has been separately configured by each photovoltaic module in photovoltaic array, the part photovoltaic module of the power source
Exemplified by individual optimizer, the available photovoltaic generating system topological structure provided respectively such as Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, specifically retouch
State as follows.
In photovoltaic generating system as shown in Figure 3, the photovoltaic group string included in the photovoltaic array divides three classes, respectively
It is：The photovoltaic group string that interior section photovoltaic module is configured with optimizer (is the part photovoltaic inside at least one photovoltaic group string
Component Configuration optimizer, this kind of photovoltaic group string hereinafter referred to as mixed connection group), internal whole photovoltaic modulies are each equipped with optimizer
Photovoltaic group string (be at least one photovoltaic group string inside whole photovoltaic modulies be configured with optimizer, this kind of photovoltaic group string
Hereinafter referred to as optimizer group), and the photovoltaic group string that internal whole photovoltaic modulies do not configure optimizer is (as at least one
Whole photovoltaic modulies inside photovoltaic group string do not configure optimizer, this kind of photovoltaic group string hereinafter referred to as photovoltaic panel group).
In photovoltaic generating system as shown in Figure 4, the photovoltaic group string included in the photovoltaic array is divided to two classes, respectively
It is：Mixed connection group and optimizer group.
In photovoltaic generating system as shown in Figure 5, the photovoltaic group string included in the photovoltaic array is divided to two classes, respectively
It is：Mixed connection group and photovoltaic panel group.
In photovoltaic generating system as shown in Figure 6, the photovoltaic group string included in the photovoltaic array is divided to two classes, respectively
It is：Optimizer group and photovoltaic panel group.
In photovoltaic generating system as shown in Figure 7, mixed connection group is only included in the photovoltaic array.
It is obvious that the photovoltaic generating system that Fig. 3~Fig. 7 is provided respectively is to be configured with optimizer for part photovoltaic module,
Meet the design requirement under inventive concept of the present utility model.In addition it should be noted that any light provided in Fig. 3~Fig. 7
In photovoltaic generating system, the number of mixed connection group, the number of photovoltaic panel group, the number of optimizer group are at least one.Fig. 3~Fig. 7
The number of different types of photovoltaic group string is defined to one, only as an example, and not as limitation.
In summary, the utility model is that light splitting lies prostrate component Configuration optimizer in the middle part of photovoltaic generating system, due to optimization
Device can optimize photovoltaic module output, then when in face of complicated landforms such as mountain region, hills, more inclined roofs, it is only necessary to by described in
The photovoltaic module of non-configuration optimization device is arranged on the region that sunshine is abundant, physical features is flat in photovoltaic generating system, by the photovoltaic
Be configured with electricity generation system optimizer photovoltaic module be arranged on orographic condition it is poor but still with certain sunshine region, you can
Ensure that each photovoltaic module output is consistent.It can be seen that the utility model expands on the premise of ensureing that each photovoltaic module output is consistent
Free Region area under MODEL OVER COMPLEX TOPOGRAPHY, the installation number of photovoltaic module under MODEL OVER COMPLEX TOPOGRAPHY is increased, it is very economical
It is practical.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
- A kind of 1. photovoltaic generating system, it is characterised in that including：Power source, inverter and at least one optimizer；Wherein, the power source is connected and/or is formed in parallel by multiple photovoltaic modulies；The power source is connected on the DC side of the inverter；Part photovoltaic module in the power source is configured with the optimizer, and the optimizer is used to distribute this optimization rationally The power output of the photovoltaic module of device.
- 2. photovoltaic generating system according to claim 1, it is characterised in that the part photovoltaic module includes：Individually match somebody with somebody The photovoltaic module of an optimizer is equipped with, and/or is configured with the light of an optimizer jointly with other photovoltaic modulies Lie prostrate component.
- 3. photovoltaic generating system according to claim 2, it is characterised in that the power source is in parallel by multiple photovoltaic group strings Form, the photovoltaic group string is in series by multiple photovoltaic modulies.
- 4. photovoltaic generating system according to claim 3, it is characterised in that three classes of the multiple photovoltaic group string point, respectively It is：Interior section photovoltaic module is configured with the photovoltaic group string of optimizer, and internal whole photovoltaic modulies are each equipped with the light of optimizer Volt group string, and internal whole photovoltaic modulies do not configure the photovoltaic group string of optimizer.
- 5. photovoltaic generating system according to claim 3, it is characterised in that the multiple photovoltaic group string is divided to two classes, respectively It is：Interior section photovoltaic module is configured with the photovoltaic group string of optimizer, and internal whole photovoltaic modulies are each equipped with optimizer Photovoltaic group string.
- 6. photovoltaic generating system according to claim 3, it is characterised in that the multiple photovoltaic group string is divided to two classes, respectively It is：Interior section photovoltaic module is configured with the photovoltaic group string of optimizer, and internal whole photovoltaic modulies do not configure optimizer Photovoltaic group string.
- 7. photovoltaic generating system according to claim 3, it is characterised in that the multiple photovoltaic group string is divided to two classes, respectively It is：Internal whole photovoltaic modulies are each equipped with the photovoltaic group string of optimizer, and internal whole photovoltaic modulies not configuration optimization The photovoltaic group string of device.
- 8. photovoltaic generating system according to claim 3, it is characterised in that the multiple photovoltaic group string is interior section light Volt component Configuration has the photovoltaic group string of optimizer.
- 9. photovoltaic generating system according to claim 1, it is characterised in that the inverter is single-phase inverter or three-phase Inverter.
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| CN201720655094.5U CN207021959U (en) | 2017-06-07 | 2017-06-07 | A kind of photovoltaic generating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539789A (en) * | 2018-05-08 | 2018-09-14 | 阳光电源股份有限公司 | A kind of photovoltaic generating system |
| CN111668868A (en) * | 2020-05-08 | 2020-09-15 | 华为技术有限公司 | Photovoltaic power generation system and method |
-
2017
- 2017-06-07 CN CN201720655094.5U patent/CN207021959U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539789A (en) * | 2018-05-08 | 2018-09-14 | 阳光电源股份有限公司 | A kind of photovoltaic generating system |
| CN111668868A (en) * | 2020-05-08 | 2020-09-15 | 华为技术有限公司 | Photovoltaic power generation system and method |
| WO2021223603A1 (en) * | 2020-05-08 | 2021-11-11 | 华为数字能源技术有限公司 | Photovoltaic power generation system and method |
| EP4138252A4 (en) * | 2020-05-08 | 2023-12-06 | Huawei Digital Power Technologies Co., Ltd. | Photovoltaic power generation system and method |
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