CN206559137U - Communication base station photovoltaic bipolar electric power system - Google Patents
Communication base station photovoltaic bipolar electric power system Download PDFInfo
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- CN206559137U CN206559137U CN201720290048.XU CN201720290048U CN206559137U CN 206559137 U CN206559137 U CN 206559137U CN 201720290048 U CN201720290048 U CN 201720290048U CN 206559137 U CN206559137 U CN 206559137U
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- output end
- input
- controller
- ammeter
- photovoltaic
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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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- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of communication base station photovoltaic bipolar electric power system, including the first AC ammeter, the second AC ammeter, Switching Power Supply, combining inverter, photovoltaic array, controllable switch components, DC controller, system controller and battery pack；Photovoltaic array is connected load equipment after being on the one hand sequentially connected in series with controllable switch components, combining inverter, the second AC ammeter and Switching Power Supply, on the other hand load equipment is connected after being sequentially connected in series with DC controller and DC meter, battery pack and switch power parallel are in the input of load equipment, the controller on the one hand control signal of connection combining inverter and DC controller, on the other hand connection civil power signal sampling point respectively.The utility model photovoltaic installed capacity is big, can continue as load equipment when civil power is powered off powers.The utility model is applied to power to communication base station load equipment.
Description
Technical field
The utility model belongs to electric power system technical field, for being powered to communication base station load equipment, specifically
A kind of communication base station photovoltaic bipolar electric power system.
Background technology
Current communication base station mostly installs solar energy power generating system additional using DC stacked system or distributed grid-connected system
System.
DC stacked system, photovoltaic can installed capacity it is low, the raised area can only be slatterned, because installation power is limited, civil power
Available electricity is limited during power failure.
Distributed grid-connected system, when grid cut-off, photovoltaic system also stops generating electricity, it is impossible to give communication base station load equipment
Power supply is used.
Therefore, it can also continue the photovoltaic power supply system of power supply when inventing a kind of big photovoltaic installed capacity, mains failure, turn into
Technical problem urgently to be resolved hurrily at present.
The content of the invention
The utility model aims to provide a kind of communication base station photovoltaic bipolar electric power system, to can solve the problem that prior art
Existing above mentioned problem.
To achieve the above object, the technical scheme used is as follows for the utility model：
A kind of communication base station photovoltaic bipolar electric power system, it includes the first AC ammeter, the second AC ammeter, switch electricity
Source, combining inverter, photovoltaic array, controllable switch components, DC controller, system controller and battery pack；
The input connection civil power of first AC ammeter, the output end one side connecting valve electricity of the first AC ammeter
The input in source, the output end on the other hand connecting the second AC ammeter；
The input of second AC ammeter connects the output end of combining inverter；
The input of the combining inverter connects first group of output end of controllable switch components；
Second group of output end of the controllable switch components connects the input of DC controller, and the of controllable switch components
One group of input connects the first output end of photovoltaic array, and the of second group of input connection photovoltaic array of controllable switch components
Two output ends；
The output end connection direct current of the DC controller becomes output end, the control signal input of DC controller
The DC control signal output end of connection system；
The inverter control signal output end of the system controller connects the control signal input of combining inverter, system
City's electric signal input end connection civil power of controller；
The output end of DC meter output end difference connecting valve power supply, the input of battery pack, load equipment
Input.
The utility model as a result of above-mentioned structure, its compared with prior art, acquired technological progress is：
（1）Photovoltaic installed capacity of the present utility model is big；
（2）The utility model can continue as load equipment when civil power is powered off and power；
（3）The utility model energy-conserving and environment-protective.
The utility model is applied to power to communication base station load equipment.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is the electric structure principle chart of the utility model embodiment.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing.It should be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment communication base station photovoltaic bipolar electric power system
A kind of communication base station photovoltaic bipolar electric power system, it includes the first AC ammeter, the second AC ammeter, switch electricity
Source, combining inverter, photovoltaic array, controllable switch components, DC controller, system controller and battery pack；
The input connection civil power of first AC ammeter, the output end one side connecting valve power supply of the first AC ammeter
Input, the output end on the other hand connecting the second AC ammeter；
The input of second AC ammeter connects the output end of combining inverter；
The input of combining inverter connects first group of output end of controllable switch components；
Second group of output end of controllable switch components connects the input of DC controller, first group of controllable switch components
Input connects the first output end of photovoltaic array, and the second of second group of input connection photovoltaic array of controllable switch components is defeated
Go out end；
The output end connection direct current of DC controller becomes output end, the control signal input connection of DC controller
The DC control signal output end of system；
The inverter control signal output end of system controller connects the control signal input of combining inverter, system control
City's electric signal input end connection civil power of device；
The output end of DC meter output end difference connecting valve power supply, the input of battery pack, the input of load equipment
End.
The operation principle of the present embodiment is as follows：
System controller collect civil power it is normal when, control controllable switch components connect photovoltaic array and combining inverter it
Between circuit, photovoltaic array powers to combining inverter, and combining inverter constitutes electricity generation system, the exchange sent with photovoltaic array
Electricity with civil power is grid-connected is powered to Switching Power Supply, the load equipment and battery of communication base station are supplied electricity to by Switching Power Supply output 48V direct currents
Group power supply, can be unnecessary electricity while the work of communication base station load equipment is met if photovoltaic system generates electricity sufficient
National grid is sold to, if photovoltaic system generation deficiency, photovoltaic system is powered to Switching Power Supply and communicated to meet simultaneously with civil power
The need for electricity of load of base station equipment.
When system controller detects civil power power-off, control controllable switch components connect photovoltaic array and DC controller
Between circuit, photovoltaic array powers to DC controller, is given after the 48V direct currents of DC controller output are in parallel with battery pack
The load equipment of communication base station is powered, if photovoltaic system generates electricity sufficient, and photovoltaic system is meeting communication base station equipment work use
Unnecessary electricity can be stored by battery pack while electric demand, if photovoltaic generation is not enough, photovoltaic system is same with battery pack
When power to extend communication base station load equipment electricity consumption duration to load equipment.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is entered
Row equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc. all should
Within the utility model protective scope of the claims.
Claims (1)
1. a kind of communication base station photovoltaic bipolar electric power system, it is characterised in that：It includes the first AC ammeter, the second alternating current
Table, Switching Power Supply, combining inverter, photovoltaic array, controllable switch components, DC controller, system controller and battery pack；
The input connection civil power of first AC ammeter, the output end one side connecting valve power supply of the first AC ammeter
Input, the output end on the other hand connecting the second AC ammeter；
The input of second AC ammeter connects the output end of combining inverter；
The input of the combining inverter connects first group of output end of controllable switch components；
Second group of output end of the controllable switch components connects the input of DC controller, first group of controllable switch components
Input connects the first output end of photovoltaic array, and the second of second group of input connection photovoltaic array of controllable switch components is defeated
Go out end；
The output end connection direct current of the DC controller becomes output end, the control signal input connection of DC controller
The DC control signal output end of system；
The inverter control signal output end of the system controller connects the control signal input of combining inverter, system control
City's electric signal input end connection civil power of device；
The output end of the DC meter output end difference connecting valve power supply, the input of battery pack, the input of load equipment
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290048.XU CN206559137U (en) | 2017-03-23 | 2017-03-23 | Communication base station photovoltaic bipolar electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290048.XU CN206559137U (en) | 2017-03-23 | 2017-03-23 | Communication base station photovoltaic bipolar electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206559137U true CN206559137U (en) | 2017-10-13 |
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ID=60015919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720290048.XU Active CN206559137U (en) | 2017-03-23 | 2017-03-23 | Communication base station photovoltaic bipolar electric power system |
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| CN (1) | CN206559137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245161A (en) * | 2018-10-18 | 2019-01-18 | 北京凯华网联新能源技术有限公司 | Photovoltaic for base station is from grid-connected integrated inverter power supply control system and method |
-
2017
- 2017-03-23 CN CN201720290048.XU patent/CN206559137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245161A (en) * | 2018-10-18 | 2019-01-18 | 北京凯华网联新能源技术有限公司 | Photovoltaic for base station is from grid-connected integrated inverter power supply control system and method |
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