CN104113087A - Solar UPS system - Google Patents
Solar UPS system Download PDFInfo
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- CN104113087A CN104113087A CN201410314208.0A CN201410314208A CN104113087A CN 104113087 A CN104113087 A CN 104113087A CN 201410314208 A CN201410314208 A CN 201410314208A CN 104113087 A CN104113087 A CN 104113087A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a solar UPS system comprising a commercial power input, an alternating-current output, a generator power supply, solar cell modules, a storage battery pack, a main controller, gating controllers, an inverter, a first rectifier, a static switch, and a plurality of gating switches. The commercial power input is branched into a bypass input and a rectifier input. The output end of the first rectifier is connected with the storage battery pack. The direct-current output end of the generator power supply is connected with the direct-current input end of the inverter. The alternating-current output end of the inverter is connected with the input end of the static switch. The output end of the static switch is connected with the alternating-current output. One ends of the gating switches are connected with the power output ends of solar cell panels of the solar cell modules in a one-to-one correspondence manner, and the other ends of the gating switches are connected with the storage battery pack. Gating control ends are respectively connected with the gating switches in a control manner. The power of each path of power supply input to the static switch can be automatically selected and allocated according to the load requirement to realize optimal power output.
Description
Technical field
The present invention relates to ups system, be specifically related to a kind of solar energy ups system.
Background technology
UPS refers to uninterrupted power supply(ups), in prior art by UPS the mode of utilizing to solar energy, generally have following three kinds:
(1) grid type.The output of solar panel connects a combining inverter, and the output of combining inverter gets access to grid, and the electricity that combining inverter sends solar panel is fed on electrical network.Its defect is: in the situation that there is no civil power, cannot work, and what give customer power supply is electrical network all the time, cannot provides and stablize pure power supply to user, be i.e. the power supply that voltage fluctuation is inhibited, the voltage of electrical network or current harmonics are inhibited.
(2) from net type.The output of solar panel connects inverter and battery, and when having sunlight, inverter provides stable AC power and charges the battery to load; When thering is no sunlight, pass through inverter powering load by battery.Its defect is: the continuous cloudy day, cannot provide lasting power supply supply to user.
(3) from grid-connected one-piece type.The output of solar panel connects inverter and battery, and the output of inverter gets access to grid.When having civil power, inverter is operated in grid-connected pattern, and charges the battery; In the time of municipal power failure, inverter is transformed into from net pattern, passes through inverter powering load by battery.Its defect is: inverter there will be change-over time in the time that pattern is changed, and when civil power is normal, load is by mains-supplied, now cannot provide and stablize pure power supply to user, i.e. the power supply that voltage fluctuation is inhibited, the voltage of electrical network or current harmonics are inhibited.
Therefore, the method for utilizing of above three kinds of solar energy has its application limitation, and conventional online two conversion UPS only have a road to exchange input He Yi road direct current (battery) input conventionally.If system need to have multichannel alternating current-direct current input power supply (as multichannel solar panel and generator input), because conventional online two conversion UPS can not carry out power division and management to these input powers, therefore can not effectively utilize solar panel.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of solar energy ups system, can be according to loading demand, automatically select, distribute the power of each road power supply input static switch, realize the output of optimum power.
Object of the present invention adopts following technical scheme to realize:
A kind of solar energy ups system, comprise civil power input, exchange output, generator power supply, solar module, batteries, master controller, Strobe Controller, inverter, the first rectifier, static switch and multiple gating switch, described civil power input is divided into bypass input and rectification input, described bypass input is connected with the input of static switch, described rectification input is connected with the ac input end of the first rectifier, the output of described the first rectifier is connected with batteries, the DC output end of described generator power supply is connected with the direct-flow input end of inverter, the ac output end of described inverter is connected with the input of static switch, the output of described static switch with exchange output be connected, described master controller has electric current and voltage sampling end, rectification control end, static switch control end, inversion control end and the first communication terminal, and described Strobe Controller has gating control end, current sample end, voltage sample end and the second communication terminal, electric current and voltage sampling end connects respectively batteries and exchanges output, and rectification control end is connected with the first rectifier, and static switch control end is connected with static switch, and inversion control end is connected with inverter, the first communication terminal and the second communication terminal connecting communication, one end of gating switch power output end of in solar module each solar panel that connects one to one described in each, the other end of each gating switch is all connected with batteries, described gating control end is each gating switch of control connection respectively, current sample end is connected with the other end of each gating switch respectively, and voltage sample end is connected between the other end of each gating switch and the tie point of batteries.
Further, described generator power supply comprises multiple generators and multiple the second rectifier, the connect one to one ac input end of each the second rectifier of the output of each generator, the DC output end of each the second rectifier is all connected with the direct-flow input end of inverter.
Further, described solar energy ups system also comprises the first diode, and described in each, the DC output end of the second rectifier is all connected with the direct-flow input end of inverter after the first diode.
Further, described solar energy ups system also comprises multiple the second diodes, and the connect one to one anode of the second diode of the other end of each gating switch, is all connected with batteries after the negative electrode of each the second diode confluxes; Described voltage sample end is connected with the negative electrode confluence of each the second diode.
Further, described solar energy ups system also comprises that a solar energy UPS cabinet and multiple solar power distribute the cabinet that confluxes, and described the first rectifier, static switch, inverter, master controller are all arranged in solar energy UPS cabinet; Described solar module is many groups, and every group of solar module is all furnished with a described Strobe Controller, each solar power distribute the cabinet that confluxes carry one group described in solar module and a described Strobe Controller.
Further, the first communication terminal of described master controller is connected with the first communication module, described in each, the second communication terminal of Strobe Controller is connected with respectively the second communication module, and the first communication module is connected by RS485 bus communication with each second communication module respectively; The first communication module is arranged in solar energy UPS cabinet, and the second communication module lays respectively at each solar power distribution and confluxes in cabinet.
Further, described master controller is also connected with the first display module, described in each, Strobe Controller is also connected with respectively the second display module, and the first display module is arranged in solar energy UPS cabinet, and the second display module lays respectively at each solar power distribution and confluxes in cabinet.
Compared to existing technology, beneficial effect of the present invention is:
Master controller of the present invention can be to the first rectifier, static switch and inverter are controlled, and detection in real time exchanges the voltage of output and batteries, electric current, also obtain the output current of solar module by the first communication terminal and the second communication terminal simultaneously, and then can be by master controller according to the needs of load and real work situation corrected power, control Strobe Controller and realize the folding to gating switch, control the first rectifier, the operating state of the work of inverter and feedback static switch, the final power that distributes each road power supply input static switch of realizing, realize the output of optimum power, can be according to the power supply output of solar module, the output of the power supply of batteries, the power supply output of civil power input, the sequencing of the power supply output of generator power supply carries out preferably, it is the most reasonable that Shi Ge road power supply obtains, the most effectively utilize, under various work regulates, all can continue to provide the most stable pure power supply after master controller distributes to user, be that voltage fluctuation is inhibited, the power supply that the voltage of electrical network or current harmonics are inhibited.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is the connection schematic block diagram of solar energy ups system of the present invention.
Embodiment
A kind of solar energy ups system as shown in Figure 1, comprise civil power input, exchange output, generator power supply, solar module, batteries, master controller, Strobe Controller, inverter, the first rectifier, static switch and multiple gating switch, civil power input is divided into bypass input and rectification input, bypass input is connected with the input of static switch, rectification input is connected with the ac input end of the first rectifier, the output of the first rectifier is connected with batteries, the DC output end of generator power supply is connected with the direct-flow input end of inverter, the ac output end of inverter is connected with the input of static switch, the output of static switch with exchange output be connected.
Master controller has electric current and voltage sampling end, rectification control end, static switch control end, inversion control end and the first communication terminal (not shown these ports in Fig. 1), and Strobe Controller has gating control end, current sample end, voltage sample end and the second communication terminal (not shown these ports in Fig. 1); Electric current and voltage sampling end connects respectively batteries and exchanges output, and rectification control end is connected with the first rectifier, and static switch control end is connected with static switch, and inversion control end is connected with inverter, the first communication terminal and the second communication terminal connecting communication; The connect one to one power output end of in solar module each solar panel of one end of each gating switch, the other end of each gating switch is all connected with batteries, gating control end is each gating switch of control connection respectively, current sample end is connected with the other end of each gating switch respectively, and voltage sample end is connected between the other end of each gating switch and the tie point of batteries.
This routine generator power supply comprises multiple generators and multiple the second rectifier, the connect one to one ac input end of each the second rectifier of the output of each generator, and the DC output end of each the second rectifier is all connected with the direct-flow input end of inverter.The second rectifier is converted to direct current for the alternating current that generator is sent.
This routine solar energy ups system also comprises the first diode and multiple the second diode, and all converse for preventing electric current, the DC output end of each the second rectifier is all connected with the direct-flow input end of inverter after the first diode.The connect one to one anode of the second diode of the other end of each gating switch, is all connected with batteries after the negative electrode of each the second diode confluxes; Voltage sample end is connected with the negative electrode confluence of each the second diode.
This routine solar energy ups system also comprises that a solar energy UPS cabinet and multiple solar power distribute the cabinet that confluxes (in Fig. 1, other solar power distributes the cabinet that confluxes to omit solar module, gating switch and the second diode), so that synthetic operation control, and assemble and put respectively.The first rectifier, static switch, inverter, master controller are all arranged in solar energy UPS cabinet; A solar module comprises multiple solar panels, this routine solar module is many groups, every group of solar module is all furnished with a Strobe Controller, and each solar power distributes the cabinet that confluxes to carry one group of solar module and a Strobe Controller.
The first communication terminal of master controller is connected with the first communication module, and the second communication terminal of each Strobe Controller is connected with respectively the second communication module, and the first communication module is connected by RS485 bus communication with each second communication module respectively; The first communication module is arranged in solar energy UPS cabinet, and the second communication module lays respectively at each solar power distribution and confluxes in cabinet.The first communication module and the second communication module adopt the RS485 communication module of existing routine, realize to gating switch folding in real time, in time control.
Master controller is also connected with the first display module, for showing the input/output argument of every detected parameters and actual power, each Strobe Controller is also connected with respectively the second display module, for showing the power output parameter of solar module and the operating state of each gating switch, the first display module is arranged in solar energy UPS cabinet, and the second display module lays respectively at each solar power distribution and confluxes in cabinet.
When normal work, the solar energy UPS cabinet in this routine solar energy ups system selects to use the output of inverter or the power supply of civil power input to power to user load by static switch all the time, exchanges output and is connected to load.This example arranges main controller controls and preferentially uses the out-put supply of solar module.After Strobe Controller detection solar panel confluxes, the output current of total output voltage He Mei road solar panel, calculates power output, controls the folding of gating switch according to this power output, and then controls the switching quantity of solar panel.
In the time that solar energy is sufficient, by the input control of the direct-flow input end to the first rectifier and inverter, close the first rectifier of civil power input and the input of generator power supply, by controlling gating switch, realize and adjust the switching quantity that solar power is distributed the each solar panel of solar module in the cabinet that confluxes, make the power of solar module out-put supply just equal the power sum of load and battery charging.This example, by RS485 communication bus, regulates each solar power to distribute the power output equilibrium of the cabinet that confluxes, and distributes the cabinet that confluxes fully loaded with the solar power of avoiding, and some solar power are distributed the situation of the cabinet zero load of confluxing.Now, load and battery charging energy are all provided by solar energy, the power supply that load has obtained that voltage fluctuation is inhibited, the voltage of electrical network or current harmonics are inhibited.
In the time of underpower that solar module provides, batteries starts electric discharge as the energy of the second priority, and the bearing power of insufficient section is provided.Now, load energy is provided jointly by solar module and batteries.
In the time that batteries drops to certain capacity, batteries stops electric discharge, and this solar energy ups system starts the energy of the 3rd priority, i.e. civil power supplementary power, and civil power input, by the first rectifier, provides the power difference part between solar energy output and load.Now, load energy is provided jointly by solar module and civil power input.
In certain applications occasion, the power output of the power ratio solar energy UPS cabinet of civil power input is also little, if in this case solar energy with the gross power of civil power input than in the also little situation of load, enable generator, form generator power supply, the part of making up a deficiency.In this case, load energy is provided jointly by solar module, civil power input and generator power supply.
Wherein, power judgement to solar module above, the sampling of the current sample port current by Strobe Controller has been obtained, and by the communication of the first communication module and the second communication module, use gating control end to realize the folding control to gating switch, and then realize the switching of solar panel.Judgement to bearing power, batteries power output above, adopt the sampling of portvoltage, electric current to obtain by the potential circuit of master controller, and bring in by rectification control end, inverter control end, static switch control the job control of realizing the first rectifier, inverter, static switch, realize input, the input of generator power supply and the input of solar battery group of civil power input, batteries are carried out to power division control.This routine master controller, Strobe Controller all can adopt conventional MCU or adopt the available circuit structure being made up of logical circuit or realized by existing integrated circuit.
Above-mentioned execution mode is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, the variation of any unsubstantiality that those skilled in the art does on basis of the present invention and replacement all belong to the present invention's scope required for protection.
Claims (7)
1. a solar energy ups system, it is characterized in that: comprise civil power input, exchange output, generator power supply, solar module, batteries, master controller, Strobe Controller, inverter, the first rectifier, static switch and multiple gating switch, described civil power input is divided into bypass input and rectification input, described bypass input is connected with the input of static switch, described rectification input is connected with the ac input end of the first rectifier, the output of described the first rectifier is connected with batteries, the DC output end of described generator power supply is connected with the direct-flow input end of inverter, the ac output end of described inverter is connected with the input of static switch, the output of described static switch with exchange output be connected, described master controller has electric current and voltage sampling end, rectification control end, static switch control end, inversion control end and the first communication terminal, and described Strobe Controller has gating control end, current sample end, voltage sample end and the second communication terminal, electric current and voltage sampling end connects respectively batteries and exchanges output, and rectification control end is connected with the first rectifier, and static switch control end is connected with static switch, and inversion control end is connected with inverter, the first communication terminal and the second communication terminal connecting communication, one end of gating switch power output end of in solar module each solar panel that connects one to one described in each, the other end of each gating switch is all connected with batteries, described gating control end is each gating switch of control connection respectively, current sample end is connected with the other end of each gating switch respectively, and voltage sample end is connected between the other end of each gating switch and the tie point of batteries.
2. solar energy ups system according to claim 1, it is characterized in that: described generator power supply comprises multiple generators and multiple the second rectifier, the connect one to one ac input end of each the second rectifier of the output of each generator, the DC output end of each the second rectifier is all connected with the direct-flow input end of inverter.
3. solar energy ups system according to claim 2, is characterized in that: described solar energy ups system also comprises the first diode, and described in each, the DC output end of the second rectifier is all connected with the direct-flow input end of inverter after the first diode.
4. solar energy ups system according to claim 1, it is characterized in that: described solar energy ups system also comprises multiple the second diodes, the connect one to one anode of the second diode of the other end of each gating switch, is all connected with batteries after the negative electrode of each the second diode confluxes; Described voltage sample end is connected with the negative electrode confluence of each the second diode.
5. according to the solar energy ups system described in claim 1～4 any one, it is characterized in that: described solar energy ups system also comprises that a solar energy UPS cabinet and multiple solar power distribute the cabinet that confluxes, and described the first rectifier, static switch, inverter, master controller are all arranged in solar energy UPS cabinet; Described solar module is many groups, and every group of solar module is all furnished with a described Strobe Controller, each solar power distribute the cabinet that confluxes carry one group described in solar module and a described Strobe Controller.
6. solar energy ups system according to claim 5, it is characterized in that: the first communication terminal of described master controller is connected with the first communication module, described in each, the second communication terminal of Strobe Controller is connected with respectively the second communication module, and the first communication module is connected by RS485 bus communication with each second communication module respectively; The first communication module is arranged in solar energy UPS cabinet, and the second communication module lays respectively at each solar power distribution and confluxes in cabinet.
7. solar energy ups system according to claim 5, it is characterized in that: described master controller is also connected with the first display module, described in each, Strobe Controller is also connected with respectively the second display module, the first display module is arranged in solar energy UPS cabinet, and the second display module lays respectively at each solar power distribution and confluxes in cabinet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314208.0A CN104113087B (en) | 2014-07-02 | 2014-07-02 | Solar UPS system |
| PCT/CN2014/094019 WO2016000421A1 (en) | 2014-07-02 | 2014-12-17 | Solar ups system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314208.0A CN104113087B (en) | 2014-07-02 | 2014-07-02 | Solar UPS system |
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| CN104113087A true CN104113087A (en) | 2014-10-22 |
| CN104113087B CN104113087B (en) | 2017-02-01 |
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| CN201410314208.0A Active CN104113087B (en) | 2014-07-02 | 2014-07-02 | Solar UPS system |
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| WO (1) | WO2016000421A1 (en) |
Cited By (2)
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| WO2016000421A1 (en) * | 2014-07-02 | 2016-01-07 | 佛山市柏克新能科技股份有限公司 | Solar ups system |
| CN109562958A (en) * | 2016-05-11 | 2019-04-02 | 莫申·哈维 | Modularization water system for grange |
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| CN109687573A (en) * | 2019-01-09 | 2019-04-26 | 孙志华 | Dual power supply is without flash handover control system |
| CN112366930A (en) * | 2020-11-04 | 2021-02-12 | 合肥联信电源有限公司 | Method for controlling switch power supply redundancy of static switch |
| CN112721837B (en) * | 2021-01-29 | 2023-08-15 | 武汉法拉唯汽车科技有限公司 | Vehicle power distribution system |
| CN116111714B (en) * | 2023-04-11 | 2023-07-07 | 浙江德塔森特数据技术有限公司 | Uninterruptible power supply, control method and device thereof and readable medium |
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Also Published As
| Publication number | Publication date |
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| CN104113087B (en) | 2017-02-01 |
| WO2016000421A1 (en) | 2016-01-07 |
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