CN108988474A - A kind of solar inverter and its control method - Google Patents
A kind of solar inverter and its control method Download PDFInfo
- Publication number
- CN108988474A CN108988474A CN201810598682.9A CN201810598682A CN108988474A CN 108988474 A CN108988474 A CN 108988474A CN 201810598682 A CN201810598682 A CN 201810598682A CN 108988474 A CN108988474 A CN 108988474A
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- voltage
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000011897 real-time detection Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 48
- 238000001514 detection method Methods 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000036632 reaction speed Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of solar inverter of the invention and its control method, this method comprises: by converting solar energy into electrical energy as battery pack charging；The voltage swing for the electric energy that real-time detection is converted by solar energy；When the voltage is less than preset threshold voltage, alternating current is switched to as battery pack charging.By being managed in solar inverter and battery management system to the process of charging, greatly reduce the exception for causing system burst to power off because disconnecting battery management system main path switch pipe, reaction speed is fast, it not will lead to backend load power-off, make the reliability of whole system and efficiency while improving.
Description
Technical field
The present invention relates to power generation power transformation and field of power distribution more particularly to a kind of solar inverter and its control methods.
Background technique
Currently, the technology that solar energy charges to battery is widely used, and the filling of the battery pack of energy energy-storage system,
Electric discharge management, energy management are then a management difficult points of energy resource system.
In the prior art, solar electric power supply system is all made of discrete solar inverter, battery pack；Using
Lithium battery, be also only merely to increase lithium battery management system (BMS) on the basis of lithium battery, remaining on is independent portion
Part, the charge and discharge management to battery, the energy management of battery are all that inversion system is simply estimated according to cell voltage and obtained,
Furthermore in battery management system currently on the market, charge and discharge coherency management is only applied on lithium battery mostly, and battery
The electric current of main control (electric switch pipe) in management system (BMS) is that the insoluble problem of industry and failure rate are highest
Part, meanwhile, after the device, in the case where battery charging complete, excess temperature, over-voltage, battery management system can be closed
It closes, since the reaction speed of electric switch pipe is slow, the backup power source that the delay in system resumes power will lead to controller is in
Off-state, the massive losses for being easy to cause backend load to power off, so that the reliability and inefficiency of system.
Summary of the invention
The main purpose of the present invention is to provide a kind of solar inverter and its control method, realization generates solar energy
Electric energy mixed with alternating current, when solar energy provide electric energy deficiency when can introduce alternating current supplement, make equipment will not because of electric energy deficiency
And influence using effect.
To achieve the above objectives, the technical solution adopted by the present invention are as follows: a kind of solar inverter, including solar panels and
Inverter module, further includes: battery management unit, battery pack, the first branch, second branch and processor；The solar panels
It is connect by the first branch with inverter module；The inverter module and battery pack connect with the battery management unit respectively
It connects, alternating current is connect by the second branch with the battery management unit；The first branch includes sequentially connected first
Voltage detecting circuit and reverse-connection preventing circuit；The first voltage detection circuit and reverse-connection preventing circuit are connected to the processor；
The second branch includes sequentially connected second voltage detection circuit and reverse-connection preventing circuit；The second voltage detection circuit and
Reverse-connection preventing circuit is connected to the processor；The battery management unit includes: switch unit, the switch unit point
It is not connect with the output end of the first branch, the output end of the second branch and the processor.
As an improvement, the battery management unit further include: voltage detecting circuit and control circuit；The voltage detecting electricity
Road and the control circuit are connected to the processor respectively；The voltage detecting circuit, for battery pack described in real-time detection
Middle battery both end voltage, and it is sent to the processor；The processor, for being more than battery when the battery both end voltage
When storing threshold, extra electricity is transferred to by the battery that electricity is few in the battery pack by control circuit.
As a further improvement, the control circuit includes: switching tube and inductance, switching tube is led by processor control
On/off is opened, and when switching tube is connected, extra electricity is stored in inductance by the battery of too high voltages, and when switching tube turns off, inductance is deposited
The energy of storage is by the built-in damper diode of switching tube by electric energy transfer to next battery.
As an improvement, the second branch further include: uninterruptible power supply is used for when the alternating current is normal, by the city
Electricity exports after carrying out pressure stabilizing；When the commercial power interruption, the electricity stored by itself continues as load supplying.
As an improvement, the second branch further include: short circuit current and warning circuit, between the short circuit current is connected in parallel on not
Disconnected emergency power supply both ends, the warning circuit are connected to the output end of the uninterrupted emergency power supply；It is described uninterruptedly to answer urgent telegram
The end of incoming cables in source and leading-out terminal are respectively arranged with switch S1 and switch S2；The short circuit current includes switch S3；The switch S3
One end connect with the end of incoming cables of the uninterrupted emergency power supply by the switch S1, the other end of the switch S3 is by institute
It states switch S2 to connect with the leading-out terminal of the uninterrupted emergency power supply, the warning circuit includes transformer T1, switch S4, relay
Device K1 and warning device HA；The coiler part of the relay K1 by the switch S2 and the uninterrupted emergency power supply out
Line end connection, the switch sections of the relay K1 are connected with the switch S4 and the warning device HA and are both connected to described
The output end of transformer T1.
The present invention also provides a kind of control methods of solar inverter, comprising: by convert solar energy into electrical energy for
Battery pack charging；The voltage swing for the electric energy that real-time detection is converted by solar energy；When the voltage is less than preset voltage valve
When value, alternating current is switched to as battery pack charging.
As an improvement, the control method further include: battery in battery pack both end voltage described in real-time detection；When the battery
When both end voltage is more than the storing threshold of battery, it is few that extra electricity is transferred to by electricity in the battery pack by control circuit
Battery.
As an improvement, when the battery both end voltage is more than the storing threshold of battery, by control circuit by extra electricity
Amount is transferred to the battery that electricity is few in the battery pack, specifically includes: when the battery both end voltage is more than the storage valve of battery
When value, extra electricity is stored in electric energy apparatus for temporary storage；It is controlled by control circuit, it will be in electric energy apparatus for temporary storage
Extra electricity is transferred to the battery that electricity is few in the battery pack.
As an improvement, being switched to alternating current as battery pack charging, specifically include: in the route that the alternating current is connect with battery pack
Upper setting uninterruptible power supply exports after the alternating current is carried out pressure stabilizing when the alternating current is normal；When the commercial power interruption,
Load supplying is continued as by the electricity that uninterruptible power supply itself stores.
As an improvement, if the uninterruptible power supply damages, issuing police when being switched to alternating current is battery pack charging
Report, and so that the alternating current is directly connected with the battery pack uninterruptible power supply cutting.
Compared with the prior art, the advantages of the present invention are as follows: by solar inverter and battery management system to filling
The process of electricity is managed, and greatly reducing leads to the different of system burst power-off because disconnecting battery management system main path switch pipe
Often, reaction speed is fast, not will lead to backend load power-off, makes the reliability of whole system and efficiency while improving
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of solar inverter of the present invention；
Fig. 2 is a kind of structural schematic diagram of the battery management unit of solar inverter of the present invention；
Fig. 3 is a kind of UPS power failure alarm device structural schematic diagram of solar inverter of the present invention；
Fig. 4 is a kind of control method flow diagram of solar inverter of the present invention.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in Figure 1, a kind of solar inverter, including solar panels and inverter module, further includes: battery management list
Member, battery pack, the first branch, second branch and processor；The solar panels are connect by the first branch with inverter module；
The inverter module and battery pack are connect with the battery management unit respectively, and alternating current passes through the second branch and the electricity
The connection of pond administrative unit；The first branch includes sequentially connected first voltage detection circuit and reverse-connection preventing circuit；Described
One voltage detecting circuit and reverse-connection preventing circuit are connected to the processor；The second branch includes sequentially connected second electricity
Press detection circuit and reverse-connection preventing circuit；The second voltage detection circuit and reverse-connection preventing circuit are connected to the processor；Institute
Stating battery management unit includes: switch unit, the switch unit respectively with the output end of the first branch, described
The output end of two branches is connected with the processor.
As shown in Figure 2, it is preferred that the battery management unit further include: voltage detecting circuit and control circuit；The electricity
Pressure detection circuit and the control circuit are connected to the processor respectively；The voltage detecting circuit is used for real-time detection institute
Battery in battery pack both end voltage is stated, and is sent to the processor；The processor, for surpassing when the battery both end voltage
When crossing the storing threshold of battery, extra electricity is transferred to by the battery that electricity is few in the battery pack by control circuit.
Preferably, the control circuit includes: switching tube and inductance, and switching tube controls ON/OFF by the processor,
When switching tube is connected, extra electricity is stored in inductance by the battery of too high voltages, when switching tube turns off, the energy of inductance storage
By the built-in damper diode of switching tube by electric energy transfer to next battery.
As an improvement, the second branch further include: uninterruptible power supply is used for when the alternating current is normal, by the city
Electricity exports after carrying out pressure stabilizing；When the commercial power interruption, the electricity stored by itself continues as load supplying.
As shown in Figure 3, it is preferred that the second branch further include: short circuit current and warning circuit, the short circuit current is simultaneously
Uninterrupted emergency power supply both ends are associated in, the warning circuit is connected to the output end of the uninterrupted emergency power supply；It is described not between
The end of incoming cables of disconnected emergency power supply and leading-out terminal are respectively arranged with switch S1 and switch S2；The short circuit current includes switch S3；Institute
The one end for stating switch S3 is connect by the switch S1 with the end of incoming cables of the uninterrupted emergency power supply, and the switch S3's is another
End is connect by the switch S2 with the leading-out terminal of the uninterrupted emergency power supply, and the warning circuit includes transformer T1, opens
Close S4, relay K1 and warning device HA；The coiler part of the relay K1 is uninterruptedly answered by the switch S2 with described
The leading-out terminal in urgent telegram source connects, and the switch sections of the relay K1 are connected and equal with the switch S4 and the warning device HA
It is connected to the output end of the transformer T1.
The end of incoming cables of the uninterrupted emergency power supply and leading-out terminal are respectively arranged with switch S1 and switch S2；The short circuit electricity
Road includes switch S3；One end of the switch S3 is connect by the switch S1 with the end of incoming cables of the uninterrupted emergency power supply,
The other end of the switch S3 is connect by the switch S2 with the leading-out terminal of the uninterrupted emergency power supply, the warning circuit
Including transformer T1, switch S4, relay K1 and warning device HA；The coiler part of the relay K1 passes through the switch S2
It is connect with the leading-out terminal of the uninterrupted emergency power supply, the switch sections of the relay K1 and the switch S4 and the alarm
Device HA connects and is both connected to the output end of the transformer T1.The uninterrupted emergency power supply both ends are connected with the first input
Hold A1, the second input terminal A2, the first output end B1 and second output terminal B2；The short circuit current both ends are connected with first input end
A1, the second input terminal a2, the first output end b1 and second output terminal b2；The electromagnet coil of relay K1 in the warning circuit
Both ends are connected with first input end C1 and the second input terminal C2；The first input end A1 is connected with the first input end a1；
The second input terminal A2 is connected with the second input terminal a2；The first output end B1 and the first output end b1 phase
Even；The second output terminal B2 is connected with the second output terminal b2；The first output end B1 and first input end C1
It is connected；The second output terminal B2 is connected with the second input terminal C2.
As shown in figure 4, the present invention also provides a kind of control methods of solar inverter, comprising: by turning solar energy
Electric energy is turned to as battery pack charging；The voltage swing for the electric energy that real-time detection is converted by solar energy；When the voltage is less than in advance
If threshold voltage when, be switched to alternating current for the battery pack charging.
Preferably, control method further include: battery in battery pack both end voltage described in real-time detection；When the battery two
When voltage being held to be more than the storing threshold of battery, extra electricity is transferred to by the electricity that electricity is few in the battery pack by control circuit
Pond.
Preferably, when the battery both end voltage is more than the storing threshold of battery, by control circuit by extra electricity
It is transferred to the battery that electricity is few in the battery pack, is specifically included: when the battery both end voltage is more than the storing threshold of battery
When, extra electricity is stored in electric energy apparatus for temporary storage；It is controlled by control circuit, it will be more in electric energy apparatus for temporary storage
Remaining electricity is transferred to the battery that electricity is few in the battery pack.
Preferably, alternating current is switched to as battery pack charging, is specifically included: on the route that the alternating current is connect with battery pack
Uninterruptible power supply is set, when the alternating current is normal, is exported after the alternating current is carried out pressure stabilizing；When the commercial power interruption, lead to
The electricity for crossing uninterruptible power supply itself storage continues as load supplying.
Preferably, when being switched to alternating current is battery pack charging, if the uninterruptible power supply damages, police is issued
Report, and so that the alternating current is directly connected with the battery pack uninterruptible power supply cutting.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of solar inverter, including solar panels and inverter module, which is characterized in that further include: battery management list
Member, battery pack, the first branch, second branch and processor；The solar panels are connect by the first branch with inverter module；
The inverter module and battery pack are connect with the battery management unit respectively, and alternating current passes through the second branch and the electricity
The connection of pond administrative unit；The first branch includes sequentially connected first voltage detection circuit and reverse-connection preventing circuit；Described
One voltage detecting circuit is connected to the processor；The second branch includes sequentially connected second voltage detection circuit and prevents
It is reversely connected circuit；The second voltage detection circuit is connected to the processor；The battery management unit includes: switch list
Member, the switch unit respectively with the output end of the inverter module, the output end of the second branch and the processing
Device connection.
2. a kind of solar inverter according to claim 1, which is characterized in that the battery management unit further include:
Voltage detecting circuit and control circuit；The voltage detecting circuit and the control circuit are connected to the processor respectively；
The voltage detecting circuit for battery in battery pack both end voltage described in real-time detection, and is sent to the processor；
The processor, for when the battery both end voltage be more than battery storing threshold when, will be extra by control circuit
Electricity is transferred to the battery that electricity is few in the battery pack.
3. according to a kind of right solar inverter according to claim 2, which is characterized in that the control circuit packet
Include: switching tube and inductance, switching tube controls ON/OFF by the processor, and when switching tube is connected, the battery of too high voltages will
Extra electricity is stored in inductance, and when switching tube turns off, the energy of inductance storage will by the built-in damper diode of switching tube
Electric energy transfer is to next battery.
4. a kind of solar inverter according to any one of claim 1-3, which is characterized in that the second branch is also
It include: uninterruptible power supply, for being exported after the alternating current is carried out pressure stabilizing when the alternating current is normal；When the commercial power interruption
When, the electricity stored by itself continues as load supplying.
5. a kind of solar inverter according to claim 4, which is characterized in that the second branch further include: short circuit
Circuit and warning circuit, the short circuit current are connected in parallel on uninterrupted emergency power supply both ends, the warning circuit be connected to it is described not
It is interrupted the output end of emergency power supply；
The end of incoming cables of the uninterrupted emergency power supply and leading-out terminal are respectively arranged with switch S1 and switch S2；The short circuit current packet
Include switch S3；One end of the switch S3 is connect by the switch S1 with the end of incoming cables of the uninterrupted emergency power supply, described
The other end of switch S3 is connect by the switch S2 with the leading-out terminal of the uninterrupted emergency power supply, and the warning circuit includes
Transformer T1, switch S4, relay K1 and warning device HA；The coiler part of the relay K1 passes through the switch S2 and institute
State the leading-out terminal connection of uninterrupted emergency power supply, the switch sections of the relay K1 and the switch S4 and the warning device
HA connects and is both connected to the output end of the transformer T1.
6. a kind of control method of solar inverter characterized by comprising
By converting solar energy into electrical energy as battery pack charging；
The voltage swing for the electric energy that real-time detection is converted by solar energy；
When the voltage is less than preset threshold voltage, alternating current is switched to as battery pack charging.
7. a kind of control method of solar inverter according to claim 6, which is characterized in that the control method is also wrapped
It includes:
Battery in battery pack both end voltage described in real-time detection；
When the battery both end voltage is more than the storing threshold of battery, extra electricity is transferred to by the electricity by control circuit
The few battery of electricity in the group of pond.
8. a kind of control method of solar inverter according to claim 7, which is characterized in that when the battery both ends
When voltage is more than the storing threshold of battery, extra electricity is transferred to by the electricity that electricity is few in the battery pack by control circuit
Pond specifically includes:
When the battery both end voltage is more than the storing threshold of battery, extra electricity is stored in electric energy apparatus for temporary storage；
It is controlled by control circuit, it is few that the extra electricity in electric energy apparatus for temporary storage is transferred to electricity in the battery pack
Battery.
9. a kind of control method of solar inverter a method according to any one of claims 6-8, which is characterized in that switching
It is battery pack charging to alternating current, specifically includes:
Uninterruptible power supply is set on the route that the alternating current is connect with battery pack, when the alternating current is normal, by the alternating current
It is exported after carrying out pressure stabilizing；When the commercial power interruption, load supplying is continued as by the electricity that uninterruptible power supply itself stores.
10. a kind of control method of solar inverter according to claim 9, which is characterized in that when being switched to alternating current
It when charging for the battery pack, if the uninterruptible power supply damages, sounds an alarm, and uninterruptible power supply cutting is made into institute
Alternating current is stated directly to be connected with the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598682.9A CN108988474A (en) | 2018-09-27 | 2018-09-27 | A kind of solar inverter and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598682.9A CN108988474A (en) | 2018-09-27 | 2018-09-27 | A kind of solar inverter and its control method |
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| Publication Number | Publication Date |
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| CN108988474A true CN108988474A (en) | 2018-12-11 |
Family
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| CN201810598682.9A Pending CN108988474A (en) | 2018-09-27 | 2018-09-27 | A kind of solar inverter and its control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173647A (en) * | 2019-05-08 | 2019-08-27 | 平潭煜想时代科技有限公司 | Based on without battery pass through the grid-connected solar street light of alternating current and its control method |
| CN110797960A (en) * | 2019-11-05 | 2020-02-14 | 苏州市翌科斯拓机电科技有限公司 | Solar charging mobile power supply and solar charging method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7872374B2 (en) * | 1994-03-03 | 2011-01-18 | American Power Conversion Corporation | Battery communication system |
| CN201937330U (en) * | 2010-09-15 | 2011-08-17 | 深圳市泰昂能源科技股份有限公司 | Environment friendly control room of transformer substation |
| CN102868208A (en) * | 2012-09-25 | 2013-01-09 | 广东易事特电源股份有限公司 | Solar inverter, cell management system and solar power supply system |
| TW201633656A (en) * | 2015-03-10 | 2016-09-16 | 廷鑫興業股份有限公司 | Uninterruptible power supply system for solar controller |
| CN205959371U (en) * | 2016-07-22 | 2017-02-15 | 重庆大全新能源有限公司 | A disconnected electric alarm device for UPS |
-
2018
- 2018-09-27 CN CN201810598682.9A patent/CN108988474A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7872374B2 (en) * | 1994-03-03 | 2011-01-18 | American Power Conversion Corporation | Battery communication system |
| CN201937330U (en) * | 2010-09-15 | 2011-08-17 | 深圳市泰昂能源科技股份有限公司 | Environment friendly control room of transformer substation |
| CN102868208A (en) * | 2012-09-25 | 2013-01-09 | 广东易事特电源股份有限公司 | Solar inverter, cell management system and solar power supply system |
| TW201633656A (en) * | 2015-03-10 | 2016-09-16 | 廷鑫興業股份有限公司 | Uninterruptible power supply system for solar controller |
| CN205959371U (en) * | 2016-07-22 | 2017-02-15 | 重庆大全新能源有限公司 | A disconnected electric alarm device for UPS |
Non-Patent Citations (1)
| Title |
|---|
| 林瑜筠: "《城市轨道交通信号基础设备》", 31 January 2012 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173647A (en) * | 2019-05-08 | 2019-08-27 | 平潭煜想时代科技有限公司 | Based on without battery pass through the grid-connected solar street light of alternating current and its control method |
| CN110797960A (en) * | 2019-11-05 | 2020-02-14 | 苏州市翌科斯拓机电科技有限公司 | Solar charging mobile power supply and solar charging method |
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Application publication date: 20181211 |