CN104113133B - Intelligent photovoltaic off-network inverter system and power consumption control method thereof - Google Patents
Intelligent photovoltaic off-network inverter system and power consumption control method thereof Download PDFInfo
- Publication number
- CN104113133B CN104113133B CN201410308017.3A CN201410308017A CN104113133B CN 104113133 B CN104113133 B CN 104113133B CN 201410308017 A CN201410308017 A CN 201410308017A CN 104113133 B CN104113133 B CN 104113133B
- Authority
- CN
- China
- Prior art keywords
- commutator
- inverter
- solar
- load
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to photovoltaic DC-to-AC converter technical field, specifically disclose a kind of Intelligent photovoltaic off-network inverter system and power consumption control method thereof, Intelligent photovoltaic off-network inverter system includes inverter, commutator, controller for solar and accumulator, described rectifier input alternating current power supply connects, outfan is connected with the input of described inverter, described inverter output end is connected with described load, described controller for solar input is connected with solar panel, and outfan is connected with accumulator and inverter；Control method is in the pattern of using electricity in off-peak hours, conversion between AC charging pass pattern and normal mode by the demand of user, also ensures that user's not power-off when city's electrical anomaly.The present invention has and ensures not power-off, and electric energy high efficiency uses, and reduces user power utilization cost, advantage easy to use.
Description
Technical field
The present invention relates to photovoltaic DC-to-AC converter technical field, particularly relate to a kind of Intelligent photovoltaic off-network inverter system and power consumption control method thereof.
Background technology
Existing most of photovoltaic off-grid inverters do not have the control of too many intelligence, are all that the mode as a kind of uninterrupted power source is done, do not stand in economy and the practicality considering user in the position of user.And a lot of countries are in the different time periods, and the standard of the charge of electricity is the most different, and peak times of power consumption, the electric lighting bill is heavy, and the cost that user undertakes increases.Current photovoltaic off-grid inverter is only as the uninterrupted power supply of guarantee power supply, but can not switch different use power modes according to user's request, reduces its electric cost.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of Intelligent photovoltaic off-network inverter system, its can in different time sections according to user's request with different mode operations, it is ensured that not power-off, electric energy high efficiency uses, and reduces user power utilization cost, easy to use.
The present invention also provides for a kind of power consumption control method.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of Intelligent photovoltaic off-network inverter system, it includes inverter, commutator, controller for solar and accumulator, described rectifier input alternating current power supply connects, outfan is connected with the input of described inverter, described inverter output end is connected with described load, described controller for solar input is connected with solar panel, and outfan is connected with accumulator and inverter.
Being improved to further technique scheme, the outfan of described inverter connects a transformator, and one end of described transformator connects STS, and one end of described STS connects load, and the other end connects network intelligence switch.
Being improved to further technique scheme, the outfan of described controller for solar connects the first current transformer, and the first current transformer connects the input of inverter.
Being improved to further technique scheme, the outfan of described accumulator connects soft module of direct current, and the outfan of soft module of direct current connects the second current transformer, and the second current transformer connects the input of described inverter.
Being improved to further technique scheme, the outfan of a described commutator in parallel capacitor each with the input of described inverter.
A kind of power consumption control method of Intelligent photovoltaic off-network inverter system, the pattern comprising: use electricity in off-peak hours: gather controller for solar and the voltage of commutator output, when the output voltage of controller for solar is higher than the output voltage of commutator, Intelligent photovoltaic off-network inverter system controls by solar panel powering load together with accumulator；Gather the output voltage of accumulator simultaneously, when collecting accumulator and low pressure occurring, open commutator, by solar panel powering load together with commutator；AC charging pass pattern: when storage battery low-voltage, Intelligent photovoltaic off-network inverter system controls by solar panel powering load together with commutator, and commutator does not charges the battery；Normal mode: by solar panel powering load together with commutator, charge the battery simultaneously all together；Civil power abnormal patterns: solar panel is powering load together with accumulator；Civil power and solar energy all abnormal patterns: accumulator passes through inverter powering load.
Preferably, use electricity in off-peak hours under pattern, as far as possible without the energy of electrical network described in, i.e. when the output of controller for solar is more than load power demand, solar panel preferentially meets load to inverter power supply, and unnecessary power charges a battery, and commutator is in resting state；When the output of controller for solar is less than load power demand, solar panel preferentially meets load to inverter power supply, and inadequate is supplemented by accumulator, and commutator is in resting state.
Preferably, under the pattern of described AC charging pass, commutator does not charges a battery, i.e. when the output of controller for solar is more than load power demand, solar panel preferentially meets load to inverter power supply, and unnecessary power charges a battery, and commutator is in resting state；When the output of controller for solar is less than load power demand, solar panel preferentially meets load to inverter power supply, and inadequate is supplemented by commutator, is controlled the output electric current of commutator by the second current transformer, commutator only supplements inadequate energy, does not charges the battery.
Preferably, under described normal mode, preferentially ensure batteries to store energy, i.e. when the output of controller for solar is more than load power demand, solar panel preferentially meets load to inverter power supply, and unnecessary power charges a battery, and commutator is in resting state；When the output of controller for solar is less than load power demand, solar panel powering load charging a battery together with commutator.
Intelligent photovoltaic off-network inverter system of the present invention and power consumption control method thereof, it has the beneficial effect that
Devise the photovoltaic off-grid inverter system of a set of intelligence, be in different operational modes in the different electricity consumption time periods and automatically switch, do not use the energy of electrical network in the Peak power use period as far as possible, greatly reduce the electric cost of user；Use the energy of solar panel simultaneously efficiently, decrease the waste of the energy, reach to save the purpose of the energy.When city's electrical anomaly, it is ensured that user's not power-off, meet the need for electricity of user, it is ensured that produce and be carried out continuously.
Accompanying drawing explanation
Fig. 1 is the system topological figure of embodiment of the present invention Intelligent photovoltaic off-network inverter system；
Fig. 2 is the schematic block circuit diagram of embodiment of the present invention Intelligent photovoltaic off-network inverter system；
Fig. 3 is the flow chart of embodiment of the present invention Intelligent photovoltaic off-network inverter system power consumption control method；
Fig. 4 is that use electricity in off-peak hours in embodiment of the present invention Intelligent photovoltaic off-network inverter system power consumption control method pattern, AC charging pass pattern and the electricity of normal mode flows to one of schematic diagram；
Fig. 5 is that use electricity in off-peak hours in the embodiment of the present invention Intelligent photovoltaic off-network inverter system power consumption control method electricity of pattern flows to the two of schematic diagram；
Fig. 6 is that in embodiment of the present invention Intelligent photovoltaic off-network inverter system power consumption control method, the electricity of AC charging pass pattern flows to the two of schematic diagram；
Fig. 7 is that in embodiment of the present invention Intelligent photovoltaic off-network inverter system power consumption control method, the electricity of normal mode flows to the two of schematic diagram；
Fig. 8 is that in embodiment of the present invention Intelligent photovoltaic off-network inverter system power consumption control method, the electricity of civil power and solar energy all abnormal patterns flows to schematic diagram.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment:
Refer to Fig. 1,2, Intelligent photovoltaic off-network inverter system of the present invention, it includes inverter, commutator, controller for solar MPPT and accumulator BAT, also include STS STS, transformator TRANS and network intelligence switch BYPASS(BYP), wherein, STS STS includes STS1 and STS2 of changeable use.
Rectifier input is connected with alternating current power supply (electrical network), rectifier output end is connected with the input of inverter, the outfan shnt capacitor C1 of commutator, the input of an inverter capacitor C2 in parallel, the outfan connection transformer TRANS of inverter, being connected with STS STS2 after the outfan of a transformator TRANS capacitor C3 in parallel, STS STS2 is connected with load LOAD, and STS STS1 is connected with network intelligence switch BYP.
Controller for solar MPPT input is connected with solar panel, and controller for solar MPPT outfan connects the first Current Transmit 1, and the first Current Transmit 1 outfan connects input and the accumulator of inverter.The outfan of accumulator connects the input of soft module of direct current, and the outfan of soft module of direct current connects the input of the second Current Transmit 2, and the outfan of the second Current Transmit 2 connects in the input of inverter.Because the electricity symbol of commutator, inverter and transformator is known, show with electricity symbol table the most in the drawings.
With reference to Fig. 3, the power consumption control method using above-mentioned Intelligent photovoltaic off-network inverter system is:
User can be set to each pattern following in different time sections, and the operation time according to setting changes the most between the various modes.
Use electricity in off-peak hours pattern: gather controller for solar MPPT and the voltage of commutator output, when the output voltage of controller for solar MPPT is higher than the output voltage of commutator, Intelligent photovoltaic off-network inverter system controls to be powered to load LOAD together with accumulator BAT by solar panel PV；Gather the output voltage of accumulator BAT simultaneously, when collecting accumulator BAT and low pressure occurring, open commutator, solar panel PV power to together with commutator load LOAD.
AC charging pass pattern: when accumulator BAT low pressure, Intelligent photovoltaic off-network inverter system controls to be powered to load LOAD together with commutator by solar panel PV, and commutator charges to accumulator BAT.
Normal mode: powered to together with commutator load LOAD by solar panel PV, charge to simultaneously all together accumulator BAT.
Civil power abnormal patterns: solar panel PV powering load together with accumulator BAT.
Civil power and solar energy all abnormal patterns: accumulator BAT powers to load LOAD by inverter.
Specifically: under the pattern of using electricity in off-peak hours, the effect of energy without electrical network as far as possible is reached.With reference to Fig. 4, i.e. when the output of controller for solar MPPT is more than load LOAD power demand, solar panel PV preferentially meets load LOAD to inverter power supply, and unnecessary power charges to accumulator BAT, and commutator is in resting state.Now solar panel PV power=bearing power+accumulator charge power.With reference to Fig. 5, when the output of controller for solar MPPT is less than load LOAD power demand, solar panel PV preferentially meets load LOAD to inverter power supply, and inadequate is supplemented by accumulator BAT, and commutator is in resting state.Now solar panel PV power+battery discharging power=bearing power.
Under the pattern of AC charging pass, commutator charges to accumulator BAT.With reference to Fig. 4, i.e. when the output of controller for solar MPPT is more than load LOAD power demand, solar panel PV preferentially meets load LOAD to inverter power supply, and unnecessary power charges to accumulator BAT, and commutator is in resting state；Now solar panel PV power=bearing power+accumulator charge power.With reference to Fig. 6, when the output of controller for solar MPPT is less than load LOAD power demand, solar panel PV preferentially meets load LOAD to inverter power supply, inadequate is supplemented by commutator, the output electric current of commutator is controlled by the second Current Transmit 2, commutator only supplements inadequate energy, charges to accumulator BAT.Now solar panel PV power+commutator output=bearing power
Under normal mode, preferential guarantee accumulator BAT energy storage.With reference to Fig. 4, i.e. when the output of controller for solar MPPT is more than load LOAD power demand, solar panel PV preferentially meets load LOAD to inverter power supply, and unnecessary power charges to accumulator BAT, and commutator is in resting state；Now solar panel PV power=bearing power+accumulator charge power.With reference to Fig. 7, when the output of controller for solar MPPT is less than load LOAD power demand, solar panel PV together with commutator powering load and give accumulator BAT charge, now solar panel PV power+commutator output=bearing power+battery discharging power.
Civil power abnormal patterns: solar panel PV powers to together with accumulator BAT load LOAD.When the energy of reference Fig. 5, i.e. solar energy is less than load LOAD, solar panel PV powers to together with accumulator BAT load LOAD, now solar panel PV power+battery discharging power=bearing power.
Civil power and solar energy all abnormal patterns: with reference to Fig. 8, accumulator BAT powers to load LOAD by inverter, now battery discharging power=bearing power.
By with upper type, user arranges different patterns in different time sections, can reduce electric cost, improves power consumption efficiency.
When whole system is in photovoltaic UPS pattern, power consumption control method ibid, i.e. includes the pattern of using electricity in off-peak hours, AC charging pass pattern, normal mode, civil power abnormal patterns and civil power and solar energy all abnormal patterns.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (4)
1. the power consumption control method of an Intelligent photovoltaic off-network inverter system, described Intelligent photovoltaic off-network inverter system includes inverter, commutator, controller for solar and accumulator, described rectifier input is connected with alternating current power supply, outfan is connected with the input of described inverter, described inverter output end is connected with load, described controller for solar input is connected with solar panel, and outfan is connected with accumulator and inverter；The outfan of described controller for solar connects the first current transformer, first current transformer connects the input of inverter, it is characterized in that: pattern of using electricity in off-peak hours: gather controller for solar and the voltage of commutator output, when the output voltage of controller for solar is higher than the output voltage of commutator, Intelligent photovoltaic off-network inverter system controls by solar panel powering load together with accumulator；Gather the output voltage of accumulator simultaneously, when collecting accumulator and low pressure occurring, open commutator, by solar panel powering load together with commutator；
AC charging pass pattern: when storage battery low-voltage, Intelligent photovoltaic off-network inverter system controls by solar panel powering load together with commutator, and commutator does not charges the battery；
Normal mode: by solar panel powering load together with commutator, charge the battery simultaneously all together；
Civil power abnormal patterns: solar panel is powering load together with accumulator；
Civil power and solar energy all abnormal patterns: accumulator passes through inverter powering load；
The outfan of described accumulator connects soft module of direct current, and the outfan of soft module of direct current connects the second current transformer, and the second current transformer connects the input of described inverter.
2. according to Intelligent photovoltaic off-network inverter system power consumption control method described in claim 1, it is characterized in that: described in use electricity in off-peak hours under pattern, as far as possible without the energy of electrical network, i.e. when the output of controller for solar is more than load power demand, solar panel preferentially meets load to inverter power supply, unnecessary power charges a battery, and commutator is in resting state；When the output of controller for solar is less than load power demand, solar panel preferentially meets load to inverter power supply, and inadequate is supplemented by accumulator, and commutator is in resting state.
Intelligent photovoltaic off-network inverter system power consumption control method the most according to claim 1, it is characterized in that: under the pattern of described AC charging pass, commutator does not charges a battery, i.e. when the output of controller for solar is more than load power demand, solar panel preferentially meets load to inverter power supply, unnecessary power charges a battery, and commutator is in resting state；When the output of controller for solar is less than load power demand, solar panel preferentially meets load to inverter power supply, and inadequate is supplemented by commutator, is controlled the output electric current of commutator by the second current transformer, commutator only supplements inadequate energy, does not charges the battery.
Intelligent photovoltaic off-network inverter system power consumption control method the most according to claim 1, it is characterized in that: under described normal mode, preferentially ensure batteries to store energy, i.e. when the output of controller for solar is more than load power demand, solar panel preferentially meets load to inverter power supply, unnecessary power charges a battery, and commutator is in resting state；When the output of controller for solar is less than load power demand, solar panel powering load charging a battery together with commutator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308017.3A CN104113133B (en) | 2014-07-01 | 2014-07-01 | Intelligent photovoltaic off-network inverter system and power consumption control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308017.3A CN104113133B (en) | 2014-07-01 | 2014-07-01 | Intelligent photovoltaic off-network inverter system and power consumption control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104113133A CN104113133A (en) | 2014-10-22 |
| CN104113133B true CN104113133B (en) | 2016-10-05 |
Family
ID=51709813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410308017.3A Active CN104113133B (en) | 2014-07-01 | 2014-07-01 | Intelligent photovoltaic off-network inverter system and power consumption control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104113133B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410933B (en) * | 2015-07-28 | 2019-04-26 | 广东爱迪贝克软件科技有限公司 | Photovoltaic off-grid inverter control method and control device |
| CN105976544A (en) * | 2016-06-29 | 2016-09-28 | 厦门日华科技股份有限公司 | Emergency alarm device |
| CN107579590A (en) * | 2016-07-05 | 2018-01-12 | 伊顿飞瑞慕品股份有限公司 | Off-grid type uninterrupted power source |
| CN109030968B (en) * | 2017-06-09 | 2021-02-23 | 中国电力科学研究院有限公司 | Energy storage system grid-connection and off-grid test system and method |
| CN109901659B (en) * | 2019-03-01 | 2021-09-07 | 湖南诺诚光伏能源有限公司 | Photovoltaic off-grid inverter MPPT control system |
| CN109960307B (en) * | 2019-03-01 | 2021-06-22 | 湖南诺诚光伏能源有限公司 | MPPT active disturbance rejection control method for photovoltaic off-grid inverter |
| CN112688385A (en) * | 2020-12-15 | 2021-04-20 | 深圳市比比赞科技有限公司 | Off-network load wireless intelligent control method and system |
| CN113193645B (en) * | 2021-04-22 | 2022-08-09 | 四川荣创新能动力系统有限公司 | Control method of hydrogen fuel cell emergency power supply system |
| CN114123519B (en) * | 2021-10-21 | 2022-10-28 | 国网山东省电力公司滨州市滨城区供电公司 | Intelligent energy storage power station system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100588077C (en) * | 2008-04-11 | 2010-02-03 | 浙江省能源研究所 | Solar and commercial power complementary uninterruptable power system |
| CN101345500B (en) * | 2008-05-16 | 2010-09-29 | 广东志成冠军集团有限公司 | Photovoltaic power generation system with grid-connected generation, independent power generation and UPS function |
| CN201556968U (en) * | 2009-12-08 | 2010-08-18 | 广州东芝白云菱机电力电子有限公司 | Uninterruptible power supply remote monitoring system |
| CN201910657U (en) * | 2010-06-11 | 2011-07-27 | 燕山大学 | Solar energy power switching controller |
| CN102624018B (en) * | 2012-03-31 | 2014-05-14 | 东北大学 | Distributed hybrid power supply intelligent grid system and control method |
| CN202586367U (en) * | 2012-06-12 | 2012-12-05 | 肖连生 | Photovoltaic power generation energy storage system |
| CN102916481B (en) * | 2012-08-16 | 2015-08-26 | 深圳微网能源管理系统实验室有限公司 | A kind of energy management method of direct current micro-grid system |
| CN203166587U (en) * | 2013-03-29 | 2013-08-28 | 泉州市英德光电科技有限公司 | Solar energy storage power supply system |
| CN103779952B (en) * | 2014-02-20 | 2015-11-11 | 张立伟 | Solar powered and generating integrated frequency conversion system |
-
2014
- 2014-07-01 CN CN201410308017.3A patent/CN104113133B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104113133A (en) | 2014-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104113133B (en) | Intelligent photovoltaic off-network inverter system and power consumption control method thereof | |
| CN102427266B (en) | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof | |
| CN101860270B (en) | Access system for adequately utilizing wind energy and solar energy and realization method thereof | |
| CN204243874U (en) | A kind of data center high-voltage direct current (DC) power system | |
| CN203368044U (en) | Bidirectional ac/dc multi-power-supply multi-load safe-isolation micro electrical network system | |
| CN202424240U (en) | Multifunctional photovoltaic UPS (Uninterruptible Power Supply) system | |
| CN204179989U (en) | Based on the scene oil complementary power generation system of DC bus | |
| CN203761319U (en) | Comprehensive type distributed photovoltaic energy storage system | |
| CN202712876U (en) | Solar photovoltaic microgrid grid-connected power generation system | |
| CN106329576B (en) | A kind of novel photovoltaic is from grid-connected inverter | |
| CN203261105U (en) | Power system of PRU communication base station | |
| CN103762630A (en) | Rectifier circuit and UPS system thereof | |
| CN203574588U (en) | Household modular wind-solar complementary energy storage system | |
| CN203491708U (en) | AC-DC intelligent allocating energy-storage current commutation apparatus | |
| CN203859575U (en) | Reverse control integrated machine of hybrid power photovoltaic energy-storage system | |
| CN203352269U (en) | Solar power supply system for providing uninterrupted alternating current power supply | |
| CN202798105U (en) | Wind and solar complemented intelligent control system of communication base station | |
| CN205070576U (en) | Hybrid -type circuit topology structure | |
| CN103840548B (en) | A kind of transformer substation system with micro-grid system | |
| CN105515154A (en) | Off-grid/grid-connected household energy storage system | |
| CN105186672A (en) | Hybrid circuit topology structure | |
| CN203362434U (en) | Photovoltaic water pump of drainage system | |
| CN206099502U (en) | Photovoltaic power plant battery management system | |
| CN203151120U (en) | Household hybrid power supply system | |
| CN104767468A (en) | Solar server control system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |