CN103683467B - A kind of independent photovoltaic electric power system with self-starting function - Google Patents
A kind of independent photovoltaic electric power system with self-starting function Download PDFInfo
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- CN103683467B CN103683467B CN201210341221.6A CN201210341221A CN103683467B CN 103683467 B CN103683467 B CN 103683467B CN 201210341221 A CN201210341221 A CN 201210341221A CN 103683467 B CN103683467 B CN 103683467B
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- 238000012544 monitoring process Methods 0.000 claims description 28
- 238000010276 construction Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 2
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- 230000002159 abnormal effect Effects 0.000 description 1
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- 238000005286 illumination Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to photovoltaic generation power supply technique field, be specifically related to a kind of independent photovoltaic electric power system with self-starting function.Technical solution of the present invention passes through the control of Systematical control and control panel module; and the automatic electric power regulation and control that the Power Electronic Circuit arranged realizes; make system after cancel closedown; in the electrical path that shutoff conventional load is powered; while closed conducting emergency service path; the quick electric power storage path of conducting photovoltaic electric power and photovoltaic electric power self-starting power path, make photovoltaic power supply system complete self-starting and enter normal operating condition.In remote districts for the user without technical capability and the condition of maintenance, without the need to waiting for rescue, system enters normal power generation power supply state by self-starting, decrease the investment of system O&M for user and bring great convenience to user's use, substantially increase the service efficiency of photovoltaic power supply system, improve the resource utilization of equipment and solar energy, the investment return of adding users.
Description
Technical field
The invention belongs to photovoltaic generation power supply technique field, be specifically related to a kind of independent photovoltaic electric power system with self-starting function.
Background technology
Independent photovoltaic electric power system namely often say from net photovoltaic power supply system, be widely used in remote areas without electricity, and along with progress and the development of photovoltaic technology and industry, cost constantly reduces, at first based on the microminiature simple and easy independent photovoltaic electric power system of tens watts of power for DC electric apparatus such as illuminations, developing into a few hectowatt gradually to tens of kilowatt has the independent photovoltaic electric power system of inverter function based on Alternating Current Power Supply, system capability constantly promotes, and also makes systems technology performance and system O&M add difficulty thus.According to prior art and product, the necessary condition of its work of independent photovoltaic electric power system is exactly the electric power that starts of system must be secure, when abnormal use, (bearing power is excessive, inverter protectiveness is shut down) need artificial starting up's system again, during too low the or fault of accumulator electric-quantity, there will be power supply situation that is too low and that can supply without electricity, now system out of servicely maybe will can not start and enters running status, and system due to out of service can not be storage battery electric power storage, that is: system because of do not meet service condition or use misoperation enter protectiveness shut down and system non-hardware fault or damage cause shutting down time, can not recover voluntarily and self-starting, necessary manpower intervention, in remote districts for the user without technical capability and the condition of maintenance, just must wait for rescue, add the cost of system O&M and cause custom system to generate electricity and non-serviceable defect, greatly reduce the utilance of equipment and solar energy resources.
Summary of the invention
In order to overcome the above-mentioned defect of prior art and product, by arranging autostart function and corresponding component in the undamaged cancel closedown situation of system, after making it shut down, electric power storage enters running status with also automatic startup of powering voluntarily, the present invention proposes a kind of independent photovoltaic electric power system with self-starting function for this reason, comprise: photovoltaic electrification component, monitoring and protecting circuit, photovoltaic controller, inverter, electric capacity electric storage means, threshold switch circuit, photovoltaic direct-furnish electric-controlled switch, discharge and recharge dispensable circuit, photovoltaic inversion is powered electric-controlled switch, photovoltaic direct-furnish counterflow-preventing circuit, accumulating system is powered counterflow-preventing circuit, electric power storage Alternating Current Power Supply threshold circuit, system power supply and circuit, Systematical control and control panel module, batteries, DC load port, AC load port, emergency load port and emergency electric power bus are formed, it is characterized in that:
Photovoltaic electrification component connects monitoring and protecting circuit and connects emergency load port by photovoltaic direct-furnish electric-controlled switch and emergency electric power bus, forms photovoltaic electric power emergency service path;
Photovoltaic electrification component connects monitoring and protecting circuit and connects electric capacity electric storage means by photovoltaic direct-furnish electric-controlled switch and emergency electric power bus, forms the quick electric power storage path of photovoltaic electric power;
Photovoltaic electrification component connects monitoring and protecting circuit and is also connected in series photovoltaic direct-furnish counterflow-preventing circuit, system power supply and circuit, Systematical control and control panel module in turn by photovoltaic direct-furnish electric-controlled switch and emergency electric power bus connect threshold switching circuit, forms photovoltaic electric power self-starting power path;
Photovoltaic electrification component connects monitoring and protecting circuit and connects electric capacity electric storage means by photovoltaic direct-furnish electric-controlled switch and emergency electric power bus, also be connected in series photovoltaic direct-furnish counterflow-preventing circuit, system power supply and circuit, Systematical control and control panel module in turn by electric capacity electric storage means connect threshold switching circuit, form capacitive power electric power storage and self-starting power path;
Photovoltaic electrification component in turn tandem connection monitoring protective circuit, photovoltaic controller, photovoltaic inversion is powered electric-controlled switch, inverter and AC load port, forms photovoltaic electric power Alternating Current Power Supply electrical path;
Photovoltaic electrification component is tandem connection monitoring protective circuit, photovoltaic controller, discharge and recharge dispensable circuit and batteries in turn, forms photovoltaic electric power storage charge path;
Batteries connects DC load port by discharge and recharge dispensable circuit, forms electric power storage direct current supply path;
Batteries is connected in series electric power storage Alternating Current Power Supply threshold circuit in turn by discharge and recharge dispensable circuit, photovoltaic inversion powers electric-controlled switch, inverter and AC load port, forms electric power storage Alternating Current Power Supply path;
Batteries is connected in series accumulating system in turn by discharge and recharge dispensable circuit and powers counterflow-preventing circuit, system power supply and circuit and Systematical control and control panel module, construction system power path;
Systematical control and control panel module connect monitoring and protecting circuit respectively by system bus, photovoltaic direct-furnish electric-controlled switch, discharge and recharge dispensable circuit, photovoltaic inversion power electric-controlled switch, construction system regulation and controlling of information link;
The feature of its system control method is: after system exception is shut down, and photovoltaic direct-furnish electric-controlled switch closes automatically and photovoltaic inversion is powered, and electric-controlled switch disconnects automatically, when photovoltaic electrification component generates electricity, electric power supply emergency electric power bus photovoltaic electrification component sent by monitoring and protecting circuit and photovoltaic direct-furnish electric-controlled switch, emergency load port is made to obtain emergence power simultaneously, it is also the quick charge of electric capacity electric storage means, when charge volume reaches set point, threshold switch circuit turn-on be system power supply and circuit and Systematical control and control panel module for power supply through photovoltaic direct-furnish counterflow-preventing circuit, make system possess startup required electric power and complete self-starting, after Systematical control and control panel module enter system startup optimization state, carry out regulating and controlling to the conducting of photovoltaic electric power electric power storage charge path, for battery charging, when the System recover that electric power storage reaches default runs required charge value, system is controlled by Systematical control and control panel module after entering normal operation, turn off photovoltaic direct-furnish electric-controlled switch and control photovoltaic inversion power electric-controlled switch close, make photovoltaic power supply system transfer system to from emergency service state and normally run power supply state, the self-starting of completion system.
A kind of independent photovoltaic electric power system with self-starting function of the present invention, described photovoltaic direct-furnish electric-controlled switch is normally closed conjunction electric-controlled switch.
A kind of independent photovoltaic electric power system with self-starting function of the present invention, described photovoltaic inversion electric-controlled switch of powering is that normal off opens electric-controlled switch.
By the enforcement of technical solution of the present invention, when system normal boot-strap runs, controlled by Systematical control and control panel module after start, turn off photovoltaic direct-furnish electric-controlled switch and control photovoltaic inversion power electric-controlled switch close, photovoltaic power supply system is entered and normally runs power supply state, when running into photovoltaic power supply system exception and shutting down, no longer need manual intervention starting up's system again, make system when entering protectiveness shutdown and system non-hardware fault or damage because not meeting service condition or use misoperation and causing shutting down, technical solution of the present invention can realize automatic recovery system and run, in remote districts for the user without technical capability and the condition of maintenance, without the need to waiting for rescue, system enters normal power generation power supply state by self-starting, decrease the investment of system O&M for user and bring great convenience to user's use, substantially increase the service efficiency of photovoltaic power supply system, improve the resource utilization of equipment and solar energy, the investment return of adding users.
Accompanying drawing explanation
Accompanying drawing Fig. 1 is a kind of independent photovoltaic electric power system schematic block diagram with self-starting function.
Embodiment
As examples of implementation, by reference to the accompanying drawings a kind of independent photovoltaic electric power system with self-starting function of the present invention is described, but technology of the present invention and scheme are not limited to the content that the present embodiment provides.
Drawings illustrate a kind of schematic block diagram with the independent photovoltaic electric power system of self-starting function.As shown in the figure, a kind of independent photovoltaic electric power system with self-starting function that the present invention proposes, comprise: photovoltaic electrification component (1), monitoring and protecting circuit (2), photovoltaic controller (3), inverter (4), electric capacity electric storage means (5), threshold switch circuit (6), photovoltaic direct-furnish electric-controlled switch (7a), discharge and recharge dispensable circuit (7b), photovoltaic inversion is powered electric-controlled switch (7c), photovoltaic direct-furnish counterflow-preventing circuit (8a), accumulating system is powered counterflow-preventing circuit (8b), electric power storage Alternating Current Power Supply threshold circuit (8c), system power supply and circuit (9), Systematical control and control panel module (10), batteries (11), DC load port (12), AC load port (13), emergency load port (14) and emergency electric power bus (15) are formed, it is characterized in that:
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and connects emergency load port (14) by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15), forms photovoltaic electric power emergency service path;
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and connects electric capacity electric storage means (5) by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15), forms the quick electric power storage path of photovoltaic electric power;
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and is connected in series photovoltaic direct-furnish counterflow-preventing circuit (8a), system power supply and circuit (9), Systematical control and control panel module (10) in turn by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15) connect threshold switching circuit (6), forms self-starting power path;
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and connects electric capacity electric storage means (5) by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15), by electric capacity electric storage means (5) connect threshold switching circuit (6) and be in turn connected in series photovoltaic direct-furnish counterflow-preventing circuit (8a), system power supply and circuit (9), Systematical control and control panel module (10), form capacitive power electric power storage and self-starting power path;
Photovoltaic electrification component (1) in turn tandem connection monitoring protective circuit (2), photovoltaic controller (3), photovoltaic inversion is powered electric-controlled switch (7c), inverter (4) and AC load port (13), forms photovoltaic electric power Alternating Current Power Supply electrical path;
Photovoltaic electrification component (1) is tandem connection monitoring protective circuit (2), photovoltaic controller (3), discharge and recharge dispensable circuit (7b) and batteries (11) in turn, forms photovoltaic electric power storage charge path;
Batteries (11) connects DC load port (12) by discharge and recharge dispensable circuit (7b), forms electric power storage direct current supply path;
Batteries (11) is connected in series electric power storage Alternating Current Power Supply threshold circuit (8c) in turn by discharge and recharge dispensable circuit (7b), photovoltaic inversion is powered electric-controlled switch (7c), inverter (4) and AC load port (13), forms electric power storage Alternating Current Power Supply path;
Batteries (11) is connected in series accumulating system in turn by discharge and recharge dispensable circuit (7b) and powers counterflow-preventing circuit (8b), system power supply and circuit (9) and Systematical control and control panel module (10), construction system power path;
Systematical control and control panel module (10) connect monitoring and protecting circuit (2) respectively by system bus (16), photovoltaic direct-furnish electric-controlled switch (7a), discharge and recharge dispensable circuit (7b), photovoltaic inversion power electric-controlled switch (7c), construction system regulation and controlling of information link;
The feature of its system control method is: after system exception is shut down, and photovoltaic direct-furnish electric-controlled switch (7a) closes automatically and photovoltaic inversion is powered, and electric-controlled switch (7c) disconnects automatically, when photovoltaic electrification component (1) generates electricity, electric power supply emergency electric power bus (15) photovoltaic electrification component (1) sent by monitoring and protecting circuit (2) and photovoltaic direct-furnish electric-controlled switch (7a), emergency load port (14) is made to obtain emergence power simultaneously, it is also electric capacity electric storage means (5) quick charge, when charge volume reaches set point, threshold switch circuit (6) conducting be system power supply and circuit (9) and Systematical control and control panel module (10) power supply through photovoltaic direct-furnish counterflow-preventing circuit (8a), make system possess startup required electric power and complete self-starting, after Systematical control and control panel module (10) enter system startup optimization state, carry out regulating and controlling to the conducting of photovoltaic electric power electric power storage charge path, for batteries (11) charging, when the System recover that electric power storage reaches default runs required charge value, system is controlled by Systematical control and control panel module (10) after entering normal operation, turn off photovoltaic direct-furnish electric-controlled switch (7a) and control photovoltaic inversion power electric-controlled switch (7c) close, make photovoltaic power supply system transfer system to from emergency service state and normally run power supply state, the self-starting of completion system.
A kind of independent photovoltaic electric power system with self-starting function of the present invention, described photovoltaic direct-furnish electric-controlled switch (7a) is normally closed conjunction electric-controlled switch.
A kind of independent photovoltaic electric power system with self-starting function of the present invention, described photovoltaic inversion electric-controlled switch (7c) of powering opens electric-controlled switch for normal off.
Described from the present embodiment, by the enforcement of technical solution of the present invention, when system normal boot-strap runs, controlled by Systematical control and control panel module (10) after start, turn off photovoltaic direct-furnish electric-controlled switch (7a) and control photovoltaic inversion power electric-controlled switch (7c) close, photovoltaic power supply system is entered and normally runs power supply state, when running into photovoltaic power supply system exception and shutting down, the photovoltaic direct-furnish electric-controlled switch (7a) of technical solution of the present invention by arranging, photovoltaic inversion is powered electric-controlled switch (7c), photovoltaic direct-furnish counterflow-preventing circuit (8a), accumulating system is powered counterflow-preventing circuit (8b), electric power storage Alternating Current Power Supply threshold circuit (8c) each Power Electronic Circuit realizes automatic electric power regulation and control, make system after cancel closedown, in the electrical path that shutoff conventional load is powered, while closed conducting emergency service path, the quick electric power storage path of conducting photovoltaic electric power and photovoltaic electric power self-starting power path.Photovoltaic power supply system is made to reach the necessary condition of its operation work; namely the electric power that system starts obtains preferential guarantee; when the System recover that electric power storage reaches default runs required charge value; system completes self-starting and enters normal operation, is communicated by Systematical control and control panel module (10) and regulates and controls monitoring and protecting circuit (2), photovoltaic direct-furnish electric-controlled switch (7a), discharge and recharge dispensable circuit (7b), photovoltaic inversion electric-controlled switch (7c) of powering.
Claims (3)
1. one kind has the independent photovoltaic electric power system of self-starting function, comprise: photovoltaic electrification component (1), monitoring and protecting circuit (2), photovoltaic controller (3), inverter (4), electric capacity electric storage means (5), threshold switch circuit (6), photovoltaic direct-furnish electric-controlled switch (7a), discharge and recharge dispensable circuit (7b), photovoltaic inversion is powered electric-controlled switch (7c), photovoltaic direct-furnish counterflow-preventing circuit (8a), accumulating system is powered counterflow-preventing circuit (8b), electric power storage Alternating Current Power Supply threshold circuit (8c), system power supply and circuit (9), Systematical control and control panel module (10), batteries (11), DC load port (12), AC load port (13), emergency load port (14) and emergency electric power bus (15) are formed, it is characterized in that:
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and connects emergency load port (14) by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15), forms photovoltaic electric power emergency service path;
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and connects electric capacity electric storage means (5) by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15), forms the quick electric power storage path of photovoltaic electric power;
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and is connected in series photovoltaic direct-furnish counterflow-preventing circuit (8a), system power supply and circuit (9), Systematical control and control panel module (10) in turn by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15) connect threshold switching circuit (6), forms photovoltaic electric power self-starting power path;
Photovoltaic electrification component (1) connects monitoring and protecting circuit (2) and connects electric capacity electric storage means (5) by photovoltaic direct-furnish electric-controlled switch (7a) and emergency electric power bus (15), by electric capacity electric storage means (5) connect threshold switching circuit (6) and be in turn connected in series photovoltaic direct-furnish counterflow-preventing circuit (8a), system power supply and circuit (9), Systematical control and control panel module (10), form capacitive power electric power storage and self-starting power path;
Photovoltaic electrification component (1) in turn tandem connection monitoring protective circuit (2), photovoltaic controller (3), photovoltaic inversion is powered electric-controlled switch (7c), inverter (4) and AC load port (13), forms photovoltaic electric power Alternating Current Power Supply electrical path;
Photovoltaic electrification component (1) is tandem connection monitoring protective circuit (2), photovoltaic controller (3), discharge and recharge dispensable circuit (7b) and batteries (11) in turn, forms photovoltaic electric power storage charge path;
Batteries (11) connects DC load port (12) by discharge and recharge dispensable circuit (7b), forms electric power storage direct current supply path;
Batteries (11) is connected in series electric power storage Alternating Current Power Supply threshold circuit (8c) in turn by discharge and recharge dispensable circuit (7b), photovoltaic inversion is powered electric-controlled switch (7c), inverter (4) and AC load port (13), forms electric power storage Alternating Current Power Supply path;
Batteries (11) is connected in series accumulating system in turn by discharge and recharge dispensable circuit (7b) and powers counterflow-preventing circuit (8b), system power supply and circuit (9) and Systematical control and control panel module (10), construction system power path;
Systematical control and control panel module (10) connect monitoring and protecting circuit (2) respectively by system bus (16), photovoltaic direct-furnish electric-controlled switch (7a), discharge and recharge dispensable circuit (7b), photovoltaic inversion power electric-controlled switch (7c), construction system regulation and controlling of information link;
The feature of its system control method is: after system exception is shut down, and photovoltaic direct-furnish electric-controlled switch (7a) closes automatically and photovoltaic inversion is powered, and electric-controlled switch (7c) disconnects automatically, when photovoltaic electrification component (1) generates electricity, electric power supply emergency electric power bus (15) photovoltaic electrification component (1) sent by monitoring and protecting circuit (2) and photovoltaic direct-furnish electric-controlled switch (7a), emergency load port (14) is made to obtain emergence power simultaneously, it is also electric capacity electric storage means (5) quick charge, when charge volume reaches set point, threshold switch circuit (6) conducting be system power supply and circuit (9) and Systematical control and control panel module (10) power supply through photovoltaic direct-furnish counterflow-preventing circuit (8a), make system possess startup required electric power and complete self-starting, after Systematical control and control panel module (10) enter system startup optimization state, carry out regulating and controlling to the conducting of photovoltaic electric power electric power storage charge path, for batteries (11) charging, when the System recover that electric power storage reaches default runs required charge value, system is controlled by Systematical control and control panel module (10) after entering normal operation, turn off photovoltaic direct-furnish electric-controlled switch (7a) and control photovoltaic inversion power electric-controlled switch (7c) close, system transfers system to from emergency service state and normally runs power supply state, the self-starting of completion system.
2. have the independent photovoltaic electric power system of self-starting function according to claim 1 one kind, described photovoltaic direct-furnish electric-controlled switch (7a) is normally closed conjunction electric-controlled switch.
3. have the independent photovoltaic electric power system of self-starting function according to claim 1 one kind, described photovoltaic inversion electric-controlled switch (7c) of powering opens electric-controlled switch for normal off.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341221.6A CN103683467B (en) | 2012-09-17 | 2012-09-17 | A kind of independent photovoltaic electric power system with self-starting function |
| CN2012204695896U CN202798128U (en) | 2012-09-17 | 2012-09-17 | Independent photovoltaic power supply system with self-starting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341221.6A CN103683467B (en) | 2012-09-17 | 2012-09-17 | A kind of independent photovoltaic electric power system with self-starting function |
| CN2012204695896U CN202798128U (en) | 2012-09-17 | 2012-09-17 | Independent photovoltaic power supply system with self-starting function |
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| CN103683467A CN103683467A (en) | 2014-03-26 |
| CN103683467B true CN103683467B (en) | 2015-08-12 |
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| CN2012204695896U Expired - Lifetime CN202798128U (en) | 2012-09-17 | 2012-09-17 | Independent photovoltaic power supply system with self-starting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103928942B (en) * | 2014-04-18 | 2015-10-28 | 芜湖职业技术学院 | A kind of light storage joint distributed power generation off-grid system black-start method |
| JP6660061B2 (en) | 2014-12-16 | 2020-03-04 | エービービー シュヴァイツ アクチェンゲゼルシャフト | Energy consumption of energy panel equipment |
| CN107431097B (en) | 2015-01-28 | 2020-02-14 | Abb瑞士股份有限公司 | Energy panel arrangement closure |
| WO2016134356A1 (en) | 2015-02-22 | 2016-08-25 | Abb Technology Ag | Photovoltaic string reverse polarity detection |
| CN106300329B (en) * | 2016-08-30 | 2019-02-01 | 中国科学院上海微系统与信息技术研究所 | Photovoltaic autonomous intelligence power supply system and method for supplying power to |
| CN108631410B (en) * | 2018-06-22 | 2024-06-25 | 河南森源电气股份有限公司 | Photovoltaic power generation unit self-starting control device and power supply system |
| CN111478380B (en) * | 2019-01-24 | 2021-07-30 | 宁德时代新能源科技股份有限公司 | Energy storage system and self-starting method thereof |
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| CN202798128U (en) | 2013-03-13 |
| CN103683467A (en) | 2014-03-26 |
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