CN101877499A - Method and system for continuously supplying power by solar energy and commercial power - Google Patents
Method and system for continuously supplying power by solar energy and commercial power Download PDFInfo
- Publication number
- CN101877499A CN101877499A CN2010101459990A CN201010145999A CN101877499A CN 101877499 A CN101877499 A CN 101877499A CN 2010101459990 A CN2010101459990 A CN 2010101459990A CN 201010145999 A CN201010145999 A CN 201010145999A CN 101877499 A CN101877499 A CN 101877499A
- Authority
- CN
- China
- Prior art keywords
- solar energy
- mains
- civil power
- energy system
- mains system
- 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.)
- Granted
Links
Images
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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a method and a system for continuously supplying power by solar energy and commercial power. The method comprises the following steps of: 1, judging whether communication between a solar energy system and a commercial power system is normal or not, and if the communication is normal, performing a step 3, and if the communication is abnormal, performing a step 2; 2, setting the commercial power system in a fixed floating charge state; and 3, automatically managing the commercial power system on the basis of information acquired from the solar energy system and automatically managing the solar energy system on the basis of the information acquired from the commercial power system. The method and the system for continuously supplying power by the solar energy and the commercial power are used for performing automatic management on the commercial power system on the basis of the information acquired from the solar energy system and performing the automatic management on the solar energy system on the basis of the information acquired from the commercial power system through the communication between the solar energy and the commercial power system, and thus realizing perfect combination of the solar energy and the commercial power to provide reliable power supply which is not influenced by switching time.
Description
Technical field
The present invention relates to electric power system, more particularly, relate to continuous method of supplying power to of a kind of solar energy and civil power and system thereof.
Background technology
The electric main system occupies most of electrity market all the time because of its stability, continuity.Yet,, energy-conservationly paid attention to by people day by day along with the development of society.Solar energy since its advantage such as pollution-free, renewable and inexhaustible be widely used.But because weather or other reasons, solar energy may be discontinuous on time and power, brought inconvenience therefore for many occasions of utilizing.Therefore, some areas have formed the supply power mode with solar energy and the complementary power supply of mains system.
Disclose a kind of complementary solar energy uninterrupted power supply controller as Chinese utility application ZL200620153408.3, it comprises that multi-functional control module, AC/DC switching controls module are in order to realize solar cell, storage battery and the switching of electric main time.But a kind of like this solar energy and civil power complementary system structure are too simple, the function reduction, and have handoff procedure.Even can shorten its switching time by such complementary system is improved, also be tantamount to make a desperate move a such switching time concerning the very high occasion of some reliability requirements.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of and not influenced by switching time, thereby solar energy and civil power perfect adaptation can be provided the solar energy and the continuous method of supplying power to of civil power of reliable power supply.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of solar energy and civil power continuous method of supplying power to, comprising:
S1, judge solar energy system communicate by letter with mains system whether normal, if execution in step S3 otherwise execution in step S2;
S2, the described mains system of setting are fixing floating charge state;
S3, carry out mains system based on the information of obtaining from described solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from described mains system and manage automatically.
In solar energy of the present invention and the continuous method of supplying power to of civil power, described step S2 further comprises:
The described mains system of current limliting when the output current of described mains system is higher than the mains system current-limiting points.
The continuous method of supplying power to of solar energy of the present invention and civil power, in described step S3, described based on carry out from the information of obtaining of described solar energy system mains system automatically management comprise:
S31, described mains system are obtained the even charging voltage and the float charge voltage of described solar energy system from described solar energy system;
The even charging voltage of S32, the described mains system of control is less than or equal to the intermediate value of the even charging voltage of described solar energy system, and the float charge voltage of described mains system is less than or equal to the lower limit of the float charge voltage of described solar energy system.
In solar energy of the present invention and the continuous method of supplying power to of civil power, the float charge voltage of described solar energy system is 52.8～54.8V, and the even charging voltage of described solar energy system is 55.4～57V; The even charging voltage default value of described mains system is 55.4V, and the float charge voltage default value of described mains system is 50.8V.
The continuous method of supplying power to of solar energy of the present invention and civil power in described step S3, describedly further comprises based on carrying out the automatic management of mains system from the information of obtaining of described solar energy system:
Described mains system is obtained described solar energy system self check information from described solar energy system;
After treating that described solar energy system self check finishes, described mains system is carried out current limliting handle.
The continuous method of supplying power to of solar energy of the present invention and civil power in described step S3, describedly further comprises based on carrying out the automatic management of mains system from the information of obtaining of described solar energy system:
Described mains system is carried out peak regulation so that the use amount of civil power to be set.
The continuous method of supplying power to of solar energy of the present invention and civil power, in described step S3, described based on the information of obtaining from described mains system carry out solar energy system automatically management comprise:
S3a, described solar energy system obtain the charged state of described mains system from described mains system;
S3b, described solar energy system all fill or floating charge based on the charged state of the described mains system of obtaining.
The continuous method of supplying power to of solar energy of the present invention and civil power, in described step S3, describedly carry out the automatic management of solar energy system based on the information of obtaining from described mains system and further comprise:
Obtain the civil power access information from described mains system;
Based on described civil power access information, the described mains system self check of described solar energy system request;
After waiting to receive the self check information that described mains system sends, described solar energy system carries out self check.
The continuous method of supplying power to of solar energy of the present invention and civil power, in described step S3, describedly carry out the automatic management of solar energy system based on the information of obtaining from described mains system and further comprise:
When the oily machine overcurrent of described solar energy system, described solar energy system is closed all photovoltaics;
Described solar energy system enters exception handling procedure.
Another technical scheme that the present invention solves its technical problem employing is, construct a kind of solar energy and civil power uninterruptible power supply system, comprise solar energy system and mains system, wherein said solar energy further comprises with the civil power uninterruptible power supply system and is used for the communication module that described solar energy system is communicated by letter with mains system
Described solar energy system comprises solar powered module and solar energy monitoring module,
Described mains system comprises mains-supplied module and civil power monitoring module;
When described communication module operate as normal, described civil power monitoring module obtains the information of described solar energy system by described communication module and manages automatically based on carrying out mains system from the information of obtaining of described solar energy system, and described solar energy monitoring module obtains the information of described mains system by described communication module and carries out solar energy system based on the information of obtaining from described mains system and manage automatically;
When described communication module operation irregularity, described civil power monitoring module is set described mains system and is fixing floating charge state, and described civil power monitoring module is in the output current of the described mains system described mains system of current limliting during greater than the civil power current-limiting points.
Implement continuous method of supplying power to of solar energy of the present invention and civil power and system, come to carry out the automatic management of mains system based on the information of obtaining from described solar energy system respectively and carry out solar energy system based on the information of obtaining from described mains system and manage automatically by the communication between solar energy system and the mains system, make in the continuous power supply process of whole solar energy system and mains system, the switching of all solar energy systems and each management process of mains system the information that provides each other all is provided carries out, therefore can not occur being subjected to each management process to influence required switching time, thereby provide reliable power supply solar energy and civil power perfect adaptation.
Further, implement continuous method of supplying power to of solar energy of the present invention and civil power and system, can also utilize solar energy fully reliably, the civil power use amount is set flexibly, realize using electricity in off-peak hours.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the flow chart of first embodiment of solar energy of the present invention and the continuous method of supplying power to of civil power;
Fig. 2 is the flow chart of second embodiment of solar energy of the present invention and the continuous method of supplying power to of civil power;
Fig. 3 is the current limliting process chart of described mains system of the present invention;
Fig. 4 is the abnormality processing flow chart of described solar energy system of the present invention;
Fig. 5 is the current limliting process chart of described solar energy system of the present invention;
Fig. 6 is the theory diagram of first embodiment of solar energy of the present invention and civil power uninterruptible power supply system;
Fig. 7 is the theory diagram of second embodiment of solar energy of the present invention and civil power uninterruptible power supply system.
Embodiment
Various aspects of the present invention comprise solar energy and continuous method of supplying power to of civil power and system.In the present invention, described solar energy system and mains system can be basic identical with prior art, and described solar energy system comprises solar powered module and solar energy monitoring module.Wherein those skilled in the art know, in a preferred embodiment of the invention, described mains-supplied module can comprise external civil power and the rectification circuit that is electrically connected with the city.Described solar powered module can comprise the photovoltaic square formation that is cascaded successively, is used for the battery of storage of electrical energy, fan unit, oily machine unit or the like.The control of above-mentioned module can be carried out according to prior art.
In addition, those skilled in the art know, hereinafter mentioned in solar energy system or mains system " self check ", actions such as " current limlitings " be meant for the stable operation that guarantees solar energy system and mains system self with and the output current that provided stable and the operation that must carry out.
Fig. 1 is the flow chart of first embodiment of solar energy of the present invention and the continuous method of supplying power to of civil power.As shown in Figure 1, in step S1, judge at first whether normal solar energy system communicates by letter with mains system.If the communication of judging is normal, execution in step S3 then, otherwise execution in step S2.The communication means of known multiple systems and equipment room in this area for example can be realized communication between described solar energy system and the mains system by bluetooth, infrared, communication bus (interconnected such as the power line) or the like known any communication technology.
In step S2, just when judging solar energy system and mains system communication abnormality, the direct described mains system floating charge state that is set to fix.At this, described communication abnormality may be meant that solar energy system and mains system can't obtain information each other, be meant perhaps that the information of obtaining lacks to some extent to cause carrying out judgment processing accurately, and also can be other situations.At this moment, occur simultaneously all filling state for fear of solar energy system and mains system, cause total output current excessive, the floating charge state that direct mains system is set to fix does not deal with solar energy system simultaneously.In one embodiment of the invention, the floating charge pressure point of power-supply system is 52V.In a preferred embodiment of the invention, in order to guarantee the stable of whole solar energy and mains system, after the floating charge state that described mains system is arranged to fix, further measure the output current of mains system.When this civil power output current during, described mains system is carried out current limliting greater than the civil power current-limiting points.Those skilled in the art can be provided with described civil power current-limiting points according to actual needs.For example, in one embodiment of the invention, the total current-limiting points of described civil power current-limiting points=solar energy and civil power-solar energy system amount of imports constant volume * 0.8.In another preferred embodiment of the present invention, after the floating charge state that described mains system is arranged to fix, can also report communication abnormality between solar energy system and the mains system by variety of way.Such as, can on display screen, show, perhaps dodge and report to the police or the like by jingle bell or lamp.
In step S3, just communicate by letter just often with mains system at the judgement solar energy system, carry out mains system based on the information of obtaining from described solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from described mains system and manage automatically.Wherein, in a preferred embodiment of the invention, the information of obtaining from described solar energy system can comprise as charging status information, self check information and/or current limliting information.
Those skilled in the art know, the communication of indication herein normally is meant, solar energy system and mains system can be from obtaining information each other, and the information that obtains is enough to realize management automatically for it.
Implement the continuous method of supplying power to of above-mentioned solar energy and civil power, come to carry out the automatic management of mains system based on the information of obtaining from described solar energy system respectively and carry out solar energy system based on the information of obtaining from described mains system and manage automatically by the communication between solar energy system and the mains system, make in the continuous power supply process of whole solar energy system and mains system, the switching of all solar energy systems and each management process of mains system the information that provides each other all is provided carries out, therefore can not occur being subjected to each management process to influence required switching time, thereby provide reliable power supply solar energy and civil power perfect adaptation.
Fig. 2 is the flow chart of second embodiment of solar energy of the present invention and the continuous method of supplying power to of civil power.As shown in Figure 2, at step S1, judge at first whether normal solar energy system communicates by letter with mains system.If judge communication abnormality then execution in step S2.In step S2, just when judging solar energy system and mains system communication abnormality, the direct described mains system floating charge state that is set to fix.
Communicate by letter just often with mains system when the judgement solar energy system, carry out mains system based on the information of obtaining from described solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from described mains system and manage automatically.
Wherein, in described step S3, described based on carry out from the information of obtaining of described solar energy system mains system automatically management comprise:
S31, described mains system are obtained the even charging voltage and the float charge voltage of described solar energy system from described solar energy system.In a preferred embodiment of the invention, the float charge voltage of described solar energy system is 52.8～54.8V, and the even charging voltage of described solar energy system is 55.4～57V.
The even charging voltage of S32, the described mains system of control is less than or equal to the intermediate value of the even charging voltage of described solar energy system, and the float charge voltage of described mains system is less than or equal to the lower limit of the float charge voltage of described solar energy system.In a preferred embodiment of the invention; The even charging voltage default value of described mains system is 55.4V, and the float charge voltage default value of described mains system is 50.8V.
Wherein, in described step S3, described based on the information of obtaining from described mains system carry out solar energy system automatically management comprise:
S3a, described solar energy system obtain the charged state of described mains system from described mains system.In one embodiment of the invention, charged state can be all to fill, and also can be floating charge.
S3b, described solar energy system all fill or floating charge based on the charged state of the described mains system of obtaining.That is to say that when mains system was all filled, solar energy system all filled thereupon.When the mains system floating charge, described solar energy system is floating charge thereupon also.
In the embodiment shown in Fig. 2, step S31 and S3a carry out simultaneously, and step S32 and step S3b carry out simultaneously.But those skilled in the art know, in other embodiments of the invention, and also at first execution in step S31 and S32, then execution in step S3a and S3b.
In further preferred embodiment of the present invention, describedly further comprise based on carrying out the automatic management of mains system from the information of obtaining of described solar energy system: described mains system is obtained described solar energy system self check information from described solar energy system.When described mains system learnt that described solar energy system is carrying out self check, it can not carry out current limliting and handle.But after treating that described solar energy system self check finishes, described mains system is carried out current limliting handle.If solar energy system is not carrying out self check this moment, so described mains system can be carried out the current limliting processing, prevents that output current is excessive.The current limliting process chart of described mains system has been shown among Fig. 3.As shown in Figure 3, in step S41, judge whether the battery charge overcurrent continues setting-up time.For example, whether surpass 6s.If execution in step S42 then, to the output current current limliting, otherwise the current limliting handling process finishes.After execution in step S42, then at execution in step S43, in step S43, judge whether that electric current has been limited to minimum value, if, execution in step S44 so, otherwise return step S42, continue the stepping current limliting.In step S44, send current limliting sign to solar energy system, in order to notice solar energy system mains system current limliting finish.In a preferred embodiment of the invention, in step S42, can carry out the stepping current limliting to output current.
In further preferred embodiment of the present invention, describedly further comprise described mains system is carried out peak regulation so that the use amount of civil power to be set based on carry out the automatic management of mains system from the information of obtaining of described solar energy system.In the present invention, those skilled in the art can set peak regulation time and then the output of control civil power as required.For example, higher or need use electricity in off-peak hours the time when the section electricity charge sometime, the float charge voltage of described mains system can be arranged to the undervoltage alarm point, make the voltage output of mains system diminish, thereby can make full use of the voltage that solar energy system provides.Thereby can flexible civil power use amount.
In further preferred embodiment of the present invention, in described step S3, describedly carry out the automatic management of solar energy system based on the information of obtaining from described mains system and further comprise: obtain the civil power access information (just from described mains system, the information that whether inserts about civil power), this is because when the solar energy system self check, need obtain total input current of solar energy system, therefore photovoltaic need all close, for fear of when inserting civil power, occur that total output current is excessive (to have the step of the photovoltaic that closes during the solar energy self check, solar energy system had electric current output after photovoltaic closed, therefore it is excessive total output current to occur when inserting civil power) situation, need at first obtain the civil power access information.Sending to described mains system based on described civil power access information subsequently allows this solar energy system to carry out the request of self check, that is to say, when solar energy system has civil power to insert, need to send to mains system earlier to allow this solar energy system to carry out the request of self check, wait to receive the information (just cutting off civil power inserts) that allows this solar energy system to carry out self check of sending that described mains system sends, described solar energy system just can carry out self check and then prevent solar energy system and mains system provides electric current to cause output current excessive simultaneously.
In further preferred embodiment of the present invention, in described step S3, describedly carry out the automatic management of solar energy system based on the information of obtaining from described mains system and further comprise: when the oily machine overcurrent of described solar energy system, described solar energy system is closed all photovoltaics; After this described solar energy system enters exception handling procedure.The exception handling procedure of described solar energy system has been shown among Fig. 4.
Automatic management process of each solar energy system and the automatic management process of mains system among the step S3 can carry out simultaneously, also can carry out respectively, also can select to carry out a part of step wherein and then realize light-electricity complementary power supply of the present invention.
As shown in Figure 4, in step S51, at first judge whether overcurrent of the outer load current that is connected on described solar energy system.If execution in step S52 closes all photovoltaics execution in step S53 again, otherwise direct execution in step S53.In step S53, judge whether the output voltage of each the road square formation in the solar energy system occurs pouring in down a chimney.If have, execution in step S54 closes the square formation that the situation of pouring in down a chimney occurs, execution in step S55 again, otherwise direct execution in step S55.Whether in step S55, judging has certain road square formation overvoltage.If truly have the square formation overvoltage then execution in step S56.Otherwise execution in step S57.In step S56, when surpassing 5 minutes, this road square formation overvoltage disconnects this road square formation, and execution in step S57.In step S57, judge whether the battery in the described solar energy system overvoltage warning occurs, if execution in step S58, otherwise execution in step S59.In step S58, cut off blower fan and photovoltaic, then execution in step S59.In step S59, judge at this whether the battery in the solar energy system excess temperature warning occurs.If execution in step S60, otherwise execution in step S63.In step S60, judge whether have this moment mains system to insert and this moment mains system charged state be floating charge.If execution in step S61, cut off blower fan and photovoltaic and execution in step S63 subsequently, otherwise directly mains system is changeed floating charge, subsequently execution in step S63.In step S63, judge whether overvoltage protection of battery, if execution in step S64 then, set voltage protection sign and execution in step S65, otherwise direct execution in step S65.In step S65, judge that the cell voltage of solar energy system changes even charging voltage less than floating charge, if execution in step S66 removes voltage protection sign and execution in step S67, otherwise direct execution in step S67.In step S67, judge whether there is the overvoltage protection sign, if execution in step S68 then, otherwise execution in step S70.In step S68, when surpassing 53.8 volts, the cell voltage of solar energy system disconnects all also execution in step S70, and promptly enter the current limliting handling process of solar energy system, and then avoid the output current of solar energy system excessive.
Fig. 5 is the current limliting process chart of described solar energy system of the present invention, and it is corresponding to the step S70 among Fig. 4.As shown in Figure 5, after current limliting is handled beginning, in step S71, judge the storage battery overcurrent whether in the solar energy system.If, execution in step S72.In step S72, judge whether described solar energy system and city's telecommunication be normal.If execution in step S74, otherwise execution in step S79.In step S74, whether judge not described solar energy system current limliting or do not receive the signal of mains system current limliting, if execution in step S81, otherwise execution in step S77.At step S77, the timing of civil power current limliting and trigger.Then execution in step S78 judges whether current limliting surpasses setting-up time to mains system, if execution in step S79 continues wait otherwise return step S77, surpasses setting-up time up to current limliting.In step S79, judge whether blower fan closes.If execution in step S82, otherwise execution in step S80.In step S80, delay time the end step of arriving soon after after closing blower fan.In step S82, judge whether to be last road square formation, if, then arrive end step, otherwise execution in step S83, arrive end step after disconnecting one tunnel square formation.In a preferred embodiment of the invention, can at first detect the total quantity of closed square formation, every subsequently disconnection one tunnel square formation is promptly carried out once record, and then judges that current square formation is last road square formation.
When in step S71, judging that battery does not have overcurrent, execution in step S73.Whether in step S73, judging has square formation not to be closed because of overcurrent, if execution in step S75, otherwise execution in step S84.In step S75, judge whether the minimum current that current battery current+solar battery does not drop into crosses flow point less than battery, if, execution in step S76, otherwise directly arrive end step.In step S76, the square formation overcurrent that cancellation is provided with when current battery current is crossed flow point greater than battery does not drop into sign, and arrives end step.In step S84, judge whether overcurrent of blower fan, if execution in step S85 then, otherwise directly arrive end step.In step S85, judge whether overcurrent surpasses 10 minutes to blower fan, if execution in step S86, otherwise directly arrive end step.In step S86, the cancellation blower fan overcurrent sign end step of arriving soon after.
In one embodiment of the invention,, can when self check, obtain the minimum current that solar battery does not drop into,, cross flow point relatively with the battery of setting again these two summation by directly detecting current electric current at described step S75.Wherein battery is crossed flow point and can be set according to battery capacity.In other embodiments of the invention, can adopt additive method to come performing step S75. to implement solar energy of the present invention and the continuous method of supplying power to of civil power, coming to carry out mains system based on the information of obtaining from described solar energy system respectively by the communication between solar energy system and the mains system manages automatically (as self check, current limliting etc.) and carry out solar energy system based on the information of obtaining from described mains system and manage automatically (as self check, current limliting etc.), can be when making solar energy system and mains system at each automatic bookkeeping, total output current can be not excessive, can be not too small yet.Therefore use the present invention, can be so that output current be subjected to the influence of the switching time between each automatic bookkeeping.。Further, implement continuous method of supplying power to of solar energy of the present invention and civil power and system, can also utilize solar energy fully reliably, the civil power use amount is set flexibly, realize using electricity in off-peak hours.
Fig. 6 is the theory diagram of first embodiment of solar energy of the present invention and civil power uninterruptible power supply system.As shown in Figure 6, solar energy of the present invention and civil power uninterruptible power supply system comprise solar energy system 200, mains system 300 and are used for the communication module 100 that described solar energy system 200 is communicated by letter with mains system 300.Described solar energy system 200 comprises solar powered module 201 and solar energy monitoring module 202, and described mains system 300 comprises mains-supplied module 301 and civil power monitoring module 302.
When described communication module 100 operate as normal, described civil power monitoring module 302 obtains the information of described solar energy system 200 by described communication module 100 and manages automatically based on carrying out mains system 300 from the information of obtaining of described solar energy system 200, and described solar energy monitoring module 202 (and carries out solar energy system 200 based on the information of obtaining from described mains system 300 and manages automatically by the information that described communication module 100 is obtained described mains system 300;
When described communication module 100 operation irregularities, described civil power monitoring module 302 is set described mains system 300 and is fixing floating charge state, and described civil power monitoring module 302 is in the output current of the described mains system 300 described mains system 300 of current limliting during greater than the civil power current-limiting points.
Implement solar energy of the present invention and civil power uninterruptible power supply system, come to carry out the automatic management of mains system based on the information of obtaining from described solar energy system respectively and carry out solar energy system based on the information of obtaining from described mains system and manage automatically by the communication between solar energy system and the mains system, thereby realize not influenced by switching time, thereby provide reliable power supply solar energy and civil power perfect adaptation.
Those skilled in the art can construct above-mentioned solar energy system, mains system and be used for the communication module that described solar energy system is communicated by letter with mains system with the continuous method of supplying power to of civil power according to the solar energy shown in Fig. 1-5.Those skilled in the art can realize solar energy of the present invention and civil power uninterruptible power supply system according to the instruction of solar energy of the present invention and continuous method of supplying power to of civil power and system, have stated with regard to no longer tiring out at this.
Fig. 7 is the theory diagram of second embodiment of solar energy of the present invention and civil power uninterruptible power supply system.As shown in Figure 7, solar energy of the present invention comprises solar energy system 200, mains system 300 and is used for the communication module 100 that described solar energy system 200 is communicated by letter with mains system 300 with the civil power uninterruptible power supply system.Described solar energy system 200 comprises solar powered module 201 and solar energy monitoring module 202, and described mains system 300 comprises mains-supplied module 301 and civil power monitoring module 302.
Wherein, described civil power monitoring module 302 comprises even and float charging management unit 312, civil power self-test unit 322 and peak regulation administrative unit 332.Wherein, described even and float charging management unit 312 obtains the even charging voltage and the float charge voltage of described solar powered module 201 from described solar energy system 200 by communication module 100, and the even charging voltage of controlling the mains-supplied module 301 of described mains system 300 is less than or equal to the intermediate value of the even charging voltage of described solar powered module 201, and the float charge voltage of described mains-supplied module 301 is less than or equal to the lower limit of the float charge voltage of described solar powered module 201.Described civil power self-test unit 322 is obtained the self check information of described solar powered module 201 from described solar energy system 200 by communication module 100, and after treating that described solar powered module 201 self checks finish, described mains-supplied module 301 is carried out current limliting handle.Wherein, described current limliting process chart can carry out with reference to Fig. 3.Described peak regulation administrative unit 332 is used for described mains-supplied module 301 is carried out peak regulation so that the use amount of civil power to be set.In the present invention, those skilled in the art can set peak regulation time and then the output of control civil power as required.For example, higher or need use electricity in off-peak hours the time when the section electricity charge sometime, the float charge voltage of described mains system 300 can be arranged to the undervoltage alarm point, make the voltage output of mains system 300 diminish, thereby can make full use of the voltage that solar energy system 200 provides.Thereby can flexible civil power use amount.
Described solar energy monitoring module 202 comprises charged state administrative unit 212, solar energy self check administrative unit 222 and abnormality processing administrative unit 232.Described charged state administrative unit 212 is obtained the charged state of described mains-supplied module 301 and is all filled or floating charge based on the charged state of the described mains-supplied module of obtaining 301 from described mains system 300 by communicator.Described solar energy self check administrative unit 222 is obtained the civil power access information by communicator from described mains-supplied module 301, then based on described mains-supplied module 301 self checks of described civil power access information request, after waiting to receive the self check information that described mains-supplied module 301 sends, control described solar powered module 201 and carry out self check.Described abnormality processing administrative unit 232 is used for closing all photovoltaics when the oily machine overcurrent of described solar powered module 201 time; Then control described solar powered module 201 and enter exception handling procedure.Described exception handling procedure can be with reference to the flow performing of Fig. 4.
Implement continuous method of supplying power to of solar energy of the present invention and civil power and system, come to carry out the automatic management of mains system based on the information of obtaining from described solar energy system respectively and carry out solar energy system based on the information of obtaining from described mains system and manage automatically by the communication between solar energy system and the mains system, thereby realize not influenced by switching time, thereby provide reliable power supply solar energy and civil power perfect adaptation.Further, implement continuous method of supplying power to of solar energy of the present invention and civil power and system, can also utilize solar energy fully reliably, the civil power use amount is set flexibly, realize using electricity in off-peak hours.
Though the present invention describes by specific embodiment, it will be appreciated by those skilled in the art that, without departing from the present invention, can also carry out various conversion and be equal to alternative the present invention.Therefore, the present invention is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall in the claim scope of the present invention.
Claims (10)
1. solar energy and the continuous method of supplying power to of civil power is characterized in that, comprising:
S1, judge solar energy system communicate by letter with mains system whether normal, if execution in step S3 otherwise execution in step S2;
S2, the described mains system of setting are fixing floating charge state;
S3, carry out mains system based on the information of obtaining from described solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from described mains system and manage automatically.
2. solar energy according to claim 1 and the continuous method of supplying power to of civil power is characterized in that described step S2 further comprises:
The described mains system of current limliting when the output current of described mains system is higher than the mains system current-limiting points.
3. solar energy according to claim 1 and the continuous method of supplying power to of civil power is characterized in that, in described step S3, described based on carry out from the information of obtaining of described solar energy system mains system automatically management comprise:
S31, described mains system are obtained the even charging voltage and the float charge voltage of described solar energy system from described solar energy system;
The even charging voltage of S32, the described mains system of control is less than or equal to the intermediate value of the even charging voltage of described solar energy system, and the float charge voltage of described mains system is less than or equal to the lower limit of the float charge voltage of described solar energy system.
4. solar energy according to claim 3 and the continuous method of supplying power to of civil power is characterized in that the float charge voltage of described solar energy system is 52.8～54.8V, and the even charging voltage of described solar energy system is 55.4～57V; The even charging voltage default value of described mains system is 55.4V, and the float charge voltage default value of described mains system is 50.8V.
5. solar energy according to claim 3 and the continuous method of supplying power to of civil power is characterized in that, in described step S3, describedly further comprise based on carrying out the automatic management of mains system from the information of obtaining of described solar energy system:
Described mains system is obtained described solar energy system self check information from described solar energy system;
After treating that described solar energy system self check finishes, described mains system is carried out current limliting handle.
6. solar energy according to claim 3 and the continuous method of supplying power to of civil power is characterized in that, in described step S3, describedly further comprise based on carrying out the automatic management of mains system from the information of obtaining of described solar energy system:
Described mains system is carried out peak regulation so that the use amount of civil power to be set.
7. described solar energy according to claim 1 and the continuous method of supplying power to of civil power is characterized in that, in described step S3, described based on the information of obtaining from described mains system carry out solar energy system automatically management comprise:
S3a, described solar energy system obtain the charged state of described mains system from described mains system;
S3b, described solar energy system all fill or floating charge based on the charged state of the described mains system of obtaining.
8. described solar energy according to claim 7 and the continuous method of supplying power to of civil power is characterized in that, in described step S3, describedly carry out the automatic management of solar energy system based on the information of obtaining from described mains system and further comprise:
Obtain the civil power access information from described mains system;
Based on described civil power access information, the described mains system self check of described solar energy system request;
After waiting to receive the self check information that described mains system sends, described solar energy system carries out self check.
9. described solar energy according to claim 7 and the continuous method of supplying power to of civil power is characterized in that, in described step S3, describedly carry out the automatic management of solar energy system based on the information of obtaining from described mains system and further comprise:
When the oily machine overcurrent of described solar energy system, described solar energy system is closed all photovoltaics;
Follow described solar energy system and enter exception handling procedure.
10. solar energy and civil power uninterruptible power supply system comprise solar energy system and mains system, it is characterized in that, described solar energy further comprises with the civil power uninterruptible power supply system and be used for the communication module that described solar energy system is communicated by letter with mains system,
Described solar energy system comprises solar powered module and solar energy monitoring module,
Described mains system comprises mains-supplied module and civil power monitoring module;
When described communication module operate as normal, described civil power monitoring module obtains the information of described solar energy system by described communication module and manages automatically based on carrying out mains system from the information of obtaining of described solar energy system, and described solar energy monitoring module obtains the information of described mains system by described communication module and carries out solar energy system based on the information of obtaining from described mains system and manage automatically;
When described communication module operation irregularity, described civil power monitoring module is set described mains system and is fixing floating charge state, and described civil power monitoring module is in the output current of the described mains system described mains system of current limliting during greater than the civil power current-limiting points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101459990A CN101877499B (en) | 2010-04-07 | 2010-04-07 | Method and system for continuously supplying power by solar energy and commercial power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101459990A CN101877499B (en) | 2010-04-07 | 2010-04-07 | Method and system for continuously supplying power by solar energy and commercial power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101877499A true CN101877499A (en) | 2010-11-03 |
| CN101877499B CN101877499B (en) | 2012-07-18 |
Family
ID=43019985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101459990A Active CN101877499B (en) | 2010-04-07 | 2010-04-07 | Method and system for continuously supplying power by solar energy and commercial power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101877499B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097854A (en) * | 2010-12-31 | 2011-06-15 | 广东美的电器股份有限公司 | Multi-power supply feed system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945925A (en) * | 2006-10-30 | 2007-04-11 | 天津易辰电子信息产业孵化器有限公司 | Solar energy intelligent controller |
| CN200976509Y (en) * | 2006-11-28 | 2007-11-14 | 熊小伟 | Complementary type solar energy uninterruption power supply controller |
| CN201138758Y (en) * | 2007-12-21 | 2008-10-22 | 贵州首朗新能源有限公司 | Intelligence control system for renewable energy resources and commercial electric power |
| CN201204725Y (en) * | 2008-01-10 | 2009-03-04 | 上海建科建筑节能技术有限公司 | Intelligent switch controller for solar street lamp |
| CN101414756A (en) * | 2008-11-14 | 2009-04-22 | 艾默生网络能源有限公司 | Accumulator charging control method for solar battery |
-
2010
- 2010-04-07 CN CN2010101459990A patent/CN101877499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945925A (en) * | 2006-10-30 | 2007-04-11 | 天津易辰电子信息产业孵化器有限公司 | Solar energy intelligent controller |
| CN200976509Y (en) * | 2006-11-28 | 2007-11-14 | 熊小伟 | Complementary type solar energy uninterruption power supply controller |
| CN201138758Y (en) * | 2007-12-21 | 2008-10-22 | 贵州首朗新能源有限公司 | Intelligence control system for renewable energy resources and commercial electric power |
| CN201204725Y (en) * | 2008-01-10 | 2009-03-04 | 上海建科建筑节能技术有限公司 | Intelligent switch controller for solar street lamp |
| CN101414756A (en) * | 2008-11-14 | 2009-04-22 | 艾默生网络能源有限公司 | Accumulator charging control method for solar battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097854A (en) * | 2010-12-31 | 2011-06-15 | 广东美的电器股份有限公司 | Multi-power supply feed system and control method thereof |
| CN102097854B (en) * | 2010-12-31 | 2013-08-14 | 广东美的电器股份有限公司 | Multi-power supply feed system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101877499B (en) | 2012-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108683202B (en) | Energy storage system | |
| CN102104257B (en) | Energy storage system of apartment building, integrated power management system, and method of controlling the system | |
| CN103733465B (en) | Charging device | |
| CN202550664U (en) | Direct current power supply system of non-floating charge type transformer substation based on lithium iron battery | |
| KR102299604B1 (en) | An energy storage system | |
| EP2289162A1 (en) | Storage system that maximizes the utilization of renewable energy | |
| JP6800353B2 (en) | Lighting power system and method | |
| CN105553391A (en) | Photovoltaic energy storage battery power generation system and control method | |
| CN102694393A (en) | Controller for switching grid connection photovoltaic power generation system and off-grid photovoltaic power generation system | |
| CN102468685A (en) | Power supply system | |
| CN101997335A (en) | Power supply control system and control method | |
| CN103444050A (en) | Power management system and power management method | |
| CN108418250A (en) | Distributed home energy-storage system | |
| CN102355045A (en) | Power supply method, power supply controller and power supply system | |
| CN111864725A (en) | Wind-solar-storage integrated air conditioning system based on common direct current bus and control method thereof | |
| CN111245060A (en) | Battery pack parallel operation charging and discharging control system and method based on controllable one-way conduction circuit | |
| CN104201762B (en) | A kind of electric power box becomes dedicated operations power supply | |
| CN104300605B (en) | Power circuit and control method thereof | |
| CN205791745U (en) | A kind of generator set storage battery charging system | |
| CN113964926A (en) | Multi-power management method and terminal | |
| CN201018313Y (en) | Domestic solar energy power supply system | |
| CN101572428B (en) | Method for controlling power supply system featuring complementation of solar energy and fuel energy | |
| CN211018390U (en) | Direct current power supply switching power supply system capable of being monitored | |
| CN101877499B (en) | Method and system for continuously supplying power by solar energy and commercial power | |
| CN2930056Y (en) | Automatic maintenance device for UPS accumulator |
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 | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee after: Vitamin Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: Aimosheng Network Energy Source Co., Ltd. |
|
| CP03 | Change of name, title or address |