CN206775142U - A kind of solar power system - Google Patents

A kind of solar power system Download PDF

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Publication number
CN206775142U
CN206775142U CN201720276475.2U CN201720276475U CN206775142U CN 206775142 U CN206775142 U CN 206775142U CN 201720276475 U CN201720276475 U CN 201720276475U CN 206775142 U CN206775142 U CN 206775142U
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CN
China
Prior art keywords
communication module
controller
modular
battery
monitoring modular
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Expired - Fee Related
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CN201720276475.2U
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Chinese (zh)
Inventor
郑崇峰
李志国
邱齐
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Leadsolar Energy Co Ltd
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Leadsolar Energy Co Ltd
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Priority to CN201720276475.2U priority Critical patent/CN206775142U/en
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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
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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  • Direct Current Feeding And Distribution (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model discloses a kind of solar power system, is related to solar energy generation technology field, includes multiple solar cell modules of series connection；Controller for solar, including direct current optimizer, the 4th monitoring modular, the 4th controller, fourth communication module and fifth communication module；Both ends after the input of direct current optimizer is connected with multiple solar cell modules are connected；4th controller is connected respectively with the 4th monitoring modular, fourth communication module, fifth communication module；Fifth communication module is connected with server or communication of mobile terminal；DC-to-AC converter includes：DC/AC modular converters, the first monitoring modular, the first controller and first communication module；The DC side of DC/AC modular converters is connected with the output end of direct current optimizer, and its AC is connected with power network；Energy storage device includes battery, the second monitoring modular, second controller and second communication module.By the utility model, user can be to grasp system operation situation in the place away from scene in real time.

Description

A kind of solar power system
Technical field
It the utility model is related to solar energy generation technology field, and in particular to a kind of solar power system.
Background technology
For monitored electric current, voltage, power, the parameter such as temperature, typically pass through in existing solar power system The display screen at scene is shown, or is connected to host computer by RS485 order wires and is shown and stored.
However, in existing solar power system, user, which must arrive scene, can know monitored data, even if Host computer is connected to using RS485 order wires to show, its display distance is up to 1200 meters, therefore user checks under prior art Parameter in solar power system is more inconvenient.
The content of the invention
In view of this, the utility model embodiment provides a kind of solar power system, to solve to use under prior art The problem of parameter that family is checked in solar power system is more inconvenient.
According in a first aspect, the utility model embodiment provides a kind of solar power system, including：Multiple solar energy Battery component, multiple solar cell module series connection；Controller for solar, including：Direct current optimizer, the 4th monitoring mould Block, the 4th controller, fourth communication module and fifth communication module；The input of the direct current optimizer and multiple sun Both ends connection after energy battery component series connection, for performing MPPT maximum power point tracking to the solar cell module；Described Four controllers are connected respectively with the 4th monitoring modular, the fourth communication module, the fifth communication module；Described 5th Communication module is connected with server or communication of mobile terminal；4th monitoring modular is used to monitor following parameter value or state ginseng One or more of number：The input of the direct current optimizer or electric current, voltage or the power of output end, the direct current optimization The start and stop state of device, temperature etc.；DC-to-AC converter, including：DC/AC modular converters, the first monitoring modular, the first controller and One communication module；The DC conversion that the DC/AC modular converters are used to export the solar cell module is alternating current, Its DC side is connected with the output end of the direct current optimizer, and its AC is connected with power network；First controller with it is described First monitoring modular, the first communication module connect respectively；First monitoring modular is used to monitor following parameter value or shape One or more of state parameter：The DC side of the DC/AC modular converters or electric current, voltage or the power of AC, or The start and stop states of the DC/AC modular converters, temperature etc.；Energy storage device, including battery, the second monitoring modular, second controller And second communication module；The battery is connected with the output end of the direct current optimizer, for storing electric energy or being carried for power network For energy source；The second controller is connected respectively with second monitoring modular, the second communication module；Described second Monitoring modular is used to monitor one or more of following parameter value or state parameter：The electricity that the battery is stored, it is described The charge or discharge state of battery, electric current, voltage or power of the battery in charge or discharge, or the temperature of the battery Degree；The fourth communication module is connected respectively with the first communication module, the second communication module.
Alternatively, the first communication module, the second communication module, the third communication module and the four-way Letter module is power line communication module, RF communication modules or ZigBee communication module.
Alternatively, the DC-to-AC converter also includes the first gate-controlled switch, is connected with first controller, for basis The instruction of first controller controls the DC/AC modular converters to start or stop.
Alternatively, the energy storage device also includes the second gate-controlled switch, is connected with the second controller, for according to institute The instruction for stating second controller controls the battery to start or stop to perform charge or discharge operation.
Alternatively, the energy storage device also includes charge and discharge control module, is connected with the second controller, for basis It is charge or discharge that the instruction of the second controller, which controls the operation performed by the battery,.
Alternatively, the system also includes AC/DC conversion equipments, and the AC/DC conversion equipments include AC/DC moduluss of conversion Block, its AC are connected with power network, and its DC side is connected with the battery.
Alternatively, the AC/DC conversion equipments also include the 3rd monitoring modular, the 3rd controller and third communication module； 3rd controller is connected respectively with the 3rd monitoring modular, third communication module, the third communication module also with institute State the connection of fourth communication module；3rd monitoring modular is used to monitor one of following parameter value or state parameter or more Person：The DC side of the AC/DC modular converters or electric current, voltage or the power of AC, the start and stop of the AC/DC modular converters State, temperature etc..
Alternatively, the AC/DC modular converters also include the 3rd gate-controlled switch, are connected, are used for the 3rd controller The AC/DC modular converters are controlled to start or stop according to the instruction of the 3rd controller.
The solar power system that the utility model embodiment is provided, solar cell module is connected to direct current optimization The input of device, MPPT maximum power point tracking is performed to solar cell module by direct current optimizer, so as to so that solar energy Battery component is with maximum power output；The output end of direct current optimizer is connected with the DC side of DC/AC modular converters, DC/AC The AC of modular converter is connected with power network, the DC conversion for being exported solar cell module by DC/AC modular converters For alternating current, energy source is provided for power network, realizes distributed power generation function；Increase electricity in above-mentioned solar power system Pond, it is connected with the output end of direct current optimizer, for storing electric energy, so that when energy source need not be provided for power network, the sun The power storage that energy battery component is exported, in case the electricity that solar cell module is exported in the case of solar energy deficiency Energy source is provided when can be insufficient；First monitoring modular, the second monitoring modular are set, that the 3rd monitoring modular monitors direct current respectively is excellent Change the relevant parameter of device, DC/AC modular converters and battery, and first communication module, second communication module, third communication mould are set Block, fourth communication module pool together above-mentioned relevant parameter, by the 4th controller and fifth communication module by these phases Related parameter is sent to server or terminal, so that user can be easily to obtain solar power generation in the place away from scene The relevant parameter of system for field, grasps system operation situation in real time.
Brief description of the drawings
Feature and advantage of the present utility model can be more clearly understood by reference to accompanying drawing, accompanying drawing be schematically without It is interpreted as carrying out any restrictions to the utility model, in the accompanying drawings：
Fig. 1 shows the theory diagram of the solar power system according to the utility model embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, belongs to this reality With novel protected scope.
Embodiment one
Fig. 1 shows the schematic diagram for the solar power system that the utility model embodiment is provided.According to Fig. 1, The solar power system includes solar cell module, controller for solar, DC-to-AC converter and energy storage device.
Solar cell module receives the emittance from the sun, converts solar energy into electrical energy.Sent out in the solar energy In electric system, solar cell module is multiple, and the plurality of solar cell module is connected.Solar battery group is set herein Part connects in a series arrangement, and compared to series system, series-parallel system, its output voltage is relatively low, and security is preferable.
Controller for solar includes：Direct current optimizer, the 4th monitoring modular, the 4th controller, fourth communication module and Five communication modules.
Both ends after the input of direct current optimizer is connected with multiple solar cell modules are connected, for solar-electricity Pond component performs MPPT maximum power point tracking (Maximum Power Point Tracking, MPPT) so that no matter light conditions How, solar cell module can be with its maximum power output electric energy.
4th controller is connected respectively with the 4th monitoring modular, fourth communication module, fifth communication module.Fifth communication mould Block is connected with server or communication of mobile terminal, it is possible thereby to make the parameter value or state parameter that the 4th monitoring modular is monitored Sent successively via the 4th controller, fifth communication module to server or terminal, so that user is in the place away from scene The operation conditions of system can be grasped in real time easily to obtain the relevant parameter at solar power system scene.
4th monitoring modular is used to monitor one or more of following parameter value or state parameter：Direct current optimizer it is defeated Enter the electric current at end, the electric current of output end of direct current optimizer, direct current optimizer input voltage, direct current optimizer output The voltage at end, the power of the input of direct current optimizer, power, the monitoring direct current optimizer of output end of direct current optimizer open Stop state.In addition, the 4th monitoring modular can be also used for the temperature of monitoring direct current optimizer, whether the direct current optimizer is in Malfunction etc., so as to which user obtains these parameter values or state parameter in real time in the place away from scene.
4th monitoring modular can be existing for monitoring above-mentioned parameters value or each function of state parameter Module, or the mould for being used to realize above-mentioned parameters value or state parameter that existing direct current optimizer product is carried Block.
DC-to-AC converter, including：DC/AC modular converters, the first monitoring modular, the first controller and first communication module.
It is alternating current that DC/AC modular converters, which are used for the DC conversion of solar cell module output, its DC side and The output end connection of direct current optimizer, its AC are connected with power network.
First monitoring modular is used to monitor one or more of following parameter value or state parameter：DC/AC modular converters The electric current of DC side, the electric currents of AC of DC/AC modular converters, DC/AC modular converters DC side voltage, DC/AC The voltage of the AC of modular converter, the power of the DC side of DC/AC modular converters, DC/AC modular converters AC work( Rate, or the temperature etc. when the start and stop state of DC/AC modular converters, DC/AC modular converters work.
First monitoring modular can be existing for monitoring above-mentioned parameters value or each function of state parameter Module, or what existing DC-to-AC converter was carried is used to realize above-mentioned parameters value or the module of state parameter.
First controller is connected respectively with the first monitoring modular, first communication module, first communication module and fourth communication Module connects, it is possible thereby to make parameter value that the first monitoring modular monitored or state parameter successively via the first controller, First communication module, fourth communication module, the 4th controller, fifth communication module are sent to server or terminal, thereby using Family can be slapped in real time in the place away from scene with easily obtaining the above-mentioned parameter value of DC/AC modular converters or state parameter Hold the operation conditions of DC/AC modular converters.
Energy storage device, including battery, the second monitoring modular, second controller and second communication module.
Battery is connected with the output end of direct current optimizer, for storing electric energy or providing energy source for power network, so as to When without when providing energy source for power network, power storage that solar cell module is exported, in case solar energy is insufficient In the case of solar cell module exported electric energy deficiency when energy source is provided.
Second monitoring modular is used to monitor one or more of following parameter value or state parameter：The electricity that battery is stored Amount, the charge or discharge state of battery, electric current, voltage or power of the battery in charge or discharge, or the temperature of battery.
Second monitoring modular can be existing for monitoring above-mentioned parameters value or each function of state parameter Module, or what existing energy storage device was carried is used to realize above-mentioned parameters value or the module of state parameter.
Second controller is connected respectively with the second monitoring modular, second communication module, second communication module and fourth communication Module connects, it is possible thereby to make parameter value that the second monitoring modular monitored or state parameter successively via second controller, Second communication module, fourth communication module, the 4th controller, fifth communication module are sent to server or terminal, thereby using Family easily to obtain the above-mentioned parameter value of battery or state parameter, can grasp the storage of battery in real time in the place away from scene Energy and operation conditions.
Above-mentioned solar power system, solar cell module is connected to the input of direct current optimizer, passes through direct current Optimizer performs MPPT maximum power point tracking to solar cell module, so as to so that solar cell module is defeated with peak power Go out；The output end of direct current optimizer is connected with the DC side of DC/AC modular converters, AC and the electricity of DC/AC modular converters Net connection, the DC conversion for being exported solar cell module by DC/AC modular converters is alternating current, and electricity is provided for power network Energy source, realizes distributed power generation function；Increase battery in above-mentioned solar power system, the output end with direct current optimizer Connection, for storing electric energy, so as to when without when providing energy source for power network, the electric energy that solar cell module is exported is deposited Storage is got up, in case providing energy source during solar cell module is exported in the case of solar energy deficiency electric energy deficiency；If Put the first monitoring modular, the second monitoring modular, the 3rd monitoring modular and monitor direct current optimizer, DC/AC modular converters and electricity respectively The relevant parameter in pond, and set first communication module, second communication module, third communication module, fourth communication module will be above-mentioned Relevant parameter is pooled together, and these relevant parameters are sent into server or end by the 4th controller and fifth communication module End, so that user can be real easily to obtain the relevant parameter at solar power system scene in the place away from scene When grasp system operation situation.
As a kind of optional embodiment of the present embodiment, DC-to-AC converter also includes the first gate-controlled switch, with the first control Device connection processed, for controlling DC/AC modular converters to start or stop according to the instruction of the first controller, so as to which user is remote The place at scene sends the control instruction to DC/AC modular converters by server or terminal, and the control instruction can be via the Five communication modules, the 4th controller, fourth communication module, first communication module are sent to the first controller, so as to the first control Device controls the first gate-controlled switch to open or close so that the DC/AC modular converters start or stop；In server or end side also Can (such as the electricity price fed in what period to power network be how many, the feed valency of what period according to the electrovalence policy of power network Lattice are most high) and the relevant parameter that is monitored of each monitoring modular perform automatic control algorithm so that solar power generation system Whether system for power network can provide energy source according to the electrovalence policy adjust automatically of itself relevant parameter, power network, so as to fill Divide and utilize the higher economic benefit of electric energy acquisition caused by solar cell module.
For example, energy source just is provided for power network when feed price is higher, when feed price is relatively low, no Energy source is provided for power network, specifically the solar cell module of the solar power system can be made to be stopped；Or make For a kind of optional embodiment of the present embodiment, when not providing energy source for power network, solar cell can need not be stopped Component is generated electricity, and its caused power storage is got up.
As a kind of optional embodiment of the present embodiment, energy storage device also includes the second gate-controlled switch, with the second control Device connects, for controlling battery to start or stop to perform charge or discharge operation according to the instruction of second controller, so as to user In the place away from scene by server or terminal transmission to the control instruction of battery, the control instruction can be logical via the 5th Letter module, the 4th controller, fourth communication module, second communication module are sent to second controller, so as to second controller control The second gate-controlled switch is made to open or close so that the start battery or stopping perform charge or discharge operation；In server or terminal Side can also (such as the electricity price fed in what period to power network be how many, the feedback of what period according to the electrovalence policy of power network Electricity price lattice are most high) and the relevant parameter that is monitored of each monitoring modular perform automatic control algorithm so that solar energy is sent out Electric system can according to itself relevant parameter, power network electrovalence policy adjust automatically whether by solar cell module produced by Electric energy stored, so as to store electric energy when not providing energy source for power network, reduction waste of energy can also be in illumination The problem of solar cell module generated energy deficiency is made up in the case of deficiency.
As a kind of optional embodiment of the present embodiment, energy device also includes charge and discharge control module, with the second control Device connects, and is charge or discharge for the operation performed by controlling battery according to the instruction of second controller, so as to which user is remote Place from scene sends control instruction to battery charge or discharge by server or terminal, and the control instruction can be via Fifth communication module, the 4th controller, fourth communication module first communication module are sent to the first controller, so as to the first control It is charge or discharge that device, which controls charge and discharge control module to control the operation performed by battery,.
As a kind of optional embodiment of the present embodiment, the solar power system also includes AC/DC conversion equipments, AC/DC conversion equipments include AC/DC modular converters, and its AC is connected with power network, and its DC side is connected with battery.
AC/DC conversion equipments also include the 3rd monitoring modular, the 3rd controller and third communication module.
3rd monitoring modular is used to monitor one or more of following parameter value or state parameter：AC/DC modular converters The electric current of DC side, the electric currents of AC of AC/DC modular converters, AC/DC modular converters DC side voltage, AC/DC The voltage of the AC of modular converter, the power of the DC side of AC/DC modular converters, AC/DC modular converters AC work( Rate, the temperature when start and stop state of AC/DC modular converters, AC/DC modular converters work etc..
3rd monitoring modular can be existing for monitoring above-mentioned parameters value or each function of state parameter Module, or what existing AC/DC conversion equipments were carried is used to realize above-mentioned parameters value or the module of state parameter.
3rd controller is connected respectively with the 3rd monitoring modular, third communication module, third communication module also with four-way Module connection is believed, it is possible thereby to make parameter value that the 3rd monitoring modular monitored or state parameter successively via the 3rd control Device, third communication module, fourth communication module, the 4th controller, fifth communication module are sent to server or terminal, so that User can be easily to obtain the above-mentioned parameter value of AC/DC modular converters or state parameter, in real time in the place away from scene Grasp the operation conditions of AC/DC modular converters.
Alternatively, AC/DC modular converters also include the 3rd gate-controlled switch, are connected with the 3rd controller, for according to the 3rd The instruction control AC/DC modular converters of controller start or stop, so as to user the place away from scene by server or Terminal is sent to the control instructions of AC/DC modular converters, the control instruction can via fifth communication module, the 4th controller, Fourth communication module, third communication module are sent to the 3rd controller, so as to which the 3rd controller controls the 3rd gate-controlled switch to open Or close so that the AC/DC modular converters start or stop；Can also be according to the electrovalence policy of power network in server or end side (such as the electricity price fed in what period to power network is how many, and the feed price of what period is most high) and each monitoring modular The relevant parameter monitored performs automatic control algorithm, so that solar power system can join according to the related of itself Whether number, the electrovalence policy adjust automatically of power network control power network to provide energy source for solar power system, so that the sun Energy electricity generation system can obtain electric energy from power network when electricity rates are relatively low and store.
Alternatively, above-mentioned first communication module, second communication module, third communication module and fourth communication module are electric power Line communication module, radio frequency (Radio Frequency, RF) communication module or ZigBee communication module.
It should be added that in the utility model embodiment monitoring modular (including the first monitoring modular, second prison Survey module, the 3rd monitoring modular, the 4th monitoring modular) it is used to that when monitoring the curtage of DC terminal sampling resistor can be used The mode of partial pressure, the electricity to be monitored is obtained by the relation between the electric current that flows through the electric current of divider resistance and to be monitored Flow valuve, the voltage to be monitored is obtained by the corresponding relation between the voltage at divider resistance both ends and the voltage to be monitored Value；When monitoring modular is used to monitor the curtage of AC, current transformer or voltage transformer collection can be first passed through The curtage of AC, the current value or divider resistance for flowing through divider resistance are obtained after rectification by way of electric resistance partial pressure The magnitude of voltage at both ends, and then obtain the current value or magnitude of voltage to be monitored；When monitoring modular is used to monitor power, it can pass through Aforesaid way first obtains current value and magnitude of voltage, and performance number is the product of magnitude of voltage and current value；Monitoring modular, which is used to monitor, to be filled During the start and stop state put, current value can be obtained by the above method, determining device is to open when current value is more than predetermined threshold value Dynamic state, is otherwise stopped status；Can be temperature sensor when monitoring modular is used for the temperature of monitoring device.
Although being described in conjunction with the accompanying embodiments of the invention, those skilled in the art can not depart from the present invention Spirit and scope in the case of various modification can be adapted and modification, such modifications and variations are each fallen within by appended claims institute Within the scope of restriction.

Claims (8)

  1. A kind of 1. solar power system, it is characterised in that including：
    Multiple solar cell modules, multiple solar cell module series connection；
    Controller for solar, including：Direct current optimizer, the 4th monitoring modular, the 4th controller, fourth communication module and the 5th are logical Believe module；
    The input of the direct current optimizer is connected with the both ends after multiple solar cell module series connection, for described Solar cell module performs MPPT maximum power point tracking；
    4th controller connects respectively with the 4th monitoring modular, the fourth communication module, the fifth communication module Connect；The fifth communication module is connected with server or communication of mobile terminal；4th monitoring modular is used to monitor following ginseng One or more of numerical value or state parameter：The input of the direct current optimizer or electric current, voltage or the power of output end, The start and stop state of the direct current optimizer, temperature etc.；
    DC-to-AC converter, including：DC/AC modular converters, the first monitoring modular, the first controller and first communication module；
    It is alternating current that the DC/AC modular converters, which are used for the DC conversion that exports the solar cell module, its direct current Side is connected with the output end of the direct current optimizer, and its AC is connected with power network；
    First controller is connected respectively with first monitoring modular, the first communication module；The first monitoring mould Block is used to monitor one or more of following parameter value or state parameter：The DC side of the DC/AC modular converters or exchange Electric current, voltage or the power of side, or the start and stop state of the DC/AC modular converters, temperature etc.；
    Energy storage device, including battery, the second monitoring modular, second controller and second communication module；
    The battery is connected with the output end of the direct current optimizer, for storing electric energy or providing energy source for power network；
    The second controller is connected respectively with second monitoring modular, the second communication module；The second monitoring mould Block is used to monitor one or more of following parameter value or state parameter：The electricity that the battery is stored, the battery Charge or discharge state, electric current, voltage or power of the battery in charge or discharge, or the temperature of the battery；
    The fourth communication module is connected respectively with the first communication module, the second communication module.
  2. 2. solar power system according to claim 1, it is characterised in that the first communication module, described second Communication module and the fourth communication module are power line communication module, RF communication modules or ZigBee communication module.
  3. 3. solar power system according to claim 1, it is characterised in that the DC-to-AC converter can also including first Control switch, is connected with first controller, for controlling the DC/AC modular converters according to the instruction of first controller Start or stop.
  4. 4. solar power system according to claim 1, it is characterised in that it is controllable that the energy storage device also includes second Switch, is connected with the second controller, for controlling the battery to start or stop according to the instruction of the second controller Perform charge or discharge operation.
  5. 5. the solar power system according to claim 1 or 4, it is characterised in that the energy storage device also includes charge and discharge Electric control module, it is connected with the second controller, for controlling the battery to be held according to the instruction of the second controller Capable operation is charge or discharge.
  6. 6. solar power system according to claim 1, it is characterised in that the system also includes AC/DC converting means Put, the AC/DC conversion equipments include AC/DC modular converters, and its AC is connected with power network, and its DC side connects with the battery Connect.
  7. 7. solar power system according to claim 6, it is characterised in that the AC/DC conversion equipments also include the Three monitoring modulars, the 3rd controller and third communication module；
    3rd controller is connected respectively with the 3rd monitoring modular, third communication module, and the third communication module is also It is connected with the fourth communication module；3rd monitoring modular be used for monitor one of following parameter value or state parameter or More persons：The DC side of the AC/DC modular converters or electric current, voltage or the power of AC, the AC/DC modular converters open Stop state, temperature etc..
  8. 8. solar power system according to claim 7, it is characterised in that the AC/DC modular converters also include the Three gate-controlled switches, it is connected with the 3rd controller, for controlling the AC/DC to change according to the instruction of the 3rd controller Module starts or stops.
CN201720276475.2U 2017-03-21 2017-03-21 A kind of solar power system Expired - Fee Related CN206775142U (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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