CN105244884A - Flexible-access intelligent household interface - Google Patents
Flexible-access intelligent household interface Download PDFInfo
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- CN105244884A CN105244884A CN201510729668.4A CN201510729668A CN105244884A CN 105244884 A CN105244884 A CN 105244884A CN 201510729668 A CN201510729668 A CN 201510729668A CN 105244884 A CN105244884 A CN 105244884A
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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
- Y02B10/10—Photovoltaic [PV]
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a flexible-access intelligent household interface. An alternating-current inlet wire terminal of a direct-current input converter is connected with a power distribution network. Two direct-current outlet wire terminals are connected with front ends of a positive direct-current bus and a negative direct-current bus by a first group of direct-current circuit breakers. Two inlet wire terminals of a DC interface are connected to the positive direct-current bus and the negative direct-current bus by a second group of direct-current circuit breakers; and two outlet wire terminals of a DG interface are connected to the positive direct-current bus and the negative direct-current bus by a third group of direct-current circuit breakers. An alternating-current output converter contains three single-phase alternating-current output converters connected in parallel; two inlet wire terminals of each single-phase alternating-current output converter are connected to tail ends of the positive direct-current bus and the negative direct-current bus by a fourth group of direct-current circuit breakers and an outlet wire terminal is connected to an AC interface. According to the invention, universality and standardization of the intelligent household interface are realized; various safe, flexible, and reliable power supply ways are provided; grid connection of an energy-storage battery, small-and-medium-sized solar photovoltaic cells and small-and-medium-sized wind driven generators can be realized conveniently; and friendly development of the environment can be realized well.
Description
Technical field
The invention belongs to electric power, power electronics and Automated condtrol and household interfacing field, particularly relate to a kind of flexible access Smart Home interface.
Background technology
In recent years, energy utilization rate is high, environment negative effect is little, can improve the advantages such as energy supply reliability because it has for distributed generation technology, will become one of important directions of future world energy technology development.Meanwhile, the low capacity photovoltaic in units of family, wind-force distributed power source development are swift and violent, and this had both been beneficial to development clean energy resource, also more conveniently for domestic consumer provides direct current electricity consumption.
Along with the variation of following power supply, the transition and upgrade of people's life staying idle at home, increasing high-tech electronic equipment comes into every household, all kinds of low-voltage AC/DC interface must need to realize generalization and standardization, this is not only conducive to the popularization of distributed power generation, and can avoid the incorrect operational mode of power supply producer, is conducive to the realization of the functions such as plug and play, so not only be convenient to safer, the efficient electricity consumption of power consumer, and improve the reliability of system.
As everyone knows, many domestic electric appliances use direct current work after being all through rectification, and under ac power supply system, big and small power supply adaptor is seen everywhere, and this not only adds device fabrication cost, and its space hold also brings inconvenience.
Summary of the invention
The technical problem to be solved in the present invention: a kind of flexible access Smart Home interface is provided, to realize generalization and the standardization of Smart Home interface, according to the different needs for electricity of power consumer, multiple safe, flexible, reliable supply power mode is provided, and facilitate energy-storage battery, middle-size and small-size solar-energy photo-voltaic cell, middle-size and small-size wind-driven generator grid-connected, while power consumer saving electric cost, also alleviate energy-intensive situation, be beneficial to close friend's development of environment.
Technical solution of the present invention:
A kind of flexible access Smart Home interface, it comprises direct current input converter, the interchange end of incoming cables of direct current input converter connects power distribution network, article two, direct current leading-out terminal is connected on positive and negative DC bus via first group of DC circuit breaker, two ends of incoming cables of DC interface are connected on positive and negative DC bus via second group of DC circuit breaker, and two leading-out terminals of DG interface are connected on positive and negative DC bus via the 3rd group of DC circuit breaker; Two ends of incoming cables of every platform single phase alternating current (A.C.) output converter are connected to the end of positive and negative DC bus via the 4th group of DC circuit breaker, leading-out terminal is connected to AC interface.
Described direct current input converter comprises lead-in circuit breaker
reactor is exchanged with three groups
, lead-in circuit breaker
output connect three groups exchange reactors
, three groups exchange reactor
output connect three phase full bridge direct current input converter circuit, described three phase full bridge direct current input converter circuit is made up of three single-phase brachium pontis, each single-phase brachium pontis forms by two anti-paralleled diode device for power switching serial connections, totally six anti-paralleled diode device for power switching
, at AC, the line in the middle part of three single-phase brachium pontis accesses three mutually respectively by correspondence and exchanges reactor, in DC side, it is a direct current outlet that the upper end of three unidirectional brachium pontis is converged, and lower end is converged for another direct current outlet, is connected with the first DC capacitor between two direct current outlets
.
Described positive and negative DC bus is connected with more than one DC interface and DG interface, the positive and negative outlet interface of DC interface is connected with energy-storage battery, DC load, and the positive and negative outlet interface of DG interface connects photovoltaic apparatus and wind power equipment.
Described DC interface comprises DC load DL interface and storage batteries D B interface, and DC load DL interface comprises the anti-paralleled diode device for power switching of one group two serial connections
, between second group of positive and negative inlet wire of DC circuit breaker, access the anti-paralleled diode device for power switching of two serial connections
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and second group of DC circuit breaker
one of them leading-out terminal form positive and negative outlet interface for connecting DC equipment; Storage batteries D B interface comprises the anti-paralleled diode device for power switching of another group two serial connection
, second group of DC circuit breaker
positive and negative outlet between access this group two anti-paralleled diodes after the device for power switching that is connected in series
, at this group two anti-paralleled diode device for power switching
middle part line on access DC flat-wave reactor
, DC flat-wave reactor
end of incoming cables and second group of DC circuit breaker
one of them leading-out terminal form positive and negative outlet interface for connecting storage battery, battery Battery side is provided with an electric capacity of voltage regulation
.
Described DG interface comprises photovoltaic PV interface and wind-powered electricity generation WP interface, and described photovoltaic PV interface comprises the anti-paralleled diode device for power switching of one group two serial connections
, the 3rd group of DC circuit breaker
positive and negative inlet wire between access this group two serial connection anti-paralleled diode device for power switching
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, DC flat-wave reactor
end of incoming cables and the 3rd group of DC circuit breaker
one of them end of incoming cables form positive and negative inlet interface for connecting photovoltaic apparatus; Wind-powered electricity generation WP interface comprises the anti-paralleled diode device for power switching of another group two serial connection
, the 3rd group of DC circuit breaker
positive and negative inlet wire between access this group two serial connection anti-paralleled diode device for power switching
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and the 3rd group of DC circuit breaker
one of them end of incoming cables form positive and negative inlet interface for connecting wind power equipment.
Described AC interface comprises AC load AL interface and grid-connected GC interface, and AC load AL interface comprises the 5th group of AC circuit breaker
, the 5th group of AC circuit breaker
with outlet inductance
connect; Grid-connected GC interface comprises the 6th group of AC circuit breaker
, the 6th group of AC circuit breaker
with outlet inductance
connect.
Described DC interface internal integrated information acquisition module and processing module, carry out acquisition and processing to mounting load, charge in batteries amount data and make a policy, decision information being sent to and network interface.
AL interface internal integrated information acquisition module and processing module, carry out acquisition and processing to mounting load data and make a policy, decision information being sent to and network interface.
GC interface internal integrated information receiver module, receives the decision information sent from DC interface and AL interface, and controls the break-make of grid-connected interface internal switch according to decision information.
Beneficial effect of the present invention:
The present invention provides comprehensive multifunctional low-voltage distribution interface termination for user, compatible three-phase distribution simultaneously, distributed power source (wind-light complementary system), large-capacity battery, both met the demand of user to alternating current-direct current electric energy, can realize again grid-connected, by electric energy feedback to electrical network.
Realize generalization and the standardization of Smart Home interface, plug and play, eliminates the equipment such as DC power source adapter, develops the utilance of DC link dramatically, facilitates user to the use of various alternating current-direct current equipment; Meanwhile, add distributed wind-solar power supply in DC link, when weather condition meets, self-sufficient to electricity needs of power consumer can be realized; And when distributed wind-solar power supply generating is sufficient, unnecessary electric energy can be undertaken storing or being transported to electrical network by storage battery, improves the utilance of electric energy, reduces energy waste.
Accompanying drawing explanation
Fig. 1 is System's composition figure of the present invention;
Fig. 2 is embodiment of the present invention direct current input converter structure schematic diagram;
Fig. 3 is embodiment of the present invention DC interface structure schematic diagram;
Fig. 4 is embodiment of the present invention DG interface structure schematic diagram;
Fig. 5 is that the embodiment of the present invention exchanges output converter structure schematic diagram;
Fig. 6 is embodiment of the present invention AC interface structure schematic diagram.
Embodiment
A kind of flexible access Smart Home interface (see figure 1), it comprises direct current input converter, the interchange end of incoming cables of direct current input converter connects power distribution network, article two, direct current leading-out terminal is connected to the front end of positive and negative DC bus via first group of DC circuit breaker, namely end of incoming cables, two ends of incoming cables of DC interface are connected on positive and negative DC bus via second group of DC circuit breaker, and two leading-out terminals of DG interface are connected on positive and negative DC bus via the 3rd group of DC circuit breaker; Interchange output converter comprises three single phase alternating current (A.C.) output converters parallel with one another, and two ends of incoming cables of every platform single phase alternating current (A.C.) output converter are connected to the end of positive and negative DC bus via the 4th group of DC circuit breaker, leading-out terminal is connected to AC interface.
Described direct current input converter (see figure 2) comprises lead-in circuit breaker
reactor is exchanged with three groups
, lead-in circuit breaker
output connect three groups exchange reactors
input, three groups exchange reactors
output connect three phase full bridge direct current input converter circuit, described three phase full bridge direct current input converter circuit is made up of three single-phase brachium pontis, each single-phase brachium pontis forms by two anti-paralleled diode device for power switching serial connections, totally six anti-paralleled diode device for power switching
, at AC, the line in the middle part of three single-phase brachium pontis accesses three mutually respectively by correspondence and exchanges reactor
, in DC side, it is a direct current outlet that the upper end of three unidirectional brachium pontis is converged, and lower end is converged for another direct current outlet, is connected with the first DC capacitor between two direct current outlets
, two direct current outlets are via first group of DC circuit breaker
connect front end i.e. the end of incoming cables of positive and negative DC bus.
Direct current input converter wiring of the present invention and operation principle: anti-paralleled diode device for power switching
with
composition A phase brachium pontis, anti-paralleled diode device for power switching
be positioned at brachium pontis, anti-paralleled diode device for power switching
be positioned at lower brachium pontis, A cross streams reactor
with anti-paralleled diode device for power switching
with
mid point and A phase brachium pontis mid point be connected; Anti-paralleled diode device for power switching
with
composition B phase brachium pontis, anti-paralleled diode device for power switching
be positioned at brachium pontis, anti-paralleled diode device for power switching
be positioned at lower brachium pontis, B cross streams reactor
with anti-paralleled diode device for power switching
with
mid point and B phase brachium pontis mid point be connected; Anti-paralleled diode device for power switching
with
composition C phase brachium pontis, anti-paralleled diode device for power switching
be positioned at brachium pontis, anti-paralleled diode device for power switching
be positioned at lower brachium pontis, C cross streams reactor
with anti-paralleled diode device for power switching
with
mid point and C phase brachium pontis mid point be connected; Direct current capacitor
be in parallel with three-phase brachium pontis, change of current circuit breaker
the break-make of Controling network side converter and DC line.
Described positive and negative DC bus is connected with more than one DC interface and DG interface, the positive and negative outlet interface of DC interface is connected with energy-storage battery, DC load, and the positive and negative outlet interface of DG interface can connect photovoltaic apparatus and wind power equipment.
Described DC interface (see figure 3) comprises DC load DL interface and storage batteries D B interface, and DC load DL interface comprises the anti-paralleled diode device for power switching of one group two serial connections
, second group of DC circuit breaker
the anti-paralleled diode device for power switching of two serial connections is accessed between positive and negative inlet wire
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and second group of DC circuit breaker
one of them leading-out terminal form positive and negative outlet interface for connecting DC equipment; Storage batteries D B interface comprises the anti-paralleled diode device for power switching of another group two serial connection
, second group of DC circuit breaker
positive and negative outlet between access this group two anti-paralleled diodes after the device for power switching that is connected in series
, at this group two anti-paralleled diode device for power switching
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and second group of DC circuit breaker
one of them leading-out terminal form positive and negative outlet interface for connecting storage battery, meanwhile, battery Battery side cross-over connection electric capacity of voltage regulation
.
Described DG interface (see figure 4) comprises photovoltaic PV interface and wind-powered electricity generation WP interface, and described photovoltaic PV interface comprises the anti-paralleled diode device for power switching of one group two serial connections
, the 3rd group of DC circuit breaker
positive and negative inlet wire between access this group two serial connection anti-paralleled diode device for power switching
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, DC flat-wave reactor
end of incoming cables and the 3rd group of DC circuit breaker
one of them end of incoming cables form positive and negative inlet interface for connecting photovoltaic apparatus; Wind-powered electricity generation WP interface comprises the anti-paralleled diode device for power switching of another group two serial connection
, the 3rd group of DC circuit breaker
positive and negative inlet wire between access this group two serial connection anti-paralleled diode device for power switching
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and the 3rd group of DC circuit breaker
one of them end of incoming cables form positive and negative inlet interface for connecting wind power equipment, when wind-powered electricity generation needs to access WP interface, if what wind power equipment exported is direct current, directly access, if what wind power equipment exported is alternating current, then access WP interface again after needing access three-phase converter that its alternating current is become direct current.
Exchange output converter (see figure 5) and comprise change of current circuit breaker
, the device for power switching of anti-paralleled diode
, direct current capacitor
, exchange outlet reactor
form three single phase alternating current (A.C.)s and export converter formation, described single phase alternating current (A.C.) output converter comprises the brachium pontis between two positive and negative outlets being connected in parallel in the 4th group of DC circuit breaker, each brachium pontis forms by two anti-paralleled diode device for power switching serial connections, outlet inductance is serially connected with between the middle part lead-out wire of a brachium pontis, the middle part lead-out wire that middle part lead-out wire and all the other two single phase alternating current (A.C.)s of another brachium pontis export a respective brachium pontis of converter is connected, form three-phase four-wire system structure, and the second DC capacitor is connected with between the positive and negative outlet of the 4th group of DC circuit breaker.
Described AC interface (see figure 6) comprises AC load AL interface and grid-connected GC interface, and AC load AL interface comprises the 5th group of AC circuit breaker
, the 5th group of AC circuit breaker
with outlet inductance
connect; Grid-connected GC interface comprises the 6th group of AC circuit breaker
, the 6th group of AC circuit breaker
with outlet inductance
connect.
Whether described DC interface internal integrated information acquisition module and processing module, carry out acquisition and processing to mounting load, charge in batteries amount data and make a policy, decision information being sent to and network interface, determining grid-connected.
Whether AL interface internal integrated information acquisition module and processing module, carry out acquisition and processing to mounting load data and make a policy, decision information being sent to and network interface, determining grid-connected.
GC interface internal integrated information receiver module, receives the decision information sent from DC interface and AL interface, and controls the break-make of grid-connected interface internal switch according to decision information.
Direct current input converter of the present invention is to DC interface equipment energy supply principle:
Systematical control
disconnect, all DG interface equipments of excision DC side export converter with exchanging, and the DC load electric energy on power distribution network supply DC interface is charge in batteries simultaneously.Now, accumulator positive, when electricity abundance, both can directly be used for powering, also can as stand-by power supply, when contingency generation or urgent need are powered, energy-storage battery can momentarily be powered, and ensure that the continuation of power supply, reliability.
DG interface mounting wind-solar power supply of the present invention is to DC interface equipment energy supply principle:
Systematical control
disconnect, excision direct current input converter, controls
disconnect, excision exchanges three the single phase alternating current (A.C.) converters exporting converter, in DG interface, and access distributed photovoltaic power and wind-force power supply.In DC interface, access DC load and storage battery, distributed photovoltaic and wind-force power supply are DC load and storage battery power supply simultaneously.After batteries to store energy, when weather condition is poor cause distributed photovoltaic and wind-force power supply generation deficiency, continue as local load and electric energy be provided, ensure maximization of economic benefit.
The present invention exchanges and exports converter band alternating current-direct current equipment principle:
Systematical control the 3rd group of DC circuit breaker
disconnect, excision DG interface, controls DC circuit breaker
disconnect, excision GC interface, power distribution network inputs converter by direct current and connects DC interface, then exports converter connection AL interface by exchanging.
Storage battery is plant-grid connection system in support, and under normal circumstances, power distribution network is also storage battery energy supply while for alternating current-direct current load energy supply; When power distribution network cannot normally run, storage battery can continue as alternating current-direct current load energy supply, ensures the lasting supply of electric energy.
DG interface mounting wind-solar power supply of the present invention is to DC interface equipment and AL interface equipment energy supply principle:
Systematical control first group of DC circuit breaker
disconnect, excision direct current input converter, DC bus is connected to DG interface and DC interface, exchanges output converter leading-out terminal and is connected to AL interface.
When weather condition meets, power consumer can depart from power distribution network, independently-powered by distributed wind-solar power supply.Like this, power consumer can save certain electricity cost, realizes the self-sufficient of electricity consumption.Meanwhile, the electric energy sent of the distributed wind-solar power supply of battery stores, storage battery both can be alternating current-direct current load supplying, also can ensure stability and the reliability of power supply by power supply in support.
DG interface mounting wind-solar power supply of the present invention is to DC interface equipment and AC interface equipment energy supply principle: Systematical control first group of DC circuit breaker
disconnect, excision direct current input converter, wherein, DC bus is connected to DG interface and DC interface, exchanges output converter leading-out terminal and is connected to AL interface and GC interface.DG interface, DC interface are identical with principle with the structure of accompanying drawing 6 with AL interface, and GC interface is in parallel with AL interface, and GC interface inlet wire passes through AC circuit breaker
and filter reactor
receive to exchange and export converter output, electrical network is connected in the outlet of GC interface.
Sufficient and under having remaining situation at distributed photovoltaic power energy output, the information module of DC interface, AL interface collects relevant information, then sends grid-connected decision instruction, finally collects this grid-connected decision instruction by the information module in GC interface, complete and net operation, realize the efficiency utilization of energy.Like this, power consumer both saved electricity cost, also can sale of electricity to electric company, and energy savings.Meanwhile, the electric energy sent of the distributed wind-solar power supply of battery stores, storage battery both can be alternating current-direct current load supplying, also can ensure stability and the reliability of power supply by power supply in support.
Storage battery of the present invention is to alternating current-direct current load energy supply principle:
Systematical control DC circuit breaker
disconnect, excision direct current input converter, controls DC circuit breaker
disconnect, excision DG interface equipment, controls DC circuit breaker
disconnect, excision GC interface electrical network, DC bus is connected to DC interface, exchanges the outlet of output converter and is connected to AL interface.
Under worst case (grid cut-off, weather condition are poor), storage battery can continue as alternating current-direct current load supplying, ensures the lasting supply of electric energy, does not affect the need for electricity of power consumer, improve flexibility and reliability.
Claims (9)
1. a flexible access Smart Home interface, it is characterized in that: it comprises direct current input converter, the interchange end of incoming cables of direct current input converter connects power distribution network, article two, direct current leading-out terminal is connected on positive and negative DC bus via first group of DC circuit breaker, two ends of incoming cables of DC interface are connected on positive and negative DC bus via second group of DC circuit breaker, and two leading-out terminals of DG interface are connected on positive and negative DC bus via the 3rd group of DC circuit breaker; Two ends of incoming cables of every platform single phase alternating current (A.C.) output converter are connected to the end of positive and negative DC bus via the 4th group of DC circuit breaker, leading-out terminal is connected to AC interface.
2. a kind of flexible access Smart Home interface according to claim 1, is characterized in that: described direct current input converter comprises lead-in circuit breaker
reactor is exchanged with three groups
, lead-in circuit breaker
output connect three groups exchange reactors
, three groups exchange reactor
output connect three phase full bridge direct current input converter circuit, described three phase full bridge direct current input converter circuit is made up of three single-phase brachium pontis, each single-phase brachium pontis forms by two anti-paralleled diode device for power switching serial connections, totally six anti-paralleled diode device for power switching
, at AC, the line in the middle part of three single-phase brachium pontis accesses three mutually respectively by correspondence and exchanges reactor, in DC side, it is a direct current outlet that the upper end of three unidirectional brachium pontis is converged, and lower end is converged for another direct current outlet, is connected with the first DC capacitor between two direct current outlets
.
3. a kind of flexible access Smart Home interface according to claim 1, it is characterized in that: described positive and negative DC bus is connected with more than one DC interface and DG interface, the positive and negative outlet interface of DC interface is connected with energy-storage battery, DC load, and the positive and negative outlet interface of DG interface connects photovoltaic apparatus and wind power equipment.
4. a kind of flexible access Smart Home interface according to claim 1, it is characterized in that: described DC interface comprises DC load DL interface and storage batteries D B interface, DC load DL interface comprises the anti-paralleled diode device for power switching of one group two serial connections
, between second group of positive and negative inlet wire of DC circuit breaker, access the anti-paralleled diode device for power switching of two serial connections
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and second group of DC circuit breaker
one of them leading-out terminal form positive and negative outlet interface for connecting DC equipment; Storage batteries D B interface comprises the anti-paralleled diode device for power switching of another group two serial connection
, second group of DC circuit breaker
positive and negative outlet between access this group two anti-paralleled diodes after the device for power switching that is connected in series
, at this group two anti-paralleled diode device for power switching
middle part line on access DC flat-wave reactor
, DC flat-wave reactor
end of incoming cables and second group of DC circuit breaker
one of them leading-out terminal form positive and negative outlet interface for connecting storage battery, battery Battery side is provided with an electric capacity of voltage regulation
.
5. a kind of flexible access Smart Home interface according to claim 1, it is characterized in that: described DG interface comprises photovoltaic PV interface and wind-powered electricity generation WP interface, described photovoltaic PV interface comprises the anti-paralleled diode device for power switching of one group two serial connections
, the 3rd group of DC circuit breaker
positive and negative inlet wire between access this group two serial connection anti-paralleled diode device for power switching
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, DC flat-wave reactor
end of incoming cables and the 3rd group of DC circuit breaker
one of them end of incoming cables form positive and negative inlet interface for connecting photovoltaic apparatus; Wind-powered electricity generation WP interface comprises the anti-paralleled diode device for power switching of another group two serial connection
, the 3rd group of DC circuit breaker
positive and negative inlet wire between access this group two serial connection anti-paralleled diode device for power switching
, at the anti-paralleled diode device for power switching of this group two serial connection
middle part line on access DC flat-wave reactor
, this DC flat-wave reactor
end of incoming cables and the 3rd group of DC circuit breaker
one of them end of incoming cables form positive and negative inlet interface for connecting wind power equipment.
6. a kind of flexible access Smart Home interface according to claim 1, it is characterized in that: described AC interface comprises AC load AL interface and grid-connected GC interface, AC load AL interface comprises the 5th group of AC circuit breaker
, the 5th group of AC circuit breaker
with outlet inductance
connect; Grid-connected GC interface comprises the 6th group of AC circuit breaker
, the 6th group of AC circuit breaker
with outlet inductance
connect.
7. a kind of flexible access Smart Home interface according to claim 1, it is characterized in that: described DC interface internal integrated information acquisition module and processing module, mounting load, charge in batteries amount data are carried out acquisition and processing and made a policy, decision information is sent to and network interface.
8. a kind of flexible access Smart Home interface according to claim 7, it is characterized in that: AL interface internal integrated information acquisition module and processing module, mounting load data is carried out acquisition and processing and made a policy, decision information is sent to and network interface.
9. a kind of flexible access Smart Home interface according to claim 7, it is characterized in that: GC interface internal integrated information receiver module, receive the decision information sent from DC interface and AL interface, and control the break-make of grid-connected interface internal switch according to decision information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729668.4A CN105244884B (en) | 2015-11-02 | 2015-11-02 | A kind of flexible access smart home interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729668.4A CN105244884B (en) | 2015-11-02 | 2015-11-02 | A kind of flexible access smart home interface |
Publications (2)
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| CN107979188A (en) * | 2017-10-20 | 2018-05-01 | 全球能源互联网研究院有限公司 | Dc circuit breaker energy supplying system |
| CN111614076A (en) * | 2019-02-22 | 2020-09-01 | 株洲中车时代电气股份有限公司 | Power supply system for three-phase four-wire system |
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| CN105244884B (en) | 2019-03-08 |
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