CN110535190A - A kind of local control method of family microgrid energy router energy management unit - Google Patents
A kind of local control method of family microgrid energy router energy management unit Download PDFInfo
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- CN110535190A CN110535190A CN201810509100.5A CN201810509100A CN110535190A CN 110535190 A CN110535190 A CN 110535190A CN 201810509100 A CN201810509100 A CN 201810509100A CN 110535190 A CN110535190 A CN 110535190A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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]
-
- 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
Abstract
A kind of local control method of family microgrid energy router energy management unit, family type micro-grid system is formed by for household photovoltaic power generation equipment, lithium battery energy storage battery equipment, Typical Household Appliance, and the system stable operation, Collaborative Control the problems such as, research and develop family microgrid energy router energy management unit equipment；It when alternating current breaks down, links with the local DC lighting main control unit DCU, executes the simple traffic order of MEMS, most suitable family microgrid is allowed to power to DC lighting LED, accomplish that AC network uses up storage direct-current micro-grid master-with family for complementary；EMU is integrated with the single-chip microcontroller comprising different running control strategy, it is proposed control logic of a set of family microgrid under grid-connect mode, off-network mode, restricted mode, it realizes the coordinated control to family grade microgrid routing energy manage and dispatch, multi-voltage grade sequence alternating current-direct current bus energy stream, realizes the utmostly utilization of photovoltaic power generation.
Description
Technical field
The present invention relates to for solving household distributed photovoltaic power generation, lithium battery energy storage battery, Typical Household Appliance (LED lamp)
The application problems field such as integrated optimization control and management, especially designs a kind of family microgrid energy router energy management unit
Local control method.
Background technique
Currently, China is in the important stage of economy and society rapid development, is realizing industrialization, information-based and cities and towns
During change, various challenges are faced with, the restriction such as environment and resource to human social development；Energy and environment equality of temperature
Contradiction between the discharge of room gas；The balance etc. of resource and the energy in utilization rate.By traditional fossil fuel
It is difficult to continue to health, coordination and the sustainable development of economic society.
For now, the renewable energy for developing and using clean and effective is to solve the problems, such as the main outlet of future source of energy.
Micro-capacitance sensor can integrate a large amount of renewable energy, by the sufficient on-site elimination of rechargeable energy, while obtaining economic benefit
Reduce environmental pressure.Micro-capacitance sensor technology can become the important impetus that future source of energy utilizes mode for reforming.
Family is exactly to take advantage of a situation under such background environment with microgrid, installs photovoltaic power generation in user side and energy storage is set
It is standby, the consumption of traditional electric energy is reduced, the accounting of renewable energy is improved.Search out a kind of efficient, stable, feasible energy routing
Management system is the key that family microgrid.
Summary of the invention
For household photovoltaic Distributed-generation equipment, lithium battery energy storage battery equipment, Typical Household Appliance (illumination LED lamps and lanterns etc.
AC and DC load) it is formed by family's integrated-type energy resource system and stable operation, the Collaborative Control of the integrated system etc. and asks
Topic researches and develops family microgrid energy router energy management unit equipment, when alternating current breaks down, with DC lighting main control unit
DCU locally links, and executes the simple traffic order of MEMS, is that most suitable family microgrid is powered to DC lighting LED, accomplishes to exchange
It is standby complementary that storage direct-current micro-grid master-is used up at power grid and family, is embodied as novel intelligent lighting uninterrupted power supply.Wherein, EMU is integrated with packet
The single-chip microcontroller of the strategy containing different running control, according to two different users, (the stable user of commercial power supply and commercial power supply are not
Stable user) propose control logic of a set of family microgrid under grid-connect mode, off-network mode, restricted mode, it realizes to family
With the coordinated control of grade microgrid routing energy manage and dispatch, multi-voltage grade sequence alternating current-direct current bus energy stream, it can guarantee family
With microgrid, in the case where can't accept Background control instruction, individual secure is run, final to realize the utmostly sharp of photovoltaic power generation
With.
It is the alternating current-direct current mixing micro-capacitance sensor of core based on the general new energy microgrid energy router of family, EMU can be monitored
The operating status of each component in system controls current transformer each in system and switching component, realizes to system event
Hinder and alarm, and transformation and switching to operational mode.
For the priority level using photovoltaic power generation, heuristic local control strategy under EMU difference operating condition is designed, and provide
Control logic.It is as follows that EMU runs control logic:
Detection judge in the microgrid of family gird-connected inverter grid side whether failure, failure then enters restricted mode if it exists.Sentence again
Whether disconnected microgrid has grid-connected operating condition.
Grid-connect mode:
(1) between judging whether it is daytime, it is then to enter (2), otherwise enters (11)；
(2) judge whether photovoltaic power is greater than the sum of alternating current-direct current load and battery maximum charge power, be then to enter (3), otherwise
Into (6)；
(3) judge whether battery can charge, be then to enter (4), otherwise enter (5)；
(4) battery charges by maximum allowable power, and gird-connected inverter inversion surfs the Internet power as photovoltaic generation power and bearing power
And the difference of battery maximum charge power；
(5) gird-connected inverter inversion online power is the difference of photovoltaic generation power and bearing power, and battery is without charge and discharge；
(6) judge whether photovoltaic power is greater than load power, be then to enter (7), otherwise enter (10)；
(7) judge whether battery can charge, be then to enter (8), otherwise enter (9)；
(8) gird-connected inverter inversion online power is 0, and battery charge power is the difference of photovoltaic generation power and bearing power；
(9) gird-connected inverter inversion online power is the difference of photovoltaic generation power and bearing power, and battery is without charge and discharge；
(10) it is the difference of bearing power and photovoltaic generation power that gird-connected inverter rectification, which takes electrical power, and battery is without charge and discharge
Electricity；
(11) judge whether battery charge state SOC is greater than 0.2, be then to enter (12), otherwise enter (15)；
(12) judge whether battery maximum discharge power is greater than load power, be then to enter (13), otherwise enter (14)；
(13) gird-connected inverter power is 0, nothing left electricity, and battery discharge power is equal with load function；
(14) it is the difference of load power and battery maximum discharge power that gird-connected inverter rectification, which takes electrical power, and battery is according to maximum
Power discharge；
(15) it is load power that gird-connected inverter rectification, which takes electrical power, and battery is without charge and discharge.
Off-network mode:
(1) judge whether photovoltaic power is greater than the sum of alternating current-direct current load and battery maximum charge power, be then to enter (2), otherwise
Into (5)；
(2) judge whether battery can charge, be then to enter (3), otherwise enter (4)；
(3) setting photovoltaic MPPT output power is the sum of bearing power and the maximum allowable charge power of battery, and battery is permitted as maximum
Perhaps power charges；
(4) setting photovoltaic MPPT output power is bearing power, and battery is without charge and discharge；
(5) judge whether photovoltaic power is greater than load power, be then to enter (6), otherwise enter (9)；
(6) judge that battery could charge, be then to enter (7), otherwise enter (8)；
(7) photovoltaic MPPT Maximum Power Output, battery charge according to the difference of photovoltaic generation power and bearing power；
(8) setting photovoltaic MPPT output power is load power, and battery is without charge and discharge；
(9) judge that battery could discharge, be then to enter (10), otherwise enter (11)；
(10) photovoltaic MPPT Maximum Power Output, battery discharge power are the difference of bearing power and photovoltaic generation power；
(11) photovoltaic MPPT Maximum Power Output, battery is without charge and discharge, cut-out or whole loads.
Restricted mode:
The battery charge state SOC of (1) three family direct-current micro-grid is compared, if wherein peak is less than 0.2 enter from
Net mode, peak are greater than 0.2 and enter (2)；
(2) switch being closed between family microgrid and DC lighting LED, and lighting power is adjusted to minimum.Judge photovoltaic function
Whether rate is greater than the sum of load power, DC lighting lowest power and battery maximum charge power, be then enter (3), otherwise into
Enter (6)；
(3) judge that battery could charge, be then to enter (4), otherwise enter (5)；
(4) setting photovoltaic MPPT output power is the sum of bearing power, DC lighting power and battery maximum charge power, battery
It charges by maximum power；
(5) setting photovoltaic MPPT output power is the sum of bearing power and DC lighting power, and battery is without charge and discharge；
(6) judge whether photovoltaic power is greater than the sum of load power and DC lighting power, be then to enter (7), otherwise enter
(10)；
(7) judge that battery could charge, be then to enter (8), otherwise enter (9)；
(8) photovoltaic MPPT Maximum Power Output, battery according to the difference of photovoltaic generation power and load and DC lighting power into
Row charging；
(9) setting photovoltaic MPPT output power is the sum of load power and DC lighting power, and battery is without charge and discharge；
(10) judge whether battery charge state SOC is greater than 0.2, be then to enter (11), otherwise enter (12)；
(11) photovoltaic MPPT Maximum Power Output, battery according to load power and DC lighting power and value and photovoltaic power generation function
The difference of rate is discharged；
(12) coupling cock for disconnecting family microgrid and DC lighting jumps back to (1) and re-starts judgement.
A kind of family local control method of microgrid energy router energy management unit, it is a plurality of to can be realized domestic consumer
Different voltages grade alternating current-direct current bus energy management is handed over including photovoltaic DC bus, energy router DC bus, alternating current
Bus, high-voltage single-pole formula DC feeder bus are flowed, so that microgrid router need to complete the Collaborative Control of energy stream between more buses；Energy
Enough realize domestic consumer under grid-connect mode, off-network mode and restricted mode stable operation and to guarantee DC lighting equipment not
Interruptedly supplying power realizes a greater degree of on-site elimination of distributed power generation under the operational mode of " generating power for their own use, remaining electricity online ".
Detailed description of the invention
Fig. 1 is the topology diagram of alternating current-direct current mixing micro-capacitance sensor energy routing system；
Fig. 2 is family microgrid energy route system control logic flow chart.
Specific embodiment
Study energy management unit (EMU) local control technology.It is core based on the general new energy microgrid energy router of family
The alternating current-direct current mixing micro-capacitance sensor of the heart, EMU are integrated with the single-chip microcontroller comprising different running control strategy, according to two different use
(the stable user of commercial power supply and the unstable user of commercial power supply) proposes a set of family microgrid in grid-connect mode, off-network mould at family
Control logic under formula, restricted mode is realized to family grade microgrid routing energy manage and dispatch, multi-voltage grade sequence alternating current-direct current
The coordinated control of bus energy stream can guarantee that microgrid individual secure in the case where can't accept Background control instruction in family is transported
Row, the final utmostly utilization for realizing photovoltaic power generation.
During micro-capacitance sensor operational management, EMU needs each variable in constantly acquisition and control system, in system item
Part converts or carries out the switching and alarm of state when breaking down in time, to guarantee system stable operation.It needs to monitor
The control variable of acquisition is as follows:
1. acquire three families micro-grid connection inverter and concentrate voltage, the electric current, frequency of cabinet and net side, for judging that power grid is
No failure；
2. the voltage and current of DC bus in three family micro-grid systems is acquired, for judging whether microgrid meets grid-connected item
Part；
3. three family micro-grid connection switch states are acquired, with to determine whether grid-connected；
4. acquisition family gird-connected inverter power in microgrid, accumulative electricity volume, takes electricity daily, is accumulative daily electricity volume
Electricity is taken, for obtaining gird-connected inverter operating status；
5. acquiring alternating current-direct current load power in micro-grid system, every daily power consumption, accumulative electricity consumption, energy router load side is obtained
Operating status；
6. acquiring energy-storage battery power, state-of-charge (SOC), battery health situation (State of in three family micro-grid systems
Health, SOH), temperature, daily charge volume, daily discharge capacity, accumulated discharge amount, for analyzing battery operation state；
7. real-time generated output, the every daily generation, the accumulative total of generating electricity of photovoltaic in micro-grid system are acquired, for analyzing photovoltaic power generation
State；
8. the power of three family micro-grid system high-vols of acquisition, daily variable-flow, accumulative variable-flow, linked switch are opened
Conjunction state gives LED power supply state for obtaining energy router；
9. acquisition DC lighting LED voltage, power, every daily power consumption, accumulative electricity consumption, concentrates cabinet DCU to rectify function daily at electric current
Rate rectifies electricity, accumulative rectification electricity daily, for obtaining LED operating status；
10.EMU locally controls the grid-connected switch folding of family micro-grid system, concentration cabinet and off-network, gird-connected inverter inverter power, hands over
The connected inverter power of DC load, photovoltaic power controller；
11.MEMS and EMU, which combines, controls linked switch and high-vol.
Alternating current-direct current mixing micro-capacitance sensor is formed by exchanging sub- microgrid and the sub- microgrid of direct current, as shown in Figure 1, exchanging sub- microgrid by more
Gang air-conditioner, photovoltaic module, gird-connected inverter are constituted, and the electricity that photovoltaic issues is surfed the Internet by gird-connected inverter, the exchange such as air-conditioning
Load directly takes electricity from power grid；The sub- microgrid of direct current is connected to grade energy router by high-vol port by three families
300V acyclic type DC feeder connects alternating current and acyclic type DC feeder by concentration cabinet, accesses DC lighting on DC feeder,
It concentrates cabinet to take electricity from power grid when normal operation, powers for DC lighting LED, then by shape in three energy routers under restricted mode
State is best for LED power supply.Every family is with being integrated with gird-connected inverter, high-vol, AC load in grade energy router
Inverter, energy-storage battery, DC load current transformer, photovoltaic power controller.Its internal DC bus-bar voltage is 48V, is utilized
Energy management unit EMU controls the operating status of microgrid.
The general new energy microgrid energy route system control logic flow chart (Fig. 2) of family
The energy routing system control logic is a recursion instruction, and EMU passes through to each element operating status in the sub- microgrid of direct current
The monitoring of data acquires, and judges the operating status of microgrid, is controlled using the single-chip microcontroller being internally integrated energy router, made
Obtaining microgrid being capable of stable operation.
Claims (3)
1. a kind of family local control method of microgrid energy router energy management unit, it is characterised in that: energy management list
First (EMU) is integrated with the single-chip microcontroller comprising different running control strategy, for family grade microgrid propose it is a set of grid-connect mode, from
Control logic under net mode, restricted mode is realized and is handed over family grade microgrid routing energy manage and dispatch, multi-voltage grade sequence
The coordinated control of DC bus energy stream can guarantee that family microgrid is independently pacified in the case where can't accept Background control instruction
Row for the national games, it is final realize electric energy in the microgrid of family generate power for their own use and remaining electricity online；The target of the EMU control logic is to realize light
Lie prostrate power generation utmostly utilization, realize each family's micro-grid system operate in generate power for their own use, the mode of remaining electricity online, for utilization
The priority level of photovoltaic power generation designs heuristic local control strategy under EMU difference operating condition, and provides control logic, EMU operation
Control logic is as follows:
Grid-connect mode:
(1) between judging whether it is daytime, it is then to enter (2), otherwise enters (11)；
(2) judge whether photovoltaic power is greater than the sum of alternating current-direct current load and battery maximum charge power, be then to enter (3), otherwise
Into (6)；
(3) judge whether battery can charge, be then to enter (4), otherwise enter (5)；
(4) battery charges by maximum allowable power, and gird-connected inverter inversion surfs the Internet power as photovoltaic generation power and bearing power
And the difference of battery maximum charge power；
(5) gird-connected inverter inversion online power is the difference of photovoltaic generation power and bearing power, and battery is without charge and discharge；
(6) judge whether photovoltaic power is greater than load power, be then to enter (7), otherwise enter (10)；
(7) judge whether battery can charge, be then to enter (8), otherwise enter (9)；
(8) gird-connected inverter inversion online power is 0, and battery charge power is the difference of photovoltaic generation power and bearing power；
(9) gird-connected inverter inversion online power is the difference of photovoltaic generation power and bearing power, and battery is without charge and discharge；
(10) it is the difference of bearing power and photovoltaic generation power that gird-connected inverter rectification, which takes electrical power, and battery is without charge and discharge
Electricity；
(11) judge whether battery charge state SOC is greater than 0.2, be then to enter (12), otherwise enter (15)；
(12) judge whether battery maximum discharge power is greater than load power, be then to enter (13), otherwise enter (14)；
(13) gird-connected inverter power is 0, nothing left electricity, and battery discharge power is equal with load function；
(14) it is the difference of load power and battery maximum discharge power that gird-connected inverter rectification, which takes electrical power, and battery is according to maximum
Power discharge；
(15) it is load power that gird-connected inverter rectification, which takes electrical power, and battery is without charge and discharge；
Off-network mode:
(1) judge whether photovoltaic power is greater than the sum of alternating current-direct current load and battery maximum charge power, be then to enter (2), otherwise
Into (5)；
(2) judge whether battery can charge, be then to enter (3), otherwise enter (4)；
(3) setting photovoltaic MPPT output power is the sum of bearing power and the maximum allowable charge power of battery, and battery is permitted as maximum
Perhaps power charges；
(4) setting photovoltaic MPPT output power is bearing power, and battery is without charge and discharge；
(5) judge whether photovoltaic power is greater than load power, be then to enter (6), otherwise enter (9)；
(6) judge that battery could charge, be then to enter (7), otherwise enter (8)；
(7) photovoltaic MPPT Maximum Power Output, battery charge according to the difference of photovoltaic generation power and bearing power；
(8) setting photovoltaic MPPT output power is load power, and battery is without charge and discharge；
(9) judge that battery could discharge, be then to enter (10), otherwise enter (11)；
(10) photovoltaic MPPT Maximum Power Output, battery discharge power are the difference of bearing power and photovoltaic generation power；
(11) photovoltaic MPPT Maximum Power Output, battery is without charge and discharge, cut-out or whole loads；
Restricted mode:
The battery charge state SOC of (1) three family direct-current micro-grid is compared, if wherein peak is less than 0.2 enter from
Net mode, peak are greater than 0.2 and enter (2)；
(2) switch being closed between family microgrid and DC lighting LED, and lighting power is adjusted to minimum；
Judge whether photovoltaic power is greater than the sum of load power, DC lighting lowest power and battery maximum charge power, is then
Into (3), otherwise enter (6)；
(3) judge that battery could charge, be then to enter (4), otherwise enter (5)；
(4) setting photovoltaic MPPT output power is the sum of bearing power, DC lighting power and battery maximum charge power, battery
It charges by maximum power；
(5) setting photovoltaic MPPT output power is the sum of bearing power and DC lighting power, and battery is without charge and discharge；
(6) judge whether photovoltaic power is greater than the sum of load power and DC lighting power, be then to enter (7), otherwise enter
(10)；
(7) judge that battery could charge, be then to enter (8), otherwise enter (9)；
(8) photovoltaic MPPT Maximum Power Output, battery according to the difference of photovoltaic generation power and load and DC lighting power into
Row charging；
(9) setting photovoltaic MPPT output power is the sum of load power and DC lighting power, and battery is without charge and discharge；
(10) judge whether battery charge state SOC is greater than 0.2, be then to enter (11), otherwise enter (12)；
(11) photovoltaic MPPT Maximum Power Output, battery according to load power and DC lighting power and value and photovoltaic power generation function
The difference of rate is discharged；
(12) coupling cock for disconnecting family microgrid and DC lighting jumps back to (1) and re-starts judgement.
2. a kind of family according to claim 1 local control method of microgrid energy router energy management unit,
Be characterized in that: described after alternating current breaks down, EMU and DC lighting main control unit DCU locally link in a tethered mode,
The simple traffic order of MEMS is executed, is that most suitable family microgrid is powered to DC lighting LED, accomplishes that AC network is used up with family
It is standby complementary to store up direct-current micro-grid master-, is embodied as novel intelligent lighting uninterrupted power supply.
3. a kind of family according to claim 1 local control method of microgrid energy router energy management unit,
It is characterized in that: being in the alternating current-direct current mixing micro-capacitance sensor of core based on the general new energy microgrid energy router of family, EMU can be monitored
The operating status of each component in system controls current transformer each in system and switching component, realizes to system event
Hinder and alarm, and transformation and switching to operational mode.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912197A (en) * | 2019-12-12 | 2020-03-24 | 佛山市思正能源技术有限公司 | Modularized household light storage system capable of automatically scheduling energy and control method |
| CN112994057A (en) * | 2021-02-05 | 2021-06-18 | 中国科学院电工研究所 | Economic operation control method of modular energy router system |
| CN113673779A (en) * | 2021-08-30 | 2021-11-19 | 西安建筑科技大学 | Rural family new energy system optimal configuration method |
| CN113794247A (en) * | 2021-09-06 | 2021-12-14 | 国网山东省电力公司枣庄供电公司 | Power storage control with automatic demand response adjustment |
| CN116865340A (en) * | 2023-07-19 | 2023-10-10 | 青岛鼎信通讯科技有限公司 | Photovoltaic charging station based on energy router and MPPT and anti-backflow method thereof |
| CN117595223A (en) * | 2024-01-18 | 2024-02-23 | 国网山东省电力公司莱芜供电公司 | Power distribution system based on AC/DC micro-grid |
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| CN110912197A (en) * | 2019-12-12 | 2020-03-24 | 佛山市思正能源技术有限公司 | Modularized household light storage system capable of automatically scheduling energy and control method |
| CN110912197B (en) * | 2019-12-12 | 2021-05-04 | 佛山市思正能源技术有限公司 | Modularized household light storage system capable of automatically scheduling energy and control method |
| CN112994057A (en) * | 2021-02-05 | 2021-06-18 | 中国科学院电工研究所 | Economic operation control method of modular energy router system |
| CN113673779A (en) * | 2021-08-30 | 2021-11-19 | 西安建筑科技大学 | Rural family new energy system optimal configuration method |
| CN113673779B (en) * | 2021-08-30 | 2024-04-30 | 西安建筑科技大学 | Rural family new energy system optimal configuration method |
| CN113794247A (en) * | 2021-09-06 | 2021-12-14 | 国网山东省电力公司枣庄供电公司 | Power storage control with automatic demand response adjustment |
| CN113794247B (en) * | 2021-09-06 | 2024-04-05 | 国网山东省电力公司枣庄供电公司 | Automatic demand-responsive regulated power storage control |
| CN116865340A (en) * | 2023-07-19 | 2023-10-10 | 青岛鼎信通讯科技有限公司 | Photovoltaic charging station based on energy router and MPPT and anti-backflow method thereof |
| CN116865340B (en) * | 2023-07-19 | 2024-04-05 | 青岛鼎信通讯科技有限公司 | Photovoltaic charging station based on energy router and MPPT and anti-backflow method thereof |
| CN117595223A (en) * | 2024-01-18 | 2024-02-23 | 国网山东省电力公司莱芜供电公司 | Power distribution system based on AC/DC micro-grid |
| CN117595223B (en) * | 2024-01-18 | 2024-04-12 | 国网山东省电力公司莱芜供电公司 | Power distribution system based on AC/DC micro-grid |
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