CN108493970A - A kind of new energy distribution system considering Peak-valley TOU power price - Google Patents
A kind of new energy distribution system considering Peak-valley TOU power price Download PDFInfo
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- CN108493970A CN108493970A CN201810223657.2A CN201810223657A CN108493970A CN 108493970 A CN108493970 A CN 108493970A CN 201810223657 A CN201810223657 A CN 201810223657A CN 108493970 A CN108493970 A CN 108493970A
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- 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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Abstract
A kind of new energy distribution system considering Peak-valley TOU power price.New energy distribution system is made of distribution box, energy storage subsystem, photovoltaic generation subsystem, power grid, user and electric energy management system.Step price is combined by the present invention with time-of-use tariffs, utilize electricity price when low order and paddy, give full play to the high advantage of distributed generation resource rate for incorporation into the power network, and enhance the schedulability of system by energy storage device, electric energy management system is according to Spot Price and system for electricity condition, the break-make for controlling each branch switch adjusts the flow direction of electric energy, realizes the maximization of user's economic benefit.
Description
Technical field
The present invention relates to a kind of new energy distribution systems considering Peak-valley TOU power price, more particularly, to a kind of main application
In the distributed solar energy photovoltaic generating system of the occasions such as family, factory, market.
Background technology
The renewable energy power generations such as solar power generation, wind-power electricity generation, tidal power, to solve human society growing tension
Energy crisis and problem of environmental pollution, provide an alternative resolving ideas and method.Ether energy photovoltaic generation is
Example just becomes the important technical of renewable energy utilization as the whole world in recent years is installed being growing of scale.
There are mainly two types of existing domestic solar photovoltaic generation Land use systems, i.e., " in full online " pattern and " from from
With, remaining electricity online " pattern.In general, in order to ensure the electrical stability of distributed generation resource, all can select to add energy storage device to put down
Suppression new energy goes out fluctuation.In order to cultivate the custom that people form using electricity wisely, power grid carries out step price policy；In order to slow
The power supply pressure of power grid, also implements time-of-use tariffs policy when solving peak.Existing distributed photovoltaic power generation system equipment and installation
Cost is higher, " in full online " or " generating power for their own use, remaining electricity online " pattern usually used, and is not formed and energy storage device
And the organic of current electricity price policy agrees with, and leads to that period of cost recovery is long, economic benefit is bad, and people is made to hang back, and hinders
The further genralrlization of household photovoltaic generating system.
Invention content
The technical problem to be solved by the present invention is to, overcome deficiencies of the prior art, provide one kind agree with it is existing
The new energy distribution system of electrovalence policy, high financial profit.
The technical solution adopted by the present invention to solve the technical problems is：It is a kind of to consider that the new energy of Peak-valley TOU power price is matched
Electric system is made of distribution box, energy storage subsystem, photovoltaic generation subsystem, power grid, user and electric energy management system.
The energy storage subsystem includes energy-storage battery and two-way DC/AC current transformers, and two-way DC/AC current transformers pass through switch K1
It is connect with distribution box, energy-storage battery is connected by the DC/DC current transformers of switch K0 and photovoltaic generating system, main realization and distribution
The electric energy that the energy exchange of case and reception photovoltaic generation subsystem are sent out.
The photovoltaic generation subsystem includes solar photovoltaic cell panel, DC/DC current transformers, DC/AC current transformers, DC/AC
Current transformer current transformer is connect by switch K2 with distribution box, mainly realize to distribution box convey electric energy and with energy storage subsystem it is real
Existing energy exchange.
The distribution box is connect by sale of electricity switch K3 and power purchase switch K4 with power grid, the main real-time receipts realized with power grid
Sale of electricity function；And it is connect with user by switch K5.
The electric energy management system passes through new energy monitoring module, energy storage monitoring module, electricity consumption monitoring module and electricity price
Monitoring module detect respectively photovoltaic power generation sub-system, energy storage subsystem, user and power grid status information, and combine weather information
The daily generation predictive information of acquisition module determines the suitable operating mode of system.
The operating mode includes：" PV surfs the Internet, paddy electricity peak use ", " PV surfs the Internet, and peak valley is personal ", " PV is personal, remaining electricity storage
Energy ", " PV is personal, paddy electricity peak use ", " PV is personal, peak valley is personal ".
The selection of the operating mode is realized in the following manner.
（1）If electric-net valley-electricity price is kn, peak electricity price lattice are kn+ a, wherein n are current power amount gradient（N=1,2,3）, a
For electricity price between peak and valley；New energy rate for incorporation into the power network is j；The generated energy of distributed generation resource is h, and electricity consumption is f when peak, electricity consumption when paddy
For g；The efficiency for charge-discharge of energy storage device is η；Peak valley converts electricity price kn ’=kn/ η, z are that peak valley conversion electricity price is poor（kn+a）-kn ’。
（2）Due to k1,2+ a ＜ k3＜ j ＜ k3+ a, when electricity price gradient is in 1 or 2 rank, purchase electricity price is less than sale of electricity electricity price,
The power generation of distributed generation resource should preferentially surf the Internet, and household electricity is bought from power grid；Meanwhile electricity price when in order to more utilize paddy,
It should charge to energy storage device in electricity price paddy, energy storage for power supply is utilized at electricity price peak；Simultaneously in view of there may be peak valleys to turn
When changing electricity price higher than peak the case where electricity price；Therefore, it as z ＞ 0, is adopted as z ＜ 0 using " PV surfs the Internet, paddy electricity peak use " pattern
With " PV surfs the Internet, and peak valley is personal " pattern.
（3）When electricity price gradient is in 3 rank, sale of electricity price is between time-of-use tariffs, and there are two kinds of profits for distributed power generation
With mode, " PV is personal（The power conversion losses caused by paddy electricity peak is used can be reduced at this time）" and " PV online " both of which,
If the former electric cost expenditure is y1, the electric cost expenditure of the latter is y2；In view of no matter mode one or mode two all have " paddy electricity peak
With " possibility（Have to mode one, electricity consumption is more than PV generated energy when peak, needs from power grid power purchase）, therefore should preferentially calculate
When in three rank electricity prices, the conversion electricity price at paddy electricity peak whether there is advantage, i.e. z ＞ 0, benefit is using " paddy electricity peak use " strategy；Work as z
When ＜ 0, benefit is using " peak valley is personal " strategy.
As z ＞ 0, for mode one, be divided into for peak when electricity consumption f be more than PV generated energy h and peak when electricity consumption f be less than PV
Generated energy h both of these case；As f ＞ h, there is y1a=（g-（h-f））* kn；As f ＜ h, there is y1b=（（h-f）/η+g）* kn；
For mode two, y2a=（f/η+g）* kn-h*j；If y1＞ y2, then under three rank electricity prices, the electricity cost of mode one is higher than side
Formula two answers employing mode two " PV surfs the Internet, paddy electricity peak use " at this time；If y1＜ y2, then under three rank electricity prices, the energy charge of mode one
With less than mode two, answering employing mode one " PV is personal, remaining electricity energy storage/paddy electricity peak use " at this time.
As z ＜ 0, there is y as f ＞ h for mode one1a=（g-（h-f））* kn；As f ＜ h, there is y1c=（h-f）*
（kn+a）+g* kn；For mode two, y2b=f*（kn+a）+g* kn-h* j;If y1＞ y2, then under three rank electricity prices, mode one
Electricity cost be higher than mode two, answer employing mode two " PV surf the Internet, peak valley personal " at this time；If y1＜ y2, then in three rank electricity prices
Under, the electricity cost of mode one is less than mode two, answers employing mode one " PV is personal, and remaining electricity energy storage/peak valley is personal " at this time.
Under " PV surf the Internet, paddy electricity peak use " pattern, switch K1, K2, K3, K5 are closed when peak, switch K0, K4 disconnection, Gu Shi
Switch K1, K4, K5 are closed, and switch K0, K2, K3 are disconnected；Under " PV surf the Internet, peak valley personal " pattern, switch K2, K3 when peak, K4,
K5 is closed, and switch K0, K1 is disconnected, switch K4, K5 closure when paddy, switch K0, K1, K2, K3 disconnection；" PV is personal, remaining electricity storage
Can " under pattern, switch K0, K1, K2, K5 are closed when peak, switch K3, K4 disconnection, switch K1, K4, K5 closure when paddy, switch K0,
K2, K3 are disconnected；Under " PV personal, paddy electricity peak use " pattern, switch K1, K2, K4, K5 are closed when peak, switch K0, K3 disconnection, paddy
Shi Kaiguan K1, K4, K5 are closed, and switch K0, K2, K3 are disconnected；Under " PV personal, peak valley personal " pattern, switch K2, K4 when peak,
K5 is closed, and switch K0, K1, K3 is disconnected, switch K4, K5 closure when paddy, switch K0, K1, K2, K3 disconnection.
Since electricity consumption and this kind of parameter of generated energy belong to by momentum, the tool of this tittle could be finally known after the same day
Body numerical value；And control strategy is to need to realize ways of carrying out selection according to these parameters, it is therefore desirable to be carried out to these parameters pre-
Estimate to complete the selection in advance of control strategy；PV generated energy h：Second day temperature and intensity of illumination letter are obtained according to weather forecast
Breath, estimates generated energy h；Peak（f）Paddy（g）Electricity consumption：It can be obtained from history power information, specific computational methods are：
On this month, upper 1 average daily peak（Paddy）The practical peak on date is already expired with this month for electricity consumption（Paddy）The mean value of electricity consumption.
The invention has the advantages that time-of-use tariffs are combined with step price, by energy storage subsystem, enhance and be
The schedulability of system energy, realizes the maximization of user's economic benefit.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the new energy distribution system structure chart of the present invention.
Fig. 2 is the electric energy management system control flow chart of the present invention.
Specific implementation mode
In order to illustrate more clearly of technical scheme of the present invention, embodiment will be used simply to be situated between the present invention below
It continues, it should be apparent that, in being described below is only some embodiments of the present invention, and those of ordinary skill in the art are come
It says, without having to pay creative labor, other technical solutions can also be obtained according to these embodiments, also belonged to
Disclosure of the invention range.
Referring to attached drawing 1, a kind of new energy distribution system considering Peak-valley TOU power price, by distribution box, energy storage subsystem, light
Power generation sub-system, power grid, user and electric energy management system is lied prostrate to constitute.
The energy storage subsystem includes energy-storage battery and two-way DC/AC current transformers, and two-way DC/AC current transformers pass through switch K1
It is connect with distribution box, energy-storage battery is connected by the DC/DC current transformers of switch K0 and photovoltaic generating system, main realization and distribution
The electric energy that the energy exchange of case and reception photovoltaic generation subsystem are sent out.
The photovoltaic generation subsystem includes solar photovoltaic cell panel, DC/DC current transformers, DC/AC current transformers, DC/AC
Current transformer current transformer is connect by switch K2 with distribution box, mainly realize to distribution box convey electric energy and with energy storage subsystem it is real
Existing energy exchange.
The distribution box is connect by sale of electricity switch K3 and power purchase switch K4 with power grid, the main real-time receipts realized with power grid
Sale of electricity function；And it is connect with user by switch K5.
The electric energy management system passes through new energy monitoring module, energy storage monitoring module, electricity consumption monitoring module and electricity price
Monitoring module detect respectively photovoltaic power generation sub-system, energy storage subsystem, user and power grid status information, and combine weather information
The daily generation predictive information of acquisition module determines the suitable operating mode of system.
The operating mode includes：" PV surfs the Internet, paddy electricity peak use ", " PV surfs the Internet, and peak valley is personal ", " PV is personal, remaining electricity storage
Energy ", " PV is personal, paddy electricity peak use ", " PV is personal, peak valley is personal ".
Referring to attached drawing 2, the selection of the operating mode is realized in the following manner.
（1）If electric-net valley-electricity price is kn, peak electricity price lattice are kn+ a, wherein n are current power amount gradient（N=1,2,3）, a
For electricity price between peak and valley；New energy rate for incorporation into the power network is j；The generated energy of distributed generation resource is h, and electricity consumption is f when peak, electricity consumption when paddy
For g；The efficiency for charge-discharge of energy storage device is η；Peak valley converts electricity price kn ’=kn/ η, z are that peak valley conversion electricity price is poor（kn+a）-kn ’。
（2）Due to k1,2+ a ＜ k3＜ j ＜ k3+ a, when electricity price gradient is in 1 or 2 rank, purchase electricity price is less than sale of electricity electricity price,
The power generation of distributed generation resource should preferentially surf the Internet, and household electricity is bought from power grid；Meanwhile electricity price when in order to more utilize paddy,
It should charge to energy storage device in electricity price paddy, energy storage for power supply is utilized at electricity price peak；Simultaneously in view of there may be peak valleys to turn
When changing electricity price higher than peak the case where electricity price；Therefore, it as z ＞ 0, is adopted as z ＜ 0 using " PV surfs the Internet, paddy electricity peak use " pattern
With " PV surfs the Internet, and peak valley is personal " pattern.
（3）When electricity price gradient is in 3 rank, sale of electricity price is between time-of-use tariffs, and there are two kinds of profits for distributed power generation
With mode, " PV is personal（The power conversion losses caused by paddy electricity peak is used can be reduced at this time）" and " PV online " both of which,
If the former electric cost expenditure is y1, the electric cost expenditure of the latter is y2；In view of no matter mode one or mode two all have " paddy electricity peak
With " possibility（Have to mode one, electricity consumption is more than PV generated energy when peak, needs from power grid power purchase）, therefore should preferentially calculate
When in three rank electricity prices, the conversion electricity price at paddy electricity peak whether there is advantage, i.e. z ＞ 0, benefit is using " paddy electricity peak use " strategy；Work as z
When ＜ 0, benefit is using " peak valley is personal " strategy.
As z ＞ 0, for mode one, be divided into for peak when electricity consumption f be more than PV generated energy h and peak when electricity consumption f be less than
PV generated energy h both of these case；As f ＞ h, there is y1a=（g-（h-f））* kn；As f ＜ h, there is y1b=（（h-f）/η+g）*
kn；For mode two, y2a=（f/η+g）* kn-h*j;If y1＞ y2, then under three rank electricity prices, the electricity cost of mode one is higher than
Mode two answers employing mode two " PV surfs the Internet, paddy electricity peak use " at this time；If y1＜ y2, then under three rank electricity prices, the electricity consumption of mode one
Expense is less than mode two, answers employing mode one " PV is personal, remaining electricity energy storage/paddy electricity peak use " at this time.
As z ＜ 0, there is y as f ＞ h for mode one1a=（g-（h-f））* kn；As f ＜ h, there is y1c=（h-f）*
（kn+a）+g* kn；For mode two, y2b=f*（kn+a）+g* kn-h* j;If y1＞ y2, then under three rank electricity prices, mode one
Electricity cost be higher than mode two, answer employing mode two " PV surf the Internet, peak valley personal " at this time；If y1＜ y2, then in three rank electricity prices
Under, the electricity cost of mode one is less than mode two, answers employing mode one " PV is personal, and remaining electricity energy storage/peak valley is personal " at this time.
Under " PV surf the Internet, paddy electricity peak use " pattern, switch K1, K2, K3, K5 are closed when peak, switch K0, K4 disconnection, Gu Shi
Switch K1, K4, K5 are closed, and switch K0, K2, K3 are disconnected；Under " PV surf the Internet, peak valley personal " pattern, switch K2, K3 when peak, K4,
K5 is closed, and switch K0, K1 is disconnected, switch K4, K5 closure when paddy, switch K0, K1, K2, K3 disconnection；" PV is personal, remaining electricity storage
Can " under pattern, switch K0, K1, K2, K5 are closed when peak, switch K3, K4 disconnection, switch K1, K4, K5 closure when paddy, switch K0,
K2, K3 are disconnected；Under " PV personal, paddy electricity peak use " pattern, switch K1, K2, K4, K5 are closed when peak, switch K0, K3 disconnection, paddy
Shi Kaiguan K1, K4, K5 are closed, and switch K0, K2, K3 are disconnected；Under " PV personal, peak valley personal " pattern, switch K2, K4 when peak,
K5 is closed, and switch K0, K1, K3 is disconnected, switch K4, K5 closure when paddy, switch K0, K1, K2, K3 disconnection.
Since electricity consumption and this kind of parameter of generated energy belong to by momentum, the tool of this tittle could be finally known after the same day
Body numerical value；And control strategy is to need to realize ways of carrying out selection according to these parameters, it is therefore desirable to be carried out to these parameters pre-
Estimate to complete the selection in advance of control strategy；PV generated energy h：Second day temperature and intensity of illumination letter are obtained according to weather forecast
Breath, estimates generated energy h；Peak（f）Paddy（g）Electricity consumption：It can be obtained from history power information, specific computational methods are：
On this month, upper 1 average daily peak（Paddy）The practical peak on date is already expired with this month for electricity consumption（Paddy）The mean value of electricity consumption.
Claims (4)
1. a kind of new energy distribution system considering Peak-valley TOU power price, which is characterized in that by distribution box, energy storage subsystem, light
Power generation sub-system, power grid, user and electric energy management system is lied prostrate to constitute；
The energy storage subsystem includes energy-storage battery and two-way DC/AC current transformers, two-way DC/AC current transformers by switch K1 with match
Electronic box connects, and energy-storage battery is connected by the DC/DC current transformers of switch K0 and photovoltaic generating system, main to realize and distribution box
The electric energy that energy exchange and reception photovoltaic generation subsystem are sent out；
The photovoltaic generation subsystem includes solar photovoltaic cell panel, DC/DC current transformers, DC/AC current transformers, DC/AC unsteady flows
Device current transformer is connect by switch K2 with distribution box, is mainly realized and is conveyed electric energy to distribution box and realize energy with energy storage subsystem
Amount exchanges；
The distribution box is connect by sale of electricity switch K3 and power purchase switch K4 with power grid, the main real-time receipts sale of electricity realized with power grid
Function；And it is connect with user by switch K5；
The electric energy management system is monitored by new energy monitoring module, energy storage monitoring module, electricity consumption monitoring module and electricity price
Module detect respectively photovoltaic power generation sub-system, energy storage subsystem, user and power grid status information, and combine weather information obtain
The daily generation predictive information of module determines the suitable operating mode of system；
The operating mode includes：" PV surf the Internet, paddy electricity peak use ", " PV surfs the Internet, and peak valley is personal ", " PV is personal, remaining electricity energy storage ",
" PV is personal, paddy electricity peak use ", " PV is personal, peak valley is personal ".
2. a kind of new energy distribution system considering Peak-valley TOU power price according to claim 1, which is characterized in that described
The selection of operating mode is realized in the following manner：
（1）If electric-net valley-electricity price is kn, peak electricity price lattice are kn+ a, wherein n are current power amount gradient（N=1,2,3）, a is peak
Paddy electricity price differential；New energy rate for incorporation into the power network is j；The generated energy of distributed generation resource is h, and electricity consumption is f when peak, and electricity consumption is g when paddy；
The efficiency for charge-discharge of energy storage device is η；Peak valley converts electricity price kn ’=kn/ η, z are that peak valley conversion electricity price is poor（kn+a）-kn ’；
（2）Due to k1,2+ a ＜ k3＜ j ＜ k3+ a, when electricity price gradient is in 1 or 2 rank, purchase electricity price is less than sale of electricity electricity price, distribution
The power generation of formula power supply should preferentially surf the Internet, and household electricity is bought from power grid；Meanwhile electricity price when in order to more utilize paddy, it should
It charges to energy storage device in electricity price paddy, energy storage for power supply is utilized at electricity price peak；Simultaneously in view of there may be peak valley conversion electricity
When valence is higher than peak the case where electricity price；Therefore, as z ＞ 0, using " PV surfs the Internet, paddy electricity peak use " pattern, as z ＜ 0, using " PV
Online, peak valley are personal " pattern；
（3）When electricity price gradient is in 3 rank, sale of electricity price is between time-of-use tariffs, and there are two kinds of utilization sides for distributed power generation
Formula, " PV is personal（The power conversion losses caused by paddy electricity peak is used can be reduced at this time）" and " PV online " both of which, if preceding
The electric cost expenditure of person is y1, the electric cost expenditure of the latter is y2；In view of no matter mode one or mode two all have " paddy electricity peak use "
It may（Have to mode one, electricity consumption is more than PV generated energy when peak, needs from power grid power purchase）, therefore should preferentially calculate in three ranks
When the conversion electricity price at paddy electricity peak whether there is advantage, i.e. z ＞ 0 when electricity price, benefit is using " paddy electricity peak use " strategy, as z ＜ 0,
Benefit is using " peak valley is personal " strategy；
As z ＞ 0, for mode one, be divided into for peak when electricity consumption f be more than PV generated energy h and peak when electricity consumption f be less than PV power generations
Measure h both of these case；As f ＞ h, there is y1a=（g-（h-f））* kn；As f ＜ h, there is y1b=（（h-f）/η+g）* kn；For
Mode two, y2a=（f/η+g）* kn-h*j；If y1＞ y2, then under three rank electricity prices, the electricity cost of mode one is higher than mode two,
Employing mode two " PV surfs the Internet, paddy electricity peak use " is answered at this time；If y1＜ y2, then under three rank electricity prices, the electricity cost of mode one is less than
Mode two answers employing mode one " PV is personal, remaining electricity energy storage/paddy electricity peak use " at this time；
As z ＜ 0, there is y as f ＞ h for mode one1a=（g-（h-f））* kn；As f ＜ h, there is y1c=（h-f）*（kn+
a）+g* kn；For mode two, y2b=f*（kn+a）+g* kn-h* j；If y1＞ y2, then under three rank electricity prices, the use of mode one
The electricity charge are higher than mode two, answer employing mode two " PV surfs the Internet, and peak valley is personal " at this time；If y1＜ y2, then under three rank electricity prices, side
The electricity cost of formula one is less than mode two, answers employing mode one " PV is personal, and remaining electricity energy storage/peak valley is personal " at this time.
3. a kind of new energy distribution system considering Peak-valley TOU power price according to claim 1, which is characterized in that
Under " PV surf the Internet, paddy electricity peak use " pattern, switch K1, K2, K3, K5 are closed when peak, switch K0, K4 disconnection, switch K1, K4 when paddy,
K5 is closed, and switch K0, K2, K3 are disconnected；Under " PV surf the Internet, peak valley personal " pattern, switch K2, K3, K4, K5 closure when peak is opened
It closes K0, K1 to disconnect, switch K4, K5 are closed when paddy, switch K0, K1, K2, K3 disconnection；Under " PV is personal, remaining electricity energy storage " pattern,
Switch K0, K1, K2, K5 is closed when peak, and switch K3, K4 is disconnected, switch K1, K4, K5 closure when paddy, switch K0, K2, K3 disconnection；
Under " PV personal, paddy electricity peak use " pattern, switch K1, K2, K4, K5 are closed when peak, switch K0, K3 disconnection, switch K1 when paddy,
K4, K5 are closed, and switch K0, K2, K3 are disconnected；Under " PV personal, peak valley personal " pattern, switch K2, K4, K5 closure when peak is opened
It closes K0, K1, K3 to disconnect, switch K4, K5 are closed when paddy, switch K0, K1, K2, K3 disconnection.
4. a kind of new energy distribution system considering Peak-valley TOU power price according to claim 1, which is characterized in that due to
Electricity consumption and this kind of parameter of generated energy belong to by momentum, and the concrete numerical value of this tittle could be finally known after the same day；And it controls
Strategy processed is to need to realize ways of carrying out selection according to these parameters, it is therefore desirable to is estimated to these parameters to complete to control
The selection in advance of strategy；PV generated energy h：Second day temperature is obtained according to weather forecast and illumination intensity information, estimation are set out
Electricity h；Peak（f）Paddy（g）Electricity consumption：It can be obtained from history power information, specific computational methods are：On this month, upper 1 day
Equal peak（Paddy）The practical peak on date is already expired with this month for electricity consumption（Paddy）The mean value of electricity consumption.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659671A (en) * | 2021-08-12 | 2021-11-16 | 深圳市富兰瓦时技术有限公司 | Energy conversion management system and method |
| CN117650634A (en) * | 2024-01-30 | 2024-03-05 | 国网山东省电力公司青州市供电公司 | Intelligent management and control device, system and management and control method for power grid energy storage equipment |
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| CN117650634A (en) * | 2024-01-30 | 2024-03-05 | 国网山东省电力公司青州市供电公司 | Intelligent management and control device, system and management and control method for power grid energy storage equipment |
| CN117650634B (en) * | 2024-01-30 | 2024-05-07 | 国网山东省电力公司青州市供电公司 | Intelligent management and control device, system and management and control method for power grid energy storage equipment |
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