CN112653127B - Energy storage scheduling method and system - Google Patents

Energy storage scheduling method and system Download PDF

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Publication number
CN112653127B
CN112653127B CN202011375839.5A CN202011375839A CN112653127B CN 112653127 B CN112653127 B CN 112653127B CN 202011375839 A CN202011375839 A CN 202011375839A CN 112653127 B CN112653127 B CN 112653127B
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electric equipment
power
electricity consumption
electricity
electric
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CN112653127A (en
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郑周云
曾安
钟兆彬
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • 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
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

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Abstract

The invention discloses an energy storage scheduling method and system. Wherein the method comprises the following steps: acquiring and storing the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period; and when the city ionization network is judged, supplying power to all the equipment according to the electricity utilization habit. According to the invention, when the electric network is in the city, the energy storage system can realize self-dispatching according to the electricity utilization habit of each electric equipment of the user and the available stored electric quantity of the energy storage system, and the user is ensured not to break in the expected time on the premise of ensuring the electricity utilization habit of the user as much as possible.

Description

Energy storage scheduling method and system
Technical Field
The invention relates to the field of energy storage scheduling of units, in particular to an energy storage scheduling method and system.
Background
The main idea of the energy internet is to use renewable energy as a main energy supply source, and energy storage is used as a key supporting technology and an important component of the energy internet, so that the energy storage is widely applied at present, and an energy storage scheduling mode is more and more important.
In the prior art, in an off-grid (not connected with a power grid) mode, an energy storage system discharges through monitoring the change condition of the voltage of a discharge bus in real time, when a load is used in a large amount, in order to respond to the power consumption requirement, the energy storage discharge power is increased, and in the response mode, the energy storage is possibly caused to be quickly over-discharged, and the normal operation of an energy router system is influenced.
Aiming at the problem that the energy storage is quickly over-discharged and the energy router system cannot normally run when the network is disconnected in the prior art, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the invention provides an energy storage scheduling method and system, which are used for solving the problem that an energy storage router system cannot normally operate due to fast over-discharge of energy storage during off-grid in the prior art.
In order to solve the technical problems, the invention provides an energy storage scheduling method, which comprises the following steps:
acquiring and storing the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period;
and when the city ionization network is judged, supplying power to all the equipment according to the electricity utilization habit.
Optionally, the supplying power to each device according to the electricity usage habit includes:
calculating electricity consumption data of each electric equipment at the current moment according to the electricity consumption time period of each electric equipment and the electricity consumption quantity corresponding to the electricity consumption time period;
and supplying power to the devices according to the power consumption data of the devices at the current moment.
Optionally, before the determining the city ionization network, the method further includes:
the electric energy is stored by the mains supply.
Optionally, before the power is supplied to each device according to the power consumption data of the current moment of each device, the method further includes:
calculating the total power consumption of each electric device in the city ionization network time period according to the expected city ionization network time period and the power consumption habit of each electric device;
and when the total electricity consumption of each electric equipment exceeds the available stored electricity in the city ionization network time period, adjusting the electric equipment and/or the electricity consumption data, and taking the electricity consumption data as the current-moment electricity consumption data of each electric equipment.
Optionally, the adjusting the electric device and/or the electric data includes:
powering off unnecessary electric equipment in the electric equipment; or alternatively, the first and second heat exchangers may be,
and reducing the power of unnecessary electric equipment in the electric equipment.
Optionally, the calculating the total power consumption of each electric equipment in the city ionization network time period includes:
determining whether unnecessary electric equipment in the electric equipment is powered off according to the difference value between the total electric quantity of the equipment and the available stored electric quantity in the urban ionization network time period; or alternatively, the first and second heat exchangers may be,
and determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total electric quantity of the equipment and the available storage electric quantity in the city ionization network time period.
Optionally, the acquiring the electricity utilization habit of each electric device includes:
and updating the electricity utilization habit of each electric equipment in real time or periodically according to the electricity utilization condition of each electric equipment in the current period.
The invention also provides a computer readable storage medium having stored thereon a computer program, wherein the program when executed by a processor implements a method as described above.
In another aspect, the present invention provides an energy storage scheduling system, the system comprising:
the acquisition unit is used for acquiring and storing the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period;
and the power supply unit is used for supplying power to each device according to the power utilization habit when the urban ionization network is judged.
Optionally, the power supply unit includes:
the calculation module is used for calculating the power consumption data of each electric equipment at the current moment according to the power consumption time period of each electric equipment and the power consumption quantity corresponding to the power consumption time period;
and the power supply module is used for supplying power to the devices according to the power consumption data of the devices at the current moment.
Optionally, the method further comprises:
and the energy storage unit is connected with the power supply unit and is used for storing electric energy through mains supply.
Optionally, the power supply unit further includes:
the total power consumption calculation module is connected with the calculation module and is used for calculating the total power consumption of each electric device in the city ionization network time period according to the expected city ionization network time period and the power consumption habit of each electric device;
and the scheduling module is connected with the total electricity consumption calculation module, and when the total electricity consumption of each electric equipment exceeds the available stored electricity in the city ionization network time period, the electric equipment and/or the electricity consumption data are adjusted and used as the electricity consumption data of the current moment of each electric equipment.
Optionally, the adjusting the electric device and/or the electric data includes:
powering off unnecessary electric equipment in the electric equipment; or alternatively, the first and second heat exchangers may be,
and reducing the power of unnecessary electric equipment in the electric equipment.
Optionally, the power supply module includes:
the equipment power-off module is used for determining whether unnecessary electric equipment in the electric equipment is powered off or not according to the difference value between the total electric quantity of each equipment and the available stored electric quantity in the city ionization network time period; or alternatively, the first and second heat exchangers may be,
and the equipment power reducing module is used for determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total power consumption of each equipment and the available storage power in the urban ionization network time period.
Optionally, the acquiring unit includes:
and the updating module is used for updating the electricity utilization habit of each electric equipment in real time or periodically according to the electricity utilization condition of each electric equipment in the current period.
The invention has the beneficial effects that: the invention acquires and saves the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period; when the urban ionization network is judged, the energy storage system realizes self-dispatching according to the electricity utilization habit of each electric equipment and the available stored electricity quantity of the energy storage system, and the problems that the energy storage is quickly over-discharged and the energy router system cannot normally operate when the electric equipment is off the network in the prior art are solved. Further, on the premise of ensuring the electricity utilization habit of the user as much as possible, the uninterrupted power supply of the user in the expected time is ensured.
Drawings
FIG. 1 is a flow chart of a method of energy storage scheduling according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a configuration for collecting power consumption habits of various devices according to an embodiment of the present invention;
FIG. 3 is a flow chart of an energy storage off-grid scheduling method according to an embodiment of the invention;
fig. 4 is a schematic diagram of a structure of an energy storage scheduling system according to an embodiment of the present invention.
The device comprises an acquisition unit-201, an energy storage unit-202 and a power supply unit-203.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, the "plurality" generally includes at least two.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or device comprising such element.
Alternative embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for energy storage scheduling according to an embodiment of the present invention, as shown in fig. 1, the method includes:
s101, acquiring and storing the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period;
s102, when the city ionization network is judged, power is supplied to all the equipment according to the power utilization habit.
In an alternative embodiment, said powering said devices according to said electricity usage habit comprises: calculating electricity consumption data of each electric equipment at the current moment according to the electricity consumption time period of each electric equipment and the electricity consumption quantity corresponding to the electricity consumption time period; and supplying power to the devices according to the power consumption data of the devices at the current moment.
The energy storage system is matched with the electric energy acquisition module to form an energy storage system, the electric energy acquisition module is used for acquiring and storing the electricity utilization habit of each electric equipment in real time, when the network is not broken, the commercial power directly supplies power to each equipment of a user in real time, at the moment, the energy storage system receives the scheduling strategy of the energy router system, receives the control of the user according to the requirement of the energy router system, responds to the requirement of the energy router system, can accept all reasonable scheduling of the energy router system except the protection range of the energy storage system, and when responding to the requirement of the energy router system, the energy storage system is used for collecting the electricity utilization data of each equipment in each time period of the day, then storing the electricity utilization data of each equipment in each time period of the day and serving as an automatic operation basis of the energy storage system under the off-network condition so as to schedule when the commercial ionization network is used.
When the urban off-grid is judged, the energy storage system does not respond to the scheduling strategies of the energy router system, such as the scheduling strategies of peak clipping and valley filling, economic operation and the like of the power grid. Under the condition, the energy storage system runs autonomously, electricity utilization data of each electric equipment at the current moment is calculated according to the electricity utilization period of each electric equipment and the corresponding electricity utilization quantity of the electricity utilization period, and the electric equipment is powered in real time according to the electricity utilization data, so that the electricity utilization requirement of a user is ensured, and the power is not interrupted in expected time.
According to the invention, the electricity consumption data of each electric equipment at the current moment is calculated in advance according to the electricity consumption time period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption time period, so that when the mains supply is disconnected, even if a large amount of loads are used, each equipment can be powered on as required according to the electricity consumption data, the problem of rapid over-discharge of stored energy caused by the increase of the energy storage and discharge power in response to the requirement of a large amount of loads is avoided. Fig. 2 is a schematic structural diagram of collecting power consumption habits of various devices according to an embodiment of the present invention, where fig. 2 shows: optionally, before the determining the city ionization network, the method further includes: the electric energy is stored by the mains supply.
Before the off-grid judgment, the mains supply supplies power to the energy storage so that the energy storage stores electric quantity, and when the mains supply is off-grid, the electric quantity stored by the energy storage is supplied to each device in real time, so that a user is ensured to be uninterrupted in expected time.
Fig. 3 is a flowchart of an energy storage off-grid scheduling method according to an embodiment of the present invention, as shown in fig. 3: the electric energy acquisition module firstly collects and stores the electricity utilization data of each electric equipment as a scheduling standard;
31. collecting electricity utilization habits of all equipment;
32. saving the data as a scheduling standard;
33. judging whether the commercial power is off-grid;
341. when the commercial power is not off-grid, collecting power utilization data of the equipment in each time period of the same day;
342. storing data of each equipment in each period;
343. comparing and optimizing with the existing scheduling standard;
344. storing the optimized scheduling standard;
34. when judging the urban ionization network, extracting the electricity utilization data of each device;
35. further judging whether the available stored electric quantity meets the total electric quantity requirement;
351. when the available stored electricity meets the requirement, the energy storage responds according to the requirement;
36. when the available stored electric quantity does not meet the requirement, setting the maximum energy storage response quantity of each period;
37. monitoring the bus required power;
38. further judging whether the electricity consumption of each period is larger than the response quantity of each period of energy storage;
381. and if not, performing on-demand response according to the optimized scheduling standard.
39. And when the judgment is yes, setting the maximum response amount according to the stored energy.
Optionally, before the power is supplied to each device according to the power consumption data of the current moment of each device, the method further includes: calculating the total power consumption of each electric device in the city ionization network time period according to the expected city ionization network time period and the power consumption habit of each electric device; and when the total electricity consumption of each electric equipment exceeds the available stored electricity in the city ionization network time period, adjusting the electric equipment and/or the electricity consumption data, and taking the electricity consumption data as the current-moment electricity consumption data of each electric equipment.
In the expected urban off-grid period, for example, the off-grid time is 8:00 is expected to leave the net for 2 hours; the energy storage system calculates and analyzes 8 according to the collected user habit electricity data: 00- -10:00 the electricity consumption condition of the time period, specifically, information such as a life necessary electricity consumption period, necessary electricity consumption corresponding to the necessary electricity consumption period, a life unnecessary electricity consumption period, unnecessary electricity consumption corresponding to the unnecessary electricity consumption period, and the like. And calculating the total electricity consumption according to the electricity consumption condition, wherein the total electricity consumption comprises the necessary electricity consumption and the unnecessary electricity consumption.
Further, in order to ensure necessary electricity consumption of life of the user in off-grid time, the user can give off-grid time to inform the energy storage system in the off-grid time, so that the energy storage system calculates and obtains total electricity consumption of each electric device in the city off-grid time according to the off-grid time and electricity consumption habits of each electric device.
And comparing the calculated total power consumption with the available stored power, and if the total power consumption of each electric device exceeds the available stored power, adjusting the electric device and/or the power consumption data and using the power consumption data as the power consumption data of each electric device at the current moment so as to ensure that the corresponding power consumption of the necessary power consumption period of the user has no influence.
In an alternative embodiment, the adjusting the powered device and/or the power consumption data includes: powering off unnecessary electric equipment in the electric equipment; or, reducing the power of unnecessary electric equipment in the electric equipment.
In an optional implementation manner, the calculating the total power consumption of each electric equipment in the city ionization network time period includes: determining whether unnecessary electric equipment in the electric equipment is powered off according to the difference value between the total electric quantity of the equipment and the available stored electric quantity in the urban ionization network time period; or determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total electric quantity of the equipment and the available storage electric quantity in the city ionization network time period.
When the total electricity consumption does not exceed the available electricity consumption, the available electricity consumption in the stored energy is abundant at the moment, and the stored energy is completely discharged according to the electricity consumption habit of a user (by detecting the fluctuation of the bus voltage and adjusting in real time, the stored energy is discharged according to the necessary electricity consumption and the unnecessary electricity consumption).
When the total electricity consumption exceeds the available stored electricity consumption, at the moment, the electricity is discharged as required in the period of the necessary electricity consumption, and when the unnecessary electricity consumption is used in life, the electricity consumption equipment and/or the electricity consumption data are adjusted according to the residual available stored electricity consumption in the stored energy (the power supply of the unnecessary electricity consumption period is reduced by the down-regulating bus), namely, the unnecessary electricity consumption equipment in the electricity consumption equipment is powered off; or, reducing the power of unnecessary electric equipment in the electric equipment. Further, if the available stored electricity just meets the electricity consumption corresponding to the necessary electricity consumption period, the unnecessary electric equipment in the electric equipment is powered off, and if the available stored electricity meets the electricity consumption corresponding to the necessary electricity consumption period again, the electric equipment is rich, and at the moment, the power of the unnecessary electric equipment in the electric equipment is determined to be reduced according to the residual available stored electricity.
In an optional implementation manner, the acquiring the electricity utilization habit of each electric device includes: and updating the electricity utilization habit of each electric equipment in real time or periodically according to the electricity utilization condition of each electric equipment in the current period.
The metering module collects the user electricity consumption data of each device continuously for one week; analyzing and calculating the average electricity consumption period and average electricity consumption power of each device according to the conventional electricity consumption data of a user in a week; and saving the average power utilization period and the average power utilization of each device into the energy storage system.
The energy storage is used for collecting the electricity utilization habit of each device of the user through the metering module, each day is used as a collecting unit, and the electricity utilization habit of each device of the user is recorded, for example: the time slots are used, and a series of data such as power used in each time slot, daily electricity consumption and the like are provided. The week is an adjusting unit, and according to the electricity utilization condition of each device collected in the week, the relative average electricity utilization habit of each time period of each device of the user is analyzed and calculated, for example: in a period of time approximately used in a week of kitchen electricity in a household, in different periods of time, a series of data such as the size of power consumption and the like are used, and a parameter relative to a reference, namely an average power consumption period and average power consumption of each device, is determined according to the electric quantity data collected in the week; the adjustment of the data is performed weekly in comparison with the optimization of the electricity data collected for the next week. The adjusted data is used as a scheduling standard at the current moment, so that when the city at the current moment is disconnected from the network, the stored electricity quantity is compared with the available stored electricity quantity according to the scheduling standard, and whether the stored electricity is discharged according to the requirement of electricity consumption and the unnecessary electricity consumption is determined; or, powering off unnecessary electric equipment in the electric equipment; or determining the percentage of unnecessary power of the electric equipment in each electric equipment.
Fig. 4 is a schematic structural diagram of an energy storage scheduling system according to an embodiment of the present invention, as shown in fig. 4, the system includes:
an obtaining unit 201, configured to obtain and store an electricity usage habit of each electric device; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period;
and a power supply unit 203 for supplying power to each device according to the power utilization habit when the city ionization network is determined.
As to how to supply power to each device according to the power usage habit, the present embodiment provides a preferred implementation, that is, the power supply unit 203 includes: the calculation module is used for calculating the power consumption data of each electric equipment at the current moment according to the power consumption time period of each electric equipment and the power consumption quantity corresponding to the power consumption time period; and the power supply module is used for supplying power to the devices according to the power consumption data of the devices at the current moment.
The energy storage system is matched with the electric energy acquisition module to form an energy storage system, the electric energy acquisition module is used for acquiring and storing the electricity utilization habit of each electric equipment in real time, when the network is not broken, the commercial power directly supplies power to each equipment of a user in real time, at the moment, the energy storage system receives the scheduling strategy of the energy router system, receives the control of the user according to the requirement of the energy router system, responds to the requirement of the energy router system, can accept all reasonable scheduling of the energy router system except the protection range of the energy storage system, and when responding to the requirement of the energy router system, the energy storage system is used for collecting the electricity utilization data of each equipment in each time period of the day, then storing the electricity utilization data of each equipment in each time period of the day and serving as an automatic operation basis of the energy storage system under the off-network condition so as to schedule when the commercial ionization network is used.
When the urban off-grid is judged, the energy storage system does not respond to the scheduling strategies of the energy router system, such as the scheduling strategies of peak clipping and valley filling, economic operation and the like of the power grid. Under the condition, the energy storage system runs autonomously, electricity utilization data of each electric equipment at the current moment is calculated according to the electricity utilization period of each electric equipment and the corresponding electricity utilization quantity of the electricity utilization period, and the electric equipment is powered in real time according to the electricity utilization data, so that the electricity utilization requirement of a user is ensured, and the power is not interrupted in expected time.
According to the invention, the electricity consumption data of each electric equipment at the current moment is calculated in advance according to the electricity consumption time period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption time period, so that when the mains supply is disconnected, even if a large amount of loads are used, each equipment can be powered on as required according to the electricity consumption data, the problem of rapid over-discharge of stored energy caused by the increase of the energy storage and discharge power in response to the requirement of a large amount of loads is avoided.
In order to realize the electric quantity storage, the energy storage scheduling system further comprises: the energy storage unit 202 is connected to the power supply unit 203 and is used for storing electric energy through the mains supply. Before the off-grid judgment, the mains supply supplies power to the energy storage so that the energy storage stores electric quantity, and when the mains supply is off-grid, the electric quantity stored by the energy storage is supplied to each device in real time, so that a user is ensured to be uninterrupted in expected time.
In an alternative embodiment, the power supply unit 203 further includes:
the total power consumption calculation module is connected with the calculation module and is used for calculating the total power consumption of each electric device in the city ionization network time period according to the expected city ionization network time period and the power consumption habit of each electric device; and the scheduling module is connected with the total electricity consumption calculation module, and when the total electricity consumption of each electric equipment exceeds the available stored electricity in the city ionization network time period, the electric equipment and/or the electricity consumption data are adjusted and used as the electricity consumption data of the current moment of each electric equipment.
In the expected urban off-grid period, for example, the off-grid time is 8:00 is expected to leave the net for 2 hours; the energy storage system calculates and analyzes 8 according to the collected user habit electricity data: 00- -10:00 the electricity consumption condition of the time period, specifically, information such as a life necessary electricity consumption period, necessary electricity consumption corresponding to the necessary electricity consumption period, a life unnecessary electricity consumption period, unnecessary electricity consumption corresponding to the unnecessary electricity consumption period, and the like. And calculating the total electricity consumption according to the electricity consumption condition, wherein the total electricity consumption comprises the necessary electricity consumption and the unnecessary electricity consumption.
Further, in order to ensure necessary electricity consumption of life of the user in off-grid time, the user can give off-grid time to inform the energy storage system in the off-grid time, so that the energy storage system calculates and obtains total electricity consumption of each electric device in the city off-grid time according to the off-grid time and electricity consumption habits of each electric device.
After the total electricity consumption is accurately calculated, comparing the calculated total electricity consumption with the available stored electricity, and if the total electricity consumption of each electric equipment exceeds the available stored electricity, adjusting the electric equipment and/or the electricity consumption data and taking the electric equipment and/or the electricity consumption data as the electricity consumption data of each electric equipment at the current moment so as to ensure that the corresponding electricity consumption of the necessary electricity consumption period of a user has no influence.
In an alternative embodiment, the adjusting the powered device and/or the power consumption data includes: powering off unnecessary electric equipment in the electric equipment; or, reducing the power of unnecessary electric equipment in the electric equipment.
In an alternative embodiment, the power supply module includes: the equipment power-off module is used for determining whether unnecessary electric equipment in the electric equipment is powered off or not according to the difference value between the total electric quantity of each equipment and the available stored electric quantity in the city ionization network time period; or the equipment power reducing module is used for determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total power consumption of each equipment and the available storage power in the city ionization network time period.
When the total electricity consumption does not exceed the available electricity consumption, the available electricity consumption in the stored energy is abundant at the moment, and the stored energy is completely discharged according to the electricity consumption habit of a user (by detecting the fluctuation of the bus voltage and adjusting in real time, the stored energy is discharged according to the necessary electricity consumption and the unnecessary electricity consumption).
When the total electricity consumption exceeds the available stored electricity consumption, at the moment, the electricity is discharged as required in the period of the necessary electricity consumption, and when the unnecessary electricity consumption is used in life, the electricity consumption equipment and/or the electricity consumption data are adjusted according to the residual available stored electricity consumption in the stored energy (the power supply of the unnecessary electricity consumption period is reduced by the down-regulating bus), namely, the unnecessary electricity consumption equipment in the electricity consumption equipment is powered off; or, reducing the power of unnecessary electric equipment in the electric equipment. Further, if the available stored electricity just meets the electricity consumption corresponding to the necessary electricity consumption period, the unnecessary electric equipment in the electric equipment is powered off, and if the available stored electricity meets the electricity consumption corresponding to the necessary electricity consumption period again, the electric equipment is rich, and at the moment, the power of the unnecessary electric equipment in the electric equipment is determined to be reduced according to the residual available stored electricity.
In an alternative embodiment, the obtaining unit 201 includes: and the updating module is used for updating the electricity utilization habit of each electric equipment in real time or periodically according to the electricity utilization condition of each electric equipment in the current period.
The metering module collects the user electricity consumption data of each device continuously for one week; analyzing and calculating the average electricity consumption period and average electricity consumption power of each device according to the conventional electricity consumption data of a user in a week; and saving the average power utilization period and the average power utilization of each device into the energy storage system.
The energy storage is used for collecting the electricity utilization habit of each device of the user through the metering module, each day is used as a collecting unit, and the electricity utilization habit of each device of the user is recorded, for example: the time slots are used, and a series of data such as power used in each time slot, daily electricity consumption and the like are provided. The week is an adjusting unit, and according to the electricity utilization condition of each device collected in the week, the relative average electricity utilization habit of each time period of each device of the user is analyzed and calculated, for example: in a period of time approximately used in a week of kitchen electricity in a household, in different periods of time, a series of data such as the size of power consumption and the like are used, and a parameter relative to a reference, namely an average power consumption period and average power consumption of each device, is determined according to the electric quantity data collected in the week; the adjustment of the data is performed weekly in comparison with the optimization of the electricity data collected for the next week. The adjusted data is used as a scheduling standard at the current moment, so that when the city at the current moment is disconnected from the network, the stored electricity quantity is compared with the available stored electricity quantity according to the scheduling standard, and whether the stored electricity is discharged according to the requirement of electricity consumption and the unnecessary electricity consumption is determined; or, powering off unnecessary electric equipment in the electric equipment; or determining the percentage of unnecessary power of the electric equipment in each electric equipment.
The energy storage scheduling method of the present invention is described below by a preferred embodiment:
1. the power acquisition module acquires and stores the power utilization habit of each electric equipment, calculates the power utilization data of each electric equipment at the current moment according to the power utilization habit of each electric equipment, and takes the power utilization data of each electric equipment as a scheduling standard;
2. the energy storage stores available storage electric quantity through the mains supply;
3. judging whether the commercial power is off-grid, when the commercial power is not off-grid, acquiring and collecting power consumption data of each electric equipment in each time period of the current day by energy storage, comparing and optimizing the power consumption data with the existing dispatching standard, and storing the optimized dispatching standard;
4. when the city ionization network is used, the user gives a notification to the energy storage system when the city ionization network is used;
5. the energy storage system calculates the total power consumption of each electric equipment in the urban off-grid period according to the off-grid period and the optimized scheduling standard;
6. judging whether the total electricity consumption of each electric equipment exceeds the available stored electricity in the urban ionization network time period, and discharging the energy storage according to the necessary electricity consumption and the unnecessary electricity consumption when the total electricity consumption does not exceed the available stored electricity;
when the total power consumption exceeds the available stored power consumption, determining whether unnecessary power consumption of the power consumption equipment is powered off according to the difference value between the total power consumption of the equipment and the available stored power consumption in the city ionization network time period; or alternatively, the first and second heat exchangers may be,
and determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total electric quantity of the equipment and the available storage electric quantity in the city ionization network time period.
Further, the present invention provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements a method as described above.
The technical scheme has the following beneficial effects: the invention acquires and saves the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period; when the urban ionization network is judged, the energy storage system realizes self-dispatching according to the electricity utilization habit of each electric equipment and the available stored electricity quantity of the energy storage system, and the problems that the energy storage is quickly over-discharged and the energy router system cannot normally operate when the electric equipment leaves the network in the prior art are solved; further, on the premise of ensuring the electricity utilization habit of the user as much as possible, the uninterrupted power supply of the user in the expected time is ensured.
The product can execute the method provided by the embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method. Technical details not described in detail in this embodiment may be found in the methods provided in the embodiments of the present invention.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. An energy storage scheduling method, characterized in that the method comprises:
acquiring and storing the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period;
when the city ionization network is judged, power is supplied to all the equipment according to the power utilization habit;
the power supply for each device according to the electricity utilization habit comprises the following steps:
calculating electricity consumption data of each electric equipment at the current moment according to the electricity consumption time period of each electric equipment and the electricity consumption quantity corresponding to the electricity consumption time period;
powering the devices according to the power consumption data of the devices at the current moment;
before the power is supplied to each device according to the power consumption data of the current moment of each device, the method further comprises:
calculating the total power consumption of each electric device in the city ionization network time period according to the expected city ionization network time period and the power consumption habit of each electric device;
when the total electricity consumption of each electric equipment exceeds the available stored electricity in the city ionization network time period, adjusting the electric equipment and/or the electricity consumption data, and taking the electricity consumption data as the current-moment electricity consumption data of each electric equipment;
the adjusting the electric equipment and/or the electric data comprises the following steps:
powering off unnecessary electric equipment in the electric equipment; or alternatively, the first and second heat exchangers may be,
reducing the power of unnecessary electric equipment in the electric equipment;
comprising the following steps: determining whether unnecessary electric equipment in the electric equipment is powered off according to the difference value between the total electric quantity of the equipment and the available stored electric quantity in the urban ionization network time period; or alternatively, the first and second heat exchangers may be,
and determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total electric quantity of the equipment and the available storage electric quantity in the city ionization network time period.
2. The method of claim 1, further comprising, prior to said determining the utility ionization network:
the electric energy is stored by the mains supply.
3. The method of claim 1, wherein the obtaining the power usage habits of each powered device comprises:
and updating the electricity utilization habit of each electric equipment in real time or periodically according to the electricity utilization condition of each electric equipment in the current period.
4. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any of claims 1-3.
5. An energy storage scheduling system, the system comprising:
the acquisition unit is used for acquiring and storing the electricity utilization habit of each electric equipment; the electricity consumption habit comprises the electricity consumption period of each electric equipment and the corresponding electricity consumption amount of the electricity consumption period;
the power supply unit is used for supplying power to each device according to the power utilization habit when judging the urban ionization network;
the power supply unit includes:
the calculation module is used for calculating the power consumption data of each electric equipment at the current moment according to the power consumption time period of each electric equipment and the power consumption quantity corresponding to the power consumption time period;
the power supply module is used for supplying power to the devices according to the power consumption data of the devices at the current moment;
the power supply unit further includes:
the total power consumption calculation module is connected with the calculation module and is used for calculating the total power consumption of each electric device in the city ionization network time period according to the expected city ionization network time period and the power consumption habit of each electric device;
the scheduling module is connected with the total electricity consumption calculation module, and when the total electricity consumption of each electric equipment exceeds the available stored electricity in the urban ionization network time period, the electric equipment and/or the electricity consumption data are adjusted and used as the electricity consumption data of each electric equipment at the current moment;
the adjusting the electric equipment and/or the electric data comprises the following steps:
powering off unnecessary electric equipment in the electric equipment; or alternatively, the first and second heat exchangers may be,
reducing the power of unnecessary electric equipment in the electric equipment;
the power supply module includes:
the equipment power-off module is used for determining whether unnecessary electric equipment in the electric equipment is powered off or not according to the difference value between the total electric quantity of each equipment and the available stored electric quantity in the city ionization network time period; or alternatively, the first and second heat exchangers may be,
and the equipment power reducing module is used for determining the percentage for reducing the power of unnecessary electric equipment in the electric equipment according to the difference value between the total power consumption of each equipment and the available storage power in the urban ionization network time period.
6. The system of claim 5, further comprising:
and the energy storage unit is connected with the power supply unit and is used for storing electric energy through mains supply.
7. The system of claim 5, wherein the acquisition unit comprises:
and the updating module is used for updating the electricity utilization habit of each electric equipment in real time or periodically according to the electricity utilization condition of each electric equipment in the current period.
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