CN115759480A - Multistage energy storage type port operation interaction method, device, equipment and medium - Google Patents
Multistage energy storage type port operation interaction method, device, equipment and medium Download PDFInfo
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Abstract
The invention discloses a multistage energy storage type port operation interaction method, a device, equipment and a medium, wherein the method comprises the following steps: acquiring the energy consumption and the operation task amount of the unit operation distance of the harbor operation equipment; determining the energy consumption required by the harbor working equipment according to the unit working distance energy consumption and the working task amount based on the time period corresponding to the peak electricity price mechanism; determining the discharge capacity of the energy storage device of the harbor working equipment according to the discharge capacity of the harbor working equipment; determining wind power generation capacity and photovoltaic power generation capacity according to the environmental information; and determining an energy storage result of the harbour working equipment according to the difference relation among the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic generation capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment. The invention solves the technical problems that how to effectively consider the uncertainty of renewable energy sources and how to balance the incompatibility between the energy planning for the port equipment and the actual demand in the prior art.
Description
Technical Field
The invention relates to the technical field of optimal scheduling of an 'energy-traffic' coupled system of a port, in particular to a multistage energy storage type port operation interaction method, a multistage energy storage type port operation interaction device, electronic equipment and a storage medium.
Background
In recent years, the energy crisis and environmental deterioration have been serious problems in common in countries around the world. The port is used as an important hub of global maritime trade, takes important tasks such as transportation and storage of import and export goods and is also a large energy consumption household. The environmental pollution of port production to the city and surrounding areas is reduced, and the development of renewable energy sources becomes a necessary trend for promoting the green ecological development of ports. Therefore, on the basis of adjusting the traditional fuel energy supply, renewable energy sources such as wind power, photovoltaic and ocean energy are comprehensively developed and utilized, the optimization of the port energy supply structure is promoted, and the method is an effective way for relieving the energy shortage of coastal areas in China.
In order to respond to the national policy of energy conservation and emission reduction, the energy supply structure of the port is reformed, the occupation ratio of renewable energy sources is improved, and a lot of automatic ports in China introduce renewable energy sources, such as Jiangyin ports, mansion ports, qingdao ports and other ports successively develop green energy system construction engineering. At present, a port renewable energy management system lacks scientific and efficient technical means and effective theoretical methods, and the existing research mainly focuses on the following aspects: optimizing the dispatching of the port energy system by using the experience and method of the power distribution network, and taking the operation optimization of source network charge storage as the key point; and the consumption of renewable energy sources by the port is reduced by analyzing the optimal configuration of the port resources.
In the prior art, only optimization of a port energy system is considered, and cooperative optimization and dynamic adaptation research of the port logistics system and the energy system are less, so that the utilization efficiency of renewable energy sources by a port is low.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a multistage energy storage type port operation interaction method, a multistage energy storage type port operation interaction device, electronic equipment and a storage medium, and solves the technical problems that how to effectively consider the uncertainty of renewable energy sources and how to balance the incompatibility between energy planning and actual requirements for port equipment in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
in a first aspect, the invention provides a multistage energy storage type port operation interaction method, which comprises the following steps:
acquiring the energy consumption and the operation task amount of the unit operation distance of the harbor operation equipment;
determining the energy consumption required by the harbor working equipment according to the unit working distance energy consumption and the working task amount based on the time period corresponding to the peak electricity price mechanism;
determining the discharge capacity of the energy storage device of the harbour construction equipment according to the discharge capacity of the harbour construction equipment;
determining wind power generation capacity and photovoltaic power generation capacity according to the environmental information;
and determining an energy storage result of the harbour working equipment according to the difference relation among the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic generation capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment.
In some embodiments, the determining the energy consumption amount required by the harbor working equipment according to the unit working distance energy consumption amount and the working task amount includes:
dividing a day into a plurality of time periods according to the peak electricity price mechanism, wherein the plurality of time periods comprise a peak time period, a flat time period, a valley time period and a deep valley time period;
determining the peak energy consumption required by the port operation equipment in the peak time period according to the unit operation distance energy consumption and the operation task amount;
determining the peak energy consumption required by the harbor construction equipment in the peak time period according to the unit operation distance energy consumption and the operation task amount;
determining the flat section energy consumption required by the harbor construction equipment in the flat section time period according to the unit operation distance energy consumption and the operation task amount;
determining the valley energy consumption required by the harbor construction equipment in the valley time period according to the unit operation distance energy consumption and the operation task amount;
determining the deep valley energy consumption required by the harbor construction equipment in the deep valley time period according to the unit operation distance energy consumption and the operation task amount;
and determining the energy consumption required by the harbor working equipment according to the peak energy consumption, the flat section energy consumption, the valley energy consumption and the deep valley energy consumption.
In some embodiments, the amount of energy consumption required by the harbor operations facility may be represented by the following equation:
wherein: d represents a port operation equipment set, and k belongs to D = {1,2,3}; omega k (T) is a task sequence set of the wharf device k in a time period T, and tau belongs to omega k (T); i represents a load state; mu.s k,τ Indicating whether the task tau is executed by the device k in the scheduling period; alpha is alpha k,τ,i Representing the average energy consumption of the unit working distance of the harbor working equipment k for executing the task tau under the loading state i; p is a radical of k,τ Representing the current position of the port working equipment k in the process of executing the completion task tau; ps τ-1 Represents the starting execution position of task tau-1; pe τ Represents the end execution position of the task tau; g k,i (. Cndot.) represents a working distance function for the device k to perform the task τ in the load state i.
In some embodiments, the determining the discharge amount of the energy storage device of the harbour working equipment according to the discharge capacity of the harbour working equipment includes:
respectively acquiring the energy conversion loss coefficient and the average energy storage of unit working distance of the energy storage device of each port working device;
and determining the discharge capacity of the energy storage device of the harbor working equipment according to the energy conversion loss coefficient, the average energy storage per unit working distance, the working task capacity and the energy consumption per unit working distance.
In some embodiments, the discharge capacity of the harbour plant energy storage device may be represented by the following formula:
wherein:
the energy conversion loss coefficient of the distributed energy storage device of any equipment; beta is a k,τ,i Averagely storing energy for the unit working distance of the task tau executed by any equipment k in a load state i; p is a radical of k,τ Representing the current position of the port working equipment k in the process of executing the completion task tau; ps is τ-1 Represents the starting execution position of task tau-1; pe τ Represents the end execution position of the task tau; g k,i (. Cndot.) represents a working distance function for the device k to perform the task τ in the load state i.
In some embodiments, the determining the energy storage result of the harbour work equipment according to the difference relationship between the sum of the discharge capacity, the wind power generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour work equipment and the energy consumption required by the harbour work equipment comprises:
if the difference relationship is that the sum of the discharge capacity, the wind power generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour working equipment is larger than the energy consumption capacity required by the harbour working equipment, redundant discharge capacity and/or redundant power generation capacity are/is stored in the energy storage device and/or the centralized energy storage system of the harbour working equipment;
and if the difference relationship is that the sum of the discharge capacity of the energy storage device of the harbour working equipment, the wind power generation capacity and the photovoltaic power generation capacity is smaller than the energy consumption required by the harbour working equipment, supplementing the difference electric quantity through a national power grid system to enable the harbour working equipment to normally operate.
In some embodiments, the wind power generation and the photovoltaic power generation may be represented by the following formulas, respectively:
wherein the content of the first and second substances,
is the amount of electricity generated by wind energy,
is the photovoltaic power generation amount,
is the wind speed forecast data of the time interval; v (t represents the wind speed at the current time t; v out Representing the cut-out wind speed at the current time; v. of N Represents a rated wind speed; v. of in Representing the cut-in wind speed at the current time; p WTN Representing the rated output power of the fan;
is the amount of illumination radiation over the period of time;
is the temperature of the time period; p PVMax Is a standard condition (T) stc ,G stc ) Maximum power per unit area of the lower photovoltaic array; g stc Represents the incident intensity of sunlight under standard conditions; t is stc Representing the corresponding ambient temperature under standard conditions; m is a unit of i The area of the ith panel is shown; k c Indicating the power factor.
In a second aspect, the present invention further provides a multistage energy storage type port operation interaction device, including:
the acquisition module is used for acquiring the energy consumption and the operation task amount of the unit operation distance of the harbor operation equipment;
the energy consumption determining module is used for determining the energy consumption required by the harbor working equipment according to the unit working distance energy consumption and the working task amount based on the time period corresponding to the peak electricity price mechanism;
the discharge capacity determining module is used for determining the discharge capacity of the energy storage device of the harbor working equipment according to the discharge capacity of the harbor working equipment;
the generating capacity determining module is used for determining wind generating capacity and photovoltaic generating capacity according to the environmental information;
and the energy storage result determining module is used for determining the energy storage result of the harbour working equipment according to the quantity difference relation between the sum of the discharge capacity, the wind energy generating capacity and the photovoltaic generating capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment.
In a third aspect, the present invention further provides an electronic device, including: a processor and a memory;
the memory has stored thereon a computer readable program executable by the processor;
the processor, when executing the computer readable program, implements the steps in the multi-stage energy storage type port operation interaction method as described above.
In a fourth aspect, the present invention also provides a computer-readable storage medium storing one or more programs, which are executable by one or more processors to implement the steps in the multi-stage energy storage type port operation interaction method as described above.
Compared with the prior art, the multi-stage energy storage type port operation interaction method, the multi-stage energy storage type port operation interaction device, the electronic equipment and the storage medium provided by the invention have the advantages that firstly, the energy consumption and the operation task amount of the port operation equipment in unit operation distance are determined based on a peak electricity price mechanism, then, the discharge amount of the energy storage device of the port operation equipment, the generated energy of clean energy sources and the photovoltaic generated energy are obtained, finally, the sum of the energy consumption, the discharge amount and the generated energy is compared, the relationship among the energy consumption, the discharge amount and the generated energy is dynamically monitored, the ultimate energy is reasonably utilized in the primary energy source, and the utilization efficiency of the renewable energy source is improved.
Drawings
FIG. 1 is a flow chart of an embodiment of a multi-stage energy storage type port operation interaction method provided by the invention;
fig. 2 is a schematic diagram of an embodiment of step S103 in the multi-stage energy storage type port operation interaction method provided by the present invention;
FIG. 3 is a schematic diagram of an embodiment of a multi-stage energy storage type port operation interaction device provided by the invention;
fig. 4 is a schematic operating environment diagram of an embodiment of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the multi-stage energy storage type port operation interaction method, the multi-stage energy storage type port operation interaction device, the electronic equipment and the storage medium, the energy consumption amount required by the port operation equipment, the generating capacity of clean energy and the storage amount of the port operation equipment are obtained, and the relation between consumption and power distribution is established, so that the difference between the power consumption amount and the power distribution amount is reflected visually, the clean energy can be utilized to the maximum extent, and the dependence on non-renewable energy is reduced.
The embodiment of the present invention provides a multistage energy storage type port operation interaction method, please refer to fig. 1, which includes:
s101, acquiring unit operation distance energy consumption and operation task amount of the port operation equipment;
s102, determining the energy consumption required by the harbor working equipment according to the unit working distance energy consumption and the working task amount based on the time period corresponding to the peak electricity price mechanism;
s103, determining the discharge capacity of the energy storage device of the harbor construction equipment according to the discharge capacity of the harbor construction equipment;
s104, determining wind power generation amount and photovoltaic power generation amount according to environmental information;
and S105, determining an energy storage result of the harbour working equipment according to the difference relation among the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic generation capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment.
In the embodiment, firstly, the energy consumption required by the harbor working equipment is determined based on a peak electricity price mechanism according to the unit working distance energy consumption and the working task amount of the harbor working equipment, then the discharge amount of an energy storage device of the harbor working equipment, the wind energy of clean energy and the power generation amount of photovoltaic are obtained, finally, the sum of the energy consumption, the discharge amount and the power generation amount is compared, the relationship among the energy consumption, the discharge amount and the power generation amount is dynamically monitored, the primary energy is reasonably utilized to the maximum extent, and the utilization efficiency of renewable energy is improved.
It should be noted that the port working equipment at least comprises a heavy (light) box forklift, a tire crane, a forklift, a gantry crane and a tire crane.
Further, the wind power generation amount is predicted according to local weather forecast to obtain wind speed forecast data in the time period, and the wind power generation amount is estimated
According to local weather forecast and a sensing device, the illumination radiation amount and the temperature in the period are obtained, and the photovoltaic power generation amount is estimated
In some embodiments, the determining the energy consumption amount required by the harbor working equipment according to the energy consumption amount per unit working distance and the working task amount comprises:
dividing a day into a plurality of time periods according to the peak electricity price mechanism, wherein the plurality of time periods comprise a peak time period, a flat time period, a valley time period and a deep valley time period;
determining the peak energy consumption required by port construction equipment in the peak time period according to the unit operation distance energy consumption and the operation task amount;
determining the peak energy consumption required by the harbor construction equipment in the peak time period according to the unit operation distance energy consumption and the operation task amount;
determining the flat section energy consumption required by the flat section time slot harbor construction equipment according to the unit operation distance energy consumption and the operation task amount;
determining the valley energy consumption required by the harbor construction equipment in the valley time period according to the unit operation distance energy consumption and the operation task amount;
determining the deep valley energy consumption required by the harbor construction equipment in the deep valley time period according to the unit operation distance energy consumption and the operation task amount;
and determining the energy consumption required by the harbor working equipment according to the peak energy consumption, the flat section energy consumption, the valley energy consumption and the deep valley energy consumption.
In the embodiment, in combination with different power consumption conditions in each time period, a peak power price mechanism is adopted to adjust the power consumption condition of the load side, and the resource allocation is optimized; and then counting the total energy consumption of each time period to determine the total energy consumption of the harbor operation equipment.
In some embodiments, the amount of energy consumption required by the harbor operations facility may be represented by the following equation:
wherein: d represents a port operation equipment set, and k belongs to D {1,2,3}; omega k (T) is a task sequence set of the wharf device k in a time period T, and tau belongs to omega k (T); i represents a load state; mu.s k,τ Indicating whether the task tau is executed by the device k in the scheduling period; alpha is alpha k,τ,i Representing the average energy consumption of the unit working distance of the harbor working equipment k for executing the task tau under the loading state i; p is a radical of formula k,τ Representing the current position of the port working equipment k in the process of executing the completion task tau; ps is τ-1 Represents the starting execution position of task tau-1; pe τ Represents the end execution position of the task tau; g k,i (. Cndot.) represents a working distance function for the device k to perform the task τ in the load state i.
In the present embodiment, the energy consumption amount of the harbor working equipment is determined during the scheduling considering the start execution position, the end position, and the load state at the time of execution of the harbor working equipment.
In some embodiments, referring to fig. 2, the determining the discharge capacity of the energy storage device of the harbor working equipment according to the discharge capacity of the harbor working equipment includes:
s201, respectively obtaining energy conversion loss coefficients and average energy storage of unit working distance of each port operation equipment energy storage device;
s202, determining the discharge capacity of the energy storage device of the harbour construction equipment according to the energy conversion loss coefficient, the average stored energy of the unit working distance, the working task capacity and the energy consumption of the unit working distance.
In this embodiment, the energy stored in the grading energy storage device of each harbor working device is not consistent, the energy conversion rates of the energy storage devices are not the same, and the average energy storage per unit working distance is also different; therefore, the discharge capacity of the energy storage device of a single harbor operation device is determined by combining the energy conversion rate of the energy storage device and the average energy storage of a unit operation distance, and finally, the discharge capacity of the energy storage devices of all harbor operation devices is determined.
It should be noted that, in this embodiment, the discharge capacity of the energy storage device of the harbour operation equipment can be represented by the following formula:
wherein:
the energy conversion loss coefficient of the distributed energy storage device of any equipment; beta is a k,τ,i Storing energy for the unit working distance of the task tau executed by any equipment k in the load state i on average; p is a radical of k,τ Representing the current position of the port working equipment k in the process of executing the completion task tau; ps is τ-1 Represents the starting execution position of task tau-1; pe τ Represents the end execution position of the task tau; g is a radical of formula k,i (. Cndot.) represents a working distance function for the device k to perform the task τ in the load state i.
In some embodiments, the determining the energy storage result of the harbour working equipment according to the difference relationship between the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment comprises:
if the difference relationship is that the sum of the discharge capacity, the wind power generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour working equipment is larger than the energy consumption capacity required by the harbour working equipment, redundant discharge capacity and/or redundant power generation capacity are/is stored in the energy storage device and/or the centralized energy storage system of the harbour working equipment;
and if the difference relationship is that the sum of the discharge capacity of the energy storage device of the harbour working equipment, the wind power generation capacity and the photovoltaic power generation capacity is smaller than the energy consumption required by the harbour working equipment, supplementing the difference electric quantity through a national power grid system to enable the harbour working equipment to normally operate.
In this embodiment, if the difference relationship is that the sum of the discharge capacity, the wind power generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour working equipment is greater than the energy consumption required by the harbour working equipment, the redundant green energy is preferentially charged to the centralized energy storage system, and then the redundant green energy is sold on the internet and meets the maximum energy consumption of the internet; the status data of the various devices and the energy storage system is then updated.
Further, if the difference relationship is that the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic generation capacity of the energy storage device of the harbour operation equipment is larger than the energy consumption required by the harbour operation equipment, which indicates that the wind power and the photovoltaic generation cannot meet the energy consumption of the equipment, the insufficient difference is obtained, and the energy consumption of the harbour system is purchased from a national power grid; otherwise, the port equipment is completely provided with energy by the renewable energy source, the centralized energy storage system and the distributed energy storage system; the status data of the individual devices and the energy storage system are then updated. Therefore, the interaction of port energy sources is realized, and the utilization rate of clean energy sources is improved.
Based on the above multi-stage energy storage type port operation interaction method, an embodiment of the invention further provides a multi-stage energy storage type port operation interaction device 300 accordingly, referring to fig. 3, the multi-stage energy storage type port operation interaction device 300 includes an obtaining module 310, an energy consumption determining module 320, a discharge amount determining module 330, an electric energy generation amount determining module 340, and an energy storage result determining module 350.
The acquiring module 310 is configured to acquire the energy consumption per unit operation distance and the operation task amount of the port operation equipment;
the energy consumption determining module 320 is configured to determine, based on a time period corresponding to a peak electricity price mechanism, an energy consumption amount required by the harbor working equipment according to the unit working distance energy consumption amount and the working task amount;
the discharge amount determining module 330 is configured to determine a discharge amount of the energy storage device of the harbour construction equipment according to a discharge capability of the harbour construction equipment;
the power generation amount determining module 340 is used for determining wind power generation amount and photovoltaic power generation amount according to the environmental information;
and the energy storage result determining module 350 is used for determining an energy storage result of the harbour working equipment according to the difference relationship between the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic generation capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment.
As shown in fig. 4, based on the multi-stage energy storage type port operation interaction method, the invention further provides an electronic device, which may be a mobile terminal, a desktop computer, a notebook, a palm computer, a server, or other computing devices. The electronic device includes a processor 410, a memory 420, and a display 430. Fig. 4 shows only some of the components of the electronic device, but it should be understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead.
The storage 420 may in some embodiments be an internal storage unit of the electronic device, such as a hard disk or a memory of the electronic device. The memory 420 may also be an external storage device of the electronic device in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the electronic device. Further, the memory 420 may also include both internal storage units of the electronic device and external storage devices. The memory 420 is used for storing application software installed in the electronic device and various data, such as program codes for installing the electronic device. The memory 20 may also be used to temporarily store data that has been output or is to be output. In an embodiment, the memory 420 stores a multi-stage energy storage type port operation interaction program 440, and the multi-stage energy storage type port operation interaction program 440 can be executed by the processor 410, so as to implement the multi-stage energy storage type port operation interaction method according to the embodiments of the present application.
The processor 410 may be a Central Processing Unit (CPU), microprocessor or other data Processing chip in some embodiments, and is used to execute program codes stored in the memory 420 or process data, such as executing a multi-stage energy storage type port operation interaction method.
The display 430 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch panel, or the like in some embodiments. The display 430 is used for displaying information of the interactive equipment operated at the multi-stage energy storage type port and displaying a visual user interface. The components 410-430 of the electronic device communicate with each other via a system bus.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A multi-stage energy storage type port operation interaction method is characterized by comprising the following steps:
acquiring the energy consumption and the operation task amount of the unit operation distance of the harbor operation equipment;
determining the energy consumption required by the harbor working equipment according to the unit working distance energy consumption and the working task amount based on the time period corresponding to the peak electricity price mechanism;
determining the discharge capacity of the energy storage device of the harbor working equipment according to the discharge capacity of the harbor working equipment;
determining wind power generation capacity and photovoltaic power generation capacity according to the environmental information;
and determining an energy storage result of the harbour making equipment according to the difference relation among the sum of the discharge capacity, the wind energy generation capacity and the photovoltaic generation capacity of the energy storage device of the harbour making equipment and the energy consumption required by the harbour making equipment.
2. The multi-stage energy storage type port operation interaction method of claim 1, wherein the step of determining the energy consumption amount required by the port operation equipment according to the unit operation distance energy consumption amount and the operation task amount comprises the following steps:
dividing a day into a plurality of time periods according to the peak electricity price mechanism, wherein the plurality of time periods comprise a peak time period, a flat time period, a valley time period and a deep valley time period;
determining the peak energy consumption required by the port operation equipment in the peak time period according to the unit operation distance energy consumption and the operation task amount;
determining the peak energy consumption required by the harbor construction equipment in the peak time period according to the unit operation distance energy consumption and the operation task amount;
determining the flat section energy consumption required by the harbor construction equipment in the flat section time period according to the unit operation distance energy consumption and the operation task amount;
determining the valley energy consumption required by the harbor construction equipment in the valley time period according to the unit operation distance energy consumption and the operation task amount;
determining the deep valley energy consumption required by the harbor construction equipment in the deep valley time period according to the unit operation distance energy consumption and the operation task amount;
and determining the energy consumption required by the harbor working equipment according to the peak energy consumption, the flat section energy consumption, the valley energy consumption and the deep valley energy consumption.
3. The multi-stage energy storage type harbor operation interactive method as claimed in claim 2, wherein the amount of energy consumption required by the harbor working equipments can be expressed by the following formula:
wherein: d represents a port operation equipment set, and k belongs to D {1,2,3}; omega k (T) is a task sequence set of the wharf device k in a time period T, and tau belongs to omega k (T); i represents a load state; mu.s k,τ Indicating whether the task tau is executed by the device k in the scheduling period; alpha is alpha k,τ,i Representing the average energy consumption of the unit working distance of the harbor working equipment k for executing the task tau under the loading state i; p is a radical of k,τ Representing the current position of the port working equipment k in the process of executing the completion task tau; ps τ-1 Represents the starting execution position of task tau-1; pe τ Represents the end execution position of the task tau; g k,i (. Cndot.) represents a working distance function for the device k to perform the task τ in the load state i.
4. The multi-stage energy storage type port operation interaction method of claim 2, wherein the determining the discharge amount of the energy storage device of the harbor working equipment according to the discharge capacity of the harbor working equipment comprises:
respectively acquiring the energy conversion loss coefficient and the average energy storage of unit operation distance of each port operation equipment energy storage device;
and determining the discharge capacity of the energy storage device of the harbor working equipment according to the energy conversion loss coefficient, the average energy storage per unit working distance, the working task capacity and the energy consumption per unit working distance.
5. The multi-stage energy storage type harbor operation interaction method as claimed in claim 4, wherein the discharge capacity of the harbour construction equipment energy storage device can be expressed by the following formula:
wherein:
the energy conversion loss coefficient of the distributed energy storage device of any equipment; beta is a beta k,τ,i Storing energy for the unit working distance of the task tau executed by any equipment k in the load state i on average; p is a radical of k,τ Representing the current position of the harbor working device k in the process of executing the completion task tau; ps is τ-1 Represents the starting execution position of task tau-1; pe τ Represents the end execution position of the task tau; g k,i (. Cndot.) represents a working distance function for the device k to perform the task τ in the load state i.
6. The multi-stage energy storage type port operation interaction method of claim 1, wherein the step of determining the energy storage result of the harbour working equipment according to the difference relation among the sum of the discharge capacity, the wind power generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment comprises the following steps:
if the difference relationship is that the sum of the discharge capacity, the wind power generation capacity and the photovoltaic power generation capacity of the energy storage device of the harbour working equipment is larger than the energy consumption capacity required by the harbour working equipment, redundant discharge capacity and/or redundant power generation capacity are/is stored in the energy storage device and/or the centralized energy storage system of the harbour working equipment;
and if the difference relationship is that the sum of the discharge capacity, the wind energy generating capacity and the photovoltaic generating capacity of the energy storage device of the harbour working equipment is smaller than the energy consumption required by the harbour working equipment, supplementing the difference electric quantity through a national power grid system to enable the harbour working equipment to normally operate.
7. The multi-stage energy storage type port operation interaction method as claimed in claim 1, wherein the wind power generation amount and the photovoltaic power generation amount can be respectively expressed by the following formulas:
wherein the content of the first and second substances,
is the amount of the wind power generation,
is the photovoltaic power generation amount,
is the wind speed forecast data of the time interval; v (t represents the wind speed at the current time t; v out Representing the cut-out wind speed at the current time; v. of N Representing a rated wind speed; v. of in Representing the cut-in wind speed at the current time; p WTN Representing the rated output power of the fan;
is the amount of illumination radiation over the period of time;
is the temperature of the time period; p is PVMax Is a standard condition (T) stc ,G stc ) Maximum power per unit area of the lower photovoltaic array; g stc Represents the incident intensity of sunlight under standard conditions; t is stc Representing the corresponding ambient temperature under standard conditions; m is i The area of the ith panel is represented; k c Indicating the power factor.
8. A multi-stage energy storage type port operation interaction device is characterized by comprising:
the acquisition module is used for acquiring the energy consumption and the operation task amount of the unit operation distance of the harbor operation equipment;
the energy consumption determining module is used for determining the energy consumption required by the harbor working equipment according to the unit working distance energy consumption and the working task amount based on the time period corresponding to the peak electricity price mechanism;
the discharge capacity determining module is used for determining the discharge capacity of the energy storage device of the harbor working equipment according to the discharge capacity of the harbor working equipment;
the generating capacity determining module is used for determining the wind generating capacity and the photovoltaic generating capacity according to the environmental information;
and the energy storage result determining module is used for determining the energy storage result of the harbour working equipment according to the difference relation among the sum of the discharge capacity, the wind energy generating capacity and the photovoltaic generating capacity of the energy storage device of the harbour working equipment and the energy consumption required by the harbour working equipment.
9. An electronic device, comprising: a processor and a memory;
the memory has stored thereon a computer readable program executable by the processor;
the processor, when executing the computer readable program, implements the steps in the multi-stage energy storage harbor operation interaction method as claimed in claims 1-7.
10. A computer-readable storage medium storing one or more programs, wherein the one or more programs are executable by one or more processors to implement the steps of the multi-stage energy storage type port operation interaction method as claimed in claims 1 to 7.
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