CN112260270A - Intelligent and orderly port shore power supply control method and system - Google Patents
Intelligent and orderly port shore power supply control method and system Download PDFInfo
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- CN112260270A CN112260270A CN202011050184.4A CN202011050184A CN112260270A CN 112260270 A CN112260270 A CN 112260270A CN 202011050184 A CN202011050184 A CN 202011050184A CN 112260270 A CN112260270 A CN 112260270A
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
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Abstract
The invention discloses an intelligent and orderly power supply control method and system for port shore power, wherein the method comprises the following steps: providing options whether to accept ordered power supply management for shore power piles supplying power to ships; if the ordered power supply management is selected to be received, the corresponding shore power piles are ordered shore power piles, and the power consumption power is preferentially distributed; if the disordered power supply management is selected to be accepted, the corresponding shore power piles are conventional shore power piles, and the input quantity of the conventional shore power piles is determined according to the power remaining after the electric power for the ordered shore power piles is distributed; and acquiring available distribution power information of the port, and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port. The invention can ensure the normal operation power consumption requirement of the port and the wharf and ensure the normal power consumption requirement of ships berthing at the port.
Description
Technical Field
The invention relates to the technical field of port shore power, in particular to an intelligent and orderly power supply control method and system for port shore power.
Background
At present, ships in inland rivers and sea areas are all traditional fuel oil power ships nationwide, and the ships have the defects of high noise, tail gas emission pollution, low fuel oil economy, poor passenger experience comfort level and the like when berthing at a port. In recent years, port shore power supply technology is rapidly developed in China, research on shore power systems is actively carried out by various port terminals and shipping companies, and port shore power construction is increasing. Along with the construction of a large-scale shore power system, the capacity increase of a port transformer substation is a problem to be solved urgently next, and due to the fact that the current port power distribution capacity is limited, the power grid and the power supply facilities of the port and the wharf are affected insignificantly along with the increase of shore power supplies. The large-scale access of shore power facilities and the popularization of port shore power are not facilitated due to the limitation of quayside and the expensive cost brought by capacity expansion transformation.
How to balance the port power load while meeting the ship power demand, reduce the impact of the unordered ship power supply on the power grid, and reduce the unnecessary increase of the port and wharf power distribution capacity is a technical difficulty to be solved by researchers in the field.
Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide an intelligent and orderly power supply control method and system for port shore power, which can ensure normal power consumption requirements of both port and dock and port berthing vessels.
In a first aspect, an embodiment of the present invention provides an intelligent and orderly power supply control method for a port shore power, including:
a shore power stake that powers a vessel provides an option of accepting orderly power management.
And if the ordered power supply management is selected to be accepted, the corresponding shore power piles are ordered shore power piles, and the power consumption power is preferentially distributed.
And if the disordered power supply management is selected to be received, the corresponding shore power piles are conventional shore power piles, and the input quantity of the conventional shore power piles is determined according to the power remaining after the electric power for the ordered shore power piles is distributed.
And acquiring available distribution power information of the port, and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where, if the selected to receive the ordered power supply management, the corresponding shore power stake is an ordered shore power stake, and preferentially allocates the power consumption, including:
calculating the total available shore power P distributed by the port power grid dispatching system, wherein the calculation method is that P is PT-PL，j＝∑Pf+∑PcIn which P isTFor the total power of the distribution transformer in port, PL，jTotal power of electricity used at port j moment, PfOutput power, P, allocated to each of the ordered shore pilescRated power for each conventional shore power pile;
judging sum sigma P of total available shore power P distributed by port power grid dispatching system and rated power of all ordered shore power pilesaTo the corresponding ordered shore power piles, where P is the calculated output poweraThe rated power of the ordered shore electric pile is equal to or less than sigma PaThen, then
If P > ΣPa，Pf＝Pa。
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where, if the disordered power supply management is selected to be accepted, the corresponding shore power piles are conventional shore power piles, and the input number of the conventional shore power piles is determined according to the power remaining after the ordered shore power piles use the electric power, including:
and queuing to the ordered shore power piles for distributing the electric power.
Determining the input number m of the conventional shore power piles according to the residual power after the electric power for the ordered shore power piles is distributed and the output power of each conventional shore power pile, wherein the calculation formula is
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the obtaining of the available distribution power information of the port and adjusting the power consumption of the ordered shoring piles and the regular shoring piles according to the total load of the port includes:
judging whether enough shore power available distribution power meets the rated power operation of the ordered shore power piles, wherein the judgment formula is
And K is the minimum power supply power coefficient of the shore power pile, and the value range is 0.2-0.6.
If enough shore power available distribution power meets the rated power operation of the ordered shore power piles, judging whether the distributed shore power available distribution power exceeds a reasonable range or not, wherein the judgment formula is
And if the power is not beyond the reasonable range, outputting power to the ordered shore power piles and the conventional shore power piles, otherwise, not executing operation.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where after the power utilization of the ship is completed, the shore power pile stops supplying power to the ship.
In a second aspect, an embodiment of the present invention further provides an intelligent and orderly power supply control system for a port shore power, including:
the selection module is used for providing options of whether to accept ordered power supply management for the shore power piles for supplying power to the ship.
And the ordered power supply control module is used for preferentially distributing the power consumption power to the selected ordered power supply management, and the corresponding shore power piles are ordered shore power piles.
And the unordered power supply control module is used for determining the input quantity of the conventional shore power piles according to the residual power after the ordered shore power piles are distributed for receiving unordered power supply management, and the corresponding shore power piles are the conventional shore power piles.
And the power dispatching module is used for acquiring the available distribution power information of the port and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port.
With reference to the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, where the ordered power supply control module includes:
the available total power calculating unit is used for calculating the shore power available total power P distributed by the port power grid dispatching system, and the calculating method is P ═ PT-PL，j＝∑Pf+∑PcIn which P isTFor the total power of the distribution transformer in port, PL，jTotal power of electricity used at port j moment, PfOutput power, P, allocated to each of the ordered shore pilescRated power for each conventional shore power pile;
the orderly shore power pile output unit is used for judging the sum sigma P of the total available shore power P distributed by the port power grid dispatching system and the rated power of all orderly shore power pilesaTo the corresponding ordered shore power piles, where P is the calculated output poweraThe rated power of the ordered shore electric pile is equal to or less than sigma PaThen, then
If P > ΣPa，Pf＝Pa。
With reference to the second aspect, an embodiment of the present invention provides a second possible implementation manner of the second aspect, where the disordered power supply control module includes:
and the available power calculation unit is used for queuing the electric power for the allocation of the ordered shore power piles and calculating the power left after the ordered shore power piles output power.
The disordered shore power pile output unit is used for determining the input quantity m of the conventional shore power piles according to the power remaining after the electric power for the ordered shore power piles is distributed and the output power of each conventional shore power pile, and the calculation formula is
With reference to the second aspect, an embodiment of the present invention provides a third possible implementation manner of the second aspect, where the power scheduling module includes:
the regular shore power pile rated judging unit is used for judging whether enough shore power available distribution power meets the requirement of regular shore power pile rated power operation or not, and the judging formula is
And K is the minimum power supply power coefficient of the shore power pile, and the value range is 0.2-0.6.
A load judgment unit for judging whether the distributed shore power available distribution power exceeds a reasonable range, and the judgment formula is
And if the power is not beyond the reasonable range, outputting power to the ordered shore power piles and the conventional shore power piles, otherwise, not executing operation.
With reference to the second aspect, an embodiment of the present invention provides a fourth possible implementation manner of the second aspect, and further includes a power outage control module, where the power outage control module is configured to stop supplying power to the ship through the shore power piles after the ship completes power utilization.
The embodiment of the invention has the beneficial effects that:
the intelligent and orderly power supply control method and system for the port shore power can rapidly acquire ship power utilization information in real time, issue an output power adjustment instruction to a ship side according to the real-time state of a port power grid and the power utilization requirement of a ship, intelligently regulate and control the information of port power utilization load and the like, and realize the functions of power supply starting, stopping, power regulation and the like.
The invention realizes the ordered power supply control of the ship under the condition of meeting the requirement of insufficient distribution capacity of the port and the wharf, ensures the ordered interaction with a power grid, reduces the impact of unordered power consumption on the power grid, reduces the unnecessary increase of the distribution capacity of the port and the wharf, meets the power consumption requirement of the ship and balances the peak-valley load of the power consumption of the port.
The invention does not need to expand the capacity of the distribution equipment to meet the increase of the charging load, but realizes the orderly power utilization of the ship through the information system and the load characteristic management control, thereby realizing the peak clipping and valley filling of the port power grid, realizing the peak shifting power supply, weakening the load fluctuation of the power grid, reducing the energy loss of the power grid, reducing the investment of the power supply and the power grid, and improving the reliability and the economic benefit of the power distribution network.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
The intelligent and orderly power supply control method and system for the shore power of the port of the invention are further described in detail with reference to the accompanying drawings and the specific implementation modes.
FIG. 1 is a flow chart of the intelligent and orderly power supply control method for the shore power of the port;
FIG. 2 is a logic diagram of the intelligent and orderly power supply control method for the shore power of the port;
FIG. 3 is a schematic diagram of a network framework of the intelligent and orderly power supply control system for the shore power of the port;
fig. 4 is a schematic view of the communication relationship of the intelligent and ordered port shore power supply control system of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 2, a first embodiment of the present invention provides an intelligent and orderly power supply control method for a port shore power, including:
a shore power stake that powers a vessel provides an option of accepting orderly power management.
And if the ordered power supply management is selected to be accepted, the corresponding shore power piles are ordered shore power piles, and the power consumption power is preferentially distributed.
And if the disordered power supply management is selected to be received, the corresponding shore power piles are conventional shore power piles, and the input quantity of the conventional shore power piles is determined according to the power remaining after the electric power for the ordered shore power piles is distributed.
And acquiring available distribution power information of the port, and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where, if the selected to receive the ordered power supply management, the corresponding shore power stake is an ordered shore power stake, and preferentially allocates the power consumption, including:
calculating the total available shore power P distributed by the port power grid dispatching system, wherein the calculation method is that P is PT-PL，j＝∑Pf+∑PcIn which P isTFor the total power of the distribution transformer in port, PL，jTotal power of electricity used at port j moment, PfOutput power, P, allocated to each of the ordered shore pilescFor each conventional bankRated power of the electric pile;
judging sum sigma P of total available shore power P distributed by port power grid dispatching system and rated power of all ordered shore power pilesaTo the corresponding ordered shore power piles, where P is the calculated output poweraThe rated power of the ordered shore electric pile is equal to or less than sigma PaThen, then
If P > ΣPa，Pf＝Pa。
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where, if the disordered power supply management is selected to be accepted, the corresponding shore power piles are conventional shore power piles, and the input number of the conventional shore power piles is determined according to the power remaining after the ordered shore power piles use the electric power, including:
and queuing to the ordered shore power piles for distributing the electric power.
Determining the input number m of the conventional shore power piles according to the residual power after the electric power for the ordered shore power piles is distributed and the output power of each conventional shore power pile, wherein the calculation formula is
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the obtaining of the available distribution power information of the port and adjusting the power consumption of the ordered shoring piles and the regular shoring piles according to the total load of the port includes:
judging whether enough shore power available distribution power meets the rated power operation of the ordered shore power piles, wherein the judgment formula is
And K is the minimum power supply power coefficient of the shore power pile, and the value range is 0.2-0.6.
If enough shore power available distribution power meets the requirement of the rated power operation of the ordered shore power piles, whether the distributed shore power available distribution power exceeds the rated power or not is judgedWithin a certain range, the judgment formula is
And if the power is not beyond the reasonable range, outputting power to the ordered shore power piles and the conventional shore power piles, otherwise, not executing operation.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where after the power utilization of the ship is completed, the shore power pile stops supplying power to the ship.
Referring to fig. 3 to 4, a second embodiment of the present invention provides an intelligent and orderly power supply control system for a port shore power, including:
the selection module is used for providing options of whether to accept ordered power supply management for the shore power piles for supplying power to the ship.
The user selects a power supply mode by scanning the two-dimensional code of the corresponding shore power pile through mobile phone app.
The selection module presents to the user through app, the operation made by the user launches ordered power supply application to the shore power cloud platform and the shore power pile through 4G, 5G or Bluetooth signals, the shore power cloud platform generates a power supply meter and transmits the power supply meter to the module and the app corresponding to the system, and start-stop control and power regulation are implemented corresponding to the shore power pile.
And the ordered power supply control module is used for preferentially distributing the power consumption power to the selected ordered power supply management, and the corresponding shore power piles are ordered shore power piles.
And the unordered power supply control module is used for determining the input quantity of the conventional shore power piles according to the residual power after the ordered shore power piles are distributed for receiving unordered power supply management, and the corresponding shore power piles are the conventional shore power piles.
And the power dispatching module is used for acquiring the available distribution power information of the port and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port.
With reference to the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, where the ordered power supply control module includes:
the available total power calculating unit is used for calculating the shore power available total power P distributed by the port power grid dispatching system, and the calculating method is P ═ PT-PL，j＝∑Pf+∑PcIn which P isTFor the total power of the distribution transformer in port, PL，jTotal power of electricity used at port j moment, PfOutput power, P, allocated to each of the ordered shore pilescThe rated power of each conventional shore power pole.
The orderly shore power pile output unit is used for judging the sum sigma P of the total available shore power P distributed by the port power grid dispatching system and the rated power of all orderly shore power pilesaTo the corresponding ordered shore power piles, where P is the calculated output poweraThe rated power of the ordered shore electric pile is equal to or less than sigma PaThen, then
If P > ΣPa，Pf＝Pa。
With reference to the second aspect, an embodiment of the present invention provides a second possible implementation manner of the second aspect, where the disordered power supply control module includes:
and the available power calculation unit is used for queuing the electric power for the allocation of the ordered shore power piles and calculating the power left after the ordered shore power piles output power.
The disordered shore power pile output unit is used for determining the input quantity m of the conventional shore power piles according to the power remaining after the electric power for the ordered shore power piles is distributed and the output power of each conventional shore power pile, and the calculation formula is
With reference to the second aspect, an embodiment of the present invention provides a third possible implementation manner of the second aspect, where the power scheduling module includes:
the rated judgment unit of the ordered shore power piles is used for judging whether enough shore power available distribution power meets the rated shore power pilesOperating at constant power and judging by the formula
And K is the minimum power supply power coefficient of the shore power pile, and the value range is 0.2-0.6.
A load judgment unit for judging whether the distributed shore power available distribution power exceeds a reasonable range, and the judgment formula is
And if the power is not beyond the reasonable range, outputting power to the ordered shore power piles and the conventional shore power piles, otherwise, not executing operation.
The shore power control method comprises the steps that in the process of supplying power to a ship, an ordered power supply control module and a power dispatching module are in periodic communication, the available distribution capacity information of a port is obtained, when the load of the port rises, the allowable load of the shore power is reduced, if the available distribution power of the shore power exceeds a reasonable range, a command is sent to the ordered shore power pile and a conventional shore power pile, the power load of the ship is cut off, and the total load of the port is controlled to be kept in a safe area.
With reference to the second aspect, an embodiment of the present invention provides a fourth possible implementation manner of the second aspect, and further includes a power outage control module, where the power outage control module is configured to stop supplying power to the ship through the shore power piles after the ship completes power utilization.
Wherein, after the power consumption was accomplished, the user passed through APP application power consumption and is ended, and the cloud platform sends the shut down command, and the bank electricity stake stops the power supply, and the cloud platform is with power consumption information and bill propelling movement for user APP.
The embodiment of the invention aims to protect an intelligent and orderly power supply control method and system for port shore power, and the method and system have the following effects:
1. the intelligent and orderly power supply control method and system for the port shore power can rapidly acquire ship power utilization information in real time, issue an output power adjustment instruction to a ship side according to the real-time state of a port power grid and the power utilization requirement of a ship, intelligently regulate and control the information of port power utilization load and the like, and realize the functions of power supply starting, stopping, power regulation and the like.
2. The invention realizes the ordered power supply control of the ship under the condition of meeting the requirement of insufficient distribution capacity of the port and the wharf, ensures the ordered interaction with a power grid, reduces the impact of unordered power consumption on the power grid, reduces the unnecessary increase of the distribution capacity of the port and the wharf, meets the power consumption requirement of the ship and balances the peak-valley load of the power consumption of the port.
3. The invention does not need to expand the capacity of the distribution equipment to meet the increase of the charging load, but realizes the orderly power utilization of the ship through the information system and the load characteristic management control, thereby realizing the peak clipping and valley filling of the port power grid, realizing the peak shifting power supply, weakening the load fluctuation of the power grid, reducing the energy loss of the power grid, reducing the investment of the power supply and the power grid, and improving the reliability and the economic benefit of the power distribution network.
The computer program product of the intelligent and orderly power supply control method and system for the port shore power, provided by the embodiments of the present invention, includes a computer readable storage medium storing program codes, instructions included in the program codes may be used to execute the method in the foregoing method embodiments, and specific implementation may refer to the method embodiments, and will not be described herein again.
Specifically, the storage medium can be a general storage medium, such as a mobile disk, a hard disk, and the like, and when a computer program on the storage medium is executed, the intelligent and ordered power supply control method for the port shore power can be executed, so that the normal operation power demand of the port and the wharf can be ensured, and the normal power demand of ships berthing at the port can also be ensured.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An intelligent and orderly power supply control method for port shore power is characterized by comprising the following steps:
providing options whether to accept ordered power supply management for shore power piles supplying power to ships;
if the ordered power supply management is selected to be received, the corresponding shore power piles are ordered shore power piles, and the power consumption power is preferentially distributed;
if the disordered power supply management is selected to be accepted, the corresponding shore power piles are conventional shore power piles, and the input quantity of the conventional shore power piles is determined according to the power remaining after the electric power for the ordered shore power piles is distributed;
and acquiring available distribution power information of the port, and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port.
2. The intelligent and orderly power supply control method for the port shore power as claimed in claim 1, wherein if the ordered power supply management is selected to be accepted, the corresponding shore power piles are ordered shore power piles, and the power consumption is preferentially distributed, comprising:
calculating the total available shore power P distributed by the port power grid dispatching system, wherein the calculation method is that P is PT-PL，j＝∑Pf+∑PcIn which P isTFor the total power of the distribution transformer in port, PL，jTotal power of electricity used at port j moment, PfOutput power, P, allocated to each of the ordered shore pilescRated power for each conventional shore power pile;
judging sum sigma P of total available shore power P distributed by port power grid dispatching system and rated power of all ordered shore power pilesaTo the corresponding ordered shore power piles, where P is the calculated output poweraThe rated power of the ordered shore electric pile is equal to or less than sigma PaThen, then
If P > ΣPa，Pf＝Pa。
3. The intelligent and orderly power supply control method for the shore power of the port as claimed in claim 2, wherein if the disordered power supply management is selected, the corresponding shore power piles are conventional shore power piles, and the input quantity of the conventional shore power piles is determined according to the power remaining after the electric power for the orderly shore power piles is distributed, and the method comprises the following steps:
queuing to allocate the electric power for the ordered shore power piles;
determining the input number m of the conventional shore power piles according to the residual power after the electric power for the ordered shore power piles is distributed and the output power of each conventional shore power pile, wherein the calculation formula is
4. The intelligent and orderly power supply control method for the port shore power as claimed in claim 3, wherein the step of obtaining the available distribution power information of the port and adjusting the power consumption of the orderly shore power piles and the conventional shore power piles according to the total load of the port comprises the following steps:
judging whether enough shore power available distribution power meets the rated power operation of the ordered shore power piles, wherein the judgment formula is
K is the minimum power supply power coefficient of the shore power pile, and the value range is 0.2-0.6;
if enough shore power available distribution power meets the rated power operation of the ordered shore power piles, judging whether the distributed shore power available distribution power exceeds a reasonable range or not, wherein the judgment formula is
And if the power is not beyond the reasonable range, outputting power to the ordered shore power piles and the conventional shore power piles, otherwise, not executing operation.
5. The intelligent and orderly power supply control method for the shore power of the port as claimed in claim 1, wherein the shore power piles stop supplying power to the ship after the ship is completely powered.
6. An intelligent and orderly power supply control system of port shore power, which applies the intelligent and orderly power supply control method of port shore power according to any one of claims 1 to 5, and is characterized by comprising:
the selection module is used for providing options of receiving ordered power supply management for shore power piles supplying power to ships;
the ordered power supply control module is used for preferentially distributing the power consumption power to the selected ordered power supply management, and the corresponding shore power piles are ordered shore power piles;
the disordered power supply control module is used for determining the input quantity of the conventional shore power piles according to the residual power after the disordered power supply management is selected and accepted and the electric power for the ordered shore power piles is distributed, and the corresponding shore power piles are the conventional shore power piles;
and the power dispatching module is used for acquiring the available distribution power information of the port and adjusting the power consumption of the ordered shore power piles and the conventional shore power piles according to the total load of the port.
7. The intelligent and orderly power supply control system for harbor shore power as claimed in claim 6, wherein said orderly power supply control module comprises:
the available total power calculating unit is used for calculating the shore power available total power P distributed by the port power grid dispatching system, and the calculating method is P ═ PT-PL，j＝∑Pf+∑PcIn which P isTFor the total power of the distribution transformer in port, PL，jTotal power of electricity used at port j moment, PfOutput power, P, allocated to each of the ordered shore pilescRated power for each conventional shore power pile;
the orderly shore power pile output unit is used for judging the sum sigma P of the total available shore power P distributed by the port power grid dispatching system and the rated power of all orderly shore power pilesaTo the corresponding ordered shore power piles, where P is the calculated output poweraThe rated power of the ordered shore electric pile is equal to or less than sigma PaThen, then
If P > ΣPa，Pf＝Pa。
8. The intelligent and orderly port shore power supply control system according to claim 7, wherein said unordered power supply control module comprises:
the available power calculation unit is used for queuing electric power for allocation of the ordered shore power piles and calculating the power left after the ordered shore power piles output power;
the disordered shore power pile output unit is used for determining the input quantity m of the conventional shore power piles according to the power remaining after the electric power for the ordered shore power piles is distributed and the output power of each conventional shore power pile, and the calculation formula is
9. The intelligent and ordered port shore power supply control system as claimed in claim 8, wherein said power scheduling module comprises:
the regular shore power pile rated judging unit is used for judging whether enough shore power available distribution power meets the requirement of regular shore power pile rated power operation or not, and the judging formula is
K is the minimum power supply power coefficient of the shore power pile, and the value range is 0.2-0.6;
a load judgment unit for judging whether the distributed shore power available distribution power exceeds a reasonable range, and the judgment formula is
And if the power is not beyond the reasonable range, outputting power to the ordered shore power piles and the conventional shore power piles, otherwise, not executing operation.
10. The intelligent and orderly power supply control system for the shore power of the port as claimed in claim 6, further comprising a power-off control module for stopping the shore power piles from supplying power to the ship after the ship is powered up.
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| CN202011050184.4A CN112260270A (en) | 2020-09-29 | 2020-09-29 | Intelligent and orderly port shore power supply control method and system |
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Cited By (2)
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