CN114169729A - Ordered charging management method for electric automobile - Google Patents
Ordered charging management method for electric automobile Download PDFInfo
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- CN114169729A CN114169729A CN202111444311.3A CN202111444311A CN114169729A CN 114169729 A CN114169729 A CN 114169729A CN 202111444311 A CN202111444311 A CN 202111444311A CN 114169729 A CN114169729 A CN 114169729A
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- 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
- G06Q10/00—Administration; Management
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- G06Q10/06315—Needs-based resource requirements planning or analysis
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- 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—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
The invention discloses an orderly charging management method for an electric automobile, which comprises the following steps: (1) installing a plug-and-play unit at the side of the charging pile to realize protocol conversion, communication interface conversion, model establishment and the realization of a plug-and-play mechanism; (2) the intelligent distribution transformer terminal is used as a charging pile ordered charging management decision center, and is accessed to the charging pile through a plug-and-play unit; (3) the intelligent distribution transformer terminal comprehensively analyzes the charging requirement, the distribution transformer capacity and the load operation data of a user, and combines a car networking platform control model to formulate a platform area ordered charging management strategy and send the strategy to a plug-and-play communication unit; (4) the plug-and-play communication unit is responsible for receiving the ordered charging plan issued by the intelligent distribution transformer terminal and achieving ordered charging management of the electric automobile charging pile. The invention can guide the active charging behavior of the electric automobile, realize the ordered charging management and coordination control of the electric automobile and carry out the forced load reduction measure when necessary.
Description
Technical Field
The invention relates to the technical field of regulation and control of charging behaviors of electric automobiles, in particular to an orderly charging management method for electric automobiles.
Background
The development of electric vehicles is an important measure for implementing energy safety strategies, air pollution prevention and control, energy conservation and emission reduction policies and realizing comprehensive transformation of traffic energy. With the gradual large-scale popularization and application of electric vehicles, the load level of a power system is inevitably increased by large-scale charging and discharging of the electric vehicles, particularly the random and disordered charging and discharging of the large-scale electric vehicles, the load level of the power system in a special period is greatly influenced, great harm is brought to the safe and stable operation of the power system, and voltage drop, branch capacity mismatching and the like existing in a local power grid are aggravated. Meanwhile, the electric automobile has the dual attributes of controllable load and an energy storage unit, the mobile energy storage characteristic of the electric automobile is fully exerted, the intelligent and interactive development of energy supply and exchange is powerfully promoted, clean substitution is realized by pushing on the supply side, electric energy substitution is realized by pushing on the user side, and the innovative development of energy service is accelerated.
The charging of the electric automobile is guided in order, the utilization rate of power grid equipment can be maximized, and the load peak-valley difference is reduced. Meanwhile, the electric quantity of a power battery of the electric automobile can provide energy storage for a power grid, and the electric automobile is used for peak regulation, frequency modulation, demand response, green electricity transaction, emergency standby and the like, and can boost the power grid to operate cleanly in a stage that the electric automobile is not developed in a large scale, so that the corresponding technical and application problems are broken through, and the electric automobile has important strategic value for the development of the electric automobile in the future.
Disclosure of Invention
The invention aims to provide an orderly charging management method for an electric automobile, which can guide the initiative charging behavior of the electric automobile, realize orderly charging management and coordination control of the electric automobile and perform forced load reduction measures when necessary.
In order to solve the technical problem, the invention provides an orderly charging management method for an electric vehicle, which comprises the following steps:
(1) installing a plug-and-play unit at the side of the charging pile to realize protocol conversion, communication interface conversion, model establishment and the realization of a plug-and-play mechanism;
(2) the intelligent distribution transformer terminal is used as a charging pile ordered charging management decision center, and is accessed to the charging pile through a plug-and-play unit;
(3) the intelligent distribution transformer terminal comprehensively analyzes the charging requirement, the distribution transformer capacity and the load operation data of a user, and combines a car networking platform control model to formulate a platform area ordered charging management strategy and send the strategy to a plug-and-play communication unit;
(4) the plug-and-play communication unit is responsible for receiving the ordered charging plan issued by the intelligent distribution transformer terminal and achieving ordered charging management of the electric automobile charging pile.
Preferably, in the step (1), a plug-and-play communication unit is installed on the side of the charging pile, the original charging pile is accessed to the platform area fusion terminal based on broadband carrier and low-voltage internet of things technology, real-time monitoring on the charging pile is achieved, real-time charging power of the gun body is obtained, and output power of the charging pile is controlled in order.
Preferably, in the step (3), the intelligent distribution transformer terminal formulates a distribution area ordered charging management strategy, predicts a distribution transformer load before the day, calculates available charging power of the distribution transformer in each time interval in advance by combining the distribution area electric vehicle charging demand load, and generates a distribution area charging load plan before the day; the charging pile ordered charging resource distribution is managed through the Internet of vehicles system, and partial charging load is adjusted or interrupted when the safe operation threshold value of the distribution transformer is exceeded.
Preferably, in the step (3), when the intelligent distribution and transformation terminal formulates the platform area ordered charging management strategy, the ordered charging control strategy is based on the consideration that the household alternating-current charging piles are all single-phase access, the ordered charging control strategy aims at load optimization and charging pile scheduling of the distribution and transformation single phase, the distribution and transformation three phases adopt the same control strategy, and the three phases are independently optimized and do not influence each other.
Preferably, in the step (4), the orderly charging management of the charging pile of the electric automobile further comprises that when the intelligent distribution transformer terminal measures that the transformer load rate and the line load rate in the region exceed 95% (can be set), the intelligent distribution transformer terminal sends an instruction to the internet of vehicles to perform the forced load reduction operation, and informs the cloud master station, and the internet of vehicles performs the forced load reduction operation on the charging pile.
The invention has the beneficial effects that: according to the ordered charging strategy of the electric automobile, the Internet of vehicles obtains an oriented charging pile thermodynamic diagram, a position diagram and a charging efficiency diagram from an intelligent distribution transformer terminal, provides information such as available positions of the charging piles, charging efficiency, queuing conditions and the like for electric automobile users, plans the charging positions and time intervals for the users intelligently, and guides the electric automobile to select the charging piles conveniently and quickly; simultaneously, through the charging load optimization strategy, stagger the charging time of individual charging stake and resident's life power consumption peak period, stagger the charging period of the inside electric pile of filling of enterprise and enterprise production peak load, avoid charging peak load and the stack of life production peak load, make full use of night off-peak period charges, improve electric wire netting off-peak load, increase the consumption of clean energy, energy-conservation loss reduction.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a schematic diagram of the service operation of the present invention.
Detailed Description
As shown in fig. 1, an orderly charging management method for an electric vehicle includes the following steps:
(1) installing a plug-and-play unit at the side of the charging pile to realize protocol conversion, communication interface conversion, model establishment and the realization of a plug-and-play mechanism;
(2) the intelligent distribution transformer terminal is used as a charging pile ordered charging management decision center, and is accessed to the charging pile through a plug-and-play unit;
(3) the intelligent distribution transformer terminal comprehensively analyzes the charging requirement, the distribution transformer capacity and the load operation data of a user, and combines a car networking platform control model to formulate a platform area ordered charging management strategy and send the strategy to a plug-and-play communication unit;
(4) the plug-and-play communication unit is responsible for receiving the ordered charging plan issued by the intelligent distribution transformer terminal and achieving ordered charging management of the electric automobile charging pile.
The intelligent distribution transformer terminal formulates a distribution area ordered charging management strategy, predicts the distribution transformer load before the day, and calculates the available charging power of the distribution transformer at each time interval in advance by combining the charging demand load of the electric automobile of the distribution area, so as to generate a distribution area charging load plan before the day; the charging pile ordered charging resource distribution is managed through the Internet of vehicles system, and partial charging load is adjusted or interrupted when the safe operation threshold value of the distribution transformer is exceeded.
When the intelligent distribution transformer terminal formulates a platform area ordered charging management strategy, based on the consideration that household alternating-current charging piles are single-phase access, the ordered charging control strategy is load optimization and charging pile scheduling aiming at a distribution transformer single phase, distribution transformer three phases adopt the same control strategy, and the three phases are independently optimized and do not influence each other.
The orderly charging management of the electric automobile charging pile further comprises the step that when the intelligent distribution transformer terminal measures and calculates that the transformer load rate and the line load rate in the region exceed 95% (can be set), the intelligent distribution transformer terminal sends an instruction to the Internet of vehicles to carry out forced load reduction operation and informs the cloud master station, and the Internet of vehicles carries out forced load reduction operation on the charging pile.
Fig. 2 is a schematic diagram of the service operation of the present invention. Wherein:
the integration terminal is connected with a charging pile: a plug-and-play communication unit is arranged on the side of the charging pile, so that the original charging pile main control equipment is accessed to a platform area fusion terminal based on broadband carrier and low-voltage Internet of things technology. The realization is to filling electric pile real-time supervision, obtains specifically to the real-time charging power of the rifle body, can carry out orderly control to filling electric pile output power simultaneously.
Cloud master station-edge device: the cloud master station acquires real-time load data and charging pile group charging data from the fusion terminal and generates a charging pile thermodynamic diagram, a charging pile position diagram and a charging efficiency diagram by combining position information. The cloud master station sets active and reactive management requirements of the medium-voltage distribution network, and makes a plurality of platform area load control strategies and sends the strategies to the fusion terminal.
Cloud master station-car networking: and the power distribution cloud master station performs information interaction with the Internet of vehicles platform through the network security isolation assembly. The charging demand of a charging facility is received, and data such as loads, distributed power supplies and suggested strategies of the low-voltage distribution network are sent to the Internet of vehicles to support the Internet of vehicles to form an ordered charging and discharging strategy.
The intelligent distribution transformer terminal predicts the day-ahead distribution transformer load, and calculates the available charging power of the distribution transformer in each time interval in advance by combining the charging demand load of the electric automobile in the distribution transformer area, so as to generate the day-ahead charging load plan of the distribution transformer area. The charging pile ordered charging resource distribution is managed through the Internet of vehicles system, and partial charging load is adjusted or interrupted when the safe operation threshold value of the distribution transformer is exceeded.
Based on the consideration that the household alternating-current charging piles are single-phase access, the ordered charging control strategy is load optimization and charging pile scheduling aiming at the distribution transformer single phase, the distribution transformer three phases adopt the same control strategy, and the three phases are independently optimized and do not influence each other.
The charging load optimization strategy is based on the distribution transformer load prediction before the distribution transformer area day, meets the distribution transformer power limit and the distribution transformer area electric automobile charging requirement, and obtains the distribution transformer area day-ahead charging load plan based on the load optimization requirement.
The distribution transformer load optimization strategy is to distribute the total energy required by the electric automobile to a load curve in a time dimension according to the total energy required by the electric automobile and the height change of a power grid basic load curve, so that the total load curve of the electric automobile in the distribution transformer is relatively straight and stable after being charged. And meanwhile, according to the SOC state of the user electric vehicle and the daily load characteristics of the power grid, a recommended charging day and a recommended charging area are given.
Claims (5)
1. An orderly charging management method for an electric automobile is characterized by comprising the following steps:
(1) installing a plug-and-play unit at the side of the charging pile to realize protocol conversion, communication interface conversion, model establishment and the realization of a plug-and-play mechanism;
(2) the intelligent distribution transformer terminal is used as a charging pile ordered charging management decision center, and is accessed to the charging pile through a plug-and-play unit;
(3) the intelligent distribution transformer terminal comprehensively analyzes the charging requirement, the distribution transformer capacity and the load operation data of a user, and combines a car networking platform control model to formulate a platform area ordered charging management strategy and send the strategy to a plug-and-play communication unit;
(4) the plug-and-play communication unit is responsible for receiving the ordered charging plan issued by the intelligent distribution transformer terminal and achieving ordered charging management of the electric automobile charging pile.
2. The ordered charging management method for the electric automobile according to claim 1, characterized in that in the step (1), a plug-and-play communication unit is installed on the side of the charging pile, the original charging pile is connected to a platform area fusion terminal based on broadband carrier and low-voltage internet of things technology, real-time monitoring of the charging pile is realized, real-time charging power to a gun body is obtained, and output power of the charging pile is controlled in order.
3. The ordered charging management method for the electric vehicles according to claim 1, wherein in the step (3), the intelligent distribution transformer terminal formulates a distribution area ordered charging management strategy, predicts a distribution transformer load in the day ahead, and calculates available charging power of the distribution transformer in each time interval in advance by combining with a distribution area electric vehicle charging demand load to generate a distribution area day ahead charging load plan; the charging pile ordered charging resource distribution is managed through the Internet of vehicles system, and partial charging load is adjusted or interrupted when the safe operation threshold value of the distribution transformer is exceeded.
4. The ordered charging management method for the electric vehicle as claimed in claim 1, wherein in the step (3), when the intelligent distribution transformer terminal establishes the ordered charging management strategy for the distribution area, the ordered charging control strategy is based on the consideration that the household alternating-current charging piles are all single-phase access, the ordered charging control strategy is load optimization and charging pile scheduling for the distribution transformer single phase, the distribution transformer three phases adopt the same control strategy, and the three phases are independently optimized and do not affect each other.
5. The ordered charging management method for the electric vehicle as claimed in claim 1, wherein in the step (4), the ordered charging management for the electric vehicle charging pile further comprises that when the intelligent distribution transformer terminal measures that the transformer load rate and the line load rate in the area exceed 95%, the intelligent distribution transformer terminal sends an instruction to the internet of vehicles to perform a forced load reduction operation, and informs the cloud master station, and the internet of vehicles performs the forced load reduction operation on the charging pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444311.3A CN114169729A (en) | 2021-11-30 | 2021-11-30 | Ordered charging management method for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444311.3A CN114169729A (en) | 2021-11-30 | 2021-11-30 | Ordered charging management method for electric automobile |
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| CN114169729A true CN114169729A (en) | 2022-03-11 |
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| CN202111444311.3A Pending CN114169729A (en) | 2021-11-30 | 2021-11-30 | Ordered charging management method for electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360804A (en) * | 2022-10-17 | 2022-11-18 | 国网浙江慈溪市供电有限公司 | Ordered charging system and ordered charging method |
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- 2021-11-30 CN CN202111444311.3A patent/CN114169729A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360804A (en) * | 2022-10-17 | 2022-11-18 | 国网浙江慈溪市供电有限公司 | Ordered charging system and ordered charging method |
| CN115360804B (en) * | 2022-10-17 | 2023-03-24 | 国网浙江慈溪市供电有限公司 | Ordered charging system and ordered charging method |
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