WO2022193395A1 - Charging-pile-based coordinated charging method under power demand response condition - Google Patents

Charging-pile-based coordinated charging method under power demand response condition Download PDF

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Publication number
WO2022193395A1
WO2022193395A1 PCT/CN2021/088180 CN2021088180W WO2022193395A1 WO 2022193395 A1 WO2022193395 A1 WO 2022193395A1 CN 2021088180 W CN2021088180 W CN 2021088180W WO 2022193395 A1 WO2022193395 A1 WO 2022193395A1
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Prior art keywords
charging
electric vehicle
demand response
time
power
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PCT/CN2021/088180
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French (fr)
Chinese (zh)
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阎俏
李成栋
张桂青
田晨璐
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山东建筑大学
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/63—Monitoring or controlling charging stations in response to network capacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/68—Off-site monitoring or control, e.g. remote control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present disclosure relates to the technical field of electric vehicle charging control, in particular to an orderly charging method based on charging piles under the condition of power demand response.
  • the new energy electric vehicle charging network has great contingency and unpredictability, which will increase the difficulty of power grid control; it will affect the safe, reliable and economical power supply of traditional distribution networks;
  • the existing charging strategy of electric vehicles is mainly the free charging mode.
  • the peak load of the grid will increase, the voltage offset and fluctuation will increase, and the power supply efficiency and economy will decrease.
  • the present disclosure provides an orderly charging method based on charging piles under the condition of power demand response, which satisfies the power demand response, improves the efficiency and economy of power supply of the power grid, and reduces the load of the power grid , reducing the fluctuation of the power grid, improving the safety and stability of the power supply, and playing a good role in peak shaving and valley filling.
  • a first aspect of the present disclosure provides an ordered charging system based on charging piles under the condition of power demand response.
  • An orderly charging system based on a charging pile under the condition of power demand response comprising: a charging pile, a charging and discharging controller, a circuit breaker and a charging and discharging management terminal, the charging pile is connected with the circuit breaker, and the charging and discharging controller is respectively connected with the charging pile and the charging and discharging management terminal.
  • circuit breaker communication connection ;
  • the charging and discharging management terminal is connected in communication with the charging and discharging controller.
  • the charging and discharging management terminal obtains the combination of charging sequences according to the parameter data of the electric vehicle and the predicted value of the responsive load, and performs orderly charging control according to the obtained combination of charging sequences.
  • a second aspect of the present disclosure provides an orderly charging method based on a charging pile under a power demand response condition.
  • An orderly charging method based on charging piles under the condition of power demand response including the following processes:
  • the combination of the charging sequence is obtained, and the orderly charging control is carried out according to the obtained combination of the charging sequence.
  • a density-based clustering method is used to cluster vehicle behavior and charging and discharging trips.
  • the responsive load of the electric vehicle is: The difference between the power of the electric vehicle and the minimum discharge power of the electric vehicle.
  • the responsive load of the electric vehicle is:
  • the first sequence is formed by incrementing the grid access time.
  • Electric cars stop charging charging at all times, according to The time increments to form the second sequence, is the off-grid time of the i-th electric vehicle, q i g is the user target power of the i electric vehicle, P i c is the charging power of the i-th electric vehicle, ⁇ is the charging efficiency of the electric vehicle, is the remaining power of the i-th electric vehicle when it is connected to the network during the demand response period;
  • the electric vehicle stops charging, and the electric vehicle stops charging after the end of the electric demand response.
  • Always charge according to The time increases to form the third charging sequence, is the off-grid time of the i-th electric vehicle, q i g is the user target power of the i electric vehicle, P i c is the charging power of the i-th electric vehicle, ⁇ is the charging efficiency of the electric vehicle, is the remaining power of the i-th electric vehicle when it is connected to the network during the demand response period;
  • the electric vehicle performs orderly charging control according to the sequence of the first charging sequence, the second charging sequence and the third charging sequence.
  • a third aspect of the present disclosure provides an ordered charging system based on charging piles under the condition of power demand response.
  • An orderly charging system based on charging piles under the condition of power demand response comprising:
  • the data acquisition module is configured to: acquire the parameter data of the electric vehicle and the charging pile;
  • a behavior classification module configured to: classify the vehicle usage and charging behaviors by using a density-based clustering method according to the obtained parameter data;
  • the load prediction module is configured to: predict the responsive load of the electric vehicle according to the classification result and the parameter data of the electric vehicle;
  • the charging control module is configured to: obtain a charging sequence combination according to the parameter data of the electric vehicle and the responsive load prediction value, and perform orderly charging control according to the obtained charging sequence combination.
  • a fourth aspect of the present disclosure provides a computer-readable storage medium on which a program is stored, and when the program is executed by a processor, implements orderly charging based on charging piles under the power demand response condition described in the second aspect of the present disclosure steps in the method.
  • a fifth aspect of the present disclosure provides an electronic device, including a memory, a processor, and a program stored in the memory and executable on the processor, when the processor executes the program, the implementation is as described in the second aspect of the present disclosure Steps in a charging pile-based orderly charging method under the power demand response condition.
  • the method, system, medium or electronic device described in the present disclosure meets the power demand response, improves the efficiency of power supply and the economy of power supply, reduces the load of the power grid, reduces the fluctuation of the power grid, and improves the security and stability of the power supply It plays a very good role in cutting peaks and filling valleys.
  • the method, system, medium or electronic device described in the present disclosure obtains the charging and discharging behaviors and vehicle use behaviors of different types of electric vehicles, and then combines the different types of charging and discharging behaviors and vehicle use behaviors to divide the electric vehicles into For different categories, the available load of electric vehicles of different categories is finally calculated, which greatly improves the accuracy of the available load, and further improves the accuracy of orderly charging control.
  • FIG. 1 is a schematic structural diagram of an ordered charging system based on charging piles under the condition of power demand response provided by Embodiment 1 of the present disclosure.
  • Embodiment 1 of the present disclosure provides an orderly charging system based on charging piles under the condition of power demand response, including a power grid, a circuit breaker, a charging pile, a charging controller, an electric vehicle, and an electric vehicle charging management platform .
  • the management platform When the electric vehicle charging management platform receives the demand side response signal of the power grid, the management platform analyzes the load prediction value that the electric vehicle can respond to according to the value of the demand side response load of the power grid, and then the electric vehicle charging management platform controls the charging.
  • the controller sends charging or non-charging commands, and the circuit breaker is used to control the charging behavior of the electric vehicle.
  • the charging pile has the following capabilities:
  • the ability to collect electric vehicle charging behavior information includes the grid-connected time and off-grid time of the electric vehicle, the remaining power when connected to the charging pile, the current power, and the charging power of the electric vehicle. It has a display indicating unit that can display the running and charging state, and has functions such as overcurrent, short circuit, and leakage protection.
  • Two-way information transmission capability with the charging controller, transmits the collected information to the charging controller for data storage, and can accept the control signal sent by the charging controller to switch the electric vehicle charging circuit breaker.
  • the charge controller has the following capabilities:
  • the ability to carry out two-way transmission with the charging pile can accept the information collected by the charging pile, and have the ability to monitor and manage information data; can send electricity price adjustment, parameter setting and control instructions to the charging pile and other functions.
  • the electric vehicle charging management platform has the following capabilities:
  • the charging pile After the user connects the electric vehicle to the power grid, the charging pile will collect the user's on-grid, off-grid time, remaining power on the grid, and off-grid target power, and the charging controller will send this information to the EV charging management platform.
  • the electric vehicle During the time of connecting to the grid, the electric vehicle is in a dispatchable state, and its charging behavior is controlled by the electric vehicle charging management platform.
  • the electric vehicle charging management platform formulates an orderly charging strategy based on the power demand response of charging piles on the premise of ensuring that all vehicle charging tasks are completed on time.
  • Embodiment 2 of the present disclosure provides an orderly charging method based on charging piles under the condition of power demand response, including the following steps:
  • Step 1 Use a density-based clustering method (DBSCAN) to classify electric vehicle users' car usage and charging behavior.
  • DBSCAN density-based clustering method
  • Step 2 According to the clustering results and the relevant parameters of the electric vehicle, carry out the electric vehicle responsive load prediction calculation.
  • Step 3 According to the relevant parameters of the electric vehicle, the electric vehicle forms a charging sequence combination and charges in an orderly manner.
  • the density-based clustering method (DBSCAN) is used to cluster the user's vehicle behavior and charging and discharging behavior:
  • the start time of DR is The end time is t d o
  • the number of collection days is N 1 days.
  • the starting charging time of the i-th vehicle is The end of charging time is The time when the i-th electric vehicle is connected to the network time and departure time Time( and Calculation method, collect h time and min minutes, (or ) ).
  • Electric vehicles are classified as follows:
  • the median of the columns of the data matrix is used as the characteristics of the user's car behavior and charging and discharging behavior of the i-th car, and participates in the DBSCAN cluster analysis.
  • medium(x) represents the median of x.
  • D d The characteristic data of all cars in Zhou d is combined as D d to participate in the cluster analysis of DBSCAN, and D d is represented as follows:
  • DBSCAN input D d ;
  • DBSCAN output Classification of EV user vehicles and charging and discharging behavior.
  • the i-th electric car is The characteristic value of the remaining power when the time period is connected to the network is The characteristic value of the user's target electric quantity of the i-th electric vehicle is q i g , and the i-th electric vehicle is in The characteristic value of electricity at time is qi d , and the ith electric vehicle can respond to the load
  • the charging power P i c of the ith electric vehicle, the charging efficiency of the electric vehicle is ⁇
  • the time characteristic value of the departure time of the ith electric vehicle is According to clustering in The number of electric cars in the stage is n, and the ith electric car is in Charging time Then the following relationship is satisfied:
  • the load that electric vehicles can respond to is the predicted load that electric vehicles can respond to.
  • the loads that electric vehicles can respond to are:
  • the electric vehicle charge and discharge management platform input the variables of the electric vehicle, you can output in the Stage EVs can respond to predicted loads as follows:
  • electric vehicles are charged in sequence according to the order of D 1 , D 2 , D 3 and related requirements.
  • Embodiment 2 of the present disclosure provides an orderly charging system based on charging piles under the condition of power demand response, including:
  • the data acquisition module is configured to: acquire the parameter data of the electric vehicle and the charging pile;
  • a behavior classification module configured to: classify the vehicle usage and charging behaviors by using a density-based clustering method according to the obtained parameter data;
  • the load prediction module is configured to: predict the responsive load of the electric vehicle according to the classification result and the parameter data of the electric vehicle;
  • the charging control module is configured to: obtain a charging sequence combination according to the parameter data of the electric vehicle and the responsive load prediction value, and perform orderly charging control according to the obtained charging sequence combination.
  • the working method of the system is the same as the orderly charging method based on the charging pile under the power demand response condition provided in Embodiment 1, and will not be repeated here.
  • Embodiment 4 of the present disclosure provides a computer-readable storage medium on which a program is stored, and when the program is executed by a processor, realizes the orderly charging based on charging piles under the power demand response condition described in Embodiment 2 of the present disclosure steps in the method.
  • Embodiment 5 of the present disclosure provides an electronic device, including a memory, a processor, and a program stored in the memory and running on the processor.
  • the processor executes the program, the implementation is as described in Embodiment 2 of the present disclosure. Steps in a charging pile-based orderly charging method under the power demand response condition.
  • embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM) or the like.

Abstract

Provided is a charging-pile-based coordinated charging method under a power demand response condition. A coordinated charging system based on the coordinated charging method comprises: a charging pile, a charging/discharging controller, a circuit breaker, and a charging/discharging management terminal, wherein the charging pile is connected to the circuit breaker, and the charging/discharging controller is in communication connection with the charging pile and circuit breaker; and the charging/discharging management terminal is in communication connection with the charging/discharging controller, and the charging/discharging management terminal obtains a charging sequence combination according to parameter data and responsive load prediction values of an electric vehicle, and performs the control of coordinated charging according to the obtained charging sequence combination. Accordingly, the power demand response is met, the power supply efficiency and power supply economy of a power grid are improved, and a power grid load is decreased, thereby reducing the fluctuation of the power grid, improving the safety and stability of supplying power, and achieving a good peak shaving and valley filling effect.

Description

电力需求响应条件下基于充电桩的有序充电方法Orderly charging method based on charging piles under the condition of power demand response 技术领域technical field
本公开涉及电动汽车充电控制技术领域，特别涉及一种电力需求响应条件下基于充电桩的有序充电方法。The present disclosure relates to the technical field of electric vehicle charging control, in particular to an orderly charging method based on charging piles under the condition of power demand response.
背景技术Background technique
本部分的陈述仅仅是提供了与本公开相关的背景技术，并不必然构成现有技术。The statements in this section merely provide background related to the present disclosure and do not necessarily constitute prior art.
随着新能源电动汽车的加速发展，新能源电动汽车充电负荷规模越来越大。With the accelerated development of new energy electric vehicles, the scale of the charging load of new energy electric vehicles is increasing.
但是，发明人发现，电动汽车接入电网会对电力系统带来巨大的影响，主要包括：However, the inventor found that the connection of electric vehicles to the power grid will have a huge impact on the power system, including:
(1)新能源电动汽车充电网络具有较大的偶然性和不可预测性，将加大电网控制的难度；影响传统配电网安全、可靠及经济供电；(1) The new energy electric vehicle charging network has great contingency and unpredictability, which will increase the difficulty of power grid control; it will affect the safe, reliable and economical power supply of traditional distribution networks;
(2)大量新能源电动汽车充电系统直接接入配电网，将影响配网供电设备的利用率、配网损耗、配网供电质量、配网静态安全以及暂动态稳定等；(2) A large number of new energy electric vehicle charging systems are directly connected to the distribution network, which will affect the utilization rate of distribution network power supply equipment, distribution network loss, distribution network power supply quality, distribution network static safety and temporary dynamic stability, etc.;
(3)现有电动汽车的充电策略主要是自由充电模式，大规模电动汽车接入配电网自由充电时，会产生电网高峰负荷增加、电压偏移及波动加大、供电效率及经济性下降、影响配网安全稳定等一系列问题。(3) The existing charging strategy of electric vehicles is mainly the free charging mode. When large-scale electric vehicles are connected to the distribution network for free charging, the peak load of the grid will increase, the voltage offset and fluctuation will increase, and the power supply efficiency and economy will decrease. , A series of problems affecting the security and stability of the distribution network.
发明内容SUMMARY OF THE INVENTION
为了解决现有技术的不足，本公开提供了一种电力需求响应条件下基于充电桩的有序充电方法，满足了电力需求响应，提高了电网供电的效率和供电的 经济性，降低了电网负荷，减少了电网波动，提高了供电的安全稳定性，起到很好的削峰填谷的作用。In order to solve the deficiencies of the prior art, the present disclosure provides an orderly charging method based on charging piles under the condition of power demand response, which satisfies the power demand response, improves the efficiency and economy of power supply of the power grid, and reduces the load of the power grid , reducing the fluctuation of the power grid, improving the safety and stability of the power supply, and playing a good role in peak shaving and valley filling.
为了实现上述目的，本公开采用如下技术方案：In order to achieve the above object, the present disclosure adopts the following technical solutions:
本公开第一方面提供了一种电力需求响应条件下基于充电桩的有序充电系统。A first aspect of the present disclosure provides an ordered charging system based on charging piles under the condition of power demand response.
一种电力需求响应条件下基于充电桩的有序充电系统，包括：充电桩、充放电控制器、断路器和充放电管理终端，充电桩与断路器连接，充放电控制器分别与充电桩和断路器通信连接；An orderly charging system based on a charging pile under the condition of power demand response, comprising: a charging pile, a charging and discharging controller, a circuit breaker and a charging and discharging management terminal, the charging pile is connected with the circuit breaker, and the charging and discharging controller is respectively connected with the charging pile and the charging and discharging management terminal. circuit breaker communication connection;
充放电管理终端与充放电控制器通信连接，充放电管理终端根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。The charging and discharging management terminal is connected in communication with the charging and discharging controller. The charging and discharging management terminal obtains the combination of charging sequences according to the parameter data of the electric vehicle and the predicted value of the responsive load, and performs orderly charging control according to the obtained combination of charging sequences.
本公开第二方面提供了一种电力需求响应条件下基于充电桩的有序充电方法。A second aspect of the present disclosure provides an orderly charging method based on a charging pile under a power demand response condition.
一种电力需求响应条件下基于充电桩的有序充电方法，包括以下过程：An orderly charging method based on charging piles under the condition of power demand response, including the following processes:
获取电动汽车和充电桩的参量数据；Obtain parameter data of electric vehicles and charging piles;
根据获取的参量数据，利用基于密度的聚类方法对用车和充电行为进行分类；According to the obtained parametric data, use the density-based clustering method to classify the car usage and charging behavior;
根据分类结果和电动汽车的参量数据，进行电动汽车可响应负荷预测；According to the classification results and the parameter data of the electric vehicle, predict the responsive load of the electric vehicle;
根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。According to the parameter data of the electric vehicle and the predictable value of the responsive load, the combination of the charging sequence is obtained, and the orderly charging control is carried out according to the obtained combination of the charging sequence.
作为可选的实施方式，根据充电桩采集的用户车辆入网时间、离开时间、开始充电时间和结束充电时间，利用基于密度的聚类方法进行用车行为和充放 电行的聚类。As an optional implementation, according to the user's vehicle access time, departure time, start charging time and end charging time collected by the charging pile, a density-based clustering method is used to cluster vehicle behavior and charging and discharging trips.
作为可选的实施方式，电动汽车离开的时间与电力需求响应结束时间的差值大于或等于电动汽车从最低电量到目标电量的充电时长时，电动汽车的可响应负荷为：电动汽车入网时剩余的电量与电动汽车的放电最低电量的差值。As an optional embodiment, when the difference between the time when the electric vehicle leaves and the end time of the power demand response is greater than or equal to the charging time of the electric vehicle from the minimum power to the target power, the responsive load of the electric vehicle is: The difference between the power of the electric vehicle and the minimum discharge power of the electric vehicle.
作为可选的实施方式，电动汽车离开的时间与电力需求响应结束时间的差值小于电动汽车从最低电量到目标电量的充电时长时，电动汽车的可响应负荷为：As an optional embodiment, when the difference between the time when the electric vehicle leaves and the end time of the power demand response is less than the charging time of the electric vehicle from the minimum power to the target power, the responsive load of the electric vehicle is:
电动汽车离开的时间与电力需求响应结束时间的差值与电动汽车充电功率和电动汽车充电效率三者的乘积，再同入网时剩余的电量与电动汽车的放电最低电量的差值的加和。The difference between the time when the electric vehicle leaves and the end time of the power demand response, the product of the charging power of the electric vehicle and the charging efficiency of the electric vehicle, and the sum of the difference between the remaining power when the electric vehicle is connected to the grid and the minimum discharge power of the electric vehicle.
作为可选的实施方式，当电动汽车离网时间与电力需求响应结束时间的差值小于或等于零时，根据入网时间递增组成第一数列。As an optional implementation manner, when the difference between the off-grid time of the electric vehicle and the end time of the power demand response is less than or equal to zero, the first sequence is formed by incrementing the grid access time.
进一步的，当电动汽车离网时间与电力需求响应结束时间的差值大于零，且小于电动车在需求响应时间段的充电时长时；Further, when the difference between the off-grid time of the electric vehicle and the end time of the power demand response is greater than zero, and is less than the charging time of the electric vehicle in the demand response time period;
电动汽车停止充电在在
Figure PCTCN2021088180-appb-000001
时刻充电，根据
Figure PCTCN2021088180-appb-000002
时间递增组成第二数列，
Figure PCTCN2021088180-appb-000003
为第i辆电动汽车离网时间，q i g为i辆电动汽车用户目标电量，P i c为第i辆电动汽车充电功率，η为电动汽车充电效率，
Figure PCTCN2021088180-appb-000004
为第i辆电动汽车在需求响应时间段入网时剩余的电量； Electric cars stop charging
Figure PCTCN2021088180-appb-000001
charging at all times, according to
Figure PCTCN2021088180-appb-000002
The time increments to form the second sequence,
Figure PCTCN2021088180-appb-000003
is the off-grid time of the i-th electric vehicle, q i g is the user target power of the i electric vehicle, P i c is the charging power of the i-th electric vehicle, η is the charging efficiency of the electric vehicle,
Figure PCTCN2021088180-appb-000004
is the remaining power of the i-th electric vehicle when it is connected to the network during the demand response period;
当电动汽车离网时间与电力需求响应的结束时间的差值大于或等于电动汽车在电力需求响应时段内的充电时长时，电动汽车停止充电，并在电力需求响应结束后的
Figure PCTCN2021088180-appb-000005
时刻充电，按照
Figure PCTCN2021088180-appb-000006
时间递增组成第三充电数列，
Figure PCTCN2021088180-appb-000007
为第i辆电动汽车离网时间，q i g为i辆电动汽车用户目标电量，P i c为第i辆电动汽车充电功率，η为电动汽车充电效率，
Figure PCTCN2021088180-appb-000008
为第i辆电动汽车在需求响应时间段入网时剩余的电量； When the difference between the off-grid time of the electric vehicle and the end time of the electric demand response is greater than or equal to the charging time of the electric vehicle within the electric demand response period, the electric vehicle stops charging, and the electric vehicle stops charging after the end of the electric demand response.
Figure PCTCN2021088180-appb-000005
Always charge, according to
Figure PCTCN2021088180-appb-000006
The time increases to form the third charging sequence,
Figure PCTCN2021088180-appb-000007
is the off-grid time of the i-th electric vehicle, q i g is the user target power of the i electric vehicle, P i c is the charging power of the i-th electric vehicle, η is the charging efficiency of the electric vehicle,
Figure PCTCN2021088180-appb-000008
is the remaining power of the i-th electric vehicle when it is connected to the network during the demand response period;
电动汽车依次按照第一充电序列、第二充电序列和第三充电序列的顺序进行有序充电控制。The electric vehicle performs orderly charging control according to the sequence of the first charging sequence, the second charging sequence and the third charging sequence.
本公开第三方面提供了一种电力需求响应条件下基于充电桩的有序充电系统。A third aspect of the present disclosure provides an ordered charging system based on charging piles under the condition of power demand response.
一种电力需求响应条件下基于充电桩的有序充电系统，包括：An orderly charging system based on charging piles under the condition of power demand response, comprising:
数据获取模块，被配置为：获取电动汽车和充电桩的参量数据；The data acquisition module is configured to: acquire the parameter data of the electric vehicle and the charging pile;
行为分类模块，被配置为：根据获取的参量数据，利用基于密度的聚类方法对用车和充电行为进行分类；a behavior classification module, configured to: classify the vehicle usage and charging behaviors by using a density-based clustering method according to the obtained parameter data;
负荷预测模块，被配置为：根据分类结果和电动汽车的参量数据，进行电动汽车可响应负荷预测；The load prediction module is configured to: predict the responsive load of the electric vehicle according to the classification result and the parameter data of the electric vehicle;
充电控制模块，被配置为：根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。The charging control module is configured to: obtain a charging sequence combination according to the parameter data of the electric vehicle and the responsive load prediction value, and perform orderly charging control according to the obtained charging sequence combination.
本公开第四方面提供了一种计算机可读存储介质，其上存储有程序，该程序被处理器执行时实现如本公开第二方面所述的电力需求响应条件下基于充电桩的有序充电方法中的步骤。A fourth aspect of the present disclosure provides a computer-readable storage medium on which a program is stored, and when the program is executed by a processor, implements orderly charging based on charging piles under the power demand response condition described in the second aspect of the present disclosure steps in the method.
本公开第五方面提供了一种电子设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的程序，所述处理器执行所述程序时实现如本公开第二方面所述的电力需求响应条件下基于充电桩的有序充电方法中的步骤。A fifth aspect of the present disclosure provides an electronic device, including a memory, a processor, and a program stored in the memory and executable on the processor, when the processor executes the program, the implementation is as described in the second aspect of the present disclosure Steps in a charging pile-based orderly charging method under the power demand response condition.
与现有技术相比，本公开的有益效果是：Compared with the prior art, the beneficial effects of the present disclosure are:
1、本公开所述的方法、系统、介质或电子设备，满足了电力需求响应，提高了电网供电的效率和供电的经济性，降低了电网负荷，减少了电网波动，提高了供电的安全稳定性，起到很好的削峰填谷的作用。1. The method, system, medium or electronic device described in the present disclosure meets the power demand response, improves the efficiency of power supply and the economy of power supply, reduces the load of the power grid, reduces the fluctuation of the power grid, and improves the security and stability of the power supply It plays a very good role in cutting peaks and filling valleys.
2、本公开所述的方法、系统、介质或电子设备，获取不同类别的电动汽车的充放电行为和用车行为，然后将不同类别的充放电行为和用车行为进行组合，将电动汽车划分为不同类别，最后计算不同类别的电动汽车的可用负荷，极大的提高了可用负荷的准确性，进而进一步的提高了有序充电控制的精度。2. The method, system, medium or electronic device described in the present disclosure obtains the charging and discharging behaviors and vehicle use behaviors of different types of electric vehicles, and then combines the different types of charging and discharging behaviors and vehicle use behaviors to divide the electric vehicles into For different categories, the available load of electric vehicles of different categories is finally calculated, which greatly improves the accuracy of the available load, and further improves the accuracy of orderly charging control.
附图说明Description of drawings
构成本公开的一部分的说明书附图用来提供对本公开的进一步理解，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。The accompanying drawings that constitute a part of the present disclosure are used to provide further understanding of the present disclosure, and the exemplary embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation of the present disclosure.
图1为本公开实施例1提供的电力需求响应条件下基于充电桩的有序充电系统的结构示意图。FIG. 1 is a schematic structural diagram of an ordered charging system based on charging piles under the condition of power demand response provided by Embodiment 1 of the present disclosure.
具体实施方式Detailed ways
下面结合附图与实施例对本公开作进一步说明。The present disclosure will be further described below with reference to the accompanying drawings and embodiments.
应该指出，以下详细说明都是例示性的，旨在对本公开提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本公开所属技术领域的普通技术人员通常理解的相同含义。It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本公开的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.
在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互组合。The embodiments of this disclosure and features of the embodiments may be combined with each other without conflict.
实施例1：Example 1:
如图1所示，本公开实施例1提供了一种电力需求响应条件下基于充电桩的有序充电系统，包括电网、断路器、充电桩、充电控制器、电动汽车、电动汽车充电管理平台。As shown in FIG. 1 , Embodiment 1 of the present disclosure provides an orderly charging system based on charging piles under the condition of power demand response, including a power grid, a circuit breaker, a charging pile, a charging controller, an electric vehicle, and an electric vehicle charging management platform .
当电动汽车充电管理平台收到电网的需求侧响应信号，管理平台根据电网需求侧响应负荷的数值大小，与电动汽车所能响应的负荷预测值进行分析，然后电动汽车充电管理平台再给充电控制器发送充电或不充电指令，利用断路器来控制电动汽车充电行为。When the electric vehicle charging management platform receives the demand side response signal of the power grid, the management platform analyzes the load prediction value that the electric vehicle can respond to according to the value of the demand side response load of the power grid, and then the electric vehicle charging management platform controls the charging. The controller sends charging or non-charging commands, and the circuit breaker is used to control the charging behavior of the electric vehicle.
充电桩具备以下能力：The charging pile has the following capabilities:
1)电动汽车充电行为信息采集能力，采集信息包括电动汽车的入网时间和离网时间、接入充电桩时剩余电量、当前电量、电动汽车充电电量等信息；具备显示指示单元，能显示运行和充电状态，并具备过流、短路、漏电保护等功能。1) The ability to collect electric vehicle charging behavior information. The collected information includes the grid-connected time and off-grid time of the electric vehicle, the remaining power when connected to the charging pile, the current power, and the charging power of the electric vehicle. It has a display indicating unit that can display the running and charging state, and has functions such as overcurrent, short circuit, and leakage protection.
2)与充电控制器双向信息传输能力，将采集信息传输到充电控制器进行数据存储，并可以接受充电控制器发出的控制信号，进行电动汽车充电断路器的通断。2) Two-way information transmission capability with the charging controller, transmits the collected information to the charging controller for data storage, and can accept the control signal sent by the charging controller to switch the electric vehicle charging circuit breaker.
充电控制器具备以下能力：The charge controller has the following capabilities:
1)与充电桩进行双向传输的能力，可以接受充电桩采集到的信息，有监控和管理信息数据的能力；可以给充电桩发送电价调整、参数设置和控制指令等功能。1) The ability to carry out two-way transmission with the charging pile, can accept the information collected by the charging pile, and have the ability to monitor and manage information data; can send electricity price adjustment, parameter setting and control instructions to the charging pile and other functions.
2)可以与电动汽车充电管理平台进行双向传输的能力，可以把数据传输给 电动汽车充电管理平台，也可以接受电动汽车充电管理平台发出的控制指令。2) The capability of bidirectional transmission with the electric vehicle charging management platform, data can be transmitted to the electric vehicle charging management platform, and control commands issued by the electric vehicle charging management platform can also be accepted.
3)具有控制充电断路器通断的能力。3) It has the ability to control the on-off of the charging circuit breaker.
电动汽车充电管理平台具备以下能力：The electric vehicle charging management platform has the following capabilities:
1)可以与电网平台、充电控制器、双电源开关控制器等进行双向通信，并能根据所获得的数据进行电动汽车用车行为和充电行为分类、可响应负荷预测等。1) It can carry out bidirectional communication with grid platform, charging controller, dual power switch controller, etc., and can perform electric vehicle vehicle behavior and charging behavior classification, responsive load prediction, etc. according to the obtained data.
2)合理安排各充电桩充电状态、充电功率等。2) Reasonably arrange the charging status and charging power of each charging pile.
信息流程：用户将电动汽车接入电网后，充电桩会采集用户的入网、离网时间和入网剩余电量、离网目标电量，充电控制器将这些信息发送到电动汽车充电管理平台。在接入电网的时间内，电动汽车处于可调度状态，其充电行为受电动汽车充电管理平台控制。电动汽车充电管理平台在保证按时完成所有车辆充电任务的前提下制定基于充电桩电力需求响应有序充电策略。Information process: After the user connects the electric vehicle to the power grid, the charging pile will collect the user's on-grid, off-grid time, remaining power on the grid, and off-grid target power, and the charging controller will send this information to the EV charging management platform. During the time of connecting to the grid, the electric vehicle is in a dispatchable state, and its charging behavior is controlled by the electric vehicle charging management platform. The electric vehicle charging management platform formulates an orderly charging strategy based on the power demand response of charging piles on the premise of ensuring that all vehicle charging tasks are completed on time.
实施例2：Example 2:
本公开实施例2提供了一种电力需求响应条件下基于充电桩的有序充电方法，包括以下步骤：Embodiment 2 of the present disclosure provides an orderly charging method based on charging piles under the condition of power demand response, including the following steps:
步骤1：利用基于密度的聚类方法(DBSCAN)对电动汽车用户用车和充电行为进行分类。Step 1: Use a density-based clustering method (DBSCAN) to classify electric vehicle users' car usage and charging behavior.
步骤2：根据聚类结果和电动汽车的相关参量，进行电动汽车可响应负荷预测计算。Step 2: According to the clustering results and the relevant parameters of the electric vehicle, carry out the electric vehicle responsive load prediction calculation.
步骤3：根据电动汽车相关参数，电动汽车形成充电数列组合，有序充电。Step 3: According to the relevant parameters of the electric vehicle, the electric vehicle forms a charging sequence combination and charges in an orderly manner.
具体的，包括以下内容：Specifically, it includes the following:
(1)电动汽车类别划分(1) Classification of electric vehicles
根据充电桩采集的用户车辆入网时间、离开时间、开始充电时间、结束充电时间，利用基于密度的聚类方法(DBSCAN)用户的用车行为和充放电行为进行聚类分析：According to the user's vehicle access time, departure time, start charging time, and end charging time collected by the charging pile, the density-based clustering method (DBSCAN) is used to cluster the user's vehicle behavior and charging and discharging behavior:
假设电力需求响应开始时间为
Figure PCTCN2021088180-appb-000009
结束时间为t d o，采集天数为N 1天，根据用户用车行为和充放电行为的特点，假设N 1天有m个星期，第i辆开始充电时间为
Figure PCTCN2021088180-appb-000010
结束充电时间为
Figure PCTCN2021088180-appb-000011
第i辆电动汽车入网时间
Figure PCTCN2021088180-appb-000012
时和离开时间
Figure PCTCN2021088180-appb-000013
时(
Figure PCTCN2021088180-appb-000014
和
Figure PCTCN2021088180-appb-000015
计算方法，采集h时min分，
Figure PCTCN2021088180-appb-000016
(或
Figure PCTCN2021088180-appb-000017
)
Figure PCTCN2021088180-appb-000018
)。 Assume that the start time of DR is
Figure PCTCN2021088180-appb-000009
The end time is t d o , and the number of collection days is N 1 days. According to the characteristics of the user’s car use behavior and charging and discharging behavior, assuming that there are m weeks in N 1 day, the starting charging time of the i-th vehicle is
Figure PCTCN2021088180-appb-000010
The end of charging time is
Figure PCTCN2021088180-appb-000011
The time when the i-th electric vehicle is connected to the network
Figure PCTCN2021088180-appb-000012
time and departure time
Figure PCTCN2021088180-appb-000013
Time(
Figure PCTCN2021088180-appb-000014
and
Figure PCTCN2021088180-appb-000015
Calculation method, collect h time and min minutes,
Figure PCTCN2021088180-appb-000016
(or
Figure PCTCN2021088180-appb-000017
)
Figure PCTCN2021088180-appb-000018
).
电动汽车分类方法如下：Electric vehicles are classified as follows:
假设采集周d第i汽车的数据集如下所示：Suppose the data set for collecting the i-th car on week d is as follows:
Figure PCTCN2021088180-appb-000019
Figure PCTCN2021088180-appb-000019
并该数据矩阵的列的中位数作为第i辆汽车的用户用车行为和充放电行为特征，参与DBSCAN聚类分析。And the median of the columns of the data matrix is used as the characteristics of the user's car behavior and charging and discharging behavior of the i-th car, and participates in the DBSCAN cluster analysis.
第i辆电动汽车在m个周d的特征数据如下：The characteristic data of the ith electric vehicle in m weeks are as follows:
Figure PCTCN2021088180-appb-000020
Figure PCTCN2021088180-appb-000020
式中，medium(x)表示x的中位数。where medium(x) represents the median of x.
周d所有汽车的特征数据组合为D d参与DBSCAN的聚类分析，D d的表示如下： The characteristic data of all cars in Zhou d is combined as D d to participate in the cluster analysis of DBSCAN, and D d is represented as follows:
Figure PCTCN2021088180-appb-000021
Figure PCTCN2021088180-appb-000021
DBSCAN输入：D d； DBSCAN input: D d ;
DBSCAN输出：电动汽用户用车和充放电行为的分类。DBSCAN output: Classification of EV user vehicles and charging and discharging behavior.
(2)电动汽车可响应的负荷预测(2) Load prediction that electric vehicles can respond to
根据聚类结果，可得出在建筑物应急供电阶段的电动汽车数量、时间、充电量等信息。第i辆电动汽车在
Figure PCTCN2021088180-appb-000022
时间段入网时剩余的电量特征值为
Figure PCTCN2021088180-appb-000023
第i辆电动汽车用户目标电量特征值为q i g，第i辆电动汽车在
Figure PCTCN2021088180-appb-000024
时刻的电量特征值为q i d，第i辆电动汽车可响应负荷
Figure PCTCN2021088180-appb-000025
第i辆电动汽车充电功率P i c，电动汽车充电效率为η，第i辆电动汽车离开的时间特征值为
Figure PCTCN2021088180-appb-000026
根据聚类在
Figure PCTCN2021088180-appb-000027
阶段电动汽车的数量为n，第i辆电动汽车在
Figure PCTCN2021088180-appb-000028
充电时长
Figure PCTCN2021088180-appb-000029
则满足以下关系： According to the clustering results, information such as the number, time, and charging capacity of electric vehicles during the emergency power supply phase of the building can be obtained. The i-th electric car is
Figure PCTCN2021088180-appb-000022
The characteristic value of the remaining power when the time period is connected to the network is
Figure PCTCN2021088180-appb-000023
The characteristic value of the user's target electric quantity of the i-th electric vehicle is q i g , and the i-th electric vehicle is in
Figure PCTCN2021088180-appb-000024
The characteristic value of electricity at time is qi d , and the ith electric vehicle can respond to the load
Figure PCTCN2021088180-appb-000025
The charging power P i c of the ith electric vehicle, the charging efficiency of the electric vehicle is η , and the time characteristic value of the departure time of the ith electric vehicle is
Figure PCTCN2021088180-appb-000026
According to clustering in
Figure PCTCN2021088180-appb-000027
The number of electric cars in the stage is n, and the ith electric car is in
Figure PCTCN2021088180-appb-000028
Charging time
Figure PCTCN2021088180-appb-000029
Then the following relationship is satisfied:
若
Figure PCTCN2021088180-appb-000030
则： like
Figure PCTCN2021088180-appb-000030
but:
Figure PCTCN2021088180-appb-000031
Figure PCTCN2021088180-appb-000031
若
Figure PCTCN2021088180-appb-000032
则： like
Figure PCTCN2021088180-appb-000032
but:
Figure PCTCN2021088180-appb-000033
Figure PCTCN2021088180-appb-000033
电动汽车可响应的负荷即为电动汽车可响应的预测负荷，在电力需求
Figure PCTCN2021088180-appb-000034
阶段电动汽车可响应的负荷是： The load that electric vehicles can respond to is the predicted load that electric vehicles can respond to.
Figure PCTCN2021088180-appb-000034
The loads that electric vehicles can respond to are:
Figure PCTCN2021088180-appb-000035
Figure PCTCN2021088180-appb-000035
说明：若
Figure PCTCN2021088180-appb-000036
不计入运算或计0。 Description: if
Figure PCTCN2021088180-appb-000036
Does not count as an operation or counts 0.
电动汽车充放电管理平台，输入电动汽车的变量，就可以输出在
Figure PCTCN2021088180-appb-000037
阶段电动汽车可响应预测负荷，如下： The electric vehicle charge and discharge management platform, input the variables of the electric vehicle, you can output in the
Figure PCTCN2021088180-appb-000037
Stage EVs can respond to predicted loads as follows:
输入：
Figure PCTCN2021088180-appb-000038
η、
Figure PCTCN2021088180-appb-000039
enter:
Figure PCTCN2021088180-appb-000038
n,
Figure PCTCN2021088180-appb-000039
输出：Q d s Output: Q d s
(3)电力需求响应下电动汽车有序充电策略(3) Orderly charging strategy for electric vehicles under power demand response
1)若
Figure PCTCN2021088180-appb-000040
电动汽车继续充电，根据入网时间递增组成数列D 1； 1) If
Figure PCTCN2021088180-appb-000040
The electric vehicle continues to charge, and the sequence D 1 is formed incrementally according to the network access time;
2)若
Figure PCTCN2021088180-appb-000041
电动汽车停止充电在在
Figure PCTCN2021088180-appb-000042
时刻充电，根据
Figure PCTCN2021088180-appb-000043
时间递增组成数列D 2； 2) If
Figure PCTCN2021088180-appb-000041
Electric cars stop charging
Figure PCTCN2021088180-appb-000042
charging at all times, according to
Figure PCTCN2021088180-appb-000043
The time increments to form an array D 2 ;
3)若
Figure PCTCN2021088180-appb-000044
电动汽车停止充电在
Figure PCTCN2021088180-appb-000045
后充电，根据
Figure PCTCN2021088180-appb-000046
时间递增组成数列D 3。 3) If
Figure PCTCN2021088180-appb-000044
Electric cars stop charging
Figure PCTCN2021088180-appb-000045
after charging, according to
Figure PCTCN2021088180-appb-000046
The time increments form the sequence D 3 .
根据以上分类，电动汽车依次按照D 1、D 2、D 3顺序和相关的要求进行有序充电。 According to the above classification, electric vehicles are charged in sequence according to the order of D 1 , D 2 , D 3 and related requirements.
实施例2：Example 2:
本公开实施例2提供了一种电力需求响应条件下基于充电桩的有序充电系统，包括：Embodiment 2 of the present disclosure provides an orderly charging system based on charging piles under the condition of power demand response, including:
数据获取模块，被配置为：获取电动汽车和充电桩的参量数据；The data acquisition module is configured to: acquire the parameter data of the electric vehicle and the charging pile;
行为分类模块，被配置为：根据获取的参量数据，利用基于密度的聚类方法对用车和充电行为进行分类；a behavior classification module, configured to: classify the vehicle usage and charging behaviors by using a density-based clustering method according to the obtained parameter data;
负荷预测模块，被配置为：根据分类结果和电动汽车的参量数据，进行电动汽车可响应负荷预测；The load prediction module is configured to: predict the responsive load of the electric vehicle according to the classification result and the parameter data of the electric vehicle;
充电控制模块，被配置为：根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。The charging control module is configured to: obtain a charging sequence combination according to the parameter data of the electric vehicle and the responsive load prediction value, and perform orderly charging control according to the obtained charging sequence combination.
所述系统的工作方法与实施例1提供的电力需求响应条件下基于充电桩的有序充电方法相同，这里不再赘述。The working method of the system is the same as the orderly charging method based on the charging pile under the power demand response condition provided in Embodiment 1, and will not be repeated here.
实施例4：Example 4:
本公开实施例4提供了一种计算机可读存储介质，其上存储有程序，该程序被处理器执行时实现如本公开实施例2所述的电力需求响应条件下基于充电桩的有序充电方法中的步骤。Embodiment 4 of the present disclosure provides a computer-readable storage medium on which a program is stored, and when the program is executed by a processor, realizes the orderly charging based on charging piles under the power demand response condition described in Embodiment 2 of the present disclosure steps in the method.
实施例5：Example 5:
本公开实施例5提供了一种电子设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的程序，所述处理器执行所述程序时实现如本公开实施例2所述的电力需求响应条件下基于充电桩的有序充电方法中的步骤。Embodiment 5 of the present disclosure provides an electronic device, including a memory, a processor, and a program stored in the memory and running on the processor. When the processor executes the program, the implementation is as described in Embodiment 2 of the present disclosure. Steps in a charging pile-based orderly charging method under the power demand response condition.
本领域内的技术人员应明白，本公开的实施例可提供为方法、系统、或计算机程序产品。因此，本公开可采用硬件实施例、软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
本公开是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处 理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random AccessMemory，RAM)等。Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium. During execution, the processes of the embodiments of the above-mentioned methods may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM) or the like.
以上所述仅为本公开的优选实施例而已，并不用于限制本公开，对于本领域的技术人员来说，本公开可以有各种更改和变化。凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。The above descriptions are only preferred embodiments of the present disclosure, and are not intended to limit the present disclosure. For those skilled in the art, the present disclosure may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included within the protection scope of the present disclosure.

Claims (10)

  1. 一种电力需求响应条件下基于充电桩的有序充电系统，其特征在于：An orderly charging system based on charging piles under the condition of power demand response, characterized in that:
    包括：充电桩、充放电控制器、断路器和充放电管理终端，充电桩与断路器连接，充放电控制器分别与充电桩和断路器通信连接；Including: charging pile, charging and discharging controller, circuit breaker and charging and discharging management terminal, the charging pile is connected with the circuit breaker, and the charging and discharging controller is respectively connected with the charging pile and the circuit breaker in communication;
    充放电管理终端与充放电控制器通信连接，充放电管理终端根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。The charging and discharging management terminal is connected in communication with the charging and discharging controller. The charging and discharging management terminal obtains the combination of charging sequences according to the parameter data of the electric vehicle and the predicted value of the responsive load, and performs orderly charging control according to the obtained combination of charging sequences.
  2. 一种电力需求响应条件下基于充电桩的有序充电方法，其特征在于：包括以下过程：An orderly charging method based on charging piles under the condition of power demand response, characterized in that it includes the following processes:
    获取电动汽车和充电桩的参量数据；Obtain parameter data of electric vehicles and charging piles;
    根据获取的参量数据，利用基于密度的聚类方法对用车和充电行为进行分类；According to the obtained parametric data, use the density-based clustering method to classify the car usage and charging behavior;
    根据分类结果和电动汽车的参量数据，进行电动汽车可响应负荷预测；According to the classification results and the parameter data of the electric vehicle, predict the responsive load of the electric vehicle;
    根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。According to the parameter data of the electric vehicle and the predictable value of the responsive load, the combination of the charging sequence is obtained, and the orderly charging control is carried out according to the obtained combination of the charging sequence.
  3. 如权利要求1所述的电力需求响应条件下基于充电桩的有序充电方法，其特征在于：The orderly charging method based on charging piles under the condition of power demand response as claimed in claim 1, characterized in that:
    根据充电桩采集的用户车辆入网时间、离开时间、开始充电时间和结束充电时间，利用基于密度的聚类方法进行用车行为和充放电行的聚类。According to the user's vehicle access time, departure time, start charging time and end charging time collected by charging piles, a density-based clustering method is used to cluster vehicle behavior and charging and discharging lines.
  4. 如权利要求1所述的电力需求响应条件下基于充电桩的有序充电方法，其特征在于：The orderly charging method based on charging piles under the condition of power demand response as claimed in claim 1, characterized in that:
    电动汽车离开的时间与电力需求响应结束时间的差值大于或等于电动汽车 从最低电量到目标电量的充电时长时，电动汽车的可响应负荷为：电动汽车入网时剩余的电量与电动汽车的放电最低电量的差值。When the difference between the departure time of the electric vehicle and the end time of the electric demand response is greater than or equal to the charging time of the electric vehicle from the minimum electric quantity to the target electric quantity, the responsive load of the electric vehicle is: the remaining electric quantity when the electric vehicle is connected to the grid and the discharge of the electric vehicle The difference between the minimum power.
  5. 如权利要求1所述的电力需求响应条件下基于充电桩的有序充电方法，其特征在于：The orderly charging method based on charging piles under the condition of power demand response as claimed in claim 1, characterized in that:
    电动汽车离开的时间与电力需求响应结束时间的差值小于电动汽车从最低电量到目标电量的充电时长时，电动汽车的可响应负荷为：When the difference between the departure time of the electric vehicle and the end time of the power demand response is less than the charging time of the electric vehicle from the minimum power to the target power, the responsive load of the electric vehicle is:
    电动汽车离开的时间与电力需求响应结束时间的差值与电动汽车充电功率和电动汽车充电效率三者的乘积，再同入网时剩余的电量与电动汽车的放电最低电量的差值的加和。The difference between the time when the electric vehicle leaves and the end time of the power demand response, the product of the charging power of the electric vehicle and the charging efficiency of the electric vehicle, and the sum of the difference between the remaining power when the electric vehicle is connected to the grid and the minimum discharge power of the electric vehicle.
  6. 如权利要求1所述的电力需求响应条件下基于充电桩的有序充电方法，其特征在于：The orderly charging method based on charging piles under the condition of power demand response as claimed in claim 1, characterized in that:
    当电动汽车离网时间与电力需求响应结束时间的差值小于或等于零时，根据入网时间递增组成第一数列。When the difference between the off-grid time of the electric vehicle and the end time of the power demand response is less than or equal to zero, the first sequence is formed according to the time of connecting to the grid.
  7. 如权利要求6所述的电力需求响应条件下基于充电桩的有序充电方法，其特征在于：The orderly charging method based on charging piles under the condition of power demand response as claimed in claim 6, characterized in that:
    当电动汽车离网时间与电力需求响应结束时间的差值大于零，且小于电动车在需求响应时间段的充电时长时；When the difference between the off-grid time of the electric vehicle and the end time of the electric demand response is greater than zero and less than the charging time of the electric vehicle in the demand response period;
    电动汽车停止充电在在
    Figure PCTCN2021088180-appb-100001
    时刻充电，根据
    Figure PCTCN2021088180-appb-100002
    时间递增组成第二数列，
    Figure PCTCN2021088180-appb-100003
    为第i辆电动汽车离网时间，q i g为i辆电动汽车用户目标电量，
    Figure PCTCN2021088180-appb-100004
    为第i辆电动汽车充电功率，η为电动汽车充电效率，
    Figure PCTCN2021088180-appb-100005
    为第i辆电动汽车在需求响应时间段入网时剩余的电量；     Electric cars stop charging
    Figure PCTCN2021088180-appb-100001
    charging at all times, according to
    Figure PCTCN2021088180-appb-100002
    The time increments to form the second sequence,
    Figure PCTCN2021088180-appb-100003
    is the off-grid time of the i-th electric vehicle, q i g is the target power of the i electric vehicle user,
    Figure PCTCN2021088180-appb-100004
    is the charging power for the ith electric vehicle, η is the charging efficiency of the electric vehicle,
    Figure PCTCN2021088180-appb-100005
    is the remaining power of the i-th electric vehicle when it is connected to the network during the demand response period;
    当电动汽车离网时间与电力需求响应的结束时间的差值大于或等于电动汽 车在电力需求响应时段内的充电时长时，电动汽车停止充电，并在电力需求响应结束后的
    Figure PCTCN2021088180-appb-100006
    时刻充电，按照
    Figure PCTCN2021088180-appb-100007
    时间递增组成第三充电数列，
    Figure PCTCN2021088180-appb-100008
    为第i辆电动汽车离网时间，q i g为i辆电动汽车用户目标电量，
    Figure PCTCN2021088180-appb-100009
    为第i辆电动汽车充电功率，η为电动汽车充电效率，
    Figure PCTCN2021088180-appb-100010
    为第i辆电动汽车在需求响应时间段入网时剩余的电量；     When the difference between the off-grid time of the electric vehicle and the end time of the electric demand response is greater than or equal to the charging time of the electric vehicle within the electric demand response period, the electric vehicle stops charging, and the electric vehicle stops charging after the end of the electric demand response.
    Figure PCTCN2021088180-appb-100006
    Always charge, according to
    Figure PCTCN2021088180-appb-100007
    The time increases to form the third charging sequence,
    Figure PCTCN2021088180-appb-100008
    is the off-grid time of the i-th electric vehicle, q i g is the target power of the i electric vehicle user,
    Figure PCTCN2021088180-appb-100009
    is the charging power for the ith electric vehicle, η is the charging efficiency of the electric vehicle,
    Figure PCTCN2021088180-appb-100010
    is the remaining power of the i-th electric vehicle when it is connected to the network during the demand response period;
    电动汽车依次按照第一充电序列、第二充电序列和第三充电序列的顺序进行有序充电控制。The electric vehicle performs orderly charging control according to the sequence of the first charging sequence, the second charging sequence and the third charging sequence.
  8. 一种电力需求响应条件下基于充电桩的有序充电系统，其特征在于：包括：An orderly charging system based on charging piles under the condition of power demand response, which is characterized by: comprising:
    数据获取模块，被配置为：获取电动汽车和充电桩的参量数据；The data acquisition module is configured to: acquire the parameter data of the electric vehicle and the charging pile;
    行为分类模块，被配置为：根据获取的参量数据，利用基于密度的聚类方法对用车和充电行为进行分类；a behavior classification module, configured to: classify the vehicle usage and charging behaviors by using a density-based clustering method according to the obtained parameter data;
    负荷预测模块，被配置为：根据分类结果和电动汽车的参量数据，进行电动汽车可响应负荷预测；The load prediction module is configured to: predict the responsive load of the electric vehicle according to the classification result and the parameter data of the electric vehicle;
    充电控制模块，被配置为：根据电动汽车的参量数据和可响应负荷预测值，得到充电数列组合，根据得到的充电数列组合进行有序充电控制。The charging control module is configured to: obtain a charging sequence combination according to the parameter data of the electric vehicle and the responsive load prediction value, and perform orderly charging control according to the obtained charging sequence combination.
  9. 一种计算机可读存储介质，其上存储有程序，其特征在于，该程序被处理器执行时实现如权利要求2-7任一项所述的电力需求响应条件下基于充电桩的有序充电方法中的步骤。A computer-readable storage medium on which a program is stored, characterized in that, when the program is executed by a processor, orderly charging based on a charging pile under the power demand response condition as claimed in any one of claims 2-7 is realized steps in the method.
  10. 一种电子设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的程序，其特征在于，所述处理器执行所述程序时实现如权利要求2-7任一项所述的电力需求响应条件下基于充电桩的有序充电方法中的步骤。An electronic device, comprising a memory, a processor and a program stored in the memory and running on the processor, wherein the processor implements the program described in any one of claims 2-7 when the processor executes the program Steps in a charging pile-based orderly charging method under the power demand response condition.
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