CN118124440A - Intelligent power distribution control method and system for charging pile of new energy automobile - Google Patents
Intelligent power distribution control method and system for charging pile of new energy automobile Download PDFInfo
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Abstract
The invention discloses an intelligent power distribution control method for a charging pile of a new energy automobile, which relates to the field of power distribution automation and comprises the following steps: data acquisition is carried out on the working state of the target charging pile to obtain corresponding basic charging data, and meanwhile, data acquisition is carried out on the load state of the target area to which the corresponding target charging pile belongs to obtain corresponding basic load data; judging whether a corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, entering a step four, and if so, entering a step three; if the power distribution risk exists in the target area, intelligent scheduling is carried out on the power grid load in the corresponding target area; if the power distribution risk does not exist in the target area, safety control is carried out on the power distribution process in the corresponding target area; the invention improves the charging efficiency and the user experience.
Description
Technical Field
The invention relates to the field of power distribution automation, in particular to an intelligent power distribution control method and system for a charging pile of a new energy automobile.
Background
With the rapid development of new energy automobile markets, the corresponding charging infrastructure demands are also growing and developing new energy automobiles represented by electric automobiles, which are quite definite industrial development directions in the current society, the new energy automobiles adopt unconventional automobile fuels as power sources, such as vehicle-mounted storage batteries and the like, and the new energy automobiles are all provided with charging piles, but the assembly of the charging piles in regional power grids is the most important problem to be solved;
Compared with the prior art, the traditional charging pile power distribution control has the defects in power distribution and safety management, cannot effectively cope with the contradiction between the charging demand in the peak period and the power grid load, and lacks an intelligent safety control mechanism to prevent electric safety accidents; the intelligent power distribution control method and system for the charging pile of the new energy automobile are provided.
Disclosure of Invention
The invention aims to provide an intelligent power distribution control method and system for a charging pile of a new energy automobile.
The aim of the invention can be achieved by the following technical scheme: a new energy automobile fills electric pile intelligent power distribution control method, including the following steps:
Step one: data acquisition is carried out on the working state of the target charging pile to obtain corresponding basic charging data, and meanwhile, data acquisition is carried out on the load state of the target area to which the corresponding target charging pile belongs to obtain corresponding basic load data;
Step two: judging whether a corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, entering a step four, and if so, entering a step three;
Step three: if the power distribution risk exists in the target area, intelligent scheduling is carried out on the power grid load in the corresponding target area;
step four: and if the power distribution risk does not exist in the target area, carrying out safety control on the power distribution process in the corresponding target area.
Further, the process of acquiring the corresponding basic charging data by collecting the data of the working state of the target charging pile comprises the following steps:
setting a monitoring period, and reading the running state of the target charging pile according to the equipment number of the charging pile in the monitoring period to obtain a corresponding working state, and acquiring data of the corresponding charging pile according to the working state to obtain corresponding charging running data and reserved charging requirements;
reading the collected charging operation data, and further obtaining a first charging requirement required by corresponding charging measurement according to the collected charging operation data; and summarizing the obtained reserved charging requirements and the first charging requirements to obtain corresponding basic charging data.
Further, the process of acquiring the corresponding base load data by collecting the load state of the target area to which the corresponding target charging pile belongs includes:
Acquiring target areas of the corresponding charging piles according to equipment numbers corresponding to the corresponding charging piles, and dividing the corresponding power distribution network according to the areas to acquire a plurality of target areas;
and in the corresponding monitoring period, acquiring data of the power grid load condition in the corresponding target area, and obtaining the basic load data corresponding to the corresponding target area.
Further, the process of judging whether the power distribution risk exists in the corresponding target area according to the obtained basic load data and the basic charging data comprises the following steps:
Reading the basic load data acquired in a plurality of historical monitoring periods, and obtaining a corresponding load change curve according to the obtained basic load data;
Carrying out load prediction according to the obtained load change curve to obtain an expected load curve corresponding to the corresponding target area in the next monitoring period;
Acquiring a power supply plan of a corresponding target area, and acquiring a corresponding expected load margin curve by combining the acquired expected load curve;
Node division is carried out on the corresponding monitoring period, a plurality of time nodes with the same time interval are obtained, basic charging data corresponding to the corresponding time nodes are read, and the expected total charging requirement corresponding to the target charging pile in the corresponding time nodes is obtained according to the basic charging data;
obtaining corresponding expected load consumption data according to the obtained expected total charging demand, and calculating deviation values of the obtained expected load consumption data and expected residual load data to obtain corresponding expected load deviation;
Setting an expected deviation range, and comparing the obtained expected load deviation with the expected deviation range; and judging whether the power grid load operation of the target area has risks according to the comparison result, if not, entering the step four, and if so, entering the step three.
Further, if the target area has a power distribution risk, the process of intelligently scheduling the power grid load in the corresponding target area includes:
based on the collected charging operation data, carrying out special judgment on the charging vehicles connected with the corresponding target charging piles requiring power distribution in the corresponding time nodes;
If the corresponding charging vehicle is a special vehicle, marking the corresponding target charging pile as a first charging pile, wherein the first charging pile performs charging pile power distribution according to a first power distribution scheme;
if the corresponding charging vehicle is not a special vehicle, marking the corresponding charging pile as a second charging pile, and sequencing the marked second charging pile in priority;
And setting a second power distribution scheme for the marked second charging piles according to the obtained priority, and performing intelligent scheduling according to the second power distribution scheme.
Further, setting a second power distribution scheme for the marked second charging pile in combination with the obtained priority, and performing intelligent scheduling according to the second power distribution scheme includes:
Setting an adjustment period, and primarily adjusting the second charging piles in the target area in the corresponding adjustment period;
After the preliminary adjustment is completed, acquiring a second load requirement corresponding to a second charging pile by adopting the same method;
setting a demand threshold, and comparing a corresponding second load demand with the demand threshold, wherein the demand threshold is a difference value between the predicted residual load and the first load demand;
if the second load demand is lower than the demand threshold, carrying out power distribution control on the load state of the corresponding second charging pile according to the preliminary adjustment result;
if the second load demand is not lower than the demand threshold, reducing the charging load state of the second charging pile with high priority on the basis of preliminary adjustment, and simultaneously stopping power distribution of the second charging piles with low priority one by one according to the charging priority order, wherein the power distribution stopping means that the charging load of the corresponding second charging pile is adjusted to a silent state;
And after the adjustment is finished, continuously monitoring the corresponding requirement threshold.
Further, if the target area does not have the power distribution risk, the process of performing safety control on the power distribution process in the corresponding target area includes:
Reading a power distribution strategy corresponding to the current monitoring period, distributing power to the charging piles in the corresponding monitoring period according to the power distribution strategy, and collecting data of the corresponding charging piles to obtain charging operation data corresponding to the corresponding charging piles;
Acquiring real-time load consumption data corresponding to the corresponding charging pile in the current period according to the acquired charging operation data, and calculating deviation values of the real-time load consumption data and the corresponding estimated load consumption data to acquire corresponding actual load deviation;
Setting an actual deviation threshold, comparing the corresponding actual load deviation with the actual deviation threshold, judging whether the corresponding power distribution process meets the requirements according to the comparison result, if not, performing discharge test on the power distribution circuit of the corresponding charging pile based on direct current, and obtaining the insulation resistance value of the corresponding power distribution circuit according to the test result;
Setting a resistance threshold range, and comparing the obtained insulation resistance with a corresponding resistance threshold range; and determining the threshold range of the resistance value where the corresponding insulation resistance value is located according to the comparison result, and taking corresponding safety control measures.
Further, the intelligent power distribution control system of the new energy charging pile comprises a control center, wherein the control center is in communication connection with a data acquisition module, a data analysis module, an intelligent scheduling module and a safety control module;
The data acquisition module is used for acquiring data of the working state of the target charging pile to obtain corresponding basic charging data, and acquiring data of the load state of a target area to which the corresponding target charging pile belongs to obtain corresponding basic load data;
The data analysis module is used for judging whether the corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, safety control is carried out, and if so, intelligent scheduling is carried out;
The intelligent scheduling module is used for intelligently scheduling the load state of a target area with power distribution risk;
The safety control module is used for carrying out power distribution safety control on a target area without power distribution risk.
Compared with the prior art, the invention has the beneficial effects that:
1. The basic load data of the target area at the corresponding time node is obtained, the load demand of the charging pile in the corresponding target area at the corresponding time node is obtained at the same time, the load condition of the charging pile in the corresponding target area is intelligently scheduled according to the comparison result of the basic load data and the load demand, and the power distribution process of the corresponding charging pile is optimized, so that the rationality and the high efficiency of the power distribution of the charging pile are realized;
2. For the charging piles of the non-special vehicles, sequencing the priorities of the charging piles, and setting corresponding power distribution schemes; the charging pile with high priority is ensured to be satisfied preferentially, and meanwhile, the load condition of the charging pile with low priority is reduced, so that inconvenience brought by users due to incapability of using the charging pile is avoided; while ensuring that no unreasonable load distribution occurs during peak power usage.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
Fig. 2 is a schematic diagram of the system of the present invention.
Detailed Description
As shown in fig. 1, the intelligent power distribution control method for the charging pile of the new energy automobile comprises the following steps:
Step one: data acquisition is carried out on the working state of the target charging pile to obtain corresponding basic charging data, and meanwhile, data acquisition is carried out on the load state of the target area to which the corresponding target charging pile belongs to obtain corresponding basic load data;
Step two: judging whether a corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, entering a step four, and if so, entering a step three;
Step three: if the power distribution risk exists in the target area, intelligent scheduling is carried out on the power grid load in the corresponding target area;
Step four: if the power distribution risk does not exist in the target area, safety control is carried out on the power distribution process in the corresponding target area;
it should be further described that, in the specific implementation process, the process of acquiring the data of the working state of the target charging pile and obtaining the corresponding basic charging data includes:
Setting a monitoring period, and reading the running state of the target charging pile according to the equipment number of the charging pile in the monitoring period to obtain a corresponding working state, wherein the working state comprises a stop state, an instant charging state and a reserved charging state;
If the working state is a stop state, no other operation is performed; if the charging state is the instant charging state, collecting the operation data of the corresponding charging pile to obtain corresponding charging operation data, wherein the charging operation data comprises, but is not limited to, charging power, charging current, charging voltage, expected vehicle electric quantity charging duration and charging vehicle images of the charging pile; if the charging state is reserved, reading data of reserved charging requirements uploaded by corresponding reserved users, wherein the charging requirements include but are not limited to charging power, charging time period and vehicle type;
Reading the collected charging operation data, and further obtaining a first charging requirement required by corresponding charging measurement according to the collected charging operation data, wherein the first charging requirement refers to the charging requirement capability required when the electric quantity of the vehicle which is being charged meets the user set standard from the current moment as a starting point, and the first charging requirement comprises but is not limited to charging voltage, charging current and predicted charging time;
Summarizing the obtained reserved charging requirements and the first charging requirements to obtain corresponding basic charging data;
It should be further noted that, in the specific implementation process, the equipment number is written and stored in advance by a staff according to the installation position and the installation time of the target charging pile;
It should be further noted that, in the specific implementation process, the process of acquiring the corresponding base load data by collecting the load state of the target area to which the corresponding target charging pile belongs includes:
Obtaining target areas of the corresponding charging piles according to equipment numbers corresponding to the corresponding charging piles, and dividing the corresponding power distribution network according to the areas to obtain a plurality of target areas, wherein at least one charging pile exists in one target area;
taking a certain target area as an example, the invention performs data acquisition on the power grid load condition in the corresponding target area in a corresponding monitoring period to obtain the basic load data corresponding to the corresponding target area, wherein the basic load data comprises the power grid load condition of all electric equipment except the charging pile in the corresponding power grid area.
It should be further noted that, in the implementation process, the process of judging whether the corresponding target area has the power distribution risk according to the obtained base load data and the base charging data includes:
The method comprises the steps of reading basic load data acquired in a plurality of historical monitoring periods, constructing a two-dimensional rectangular coordinate system with total load data as a vertical axis and time as a horizontal axis according to the acquired basic load data, and mapping the corresponding total load data into a corresponding two-dimensional rectangular coordinate system to acquire a corresponding load change curve; the total load data is the sum of the power grid load states of all electric equipment in the corresponding base load data;
Carrying out load prediction according to the obtained load change curve to obtain an expected load curve corresponding to the corresponding target area in the next monitoring period;
acquiring a power supply plan of a corresponding target area, and acquiring a corresponding expected load margin curve by combining the acquired expected load curve, wherein the expected load curve refers to a change relation between expected residual load and time at a certain moment in a corresponding monitoring period;
Node division is carried out on the corresponding monitoring period to obtain a plurality of time nodes with the same time interval, basic charging data corresponding to the corresponding time nodes are read, and the predicted total charging demand corresponding to the target charging pile in the corresponding time node is obtained according to the basic charging data, wherein the predicted total charging demand refers to the sum of the predicted charging demand and the reserved charging demand of all the charging piles in the target area in the corresponding time node;
Obtaining corresponding expected load consumption data according to the obtained expected total charging demand, and calculating deviation values of the obtained expected load consumption data and expected residual load data to obtain corresponding expected load deviation;
setting an expected deviation range, and comparing the obtained expected load deviation with the expected deviation range;
if the corresponding expected load deviation is in the expected deviation range, indicating that the power grid load operation in the target area in the corresponding time node is free of any abnormality, entering a step four;
if the corresponding expected load deviation is out of the expected deviation range, indicating that overload risk exists in the power grid load operation in the target area in the corresponding time node, and entering a step III;
It should be further noted that, in the implementation process, the predicted residual load data is updated in real time according to the collected base load data.
It should be further noted that, in the implementation process, if the target area has a power distribution risk, the process of intelligently scheduling the power grid load in the corresponding target area includes:
based on the collected charging operation data, carrying out special judgment on the charging vehicles connected with the corresponding target charging piles requiring power distribution in the corresponding time nodes;
If the corresponding charging vehicle is a special vehicle, marking the corresponding target charging pile as a first charging pile, wherein the first charging pile performs charging pile power distribution according to a first power distribution scheme; wherein the special vehicle refers to a special vehicle with an emergency task; the first power distribution scheme is that a power distribution center in a corresponding power grid area distributes power to corresponding first charging piles according to normal load until the expected vehicle electric quantity of a corresponding vehicle is monitored to be full, and corresponding marks are eliminated;
Meanwhile, basic charging data corresponding to the first charging pile is read, and corresponding load requirements are obtained according to the basic charging data;
Comparing the obtained first load demand with the expected residual load of the corresponding time node, if the first load demand is lower than the load residual quantity, not performing any other operation, if the first load demand is not lower than the expected residual load, sending overload early warning to a power distribution center of the corresponding target area, and enabling a standby power supply to perform power distribution supply on the first charging piles in the corresponding target area by the power distribution center;
if the corresponding charging vehicle is not a special vehicle, marking the corresponding charging pile as a second charging pile, and sequencing the marked second charging pile in priority;
Further, setting a second power distribution scheme for the marked second charging piles in combination with the obtained priority, and performing intelligent scheduling according to the second power distribution scheme;
It should be further noted that, in the implementation process, the process of setting the second power distribution scheme for the marked second charging pile in combination with the obtained priority, and performing intelligent scheduling according to the second power distribution scheme includes:
Setting an adjustment period, and performing preliminary adjustment on the second charging pile according to the priority in the adjustment period, wherein the corresponding preliminary adjustment process comprises the following steps:
Distributing power to the second charging piles with high priority according to normal load, reducing the load condition of the second charging piles with low priority, and acquiring second load requirements corresponding to the second charging piles by adopting the same method after preliminary adjustment is completed;
setting a demand threshold, and comparing a corresponding second load demand with the demand threshold, wherein the demand threshold is a difference value between the predicted residual load and the first load demand;
If the second load demand is lower than the demand threshold, carrying out power distribution control on the load state of the corresponding second charging pile according to the preliminary adjustment result; if the second load demand is not lower than the demand threshold, reducing the charging load state of the second charging pile with high priority on the basis of preliminary adjustment, and simultaneously stopping power distribution of the second charging piles with low priority one by one according to the charging priority order, wherein the stopping power distribution means that the charging load of the corresponding second charging pile is adjusted to a silent state, namely, power distribution is continued to keep the vehicle in the charging state, but the corresponding power distribution load can not participate in load demand calculation;
After the adjustment is finished, continuously monitoring the corresponding demand threshold, and if the corresponding demand threshold is higher than the second load demand, adjusting the second charging piles to normal loads one by one according to the corresponding adjustment time before and after the second charging piles are subjected to power distribution, wherein the adjusted latest second load demand needs to be ensured to be continuously lower than the demand threshold;
If the corresponding demand threshold is still not higher than the second load demand, re-sequencing the priorities and adjusting the power distribution of the corresponding second charging piles by adopting the same method;
it should be further noted that, in the implementation process, the process of prioritizing the second charging pile includes:
And reading basic charging data of the corresponding charging pile pair pattern, obtaining the actual vehicle electric quantity and the charging duration of the corresponding charging vehicle and the expected departure time of the corresponding charging vehicle, comprehensively evaluating the actual vehicle electric quantity and the charging duration, and sequencing the priorities according to the evaluation result.
It should be further noted that, in the implementation process, if the target area does not have a power distribution risk, the process of performing safety control on the power distribution process in the corresponding target area includes:
numbering the number of the charging piles in the corresponding target area, wherein i=1, 2, … …, n, n > 0 and n is an integer;
The method comprises the steps of reading a power distribution strategy corresponding to a current monitoring period, distributing power to a charging pile i in a corresponding monitoring period according to the power distribution strategy, and collecting data of the corresponding charging pile i to obtain charging operation data corresponding to the corresponding charging pile i, wherein the power distribution strategy comprises a first power distribution scheme and a second power distribution scheme;
Acquiring real-time load consumption data corresponding to a corresponding charging pile i in a current period according to the acquired charging operation data, and calculating deviation values of the real-time load consumption data and corresponding estimated load consumption data to acquire corresponding actual load deviation;
Setting an actual deviation threshold, comparing the corresponding actual load deviation with the actual deviation threshold, and taking corresponding measures according to the comparison result;
If the actual load deviation is lower than the corresponding actual deviation threshold, indicating that the corresponding power distribution strategy can be normally executed, and not performing any other operation;
If the actual load deviation is not lower than the actual deviation threshold, indicating that the execution process of the corresponding power distribution strategy is possibly abnormal, performing discharge test on the power distribution line of the corresponding charging pile i based on the direct current voltage, and obtaining the insulation resistance value of the corresponding power distribution line according to the test result;
setting a resistance threshold range, and comparing the obtained insulation resistance with a corresponding resistance threshold range; determining a resistance threshold range where a corresponding insulation resistance is located according to a comparison result, and taking corresponding safety control measures; the resistance value range comprises a first resistance value range, a second resistance value range, a third resistance value range and a fourth resistance value range;
if the corresponding insulation resistance value is in the first resistance value range, which indicates that the load distribution condition of the corresponding power distribution process is possibly abnormal, the power distribution scheme of the corresponding charging pile i is reformulated based on the steps;
if the corresponding insulation resistance value is in the second resistance value range, indicating that the low distribution safety risk exists in the corresponding distribution process, applying a voltage lock to the voltage on the distribution circuit between the corresponding distribution center and the charging pile i, and setting the voltage lock as a primary voltage lock;
If the corresponding insulation resistance value is in the third resistance value range, which indicates that the distribution safety risk exists in the corresponding distribution process, a voltage lock is applied to the voltage on the distribution circuit between the corresponding distribution center and the charging pile i and is set as a secondary voltage lock, and the voltage lock limits certain operations to the corresponding distribution process so as to ensure safe operation. For example, when the device is in a high voltage state, the voltage lock may prohibit certain switches from being opened or certain operations from being performed to prevent accidents or damage to the device;
If the corresponding insulation resistance value is in the fourth resistance value range, which indicates that the high distribution safety risk exists in the corresponding distribution process, applying a voltage lock to a distribution circuit between the corresponding distribution center and the charging pile i and setting the voltage lock as a three-level voltage lock, and simultaneously applying the voltage lock to a charging circuit between the corresponding charging pile i and the corresponding charging measurement to achieve the purpose of power failure;
The limiting capacity of the voltage lock on the corresponding distribution line is ordered as follows: the primary voltage lock is less than the secondary voltage lock and less than the tertiary voltage lock;
Reading the application position of the corresponding voltage lock, and carrying out different early warning feedback to corresponding staff according to the application position to remind the corresponding staff to maintain or overhaul the distribution line of the corresponding charging pile i and the charging pile i;
It should be further noted that, in the implementation process, after the voltage lock is applied to the target charging pile i, the actual distribution load of the corresponding charging pile i is evaluated, the deviation between the expected loads is obtained, and the corresponding deviation loads are distributed to other charging piles, that is, the distribution schemes of the other charging piles are adjusted and updated.
As shown in fig. 2, the intelligent power distribution control system of the new energy charging pile comprises a control center, wherein the control center is in communication connection with a data acquisition module, a data analysis module, an intelligent scheduling module and a safety control module;
The data acquisition module is used for acquiring data of the working state of the target charging pile to obtain corresponding basic charging data, and acquiring data of the load state of a target area to which the corresponding target charging pile belongs to obtain corresponding basic load data;
The data analysis module is used for judging whether the corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, safety control is carried out, and if so, intelligent scheduling is carried out;
The intelligent scheduling module is used for intelligently scheduling the load state of a target area with power distribution risk;
The safety control module is used for carrying out power distribution safety control on a target area without power distribution risk.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (9)
1. The intelligent power distribution control method for the charging pile of the new energy automobile is characterized by comprising the following steps of:
Step one: data acquisition is carried out on the working state of the target charging pile to obtain corresponding basic charging data, and meanwhile, data acquisition is carried out on the load state of the target area to which the corresponding target charging pile belongs to obtain corresponding basic load data;
Step two: judging whether a corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, entering a step four, and if so, entering a step three;
Step three: if the power distribution risk exists in the target area, intelligent scheduling is carried out on the power grid load in the corresponding target area;
step four: and if the power distribution risk does not exist in the target area, carrying out safety control on the power distribution process in the corresponding target area.
2. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 1, wherein the process of acquiring the data of the working state of the target charging pile and obtaining the corresponding basic charging data comprises the following steps:
setting a monitoring period, and reading the running state of the target charging pile according to the equipment number of the charging pile in the monitoring period to obtain a corresponding working state, and acquiring data of the corresponding charging pile according to the working state to obtain corresponding charging running data and reserved charging requirements;
reading the collected charging operation data, and further obtaining a first charging requirement required by corresponding charging measurement according to the collected charging operation data; and summarizing the obtained reserved charging requirements and the first charging requirements to obtain corresponding basic charging data.
3. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 2, wherein the process of acquiring the load state of the target area to which the corresponding target charging pile belongs and obtaining the corresponding base load data comprises the following steps:
Acquiring target areas of the corresponding charging piles according to equipment numbers corresponding to the corresponding charging piles, and dividing the corresponding power distribution network according to the areas to acquire a plurality of target areas;
and in the corresponding monitoring period, acquiring data of the power grid load condition in the corresponding target area, and obtaining the basic load data corresponding to the corresponding target area.
4. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 3, wherein the process of judging whether the power distribution risk exists in the corresponding target area according to the obtained base load data and the obtained base charging data comprises the following steps:
Reading the basic load data acquired in a plurality of historical monitoring periods, and obtaining a corresponding load change curve according to the obtained basic load data;
Carrying out load prediction according to the obtained load change curve to obtain an expected load curve corresponding to the corresponding target area in the next monitoring period;
Acquiring a power supply plan of a corresponding target area, and acquiring a corresponding expected load margin curve by combining the acquired expected load curve;
Node division is carried out on the corresponding monitoring period, a plurality of time nodes with the same time interval are obtained, basic charging data corresponding to the corresponding time nodes are read, and the expected total charging requirement corresponding to the target charging pile in the corresponding time nodes is obtained according to the basic charging data;
obtaining corresponding expected load consumption data according to the obtained expected total charging demand, and calculating deviation values of the obtained expected load consumption data and expected residual load data to obtain corresponding expected load deviation;
Setting an expected deviation range, and comparing the obtained expected load deviation with the expected deviation range; and judging whether the power grid load operation of the target area has risks according to the comparison result, if not, entering the step four, and if so, entering the step three.
5. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 4, wherein if the power distribution risk exists in the target area, the process of intelligently scheduling the power grid load in the corresponding target area comprises the following steps:
based on the collected charging operation data, carrying out special judgment on the charging vehicles connected with the corresponding target charging piles requiring power distribution in the corresponding time nodes;
If the corresponding charging vehicle is a special vehicle, marking the corresponding target charging pile as a first charging pile, wherein the first charging pile performs charging pile power distribution according to a first power distribution scheme;
if the corresponding charging vehicle is not a special vehicle, marking the corresponding charging pile as a second charging pile, and sequencing the marked second charging pile in priority;
And setting a second power distribution scheme for the marked second charging piles according to the obtained priority, and performing intelligent scheduling according to the second power distribution scheme.
6. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 5, wherein the process of setting a second power distribution scheme for the marked second charging pile in combination with the obtained priority and performing intelligent scheduling according to the second power distribution scheme comprises:
Setting an adjustment period, and primarily adjusting the second charging piles in the target area in the corresponding adjustment period;
After the preliminary adjustment is completed, acquiring a second load requirement corresponding to a second charging pile by adopting the same method;
setting a demand threshold, and comparing a corresponding second load demand with the demand threshold, wherein the demand threshold is a difference value between the predicted residual load and the first load demand;
if the second load demand is lower than the demand threshold, carrying out power distribution control on the load state of the corresponding second charging pile according to the preliminary adjustment result;
if the second load demand is not lower than the demand threshold, reducing the charging load state of the second charging pile with high priority on the basis of preliminary adjustment, and simultaneously stopping power distribution of the second charging piles with low priority one by one according to the charging priority order, wherein the power distribution stopping means that the charging load of the corresponding second charging pile is adjusted to a silent state;
And after the adjustment is finished, continuously monitoring the corresponding requirement threshold.
7. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 6, wherein the process of prioritizing the second charging pile comprises the following steps:
And reading basic charging data of the corresponding charging pile pair pattern, obtaining the actual vehicle electric quantity and the charging duration of the corresponding charging vehicle and the expected departure time of the corresponding charging vehicle, comprehensively evaluating the actual vehicle electric quantity and the charging duration, and sequencing the priorities according to the evaluation result.
8. The intelligent power distribution control method for the charging pile of the new energy automobile according to claim 5, wherein if the power distribution risk does not exist in the target area, the process of safely controlling the power distribution process in the corresponding target area comprises the following steps:
Reading a power distribution strategy corresponding to the current monitoring period, distributing power to the charging piles in the corresponding monitoring period according to the power distribution strategy, and collecting data of the corresponding charging piles to obtain charging operation data corresponding to the corresponding charging piles;
Acquiring real-time load consumption data corresponding to the corresponding charging pile in the current period according to the acquired charging operation data, and calculating deviation values of the real-time load consumption data and the corresponding estimated load consumption data to acquire corresponding actual load deviation;
Setting an actual deviation threshold, comparing the corresponding actual load deviation with the actual deviation threshold, judging whether the corresponding power distribution process meets the requirements according to the comparison result, if not, performing discharge test on the power distribution circuit of the corresponding charging pile based on direct current, and obtaining the insulation resistance value of the corresponding power distribution circuit according to the test result;
Setting a resistance threshold range, and comparing the obtained insulation resistance with a corresponding resistance threshold range; and determining the threshold range of the resistance value where the corresponding insulation resistance value is located according to the comparison result, and taking corresponding safety control measures.
9. The intelligent power distribution control system for the new energy automobile charging pile is characterized by being used for realizing the intelligent power distribution control method for the new energy automobile charging pile according to any one of claims 1 to 8, and comprises a control center, wherein the control center is in communication connection with a data acquisition module, a data analysis module, an intelligent scheduling module and a safety control module;
The data acquisition module is used for acquiring data of the working state of the target charging pile to obtain corresponding basic charging data, and acquiring data of the load state of a target area to which the corresponding target charging pile belongs to obtain corresponding basic load data;
The data analysis module is used for judging whether the corresponding target area has a power distribution risk or not according to the obtained basic load data and basic charging data, if not, safety control is carried out, and if so, intelligent scheduling is carried out;
The intelligent scheduling module is used for intelligently scheduling the load state of a target area with power distribution risk;
The safety control module is used for carrying out power distribution safety control on a target area without power distribution risk.
Priority Applications (1)
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| JP2012048286A (en) * | 2010-08-24 | 2012-03-08 | Hitachi Ltd | Charge control method for electric vehicle, charge monitoring control center, on-vehicle navigation device, and power system stabilization system |
| CN114056161A (en) * | 2021-10-26 | 2022-02-18 | 许继电源有限公司 | Charging pile ordered charging system and control method |
| CN117841756A (en) * | 2023-12-29 | 2024-04-09 | 北京玖行智研交通科技有限公司 | New energy special vehicle charging control method |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012048286A (en) * | 2010-08-24 | 2012-03-08 | Hitachi Ltd | Charge control method for electric vehicle, charge monitoring control center, on-vehicle navigation device, and power system stabilization system |
| CN114056161A (en) * | 2021-10-26 | 2022-02-18 | 许继电源有限公司 | Charging pile ordered charging system and control method |
| CN117841756A (en) * | 2023-12-29 | 2024-04-09 | 北京玖行智研交通科技有限公司 | New energy special vehicle charging control method |
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