CN116667343B - Power supply management method and power supply management module - Google Patents
Power supply management method and power supply management module Download PDFInfo
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- CN116667343B CN116667343B CN202310942625.9A CN202310942625A CN116667343B CN 116667343 B CN116667343 B CN 116667343B CN 202310942625 A CN202310942625 A CN 202310942625A CN 116667343 B CN116667343 B CN 116667343B
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- 238000007726 management method Methods 0.000 title claims abstract description 45
- 238000004146 energy storage Methods 0.000 claims abstract description 32
- 230000005611 electricity Effects 0.000 claims description 51
- 238000005286 illumination Methods 0.000 claims description 21
- 238000010248 power generation Methods 0.000 claims description 17
- 230000006378 damage Effects 0.000 claims description 14
- 238000011156 evaluation Methods 0.000 claims description 13
- OIGNJSKKLXVSLS-VWUMJDOOSA-N prednisolone Chemical compound O=C1C=C[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OIGNJSKKLXVSLS-VWUMJDOOSA-N 0.000 claims description 10
- 210000004027 cell Anatomy 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 210000000352 storage cell Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 11
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
- H02J3/144—Demand-response operation of the power transmission or distribution network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
- H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
Abstract
The invention provides a power supply management method and a power supply management module based on a unit portrait, wherein the power supply management method comprises the following steps: if typhoon weather of the first region is predicted to occur in a first future time period at the current moment, obtaining predicted typhoon data corresponding to the typhoon weather; if typhoon weather occurs in the first area in the historical period, historical typhoon data corresponding to the typhoon weather in the historical period is obtained; evaluating loss risk levels for a plurality of regions within the first region by comparing the predicted typhoon data with the historical typhoon data; controlling a power supply system to start an uninterruptible power supply mode for an area where a first level is located in a first future time period according to the loss risk level; and charging the uninterruptible power supply of the power supply system through the energy storage module in a preparation time period. The invention solves the technical problem that the traditional power supply system has poor power supply stability in extreme weather and low power supply efficiency due to the fact that the power supply management measures of the traditional power supply system against the extreme weather are not perfect enough.
Description
Technical Field
The invention relates to the technical field of power supply management, in particular to a power supply management method and a power supply management module.
Background
Conventional power supply systems often take action passively when subjected to extreme weather. For example, when the extreme weather is typhoon weather, local power supply equipment is easily damaged due to strong rainfall and strong wind power caused by typhoon weather, and thus, the power supply of the power supply system to the area is forced to be interrupted. Because the power interruption belongs to unexpected occurrence, the power supply system can passively take corresponding emergency measures only after the unexpected occurrence of the power interruption, and the emergency measures are specifically shown as actively cutting off the power supply to the area after the unexpected occurrence of the power interruption, the situation that the corresponding damaged power supply equipment still receives the power supply from the power supply system after the unexpected occurrence of the power interruption, and the damage to the surrounding environment caused by electric leakage is easy to cause, so that potential safety hazards are formed.
Briefly, in the related art, there is at least one of the following problems: the traditional power supply system is insufficient in power supply management measures against extreme weather, so that the power supply stability of the traditional power supply system in extreme weather is poor, and the power supply efficiency is low.
Disclosure of Invention
The invention solves the technical problem that the traditional power supply system has poor power supply stability in extreme weather and low power supply efficiency due to the fact that the power supply management measures of the traditional power supply system against the extreme weather are not perfect enough.
In order to solve the above problems, the present invention provides a power supply management method, which is applied to a power supply system for supplying power to a plurality of power utilization objects registered with power utilization identity information in a first region, and the power supply system includes an uninterruptible power supply mode; the power supply management method comprises the following steps: if typhoon weather of the first region is predicted to occur in a first future time period at the current moment, obtaining predicted typhoon data corresponding to the typhoon weather; defining a time period between the current moment and the first future time period as a preparation time period; if typhoon weather occurs in the first area in the historical period, historical typhoon data corresponding to the typhoon weather in the historical period is obtained; evaluating loss risk levels for a plurality of regions within the first region by comparing the predicted typhoon data with the historical typhoon data; the loss risk level sequentially comprises a first level, a second level and a third level from the high to the low according to the severity of damage to local power supply equipment corresponding to each area of the power supply system; charging an uninterruptible power supply of a power supply system through an energy storage module in a preparation time period; and controlling the power supply system to start an uninterruptible power supply mode for the area where the first level is located in a first future time period according to the loss risk level.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after the loss risk level is identified for each region in the first region, the power supply management mode of the power supply system in the first future time period is controlled according to the loss risk level, so that the conventional power supply mode is actively converted into the power supply mode for the region with high loss risk level to supply power, the unstable power supply caused by passive power failure is effectively avoided, the power supply stability of the power supply system under extreme weather is improved, the accidental risk caused by insufficient power supply is reduced, the power supply efficiency of the power supply system is improved, particularly the power supply efficiency of the region with high loss risk level is improved, the uninterrupted power supply of the power supply system is charged by the energy storage module in the preparation time period, and the stable power supply of the region is ensured to be supplied by the uninterrupted power supply in the first future time period.
In one example of the present invention, a region where a first level is located is defined as a first region, a region where a second level is located is a second region, and a region where a third level is located is a third region; evaluating loss risk levels for a plurality of regions within a first region by comparing predicted typhoon data to historical typhoon data, comprising: if the deviation value of the predicted typhoon path in the predicted typhoon data and the historical typhoon path in the historical typhoon data in the first region is smaller than or equal to a preset deviation value, and the wind power difference value of the predicted typhoon wind power in the predicted typhoon data and the historical typhoon wind power in the historical typhoon data falls within a preset wind power difference range, the loss risk level estimated in the historical period is used for each region in the first future time period; if the deviation value is smaller than or equal to the preset deviation value and the wind power difference value does not fall into the preset wind power difference range, correcting the loss risk level obtained by historical period evaluation; and if the deviation value is larger than the preset deviation value, evaluating loss risk levels of the areas in the first future time period according to the predicted typhoon data and the historical typhoon data.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: in order to accurately evaluate loss risk levels of a plurality of areas in a first future time period, the technical scheme introduces two parameters of typhoon path combination and typhoon wind power. Thus, by comparing the predicted typhoon data in the first future period with the historical typhoon data in the historical period, the difference therebetween can be more accurately calculated, and the predicted typhoon data is combined on the basis of making the evaluation of the loss risk level made to the plurality of areas in the historical period by correlating the historical typhoon data with the loss risk level made to the plurality of areas in the historical period to correct or maintain the evaluation result of the loss risk level made to the plurality of areas in the historical period.
In one example of the invention, a predicted typhoon wind force is defined as F1, a historical typhoon wind force is defined as F2, a wind difference value is delta F, delta F= |F1-F2|; the preset wind power difference range is k2 less than or equal to delta F less than or equal to k1, k2 is the lower limit value of the preset wind power difference range, and k1 is the upper limit value of the preset wind power difference range; when the deviation value is smaller than or equal to the preset deviation value, if F1 is larger than F2 and delta F is larger than k1, the second area is corrected to be a third area, and the first area is corrected to be the second area; if F1 > F2 or F1 < F2, and ΔF < k2, then continuing the estimated loss risk level in the historical period for each region over the first future time period; if F1 is less than F2 and DeltaF is greater than k1, the third region is corrected to be the second region, and the second region is corrected to be the first region.
In one example of the present invention, the plurality of electricity identity information includes a primary electricity load and a secondary electricity load distinguished by different electricity usage, the primary electricity load being industrial electricity and the secondary electricity load being domestic electricity; controlling the power supply system to start an uninterruptible power supply mode for the area where the first level is located in a first future time period according to the loss risk level, including: judging whether a first area corresponding to a first level has a power failure risk or not in a first future time period; if yes, judging whether a plurality of secondary power loads in the first area meet potential cooperation conditions or not; if yes, the power supply system is controlled to send an electric quantity allocation offer signal to the potential cooperative object at the current moment; the potential cooperation object is a secondary power load meeting the potential cooperation condition; if the potential cooperative object receives an offer agreement in the electric quantity allocation offer signal, controlling to reduce or stop the secondary power supply quantity of the potential cooperative object in a first future time period, and marking the potential cooperative object as a willingness cooperative object; after judging that the electric quantity allocation offer signal is successfully transmitted, adding a primary cooperation mark to a secondary power load where a willing cooperation object is located in a power supply system; power supply priority at a second future time in the plurality of secondary power loads is adjusted based on the number of generated collaboration marks.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: in order to avoid the dissatisfaction of a user caused by directly cutting off the power supply to the secondary power utilization load under the condition of insufficient power storage capacity of the uninterruptible power supply, the power supply system can send out a power allocation offer signal to the secondary power utilization load meeting the potential cooperation condition in a plurality of secondary power utilization loads. The power allocation offer signal specifically includes explanation of the reason for reducing power supply to the power allocation offer signal, such as explanation of priority power supply to the primary power load. Facilitating to enable the electricity consumption object receiving the electricity allocation offer signal to learn the reason of the limited electricity so as to reduce the dissatisfaction caused by the limited electricity consumption of the electricity consumption object under the condition of not being notified; in addition, to compensate for the loss caused by the active power-off of the willingness partner, the power supply priority of the willingness partner to other secondary power loads is increased in the second future time, and in particular, when the number of the cooperative marking times of the willingness partner is larger, the power supply priority in a plurality of willingness partners is higher. Wherein, the power supply priority of the secondary power consumption load with the cooperation mark times is larger than the power supply priority of the secondary power consumption load without the cooperation mark times.
In one example of the present invention, the power supply system further includes a conventional power supply mode that supplies power to the first area by way of overhead cable; the uninterruptible power supply arranged in the first area supplies power for a plurality of primary power utilization loads and secondary power utilization loads through the buried cable; controlling to reduce or stop secondary power to the potential partner for a first future period of time and marking the potential partner as a willingness partner includes: when the power failure risk exists in the conventional power supply mode, the uninterruptible power supply mode is started to replace the conventional power supply mode to supply power to the primary power utilization load positioned in the first area; if the maintenance time length of typhoon weather is longer than the total power supply time length of the uninterruptible power supply which supplies power with rated power, adjusting the power supply priority of the uninterruptible power supply to any one of the first-level power utilization loads to be higher than the power supply priority of the uninterruptible power supply to the second-level power utilization loads; wherein the power supply priority of the willingness cooperative object to be supplied by the uninterruptible power supply in the first future time period is lower than any one of the plurality of secondary power utilization loads, and/or the power supply priority of the willingness cooperative object in the second future time period is higher than any one of the plurality of remaining secondary power utilization loads as the number of cooperation marks is larger.
In one example of the present invention, the area where the second level is located is defined as a second area, and the area where the third level is located is defined as a third area; determining whether a plurality of secondary electrical loads located within a first region satisfy a potential collaboration condition includes: if not, whether the plurality of secondary power loads positioned in the second area and/or the third area meet the potential cooperation condition or not in the preparation time period; if yes, the power supply system is controlled to send an electric quantity allocation offer signal to the potential cooperative object at the current moment; if the potential cooperative object receives an offer agreement in the electric quantity allocation offer signal, controlling to reduce or stop the secondary power supply quantity of the potential cooperative object in a first future time period, and marking the potential cooperative object as a willingness cooperative object; after judging that the electric quantity allocation offer signal is successfully transmitted, adding a primary cooperation mark to a secondary power load where a willing cooperation object is located in a power supply system; power supply priority at a second future time in the plurality of secondary power loads is adjusted based on the number of generated collaboration marks.
In one example of the invention, an energy storage module includes a solar panel assembly and an energy storage cell; charging an uninterruptible power supply of a power supply system through an energy storage module during a preparation period, comprising: detecting and acquiring illumination information in a preparation time period; wherein the illumination information includes illumination intensity and illumination duration associated with the illumination intensity; predicting the pre-stored power generation amount of the energy storage module in a preparation time period according to the illumination information; judging whether the electricity consumption demand of the area where the first level is located is met in a first future time period according to the pre-stored electricity generation amount; if not, the energy storage module is subjected to supplementary charging through a conventional power supply mode of the power supply system; if yes, only absorbing the light energy collected by the corresponding illumination information by the solar panel assembly, converting the light energy into electric energy, and charging the energy storage battery cell; wherein, the conventional power supply mode comprises power generation by a thermal power generation mode.
In one example of the present invention, controlling the power supply system to start an uninterruptible power supply mode for an area where the first level is located in a first future time period according to the loss risk level includes: judging whether the second area and/or the third area meet the condition of starting wind energy power supply according to the predicted typhoon data; if yes, the power supply system is controlled to generate a wind energy operation instruction at the current moment, and the power supply system is controlled to start a wind energy power supply mode of the power supply system according to the wind energy operation instruction in a first future time period.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: in particular, since the second region and the third region are smaller in wind force caused by typhoons than the first region, and are larger than in normal weather. The wind power supply condition is characterized in that the wind power of the wind power supply equipment can not be lower than the wind power of the lowest power generation and the wind power of the safe power generation. It will be appreciated that if the wind is lower than the lowest generated wind, the power generation efficiency is too low, whereas if it is higher than the safe generated wind, the wind power generation equipment is easily damaged. Therefore, when the wind energy power supply condition is met, the wind power utilization rate of typhoon weather is improved, and the effect of new energy power supply is achieved.
On the other hand, the invention also provides a power supply management module which is applied to a power supply system, wherein the power supply system is used for supplying power to a plurality of power utilization objects registered with power utilization identity information in a first region, and comprises a wind energy power supply mode and an uninterruptible power supply mode; the power supply management module includes: the prediction module is used for predicting whether typhoon weather occurs in the first region in a first future time period at the current moment; defining a time period between the current moment and the first future time period as a preparation time period; the acquisition module is used for acquiring the predicted typhoon data corresponding to the typhoon weather and acquiring the historical typhoon data corresponding to the typhoon weather in the historical period in the first region; the assessment module is used for assessing loss risk levels of a plurality of areas in the first area by comparing the predicted typhoon data with the historical typhoon data; the loss risk level sequentially comprises a first level, a second level and a third level from the high to the low according to the severity of damage to local power supply equipment corresponding to each area of the power supply system; the first control module is used for controlling the power supply system to start an uninterruptible power supply mode for the area where the first level is located and start a wind energy power supply mode for the area where the second level and/or the third level is located in a first future time period according to the loss risk level; and the second control module is used for charging the uninterrupted power supply of the power supply system through the energy storage module in a preparation time period.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the technical effects corresponding to any of the above examples can be achieved, and will not be described herein.
After the technical scheme of the invention is adopted, the following technical effects can be achieved:
(1) The power supply system has the advantages that the stability of the power supply system to power supply under extreme weather is improved, the accident risk caused by insufficient power supply is reduced, the power supply efficiency of the power supply system is improved, particularly the power supply efficiency of an area with high loss risk level is improved, the uninterrupted power supply of the power supply system can be charged by the energy storage module in a preparation time period, and the uninterrupted power supply can supply power for the area stably in a first future time period.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;
fig. 1 is a flow chart of a power supply management method according to a first embodiment of the present invention;
Fig. 2 is a schematic module connection diagram of a power supply management module according to a second embodiment of the present invention;
reference numerals illustrate:
100. a power supply management module; 110. a prediction module; 120. an acquisition module; 130. an evaluation module; 140. a first control module; 150. and a second control module.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Referring to fig. 1, a flow chart of a power supply management method according to an embodiment of the invention is shown. The power supply management method is applied to a power supply system, the power supply system is used for supplying power to a plurality of power utilization objects registered with power utilization identity information in a first region, and the power supply system comprises an uninterruptible power supply mode; the power supply management method specifically comprises the following steps:
step S1, if typhoon weather of a first region is predicted at the current moment to occur in a first future time period, obtaining predicted typhoon data corresponding to the typhoon weather; the time period between the current time and the first future time period is defined as a preparation time period.
For example, the predicted typhoon data is obtained at the current moment, and a transition time period exists between typhoons, namely a preparation time period mentioned in the technical scheme; the first future time period is understood to be a time period which is in typhoon weather or which continues typhoon weather after the preparation time period.
And S2, if typhoon weather occurs in the first region in the historical period, acquiring historical typhoon data corresponding to the typhoon weather in the historical period.
Specifically, the historical typhoon data is recorded in a historical database of the first region, and the historical database is recorded with each historical typhoon data of the local area, namely, typhoon weather of the first region occurs in a historical period. Further, historical typhoon data corresponding to typhoon weather in a historical period are obtained, and the historical typhoon data and the predicted typhoon data are compared, so that the power supply system can accurately and actively take corresponding power supply management actions.
It can be appreciated that conventional power supply systems tend to take action passively when subjected to extreme weather. For example, when the extreme weather is typhoon weather, local power supply equipment is easily damaged due to strong rainfall and strong wind power caused by typhoon weather, and thus, the power supply of the power supply system to the area is forced to be interrupted. Because the power interruption belongs to unexpected occurrence, the power supply system can passively take corresponding emergency measures only after the unexpected occurrence of the power interruption, and the emergency measures are specifically shown as actively cutting off the power supply to the area after the unexpected occurrence of the power interruption, the situation that the corresponding damaged power supply equipment still receives the power supply from the power supply system after the unexpected occurrence of the power interruption, and the damage to the surrounding environment caused by electric leakage is easy to cause, so that potential safety hazards are formed. In short, the conventional power supply system is not perfect enough in power supply management measures against extreme weather, so that the power supply system is poor in power supply stability and low in power supply efficiency when subjected to the extreme weather.
Step S3, evaluating loss risk levels of a plurality of areas in the first area by comparing the predicted typhoon data with the historical typhoon data; the damage risk level is a first level, a second level and a third level in sequence from large to small according to the severity of damage to local power supply equipment in each area corresponding to the power supply system.
In particular, since loss caused by typhoon landing is not accurate enough on the local side only by virtue of the wind power level of the typhoon landing, loss caused by landing is difficult to evaluate accurately due to the complexity of typhoon weather. Thus, by introducing the historical typhoon data and comparing it with the predicted typhoon data on the basis of referencing the historical typhoon data, the loss risk level of each region in the first region within the first future time period can be more accurately and intuitively estimated.
For example, when there is an area evaluated as the third level, it may indicate that the area does not have a risk of power outage, that is, typhoons land on the first area, and the impact on the area is small; when the first-level region appears, the region is understood to be the region with the most serious loss caused by typhoons in the typhoon login process, that is, the loss caused by typhoons to the region is the largest. Correspondingly, the second level is a loss risk level between the first level and the third level.
Of course, the loss is embodied in, for example, economic loss caused by typhoons on the area, or damage to houses, and the influence degree of the power supply system on the area, for example, the loss risk level indicated by the occurrence of power outage in one area is higher than the loss risk level of no power outage in the other area, for example, the loss risk level of power outage is a first level, the loss risk level of no power outage is a third level, and then the loss risk level of the first level is higher than the loss risk level of the third level.
Step S4, charging an uninterruptible power supply of a power supply system through an energy storage module in a preparation time period;
in combination with the above, in order to improve the power supply efficiency of the power supply system, especially to improve the power supply efficiency of the area with high loss risk level, the uninterruptible power supply of the power supply system can be charged by the energy storage module in the preparation time period, so that stable power supply of the area by the uninterruptible power supply in the first future time period is ensured.
It should be clear that the above mentioned outage due to typhoon weather effects is from a conventional power mode in the power supply system, which is mainly dependent on the cable overhead mode for power supply, whereas the uninterruptible power supply mode for power supply with the uninterruptible power supply is dependent on the buried cable transmission power independent from the cable overhead mode. It will be appreciated that the normal power mode is powered off or not, and will not affect the on of the ups power mode.
Further, in order to save electricity, the operation load of the power supply system is prevented from being increased. In normal weather except extreme weather, the power supply system is powered by a conventional power supply mode, so that the uninterruptible power supply is kept in a shutdown or standby state, and the power supply system is required to actively switch the power supply mode in time, namely to actively cut off the conventional power supply mode and switch to power supply by the uninterruptible power supply mode only when the extreme weather, such as typhoon weather, is faced, so that the power supply system has a power failure risk, namely a power failure risk, in order to reduce the influence of power failure on a user as much as possible and the safety problem caused by damage to the power supply equipment.
However, it should be noted that the ups is limited by a large energy loss of the stored energy, and it is difficult to maintain the efficient energy storage efficiency of the ups for a long time on the basis of cutting off the power supply to the ups. And, the energy storage efficiency of the uninterruptible power supply is related to the charge and discharge times, and the more the charge and discharge times are, the lower the energy storage efficiency is, namely the stored electric energy is reduced along with the time under the condition that the uninterruptible power supply does not accept charge and output electricity. Therefore, considering the above, only when the extreme weather is faced, it is considered to turn on the uninterruptible power supply mode again to maintain the power supply to the region with a higher loss risk level in the first region.
And S5, controlling the power supply system to start an uninterruptible power supply mode for the area where the first level is located in a first future time period according to the loss risk level.
Preferably, the area where the first level is located is defined as a first area, the area where the second level is located is a second area, and the area where the third level is located is a third area;
evaluating loss risk levels for a plurality of regions within a first region by comparing predicted typhoon data to historical typhoon data, comprising:
if the deviation value of the predicted typhoon path in the predicted typhoon data and the historical typhoon path in the historical typhoon data in the first region is smaller than or equal to a preset deviation value, and the wind power difference value of the predicted typhoon wind power in the predicted typhoon data and the historical typhoon wind power in the historical typhoon data falls within a preset wind power difference range, the loss risk level estimated in the historical period is used for each region in the first future time period;
if the deviation value is smaller than or equal to the preset deviation value and the wind power difference value does not fall into the preset wind power difference range, correcting the loss risk level obtained by historical period evaluation;
and if the deviation value is larger than the preset deviation value, evaluating loss risk levels of the areas in the first future time period according to the predicted typhoon data and the historical typhoon data.
Based on the foregoing, it can be seen that the present technical solution focuses on adjusting the power supply mode of the power supply system in the first future time period according to the difference of the loss risk levels in the first region, so as to ensure that the region with the high loss risk level can also receive the power supply of the power supply system, that is, reduce the risk of power outage occurring during the power supply to the region, for example, the region with the higher loss risk level is the first region.
Thus, in a specific example, to facilitate accurate assessment of loss risk levels for multiple regions over a first future time period, the present solution combines two parameters of typhoon path and typhoon force by introducing. Thus, by comparing the predicted typhoon data in the first future period with the historical typhoon data in the historical period, the difference therebetween can be more accurately calculated, and the predicted typhoon data is combined on the basis of making the evaluation of the loss risk level made to the plurality of areas in the historical period by correlating the historical typhoon data with the loss risk level made to the plurality of areas in the historical period to correct or maintain the evaluation result of the loss risk level made to the plurality of areas in the historical period.
Therefore, the situation that the deviation between the predicted typhoon data and the historical typhoon data is too large is avoided, and the power supply system still causes misjudgment on the power supply management mode in the first future time period according to the evaluation result of the historical period, so that the power supply management mode deviates from the actual situation, and the power supply efficiency of the power supply system is reduced. For example, the erroneous determination is embodied as being evaluated as the first area in the historical period, the conclusion extends to the first future period, and the third area is actually obtained according to the predicted typhoon data, then the uninterrupted power supply is caused to start to supply power to the area, and the power supply system is caused to switch to the uninterrupted power supply mode for the area because the area does not have the power failure risk in the first future period, so that the power supply management is unreasonable.
In contrast, if the erroneous judgment is specifically evaluated as the third area in the historical period, the conclusion extends to the first future period, and the first area is actually obtained according to the predicted typhoon data, then the power supply is maintained in the normal power supply mode for the area, and the power supply system still maintains the normal power supply mode due to the fact that the area has the power failure risk in the first future period, so that the power failure condition occurs due to the damage of local power supply equipment in the area under the influence of typhoons, the power supply management is unreasonable, the power supply management efficiency of the power supply system is reduced, and the power consumption experience of a user is reduced.
Therefore, the technical scheme realizes that the historical typhoon data and the predicted typhoon data are combined to update the loss risk levels of a plurality of areas, and improves the power supply management efficiency of the power supply system.
Preferably, the predicted typhoon wind power is defined as F1, the historical typhoon wind power is defined as F2, the wind power difference value is delta F, delta F= |F1-F2|; the preset wind power difference range is k2 less than or equal to delta F less than or equal to k1, k2 is the lower limit value of the preset wind power difference range, and k1 is the upper limit value of the preset wind power difference range;
in the case where the deviation value is equal to or less than the preset deviation value,
If F1 is more than F2 and delta F is more than k1, the second area is corrected to be a third area, and the first area is corrected to be a second area;
if F1 > F2 or F1 < F2, and ΔF < k2, then continuing the estimated loss risk level in the historical period for each region over the first future time period;
if F1 is less than F2 and DeltaF is greater than k1, the third region is corrected to be the second region, and the second region is corrected to be the first region.
In combination with the above, it is understood that the parameters of influence of evaluating the magnitude of the loss caused by typhoons are numerous, resulting in great complexity. Thus, for simplicity of understanding, the present solution focuses on expanding on typhoon paths and typhoon wind power sizes in typhoon data.
It should be noted that the multiple regions are all first regions after evaluation, or include the first region, the second region, and the third region in sequence. In particular, the actual evaluation result is determined.
Preferably, the plurality of electricity identity information comprises a primary electricity load and a secondary electricity load which are distinguished by different electricity usage, wherein the primary electricity load is industrial electricity, and the secondary electricity load is domestic electricity;
controlling the power supply system to start an uninterruptible power supply mode for the area where the first level is located in a first future time period according to the loss risk level, including:
Judging whether a first area corresponding to a first level has a power failure risk or not in a first future time period;
if yes, judging whether a plurality of secondary power loads in the first area meet potential cooperation conditions or not;
if yes, the power supply system is controlled to send an electric quantity allocation offer signal to the potential cooperative object at the current moment; the potential cooperation object is a secondary power load meeting the potential cooperation condition;
if the potential cooperative object receives an offer agreement in the electric quantity allocation offer signal, controlling to reduce or stop the secondary power supply quantity of the potential cooperative object in a first future time period, and marking the potential cooperative object as a willingness cooperative object;
after judging that the electric quantity allocation offer signal is successfully transmitted, adding a primary cooperation mark to a secondary power load where a willing cooperation object is located in a power supply system;
power supply priority at a second future time in the plurality of secondary power loads is adjusted based on the number of generated collaboration marks.
In a specific example, a power supply system can be understood as a common power station for supplying power to the respective region, i.e. a mains system. Specifically, the registered electricity identity information includes, for example, commercial electricity information, civil electricity information, and industrial electricity information. The electricity consumption objects matched with the electricity consumption of the commercial electricity are, for example, markets, office buildings and the like; the electricity object of civil electricity information is a house; the electric object of the industrial electric information is, for example, a factory or the like.
Further, as described above, when there is a risk of power failure in the first area, the ups power mode needs to be started to supply power to the first area. However, considering that the ups power mode is powered by the ups, the stored power is less, and in combination with the energy storage loss, to avoid significant losses caused by insufficient power to the primary power load, it is necessary to establish a power priority for the primary power load and the secondary power load during the first future time period. In short, it is established that the power supply priority to the primary power consumption load is higher than the power supply priority to the secondary power consumption load.
It should be explained that the economic loss caused by accidental power failure of the primary power load is far greater than the loss caused by accidental power failure of the secondary power load. For example, the primary electrical load may be a large hospital, a steelworks, a mine, etc., and when the power supply is interrupted, for example, a significant economic loss is caused, such as an interruption of the power supply will cause personal injury or damage to the main equipment and be difficult to repair for a long period of time, while the secondary electrical load may be, for example, an air conditioner, an advertisement lighting, an electric water heater, a clean power supply, a shop consumer, and when the power supply is removed, an economic loss is caused, but the result of the power supply to the secondary electrical load is predictable and controllable compared to the above-mentioned influence on the power supply to the primary electrical load.
Further, in order to avoid the dissatisfaction of the user caused by directly cutting off the power supply to the secondary power consumption load under the condition of insufficient power storage capacity of the uninterruptible power supply, the power supply system can generate a power allocation offer signal for the secondary power consumption load meeting the potential cooperation condition in the plurality of secondary power consumption loads. The power allocation offer signal specifically includes explanation of the reason for reducing power supply to the power allocation offer signal, such as explanation of priority power supply to the primary power load. The method is convenient for the electricity consumption object receiving the electricity allocation offer signal to learn the reason of limited electricity so as to reduce the condition that the electricity consumption object is limited electricity to cause dissatisfaction without being notified.
Further, the definition of the potential collaboration condition is specifically: and judging whether the two-stage power utilization loads meet the potential cooperation condition according to the power utilization conditions of the two-stage power utilization loads in the past period. It can be understood that if the secondary power load has a large power consumption in the past period or is understood to have a high dependency on the power consumption, and if the secondary power load is powered off or subjected to power limiting processing, a large loss is caused to the secondary power load, so that, in combination with the analysis content, the power consumption object never receives the power allocation request signal, but the technical scheme can power the secondary power load under the power supply logic of the power supply priority, so that when the primary power load is powered off, the secondary power load which does not receive the power allocation request signal is transmitted to the power consumption object, and likewise, the power limitation signal comprises an explanation of the power supply priority of the primary power load for giving power consumption, and an explanation of the power supply priority of the secondary power load which receives the power allocation request signal in the second future time, so that, on one hand, the dissatisfied emotion of the power consumption object, which is limited, on the other secondary power loads which are reflected in the second future time of the active power supply, are known by the power consumption system, and the power supply request effect of the power allocation request is encouraged by the power consumption signal is achieved.
Further, to compensate for the loss caused by the active power-off of the willingness partner, the power supply priority of the willingness partner to other secondary power loads is increased in the second future time, and in particular, when the number of the cooperation marks of the willingness partner is larger, the power supply priority in the numerous willingness partners is higher. Wherein, the power supply priority of the secondary power consumption load with the cooperation mark times is larger than the power supply priority of the secondary power consumption load without the cooperation mark times.
Preferably, the power supply system further comprises a conventional power supply mode, wherein the conventional power supply mode supplies power to the first area in an overhead cable mode; the uninterruptible power supply arranged in the first area supplies power for a plurality of primary power utilization loads and secondary power utilization loads through the buried cable;
controlling to reduce or stop secondary power to the potential partner for a first future period of time and marking the potential partner as a willingness partner includes:
when the power failure risk exists in the conventional power supply mode, the uninterruptible power supply mode is started to replace the conventional power supply mode to supply power to the primary power utilization load positioned in the first area;
If the maintenance time length of typhoon weather is longer than the total power supply time length of the uninterruptible power supply which supplies power with rated power, adjusting the power supply priority of the uninterruptible power supply to any one of the first-level power utilization loads to be higher than the power supply priority of the uninterruptible power supply to the second-level power utilization loads;
wherein the power supply priority of the willingness cooperative object to be supplied by the uninterruptible power supply in the first future time period is lower than any one of the plurality of secondary power utilization loads, and/or the power supply priority of the willingness cooperative object in the second future time period is higher than any one of the plurality of remaining secondary power utilization loads as the number of cooperation marks is larger.
Preferably, the area where the second level is located is defined as a second area, and the area where the third level is located is defined as a third area;
determining whether a plurality of secondary electrical loads located within a first region satisfy a potential collaboration condition includes:
if not, whether the plurality of secondary power loads positioned in the second area and/or the third area meet the potential cooperation condition or not in the preparation time period;
if yes, the power supply system is controlled to send an electric quantity allocation offer signal to the potential cooperative object at the current moment;
if the potential cooperative object receives an offer agreement in the electric quantity allocation offer signal, controlling to reduce or stop the secondary power supply quantity of the potential cooperative object in a first future time period, and marking the potential cooperative object as a willingness cooperative object;
After judging that the electric quantity allocation offer signal is successfully transmitted, adding a primary cooperation mark to a secondary power load where a willing cooperation object is located in a power supply system;
power supply priority at a second future time in the plurality of secondary power loads is adjusted based on the number of generated collaboration marks.
It can be understood that the power allocation offer logic for the power supply priority of the first area is the same as the power allocation offer logic for the power supply priority of the second area and the third area, and will not be described here again.
Preferably, the energy storage module comprises a solar panel assembly and an energy storage cell; charging an uninterruptible power supply of a power supply system through an energy storage module during a preparation period, comprising:
detecting and acquiring illumination information in a preparation time period; wherein the illumination information includes illumination intensity and illumination duration associated with the illumination intensity;
predicting the pre-stored power generation amount of the energy storage module in a preparation time period according to the illumination information;
judging whether the electricity consumption demand of the area where the first level is located is met in a first future time period according to the pre-stored electricity generation amount;
if not, the energy storage module is subjected to supplementary charging through a conventional power supply mode of the power supply system;
If yes, only absorbing the light energy collected by the corresponding illumination information by the solar panel assembly, converting the light energy into electric energy, and charging the energy storage battery cell;
wherein, the conventional power supply mode comprises power generation by a thermal power generation mode.
Preferably, the step of controlling the power supply system to start the uninterruptible power supply mode for the area where the first level is located in the first future time period according to the loss risk level includes:
judging whether the second area and/or the third area meet the condition of starting wind energy power supply according to the predicted typhoon data;
if yes, the power supply system is controlled to generate a wind energy operation instruction at the current moment, and the power supply system is controlled to start a wind energy power supply mode of the power supply system according to the wind energy operation instruction in a first future time period.
In particular, since the second region and the third region are smaller in wind force caused by typhoons than the first region, and are larger than in normal weather. The wind power supply condition is characterized in that the wind power of the wind power supply equipment can not be lower than the wind power of the lowest power generation and the wind power of the safe power generation. It will be appreciated that if the wind is lower than the lowest generated wind, the power generation efficiency is too low, whereas if it is higher than the safe generated wind, the wind power generation equipment is easily damaged. Therefore, when the wind energy power supply condition is met, the wind power utilization rate of typhoon weather is improved, and the effect of new energy power supply is achieved.
Embodiment two:
fig. 2 is a schematic block diagram of a power management module 100 according to a second embodiment of the present invention. The power supply management module 100 is applied to a power supply system for supplying power to a plurality of power utilization objects registered with power utilization identity information in a first region, and the power supply system includes a wind power supply mode and an uninterruptible power supply mode; the power management module 100 includes, for example, a prediction module 110, an acquisition module 120, an evaluation module 130, a first control module 140, and a second control module 150. The prediction module 110 is configured to predict, at the current time, whether typhoon weather occurs in the first region within a first future time period; defining a time period between the current moment and the first future time period as a preparation time period; the obtaining module 120 is configured to obtain predicted typhoon data corresponding to typhoon weather, and obtain historical typhoon data corresponding to typhoon weather in a historical period in the first region; the evaluation module 130 is configured to evaluate loss risk levels of a plurality of regions within the first region by comparing the predicted typhoon data with the historical typhoon data; the loss risk level sequentially comprises a first level, a second level and a third level from the high to the low according to the severity of damage to local power supply equipment corresponding to each area of the power supply system; the first control module 140 is configured to control the power supply system to start an uninterruptible power supply mode for an area where the first level is located and start a wind energy power supply mode for an area where the second level and/or the third level is located in a first future time period according to the loss risk level; the second control module 150 is used to charge the uninterruptible power supply of the power supply system through the energy storage module during the preparation period.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (8)
1. A power supply management method, characterized in that the power supply management method is applied to a power supply system for supplying power to a plurality of power utilization objects registered with power utilization identity information in a first region, and the power supply system includes an uninterruptible power supply mode; the power supply management method comprises the following steps:
if typhoon weather of the first region is predicted to occur in a first future time period at the current moment, obtaining predicted typhoon data corresponding to the typhoon weather; defining a time period between the current moment and the first future time period as a preparation time period;
if the typhoon weather occurs in the first area in the historical period, acquiring historical typhoon data corresponding to the typhoon weather in the historical period;
evaluating a loss risk level for a plurality of regions within the first region by comparing the predicted typhoon data with the historical typhoon data; the loss risk level sequentially comprises a first level, a second level and a third level from large to small according to the severity of damage to local power supply equipment in each area corresponding to the power supply system;
Charging an uninterruptible power supply of the power supply system through an energy storage module in the preparation time period;
controlling the power supply system to start the uninterruptible power supply mode for the area where the first level is located in the first future time period according to the loss risk level;
defining the area where the first level is located as a first area, the area where the second level is located as a second area, and the area where the third level is located as a third area;
the evaluating the loss risk level for a plurality of regions within the first region by comparing the predicted typhoon data and the historical typhoon data comprises:
if the deviation value of the predicted typhoon path in the predicted typhoon data and the historical typhoon path in the historical typhoon data in the first region is smaller than or equal to a preset deviation value, and the wind difference value of the predicted typhoon wind power in the predicted typhoon data and the historical typhoon wind power in the historical typhoon data falls into a preset wind difference range, the loss risk level estimated in the historical period is used for each region in the first future time period;
if the deviation value is smaller than or equal to the preset deviation value and the wind power difference value does not fall into the preset wind power difference range, correcting the loss risk level estimated by the historical period;
And if the deviation value is larger than the preset deviation value, evaluating the loss risk level of the areas in the first future time period according to the predicted typhoon data and the historical typhoon data.
2. The power supply management method according to claim 1, wherein,
defining the predicted typhoon wind power as F1, the historical typhoon wind power as F2, and the wind power difference value as delta F, delta F= |F1-F2|; the preset wind power difference range is k 2-delta F-k 1, k2 is the lower limit value of the preset wind power difference range, and k1 is the upper limit value of the preset wind power difference range;
in the case that the deviation value is equal to or less than the preset deviation value,
if F1 is greater than F2 and DeltaF is greater than k1, correcting the second region as the third region and the first region as the second region;
if F1 > F2 or F1 < F2, and ΔF < k2, then continuing the loss risk level assessed in the historical period for each region within the first future time period;
if F1 is less than F2 and DeltaF is greater than k1, the third region is corrected to be the second region, and the second region is corrected to be the first region.
3. The power supply management method according to claim 1, wherein the plurality of electricity identity information includes a primary electricity load and a secondary electricity load that are distinguished by different electricity usage, the primary electricity load being industrial electricity, the secondary electricity load being domestic electricity;
The controlling the power supply system to start the uninterruptible power supply mode for the area where the first level is located in the first future time period according to the loss risk level includes:
judging whether a first area corresponding to the first level has a power failure risk or not in the first future time period;
if yes, judging whether a plurality of secondary power loads in the first area meet potential cooperation conditions or not;
if yes, the power supply system is controlled to send an electric quantity allocation offer signal to the potential cooperative object at the current moment; wherein the potential cooperative object is a secondary power load meeting the potential cooperative condition;
if the potential cooperative object accepts the offer agreement in the electric quantity allocation offer signal, controlling to reduce or stop the secondary power supply quantity of the potential cooperative object in the first future time period, and marking the potential cooperative object as a willingness cooperative object;
after the successful sending of the electric quantity allocation offer signal is judged, adding a primary cooperation mark to the secondary power utilization load where the willing cooperation object is located in the power supply system;
and adjusting the power supply priority of the plurality of secondary power loads at a second future time according to the generated times of the cooperation marks.
4. The power supply management method according to claim 3, wherein,
the power supply system further comprises a conventional power supply mode, wherein the conventional power supply mode supplies power to the first area in an overhead cable mode; the uninterruptible power supply arranged in the first area supplies power for a plurality of primary power utilization loads and secondary power utilization loads through a buried cable;
the controlling reduces or stops secondary power to the potential partner for the first future period of time and marks the potential partner as a willingness partner, comprising:
when the power failure risk exists in the normal power supply mode, the primary power utilization load positioned in the first area is powered by starting the uninterruptible power supply mode to replace the normal power supply mode;
if the maintenance time length of typhoon weather is longer than the total power supply time length of the uninterruptible power supply which supplies power with rated power, adjusting the power supply priority of the uninterruptible power supply to any one of the primary power utilization loads to be higher than the power supply priority of the uninterruptible power supply to the secondary power utilization loads;
wherein the power supply priority of the willingness cooperative object to be supplied by the uninterruptible power supply in the first future time period is lower than any one of a plurality of the secondary power utilization loads, and/or the power supply priority of the willingness cooperative object in the second future time period is higher than any one of the rest of the secondary power utilization loads as the number of the cooperative marks is larger.
5. The power supply management method according to claim 3 or 4, wherein,
defining the area where the second level is located as a second area, and defining the area where the third level is located as a third area;
the determining whether the plurality of secondary electrical loads located within the first region satisfy a potential collaboration condition includes:
if not, whether the plurality of secondary power loads positioned in the second area and/or the third area meet the potential cooperation condition or not in the preparation time period;
if yes, the power supply system is controlled to send an electric quantity allocation offer signal to the potential cooperative object at the current moment;
if the potential cooperative object accepts the offer agreement in the electric quantity allocation offer signal, controlling to reduce or stop the secondary power supply quantity of the potential cooperative object in the first future time period, and marking the potential cooperative object as a willingness cooperative object;
after the successful sending of the electric quantity allocation offer signal is judged, adding a primary cooperation mark to the secondary power utilization load where the willing cooperation object is located in the power supply system;
and adjusting the power supply priority of the plurality of secondary power loads at a second future time according to the generated times of the cooperation marks.
6. The power management method of claim 1, wherein the energy storage module comprises a solar panel assembly and an energy storage cell; the charging of the uninterruptible power supply of the power supply system by the energy storage module in the preparation time period comprises the following steps:
detecting and acquiring illumination information in the preparation time period; wherein the illumination information includes an illumination intensity and an illumination duration associated with the illumination intensity;
predicting pre-stored power generation amount of the energy storage module in the preparation time period according to the illumination information;
judging whether the electricity consumption demand of the area where the first level is located is met in the first future time period according to the pre-stored electricity generation amount;
if not, the energy storage module is subjected to supplementary charging through a conventional power supply mode of the power supply system;
if yes, the solar panel component only absorbs the light energy collected by the corresponding illumination information, and converts the light energy into electric energy to charge the energy storage battery cell;
wherein the conventional power supply mode includes power generation by thermal power generation.
7. The power management method according to claim 1, wherein the controlling the power supply system to start the uninterruptible power supply mode for the area where the first level is located in the first future period of time according to the loss risk level includes:
Judging whether the second area and/or the third area meet the condition of starting wind energy power supply according to the predicted typhoon data;
if yes, the power supply system is controlled to generate a wind energy operation instruction at the current moment, and the power supply system is controlled to start a wind energy power supply mode of the power supply system according to the wind energy operation instruction in the first future time period.
8. A power supply management module, characterized in that the power supply management module adopts the power supply management method according to any one of claims 1 to 7; the power supply management module is applied to a power supply system, the power supply system is used for supplying power to a plurality of power utilization objects registered with power utilization identity information in a first region, and the power supply system comprises a wind energy power supply mode and an uninterruptible power supply mode; the power supply management module includes:
the prediction module is used for predicting whether typhoon weather occurs in the first region in a first future time period at the current moment; defining a time period between the current moment and the first future time period as a preparation time period;
the acquisition module is used for acquiring the predicted typhoon data corresponding to the typhoon weather and acquiring the historical typhoon data corresponding to the typhoon weather in the historical period in the first region;
An evaluation module for evaluating loss risk levels for a plurality of regions within the first region by comparing the predicted typhoon data and the historical typhoon data; the loss risk level sequentially comprises a first level, a second level and a third level from large to small according to the severity of damage to local power supply equipment in each area corresponding to the power supply system;
the first control module is used for controlling the power supply system to start the uninterruptible power supply mode for the area where the first level is located and to start the wind energy power supply mode for the area where the second level and/or the third level is located in the first future time period according to the loss risk level;
and the second control module is used for charging the uninterrupted power supply of the power supply system through the energy storage module in the preparation time period.
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