CN115456425A - Voltage adjustment method, device, equipment, storage medium and computer program product - Google Patents
Voltage adjustment method, device, equipment, storage medium and computer program product Download PDFInfo
- Publication number
- CN115456425A CN115456425A CN202211134567.9A CN202211134567A CN115456425A CN 115456425 A CN115456425 A CN 115456425A CN 202211134567 A CN202211134567 A CN 202211134567A CN 115456425 A CN115456425 A CN 115456425A
- Authority
- CN
- China
- Prior art keywords
- voltage value
- current
- determining
- preset
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000004590 computer program Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001604129 Polydactylus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06313—Resource planning in a project environment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Theoretical Computer Science (AREA)
- General Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Marketing (AREA)
- General Physics & Mathematics (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Water Supply & Treatment (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Development Economics (AREA)
- Educational Administration (AREA)
- Public Health (AREA)
- Game Theory and Decision Science (AREA)
- Operations Research (AREA)
- Quality & Reliability (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a voltage adjustment method, apparatus, device, storage medium and computer program product. The method comprises the following steps: acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time; acquiring the actual power of the light storage straight flexible building every interval of a first preset time; if the actual power obtained at the current time meets the preset adjusting condition, determining a first difference value between the target power and the actual power at the current time; determining a current target voltage value according to a first difference value of a first preset number; and adjusting the voltage of the direct current bus of the light storage direct flexible building according to the current target voltage value. By adopting the method, the power of each device in the light storage direct-flexible building can be automatically adjusted according to the adjusted voltage value of the direct current bus by adjusting the voltage value of the direct current bus of the light storage direct-flexible building, the power of each device in the light storage direct-flexible building is not required to be respectively adjusted, and the adjustment process is simplified.
Description
Technical Field
The present application relates to the field of flexible interaction technology for power grids, and in particular, to a voltage adjustment method, apparatus, device, storage medium, and computer program product.
Background
With the gradual rise of the ratio of the renewable energy power generation capacity to the traditional power generation capacity and the popularization of a building microgrid, the peak-valley definition of the power grid is changed, in order to better realize the load grid linkage, the load real-time power of a building can be automatically changed and adjusted along with the requirement of the power grid, through the flexible interaction of the building and the electric power, the flexible control of the electricity consumption of the building can be better realized, and the photovoltaic power generation with larger-proportion unstable absorption and uncontrollable can be realized.
In the prior art, equipment with load regulation and control capability in the light storage straight and flexible building is analyzed to determine the power relationship of each equipment in the light storage straight and flexible building, and the charging and discharging states of each equipment in the light storage straight and flexible building are adjusted based on a preset load regulation rule and the power relationship.
Disclosure of Invention
In view of the foregoing, there is a need to provide a voltage adjustment method, device, apparatus, storage medium, and computer program product capable of adjusting the power consumption of the light-storing flexible building by adjusting the voltage value of the dc bus in the light-storing flexible building to reduce the complexity of adjustment.
In a first aspect, the present application provides a voltage regulation method. The method comprises the following steps:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every a first preset time interval;
if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference value between the target power and the actual power at the current time;
determining a current target voltage value according to a first difference value of a first preset number;
and adjusting the voltage of the direct current bus of the light storage direct flexible building according to the current target voltage value.
In one embodiment, if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference between the target power and the actual power at the current time includes:
if the first ratio between the target power and the actual power obtained at the current time is larger than a first preset ratio or smaller than a second preset ratio, determining a first difference between the target power and the actual power at the current time;
wherein, the first preset ratio is larger than the second preset ratio.
In one embodiment, determining the current target voltage value according to a first preset number of first difference values includes:
determining the average value of the first difference values of the first preset number;
determining a first voltage value according to the average value of the latest second preset number;
and determining the current target voltage value according to the first voltage value and the last determined target voltage value.
In one embodiment, the determining the first voltage value according to the most recent second preset number of average values includes:
determining a product result of each average value in the nearest second preset number of average values and the corresponding preset coefficient;
and determining the first voltage value according to the product result of each average value in the latest second preset number of average values and the corresponding first preset coefficient.
In one embodiment, determining the current target voltage value according to the first voltage value and the last determined target voltage value includes:
determining a product result of the first voltage value and a preset coefficient;
and taking the summation result between the target voltage value determined last time and the product result as the target voltage value of the current time.
In one embodiment, adjusting the voltage of the dc bus of the light storage dc flexible building according to the current target voltage value includes:
if the current target voltage value is greater than or equal to the first voltage threshold and less than or equal to the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the current target voltage value;
if the current target voltage value is smaller than the first voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the first voltage threshold;
if the current target voltage value is greater than the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to the second voltage threshold.
In a second aspect, the present application further provides a voltage regulation apparatus. The device comprises:
the first acquisition module is used for acquiring the target power of the light storage straight flexible building in a preset time period closest to the current time;
the second acquisition module is used for acquiring the actual power of the light storage straight flexible building every first preset time interval;
the first determining module is used for determining a first difference value between the target power and the current actual power if the current acquired actual power meets a preset adjusting condition;
the second determining module is used for determining the current target voltage value according to the first difference value of the first preset number;
and the adjusting module is used for adjusting the voltage of the direct current bus of the light storage direct-flexible building according to the current target voltage value.
In a third aspect, the application also provides a computer device. The computer device comprises a memory storing a computer program and a processor implementing the following steps when executing the computer program:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every interval of a first preset time;
if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference value between the target power and the actual power at the current time;
determining the current target voltage value according to the first difference values of the first preset number;
and adjusting the voltage of the direct current bus of the light storage direct flexible building according to the current target voltage value.
In a fourth aspect, the present application further provides a computer-readable storage medium. The computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every interval of a first preset time;
if the actual power obtained at the current time meets the preset adjusting condition, determining a first difference value between the target power and the actual power at the current time;
determining a current target voltage value according to a first difference value of a first preset number;
and adjusting the voltage of the direct current bus of the light storage direct flexible building according to the current target voltage value.
In a fifth aspect, the present application further provides a computer program product. The computer program product comprising a computer program which when executed by a processor performs the steps of:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every a first preset time interval;
if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference value between the target power and the actual power at the current time;
determining the current target voltage value according to the first difference values of the first preset number;
and adjusting the voltage of the direct current bus of the light storage direct flexible building according to the current target voltage value.
According to the voltage adjusting method, the device, the equipment, the storage medium and the computer program product, the target power of the optical storage straight flexible building in the preset time period closest to the current time is obtained, the actual power of the optical storage straight flexible building is obtained at intervals of a first preset time length, if the actual power obtained at the current time meets the preset adjusting condition, a first difference value between the target power and the actual power at the current time is determined, the target voltage value at the current time is determined according to the first difference value of the first preset number, and the voltage of the direct current bus of the optical storage straight flexible building is adjusted according to the target voltage value at the current time. Adopt in the conventional art to adjust respectively the charge-discharge state of each source load, realize that distribution system is with stable constant power flexible operation, the adjustment process is complicated, and this application is owing to only need adjust the voltage value of the direct current generating line of the gentle building of light storage, and then each equipment of the gentle building of light storage is according to the automatically regulated power of the voltage value of the direct current generating line after adjusting, need not to adjust respectively the power of each equipment in the gentle building of light storage, consequently simplified the adjustment process.
Drawings
Fig. 1 is a diagram of a power distribution system of a voltage adjustment method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a voltage adjustment method according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of a method for determining a current sub-target voltage value according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart of a first voltage value determining method according to an embodiment of the present application;
fig. 5 is a schematic flowchart of a current target voltage value determining method according to an embodiment of the present disclosure;
fig. 6 is a schematic flowchart of a method for determining a current target voltage value according to an embodiment of the present disclosure;
fig. 7 is a block diagram of a voltage adjustment apparatus according to an embodiment of the present disclosure;
fig. 8 is an internal structure diagram of a terminal which is a computer device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Fig. 1 is a diagram of a power distribution system of a voltage adjustment method according to an embodiment of the present disclosure, where the power distribution system includes a power grid 101 and a light-storing flexible building 102, and the light-storing flexible building 102 includes a photovoltaic device, an energy storage device, other loads, an Alternating/Current/Direct Current (AC/DC) converter and a Direct/Direct Current (DC/DC) converter, where the AC/DC converter is a device that converts an Alternating Current into a Direct Current, and the DC/DC converter is a voltage converter that converts an input voltage and effectively outputs a fixed voltage. In the conventional technology, the devices with load regulation and control capability in the optical storage straight and flexible building 102 are analyzed, the power relationship of each device in the optical storage straight and flexible building 102 is determined, and the charging and discharging states of each device are adjusted based on the preset load regulation rule and the power relationship, so that the power distribution system flexibly operates at stable constant power.
In order to solve the above technical problem, as shown in fig. 2, fig. 2 is a schematic flow chart of a voltage adjustment method provided in the embodiment of the present application, where the method includes the following steps:
s201, acquiring the target power of the light storage straight flexible building in the preset time period closest to the current time.
The preset time period is 15 minutes, the target power of the light storage straight flexible building is the target power of the light storage straight flexible building which is sent by the power grid on the previous day and is away from the current nearest preset time period, and the obtained target power is recorded as P set 。
Specifically, the power grid determines a current day target power curve of the light storage straight flexible building according to historical power utilization data of the light storage straight flexible building, the power grid can send the current day target power curve to the light storage straight flexible building in the previous day, and the light storage straight flexible building obtains the current latest target power in the preset time period through the current day target power curve sent by the power grid.
And S202, acquiring the actual power of the light storage straight flexible building at intervals of a first preset time length.
The actual power of the light-storing straight flexible building represents the power generated by the electric energy consumed by the building, for example, a first preset time duration is set to 30 seconds, and the computer acquires the actual power of the current light-storing straight flexible building every 30 seconds, which is denoted as P in 。
S203, if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference between the target power and the actual power at the current time.
Specifically, if a result obtained by adding the current actual power to 3% of the actual power is smaller than the current target power, or a difference obtained by subtracting 3% of the actual power from the current actual power is larger than the current target power, a first difference between the target power and the current actual power is calculated.
And S204, determining the current target voltage value according to the first difference value of the first preset number.
Specifically, the first preset number is determined according to an actual situation, for example, the first preset number is recorded as 6, an average value of the first preset number is determined according to the first difference, and then the current target voltage value is determined according to the average value of the first preset number and the last target voltage value.
And S205, adjusting the voltage of the direct current bus of the light storage direct flexible building according to the current target voltage value.
The direct-current bus is installed and connected together in a frequency converter in a copper bar bus mode to form a direct-current common bus variable-frequency driving system.
Specifically, the target voltage value on the direct current bus is adjusted according to the preset rule through the voltage power adjusting device according to the calculated target voltage value, and each device of the light storage direct and flexible building can automatically adjust the power according to the adjusted voltage value of the direct current bus to adjust the load power
According to the voltage adjusting method, the target power of the light storage direct-flexible building in the preset time period closest to the current time is obtained, the actual power of the light storage direct-flexible building is obtained every first preset time, if the actual power obtained at the current time meets the preset adjusting condition, a first difference value between the target power and the actual power at the current time is determined, the target voltage value at the current time is determined according to the first difference value of the first preset number, and the voltage of the direct current bus of the light storage direct-flexible building is adjusted according to the target voltage value at the current time. The voltage of the direct current bus of the light storage direct-flexible building is only required to be adjusted, so that each device of the light storage direct-flexible building automatically adjusts the power according to the adjusted voltage of the direct current bus, the power of each device in the light storage direct-flexible building is not required to be adjusted respectively, and the adjustment process is simplified.
In one embodiment, in S203, if the actual power obtained at the current time meets the preset adjustment condition, the first difference between the target power and the actual power at the current time is determined, and the method may further be implemented as follows:
and if the first ratio between the target power and the actual power obtained at the current time is greater than the first preset ratio or smaller than the second preset ratio, determining a first difference between the target power and the actual power at the current time.
Specifically, with the above P in And P set For illustration purposes:
Wherein, the first preset ratio and the second preset ratio are determined according to actual conditions, for example, the first preset ratio is 1.03, the second preset ratio is 0.97, and at this time, the first target difference is calculated:ΔP＝|P set -P in |。
in this embodiment, a first ratio between the target power and the actual power obtained at the current time is calculated, and the first ratio is compared with a first preset ratio or a second preset ratio, so as to determine a first difference between the target power and the actual power obtained at the current time. From the control result, the voltage of the direct current bus of the light storage direct-flexible building can be adjusted according to the current target voltage value, and the actual power can be adjusted by adjusting the voltage of the direct current bus of the light storage direct-flexible building, so that the error between the actual power obtained from the power grid and the given target power of the power grid can be controlled within a small interval range, and various renewable energy sources from the power grid can be better consumed for power generation.
Under the condition that the first ratio between the target power and the actual power obtained at the current time is greater than or equal to the second preset ratio and less than or equal to the first preset ratio, the voltage of the direct current bus does not need to be adjusted, the first difference does not need to be calculated under the condition, and the waste of calculation resources is avoided.
Fig. 3 is a schematic flowchart of a current-time target voltage value determining method according to an embodiment of the present application, where this embodiment relates to a possible implementation manner of determining a current-time target voltage value according to a first difference value of a first preset number, and on the basis of the foregoing embodiment, as shown in fig. 3, the foregoing S204 includes:
s301, determining an average value of the first difference values of the first preset number.
Specifically, for example, a current actual power is collected every 30 seconds, and a first difference Δ P is calculated i (i＝1、2、3……、6) If the first preset number is 6, continuously collecting 6 first difference values and calculating the average value of the first difference values.
Wherein, Δ P n (n =1, 2, 3, \8230;, n) represents an average value, Δ P, of a first difference value of a first predetermined number i The first difference is indicated.
S302, determining a first voltage value according to the average value of the first difference values of the latest second preset number.
Specifically, the second preset number is determined according to actual conditions, for example, the second preset number is set to 3, and the average value of the first difference of the latest time is set to Δ P n The average values of the first differences recorded three times the latest time are respectively delta P n 、ΔP n-1 、ΔP n-2 The first voltage value Δ V is determined from an average value of the above three first difference values.
And S303, determining the current target voltage value according to the first voltage value and the target voltage value determined last time.
Specifically, the last determined target voltage value is set as V a Then the current target voltage value is V a+1 Based on the first voltage value Δ V and the last determined target voltage value V a Determining the current target voltage value V a+1 The initial target voltage value V is 1 The target voltage value of the light storage straight flexible building in the target power state is shown.
In this embodiment, the average value of the first difference values of the first preset number is determined, the first voltage value is determined according to the average value of the first difference values of the latest second preset number, the current target voltage value is determined according to the first voltage value and the last determined target voltage value, because the first difference value is a power difference value, the first voltage value is determined according to the average value of the first difference values of the latest second preset number, and the current target voltage value is determined according to the first voltage value and the last determined target voltage value, so that the voltage of the dc bus of the optical storage dc flexible building is adjusted according to the current target voltage value, the power is adjusted only by changing the voltage of the dc bus, only the parameter of determining the voltage of the dc bus is realized, the number of sensors is small, and the system is simple.
Fig. 4 is a schematic flowchart of a first voltage value determining method provided in an embodiment of the present application, where the embodiment relates to a possible implementation manner of how to determine a first voltage value according to a most recent average value of a second preset number, and on the basis of the foregoing embodiment, as shown in fig. 4, the foregoing S204 includes:
s401, determining a product result of each average value in the latest average values of the second preset number and the corresponding first preset coefficient.
In particular, the first predetermined factor is determined as a function of the actual conditions, e.g. Δ P n The corresponding first predetermined coefficient is k1, Δ P n-1 The corresponding first predetermined coefficient is k2, Δ P n-2 Corresponding to a first predetermined coefficient k3, will be Δ P n 、ΔP n-1 、ΔP n-2 Respectively multiplied by the corresponding first preset coefficients.
S402, determining a first voltage value according to a product result of each average value in the latest average values of the second preset number and the corresponding first preset coefficient.
Specifically, Δ P is determined n 、ΔP n-1 、ΔP n-2 After the result of multiplying the first predetermined coefficient by the first predetermined coefficient is obtained, the first voltage value Δ V is determined according to the result of multiplying the first predetermined coefficient by the first predetermined coefficient, which can be expressed by the following relationship:
ΔV＝k1×ΔP n -k2×ΔP n-1 +k3×ΔP n-2
in this embodiment, the result of multiplying each average value in the average values of the latest second preset number by the corresponding first preset coefficient is determined, and the first voltage value is determined according to the result of multiplying each average value in the average values of the latest second preset number by the corresponding first preset coefficient.
Fig. 5 is a schematic flowchart of a method for determining a target voltage value of a current time according to an embodiment of the present application, where this embodiment relates to a possible implementation manner of determining a target voltage value of the current time according to a first voltage value and a target voltage value determined last time, and on the basis of the foregoing embodiment, as shown in fig. 5, the foregoing S402 includes:
s501, determining a product result of the first voltage value and a second preset coefficient.
The second predetermined coefficient may be set according to actual conditions, for example, the second predetermined coefficient is set to k, and a product of the first voltage value and the second predetermined coefficient may be represented as Δ V × k.
And S502, taking the summation result between the target voltage value determined last time and the product result as the target voltage value of the current time.
Specifically, the last determined target voltage value is V a The current target voltage value is V a+1 The relationship between the last determined target voltage value and the current target voltage value may be represented by the following relationship:
V a+1 ＝V a +ΔV×k
in this embodiment, the conversion from the last determined target voltage value to the current target voltage value is realized by determining a result of multiplying the first voltage value by the second preset coefficient, taking a result of summing the last determined target voltage value and the result of multiplying as the current target voltage value, and representing the result of summing the last determined target voltage value and the result of multiplying as the current target voltage value.
Fig. 6 is a schematic flowchart of a method for determining a target voltage value at the present time according to an embodiment of the present application, where this embodiment relates to a possible implementation manner for determining a target voltage value at the present time according to a first voltage value and a target voltage value determined last time, and on the basis of the foregoing embodiment, as shown in fig. 6, the foregoing S303 includes:
and S601, if the current target voltage value is greater than or equal to the first voltage threshold and less than or equal to the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to the current target voltage value.
Wherein the first voltage threshold and the second voltage threshold represent a range of adjustable voltages.
The first voltage threshold and the second voltage threshold can be determined according to actual conditions, for example, the first voltage threshold is set to 300V, the second voltage threshold is set to 400V, and if 300V ≦ V a+1 Adjusting the voltage of the DC bus of the light storage direct-flexible building to the current target voltage value V when the voltage is less than or equal to 400V a+1 The load power can be adjusted by changing the voltage value of the direct current bus only by detecting the real-time quantity of the input power of the power grid, for example, the cut-off voltage of the photovoltaic equipment is set to 390V, and when the voltage of the direct current bus is greater than 390V, the photovoltaic equipment is cut off to discharge to the light storage direct-flexible building. And under the condition that the voltage of the direct current bus is more than or equal to 370V and less than or equal to 380V, the energy storage equipment does not carry out charging or discharging operation, and the voltage interval represents an inoperative voltage area of the energy storage equipment.
S602, if the current target voltage value is smaller than a first voltage threshold value, adjusting the voltage of a direct current bus of the light storage direct flexible building to be the first voltage threshold value;
in particular, if V a+1 <300V, the voltage of the direct current bus of the light storage direct flexible building is adjusted to be 300V of the first voltage threshold.
And S603, if the current target voltage value is greater than the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the second voltage threshold.
In particular, if V a+1 >And 400V, adjusting the voltage of the direct current bus of the light storage direct flexible building to be a second voltage threshold value of 400V.
In this embodiment, by setting the first voltage threshold and the second voltage threshold, if the current target voltage value is smaller than the first voltage threshold, the voltage of the dc bus of the optical storage direct-flexible building is adjusted to the first voltage threshold, if the current target voltage value is greater than the second voltage threshold, the voltage of the dc bus of the optical storage direct-flexible building is adjusted to the second voltage threshold, and for the voltage value out of the above range, no adjustment is performed, so that the waste of adjustment resources is avoided, and the energy storage device is provided with a section of non-working voltage area, at this time, more loads of the optical storage direct-flexible building are relied on to realize power adjustment, and the investment cost of the energy storage device is reduced.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides a voltage adjustment device for implementing the voltage adjustment method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme described in the method, so the specific limitations in one or more embodiments of the voltage adjustment device provided below can be referred to the limitations on the voltage adjustment method in the foregoing, and details are not described here.
In one embodiment, as shown in fig. 7, there is provided a voltage regulation device 700 comprising: a first obtaining module 701, a second obtaining module 702, a first determining module 703, a second determining module 704, and an adjusting module 705, wherein:
the first obtaining module 701 is configured to obtain a target power of the light storage straight and flexible building in a preset time period closest to a current time.
A second obtaining module 702, configured to obtain the actual power of the light-storing straight and flexible building every first preset time interval.
The first determining module 703 is configured to determine a first difference between the target power and the current actual power if the current actual power obtained meets the preset adjustment condition.
The second determining module 704 is configured to determine the current target voltage value according to the first difference values of the first preset number.
The adjusting module 705 adjusts the voltage of the dc bus of the light storage dc flexible building according to the current target voltage value.
In one embodiment, the first determining module 703 includes:
the first determining unit is configured to determine a first difference between the target power and the current actual power if a first ratio between the target power and the current actual power is greater than a first preset ratio or smaller than a second preset ratio.
In one embodiment, the second determining module 704 includes:
and the second determining unit is used for determining the average value of the first difference values of the first preset number.
And the third determining unit is used for determining the first voltage value according to the average value of the latest second preset number of first difference values.
And the fourth determining unit is used for determining the current target voltage value according to the first voltage value and the target voltage value determined last time.
In one embodiment, the third determining unit is specifically configured to determine a result of a product of each average value of the latest average values of the second preset number and the corresponding first preset coefficient; and determining a first voltage value according to a product result of each average value in the latest average values of the second preset number and the corresponding first preset coefficient.
In one embodiment, the fourth determining unit is specifically configured to determine a product of the first voltage value and a second preset coefficient; and taking the summation result between the target voltage value determined last time and the product result as the target voltage value of the current time.
In one embodiment, the adjusting module 705 comprises:
and the first comparison unit is used for adjusting the voltage of the direct current bus of the light storage direct flexible building to be the current target voltage value if the current target voltage value is greater than or equal to the first voltage threshold and less than or equal to the second voltage threshold.
And the second comparison unit is used for adjusting the voltage of the direct current bus of the light storage direct flexible building to be the first voltage threshold if the current target voltage value is smaller than the first voltage threshold.
And the third comparison unit is used for adjusting the voltage of the direct current bus of the light storage direct flexible building to be the second voltage threshold value if the current target voltage value is greater than the second voltage threshold value.
The modules in the voltage regulating device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent of a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 8. The computer device comprises a processor, a memory, a communication interface, a display screen and an input device which are connected through a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a voltage method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on a shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 8 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every a first preset time interval;
if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference value between the target power and the actual power at the current time;
determining the current target voltage value according to the first difference values of the first preset number;
and adjusting the voltage of a direct current bus of the light storage direct flexible building according to the current target voltage value.
In one embodiment, the processor when executing the computer program further performs the steps of:
if the first ratio between the target power and the actual power obtained at the current time is larger than a first preset ratio or smaller than a second preset ratio, determining a first difference between the target power and the actual power at the current time;
wherein the first preset ratio is greater than the second preset ratio.
In one embodiment, the processor when executing the computer program further performs the steps of:
determining an average value of the first difference values of the first preset number;
determining a first voltage value according to the average value of the first difference values of the latest second preset number;
and determining the current target voltage value according to the first voltage value and the last determined target voltage value. In one embodiment, the processor when executing the computer program further performs the steps of:
determining a product result of each average value in the average values of the nearest second preset number and the corresponding first preset coefficient;
and determining a first voltage value according to a product result of each average value in the latest average values of the second preset number and the corresponding first preset coefficient.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
determining a product result of the first voltage value and a second preset coefficient;
and taking the summation result between the target voltage value determined last time and the product result as the target voltage value of the current time.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
if the current target voltage value is greater than or equal to the first voltage threshold and less than or equal to the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the current target voltage value;
if the current target voltage value is smaller than the first voltage threshold, adjusting the voltage of a direct current bus of the light storage direct flexible building to be the first voltage threshold;
and if the current target voltage value is larger than the second voltage threshold value, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the second voltage threshold value.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every a first preset time interval;
if the actual power obtained at the current time meets the preset adjustment condition, determining a first difference value between the target power and the actual power at the current time;
determining a current target voltage value according to a first difference value of a first preset number;
and adjusting the voltage of a direct current bus of the light storage direct and flexible building according to the current target voltage value.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the first ratio between the target power and the actual power obtained at the current time is larger than a first preset ratio or smaller than a second preset ratio, determining a first difference between the target power and the actual power at the current time;
wherein the first preset ratio is greater than the second preset ratio.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining an average value of the first difference values of the first preset number;
determining a first voltage value according to the average value of the first difference values of the latest second preset number;
and determining the current target voltage value according to the first voltage value and the last determined target voltage value.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining a product result of each average value in the average values of the nearest second preset number and the corresponding first preset coefficient;
and determining a first voltage value according to a product result of each average value in the latest average values of the second preset number and the corresponding first preset coefficient.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining a product result of the first voltage value and a second preset coefficient;
and taking the summation result between the target voltage value determined last time and the multiplication result as the target voltage value of the current time.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the current target voltage value is greater than or equal to the first voltage threshold and less than or equal to the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the current target voltage value;
if the current target voltage value is smaller than the first voltage threshold, adjusting the voltage of a direct current bus of the light storage direct flexible building to be the first voltage threshold;
and if the current target voltage value is larger than the second voltage threshold value, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the second voltage threshold value.
In one embodiment, a computer program product is provided, comprising a computer program which when executed by a processor performs the steps of:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight flexible building every a first preset time interval;
if the actual power obtained at the current time meets the preset adjusting condition, determining a first difference value between the target power and the actual power at the current time;
determining a current target voltage value according to a first difference value of a first preset number;
and adjusting the voltage of a direct current bus of the light storage direct and flexible building according to the current target voltage value.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the first ratio between the target power and the actual power obtained at the current time is larger than a first preset ratio or smaller than a second preset ratio, determining a first difference between the target power and the actual power at the current time;
the first preset ratio is larger than the second preset ratio.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining an average value of first difference values of a first preset number;
determining a first voltage value according to the average value of the first difference values of the latest second preset number;
and determining the current target voltage value according to the first voltage value and the last determined target voltage value.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining the product result of each average value in the latest second preset number of average values and the corresponding first preset coefficient;
and determining a first voltage value according to a product result of each average value in the latest average values of the second preset number and the corresponding first preset coefficient.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining a product result of the first voltage value and a second preset coefficient;
and taking the summation result between the target voltage value determined last time and the product result as the target voltage value of the current time.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the current target voltage value is greater than or equal to the first voltage threshold and less than or equal to the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to the current target voltage value;
if the current target voltage value is smaller than the first voltage threshold, adjusting the voltage of a direct current bus of the light storage direct flexible building to be the first voltage threshold;
and if the current target voltage value is greater than the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the second voltage threshold.
It should be noted that, the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), magnetic Random Access Memory (MRAM), ferroelectric Random Access Memory (FRAM), phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the various embodiments provided herein may be, without limitation, general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, or the like.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A method of voltage regulation, the method comprising:
acquiring the target power of the light storage straight and flexible building in a preset time period closest to the current time;
acquiring the actual power of the light storage straight and flexible building every interval of a first preset time;
if the actual power obtained at the current time meets a preset adjusting condition, determining a first difference value between the target power and the actual power at the current time;
determining a current target voltage value according to a first difference value of a first preset number;
and adjusting the voltage of the direct current bus of the light storage direct and flexible building according to the current target voltage value.
2. The method of claim 1, wherein determining a first difference between the target power and the current actual power if the current actual power meets a predetermined adjustment condition comprises:
if a first ratio between the target power and the actual power obtained at the current time is larger than a first preset ratio or smaller than a second preset ratio, determining a first difference between the target power and the actual power at the current time;
wherein the first preset ratio is greater than the second preset ratio.
3. The method of claim 1, wherein determining the current target voltage value according to the first preset number of first difference values comprises:
determining an average value of the first difference values of the first preset number;
determining a first voltage value according to the average value of the first difference values of the latest second preset number;
and determining the current target voltage value according to the first voltage value and the target voltage value determined last time.
4. The method of claim 3, wherein determining the first voltage value based on the most recent second predetermined number of average values comprises:
determining a product result of each average value in the average values of the nearest second preset number and the corresponding first preset coefficient;
and determining the first voltage value according to the product result of each average value in the latest second preset number of average values and the corresponding first preset coefficient.
5. The method of claim 3, wherein determining the current target voltage value based on the first voltage value and the last target voltage value comprises:
determining a product result of the first voltage value and a second preset coefficient;
and taking the summation result between the target voltage value determined last time and the product result as the target voltage value of the current time.
6. The method according to any one of claims 1 to 5, wherein the adjusting the voltage of the DC bus of the light-storing DC-flexible building according to the current target voltage value comprises:
if the current target voltage value is greater than or equal to a first voltage threshold and less than or equal to a second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the current target voltage value;
if the current target voltage value is smaller than the first voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the first voltage threshold;
and if the current target voltage value is larger than the second voltage threshold, adjusting the voltage of the direct current bus of the light storage direct flexible building to be the second voltage threshold.
7. A voltage regulation device, the device comprising:
the first acquisition module is used for acquiring the target power of the light storage straight flexible building in a preset time period closest to the current time;
the second acquisition module is used for acquiring the actual power of the light storage straight flexible building every first preset time interval;
the first determining module is used for determining a first difference value between the target power and the current actual power if the current actual power meets a preset adjusting condition;
the second determining module is used for determining the current target voltage value according to the first difference values of the first preset number;
and the adjusting module is used for adjusting the voltage of the direct current bus of the light storage direct-flexible building according to the current target voltage value.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor realizes the steps of the method of any one of claims 1 to 6 when executing the computer program.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 6 when executed by a processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211134567.9A CN115456425A (en) | 2022-09-19 | 2022-09-19 | Voltage adjustment method, device, equipment, storage medium and computer program product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211134567.9A CN115456425A (en) | 2022-09-19 | 2022-09-19 | Voltage adjustment method, device, equipment, storage medium and computer program product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115456425A true CN115456425A (en) | 2022-12-09 |
Family
ID=84305534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211134567.9A Pending CN115456425A (en) | 2022-09-19 | 2022-09-19 | Voltage adjustment method, device, equipment, storage medium and computer program product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115456425A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117060422A (en) * | 2023-10-11 | 2023-11-14 | 江苏省电力试验研究院有限公司 | Light storage direct-flexible building control method, system, computer equipment and storage medium |
-
2022
- 2022-09-19 CN CN202211134567.9A patent/CN115456425A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117060422A (en) * | 2023-10-11 | 2023-11-14 | 江苏省电力试验研究院有限公司 | Light storage direct-flexible building control method, system, computer equipment and storage medium |
| CN117060422B (en) * | 2023-10-11 | 2024-01-19 | 江苏省电力试验研究院有限公司 | Light storage direct-flexible building control method, system, computer equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mohamed et al. | Real-time energy management scheme for hybrid renewable energy systems in smart grid applications | |
| WO2014042219A1 (en) | Electric power management method, electric power management device and program | |
| US11193984B2 (en) | Method and device for the service life-optimized usage of an electrochemical energy store | |
| CN114221353B (en) | Power grid regulation method, device, equipment, storage medium and computer program product | |
| CN115456425A (en) | Voltage adjustment method, device, equipment, storage medium and computer program product | |
| KR101961703B1 (en) | Management apparatus and method of ess | |
| CN115906408A (en) | Energy scheduling system and method based on building load prediction | |
| CN114301093A (en) | Photovoltaic microgrid electric energy supply control method, device, equipment and storage medium | |
| WO2014042223A1 (en) | Power management method, power management device, and program | |
| US20180198277A1 (en) | Methods And Systems For A Renewable Electricity System | |
| CN117239810B (en) | Virtual power plant electric energy scheduling scheme acquisition method, device and equipment | |
| EP4167417A1 (en) | Device power supply method, system, and related device | |
| CN110998643B (en) | Systems, devices, and methods for pattern-based energy storage management | |
| CN114118532A (en) | Scheduling method and device for island microgrid, computer equipment and storage medium | |
| CN117713249A (en) | Micro-grid control method and device with flexible networking function and computer equipment | |
| CN116845907A (en) | Micro-grid source load scheduling method, micro-grid source load scheduling system, electronic equipment and medium | |
| US20180197252A1 (en) | Methods And Systems For A Renewable Electricity System | |
| JP2017195728A (en) | Power generation system | |
| CN112510679B (en) | Distributed energy storage optimization scheduling method and device, computer equipment and storage medium | |
| CN112633771B (en) | Power resource numerical value calculation method, device, computer equipment and storage medium | |
| CN114862615A (en) | Aggregation method and device of distributed power resources and computer equipment | |
| JP2018023188A (en) | Charge/discharge schedule setting program, charge/discharge schedule setting method, and charge/discharge schedule setting device | |
| CN114243681A (en) | Power utilization regulation and control method, device, equipment and storage medium for power system | |
| CN114243693A (en) | Method and device for constructing scheduling model of microgrid and computer equipment | |
| CN114154793A (en) | Surplus resource analysis method and device based on renewable energy and computer equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |