CN114598030A - New energy power generation power management and control system based on regional power grid - Google Patents
New energy power generation power management and control system based on regional power grid Download PDFInfo
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- CN114598030A CN114598030A CN202111003418.4A CN202111003418A CN114598030A CN 114598030 A CN114598030 A CN 114598030A CN 202111003418 A CN202111003418 A CN 202111003418A CN 114598030 A CN114598030 A CN 114598030A
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention discloses a new energy power generation power control system based on a regional power grid, which belongs to the field of new energy power and is used for solving the problems that hardware factors and environmental factors are not comprehensively considered when new energy is used for calculating power generation power and corresponding control grades cannot be reasonably matched; according to the invention, hardware factors and environmental factors of the control area are comprehensively considered, the power calculation is accurate, and the divided area power grid is reasonably matched with the corresponding control level.
Description
Technical Field
The invention belongs to the field of new energy electric power, relates to a generated power control technology, and particularly relates to a new energy generated power control system based on a regional power grid.
Background
The new energy generally refers to renewable energy developed and utilized on the basis of new technology, including solar energy, biomass energy, wind energy, geothermal energy, wave energy, ocean current energy, tidal energy and the like, and the widely utilized energy sources such as coal, petroleum, natural gas, hydroenergy, nuclear fission energy and the like are called conventional energy sources, and the new energy power generation is a process of realizing power generation by utilizing the existing technology and the novel energy sources.
In the prior art, the generated power of the new energy based on the regional power grid is calculated without comprehensively considering hardware factors and environmental factors, and meanwhile, the divided regional power grids cannot be reasonably matched with corresponding control levels;
for this reason, we propose a new energy generation power management and control system based on a regional power grid.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a new energy power generation power management and control system based on a regional power grid.
The technical problem to be solved by the invention is as follows:
(1) how to integrate hardware factors and environmental factors when calculating the power generated by the new energy;
(2) and reasonably matching the divided regional power grid to the corresponding control level.
The purpose of the invention can be realized by the following technical scheme:
the new energy power generation power control system based on the regional power grid comprises a data acquisition module, a region division module, a grade definition module, a power calculation module, an environment monitoring module, a hardware monitoring module, a user terminal and a server, wherein the server is connected with the user terminal, and the region division module is used for dividing the power grid region to obtain a control region and a control value GKu of the control region;
the region dividing module sends a control value of a control region to the server and the grade defining module;
the data acquisition module is used for acquiring hardware information, environment information and a real-time power value of a control area and sending the hardware information, the environment information and the real-time power value to the server; the server sends hardware information of a control area to the hardware monitoring module, the server sends environment information of the control area to the environment monitoring module, and the server sends a real-time power value of the control area to the power calculation module and the power analysis module;
the hardware monitoring module is used for monitoring hardware of the control area to obtain a hardware value YJu of the control area, and the environment monitoring module is used for monitoring the environment of the control area to obtain an environment value HJu of the control area;
the hardware detection module sends a hardware value of the control area to the power calculation module; the environment monitoring module sends the environment value of the supervision area to the power calculation module; after the power calculation module receives the hardware value and the environment value of the control area, the power calculation module is used for calculating the generated power of the control area, and the calculation process specifically comprises the following steps:
step P1: acquiring a hardware value YJu and an environment value HJu of a control area obtained through calculation;
step P2: acquiring a real-time power value of a control area, and marking the real-time power value as GLu;
step P3: combined calculation formula
Calculating to obtain controlPower calculation for the region GJu; in the formula, d1, d2 and d3 are all calculation coefficient fixed numerical values, and the values of d1, d2 and d3 are all larger than zero;
the power calculation module sends the power calculation value of the control area to the level definition module, the level definition module receives the power calculation value and the control value of the control area, the level definition module defines the control level according to the control value and the generated power of the control area, and the definition process specifically comprises the following steps:
step W1: acquiring a control value GKu and a corresponding power calculation value GJu of a control area;
step W2: calculating a control grade value DJu of the control area by using a formula DJu = α + GKu/GJu; in the formula, alpha is a calculation compensation fixed value, and the value of alpha is greater than zero;
step W3: comparing the control level value DJu of the control area with a control level threshold value;
if DJu is less than X1, the control level of the control area is a three-level control area;
if the X1 is not less than DJu and is more than X2, the control level of the control area is a secondary control area;
if the X2 is less than DJu, the control level of the control area is a primary control area; wherein X1 and X2 are both regulatory level thresholds, and X1 < X2;
the level definition module feeds back the control level of the control area to the server, the server sends control signals of different levels to the user terminal according to the control level of the control area, and the user terminal is used for receiving the control signals of different levels.
Further, the hardware information includes the number and the storage capacity of storage batteries in the control area, the length and the loss rate of the power line, and the conversion rate of the inverter, and the environment information includes a temperature value, a dust value, and an altitude in the control area.
Further, the dividing process of the region dividing module is specifically as follows:
the method comprises the following steps: dividing a power grid area into a plurality of control areas according to administrative area boundary lines, and marking the control areas as u, u =1, 2, … …, z and z as positive integers; acquiring the number of resident persons in the control area, and marking the number of the resident persons as JRu;
step two: acquiring the monthly power consumption of the control area of the first three months of the system, and adding and averaging to obtain the monthly average power consumption of the control area; adding and summing the monthly average power consumption of the control area and dividing the sum by the number of the resident persons to obtain the monthly average power consumption RJDu of each resident person in the control area;
step three: acquiring the number of new energy power generation equipment in a control area, and marking the number of the new energy power generation equipment as SBu; obtaining maintenance times of each new energy power generation device, adding the maintenance times of each new energy power generation device, summing the maintenance times, and dividing the sum by the number of the new energy power generation devices to obtain maintenance average times JWu of the new energy power generation devices in the monitoring area;
step four: the control value GKu of the control area is calculated by using a formula, which is specifically as follows:
Further, the monitoring process of the hardware monitoring module is specifically as follows:
step S1: acquiring all storage batteries in a control area to obtain the storage capacity of each storage battery; adding and summing the storage capacity of each storage battery to obtain the storage total quantity XDZu of the control area;
step S2: acquiring the transmission length of a power line in a control area, and marking the transmission length as SCu; obtaining the loss rate of each power line in the control area, and obtaining the loss average rate JSHU after adding and calculating the average value of the loss rates of each power line;
step S3: acquiring all inverters in a control area to obtain the conversion rate ZHu of each inverter; adding and summing the conversion rate of each inverter to obtain the conversion average rate JZHu of the inverters in the control area;
step S4: by the formula
Calculating to obtain a hardware value YJu of the control area; in the formula, b1, b2 and b3 are all proportional coefficient fixed values, and the values of b1, b2 and b3 are all larger than zero.
Further, the monitoring process of the environment monitoring module is specifically as follows:
step SS 1: acquiring weather forecast of a control area for fifteen days in the future, acquiring temperature values and dust values of the control area for fifteen days in the future, and calculating the mean values to obtain a temperature mean value WJu and a gray level mean value HDJu of the control area for fifteen days in the future;
step SS 2: obtaining a temperature threshold WYu corresponding to the control area, and obtaining a temperature difference value WCu of the control area after calculating a difference value between the temperature threshold WYu and the temperature mean WJu; the temperature threshold is the temperature at which the transmission power is optimal in the control area;
step SS 3: acquiring the altitude of the control area, and marking the altitude as GDu;
step SS 4: the temperature difference value WCu, the gray level mean value HDJu and the altitude GDu of the control area are combined with a calculation formula to calculate and obtain an environment value HJu of the control area, wherein the formula is as follows:
Further, the control signal of the primary control area is sent to the user terminal in a mode of combining short message and voice, and is intermittently reminded, wherein the interruption time is one minute; the control signal of the secondary control area is sent to the user terminal in a voice mode and is reminded intermittently, and the intermittent time is five minutes; and the control signals of the three-level control area are sent to the user terminal in a short message mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method, a hardware monitoring module is used for carrying out hardware monitoring on a control area, a hardware value of the control area is obtained according to the total electric storage amount of a storage battery in the control area, the transmission length of an electric power line, the loss average rate of the electric power line and the conversion average rate of an inverter, meanwhile, the environment of the control area is monitored through an environment monitoring module, an environment value of the control area is obtained through calculation according to the gray level average value, the temperature difference value and the altitude height of the control area, the hardware value and the environment value of the control area are sent to a power calculation module, the power calculation module calculates the generated power of the control area, a power calculation value of the control area is obtained according to a real-time power value, when the generated power of new energy is calculated, the hardware factor and the environment factor of the control area are comprehensively considered, and the generated power of the new energy is calculated more accurately;
2. according to the invention, the power grid area is divided through the area dividing module to obtain the control area and the corresponding control value, the area dividing module sends the control value of the control area to the level defining module, the level defining module carries out control level definition according to the control value of the control area and the power generation power, the control grade value of the control area is obtained according to the control value of the control area and the corresponding power calculation value, the control grade value of the control area is compared with the control grade threshold value to obtain the control grade of the control area, and the design realizes that the divided area power grid is reasonably matched with the corresponding control grade.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the system for managing and controlling the power generated by the new energy based on the regional power grid includes a data acquisition module, a regional division module, a level definition module, a power calculation module, an environment monitoring module, a hardware monitoring module, a user terminal and a server;
the server is connected with a user terminal;
in the embodiment, when the new energy is specifically implemented, the new energy is solar energy, but is not limited to the solar energy, the new energy used for the new energy power generation may also be wind energy, biomass energy, geothermal energy, wave energy, hydrogen energy, ocean current energy, tidal energy, and the like, the region division module is used for dividing the power grid region, and the division process is specifically as follows:
the method comprises the following steps: dividing a power grid area into a plurality of control areas according to administrative area boundary lines, and marking the control areas as u, u =1, 2, … …, z and z as positive integers; acquiring the number of resident persons in the control area, and marking the number of the resident persons as JRu;
step two: acquiring the monthly power consumption of the control area of the first three months of the system, and adding and averaging to obtain the monthly average power consumption of the control area; adding and summing the monthly average power consumption of the control area and dividing the sum by the number of the resident persons to obtain the monthly average power consumption RJDu of each resident person in the control area;
step three: acquiring the number of new energy power generation equipment in a control area, and marking the number of the new energy power generation equipment as SBu; obtaining maintenance times of each new energy power generation device, adding the maintenance times of each new energy power generation device, summing the maintenance times, and dividing the sum by the number of the new energy power generation devices to obtain maintenance average times JWu of the new energy power generation devices in the monitoring area;
step four: the control value GKu of the control area is calculated by using a formula, which is specifically as follows:
the region dividing module sends a control value of a control region to the server and the grade defining module; the data acquisition module is used for acquiring hardware information, environment information and a real-time power value of a control area and sending the hardware information, the environment information and the real-time power value to the server; after the server receives the hardware information, the environment information and the real-time power value of the control area sent by the data acquisition module, the server sends the hardware information of the control area to the hardware monitoring module, the server sends the environment information of the control area to the environment monitoring module, and the server sends the real-time power value of the control area to the power calculation module and the power analysis module;
specifically, the following are: the hardware information is specifically: the number and the storage capacity of storage batteries in a control area, the length and the loss rate of a power line and the conversion rate of an inverter are controlled; the environment information is specifically: temperature values, dust values, altitude and the like in the control area;
the calculation method of the loss rate of the power line is specifically as follows:
calculating the line resistance: 20 ℃, aluminum resistivity: 0.0283. omega. mm 2/m; copper 0.0175 Ω · mm2/m, total length of single-phase 220V circuit line 2 × L, total length of three phases 1.7 × L, and cross-sectional area of wire S, then, line resistance R = total length of resistivity/S;
line current: the current value can be obtained by actual measurement or calculation, wherein the single-phase 220V line current = the rated power/220 of the device, and the three-phase line current = the rated power/rated voltage/1.732/power factor;
electric wire loss: the power loss of the single-phase 220V circuit wire = the square of the line current R, and the power loss of the three-phase circuit wire = the square of the line current R3R;
when three phases are unbalanced, calculating according to the maximum current;
the method comprises the following steps that a hardware monitoring module receives hardware information of a control area sent by a server, the hardware monitoring module is used for monitoring hardware of the control area, and the monitoring process specifically comprises the following steps:
step S1: acquiring all storage batteries in a control area to obtain the storage capacity of each storage battery; adding and summing the storage capacity of each storage battery to obtain the storage capacity XDZu of the control area;
step S2: acquiring the transmission length of a power line in a control area, and marking the transmission length as SCu; obtaining the loss rate of each power line in the control area, and obtaining the loss average rate JSHU after adding and calculating the average value of the loss rates of each power line;
step S3: acquiring all inverters in a control area to obtain the conversion rate ZHu of each inverter; adding and summing the conversion rate of each inverter to obtain the conversion average rate JZHu of the inverters in the control area;
step S4: by the formula
Calculating to obtain a hardware value YJu of the control area; in the formula, b1, b2 and b3 are all proportional coefficient fixed values, and the values of b1, b2 and b3 are all larger than zero;
the environment monitoring module is used for monitoring the environment of the control area, and the monitoring process specifically comprises the following steps:
step SS 1: acquiring weather forecast of a control area for fifteen days in the future, acquiring temperature values and dust values of the control area for fifteen days in the future, and calculating the mean values to obtain a temperature mean value WJu and a gray level mean value HDJu of the control area for fifteen days in the future;
step SS 2: obtaining a temperature threshold WYu corresponding to the control area, and obtaining a temperature difference value WCu of the control area after calculating a difference value between the temperature threshold WYu and the temperature mean WJu; the temperature threshold is the temperature at which the transmission power is optimal in the control area;
step SS 3: acquiring the altitude of the control area, and marking the altitude as GDu;
step SS 4: the temperature difference value WCu, the gray level mean value HDJu and the altitude GDu of the control area are combined with a calculation formula to calculate and obtain an environment value HJu of the control area, wherein the formula is as follows:
the hardware detection module sends the hardware value of the control area to the power calculation module; the environment monitoring module sends the environment value of the supervision area to the power calculation module; after the power calculation module receives the hardware value and the environment value of the control area, the power calculation module is used for calculating the generated power of the control area, and the calculation process specifically comprises the following steps:
step P1: acquiring a hardware value YJu and an environment value HJu of a control area obtained through calculation;
step P2: acquiring a real-time power value of a control area, and marking the real-time power value as GLu;
step P3: combined calculation formula
Calculating to obtain a power calculation value GJu of the control area; in the formula, d1, d2 and d3 are all calculation coefficient fixed numerical values, and the values of d1, d2 and d3 are all larger than zero;
the power calculation module sends the power calculation value of the control area to the level definition module, the level definition module receives the power calculation value and the control value of the control area, the level definition module defines the control level according to the control value and the power generation power of the control area, and the definition process is as follows:
step W1: acquiring a control value GKu and a corresponding power calculation value GJu of a control area;
step W2: calculating a control grade value DJu of the control area by using a formula DJu = alpha + GKu/GJu; in the formula, alpha is a calculation compensation fixed value, and the value of alpha is greater than zero;
step W3: comparing the control level value DJu of the control area with a control level threshold value;
if DJu is less than X1, the control level of the control area is a three-level control area;
if the X1 is not less than DJu and is more than X2, the control level of the control area is a secondary control area;
if the X2 is less than DJu, the control level of the control area is a primary control area; wherein X1 and X2 are both regulatory level thresholds, and X1 < X2;
the level definition module feeds back the control level of the control area to the server, the server sends control signals of different levels to the user terminal according to the control level of the control area, and the user terminal is used for receiving the control signals of different levels;
the control signal of the primary control area is sent to the user terminal in a mode of combining short message and voice, and is intermittently reminded, wherein the intermittent time is one minute;
the control signal of the secondary control area is sent to the user terminal in a voice mode and is reminded intermittently, and the intermittent time is five minutes;
the control signal of the third-level control area is sent to the user terminal in a short message mode;
the system further comprises a power analysis module, wherein the power analysis module is used for analyzing the transmission power in the pipe control area, and the analysis process specifically comprises the following steps:
step Q1: acquiring real-time power generation power of a control area during work, and setting a corresponding monitoring time period, wherein the starting time of the monitoring time period is recorded as TKu, the ending time of the monitoring time period is recorded as TJu, and the middle time of the monitoring time period is recorded as TZu;
step Q2: respectively acquiring real-time power values of a control area at the opening time, the middle time and the ending time, and sequentially marking the real-time power values as GLTKu, GLTZu and GLTJu;
step Q3: using formulas
Calculating to obtain the power change rate GB1u in the first time period by using a formula
Calculating to obtain a power change rate GB2u in a second time period; wherein the first time period is from the start time TKu to the middle time TZu, and the second time period is from the middle time TZu to the end time TJu;
step Q4: calculating the difference between the power change rate GB1u in the first time period and the power change rate GB2u in the second time period to obtain a power difference value GCu;
step Q5: if GCu is less than N1, generating a power verification signal;
if the N1 is not more than GCu and is less than N2, generating a power abnormal signal;
if N2 is less than GCu, generating a power fault signal; wherein N1 and N2 are both power difference thresholds, and N1 is less than N2;
the power analysis module feeds back the power verification signal, the power abnormal signal or the power fault signal to the server, and the server sends the power verification signal, the power abnormal signal or the power fault signal to the corresponding user terminal.
When the new energy power generation power control system based on the regional power grid works, the power grid region is divided through the region division module, the power grid region is divided into a plurality of control regions, and according to the number JRu of resident persons in the control regions, the average monthly power consumption RJDu of each resident person in the control regions, the number SBu of new energy power generation equipment and the maintenance average number JWu of the new energy power generation equipment, a formula is utilized
Calculating to obtain a control value GKu of the control area, and sending the control value of the control area to the server and the level definition module by the area division module;
the data acquisition module acquires hardware information, environment information and a real-time power value of a control area and sends the hardware information, the environment information and the real-time power value to the server, after the server receives the hardware information, the environment information and the real-time power value of the control area sent by the data acquisition module, the server sends the hardware information of the control area to the hardware monitoring module, the server sends the environment information of the control area to the environment monitoring module, and the server sends the real-time power value of the control area to the power calculation module and the power analysis module;
the hardware monitoring module receives hardware information of a control area sent by the server, performs hardware monitoring on the control area, and passes through a formula according to the total storage amount XDZu of a storage battery in the control area, the transmission length SCu of a power line, the loss average rate JSHU of the power line and the conversion average rate JZHu of an inverter
Calculating to obtain a hardware value YJu of the control area, simultaneously monitoring the environment of the control area through an environment monitoring module, and combining a calculation formula according to the gray average value HDJu, the temperature difference value WCu and the altitude GDu of the control area
Calculating to obtain an environment value of a control area, sending the hardware value of the control area to a power calculation module by a hardware detection module, and sending the environment value of a supervision area to the power calculation module by an environment monitoring module;
after the power calculation module receives the hardware value and the environment value of the control area, the power calculation module calculates the generated power of the control area, obtains the hardware value YJu, the environment value HJu and the real-time power value GLu of the control area, and combines the calculation formula
Calculating to obtain a power calculation value GJu of the control area, and sending the power calculation value of the control area to the level defining module by the power calculating module;
the level definition module receives the power calculation value and the control value of the control area, performs level definition according to the control value and the power generation power of the control area, obtains a control value GKu and a corresponding power calculation value GJu of the control area, calculates a control level value DJu of the control area by using a formula DJu = α + GKu/GJu, compares the control level value DJu of the control area with a control level threshold value, and if DJu < X1, the control level of the control area is a third-level control area, if X1 is not less than DJu and is less than X2, the control level of the control area is a second-level control area, if X2 and is less than DJu, the control level of the control area is set as a first-level control area, the level definition module feeds the control level of the control area back to the server, the server sends control signals of different levels to the user terminal according to the control level of the control area, and the user terminal is used for receiving the control signals of different levels;
the system further comprises a power analysis module, the power analysis module analyzes the transmission power in the control area, acquires the real-time power generation power of the control area during work, sets corresponding monitoring time periods, respectively acquires the real-time power values of the control area at the starting time, the middle time and the ending time, and utilizes a formula
Calculating to obtain the power change rate GB1u in the first time period by using a formula
Calculating to obtain a power change rate GB2u in a second time period, calculating a difference value between the power change rate GB1u in the first time period and the power change rate GB2u in the second time period to obtain a power difference value GCu, generating a power verification signal if GCu is less than N1, generating a power abnormal signal if N1 is less than or equal to GCu is less than N2, generating a power fault signal if N2 is less than GCu, feeding the power verification signal, the power abnormal signal or the power fault signal back to the server by the power analysis module, and sending the power verification signal, the power abnormal signal or the power fault signal to a corresponding user terminal by the server.
The above formulas are all calculated by taking the numerical value of the dimension, the formula is a formula which obtains the latest real situation by acquiring a large amount of data and performing software simulation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The new energy power generation power control system based on the regional power grid is characterized by comprising a data acquisition module, a region division module, a grade definition module, a power calculation module, an environment monitoring module, a hardware monitoring module, a user terminal and a server, wherein the server is connected with the user terminal, the region division module is used for dividing the power grid region to obtain a control region and a control value GKu of the control region, and the region division module is used for sending the control value of the control region to the server and the grade definition module;
the data acquisition module is used for acquiring hardware information, environment information and a real-time power value of a control area and sending the hardware information, the environment information and the real-time power value to the server; the server sends hardware information of a control area to the hardware monitoring module, the server sends environment information of the control area to the environment monitoring module, and the server sends a real-time power value of the control area to the power calculation module and the power analysis module;
the hardware monitoring module is used for monitoring hardware of the control area to obtain a hardware value YJu of the control area, and the environment monitoring module is used for monitoring the environment of the control area to obtain an environment value HJu of the control area;
the hardware detection module sends a hardware value of the control area to the power calculation module; the environment monitoring module sends the environment value of the supervision area to the power calculation module; after the power calculation module receives the hardware value and the environment value of the control area, the power calculation module is used for calculating the generated power of the control area, and the calculation process specifically comprises the following steps:
step P1: acquiring a hardware value YJu and an environment value HJu of a control area obtained through calculation;
step P2: acquiring a real-time power value of a control area, and marking the real-time power value as GLu;
step P3: combined calculation formula
Calculating to obtain a power calculation value GJu of the control area; in the formula, d1, d2 and d3 are all calculation coefficient fixed numerical values, and the values of d1, d2 and d3 are all larger than zero;
the power calculation module sends the power calculation value of the control area to the level definition module, the level definition module receives the power calculation value and the control value of the control area, the level definition module defines the control level according to the control value and the generated power of the control area, and the definition process specifically comprises the following steps:
step W1: acquiring a control value GKu and a corresponding power calculation value GJu of a control area;
step W2: calculating a control grade value DJu of the control area by using a formula DJu = α + GKu/GJu; in the formula, alpha is a calculation compensation fixed value, and the value of alpha is greater than zero;
step W3: comparing the control level value DJu of the control area with a control level threshold value;
if DJu is less than X1, the control level of the control area is a three-level control area;
if the X1 is not less than DJu and is more than X2, the control level of the control area is a secondary control area;
if the X2 is less than DJu, the control level of the control area is a primary control area; wherein X1 and X2 are both regulatory level thresholds, and X1 < X2;
the level definition module feeds back the control level of the control area to the server, the server sends control signals of different levels to the user terminal according to the control level of the control area, and the user terminal is used for receiving the control signals of different levels.
2. The system as claimed in claim 1, wherein the hardware information includes the number and the storage capacity of the storage batteries in the controlled area, the length and the loss rate of the power line, and the conversion rate of the inverter, and the environmental information includes the temperature value, the dust value, and the altitude in the controlled area.
3. The system for managing and controlling power generation of new energy based on regional power grid according to claim 1, wherein the regional division module is specifically divided as follows:
the method comprises the following steps: dividing a power grid area into a plurality of control areas according to administrative area boundary lines, and marking the control areas as u, u =1, 2, … …, z and z as positive integers; acquiring the number of resident persons in the control area, and marking the number of the resident persons as JRu;
step two: acquiring the monthly power consumption of the control area of the first three months of the system, and adding and averaging to obtain the monthly average power consumption of the control area; adding and summing the monthly average power consumption of the control area and dividing the sum by the number of the resident persons to obtain the monthly average power consumption RJDu of each resident person in the control area;
step three: acquiring the number of new energy power generation equipment in a control area, and marking the number of the new energy power generation equipment as SBu; obtaining the maintenance times of each new energy power generation device, adding the maintenance times of each new energy power generation device, summing the maintenance times, and dividing the sum by the number of the new energy power generation devices to obtain JWu maintenance times of the new energy power generation devices in the monitoring area;
step four: the control value GKu of the control area is calculated by using a formula, which is specifically as follows:
4. The system according to claim 1, wherein a monitoring process of the hardware monitoring module is as follows:
step S1: acquiring all storage batteries in a control area to obtain the storage capacity of each storage battery; adding and summing the storage capacity of each storage battery to obtain the storage capacity XDZu of the control area;
step S2: acquiring the transmission length of a power line in a control area, and marking the transmission length as SCu; obtaining the loss rate of each power line in the control area, and obtaining the loss average rate JSHU after adding and calculating the average value of the loss rates of each power line;
step S3: acquiring all inverters in a control area to obtain the conversion rate ZHu of each inverter; adding and summing the conversion rate of each inverter to obtain the conversion average rate JZHu of the inverters in the control area;
step S4: by the formula
Calculating to obtain a hardware value YJu of the control area; in the formula, b1, b2 and b3 are all proportional coefficient fixed values, and the values of b1, b2 and b3 are all larger than zero.
5. The system for managing and controlling power generation of new energy based on regional power grid according to claim 1, wherein the monitoring process of the environment monitoring module is as follows:
step SS 1: acquiring weather forecast of a control area for fifteen days in the future, acquiring temperature values and dust values of the control area for fifteen days in the future, and calculating the mean values to obtain a temperature mean value WJu and a gray level mean value HDJu of the control area for fifteen days in the future;
step SS 2: obtaining a temperature threshold WYu corresponding to the control area, and obtaining a temperature difference value WCu of the control area after calculating a difference value between the temperature threshold WYu and the temperature mean value WJu; the temperature threshold is the temperature at which the transmission power is optimal in the control area;
step SS 3: acquiring the altitude of the control area, and marking the altitude as GDu;
step SS 4: the temperature difference value WCu, the gray level mean value HDJu and the altitude GDu of the control area are combined with a calculation formula to calculate and obtain an environment value HJu of the control area, wherein the formula is as follows:
6. The system according to claim 1, wherein the control signal of the primary control area is sent to the user terminal in a form of a combination of a short message and voice, and is intermittently reminded, wherein the interruption time is one minute; the control signal of the secondary control area is sent to the user terminal in a voice mode and is reminded intermittently, and the intermittent time is five minutes; and the control signals of the three-level control area are sent to the user terminal in a short message mode.
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| CN115169990A (en) * | 2022-09-02 | 2022-10-11 | 南京华盾电力信息安全测评有限公司 | Electric power comprehensive intelligent energy service management system based on user side |
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| CN115169990A (en) * | 2022-09-02 | 2022-10-11 | 南京华盾电力信息安全测评有限公司 | Electric power comprehensive intelligent energy service management system based on user side |
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