CN117318296B - Intelligent park electricity consumption management system and management method - Google Patents
Intelligent park electricity consumption management system and management method Download PDFInfo
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- CN117318296B CN117318296B CN202311264410.2A CN202311264410A CN117318296B CN 117318296 B CN117318296 B CN 117318296B CN 202311264410 A CN202311264410 A CN 202311264410A CN 117318296 B CN117318296 B CN 117318296B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H02J13/00004—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 power network being locally controlled
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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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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Abstract
The invention discloses an intelligent park electricity consumption management system and method, comprising a data acquisition unit, a management identification unit and an information output unit, relating to the technical field of intelligent park electricity consumption management, solving the technical problems that part of the intelligent park electricity consumption management cannot be well managed and specific electricity stealing situation analysis is not reasonably carried out according to data.
Description
Technical Field
The invention relates to the technical field of electricity consumption management of intelligent parks, in particular to an electricity consumption management system and an electricity consumption management method of an intelligent park.
Background
The garden refers to a specific area uniformly planned by a government, and can be generally divided into an industrial garden, a logistics garden, a science and technology garden, a cultural industry garden, a self-trade garden, an agricultural garden and other redundant areas, and along with the development of economy and the continuous deepening of investment of the garden, the electricity consumption of the garden is also increased along with the rapid increase of the development of the economy.
According to the patent display of application number CN202010652670.7, this patent includes total automatically controlled terminal, power management module, data synthesis collection module and electric power theftproof monitoring module, total automatically controlled terminal's output and power management module's input electric connection, power management module respectively with the data synthesis collection module feedback electric connection in garden A, garden B and the garden C. According to the invention, the power management module and the data comprehensive acquisition module are arranged, the data comprehensive acquisition module can acquire the power information in the park A, the park B and the park C respectively, and feed the power information back to the power management module, so that the park A, the park B or the park C can always keep a sufficient power ration, the situation that the park A, the park B or the park C is powered off due to insufficient power supply can be effectively avoided, and the loss of the park A, the park B or the park C due to insufficient power can be avoided in advance.
Most of the existing intelligent park electricity consumption monitoring systems monitor different areas in a voltage and current monitoring mode when in use, and the mode can timely avoid serious accidents caused by abnormal electricity consumption, but the system cannot well monitor the situation that electricity is stolen for enterprises in park parts, cannot perform good feedback according to data, and can cause serious loss if electricity consumption errors occur in follow-up work for the situation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent park electricity consumption management system and an intelligent park electricity consumption management method, which solve the problems that the part of the intelligent park electricity consumption management system cannot well manage the situation of electricity stealing and the specific electricity stealing situation analysis is not reasonably carried out according to data.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an intelligent campus electricity management system, comprising:
the management recognition unit is used for acquiring and analyzing the transmitted basic data of the target object, judging whether the target object is abnormal or not according to the basic data, and classifying the target object to generate corresponding target object classification information, wherein the classification information comprises: the specific way of generating the target object classification information is as follows:
s1: all target objects are acquired, marked and recorded as i, i=1, 2, … and n, then the voltages Ui and the currents I i of the target objects with different marks are acquired, and the working powers G i of the target objects with different marks are calculated;
s2: comparing and judging the target working powers G i with different labels with the comparison value BJ, wherein the specific comparison mode is as follows: when G i is greater than or equal to BJ, it indicates that there is an abnormality in the target working power G i of the corresponding label, and the target of the label is marked as an abnormal region a, and a=1, 2, …, g, and abnormal region information is generated at the same time, and when G i < BJ, it indicates that there is no abnormality in the target working power G i of the corresponding label, and the target of the label is marked as a normal region b, b=1, 2, …, u, and u+g=i, and normal region information is generated at the same time. Specifically, the comparison value BJ represents an early warning value of power under normal conditions, the early warning value is determined by an operator, if the early warning value is exceeded, the situation that an abnormality exists in a corresponding area is indicated, and the abnormal area needs to be further queried abnormally.
The abnormal analysis unit is used for acquiring and analyzing the transmitted abnormal region information, classifying the abnormal region by analyzing the working power in the abnormal region, and generating abnormal region classification information at the same time, wherein the abnormal region classification information comprises: overload working area information and electricity consumption abnormal area information are transmitted to an area analysis unit, specific reason information is obtained by analyzing the electricity consumption abnormal area information, the specific reason information is transmitted to an information output unit, and abnormal area classification information is generated in the following specific mode:
p1: acquiring voltage Ua and current I a in an abnormal region, acquiring abnormal working power H i of the abnormal region, acquiring a working time mark of the abnormal region as Ta by taking the change of the working power Ha as a starting point, and substituting the working power Ha and the working time Ta into a formula Da=Ha×Ta to calculate to obtain the electricity consumption of the abnormal region as Da; specifically, the working time length Ta indicates that the timing is started when the working power Ga changes, the timing is stopped when the working power Ha returns to the normal condition, the time length Ta is recorded as the working time length Ta, and when the normal working power indicated by the abnormal working power Ha is converted into the abnormal working power, the average abnormal working power in the working time length Ta is represented by voltages Ua and I a, which are voltages and currents in the circuit.
P2: then, the power consumption of the ammeter in the working period Ta is obtained and recorded as HDa, and the following should be described: the electricity consumption of the electricity meter is represented as a change value of a number of the electricity meter when the working power is changed, and the electricity consumption Da of the abnormal area is compared, when HDa =Da, the electricity consumption of the abnormal area is normal, meanwhile, the abnormal area is marked as an overload working area and marked as z, z=1, 2, … and o, overload working area information is generated, when HDa noteq is equal to Da, the electricity consumption of the abnormal area is abnormal, meanwhile, the abnormal area is marked as an electricity consumption abnormal area and marked as y, y=1, 2, … and m, and o+m=a, and electricity consumption abnormal area information is generated. Specifically, in normal real life, how much electricity is used by a factory can be displayed on the electricity meter, if the electricity quantity on the electricity meter is different from the electricity quantity consumed in the circuit, the electricity meter is problematic, and under normal conditions, the circuit cannot have a large quantity of electricity loss and consumption.
P3: acquiring power consumption abnormal region information and substituting Ty and Dy into formulaCalculating to obtain the electricity meter measurement power Wy of the electricity consumption abnormal area y, wherein HDy is expressed as electricity meter consumption of the electricity consumption abnormal area, ty is expressed as working time of the electricity consumption abnormal area, then obtaining electricity meter current DLy, calculating to obtain electricity meter voltage DYy according to a formula Wy= DYy ×DLy, specifically, in real life, the electricity meter and a circuit are in series connection, so that the current of the electricity meter is identical to the current of the current, and then analyzing the electricity meter according to the electricity meter voltage DYy to obtain specific reason information, wherein the specific reason information comprises: the current abnormality information and the resistance value abnormality information are specifically analyzed as follows:
p31: when the ammeter voltage DYy is the same as the abnormal area voltage Uy, the ammeter current DLy is abnormal, current abnormality information is generated at the same time, and when the ammeter voltage DYy is different from the abnormal area voltage Uy, the ammeter voltage is abnormal;
p32: obtained is obtainedThe coulomb meter voltage DYy is then substituted into the formulaCalculating to obtain a resistance Ry of the electric quantity meter, judging whether an abnormality exists or not, and generating a corresponding resistance judgment result, wherein the resistance judgment result comprises the following steps: resistance value normal information and resistance value abnormal information.
Specifically, in real life, two situations exist in the smart park electricity stealing, one is a current-lack electricity stealing method, an electricity thief adopts various methods to deliberately change the normal wiring of a metering current loop or deliberately cause the fault of the metering current loop, so that a current coil of an electric energy meter does not pass current or only passes partial current, and thus electricity is less, the electricity stealing method is called the current-lack method electricity stealing, and the situations in the current-lack method electricity stealing are as follows: short circuit current loop and change circuit connection method, etc., one is under-voltage power-stealing method, deliberately cause the fault of metering voltage loop, cause the voltage coil of the electric energy meter to lose voltage or the voltage received to reduce, thus cause the electric quantity to be less, this kind of power-stealing method is called under-voltage power-stealing method, comprising: and opening a voltage loop, connecting a resistor in series to reduce voltage, and the like.
A management method of an intelligent park electricity management system specifically comprises the following steps:
step one: and dividing the normal area and the abnormal area of different areas according to the working power, and simultaneously monitoring the current and the voltage of the normal area to generate monitoring information.
Step two: and dividing the overload region and the electricity consumption abnormal region according to the power operation, and simultaneously analyzing the change trend of the working power of the overload region and generating an analysis result.
Step three: by analyzing the relation between the voltage and the current of the abnormal electricity utilization area, the specific reason of the abnormal electricity utilization area is analyzed.
Step four: and outputting the obtained monitoring information, analysis results and specific reasons.
Advantageous effects
The invention provides an intelligent park electricity consumption management system and an intelligent park electricity consumption management method. Compared with the prior art, the method has the following beneficial effects:
according to the method, the different types of areas are divided according to the working powers of the different areas, normal monitoring is carried out on the normal areas, and early warning processing is carried out on the electricity consumption of the normal areas by monitoring the voltage and the current, so that problems can be found timely and early warning is carried out, larger loss caused by electricity consumption errors is avoided, whether the situation of electricity stealing exists is judged according to the relation between the working power consumption and the electricity consumption of the electricity meter aiming at the abnormal areas, the way of carrying out electricity stealing is further analyzed according to the situation of electricity stealing, on one hand, the park can be effectively managed, and on the other hand, the problem can be conveniently and pertinently solved by follow-up security check personnel.
Drawings
FIG. 1 is a block diagram of a system of the present invention;
FIG. 2 is a process diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present application provides an electricity management system for an intelligent campus, including:
the data acquisition unit is used for acquiring basic data of a target object and transmitting the basic data of the target object to the management identification unit, wherein the target object comprises: the intelligent garden is in different areas, and basic data comprise: voltage, current and operating power.
The management recognition unit is used for acquiring and analyzing the transmitted basic data of the target object, judging whether the target object is abnormal or not according to the basic data, and classifying the target object to generate corresponding target object classification information, wherein the classification information comprises: the specific way of generating the target object classification information is as follows:
s1: all target objects are acquired, marked and recorded as i, i=1, 2, … and n, then the voltages Ui and the currents I i of the target objects with different marks are acquired, and the working powers Gi of the target objects with different marks are calculated at the same time;
s2: comparing and judging the target working powers Gi with different labels with the comparison value BJ, wherein the specific comparison mode is as follows: when Gi is greater than or equal to BJ, it indicates that there is an abnormality in the target operating power Gi of the corresponding label, and the target of the label is marked as an abnormal region a, and a=1, 2, …, g, and abnormal region information is generated at the same time, and when Gi < BJ, it indicates that there is no abnormality in the target operating power Gi of the corresponding label, and the target of the label is marked as a normal region b, b=1, 2, …, u, and u+g=i, and normal region information is generated at the same time. Specifically, the comparison value BJ represents an early warning value of power under normal conditions, the early warning value is determined by an operator, if the early warning value is exceeded, the situation that an abnormality exists in a corresponding area is indicated, and the abnormal area needs to be further queried abnormally.
The abnormal analysis unit is used for acquiring and analyzing the transmitted abnormal region information, classifying the abnormal region by analyzing the working power in the abnormal region, and generating abnormal region classification information at the same time, wherein the abnormal region classification information comprises: overload working area information and electricity consumption abnormal area information are transmitted to an area analysis unit, specific reason information is obtained by analyzing the electricity consumption abnormal area information, the specific reason information is transmitted to an information output unit, and abnormal area classification information is generated in the following specific mode:
p1: acquiring voltage Ua and current I a in an abnormal region, acquiring abnormal working power Hi of the abnormal region, acquiring a working time mark of the abnormal region as Ta by taking the change of the working power Ha as a starting point, and substituting the working power Ha and the working time Ta into a formula Da=Ha×Ta to calculate to obtain the electricity consumption of the abnormal region as Da; specifically, the working time length Ta indicates that the timing is started when the working power Ga changes, the timing is stopped when the working power Ha returns to the normal condition, the time length Ta is recorded as the working time length Ta, and when the normal working power indicated by the abnormal working power Ha is converted into the abnormal working power, the average abnormal working power in the working time length Ta is represented by voltages Ua and I a, which are voltages and currents in the circuit.
P2: then, the power consumption of the ammeter in the working period Ta is obtained and recorded as HDa, and the following should be described: the electricity consumption of the electricity meter is represented as a change value of a number of the electricity meter when the working power is changed, and the electricity consumption Da of the abnormal area is compared, when HDa =Da, the electricity consumption of the abnormal area is normal, meanwhile, the abnormal area is marked as an overload working area and marked as z, z=1, 2, … and o, overload working area information is generated, when HDa noteq is equal to Da, the electricity consumption of the abnormal area is abnormal, meanwhile, the abnormal area is marked as an electricity consumption abnormal area and marked as y, y=1, 2, … and m, and o+m=a, and electricity consumption abnormal area information is generated. Specifically, in normal real life, how much electricity is used by a factory can be displayed on the electricity meter, if the electricity quantity on the electricity meter is different from the electricity quantity consumed in the circuit, the electricity meter is problematic, and under normal conditions, the circuit cannot have a large quantity of electricity loss and consumption.
P3: acquiring power consumption abnormal region information and substituting Ty and Dy into formulaCalculating to obtain the ammeter measurement power Wy of the electricity utilization abnormal region y, wherein HDy is expressed as electricity consumption of the ammeter of the electricity utilization abnormal region, ty is expressed as working time of the electricity utilization abnormal region, then obtaining the ammeter current DLy, and calculating to obtain the ammeter voltage DYy according to the formula Wy= DYy ×DLy, specifically, in real life, the relationship between the ammeter and the circuit is in series connection, so that the current of the ammeter and the current are the same, and then the root isThe electricity meter is analyzed according to the electricity meter voltage DYy to obtain specific reason information, wherein the specific reason information comprises the following components: the current abnormality information and the resistance value abnormality information are specifically analyzed as follows:
p31: when the ammeter voltage DYy is the same as the abnormal area voltage Uy, the ammeter current DLy is abnormal, current abnormality information is generated at the same time, and when the ammeter voltage DYy is different from the abnormal area voltage Uy, the ammeter voltage is abnormal;
p32: the coulomb meter voltage DYy is obtained and then substituted into the formulaCalculating to obtain a resistance Ry of the electric quantity meter, judging whether an abnormality exists or not, and generating a corresponding resistance judgment result, wherein the resistance judgment result comprises the following steps: resistance value normal information and resistance value abnormal information.
Specifically, in real life, two situations exist in the smart park electricity stealing, one is a current-lack electricity stealing method, an electricity thief adopts various methods to deliberately change the normal wiring of a metering current loop or deliberately cause the fault of the metering current loop, so that a current coil of an electric energy meter does not pass current or only passes partial current, and thus electricity is less, the electricity stealing method is called the current-lack method electricity stealing, and the situations in the current-lack method electricity stealing are as follows: short circuit current loop and change circuit connection method, etc., one is under-voltage power-stealing method, deliberately cause the fault of metering voltage loop, cause the voltage coil of the electric energy meter to lose voltage or the voltage received to reduce, thus cause the electric quantity to be less, this kind of power-stealing method is called under-voltage power-stealing method, comprising: and opening a voltage loop, connecting a resistor in series to reduce voltage, and the like.
And the information output unit is used for acquiring the transmitted overload working area information and the specific reason information and displaying the overload working area information and the specific reason information to an operator through the display equipment.
In the second embodiment, as the second embodiment of the present invention, the difference from the first embodiment is that the normal area information of the transmission is acquired and analyzed by the normal identification unit.
The normal identification unit is used for acquiring and analyzing the transmitted normal area information, monitoring the normal area, and generating corresponding monitoring information by monitoring the voltage and the current of the normal area, wherein the monitoring information comprises: the normal signal and the abnormal signal, and transmits the monitoring information to the information output unit, and the specific mode for generating the monitoring information is as follows:
the normal region is obtained, marked as s, s=1, 2, … q, and the voltage Us and the current I s corresponding to the normal region are obtained and compared with the monitor value YS, respectively, when the voltage Us and the current I s are both in the monitor value YS, the system generates a normal signal, otherwise when any value of the voltage Us and the current I s is not in the monitor value YS, the system generates an abnormal signal. Specifically, when an abnormal signal appears, the system can automatically display the value with the abnormality, so that an operator can conveniently and reasonably process the value.
And the information output unit is used for acquiring the transmitted monitoring information and displaying the monitoring information to an operator through the display equipment.
The third embodiment is different from the first and second embodiments in that the area analysis unit acquires and analyzes the transmitted overload operation area information.
The area analysis unit is used for acquiring and analyzing the transmitted overload working area information, and analyzing the working power of the overload working area to generate a corresponding analysis result, wherein the analysis result comprises the following steps: the normal signal and the early warning signal transmit the analysis result to the information output unit at the same time, and the specific mode for generating the analysis result is as follows:
b1: all overload working areas are obtained, marked and marked as c, c=1, 2, … and e, meanwhile, the working power of the overload working areas is obtained and marked as Gc, meanwhile, the change trend of the working power Gc of the overload working areas is obtained, when the change trend is rising, the system generates an early warning signal, when the change trend is falling, the system generates a normal signal, and when the change trend is unchanged, the system generates an analysis signal;
b2: then, an analysis signal is obtained and analyzed, meanwhile, the working power Gc is obtained, then the working power Gc is compared with the maximum early warning value Gd, when Gc is more than or equal to 80% Gd, the early warning signal is generated by the system, and otherwise, when Gc is less than 80% Gd, the normal signal is generated by the system. Specifically, the maximum early warning value Gd represents the maximum power early warning value that can be borne in the circuit, and when the maximum power early warning value is reached, the system automatically carries out early warning prompt.
And the information output unit is used for acquiring the transmitted analysis result and displaying the analysis result to an operator through the display equipment.
In the fourth embodiment, as the fourth embodiment of the present invention, the emphasis is placed on the implementation of the first, second and third embodiments in combination.
An electricity management method for an intelligent park specifically comprises the following steps:
step one: and dividing the normal area and the abnormal area of different areas according to the working power, and simultaneously monitoring the current and the voltage of the normal area to generate monitoring information.
Step two: and dividing the overload region and the electricity consumption abnormal region according to the power operation, and simultaneously analyzing the change trend of the working power of the overload region and generating an analysis result.
Step three: by analyzing the relation between the voltage and the current of the abnormal electricity utilization area, the specific reason of the abnormal electricity utilization area is analyzed.
Step four: and outputting the obtained monitoring information, analysis results and specific reasons.
Some of the data in the above formulas are numerical calculated by removing their dimensionality, and the contents not described in detail in the present specification are all well known in the prior art.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (3)
1. An intelligent campus electricity management system, comprising:
the data acquisition unit is used for acquiring basic data of a target object and transmitting the basic data of the target object to the management identification unit, wherein the target object comprises: the intelligent garden is in different areas, and basic data comprise: voltage, current and operating power;
the management identification unit is used for acquiring and analyzing the transmitted basic data of the target object and generating corresponding target object classification information by classifying the target object according to the basic data, wherein the classification information comprises: the specific way of generating the target object classification information by the management and identification unit is as follows:
s1: all target objects are acquired, marked and recorded as i, i=1, 2, … and n, then the voltages Ui and the currents Ii of the target objects with different marks are acquired, and the working powers Gi of the target objects with different marks are calculated at the same time;
s2: comparing and judging the target working powers Gi with different labels with the comparison value BJ, wherein the specific comparison mode is as follows: when Gi is greater than or equal to BJ, it indicates that there is an abnormality in the target operating power Gi of the corresponding label, and the target of the label is marked as an abnormal region a, and a=1, 2, …, g, and abnormal region information is generated at the same time, and when Gi < BJ, it indicates that there is no abnormality in the target operating power Gi of the corresponding label, and the target of the label is marked as a normal region b, b=1, 2, …, u, and u+g=i, and normal region information is generated at the same time;
the abnormal analysis unit is used for acquiring and analyzing the transmitted abnormal region information, classifying the abnormal region by analyzing the working power in the abnormal region, and generating abnormal region classification information at the same time, wherein the abnormal region classification information comprises: overload working area information and electricity consumption abnormal area information are transmitted to an area analysis unit, the specific reason information is obtained by analyzing the electricity consumption abnormal area information, the specific reason information is transmitted to an information output unit, and the abnormal analysis unit generates abnormal area classification information in the following specific mode:
p1: acquiring voltage Ua and current Ia in an abnormal region, acquiring abnormal working power Hi of the abnormal region, acquiring a working time mark of the abnormal region as Ta by taking the change of the working power Ha as a starting point, and substituting the working power Ha and the working time Ta into a formula Da=Ha×Ta to calculate to obtain the electricity consumption of the abnormal region as Da;
p2: then, the power consumption of a coulometer in the working time length Ta is obtained and is recorded as HDa, the power consumption Da of an abnormal area is compared, when HDa =Da, the abnormal area is indicated to be normal in power consumption, meanwhile, the abnormal area is marked as an overload working area and is recorded as z, z=1, 2, … and o, overload working area information is generated, when HDa is not equal to Da, the abnormal area is indicated to be abnormal in power consumption, meanwhile, the abnormal area is marked as an abnormal area in power consumption and is recorded as y, y=1, 2, … and m, and o+m=a, and power consumption abnormal area information is generated;
acquiring power consumption abnormal region information and substituting Ty and Dy into formulaThe electric meter metering power Wy of the electric power utilization abnormal area y is calculated, HDy is expressed as electric power consumption of the electric power utilization meter of the electric power utilization abnormal area, ty is expressed as working time of the electric power utilization abnormal area, then the electric power meter current DLy is obtained, and the electric power utilization meter is judged according to the formula->The electricity meter voltage DYy is calculated, and then the electricity meter is analyzed according to the electricity meter voltage DYy to obtain specific reason information, wherein the specific reason information comprises: the current abnormality information and the resistance value abnormality information are specifically analyzed as follows:
a1: when the ammeter voltage DYy is the same as the abnormal area voltage Uy, the ammeter current DLy is abnormal, current abnormality information is generated at the same time, and when the ammeter voltage DYy is different from the abnormal area voltage Uy, the ammeter voltage is abnormal;
a2: the coulomb meter voltage DYy is obtained and then substituted into the formulaCalculating to obtain a resistance Ry of the electric quantity meter, judging whether an abnormality exists or not, and generating a corresponding resistance judgment result, wherein the resistance judgment result comprises the following steps: resistance value normal information and resistance value abnormal information;
the normal identification unit is used for acquiring and analyzing the transmitted normal area information, monitoring the normal area, and generating corresponding monitoring information by monitoring the voltage and the current of the normal area, wherein the monitoring information comprises: the normal signal and the abnormal signal, and transmit the monitoring information to the information output unit, the specific mode of the normal identifying unit generating the monitoring information is as follows:
acquiring a normal region, performing label processing on the normal region and recording the normal region as s, wherein s=1, 2 and … q, acquiring voltage Us and current Is corresponding to the normal region at the same time, respectively comparing the voltage Us and the current Is with a monitoring value YS, generating a normal signal by a system when the voltage Us and the current Is are both in the monitoring value YS, and otherwise, generating an abnormal signal by the system when any numerical value of the voltage Us and the current Is does not exist in the monitoring value YS;
the area analysis unit is used for acquiring and analyzing the transmitted overload working area information, and analyzing the working power of the overload working area to generate a corresponding analysis result, wherein the analysis result comprises the following steps: the normal signal and the early warning signal are transmitted to the information output unit at the same time, and the specific mode of generating the analysis result by the area analysis unit is as follows:
b1: all overload working areas are obtained, marked and marked as c, c=1, 2, … and e, meanwhile, the working power of the overload working areas is obtained and marked as Gc, meanwhile, the change trend of the working power Gc of the overload working areas is obtained, when the change trend is rising, the system generates an early warning signal, when the change trend is falling, the system generates a normal signal, and when the change trend is unchanged, the system generates an analysis signal;
b2: then, an analysis signal is obtained and analyzed, meanwhile, the working power Gc is obtained, then the working power Gc is compared with the maximum early warning value Gd, when Gc is more than or equal to 80% Gd, the early warning signal is generated by the system, and otherwise, when Gc is less than 80% Gd, the normal signal is generated by the system.
2. The electricity management system of claim 1, wherein the information output unit is configured to obtain the transmitted monitoring information, analysis result and specific cause information and display the same to the operator through the display device.
3. A method for performing the management of an electricity management system for a smart campus according to any one of claims 1-2, characterized in that the method comprises the steps of:
step one: dividing normal areas and abnormal areas of different areas according to working power, and simultaneously monitoring current and voltage of the normal areas to generate monitoring information;
step two: dividing an overload region and an electricity consumption abnormal region according to the working power, and simultaneously analyzing the working power change trend of the overload region and generating an analysis result;
step three: analyzing the relation between the voltage and the current of the abnormal electricity utilization area, and analyzing the specific reason of the abnormal electricity utilization area;
step four: and outputting the obtained monitoring information, analysis results and specific reasons.
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