CN116169791A - Power grid operation safety detection system containing pumped storage power station - Google Patents
Power grid operation safety detection system containing pumped storage power station Download PDFInfo
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- 238000004364 calculation method Methods 0.000 claims abstract description 44
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- 238000004458 analytical method Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims description 102
- 230000005611 electricity Effects 0.000 claims description 101
- 238000005086 pumping Methods 0.000 claims description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000010248 power generation Methods 0.000 claims description 48
- 239000003570 air Substances 0.000 claims description 46
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- 238000009413 insulation Methods 0.000 claims description 8
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- 230000000694 effects Effects 0.000 claims description 5
- 230000002411 adverse Effects 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
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- 230000017525 heat dissipation Effects 0.000 claims description 3
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- 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
Abstract
The invention provides a power grid operation safety detection system containing a pumped storage power station, which comprises the following specific steps: the power grid information acquisition module acquires power grid information in the power grid operation process of the pumped storage power station; the method comprises the steps that power grid information is transmitted to a data processing module, the data processing module receives the power grid information for processing and analysis, and power grid operation data and power grid environment data are obtained based on the power grid information; the method comprises the steps that power grid operation data and power grid environment data are transmitted to a data calculation module, the data calculation module receives the power grid operation data to acquire power grid safety operation parameters, and the data calculation module receives the power grid environment data to acquire the power grid environment safety parameters; the method is based on acquiring power grid information in the using process of the pumped storage power station, acquiring and analyzing the power grid information to obtain power grid safety operation parameters and power grid environment safety parameters, dividing intervals based on acquired parameter values, and judging the safety of power grid operation under different intervals.
Description
Technical Field
The invention relates to the technical field of pumped storage power stations, in particular to a power grid operation safety detection system of a pumped storage power station.
Background
The pumped storage power station pumps water to the upper reservoir by utilizing the electric energy in the low-peak period of the electric load, and discharges water to the hydropower station for generating electricity in the lower reservoir in the peak period of the electric load. Also known as energy storage hydropower stations. The system can convert the redundant electric energy when the power grid load is low into high-value electric energy in the peak period of the power grid, is also suitable for frequency modulation and phase modulation, stabilizes the cycle and voltage of a power system, is suitable for accident standby, and can also improve the efficiency of thermal power stations and nuclear power stations in the system.
In the prior art, in the use process of the pumped storage power station, the service life of the pumping efficiency of the pumping equipment is changed along with the change of the environment, the safety operation detection cannot be carried out based on the power grid operation condition in the pumping process, and the pumped storage environment cannot be changed based on the detection structure, so the invention provides a power grid operation safety detection system containing the pumped storage power station.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a power grid operation safety detection system containing a pumped storage power station, the invention obtains power grid safety operation parameters and power grid environment safety parameters based on the acquisition and analysis of the power grid information in the use process of the pumped storage power station, and the invention divides the intervals based on the obtained parameter values to judge the safety of the power grid operation in different intervals, thereby timely judging the environmental safety and the safety of pumping equipment in the use process of the pumped storage power station and improving the power grid operation safety of the pumped storage power station.
In order to achieve the above object, the present invention is realized by the following technical scheme: the system comprises a power grid operation safety detection system of a pumped storage power station, wherein the safety detection system comprises a power grid information acquisition module, a data processing module, a data calculation module, a safety judgment module, an operation management module, a power grid alarm module and a server; the power grid information acquisition module, the data processing module, the data calculation module, the safety judgment module, the operation management module and the power grid alarm module are respectively connected with the server in a data mode;
the power grid information acquisition module acquires power grid information in the power grid operation process of the pumped storage power station; the method comprises the steps that power grid information is transmitted to a data processing module, the data processing module receives the power grid information for processing and analysis, and power grid operation data and power grid environment data are obtained based on the power grid information; the method comprises the steps that power grid operation data and power grid environment data are transmitted to a data calculation module, the data calculation module receives the power grid operation data to acquire power grid safety operation parameters, and the data calculation module receives the power grid environment data to acquire the power grid environment safety parameters;
the method comprises the steps that the power grid safety operation parameters and the power grid environment safety parameters are transmitted to a safety judging module, the safety judging module receives the power grid safety operation parameters and the power grid environment safety parameters to carry out safety judgment, and the safety judging module carries out safety interval division based on the received power grid safety operation parameters and the power grid environment safety parameters; the operation management module performs environment control based on a safety interval divided by the power grid environment safety parameters, and the power grid alarm module sends out an alarm based on the acquired power grid safety operation parameters.
Further, the grid information includes grid environment information and grid operation information;
the power grid environment information comprises temperature information, humidity information and air density information;
it should be noted that: the temperature information is the temperature information of the motor of the energy storage power station, and the humidity information is the humidity information of the motor of the energy storage power station;
the power grid operation information comprises energy storage time information of an energy storage power station, energy storage electricity utilization information, power generation information and electricity utilization information of electronic components.
Further, the data processing module receives temperature information, humidity information and air density information in the power grid environment information for analysis, and the specific analysis is as follows:
when temperature information is analyzed, when the pumped storage power station pumps water, the ambient air temperature in the operation occasion of the pumping equipment becomes low, the internal insulating material becomes brittle, the bearing grease is frozen, the starting capacitor becomes invalid due to freezing of electrolyte, when the air temperature becomes high, the actual temperature of the winding is increased, the overheat has adverse effect on insulation, and the pumping speed and the service life of the pumping equipment are affected;
therefore, the operation information is acquired, and based on a plurality of temperature values in the operation information, the use condition of the pumping equipment at different temperatures is analyzed, and the influence of the temperature on the pumping equipment is judged;
when the humidity information is analyzed, the insulation resistance in the water pumping equipment is reduced along with the increase of the humidity, the influence on the water pumping equipment is larger as the humidity is higher, and the influence of the humidity on the water pumping equipment is judged based on the use condition of the water pumping equipment under different humidity by analyzing a plurality of humidity values in the humidity information;
when the air density information is analyzed, the heat dissipation difference of the water pumping equipment is reduced, the temperature rise of the internal winding of the water pumping equipment is increased, the air density influences the water pumping equipment, and the use condition of the water pumping equipment under different air density values is analyzed based on a plurality of air density values in the air density information to judge the influence of the air density values on the water pumping equipment;
defining the acquired temperature value, humidity value and air density value as power grid environment data;
the data processing module receives and analyzes energy storage time information, energy storage electricity utilization information, power generation information and electronic component electricity utilization information of an energy storage power station in the power grid operation information, and the specific analysis is as follows:
acquiring energy storage time information of an energy storage power station in a T time period, and arranging a plurality of energy storage time values in the energy storage time information of the energy storage power station according to the acquired time sequence;
acquiring the total energy storage power consumption based on the energy storage power consumption information, and acquiring the total power generation through the power generation information;
acquiring the total energy storage power consumption and the total power generation corresponding to each energy storage time value;
acquiring the number of each component in the water storage process of the energy storage power station, acquiring the use time and the electricity consumption value of each electronic component, arranging the electricity consumption value of each electronic component based on the change of the use time, observing the change of the electricity consumption value of each electronic component along with the change of the time, summing the electricity consumption values of the electronic components in the initial use to obtain a standard electricity consumption value, and summing the electricity consumption values of the electronic components in each time period to obtain an actual electricity consumption value;
and defining the energy storage time value, the energy storage electricity consumption total amount, the electricity generation total amount, the initial electricity consumption value and the actual electricity consumption value as power grid operation data, and transmitting the power grid operation data to a data calculation module.
Further, the electricity consumption change analysis is performed based on the change of the energy storage electricity consumption total amount and the electricity generation total amount at different energy storage time values, and the electricity consumption change analysis is performed specifically as follows:
taking an abscissa as an energy storage time value and an ordinate as electric quantity information as a plane rectangular coordinate system, representing the total energy storage electricity consumption and the total power generation in the form of a coordinate origin in the plane rectangular coordinate system, smoothly connecting the total energy storage electricity consumption coordinate points in a curve to form a total power consumption curve graph, and smoothly connecting the total power generation coordinate points in a curve to form a total power generation curve graph;
analyzing the electricity consumption total amount curve graph, observing the change of the electricity consumption total amount curve graph, judging that the electricity consumption total amount gradually increases along with the change of time if the curve is in an ascending state, and judging that the electricity consumption total amount gradually decreases along with the change of time if the curve is in a descending state;
analyzing the graph of the total power generation amount, observing the change of the graph of the total power generation amount, judging the change of the total power generation amount with time when the graph is in an ascending state, and judging the change of the total power generation amount with time when the graph is in a descending state, wherein the total power generation amount is gradually reduced.
Further, the data calculation module receives power grid operation data to acquire a power grid safety operation difference reference value, and receives power grid environment data to acquire a power grid environment reference value;
the data calculation module receives an energy storage time value, an energy storage electricity consumption total amount, a power generation total amount, an initial electricity consumption value and an actual electricity consumption value in the power grid operation data to acquire a power grid safe operation difference reference value;
obtaining a plurality of power grid safe operation difference reference values at different times based on a plurality of different energy storage time values, and defining the plurality of power grid safe operation difference reference values as power grid safe operation parameters;
the data calculation module receives the temperature value, the humidity value and the air density value in the power grid environment data to acquire a power grid environment reference value;
and obtaining a plurality of grid environment reference values based on the grid environment data acquired in different time periods, defining the plurality of grid environment reference values as grid environment safety parameters, and conveying the grid safety operation parameters and the grid environment safety parameters to a safety judging module.
Further, the safety judging module arranges a plurality of power grid safety operation difference reference values in power grid safety operation parameters according to the sequence from small to large, acquires the power grid safety operation difference reference values according to the arranged sequence, and sets a first safety operation reference interval, a second safety operation reference interval and a third safety operation reference interval;
the method comprises the steps of obtaining a power grid environment reference value corresponding to a power grid safety operation difference reference value in a first safety operation reference interval, defining the obtained power grid environment reference value as a standard environment interval, dividing the power grid environment reference value outside the interval into a first environment interval and a second environment interval, and conveying the divided operation safety interval and environment interval to an operation management module by a safety judgment module.
Further, when the operation management module receives that the power grid environment reference value in the power grid environment safety parameter is in the standard environment interval, the current operation environment is judged to be suitable for the water pumping equipment to work;
when the operation management module receives that a power grid environment reference value in the power grid environment safety parameter is in a first environment interval, judging that the current operation environment generally needs to be adjusted;
and when the operation management module receives that the power grid environment reference value in the power grid environment safety parameter is in the second environment interval, judging that the current operation environment is poor and the installation environment of the pumping equipment needs to be changed.
Further, the power grid alarm module receives that a power grid safety operation difference reference value in power grid safety operation parameters is in a first operation safety interval, and judges that the current pumping equipment is safe to operate;
the power grid alarm module receives that a power grid safety operation difference reference value in power grid safety operation parameters is in a second operation safety interval, and judges that the safety operation of the current pumping equipment is general, potential safety hazards exist, and overhauls the pumping equipment;
and the power grid alarm module receives that the power grid safety operation difference reference value in the power grid safety operation parameters is in a third operation safety interval, and judges that the operation safety of the current pumping equipment is poor, and the pumping equipment is replaced.
The invention has the beneficial effects that:
1. according to the invention, based on the acquisition of the power grid information in the use process of the pumped storage power station, the acquisition and analysis of the power grid information are carried out to obtain the power grid safe operation parameters and the power grid environment safety parameters, the interval division is carried out based on the acquired parameter values, the safety of the power grid operation in different intervals is judged, the environment safety in the use process of the pumped storage power station and the safety of pumping equipment can be timely judged, and the power grid operation safety of the pumped storage power station is improved.
2. According to the invention, through analyzing the power grid environment information, the change of the water pumping equipment under different environment parameters is judged, and the service life and the working efficiency of the water pumping equipment are influenced when the environment parameters change can be judged based on the analysis data, so that the influence of the environment factors on the working process of the water pumping equipment is obtained.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic block diagram of a system for detecting the operational safety of a power grid including a pumped-storage power station of the present invention;
FIG. 2 is a method step diagram of the system for detecting the safety of electric network operation of the pumped-storage power station.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the invention, referring to fig. 1 and 2, a power grid operation safety detection system including a pumped storage power station includes a power grid information acquisition module, a data processing module, a data calculation module, a safety judgment module, an operation management module, a power grid alarm module and a server; the power grid information acquisition module, the data processing module, the data calculation module, the safety judgment module, the operation management module and the power grid alarm module are respectively connected with the server in a data mode;
in the invention, when the safety detection is carried out in the power grid operation process of the pumped storage power station, the power grid information acquisition module acquires the power grid information in the power grid operation process of the pumped storage power station;
the power grid information comprises power grid environment information and power grid operation information;
the power grid environment information comprises temperature information, humidity information and air density information;
it should be noted that: the temperature information is the temperature information of the motor of the energy storage power station, and the humidity information is the humidity information of the motor of the energy storage power station;
the power grid operation information comprises energy storage time information of an energy storage power station, energy storage electricity utilization information, power generation information and electricity utilization information of electronic components;
the method comprises the steps that power grid information is transmitted to a data processing module, the data processing module receives the power grid information for processing and analysis, and power grid operation data and power grid environment data are obtained based on the power grid information;
the data processing module receives temperature information, humidity information and air density information in the power grid environment information for analysis, and the specific analysis is as follows:
when temperature information is analyzed, when the pumped storage power station pumps water, the ambient air temperature in the operation occasion of the pumping equipment becomes low, the internal insulating material becomes brittle, the bearing grease is frozen, the starting capacitor becomes invalid due to freezing of electrolyte, when the air temperature becomes high, the actual temperature of the winding is increased, the overheat has adverse effect on insulation, and the pumping speed and the service life of the pumping equipment are affected;
it should be noted that: the temperature becoming lower means that the operating temperature of the pumping device is lower than the normal operating temperature, and the temperature becoming higher means that the operating temperature of the pumping device is higher than the normal operating temperature, for example: if the normal working temperature of the water pumping equipment is 5-30 ℃, the temperature is lower when the temperature is lower than 5 ℃, and the temperature is higher when the temperature is higher than 30 ℃.
Therefore, the operation information is acquired, and based on a plurality of temperature values in the operation information, the use condition of the pumping equipment at different temperatures is analyzed, and the influence of the temperature on the pumping equipment is judged;
when the humidity information is analyzed, the insulation resistance in the water pumping equipment is reduced along with the increase of the humidity, the influence on the water pumping equipment is larger as the humidity is higher, and the influence of the humidity on the water pumping equipment is judged based on the use condition of the water pumping equipment under different humidity by analyzing a plurality of humidity values in the humidity information;
when the air density information is analyzed, the heat dissipation difference of the water pumping equipment is reduced, the temperature rise of the internal winding of the water pumping equipment is increased, the air density influences the water pumping equipment, and the use condition of the water pumping equipment under different air density values is analyzed based on a plurality of air density values in the air density information to judge the influence of the air density values on the water pumping equipment;
defining the acquired temperature value, humidity value and air density value as power grid environment data;
the data processing module receives and analyzes energy storage time information, energy storage electricity utilization information, power generation information and electronic component electricity utilization information of an energy storage power station in the power grid operation information, and the specific analysis is as follows:
acquiring energy storage time information of an energy storage power station in a T time period, and arranging a plurality of energy storage time values in the energy storage time information of the energy storage power station according to the acquired time sequence;
acquiring the total energy storage power consumption based on the energy storage power consumption information, and acquiring the total power generation through the power generation information;
acquiring the total energy storage power consumption and the total power generation corresponding to each energy storage time value;
acquiring the number of each component in the water storage process of the energy storage power station, acquiring the use time and the electricity consumption value of each electronic component, arranging the electricity consumption value of each electronic component based on the change of the use time, observing the change of the electricity consumption value of each electronic component along with the change of the time, summing the electricity consumption values of the electronic components in the initial use to obtain a standard electricity consumption value, and summing the electricity consumption values of the electronic components in each time period to obtain an actual electricity consumption value;
defining an energy storage time value, an energy storage electricity consumption total amount, a power generation total amount, an initial electricity consumption value and an actual electricity consumption value as power grid operation data, and transmitting the power grid operation data to a data calculation module;
and carrying out electricity consumption change analysis based on the change of the energy storage electricity consumption total amount and the electricity generation total amount at different energy storage time values, wherein the electricity consumption change analysis is carried out by the following steps:
taking an abscissa as an energy storage time value and an ordinate as electric quantity information as a plane rectangular coordinate system, representing the total energy storage electricity consumption and the total power generation in the form of a coordinate origin in the plane rectangular coordinate system, smoothly connecting the total energy storage electricity consumption coordinate points in a curve to form a total power consumption curve graph, and smoothly connecting the total power generation coordinate points in a curve to form a total power generation curve graph;
analyzing the electricity consumption total amount curve graph, observing the change of the electricity consumption total amount curve graph, judging that the electricity consumption total amount gradually increases along with the change of time if the curve is in an ascending state, and judging that the electricity consumption total amount gradually decreases along with the change of time if the curve is in a descending state;
analyzing the total power generation curve graph, observing the change of the total power generation curve graph, judging the change with time if the curve is in an ascending state, judging the change with time if the curve is in a descending state, and gradually reducing the total power generation;
the method comprises the steps that power grid operation data and power grid environment data are transmitted to a data calculation module, the data calculation module receives the power grid operation data to acquire power grid safety operation parameters, and the data calculation module receives the power grid environment data to acquire the power grid environment safety parameters;
the data calculation module receives power grid operation data to acquire a power grid safety operation difference reference value, and receives power grid environment data to acquire a power grid environment reference value;
when the data calculation module acquires the reference value of the safety operation difference of the power grid, the data calculation module specifically comprises the following steps:
the data calculation module receives an energy storage time value, an energy storage electricity consumption total amount, a power generation total amount, an initial electricity consumption value and an actual electricity consumption value in the power grid operation data to acquire a power grid safe operation difference reference value;
the energy storage time value is set as follows: XNSJSZ; the total energy storage electricity consumption is as follows: XNYDZL; the total power generation amount is as follows: FDZL; the initial electricity consumption value is as follows: CSYDZ; the actual electricity consumption value is as follows: sJYDZ; the reference value of the safe operation difference of the power grid is as follows: aqyxcyz;
for specific calculations, refer to the following formula:
obtaining a plurality of power grid safe operation difference reference values at different times based on a plurality of different energy storage time values, and defining the plurality of power grid safe operation difference reference values as power grid safe operation parameters;
when the data calculation module acquires the power grid environment safety parameters, the data calculation module specifically comprises the following steps:
the data calculation module receives the temperature value, the humidity value and the air density value in the power grid environment data to acquire a power grid environment reference value;
the set temperature values are: WDSZ; the humidity value is: SDSZ; the air density values were: KQMDZ; the grid environment reference values are: DWHJCKZ;
for specific calculations, refer to the following formula:
DWHJCKZ=WDSZ×SDSZ×KQMDZ；
obtaining a plurality of power grid environment reference values based on power grid environment data obtained in different time periods, and defining the plurality of power grid environment reference values as power grid environment safety parameters;
the method comprises the steps that the power grid safety operation parameters and the power grid environment safety parameters are transmitted to a safety judging module, the safety judging module receives the power grid safety operation parameters and the power grid environment safety parameters to conduct safety judgment, and the safety judging module conducts safety interval division based on the received power grid safety operation parameters and the power grid environment safety parameters;
arranging a plurality of power grid safe operation difference reference values in power grid safe operation parameters according to the sequence from small to large, acquiring the power grid safe operation difference reference values according to the arranged sequence, and setting a first safe operation interval, a second safe operation reference interval and a third safe operation reference interval;
acquiring a power grid environment reference value corresponding to a power grid safety operation difference reference value in a first safety operation reference interval, defining the acquired power grid environment reference value as a standard environment interval, and dividing the power grid environment reference value outside the interval into a first environment interval and a second environment interval;
the operation management module performs environment control based on a safety interval divided by the power grid environment safety parameters, and the power grid alarm module sends out an alarm based on the acquired power grid safety operation parameters.
When the operation management module receives that the power grid environment reference value in the power grid environment safety parameter is in the standard environment interval, judging that the current operation environment is suitable for the water pumping equipment to work;
when the operation management module receives that a power grid environment reference value in the power grid environment safety parameter is in a first environment interval, judging that the current operation environment generally needs to be adjusted;
when the operation management module receives that the power grid environment reference value in the power grid environment safety parameter is in the second environment interval, judging that the current operation environment is poor and the installation environment of the pumping equipment needs to be changed;
the power grid alarm module receives that the power grid safety operation difference reference value in the power grid safety operation parameters is in a first operation safety interval, and judges the operation safety of the current pumping equipment;
the power grid alarm module receives that a power grid safety operation difference reference value in power grid safety operation parameters is in a second operation safety interval, and judges that the safety operation of the current pumping equipment is general, potential safety hazards exist, and overhauls the pumping equipment;
and the power grid alarm module receives that the power grid safety operation difference reference value in the power grid safety operation parameters is in a third operation safety interval, and judges that the operation safety of the current pumping equipment is poor, and the pumping equipment is replaced.
The power grid operation safety detection system with the pumped storage power station specifically comprises the following steps when safety operation detection is carried out:
step S1: acquiring power grid information in the power grid operation process of the pumped storage power station, transmitting the power grid information to a data processing module, and processing and analyzing the power grid information received by the data processing module to obtain power grid operation data and power grid environment data based on the power grid information;
the power grid information comprises power grid environment information and power grid operation information;
the power grid environment information comprises temperature information, humidity information and air density information;
the power grid operation information comprises energy storage time information of an energy storage power station, energy storage electricity utilization information, power generation information and electricity utilization information of electronic components;
the data processing module receives temperature information, humidity information and air density information in the power grid environment information for analysis, and the specific analysis steps are as follows:
step S11: acquiring operation information, analyzing the service conditions of the pumping equipment at different temperatures based on a plurality of temperature values in the operation information, and judging the influence of the temperature on the pumping equipment; when the water pumping and storing power station pumps water, when the ambient air temperature of the running occasion of the water pumping equipment is low, the internal insulating material of the water pumping equipment becomes brittle, the bearing lubricating grease is frozen, the starting capacitor is invalid due to the freezing of the electrolyte, when the air temperature is high, the actual temperature of the winding is increased, the overheat has adverse effect on insulation, and the water pumping speed and the service life of the water pumping equipment are affected;
step S12: based on a plurality of humidity values in the humidity information, analyzing the use condition of the pumping equipment under different humidity, judging the influence of the humidity on the pumping equipment, wherein the insulation resistance in the pumping equipment is reduced along with the increase of the humidity, and the influence on the pumping equipment is larger when the humidity is higher;
step S13: based on a plurality of air density values in the air density information, analyzing the use condition of the water pumping equipment under different air density values, judging the influence of the air density values on the water pumping equipment, and when the air density information is analyzed, increasing the temperature rise of the internal winding of the water pumping equipment along with the reduction of the air density, wherein the influence of the air density on the water pumping equipment is generated;
step S14: defining the acquired temperature value, humidity value and air density value as power grid environment data;
step S15: acquiring energy storage time information of an energy storage power station in a T time period, and arranging a plurality of energy storage time values in the energy storage time information of the energy storage power station according to the acquired time sequence;
step S16: acquiring the total energy storage power consumption based on the energy storage power consumption information, and acquiring the total power generation through the power generation information;
step S17: acquiring the total energy storage power consumption and the total power generation corresponding to each energy storage time value;
step S18: acquiring the number of each component in the water storage process of the energy storage power station, acquiring the use time and the electricity consumption value of each electronic component, arranging the electricity consumption value of each electronic component based on the change of the use time, observing the change of the electricity consumption value of each electronic component along with the change of the time, summing the electricity consumption values of the electronic components in the initial use to obtain a standard electricity consumption value, and summing the electricity consumption values of the electronic components in each time period to obtain an actual electricity consumption value;
step S19: and defining the energy storage time value, the energy storage electricity consumption total amount, the electricity generation total amount, the initial electricity consumption value and the actual electricity consumption value as power grid operation data, and transmitting the power grid operation data to a data calculation module.
Step S2: the method comprises the steps that power grid operation data and power grid environment data are transmitted to a data calculation module, the data calculation module receives the power grid operation data to acquire power grid safety operation parameters, and the data calculation module receives the power grid environment data to acquire the power grid environment safety parameters;
when the security parameters are acquired, the following is specific:
step S21: the data calculation module receives power grid operation data to acquire a power grid safety operation difference reference value, and receives power grid environment data to acquire a power grid environment reference value;
step S22: the data calculation module receives an energy storage time value, an energy storage electricity consumption total amount, a power generation total amount, an initial electricity consumption value and an actual electricity consumption value in the power grid operation data to acquire a power grid safe operation difference reference value;
step S23: obtaining a plurality of power grid safe operation difference reference values at different times based on a plurality of different energy storage time values, and defining the plurality of power grid safe operation difference reference values as power grid safe operation parameters;
step S24: the data calculation module receives the temperature value, the humidity value and the air density value in the power grid environment data to acquire a power grid environment reference value;
step S25: and obtaining a plurality of grid environment reference values based on the grid environment data acquired in different time periods, and defining the plurality of grid environment reference values as grid environment safety parameters.
Step S3: the method comprises the steps that the power grid safety operation parameters and the power grid environment safety parameters are transmitted to a safety judging module, the safety judging module receives the power grid safety operation parameters and the power grid environment safety parameters to conduct safety judgment, and the safety judging module conducts safety interval division based on the received power grid safety operation parameters and the power grid environment safety parameters;
when comparing the downloaded latest content with the information content, the specific steps are as follows:
step S31: arranging a plurality of power grid safe operation difference reference values in the power grid safe operation parameters according to the sequence from small to large;
step S32: acquiring a power grid safe operation difference reference value according to the arranged sequence, and setting a first safe operation reference interval, a second safe operation reference interval and a third safe operation reference interval;
step S33: acquiring a power grid environment reference value corresponding to a power grid safe operation difference reference value in a first safe operation reference interval;
step S34: and defining the acquired power grid environment reference value as a standard environment interval, and dividing the power grid environment reference value outside the standard environment interval into a first environment interval and a second environment interval.
Step S4: the operation management module performs environment control based on a safety interval divided by the power grid environment safety parameters, and the power grid alarm module sends out an alarm based on the acquired power grid safety operation parameters.
The above formulas are all formulas for removing dimensions and taking numerical calculation, the formulas are formulas for obtaining the latest real situation by collecting a large amount of data and performing software simulation, preset parameters in the formulas are set by a person skilled in the art according to the actual situation, if weight coefficients and proportion coefficients exist, the set sizes are specific numerical values obtained by quantizing the parameters, the subsequent comparison is convenient, and the proportional relation between the weight coefficients and the proportion coefficients is not influenced as long as the proportional relation between the parameters and the quantized numerical values is not influenced.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein. The storage medium may be implemented by any type or combination of volatile or nonvolatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM), electrically erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), erasable Programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk, or optical disk. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
The above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The power grid operation safety detection system comprises a power grid information acquisition module, a data processing module, a data calculation module, a safety judgment module, an operation management module, a power grid alarm module and a server; the power grid information acquisition module, the data processing module, the data calculation module, the safety judgment module, the operation management module and the power grid alarm module are respectively connected with the server in a data mode;
the power grid information acquisition module acquires power grid information in the power grid operation process of the pumped storage power station; the method comprises the steps that power grid information is transmitted to a data processing module, the data processing module receives the power grid information for processing and analysis, and power grid operation data and power grid environment data are obtained based on the power grid information; the method comprises the steps that power grid operation data and power grid environment data are transmitted to a data calculation module, the data calculation module receives the power grid operation data to acquire power grid safety operation parameters, and the data calculation module receives the power grid environment data to acquire the power grid environment safety parameters;
the method comprises the steps that the power grid safety operation parameters and the power grid environment safety parameters are transmitted to a safety judging module, the safety judging module receives the power grid safety operation parameters and the power grid environment safety parameters to carry out safety judgment, and the safety judging module carries out safety interval division based on the received power grid safety operation parameters and the power grid environment safety parameters; the operation management module performs environment control based on a safety interval divided by the power grid environment safety parameters, and the power grid alarm module sends out an alarm based on the acquired power grid safety operation parameters.
2. The pumped storage power station-containing grid operational safety detection system of claim 1, wherein the grid information includes grid environmental information and grid operational information;
the power grid environment information comprises temperature information, humidity information and air density information;
the power grid operation information comprises energy storage time information of an energy storage power station, energy storage electricity utilization information, power generation information and electricity utilization information of electronic components.
3. The pumped-storage power station-containing power grid operation safety detection system according to claim 1, wherein the data processing module receives and analyzes temperature information, humidity information and air density information in power grid environment information, and the specific analysis is as follows:
when temperature information is analyzed, when the pumped storage power station pumps water, the ambient air temperature in the operation occasion of the pumping equipment becomes low, the internal insulating material becomes brittle, the bearing grease is frozen, the starting capacitor becomes invalid due to freezing of electrolyte, when the air temperature becomes high, the actual temperature of the winding is increased, the overheat has adverse effect on insulation, and the pumping speed and the service life of the pumping equipment are affected;
therefore, the operation information is acquired, and based on a plurality of temperature values in the operation information, the use condition of the pumping equipment at different temperatures is analyzed, and the influence of the temperature on the pumping equipment is judged;
when the humidity information is analyzed, the insulation resistance in the water pumping equipment is reduced along with the increase of the humidity, the influence on the water pumping equipment is larger as the humidity is higher, and the influence of the humidity on the water pumping equipment is judged based on the use condition of the water pumping equipment under different humidity by analyzing a plurality of humidity values in the humidity information;
when the air density information is analyzed, the heat dissipation difference of the water pumping equipment is reduced, the temperature rise of the internal winding of the water pumping equipment is increased, the air density influences the water pumping equipment, and the use condition of the water pumping equipment under different air density values is analyzed based on a plurality of air density values in the air density information to judge the influence of the air density values on the water pumping equipment;
defining the acquired temperature value, humidity value and air density value as power grid environment data;
the data processing module receives and analyzes energy storage time information, energy storage electricity utilization information, power generation information and electronic component electricity utilization information of an energy storage power station in the power grid operation information, and the specific analysis is as follows:
acquiring energy storage time information of an energy storage power station in a T time period, and arranging a plurality of energy storage time values in the energy storage time information of the energy storage power station according to the acquired time sequence;
acquiring the total energy storage power consumption based on the energy storage power consumption information, and acquiring the total power generation through the power generation information;
acquiring the total energy storage power consumption and the total power generation corresponding to each energy storage time value;
acquiring the number of each component in the water storage process of the energy storage power station, acquiring the use time and the electricity consumption value of each electronic component, arranging the electricity consumption value of each electronic component based on the change of the use time, observing the change of the electricity consumption value of each electronic component along with the change of the time, summing the electricity consumption values of the electronic components in the initial use to obtain a standard electricity consumption value, and summing the electricity consumption values of the electronic components in each time period to obtain an actual electricity consumption value;
and defining the energy storage time value, the energy storage electricity consumption total amount, the electricity generation total amount, the initial electricity consumption value and the actual electricity consumption value as power grid operation data, and transmitting the power grid operation data to a data calculation module.
4. A system for safety inspection of power grid operation including pumped storage power station as claimed in claim 3, wherein the analysis of electricity consumption is based on the change of the total energy consumption and the total power generation at different energy storage time values, and the analysis of electricity consumption is as follows:
taking an abscissa as an energy storage time value and an ordinate as electric quantity information as a plane rectangular coordinate system, representing the total energy storage electricity consumption and the total power generation in the form of a coordinate origin in the plane rectangular coordinate system, smoothly connecting the total energy storage electricity consumption coordinate points in a curve to form a total power consumption curve graph, and smoothly connecting the total power generation coordinate points in a curve to form a total power generation curve graph;
analyzing the electricity consumption total amount curve graph, observing the change of the electricity consumption total amount curve graph, judging that the electricity consumption total amount gradually increases along with the change of time if the curve is in an ascending state, and judging that the electricity consumption total amount gradually decreases along with the change of time if the curve is in a descending state;
analyzing the graph of the total power generation amount, observing the change of the graph of the total power generation amount, judging the change of the total power generation amount with time when the graph is in an ascending state, and judging the change of the total power generation amount with time when the graph is in a descending state, wherein the total power generation amount is gradually reduced.
5. The pumped storage power station-containing power grid operation safety detection system according to claim 3, wherein the data calculation module receives power grid operation data to acquire a power grid safety operation difference reference value, and receives power grid environment data to acquire a power grid environment reference value;
the data calculation module receives an energy storage time value, an energy storage electricity consumption total amount, a power generation total amount, an initial electricity consumption value and an actual electricity consumption value in the power grid operation data to acquire a power grid safe operation difference reference value;
obtaining a plurality of power grid safe operation difference reference values at different times based on a plurality of different energy storage time values, and defining the plurality of power grid safe operation difference reference values as power grid safe operation parameters;
the data calculation module receives the temperature value, the humidity value and the air density value in the power grid environment data to acquire a power grid environment reference value;
and obtaining a plurality of grid environment reference values based on the grid environment data acquired in different time periods, defining the plurality of grid environment reference values as grid environment safety parameters, and conveying the grid safety operation parameters and the grid environment safety parameters to a safety judging module.
6. The system according to claim 5, wherein the safety judging module arranges a plurality of grid safety operation difference reference values in the grid safety operation parameters in order from small to large, acquires the grid safety operation difference reference values in the arranged order, and sets a first safety operation interval, a second safety operation reference interval and a third safety operation reference interval;
the method comprises the steps of obtaining a power grid environment reference value corresponding to a power grid safety operation difference reference value in a first safety operation reference interval, defining the obtained power grid environment reference value as a standard environment interval, dividing the power grid environment reference value outside the interval into a first environment interval and a second environment interval, and conveying the divided operation safety interval and environment interval to an operation management module by a safety judgment module.
7. The system for detecting the operation safety of a power grid with a pumped storage power station as set forth in claim 6, wherein the operation management module receives the power grid environment reference value in the power grid environment safety parameter and judges that the current operation environment is suitable for the operation of the pumping equipment when the reference value is in a standard environment interval;
when the operation management module receives that a power grid environment reference value in the power grid environment safety parameter is in a first environment interval, judging that the current operation environment generally needs to be adjusted;
and when the operation management module receives that the power grid environment reference value in the power grid environment safety parameter is in the second environment interval, judging that the current operation environment is poor and the installation environment of the pumping equipment needs to be changed.
8. The system of claim 6, wherein the grid alarm module receives a grid safe operation difference reference value in the grid safe operation parameters in a first operation safety interval, and determines that the current pumping equipment is safe to operate;
the power grid alarm module receives that a power grid safety operation difference reference value in power grid safety operation parameters is in a second operation safety interval, and judges that the safety operation of the current pumping equipment is general, potential safety hazards exist, and overhauls the pumping equipment;
and the power grid alarm module receives that the power grid safety operation difference reference value in the power grid safety operation parameters is in a third operation safety interval, and judges that the operation safety of the current pumping equipment is poor, and the pumping equipment is replaced.
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