CN112712439A - Head end low voltage analysis system based on distribution transformer terminal monitoring data analysis - Google Patents
Head end low voltage analysis system based on distribution transformer terminal monitoring data analysis Download PDFInfo
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Abstract
The invention discloses a head end low voltage analysis system based on distribution transformer terminal monitoring data analysis, which comprises a data acquisition module, a data acquisition module and a data analysis module, wherein the data acquisition module acquires statistics related to TTU of each level of unit, including the total amount of TTU terminals, the number of TTU with data abnormality, the number of TTU with effective data, the number of low-voltage transformer areas, the number of emergency low-voltage transformer areas, the number of severe low-voltage transformer areas and the number of common low-voltage transformer areas; a database module: storing statistics related to TTU of each level read by the data acquisition module; a monthly abnormal TTU data detail query module: inquiring a data list containing all abnormal TTUs and relevant statistics; the system comprises a monthly low-voltage transformer area detail query module based on TTU data, a curve query module and a TTU data search module; the problems that in the prior art, the data of the power distribution monitoring terminal are analyzed in a mode through an artificial report form, the real-time performance is poor, the display mode is insufficient and the like are solved.
Description
Technical Field
The invention belongs to the power distribution monitoring technology, and particularly relates to a head end low voltage analysis system based on distribution transformer terminal monitoring data analysis.
Background
The number of power distribution monitoring terminals (TTU for short) is huge, and the prior art is difficult to realize by completing low-voltage transformer area analysis based on monitoring data in a manual report mode; the real-time requirement of low-voltage station area analysis is high, the station area with low voltage is required to be analyzed from hundreds of thousands of terminal monitoring data in a short time (even in real time), and the prior art cannot complete the analysis; manual report analysis can only obtain simpler analysis results, and a single analysis result has limited help for low-voltage treatment work; the report form analysis means has limited display modes, and cannot provide visual display modes based on colors, graphs, dynamic marks and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a head end low-voltage analysis system based on distribution transformer terminal monitoring data analysis to solve the problem that the data of mode analysis distribution monitoring terminal through artifical report form exists the real-time poor, the show mode is not enough etc. of prior art.
The technical scheme of the invention is as follows:
a head end low voltage analysis system based on distribution transformer terminal monitoring data analysis comprises:
a data acquisition module: collecting statistics related to TTU of each level of unit, including TTU terminal total amount, TTU number with data exception, TTU number with data validity, low-voltage transformer area number, emergency low-voltage transformer area number, severe low-voltage transformer area number and general low-voltage transformer area number;
a database module: storing statistics related to TTU of each level read by the data acquisition module;
a monthly abnormal TTU data detail query module: inquiring a data list containing all abnormal TTUs and relevant statistics;
the monthly low-voltage platform area detail query module based on TTU data comprises: inquiring a low-voltage transformer area list containing all TTU data and relevant statistics;
TTU data, curve inquiry module: displaying monthly TTU data and curves;
TTU data search module: and searching the whole amount of station area monitoring data by inputting the line name, the station area name and various numbers of the station area.
It still includes: the low-voltage transformer area year counting module: and counting the total amount of TTU terminals, the effective TTU number of annual data, the accumulated low-voltage transformer area number and the low-voltage transformer area number according to the occurrence frequency of the year.
It still includes: the low-voltage district annual trend analysis module statistically analyzes the local city grade unit, the county grade unit, the township grade unit, the medium-voltage line name, the district identification, the district GIS _ ID, the district metering point number, the distribution capacity, the annual accumulated low-voltage times, the emergency low-voltage times, the severe low-voltage times, the general low-voltage times, the accumulated severity score, the annual accumulated valid data hours, the annual accumulated lower limit hours, the lower limit rate, the annual accumulated upper limit hours, the upper limit rate, the voltage qualification rate, the [180,198) interval hours, the [170,180) interval hours, the [160,170) interval hours, the [150, 160) interval hours, the [140, 150) interval hours, the [132, 140) interval hours, each month, the low-voltage phase number, and the low-voltage severity degree is expressed by color.
And the data acquisition module drills statistical data of each lower-level unit by clicking the name of the unit, and by analogy, drills the statistical data of the last-level unit.
The abnormal TTU data list and related statistics inquired by the monthly abnormal TTU data detail inquiry module comprise: the system comprises a local city level unit, a local county level unit, a local village level unit, a medium-voltage line name, a district identifier, a district GIS _ ID, a district metering point number, distribution transformer capacity, TTU data abnormality reasons, curves and data query.
The monthly low-voltage transformer area detail query module based on TTU data queries a low-voltage transformer area list containing all TTU data and relevant statistics including local city level units, county level units, township level units, medium-voltage line names, transformer area identifications, transformer area GIS _ ID, transformer area metering point numbers, distribution capacity, distribution quantity under lines, public variable quantity under lines, low-voltage transformer area quantity under lines, low-voltage phase, low-voltage severity level, monthly average load rate, highest load rate occurrence time, monthly three-phase current unbalance, low-voltage duration, lowest voltage value occurrence time, phase A (B, C) (each phase is separately counted) [ maximum value, maximum value occurrence time, minimum value occurrence time, upper limit small hour number crossing number, and the like, The upper limit rate, the lower limit hours, the lower limit rate, the voltage qualification rate, the voltage value in the interval of [180,198 ] hours, the voltage value in the interval of [170,180) hours, the voltage value in the interval of [160,170) hours, and the voltage value in the interval of [132,160) hours.
The method for displaying the monthly TTU data and the curve by the TTU data and curve query module comprises the following steps: the parameters for selecting the display curve are as follows: displaying according to months, displaying according to periods, and judging whether an invalid data set is contained; whether the load rate, the power factor, the three-phase voltage unbalance, the three-phase current unbalance, the active power or the reactive power are displayed at the same time or not is selected for auxiliary analysis of the low-voltage cause; the curve supports mouse selection for magnification in order to observe curve trends, minima, and maxima.
The TTU data search module is implemented by the following steps: searching all the station area monitoring data by inputting the line name, the station area name and various station area numbers for quickly positioning the concerned TTU data; the list contains the following information: the system comprises a local city level unit, a regional county level unit, a rural township level unit, a medium voltage line name, a district identifier, a district GIS _ ID, a district metering point number, distribution transformer capacity, a distribution transformer quantity under the line, a public variable quantity under the line, a low voltage district quantity under the line, whether the voltage is low, a low voltage severity level, a monthly average load rate, an upper limit rate, a lower limit rate, a voltage qualification rate and curve query.
The low-voltage transformer area year counting module is realized by the following steps: and counting the total amount of TTU terminals, the effective TTU number of annual data, the accumulated low-voltage transformer area number, counting the low-voltage transformer area number according to the occurrence frequency of the year, clicking the name of a unit, and drilling the statistical data of each lower-level unit, and so on, so that the statistical data of the last-level unit can be drilled all the time.
The invention has the beneficial effects that:
the method comprehensively masters the distribution, quantity and severity conditions of the low-voltage transformer area at the head end of the whole quantity, provides accurate data support for low-voltage treatment, guides the low-voltage accurate treatment and saves the low-voltage treatment cost;
through monthly data analysis, various operation indexes of a low-voltage transformer area can be comprehensively known, the cause of low voltage can be analyzed, and a decision maker is assisted in making low-voltage treatment measures;
the TTU data search function and the TTU data analysis function provide a convenient means for the directional investigation and analysis of the problem in the transformer area, improve the working efficiency and save the labor cost;
the TTU data and curve query function visually displays various key parameter curves and variation trends of the low-voltage transformer area; a platform for data comparison of all relevant parameters is provided, and the main reason of low voltage can be found out through correlation analysis; the free scaling function of the curve provides guarantee for regular excavation and depth analysis of the curve;
the low-voltage annual statistic function can research the low-voltage trend and characteristics of the distribution room on a longer time axis, and the low-voltage phenomenon caused by the change of different seasons throughout the year is more beneficial to analyzing and managing the low voltage fundamentally and also beneficial to making the best low-cost management measure according to the low-voltage characteristics of different seasons, so that the low-voltage management effect is improved fundamentally and the low-voltage intelligent cost is reduced;
through the combined action of advanced functions such as annual analysis, monthly analysis, curve query and the like, the rules of low voltage on time and space are all listed, the direction is indicated for the low voltage treatment technology, the low voltage treatment work progress is greatly promoted through the system, the problem that a large amount of low voltage influences normal power utilization is solved, and the microthin force is provided for the civil service.
The problems that in the prior art, the data of the power distribution monitoring terminal are analyzed in a mode through an artificial report form, the real-time performance is poor, the display mode is insufficient and the like are solved.
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FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The invention comprises the following steps:
a data acquisition module: the module collects statistics related to TTU (TTU terminal total amount, TTU quantity with data abnormity, effective TTU quantity of data, low-voltage transformer area quantity, emergency low-voltage transformer area quantity, severe low-voltage transformer area quantity, general low-voltage transformer area quantity and the like) of each level unit, clicks the unit name, drills statistical data of each next level unit, and by analogy, drills statistical data of the last level unit all the time; clicking the 'TTU number of data exception' to link to the 'TTU data detail query module for monthly exception'; clicking on the "number of low-voltage transformer areas", "number of emergency low-voltage transformer areas", "number of severe low-voltage transformer areas", and "number of general low-voltage transformer areas" may all be linked to the "TTU data-based monthly low-voltage transformer area detail query module";
a monthly abnormal TTU data detail query module: the module comprises all abnormal TTU data lists and relevant statistics (local city level units, local county level units, local township level units, medium voltage line names, station area identifications, station area GIS _ ID, station area metering point numbers, distribution transformation capacity, TTU data abnormal reasons, curves and data query), clicks curve and data query to jump to 4, TTU data and curve query interfaces, and displays abnormal curves in the current month.
The monthly low-voltage platform area detail query module based on TTU data comprises: the module comprises all low-voltage transformer district lists based on TTU data and relevant statistics { local and city grade units, county and county grade units, medium-voltage circuit names, district identifications, district GIS _ ID, district metering point numbers, distribution transformation capacity, distribution transformation quantity under circuits, public variable quantity under circuits, low-voltage transformer district quantity under circuits, low-voltage phase category, low-voltage severity level, monthly average load rate, maximum load rate occurrence time, monthly three-phase current unbalance degree, low-voltage duration, minimum voltage value occurrence time, maximum limit hour number, upper limit hour number, lower limit hour number, voltage qualification rate, TTU data, phase (B, C) (each phase is counted independently) [ maximum value, maximum value occurrence time, minimum value occurrence time, upper limit hour number, lower limit rate number, voltage qualification rate Voltage value in [180,198) interval hours, voltage value in [170,180) interval hours, voltage value in [160,170) interval hours, voltage value in [132,160) interval hours ] };
TTU data, curve inquiry module: the module displays monthly TTU data and curves; the display curve has the following selectable parameters: displaying according to months, displaying according to periods, and judging whether an invalid data set is contained; whether the load rate, the power factor, the three-phase voltage unbalance, the three-phase current unbalance, the active power, the reactive power and the like are displayed at the same time can be selected for auxiliary analysis of the low-voltage cause; the curve supports the mouse to select amplification so as to observe curve trend, minimum value and maximum value;
TTU data search module: the module can search the whole amount of station area monitoring data by inputting the line name, the station area name and various numbers of the station area, and is mainly used for quickly positioning the concerned TTU data; the list contains the following information: the system comprises a local city level unit, a regional county level unit, a rural township level unit, a medium-voltage line name, a district identification, a district GIS _ ID, a district metering point number, distribution transformer capacity, a distribution transformer quantity under the line, a public variable quantity under the line, a low-voltage district quantity under the line, whether the voltage is low, a low-voltage severity level, a monthly average load rate, an upper limit rate, a lower limit rate, a voltage qualification rate and curve query; clicking curve query can jump to a TTU data and curve query module to query a data curve.
The low-voltage transformer area year counting module: the module comprises the following statistics (TTU terminal total amount, effective TTU number of annual data, accumulated low-voltage transformer area number, low-voltage transformer area number counted according to the number of times of occurrence in the year), click unit names, drill statistical data of each lower-level unit, and so on, drill statistical data of the last-level unit all the time; clicking each 'number' can be connected to a platform area list corresponding to the number of times of generating corresponding low voltage, namely, the interface 'annual trend analysis module of the low voltage platform area';
the low-voltage transformer area annual trend analysis module: this module contains the following statistics: local and city level units, county level units, township level units, medium voltage line names, district identification, GIS _ ID, metering point number, distribution capacity, low voltage times, emergency low voltage times, serious low voltage times, general low voltage times, and serious score, the cumulative valid data hours of the year, cumulative lower limit hours of the year, lower limit rate, cumulative upper limit hours of the year, upper limit rate, voltage percent of pass, [180,198) interval hours, [170,180) interval hours, [160,170) interval hours, [150,160) interval hours, [140,150) interval hours, [132,140) interval hours, monthly low voltage phase number, monthly low voltage severity (emergency red, severe yellow, general blue) expressed in color, monthly low voltage severity score; clicking the monthly severity color scale can be linked to the detailed interface of the monthly low-voltage platform area based on the TTU data to check the corresponding monthly analysis; clicking the unit name, drilling statistical data of each lower-level unit, and repeating the steps until the statistical data of the last-level unit can be drilled; clicking on "curve query" may connect to "TTU data, curve query module" querying the data curve.
Claims (9)
1. A head end low voltage analysis system based on distribution transformer terminal monitoring data analysis comprises:
a data acquisition module: collecting statistics related to TTU of each level of unit, including TTU terminal total amount, TTU number with data exception, TTU number with data validity, low-voltage transformer area number, emergency low-voltage transformer area number, severe low-voltage transformer area number and general low-voltage transformer area number;
a database module: storing statistics related to TTU of each level read by the data acquisition module;
a monthly abnormal TTU data detail query module: inquiring a data list containing all abnormal TTUs and relevant statistics;
the monthly low-voltage platform area detail query module based on TTU data comprises: inquiring a low-voltage transformer area list containing all TTU data and relevant statistics;
TTU data, curve inquiry module: displaying monthly TTU data and curves;
TTU data search module: and searching the whole amount of station area monitoring data by inputting the line name, the station area name and various numbers of the station area.
2. The system of claim 1, wherein the system comprises: it still includes: the low-voltage transformer area year counting module: and counting the total amount of TTU terminals, the effective TTU number of annual data, the accumulated low-voltage transformer area number and the low-voltage transformer area number according to the occurrence frequency of the year.
3. The system of claim 1, wherein the system comprises: it still includes: the low-voltage district annual trend analysis module statistically analyzes the local city grade unit, the county grade unit, the township grade unit, the medium-voltage line name, the district identification, the district GIS _ ID, the district metering point number, the distribution capacity, the annual accumulated low-voltage times, the emergency low-voltage times, the severe low-voltage times, the general low-voltage times, the accumulated severity score, the annual accumulated valid data hours, the annual accumulated lower limit hours, the lower limit rate, the annual accumulated upper limit hours, the upper limit rate, the voltage qualification rate, the [180,198) interval hours, the [170,180) interval hours, the [160,170) interval hours, the [150, 160) interval hours, the [140, 150) interval hours, the [132, 140) interval hours, each month, the low-voltage phase number, and the low-voltage severity degree is expressed by color.
4. The system of claim 1, wherein the system comprises: and the data acquisition module drills statistical data of each lower-level unit by clicking the name of the unit, and by analogy, drills the statistical data of the last-level unit.
5. The system of claim 1, wherein the system comprises: the abnormal TTU data list and related statistics inquired by the monthly abnormal TTU data detail inquiry module comprise: the system comprises a local city level unit, a local county level unit, a local village level unit, a medium-voltage line name, a district identifier, a district GIS _ ID, a district metering point number, distribution transformer capacity, TTU data abnormality reasons, curves and data query.
6. The system of claim 1, wherein the system comprises: the monthly low-voltage transformer area detail query module based on TTU data queries a low-voltage transformer area list containing all TTU data and relevant statistics including local city level units, county level units, township level units, medium-voltage line names, transformer area identifications, transformer area GIS _ ID, transformer area metering point numbers, distribution capacity, distribution quantity under lines, public variable quantity under lines, low-voltage transformer area quantity under lines, low-voltage phase, low-voltage severity level, monthly average load rate, highest load rate occurrence time, monthly three-phase current unbalance, low-voltage duration, lowest voltage value occurrence time, phase A (B, C) (each phase is separately counted) [ maximum value, maximum value occurrence time, minimum value occurrence time, upper limit small hour number crossing number, and the like, The upper limit rate, the lower limit hours, the lower limit rate, the voltage qualification rate, the voltage value in the interval of [180,198 ] hours, the voltage value in the interval of [170,180) hours, the voltage value in the interval of [160,170) hours, and the voltage value in the interval of [132,160) hours.
7. The system of claim 1, wherein the system comprises: the method for displaying the monthly TTU data and the curve by the TTU data and curve query module comprises the following steps: the parameters for selecting the display curve are as follows: displaying according to months, displaying according to periods, and judging whether an invalid data set is contained; whether the load rate, the power factor, the three-phase voltage unbalance, the three-phase current unbalance, the active power or the reactive power are displayed at the same time or not is selected for auxiliary analysis of the low-voltage cause; the curve supports mouse selection for magnification in order to observe curve trends, minima, and maxima.
8. The system of claim 1, wherein the system comprises: the TTU data search module is implemented by the following steps: searching all the station area monitoring data by inputting the line name, the station area name and various station area numbers for quickly positioning the concerned TTU data; the list contains the following information: the system comprises a local city level unit, a regional county level unit, a rural township level unit, a medium voltage line name, a district identifier, a district GIS _ ID, a district metering point number, distribution transformer capacity, a distribution transformer quantity under the line, a public variable quantity under the line, a low voltage district quantity under the line, whether the voltage is low, a low voltage severity level, a monthly average load rate, an upper limit rate, a lower limit rate, a voltage qualification rate and curve query.
9. The system of claim 2, wherein the system comprises: the low-voltage transformer area year counting module is realized by the following steps: and counting the total amount of TTU terminals, the effective TTU number of annual data, the accumulated low-voltage transformer area number, counting the low-voltage transformer area number according to the occurrence frequency of the year, clicking the name of a unit, and drilling the statistical data of each lower-level unit, and so on, so that the statistical data of the last-level unit can be drilled all the time.
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