CN108490267B - Display system for on-line monitoring data of power equipment - Google Patents
Display system for on-line monitoring data of power equipment Download PDFInfo
- Publication number
- CN108490267B CN108490267B CN201810201715.1A CN201810201715A CN108490267B CN 108490267 B CN108490267 B CN 108490267B CN 201810201715 A CN201810201715 A CN 201810201715A CN 108490267 B CN108490267 B CN 108490267B
- Authority
- CN
- China
- Prior art keywords
- module
- graphic element
- capacitive
- equipment
- monitoring data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
- G01R27/2694—Measuring dielectric loss, e.g. loss angle, loss factor or power factor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention relates to the field of data presentation. And more particularly to a system for displaying on-line monitoring data of electrical equipment. The method solves the problem of poor stability and repeatability caused by environmental influence in the process of measuring the dielectric loss, divides the monitored transformer substation into a plurality of first areas and second areas by girdling layer by layer, divides the transformer substation to be monitored into a plurality of first primitives, second primitives and third primitives according to space and phase, and displays the results by the display module, so that monitoring personnel can accurately and intuitively know and know the spatial position of the capacitive equipment corresponding to a defect event, the problem of low display efficiency of a large amount of data detection is solved, and the monitoring efficiency of a visual platform system is improved; and the monitoring data is used as corresponding index data, so that the environmental influence is eliminated, and the dielectric loss of the capacitive equipment is displayed visually, quickly, pertinently and accurately.
Description
Technical Field
The present invention relates to the field of data presentation. And more particularly to a system for displaying on-line monitoring data of electrical equipment.
Background
For a long time, the electric power system in China executes a regular maintenance system on electric power equipment, namely, the equipment is detected and maintained according to a planned time period, so that the defects of maintenance transition and insufficient maintenance exist. The popularization and application of intelligent equipment and technology to perform online monitoring on the state of power equipment in a power system, the comprehensive improvement of the intelligent level and the realization of online early warning and intelligent monitoring of the power equipment of the power system are great tendency, wherein the capacitive equipment comprises a power capacitor, a coupling capacitor, a capacitive bushing, a capacitive current transformer and a capacitive voltage transformer which have important roles in a transformer substation, so that the detection of the insulation condition of the capacitive equipment is significant, the dielectric loss of the capacitive equipment is an important factor influencing the insulation degradation and thermal breakdown, but the stability and the repeatability of the measurement are influenced to a certain extent due to the influence of the environment on the dielectric loss, the influence of the temperature in the environment is particularly important, the influence of the environment change on the stability and the repeatability of the measurement is overcome, and the intelligent, rapid and intuitive performance and the intelligent monitoring performance are realized, The problem that the dielectric loss of the capacitive equipment needs to be displayed accurately in a targeted manner is an urgent need at present.
Disclosure of Invention
In order to solve the technical defects, the invention provides a display system for on-line monitoring data of electrical equipment. The invention solves the problem of poor stability and repeatability caused by environmental influence in the process of measuring the dielectric loss, divides the monitored transformer substations in a girdling way layer by layer, takes the monitoring data as corresponding index data, eliminates the environmental influence, and visually, quickly, pertinently and accurately displays the dielectric loss of the capacitive equipment.
The technical scheme of the invention is as follows; a display system for on-line monitoring data of power equipment comprises a region division module, a topological graph construction module, a first acquisition module, a second acquisition module, a storage module, a judgment module, an execution module and a display module; the area division module is connected with the topological graph construction module, the topological graph construction module is respectively connected with the first acquisition module and the display module, the first acquisition module is connected with the second acquisition module, the second acquisition module is respectively connected with the storage module and the judgment module, the judgment module is connected with the execution module, and the execution module is connected with the display module;
a region division module: the method comprises the steps that a spatial stereogram of a monitored substation containing all capacitive equipment is designed in an abstract mode according to the position distribution of the capacitive equipment in an actual physical space, the spatial stereogram of the monitored substation is divided into a plurality of first areas in a transverse cutting and longitudinal cutting mode, and the capacitive equipment in each first area is divided into a plurality of second areas according to different phases so as to obtain division information;
the topological graph building module: the tree-shaped topological structure diagram is used for establishing a monitored substation according to the division information, wherein the tree-shaped topological structure diagram comprises a plurality of first primitives which are in one-to-one correspondence with first areas, each first area comprises a plurality of second primitives which are in one-to-one correspondence with second areas, each second area comprises a third primitive which is corresponding to a monitoring point, the third primitive is used for displaying the name and the position of the monitoring point and whether the monitoring point has a defect event, the second primitive is used for displaying the name and the position of the second area and whether the monitoring point has a defect event in the second area, and the first primitive is used for displaying the name and the position of the first area and whether the capacitive equipment in the second area has a defect event in the first area;
a first obtaining module: the monitoring data of the capacitive equipment are acquired;
a second obtaining module: the system is used for acquiring index data corresponding to the monitoring data;
a storage module: dielectric loss tangent tg sigma for storing capacitive device without defect eventiWherein each capacitive device stores a dielectric loss tangent tg sigma at a temperature environment of 4 ℃ at intervals in a certain temperature rangei；
A judging module: the device is used for judging whether the capacitive equipment has a defect event or not according to the monitoring data and the corresponding index data;
an execution module; the display module is used for indicating a third graphic element corresponding to the capacitive equipment to flicker and display, a second graphic element corresponding to the third graphic element to flicker and display and a first graphic element corresponding to the second graphic element to flicker and display when the judging module judges that a defect event occurs;
a display module: which comprises the following steps of;
a first display module: the system is used for displaying a first graphic element on a home page of the system;
the first trigger module: the signal used for receiving and triggering a second graphic element corresponding to the first graphic element according to the first graphic element;
a second display module; the system comprises a first graphic element, a second graphic element and a display unit, wherein the first graphic element is used for displaying a first graphic element;
a second triggering module: the signal used for receiving and triggering a third graphic element corresponding to the second graphic element according to the displayed second graphic element;
a third display module: and the display unit is used for receiving a signal for triggering a third primitive corresponding to the second primitive and displaying the third primitive corresponding to the second primitive.
The monitoring data of the capacitive device acquired by the first acquiring module is the dielectric loss tangent tg sigma of the capacitive deviceiSince the loss of a dielectric in an insulating medium is called dielectric loss for short, which is an important factor affecting insulation degradation and thermal breakdown, the dielectric loss tangent is the ratio of a current resistance component, which causes energy in the medium, and a capacitive componentThe dielectric loss can be represented by the dielectric loss tangent.
Wherein, the storage module takes the average value from the lowest temperature to the highest temperature of the monitored transformer substation 5 years before as the dielectric loss tangent tg sigma when the capacitance type equipment has no defect eventiThe value interval of (1) is because for a certain area, the temperature change is within a temperature range, and the measurement of the dielectric loss within 5 ℃ of the temperature difference is negligible relative to the result.
Further, the specific way that the judging module judges whether the capacitive device has the defect event according to the monitoring data and the corresponding index data is as follows:
determining whether the number of capacitive devices in the second area is less than three;
A. if the number of the capacitive devices in the second area is not less than three, the capacitive devices in the second area are divided into at least one group, each group comprises 3 capacitive devices, monitoring data of the three capacitive devices in the same group are first index data, and the monitoring data are respectively marked as tg sigma1、tgσ2、tgσ3Calculating tg sigma for 3 capacitive devices in the same group1-tgσ2Absolute value of (Δ tg σ)12、tgσ1-tgσ3Absolute value of (Δ tg σ)13And tg σ2-tgσ3Absolute value of (Δ tg σ)23；
A1, if Δ tg σ12、Δtgσ13And Δ tg σ23If the capacitance values are not more than 0.001, judging that no defect event occurs in the 3 capacitance devices in the group;
a2, if Δ tg σ12、Δtgσ13And Δ tg σ23If two of the capacitance types are larger than 0.001 and one is not larger than 0.001, determining that one capacitance type device which is left by the two capacitance type devices corresponding to the absolute value subscript of the group except for the absolute value subscript of the group not larger than 0.001 has a defect event;
a3, if Δ tg σ12、Δtgσ13And Δ tg σ23Are all greater than 0.001, with tg σ of the 3 capacitive devices in the groupjIs a pair ofCorresponding second index data, calculating absolute value delta tg sigma of difference between the monitoring data and the corresponding second index dataijIf Δ tg σijIf the capacitance value is larger than 0.001, judging that the capacitance equipment has a defect event;
B. if the number of capacitive devices in the second region is less than three, the tg σ of the capacitive devices in the second region is usedjTg σ for capacitive devices as corresponding index dataiTg σ corresponding theretojCalculating the absolute value of the difference Δ tg σijIf Δ tg σijIf the capacitance value is larger than 0.001, judging that the capacitance equipment has a defect event;
wherein any two groups of capacitive devices may be the same capacitive device, for the case of A3, if Δ tg σ12、Δtgσ13And Δ tg σ23If the capacitance values are both larger than 0.001, the situation that two capacitance devices are in defect events can be judged, and the reliability of the result can be enhanced by combining the comprehensive judgment of the second index data.
Further, selecting and monitoring data tg sigmaiTg sigma with minimum temperature differencejThe absolute value of the difference Δ tg σijAnd the temperature difference is not more than 5 ℃, if two tg sigma appearjAnd monitoring data tg sigmaiThe temperature difference between the two is equal, and the preferable temperature is low or high, namely, one of the two is randomly selected.
In order to further improve the operability of field personnel, the system is also provided with a sending module and a handheld terminal, wherein the sending module is connected with the display module, and the handheld terminal is provided with a client for receiving the system information; the sending module is used for sending the name and the position corresponding to the first graphic element displayed in a flashing mode, the name and the position corresponding to the second graphic element displayed in a flashing mode, and the name and the position corresponding to the third graphic element displayed in a flashing mode to a client of the handheld terminal to be displayed, and therefore an operator can observe the medium loss condition of the capacitive equipment visually.
The invention has the advantages that;
(1) the invention solves the problems of stability and repetition caused by environmental influence in the process of measuring the dielectric lossThe problem of poor performance is that the monitored substation is divided into a plurality of first areas and second areas by girdling layer by layer, the first areas, the second areas and the capacitive devices respectively correspond to a first primitive, a second primitive and a third primitive, the three areas are girdled layer by layer, the capacitive devices which can clearly and clearly display the defective event can be clearly displayed, and for the A3 situation, if the delta tg sigma is12、Δtgσ13And Δ tg σ23If the capacitance type equipment loss is larger than 0.001, the situation that two capacitance type equipment are in defect events can be judged, the second index data is combined for comprehensive judgment, the reliability of the result can be enhanced, the monitoring data is used as the corresponding index data, the environmental influence is eliminated, and the dielectric loss of the capacitance type equipment is displayed visually, quickly, pertinently and accurately.
(2) In the monitoring process of the capacitive equipment, a first primitive corresponding to a first area is displayed on a system home page, a trigger signal is received through the first primitive, a corresponding second primitive is displayed, and then the first primitive and the second primitive are displayed through the system home page
The second primitive receives the trigger signal and displays the corresponding third primitive, so that the monitoring personnel can accurately monitor the third primitive
The spatial position of the capacitive equipment corresponding to the defect event is visually known and known, and a large number of numbers are solved
According to the problem that the detection display efficiency is not high, the monitoring efficiency of the visual platform system is improved.
Drawings
FIG. 1 is a system flow diagram of the present invention;
FIG. 2 is a flow chart showing modules;
FIG. 3 is a flow chart of the determination method of the determination module;
FIG. 4 is a schematic structural diagram of a display system according to the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 4, a display system of online monitoring data of an electrical device includes a region division module, a topology map construction module, a first acquisition module, a second acquisition module, a storage module, a judgment module, an execution module, and a display module; the area division module is connected with the topological graph construction module, the topological graph construction module is respectively connected with the first acquisition module and the display module, the first acquisition module is connected with the second acquisition module, the second acquisition module is respectively connected with the storage module and the judgment module, the judgment module is connected with the execution module, and the execution module is connected with the display module;
a region division module: the method comprises the steps that a spatial stereogram of a monitored substation containing all capacitive equipment is designed in an abstract mode according to the position distribution of the capacitive equipment in an actual physical space, the spatial stereogram of the monitored substation is divided into a plurality of first areas in a transverse cutting and longitudinal cutting mode, and the capacitive equipment in each first area is divided into a plurality of second areas according to different phases so as to obtain division information;
the topological graph building module: the tree-shaped topological structure diagram is used for establishing a monitored substation according to the division information, wherein the tree-shaped topological structure diagram comprises a plurality of first primitives which are in one-to-one correspondence with first areas, each first area comprises a plurality of second primitives which are in one-to-one correspondence with second areas, each second area comprises a third primitive which is corresponding to a monitoring point, the third primitive is used for displaying the name and the position of the monitoring point and whether the monitoring point has a defect event, the second primitive is used for displaying the name and the position of the second area and whether the monitoring point has a defect event in the second area, and the first primitive is used for displaying the name and the position of the first area and whether the capacitive equipment in the second area has a defect event in the first area;
a first obtaining module: the monitoring data of the capacitive equipment are acquired;
a second obtaining module: the system is used for acquiring index data corresponding to the monitoring data;
a storage module: dielectric loss tangent tg sigma for storing capacitive device without defect eventiWherein, each capacitance type device stores a dielectric loss tangent tg sigma under the temperature environment at intervals of 4 ℃ in the temperature environment from the lowest temperature average value to the highest temperature average value of the temperature of the monitored transformer substation in the previous 5 yearsi；
A judging module: the device is used for judging whether the capacitive equipment has a defect event or not according to the monitoring data and the corresponding index data;
an execution module; the display module is used for indicating a third graphic element corresponding to the capacitive equipment to flicker and display, a second graphic element corresponding to the third graphic element to flicker and display and a first graphic element corresponding to the second graphic element to flicker and display when the judging module judges that a defect event occurs;
a display module: which comprises the following steps of;
a first display module: the system is used for displaying a first graphic element on a home page of the system;
the first trigger module: the signal used for receiving and triggering a second graphic element corresponding to the first graphic element according to the first graphic element;
a second display module; the system comprises a first graphic element, a second graphic element and a display unit, wherein the first graphic element is used for displaying a first graphic element;
a second triggering module: the signal used for receiving and triggering a third graphic element corresponding to the second graphic element according to the displayed second graphic element;
a third display module: and the display unit is used for receiving a signal for triggering a third primitive corresponding to the second primitive and displaying the third primitive corresponding to the second primitive.
In the system, the spatial sizes of a plurality of first areas may be different, the first areas are divided into a second area by the capacitive devices of different types, in the using process, as shown in fig. 1 and 4, the area dividing module divides the monitored substation into the plurality of first areas, divides each first area into a plurality of second areas, and obtains dividing information, the topological graph constructing module establishes a tree-shaped topological structure diagram of the monitored substation according to the dividing information, the first obtaining module obtains monitoring data of the capacitive devices, and the second obtaining module obtains index data corresponding to the monitoring data; the technical scheme is adopted, the transformer substation to be monitored is divided into a plurality of first areas and second areas according to space and phase, the first areas, the second areas and the capacitive devices respectively correspond to the first pixels, the second pixels and the third pixels, the first pixels, the second pixels and the third pixels are all peeled layer by layer, and the capacitive devices with the defective events can be clearly and straightly displayed.
As shown in fig. 1, the display principle of the display system comprises the following specific processes;
1) designing a spatial stereogram of a monitored transformer substation, and dividing a first area and a second area;
2) establishing a tree topology structure diagram of a monitored transformer substation;
3) acquiring monitoring data and corresponding index data of the capacitive equipment;
4) judging whether the capacitive equipment has a defect event or not;
5) if a defect event occurs, a third graphic element corresponding to the capacitive equipment is displayed in a flashing manner, a second graphic element corresponding to the third graphic element is displayed in a flashing manner, and a first graphic element corresponding to the second graphic element is displayed in a flashing manner; if no defect event occurs, a third graphic element corresponding to the capacitive equipment is not flickered and displayed, a second graphic element corresponding to the third graphic element is not flickered and displayed, and a first graphic element corresponding to the second graphic element is not flickered and displayed;
6) and displaying the flicker results of the first primitive, the second primitive and the third primitive in a display module.
The display process of the display module is shown in fig. 2, in the monitoring process of the capacitive type equipment, a first primitive corresponding to a first area is displayed on a home page, a trigger signal is received through the first primitive, a corresponding second primitive is displayed, a trigger signal is received through the second primitive, and a corresponding third primitive is displayed, so that monitoring personnel can accurately and visually know and know the spatial position of the capacitive type equipment corresponding to a defect event, the problem of low display efficiency of a large amount of data detection is solved, and the monitoring efficiency of a visual platform system is improved.
As shown in fig. 3, the specific way for the determining module to determine whether the capacitive device has a defect event according to the monitoring data and the corresponding index data is as follows:
determining whether the number of capacitive devices in the second area is less than three;
A. if the number of the capacitive devices in the second area is not less than three, the capacitive devices in the second area are divided into at least one group, each group comprises 3 capacitive devices, monitoring data of the three capacitive devices in the same group are first index data, and the monitoring data are respectively marked as tg sigma1、tgσ2、tgσ3Calculating tg sigma for 3 capacitive devices in the same group1-tgσ2Absolute value of (Δ tg σ)12、tgσ1-tgσ3Absolute value of (Δ tg σ)13And tg σ2-tgσ3Absolute value of (Δ tg σ)23；
A1, if Δ tg σ12、Δtgσ13And Δ tg σ23If the capacitance values are not more than 0.001, judging that no defect event occurs in the 3 capacitance devices in the group;
a2, if Δ tg σ12、Δtgσ13And Δ tg σ23If two of the capacitance types are larger than 0.001 and one is not larger than 0.001, determining that one capacitance type device which is left by the two capacitance type devices corresponding to the absolute value subscript of the group except for the absolute value subscript of the group not larger than 0.001 has a defect event;
a3, if Δ tg σ12、Δtgσ13And Δ tg σ23Are all greater than 0.001, with tg σ of the 3 capacitive devices in the groupjCalculating the monitoring data and corresponding second index dataCorresponding to the absolute value of the difference between the second index data Δ tg σijIf Δ tg σijIf the capacitance value is larger than 0.001, judging that the capacitance equipment has a defect event;
B. if the number of capacitive devices in the second region is less than three, the tg σ of the capacitive devices in the second region is usedjTg σ for capacitive devices as corresponding index dataiTg σ corresponding theretojCalculating the absolute value of the difference Δ tg σijIf Δ tg σijIf the capacitance value is larger than 0.001, judging that the capacitance equipment has a defect event;
wherein any two groups of capacitive devices may be the same capacitive device, for the case of A3, if Δ tg σ12、Δtgσ13And Δ tg σ23If the capacitance values are both larger than 0.001, the situation that two capacitance devices are in defect events can be judged, and the reliability of the result can be enhanced by combining the comprehensive judgment of the second index data.
Selecting and monitoring data tg sigmaiTg sigma with minimum temperature differencejThe absolute value of the difference Δ tg σijAnd the temperature difference is not more than 5 ℃, if two tg sigma appearjAnd monitoring data tg sigmaiThe temperature difference between the two is equal, and the preferable temperature is low or high, namely, one of the two is randomly selected.
As shown in fig. 1, in order to further improve the operability of field personnel, the system is further provided with a sending module and a handheld terminal, wherein the sending module is connected with the display module, and the handheld terminal is provided with a client for receiving the system information; the sending module is used for sending the name and the position corresponding to the first graphic element displayed in a flashing mode, the name and the position corresponding to the second graphic element displayed in a flashing mode, and the name and the position corresponding to the third graphic element displayed in a flashing mode to a client of the handheld terminal to be displayed, and therefore an operator can observe the medium loss condition of the capacitive equipment visually.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. A display system for on-line monitoring data of power equipment is characterized by comprising a region division module, a topological graph construction module, a first acquisition module, a second acquisition module, a storage module, a judgment module, an execution module and a display module; the area division module is connected with the topological graph construction module, the topological graph construction module is respectively connected with the first acquisition module and the display module, the first acquisition module is connected with the second acquisition module, the second acquisition module is respectively connected with the storage module and the judgment module, the judgment module is connected with the execution module, and the execution module is connected with the display module;
a region division module: the method comprises the steps that a spatial stereogram of a monitored substation containing all capacitive equipment is designed in an abstract mode according to the position distribution of the capacitive equipment in an actual physical space, the spatial stereogram of the monitored substation is divided into a plurality of first areas in a transverse cutting and longitudinal cutting mode, and the capacitive equipment in each first area is divided into a plurality of second areas according to different phases so as to obtain division information;
the topological graph building module: the tree-shaped topological structure diagram is used for establishing a monitored substation according to the division information, wherein the tree-shaped topological structure diagram comprises a plurality of first primitives which are in one-to-one correspondence with first areas, each first area comprises a plurality of second primitives which are in one-to-one correspondence with second areas, each second area comprises a third primitive which is corresponding to a monitoring point, the third primitive is used for displaying the name and the position of the monitoring point and whether the monitoring point has a defect event, the second primitive is used for displaying the name and the position of the second area and whether the monitoring point has a defect event in the second area, and the first primitive is used for displaying the name and the position of the first area and whether the capacitive equipment in the second area has a defect event in the first area;
a first obtaining module: the monitoring data of the capacitive equipment are acquired;
a second obtaining module: the system is used for acquiring index data corresponding to the monitoring data;
a storage module: dielectric loss tangent tg sigma for storing capacitive device without defect eventkWherein, each capacitance type device stores a dielectric loss tangent tg sigma under the temperature environment at intervals of 4 ℃ in the temperature environment from the lowest temperature average value to the highest temperature average value of the temperature of the monitored transformer substation in the previous 5 yearsk；
A judging module: the device is used for judging whether the capacitive equipment has a defect event or not according to the monitoring data and the corresponding index data;
an execution module; the display module is used for indicating a third graphic element corresponding to the capacitive equipment to flicker and display, a second graphic element corresponding to the third graphic element to flicker and display and a first graphic element corresponding to the second graphic element to flicker and display when the judging module judges that a defect event occurs;
a display module: which comprises the following steps of;
a first display module: the system is used for displaying a first graphic element on a home page of the system;
the first trigger module: the signal used for receiving and triggering a second graphic element corresponding to the first graphic element according to the first graphic element;
a second display module; the system comprises a first graphic element, a second graphic element and a display unit, wherein the first graphic element is used for displaying a first graphic element;
a second triggering module: the signal used for receiving and triggering a third graphic element corresponding to the second graphic element according to the displayed second graphic element;
a third display module: and the display unit is used for receiving a signal for triggering a third primitive corresponding to the second primitive and displaying the third primitive corresponding to the second primitive.
2. The system for displaying the on-line monitoring data of the power equipment as claimed in claim 1, wherein the system is further provided with a sending module and a handheld terminal, the sending module is connected with the displaying module, and the handheld terminal is provided with a client for receiving the system information; the sending module is used for sending the name and the position corresponding to the first graphic element displayed in a flashing mode, the name and the position corresponding to the second graphic element displayed in a flashing mode and the name and the position corresponding to the third graphic element displayed in a flashing mode to a client side of the handheld terminal for displaying.
3. The system for displaying the on-line monitoring data of the power equipment as claimed in claim 1, wherein the specific way of judging whether the capacitive equipment has the defect event according to the monitoring data and the corresponding index data by the judging module is as follows:
determining whether the number of capacitive devices in the second area is less than three;
A. if the number of the capacitive devices in the second area is not less than three, the capacitive devices in the second area are divided into at least one group, each group comprises 3 capacitive devices, monitoring data of the three capacitive devices in the same group are first index data, and the monitoring data are respectively marked as tg sigma1、tgσ2、tgσ3Calculating tg sigma for 3 capacitive devices in the same group1-tgσ2Absolute value of (Δ tg σ)12、tgσ1-tgσ3Absolute value of (Δ tg σ)13And tg σ2-tgσ3Absolute value of (Δ tg σ)23；
A1, if Δ tg σ12、Δtgσ13And Δ tg σ23If the capacitance values are not more than 0.001, judging that no defect event occurs in the 3 capacitance devices in the group;
a2, if Δ tg σ12、Δtgσ13And Δ tg σ23If two of the capacitance types are larger than 0.001 and one is not larger than 0.001, determining that one capacitance type device which is left by the two capacitance type devices corresponding to the absolute value subscript of the group except for the absolute value subscript of the group not larger than 0.001 has a defect event;
a3, if Δ tg σ12、Δtgσ13And Δ tg σ23Are all greater than 0.001, with tg σ of the 3 capacitive devices in the groupjCalculating a monitoring number for the corresponding second index dataAccording to the absolute value of the difference between the first index data and the corresponding second index dataijIf Δ tg σijIf the capacitance value is larger than 0.001, judging that the capacitance equipment has a defect event;
B. if the number of capacitive devices in the second region is less than three, the tg σ of the capacitive devices in the second region is usedjTg σ for capacitive devices as corresponding index dataiTg σ corresponding theretojCalculating the absolute value of the difference Δ tg σijIf Δ tg σijIf the capacitance value is larger than 0.001, judging that the capacitance equipment has a defect event;
any two groups of capacitive devices can be the same capacitive device.
4. The system for displaying the on-line monitoring data of the power equipment as claimed in claim 3, wherein the selecting and monitoring data tg σiTg sigma with minimum temperature differencejThe absolute value of the difference Δ tg σijAnd the temperature difference is not more than 5 ℃, if two tg sigma appearjAnd monitoring data tg sigmaiThe temperature difference between the two is equal, and the preferable temperature is low or high, namely, one of the two is randomly selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201715.1A CN108490267B (en) | 2018-03-12 | 2018-03-12 | Display system for on-line monitoring data of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201715.1A CN108490267B (en) | 2018-03-12 | 2018-03-12 | Display system for on-line monitoring data of power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108490267A CN108490267A (en) | 2018-09-04 |
| CN108490267B true CN108490267B (en) | 2020-04-14 |
Family
ID=63338639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810201715.1A Active CN108490267B (en) | 2018-03-12 | 2018-03-12 | Display system for on-line monitoring data of power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108490267B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942740B (en) * | 2022-07-12 | 2022-10-21 | 江苏润和软件股份有限公司 | Transformer substation auxiliary equipment online real-time monitoring method and system based on artificial intelligence |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003249424A (en) * | 2002-02-25 | 2003-09-05 | Murata Mfg Co Ltd | Selecting method of laminated capacitor |
| CN1580795A (en) * | 2004-05-17 | 2005-02-16 | 西安交通大学 | Capacitive power equipment medium loss on-line monitoring method and device |
| CN102768308A (en) * | 2012-08-07 | 2012-11-07 | 广州供电局有限公司 | Method for carrying out visual simulation test on dielectric loss of current transformer |
| CN102983565A (en) * | 2012-07-24 | 2013-03-20 | 南方电网科学研究院有限责任公司 | Visual showing method of electric energy quality comprehensive assessment result |
| CN103852654A (en) * | 2012-11-30 | 2014-06-11 | 国家电网公司 | Power quality data visualization display method and device |
| CN104104149A (en) * | 2014-07-01 | 2014-10-15 | 国家电网公司 | Electric apparatus state display and real-time alarm method based on SVG (Scalable Vector Graphics) technology |
| CN204101640U (en) * | 2014-09-10 | 2015-01-14 | 国家电网公司 | Contactless CVT dielectric loss measurement system |
| JP2015070694A (en) * | 2013-09-27 | 2015-04-13 | 株式会社ノーリツ | Power information display device |
| CN105186353A (en) * | 2015-09-22 | 2015-12-23 | 国网上海市电力公司 | Transformer substation rotating equipment charged state display method based on three dimensional model |
| CN105335429A (en) * | 2014-08-08 | 2016-02-17 | 国家电网公司 | Electric energy data display method and apparatus |
-
2018
- 2018-03-12 CN CN201810201715.1A patent/CN108490267B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003249424A (en) * | 2002-02-25 | 2003-09-05 | Murata Mfg Co Ltd | Selecting method of laminated capacitor |
| CN1580795A (en) * | 2004-05-17 | 2005-02-16 | 西安交通大学 | Capacitive power equipment medium loss on-line monitoring method and device |
| CN102983565A (en) * | 2012-07-24 | 2013-03-20 | 南方电网科学研究院有限责任公司 | Visual showing method of electric energy quality comprehensive assessment result |
| CN102768308A (en) * | 2012-08-07 | 2012-11-07 | 广州供电局有限公司 | Method for carrying out visual simulation test on dielectric loss of current transformer |
| CN103852654A (en) * | 2012-11-30 | 2014-06-11 | 国家电网公司 | Power quality data visualization display method and device |
| JP2015070694A (en) * | 2013-09-27 | 2015-04-13 | 株式会社ノーリツ | Power information display device |
| CN104104149A (en) * | 2014-07-01 | 2014-10-15 | 国家电网公司 | Electric apparatus state display and real-time alarm method based on SVG (Scalable Vector Graphics) technology |
| CN105335429A (en) * | 2014-08-08 | 2016-02-17 | 国家电网公司 | Electric energy data display method and apparatus |
| CN204101640U (en) * | 2014-09-10 | 2015-01-14 | 国家电网公司 | Contactless CVT dielectric loss measurement system |
| CN105186353A (en) * | 2015-09-22 | 2015-12-23 | 国网上海市电力公司 | Transformer substation rotating equipment charged state display method based on three dimensional model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108490267A (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109781268B (en) | Switch cabinet interior key part temperature monitoring system based on low-cost infrared hot-vision technology | |
| US9874593B2 (en) | Decision support system for outage management and automated crew dispatch | |
| CN107271823B (en) | Operating state monitoring method and system based on temperature measurement high-voltage cable | |
| CN104697653A (en) | Temperature pre-warning system for key equipment of ultrahigh-pressure power distributing station based on web | |
| CN203688725U (en) | On-line power cable insulating monitoring device | |
| CN105092058A (en) | On-line temperature monitoring system for high tension switchgear, and monitoring method thereof | |
| CN105004489A (en) | Gas insulated switchgear preventive diagnostic system and gas pressure monitoring method thereof | |
| CN106556427A (en) | A kind of transformer fault based reminding method and intelligent maintenance system | |
| CN111678557A (en) | Intelligent monitoring system and method for electrified railway traction transformer | |
| CN108490267B (en) | Display system for on-line monitoring data of power equipment | |
| CN111766476A (en) | Rapid networking and fault early warning device for bypass cable monitoring and early warning method thereof | |
| CN103650277B (en) | The supervising device of electrical network, photovoltaic system and operation method for the insulation structure of photovoltaic system | |
| CN107340468A (en) | A kind of high voltage isolator detecting system | |
| CN113153262A (en) | Offshore oilfield accessible capacity evaluation method based on cable thermal characteristics | |
| CN111562450B (en) | System and method for monitoring service life of reactor | |
| CN109470944B (en) | Fault early warning method for power protection equipment | |
| CN208753985U (en) | Intelligent lightning protection device and the lightning protection box for protecting three-phase circuit | |
| CN106066444A (en) | Ground fault detection device and method based on capacitance partial pressure and big data analysis | |
| CN205691705U (en) | A kind of ground fault detection device based on capacitance partial pressure | |
| CN100550556C (en) | The method and apparatus of the plausibility test of voltage transformer and electric switch facility | |
| CN209087095U (en) | A kind of Electrical Safety detector | |
| CN108768453B (en) | Special cable transmission characteristic measurement and analysis system | |
| CN108321925B (en) | Monitoring method and system for low-voltage power distribution system | |
| JP7099635B2 (en) | Data acquisition equipment, plant monitoring system and data collection method | |
| CN219799745U (en) | Parameter display system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |