CN118171431B - Intelligent secondary line calibration method and system - Google Patents
Intelligent secondary line calibration method and systemInfo
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- CN118171431B CN118171431B CN202410592053.0A CN202410592053A CN118171431B CN 118171431 B CN118171431 B CN 118171431B CN 202410592053 A CN202410592053 A CN 202410592053A CN 118171431 B CN118171431 B CN 118171431B
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Abstract
The invention relates to the technical field of electrical performance testing, in particular to an intelligent secondary line calibration method and system, wherein the method comprises the following steps: s1, topological construction of a power grid line architecture; s2, performing primary parameterization on an initial topological map; s3, constructing an actual measurement parameter set; s4, comparing the allowable parameter set with the actual measurement parameter set to construct a monitoring parameter set; s5, constructing a modified band parameter topological graph of the secondary network; and S6, carrying out cyclic monitoring on the secondary network based on the corrected band parameter topological graph. The invention realizes succinct expression by utilizing the topology map, accurately expresses the design index by indexing the allowable parameter of the initial topology map of the secondary network, is convenient to be used as a base parameter for testing, can rapidly determine the real difference of the circuit design condition and the actual condition by setting different judging conditions of the allowable parameter and the actual parameter, and can accurately judge the degradation of the secondary line by comparing the actual parameter construction set of the secondary network with the allowable parameter.
Description
Technical Field
The invention relates to the technical field of electrical performance testing, in particular to an intelligent secondary line calibration method and system.
Background
Primary cables and secondary cables are often used in a transformer substation, the primary cables are cables for providing power for electric equipment, the secondary cables are cables or wires arranged between the output end of a transformer on the high voltage side and a distribution device on the low voltage side of a power system, and the cables or wires are used as distribution lines in a power transmission and distribution system and are responsible for transmitting electric energy output by the transformer substation to a user. The secondary line not only comprises a power transmission function, but also comprises a control circuit, a protection circuit, a measuring circuit, a metering circuit, a signal circuit, an alarm circuit and the like, and the secondary line is used for measuring, operating and protecting primary equipment and circuits thereof, and is an important component in a power system, such as a motor operation main control cable, a metering cable, a protection cable, an electric communication cable and the like, which belong to the secondary cable. The main types of secondary wires include single-phase secondary wires, three-phase three-wire secondary wires, and three-phase four-wire secondary wires.
Common wiring methods of single-phase secondary wires include a vertical wiring method and a continuous wiring method, while wiring methods of three-phase secondary wires are relatively complex, and wiring is required according to specific situations. When overhauling or reforming the transformer substation, the working of wiring tens of thousands of secondary cables is needed, and when wiring, two ends of a plurality of wire cores in the cable are checked one by one to ensure that the wire cores are correctly wired, and the process is called secondary cable wire checking.
The traditional secondary cable school line mode is the alignment method, and the alignment method is that the red meter pen of universal meter is connected with one end of a sinle silk, and the black meter pen is connected with the other end of this sinle silk, and the school line of this sinle silk is accomplished when the universal meter shows that this sinle silk switches on or sends buzzing, and after the school line of a sinle silk was accomplished, need carry out school line again to other sinle silk, connect other sinle silk with the red meter pen and the black meter pen of universal meter again, carry out one by one conduction test to other sinle silk.
The alignment method is characterized in that: 1. the wire calibration process is complex and the operation is complex; 2. repeated work is more; 3. the cable identification device is complex in configuration and prone to error. With the development of science and technology, the number of the wire cores of the secondary cable is gradually increased, the wire calibrating time is exponentially increased along with the increase of the number of the wire cores, and the traditional method is not suitable for calibrating the secondary cable under the existing condition. Therefore, a wire calibration method and device are needed to be simple in implementation and operation, and capable of automatically generating a cable identification along with wire calibration, reducing the working complexity and improving the accuracy and efficiency.
In the prior art, technical schemes for correcting wires of secondary cables exist, for example:
Chinese patent application publication No. CN117630761a discloses a wire calibration system for secondary cable calibration; specifically disclosed is: the wire calibrating system comprises a limiting module, an erection module connected with the limiting module, an installation module connected with the erection module, a wire calibrating module linked with the installation module, a control module connected with the wire calibrating module and a feedback module connected with the control module. The invention has the advantages that the CT secondary wiring can be conveniently and rapidly detected, frequent plugging and unplugging of the wiring are not needed, abrasion between the wiring is reduced, wiring accidents are avoided, meanwhile, the checking work efficiency is improved, message transmission errors among workers are avoided, the workers can more accurately know the state in the circuit, the checking module can also be judged whether faults occur, the detection process is simpler, more convenient and more visual, meanwhile, the workers can conveniently store maintenance instruments through the cooperation of the bearing plate and the rain shield, and the blockage of rain and snow weather to maintenance work is avoided.
Chinese patent with bulletin number CN217085233U discloses a multifunctional cable secondary line calibrator; specifically disclosed is: the system comprises a plurality of hosts and slaves connected with signals of the hosts; the master machine and the slave machine both comprise a machine body and a wire core wiring module; the machine body comprises a shell, a liquid crystal screen, an operation keyboard and a pickup hole; the wire core wiring module comprises a first wiring port or a second wiring port; the first wiring port comprises a plurality of transmission ports, a voice wiring port and a grounding port; the second wiring port comprises a plurality of receiving ports, a voice wiring port and a grounding port; one path of signals in the transmitting port and one path of signals in the receiving port are mutually provided with a voice intercom function, so that voice communication of on-site wire correction personnel is facilitated, and the name of a cable to be tested can be edited; cable short circuit test can be performed; the master machine and the slave machine can be mutually switched, and multiple master machines can be used in parallel to finish the wire calibration work of any multiple cables; and a plurality of cables to be tested can be accessed at one time, so that the working efficiency is improved.
Chinese patent application publication No. CN116359792a discloses a secondary line calibrator; specifically disclosed is: the device comprises a test host end and a test slave end, wherein the test host end is internally inserted with secondary wires, and the test slave end is internally inserted with all secondary wires to be tested; a test power supply and a current adjusting module are arranged in the test host end, the test power supply is electrically connected with a connecting terminal through the current adjusting module, and the connecting terminal is electrically connected with a wire core at one end of the secondary wire; the test slave machine end is provided with a display screen, a wiring terminal, a current sampling module and a test slave machine MCU, the test slave machine MCU is electrically connected with the display screen and the current sampling module respectively, the current sampling module is electrically connected with the wiring terminal, the wiring terminal is electrically connected with a wire core at the other end of the secondary wire, the special wiring mode of the test slave machine end is used for shortening the calibration working time of the secondary wire, and meanwhile, whether the multi-core short circuit occurs to the cable can be rapidly detected, accident hidden dangers can be timely found, and the construction quality is improved.
However, the prior art typified by the above-mentioned patent has the following technical problems:
1. The prior art expresses the line in the form of a list and the like, and has the problems of unclear expression and no conciseness.
2. In the prior art, when network representation is performed by using graphs such as a grid graph, a network graph, a topological graph, a simplified graph, a geometric graph and the like, abnormality cannot be directly determined without parameter indexing.
3. The anomaly monitoring in the prior art is performed based on a given design parameter, and cannot reflect the difference between the design parameter and the actual normal parameter.
4. The prior art can not judge and correct the real parameters and the design parameters according to the conditions.
Disclosure of Invention
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: an intelligent secondary line calibration method comprises the following steps:
S1, topological structure of a power grid line architecture: based on the real wiring of the power grid line architecture, determining the upper and lower level relationship and the connection relationship of each secondary line according to the serial connection and parallel connection relationship of each secondary line, and constructing an initial topological graph of the secondary line network ；
Wherein,Representing a set of secondary lines; i and j are the level index and the sequence index of the secondary line respectively,Represents the ith and jth secondary lines;
s2, performing primary parameterization on an initial topological map; retrieving each design permission parameter of each line in the power grid and constructing a design permission parameter set ; Wherein n is the type number of the design permission parameter,AndThe minimum allowable value and the maximum allowable value of the nth design allowable parameter of the ith-level jth secondary line are respectively represented; when the detection value of the design permission parameter falls between the minimum permission value and the maximum permission value, the design permission parameter of the secondary line corresponding to the detection value is considered to be normal;
aggregating the design permission parameters Indexing to an initial topology mapObtaining the topology map of the ginseng；
S3, constructing an actual measurement parameter set; circularly grabbing the electric signals of the secondary network to construct an actual measurement parameter set;
S4, comparing the allowable parameter set with the actual measurement parameter set to construct a monitoring parameter set;
s5, constructing a modified band parameter topological graph of the secondary network;
and S6, carrying out cyclic monitoring on the secondary network based on the corrected band parameter topological graph.
Further, each design permission parameter at least comprises a voltage value, a current value, a resistance value, a reactance value and a conductance value.
Further, in step S2,; Wherein: Representing a secondary line voltage value; representing a secondary line current value; representing a secondary line impedance value; Representing the reactance value of the secondary line; representing the secondary wire conductance value.
Further, step S3 includes: according to the type of the design permission parameters, circularly capturing the electric signals from the secondary network, extracting the electric signal parameters which are the same as the type of the design permission parameters, and constructing an actual measurement parameter set; Wherein,Represents the electrical signal parameters of the ith secondary line, which are the same as the nth design allowable parameter class,AndRepresenting the minimum and maximum values, respectively, of the electrical signal parameter during cyclic grasping.
Further, in step S4, the design permission parameter is setAnd a set of measured parametersPerforming set operation and judging the inclusion relationship of the two; the determination conditions include:
t1: if it meets And is also provided with；
Then it is determined thatThe actual measurement parameter set is in a 'contained and non-overrun' relation with respect to the design allowable parameter set;
T2: if it meets And is also provided withThe actual measurement parameter set is in a non-inclusion and bidirectional overrun relation relative to the design allowable parameter set;
Then it is determined that ；
T3: if it meetsAnd is also provided withJudging that the actual measurement parameter set is in a non-inclusion and upper overrun relation relative to the design allowable parameter set;
t4: if it meets And is also provided withThe actual measurement parameter set is in a non-inclusive and lower overrun relationship with respect to the design allowable parameter set.
Further, in step S4, if a certain secondary line satisfies the determination condition T1, the actual measurement parameters are collectedAnd determining a monitoring parameter set of the corresponding secondary line.
Further, in step S4, if a certain secondary line meets the determination condition T2, it is determined that the corresponding secondary line exceeds the design specification, and early warning is performed.
Further, if a certain secondary line meets the judging condition T3 or the judging condition T4, submitting an artificial check, if the artificial check determines that the actual measurement parameters exceeding the design allowable parameter set are abnormal, performing early warning, if the artificial check determines that the actual measurement parameters exceeding the design allowable parameter set are normal fluctuation, performing the artificial check on the actual measurement parameter setCorrection is performed to obtain the determination condition T3And under the determination condition T4As a set of monitoring parameters for the corresponding secondary line.
Further, in step S5, the monitoring parameter sets of all secondary lines satisfying the determination condition T1, the determination condition T3 or the determination condition T4 and manually determined to be normal fluctuations are marked to the initial topology mapObtaining a corrected ginseng topological graphWherein, the method comprises the steps of, wherein,AndRespectively representing the minimum allowable value and the maximum allowable value of the nth monitoring parameter of the ith-level jth secondary line; To monitor the allowable interval; Is that 、、One of the three;
In step S6, all the secondary lines of the secondary line network are monitored in a circulating manner, and if the measured value of any one of the electrical signal parameters of a certain secondary line exceeds the monitoring allowable interval, early warning is performed.
In addition, the application also provides an intelligent secondary line calibration system which is used for implementing the intelligent secondary line calibration method.
The invention has the beneficial effects that:
1. the invention carries out topological setting on the secondary network, eliminates non-key parameters such as line length, model and the like in a real line, and realizes concise expression of the secondary network by using a topological map.
2. The invention can accurately express the design permission index by indexing the permission parameters of the initial topological graph of the secondary network, and is convenient to be used as the base parameter of the test.
3. The invention can rapidly determine the real difference between the circuit design condition and the actual condition by setting different judging conditions of the allowable parameter and the actually measured parameter.
4. According to the invention, the actual measurement parameters of the secondary line network are constructed into the set, and compared with the allowable parameters, and when the actual measurement parameters are smaller than the allowable parameters, the actual measurement parameters are used as the monitoring parameters, so that the degradation of the secondary line can be accurately judged.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a schematic diagram of the hardware components of the secondary wiring device of the present invention.
Fig. 3 is a schematic diagram of a software and hardware architecture of the present invention.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
According to fig. 1, the embodiment provides an intelligent secondary line calibration method, which comprises the following steps:
S1, topological structure of a power grid line architecture: based on the real wiring of the power grid line architecture, determining the upper and lower level relationship and the connection relationship of each secondary line according to the serial connection and parallel connection relationship of each secondary line, and constructing an initial topological graph of the secondary line network ；
Wherein,Representing a set of secondary lines; i and j are the level index and the sequence index of the secondary line respectively,Represents the ith and jth secondary lines;
s2, performing primary parameterization on an initial topological map; retrieving each design permission parameter of each line in the power grid and constructing a design permission parameter set ; Wherein n is the type number of the design permission parameter,AndThe minimum allowable value and the maximum allowable value of the nth design allowable parameter of the ith-level jth secondary line are respectively represented; when the detection value of the design permission parameter falls between the minimum permission value and the maximum permission value, the design permission parameter of the secondary line corresponding to the detection value is considered to be normal;
aggregating the design permission parameters Indexing to an initial topology mapObtaining the topology map of the ginseng；
S3, constructing an actual measurement parameter set; circularly grabbing the electric signals of the secondary network to construct an actual measurement parameter set;
S4, comparing the allowable parameter set with the actual measurement parameter set to construct a monitoring parameter set;
s5, constructing a modified band parameter topological graph of the secondary network;
and S6, carrying out cyclic monitoring on the secondary network based on the corrected band parameter topological graph.
Further, each design permission parameter at least comprises a voltage value, a current value, a resistance value, a reactance value and a conductance value.
Further, in step S2,; Wherein: Representing a secondary line voltage value; representing a secondary line current value; representing a secondary line impedance value; Representing the reactance value of the secondary line; representing the secondary wire conductance value.
Further, the step S3 specifically includes: according to the type of the design permission parameters, circularly capturing the electric signals from the secondary network, extracting the electric signal parameters which are the same as the type of the design permission parameters, and constructing an actual measurement parameter set; Wherein,Represents the electrical signal parameters of the ith secondary line, which are the same as the nth design allowable parameter class,AndRepresenting the minimum and maximum values, respectively, of the electrical signal parameter during cyclic grasping.
Further, in step S4, the design permission parameter is setAnd a set of measured parametersPerforming set operation and judging the inclusion relationship of the two; the determination conditions include:
t1: if it meets And is also provided with；
Then it is determined thatThe actual measurement parameter set is in a 'contained and non-overrun' relation with respect to the design allowable parameter set;
T2: if it meets And is also provided withThe actual measurement parameter set is in a non-inclusion and bidirectional overrun relation relative to the design allowable parameter set;
Then it is determined that ；
T3: if it meetsAnd is also provided withJudging that the actual measurement parameter set is in a non-inclusion and upper overrun relation relative to the design allowable parameter set;
t4: if it meets And is also provided withThe actual measurement parameter set is in a non-inclusive and lower overrun relationship with respect to the design allowable parameter set.
Further, in step S4, if a certain secondary line satisfies the determination condition T1, the actual measurement parameters are collectedAnd determining a monitoring parameter set of the corresponding secondary line.
Further, in step S4, if a certain secondary line meets the determination condition T2, it is determined that the corresponding secondary line exceeds the design specification, and early warning is performed.
Further, if a certain secondary line meets the judging condition T3 or the judging condition T4, submitting an artificial check, if the artificial check determines that the actual measurement parameters exceeding the design allowable parameter set are abnormal, performing early warning, if the artificial check determines that the actual measurement parameters exceeding the design allowable parameter set are normal fluctuation, performing the artificial check on the actual measurement parameter setCorrection is performed to obtain the determination condition T3And under the determination condition T4As a set of monitoring parameters for the corresponding secondary line.
Further, in step S5, the monitoring parameter sets of all secondary lines satisfying the determination condition T1, the determination condition T3 or the determination condition T4 and manually determined to be normal fluctuations are marked to the initial topology mapObtaining a corrected ginseng topological graphWherein, the method comprises the steps of, wherein,AndRespectively representing the minimum allowable value and the maximum allowable value of the nth monitoring parameter of the ith-level jth secondary line; To monitor the allowable interval; Is that 、、One of the three;
In step S6, all the secondary lines of the secondary line network are monitored in a circulating manner, and if the measured value of any one of the electrical signal parameters of a certain secondary line exceeds the monitoring allowable interval, early warning is performed.
Second embodiment
The application also provides an intelligent secondary line calibration system, which is used for implementing the intelligent secondary line calibration method and comprises a secondary wiring device; the secondary wiring device hardware comprises a terminal, a core control unit, an intelligent wire calibrating module, a label printing module, a wire number printing module, a power supply and the like, the secondary wiring device comprises a host side and a slave side, the structures of the host side and the slave side are the same, the secondary wiring device is connected to two sides of a multi-core cable through a main wire terminal strip and a slave wire terminal strip and used for carrying out static test on physical characteristics of the multi-core cable, in addition, the secondary wiring device can also be used as a circulation test device, modulation and collection of interactive electric signals are carried out at two ends of the multi-core cable and used for carrying out dynamic monitoring on the multi-core cable under the condition of current transmission, and the connection relation between the host side and the slave side is shown in figure 2.
In the actual working process, two operators each carry an intelligent secondary wiring device, two ends of the cable host side and two ends of the slave side are respectively connected into the two secondary wiring devices, intelligent wire correction operation is carried out through the terminal, and corresponding labels and tags are synchronously printed at the two ends after wire correction is completed.
The field technician can quickly realize the arrangement, trend and connection picture model between two ends and the wiring terminals of the secondary line of the substation by using a three-dimensional (or BIM) plug-in unit capable of modeling. When one secondary wire is selected, the secondary wire cable cores can be automatically ordered, one end of the secondary wire cable can be selected, and the corresponding terminal numbers of the wire cores and the terminal rows are displayed. The device adopts an electronic wire calibration, the wire cores of the same secondary cable are randomly connected to a wire calibration instrument, the wire calibration can identify the corresponding situation of the wire cores, and the wire cores corresponding to the two ends display the same number; meanwhile, a communication loop is formed through secondary cable shielding and the secondary cable core which is identified as 1, so that communication can be performed in real time. The wire number tube can print the wire number tube of all sinle silk of a secondary cable once, after selecting secondary cable one end, the local that involves on the wire number tube with cabinet body number, terminal row number, the terminal number information of the other end, carry out information acquisition through secondary cable multidimensional information visualization API, with the information push that acquires for wire number tube print module, realize the wire number tube printing with the root secondary cable. The printing information of the cable label is also obtained through a secondary cable similar process; the system software and hardware architecture is shown in fig. 3, the system comprises a system software layer, a device abstraction layer and a hardware layer, and the three layers are electrically connected and communicated, wherein the system software layer comprises hardware control software for controlling the hardware layer, and the hardware layer comprises a device information reporting function for reporting current information to the system software layer; the device abstraction layer comprises a user graphic interface and a control interface, and is used for outputting the current state of the device and available control instructions to a controller, outputting signals to a system software layer and hardware according to the instructions of the controller, and receiving feedback signals.
The intelligent wire correction module is updated by adopting a self-grinding wire correction instrument, digital coding is carried out on the wire cores, a differential transmission principle is utilized to carry out long-distance high-speed digital transmission between the wire cores and the shielding layer or the common line, a receiving end compensates parasitic capacitance and inductance generated by long-distance multi-strand cables in a hardware and software mode, parasitic interference is removed, digital decoding is carried out on the wire cores, the wire numbers of the corresponding transmitting ends of each wire core are rapidly and accurately identified, conditions such as on-off and short circuit among strands are judged, and the result is transmitted to the control terminal. In addition, the voice call function can be integrated, and the cooperative operation between the master and slave machines is facilitated.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An intelligent secondary line calibration method is characterized by comprising the following steps:
S1, topological structure of a power grid line architecture: based on the real wiring of the power grid line architecture, determining the upper and lower level relationship and the connection relationship of each secondary line according to the serial connection and parallel connection relationship of each secondary line, and constructing an initial topological graph of the secondary line network ；
Wherein,Representing a set of secondary lines; i and j are the level index and the sequence index of the secondary line respectively,Represents the ith and jth secondary lines;
s2, primary parameterization of an initial topological map: retrieving each design permission parameter of each line in the power grid and constructing a design permission parameter set ; Wherein n is the type number of the design permission parameter,AndThe minimum allowable value and the maximum allowable value of the nth design allowable parameter of the ith-level jth secondary line are respectively represented; when the detection value of the design permission parameter falls between the minimum permission value and the maximum permission value, the design permission parameter of the secondary line corresponding to the detection value is considered to be normal;
aggregating the design permission parameters Indexing to an initial topology mapObtaining the topology map of the ginseng；
S3, constructing an actual measurement parameter set: circularly grabbing the electric signals of the secondary network to construct an actual measurement parameter set;
S4, comparing the allowable parameter set with the actual measurement parameter set to construct a monitoring parameter set;
s5, constructing a modified band parameter topological graph of the secondary network;
and S6, carrying out cyclic monitoring on the secondary network based on the corrected band parameter topological graph.
2. The method according to claim 1, wherein in step S2, each design permission parameter includes at least a voltage value, a current value, a resistance value, a reactance value, and a conductance value.
3. The method for intelligent secondary line calibration according to claim 2, wherein in step S2,; Wherein: Representing a secondary line voltage value; representing a secondary line current value; representing a secondary line impedance value; Representing the reactance value of the secondary line; representing the secondary wire conductance value.
4. The intelligent secondary line calibration method according to claim 1, wherein step S3 comprises: according to the type of the design permission parameters, circularly capturing the electric signals from the secondary network, extracting the electric signal parameters which are the same as the type of the design permission parameters, and constructing an actual measurement parameter set; Wherein,Represents the electrical signal parameters of the ith secondary line, which are the same as the nth design allowable parameter class,AndRepresenting the minimum and maximum values of the electrical signal parameters during cyclic grasping, respectively.
5. The method of claim 4, wherein in step S4, the design permission parameters are setAnd a set of measured parametersPerforming set operation and judging the inclusion relationship of the two; the determination conditions include:
t1: if it meets And is also provided with；
Then it is determined thatThe actual measurement parameter set is in a 'contained and non-overrun' relation with respect to the design allowable parameter set;
T2: if it meets And is also provided withThe actual measurement parameter set is in a non-inclusion and bidirectional overrun relation relative to the design allowable parameter set;
Then it is determined that ；
T3: if it meetsAnd is also provided withJudging that the actual measurement parameter set is in a non-inclusion and upper overrun relation relative to the design allowable parameter set;
t4: if it meets And is also provided withThe actual measurement parameter set is in a non-inclusive and lower overrun relationship with respect to the design allowable parameter set.
6. The method of claim 5, wherein in step S4, if a certain secondary line satisfies a determination condition T1, the actual measurement parameter set is obtainedAnd determining a monitoring parameter set of the corresponding secondary line.
7. The method for calibrating an intelligent secondary line according to claim 6, wherein in step S4, if a certain secondary line meets a determination condition T2, it is determined that the corresponding secondary line exceeds a design specification, and early warning is performed.
8. The method for calibrating an intelligent secondary line according to claim 7, wherein if a certain secondary line satisfies a determination condition T3 or a determination condition T4, an artificial check is submitted, if the artificial check determines that the actual measurement parameter exceeding the design allowable parameter set is abnormal, an early warning is performed, if the artificial check determines that the actual measurement parameter exceeding the design allowable parameter set is normal fluctuation, the artificial check is performed on the actual measurement parameter setCorrection is performed to obtain the determination condition T3And under the determination condition T4As a set of monitoring parameters for the corresponding secondary line.
9. The method according to claim 8, wherein in step S5, the monitoring parameter sets of all secondary lines satisfying the determination condition T1, satisfying the determination condition T3 or the determination condition T4 and manually determined to be normal fluctuations are marked to the initial topology mapObtaining a corrected ginseng topological graphWherein, the method comprises the steps of, wherein,AndRespectively representing the minimum allowable value and the maximum allowable value of the nth monitoring parameter of the ith-level jth secondary line; To monitor the allowable interval; Is that 、、One of the three;
In step S6, all the secondary lines of the secondary line network are monitored in a circulating manner, and if the measured value of any one of the electrical signal parameters of a certain secondary line exceeds the monitoring allowable interval, early warning is performed.
10. An intelligent secondary line calibration system, characterized by being used for implementing an intelligent secondary line calibration method as claimed in any one of claims 1-9.
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| CN202410592053.0A CN118171431B (en) | 2024-05-14 | Intelligent secondary line calibration method and system |
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| CN202410592053.0A CN118171431B (en) | 2024-05-14 | Intelligent secondary line calibration method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636723A (en) * | 2012-05-04 | 2012-08-15 | 新疆维吾尔自治区送变电工程公司 | Secondary cable checking method for transformer substation |
| CN109376436A (en) * | 2018-10-30 | 2019-02-22 | 湖北窗口科技有限公司 | The generation method and device of forceful electric power network line topology |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636723A (en) * | 2012-05-04 | 2012-08-15 | 新疆维吾尔自治区送变电工程公司 | Secondary cable checking method for transformer substation |
| CN109376436A (en) * | 2018-10-30 | 2019-02-22 | 湖北窗口科技有限公司 | The generation method and device of forceful electric power network line topology |
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