CN113839690B - Power line carrier simulation operation test method and device - Google Patents

Power line carrier simulation operation test method and device Download PDF

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Publication number
CN113839690B
CN113839690B CN202111097237.2A CN202111097237A CN113839690B CN 113839690 B CN113839690 B CN 113839690B CN 202111097237 A CN202111097237 A CN 202111097237A CN 113839690 B CN113839690 B CN 113839690B
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operation data
data
signal
preset
received
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CN113839690A (en
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付佳佳
施展
曾瑛
张正峰
卢建刚
梁宇图
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Guangdong Power Grid Co Ltd
Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The invention discloses a method and a device for testing the carrier simulation operation of a power line, wherein the method comprises the following steps: carrying out reduction processing on the data to be tested according to a preset proportion, constructing a reduction rule, and acquiring a plurality of operation data; inputting a plurality of operation data into an environment simulation unit, sequentially acquiring input signals and receiving signals corresponding to the operation data, and acquiring first difference data according to the inconsistency of the sequentially compared input signals and receiving signals; inputting a preset interference signal and operation data into a preset environment simulation unit, acquiring an input signal and a received interference signal, and acquiring second difference data according to the inconsistency of the input signal and the received interference signal in sequence; and acquiring the corresponding operation problems in the power line carrier simulation operation test system according to the first difference data and the second difference data. The invention adopts a comparison method to obtain the difference data of the scaled-down data, and adds an interference signal to carry out secondary comparison, thereby improving the accuracy of the operation test.

Description

Power line carrier simulation operation test method and device
Technical Field
The invention relates to the technical field of power line carrier test, in particular to a power line carrier simulation operation test method and device.
Background
The power line carrier communication is used as one of the main local communication modes of the low-voltage distribution room of the power consumption information acquisition system, has been widely applied to the construction of the power consumption information acquisition system by virtue of the characteristics of mature technology, simple construction, convenient operation and maintenance and the like, and is usually required to carry out a power line carrier simulation experiment to detect whether the power line carrier performance meets the index requirements or not in consideration of the very complicated actual use environment.
The existing simulation experiment mainly uses narrow-band carrier waves, respectively considers the change condition of each module and builds a hardware circuit for realization, and then each module is injected into a purified simulation power grid, so that the simulation of the low-voltage power line carrier communication system is realized. However, the existing carrier detection data systems cannot accurately detect problems, and some situations with problems are automatically shielded in the simulation process due to the arrangement of the existing detection systems.
Disclosure of Invention
The invention aims to provide a power line carrier simulation operation test method to solve the problem that the detection accuracy of abnormal data of the existing power line carrier simulation system is not high.
In order to achieve the above object, the present invention provides a power line carrier simulation operation testing method, which includes:
carrying out reduction processing on data to be tested according to a preset proportion to obtain first operation data and second operation data, constructing a reduction rule according to the first operation data and the second operation data, and obtaining other operation data except the first operation data and the second operation data by referring to the reduction rule;
inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent or not, and taking data with inconsistency after sequential comparison as first difference data;
inputting a preset interference signal, the first operation data, the second operation data and the other operation data into the preset environment simulation unit, acquiring the input signal and a received interference signal, sequentially comparing whether the input signal and the corresponding received interference signal are consistent, and taking data which is inconsistent after sequential comparison as second difference data;
and acquiring the corresponding operation problems in the power line carrier simulation operation test system according to the first difference data and the second difference data.
Preferably, the reducing the data to be tested according to the preset ratio to obtain the first operating data and the second operating data includes:
carrying out reduction processing on the data to be tested according to a preset proportion to obtain reduced data;
determining the preset maximum operation data of the environment simulation unit according to the reduced data, and taking the maximum operation data as the first operation data;
and determining the preset minimum operation data of the environment simulation unit according to the reduced data, and taking the minimum operation data as the second operation data.
Preferably, the obtaining of the other operation data except the first operation data and the second operation data by referring to the reduction rule includes:
the other operation data includes third operation data T3, fourth operation data T4, fifth operation data T5, sixth operation data T6, and seventh operation data T7, and the reduction rules include first, second, third, fourth, and fifth reduction rules;
constructing the first reduction rule according to the first operating data T1 and the second operating data T2, and determining the third operating data T3, where the first reduction rule specifically is:
T3=T1+(T1-T2)/3;
constructing the second reduction rule according to the first operation data T1 and the second operation data T2, and determining the fourth operation data T4, where the second reduction rule specifically is:
T4=T1+(T1-T2)×2/3;
constructing the third reduction rule according to the first operation data T1 and the second operation data T2, and determining the fifth operation data T5, where the third reduction rule specifically is:
T5=T1+(T1-T2)/4;
constructing the fourth reduction rule according to the first operation data T1 and the second operation data T2, and determining the sixth operation data T6, where the fourth reduction rule specifically is:
T6=T1+(T1-T2)/2;
constructing the fifth reduction rule according to the first operation data T1 and the second operation data T2, and determining the seventh operation data T7, where the fifth reduction rule specifically is:
T7=T1+(T1-T2)×3/4。
preferably, the inputting the first operating data, the second operating data, and the other operating data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operating data, the second operating data, and the other operating data, sequentially comparing whether the input signals and the corresponding received signals are consistent, and using data with inconsistency after sequential comparison as first difference data includes:
the preset environment simulation unit is connected with a preset carrier signal input unit, and the preset carrier signal input unit is used for receiving and reading a signal corresponding to the preset environment simulation unit;
reading the input signals corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data and the seventh operation data according to the preset carrier signal input unit, where the input signals include: a first input signal, a second input signal, a third input signal, a fourth input signal, a fifth input signal, a sixth input signal, and a seventh input signal;
receiving, by the preset carrier signal input unit, the received signal corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received signal includes: a first received signal, a second received signal, a third received signal, a fourth received signal, a fifth received signal, a sixth received signal, and a seventh received signal;
comparing the first input signal with the first receiving signal, the second input signal with the second receiving signal, the third input signal with the third receiving signal, the fourth input signal with the fourth receiving signal, the fifth input signal with the fifth receiving signal, the sixth input signal with the sixth receiving signal, and the seventh input signal with the seventh receiving signal in sequence, respectively, to obtain a plurality of first comparison results, and if there is an inconsistency between the input signal and the receiving interference signal in the plurality of first comparison results, obtaining inconsistent data in the plurality of first comparison results to determine the first difference data.
Preferably, the inputting a preset interference signal, the first operation data, the second operation data, and the other operation data into the preset environment simulation unit, acquiring the input signal and the received interference signal, sequentially comparing whether the input signal and the corresponding received interference signal are consistent, and using data that is inconsistent after sequential comparison as second difference data includes:
the preset environment simulation unit is connected with a preset weather simulation unit, acquires the preset interference signal according to the preset weather simulation unit, and inputs the preset interference signal into the preset environment simulation unit;
receiving, according to the preset carrier signal input unit, the received interference signal corresponding to the preset interference signal, the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received interference signal includes: a first receiving interference signal, a second receiving interference signal, a third receiving interference signal, a fourth receiving interference signal, a fifth receiving interference signal, a sixth receiving interference signal, and a seventh receiving interference signal;
comparing the first input signal with the first received interference signal, the second input signal with the second received interference signal, the third input signal with the third received interference signal, the fourth input signal with the fourth received interference signal, the fifth input signal with the fifth received interference signal, the sixth input signal with the sixth received interference signal, and the seventh input signal with the seventh received interference signal in sequence, respectively, to obtain a plurality of second comparison results, and if there is inconsistency between the input signal and the received interference signal in the plurality of second comparison results, obtaining inconsistent data in the plurality of second comparison results to determine the second difference data.
The invention also provides a power line carrier simulation operation testing device, which comprises:
the data acquisition module is used for carrying out reduction processing on data to be tested according to a preset proportion to obtain first operating data and second operating data, constructing a reduction rule according to the first operating data and the second operating data, and acquiring other operating data except the first operating data and the second operating data according to the reduction rule;
the first comparison module is used for inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent or not, and taking data with inconsistency after sequential comparison as first difference data;
a second comparison module, configured to input a preset interference signal, the first operation data, the second operation data, and the other operation data into the preset environment simulation unit, acquire the input signal and a received interference signal, sequentially compare whether the input signal and the corresponding received interference signal are consistent, and use data that is inconsistent after sequential comparison as second difference data;
and the analysis module is used for acquiring the corresponding operation problems in the power line carrier simulation operation test system according to the first difference data and the second difference data.
Preferably, the data obtaining module is further configured to:
carrying out reduction processing on the data to be tested according to a preset proportion to obtain reduced data;
determining the preset maximum operation data of the environment simulation unit according to the reduced data, and taking the maximum operation data as the first operation data;
and determining the preset minimum operation data of the environment simulation unit according to the reduced data, and taking the minimum operation data as the second operation data.
Preferably, the data obtaining module is further configured to:
the other operation data includes third operation data T3, fourth operation data T4, fifth operation data T5, sixth operation data T6, and seventh operation data T7, and the reduction rules include first, second, third, fourth, and fifth reduction rules;
constructing the first reduction rule according to the first operating data T1 and the second operating data T2, and determining the third operating data T3, where the first reduction rule specifically is:
T3=T1+(T1-T2)/3;
constructing the second reduction rule according to the first operation data T1 and the second operation data T2, and determining the fourth operation data T4, where the second reduction rule specifically is:
T4=T1+(T1-T2)×2/3;
constructing the third reduction rule according to the first operation data T1 and the second operation data T2, and determining the fifth operation data T5, where the third reduction rule specifically is:
T5=T1+(T1-T2)/4;
constructing the fourth reduction rule according to the first operation data T1 and the second operation data T2, and determining the sixth operation data T6, where the fourth reduction rule specifically is:
T6=T1+(T1-T2)/2;
constructing the fifth reduction rule according to the first operation data T1 and the second operation data T2, and determining the seventh operation data T7, where the fifth reduction rule specifically is:
T7=T1+(T1-T2)×3/4。
preferably, the first alignment module is further configured to:
the preset environment simulation unit is connected with a preset carrier signal input unit, and the preset carrier signal input unit is used for receiving and reading a signal corresponding to the preset environment simulation unit;
reading the input signals corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data and the seventh operation data according to the preset carrier signal input unit, where the input signals include: a first input signal, a second input signal, a third input signal, a fourth input signal, a fifth input signal, a sixth input signal, and a seventh input signal;
receiving, by the preset carrier signal input unit, the received signal corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received signal includes: a first received signal, a second received signal, a third received signal, a fourth received signal, a fifth received signal, a sixth received signal, and a seventh received signal;
comparing the first input signal with the first receiving signal, the second input signal with the second receiving signal, the third input signal with the third receiving signal, the fourth input signal with the fourth receiving signal, the fifth input signal with the fifth receiving signal, the sixth input signal with the sixth receiving signal, and the seventh input signal with the seventh receiving signal in sequence, respectively, to obtain a plurality of first comparison results, and if there is an inconsistency between the input signal and the receiving interference signal in the plurality of first comparison results, obtaining inconsistent data in the plurality of first comparison results to determine the first difference data.
Preferably, the second alignment module is further configured to:
the preset environment simulation unit is connected with a preset weather simulation unit, acquires the preset interference signal according to the preset weather simulation unit, and inputs the preset interference signal into the preset environment simulation unit;
receiving, according to the preset carrier signal input unit, the received interference signal corresponding to the preset interference signal, the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received interference signal includes: a first receiving interference signal, a second receiving interference signal, a third receiving interference signal, a fourth receiving interference signal, a fifth receiving interference signal, a sixth receiving interference signal, and a seventh receiving interference signal;
comparing the first input signal with the first received interference signal, the second input signal with the second received interference signal, the third input signal with the third received interference signal, the fourth input signal with the fourth received interference signal, the fifth input signal with the fifth received interference signal, the sixth input signal with the sixth received interference signal, and the seventh input signal with the seventh received interference signal in sequence, respectively, to obtain a plurality of second comparison results, and if there is inconsistency between the input signal and the received interference signal in the plurality of second comparison results, obtaining inconsistent data in the plurality of second comparison results to determine the second difference data.
Compared with the prior art, the invention has the beneficial effects that:
carrying out reduction processing on data to be tested according to a preset proportion to obtain first operation data and second operation data, constructing a reduction rule according to the first operation data and the second operation data, and obtaining other operation data; inputting the first operation data, the second operation data and other operation data into a preset environment simulation unit, sequentially obtaining input signals and receiving signals corresponding to the first operation data, the second operation data and other operation data, and obtaining first difference data according to the fact that the input signals and the receiving signals are not consistent in sequence; inputting preset interference signals, first operation data, second operation data and other operation data into a preset environment simulation unit, acquiring input signals and received interference signals, and acquiring second difference data according to the inconsistency of the input signals and the received interference signals in sequence; and acquiring the corresponding operation problems in the power line carrier simulation operation test system according to the first difference data and the second difference data. According to the invention, the data difference is monitored by a plurality of groups of reduced data during simulation operation, so that abnormal data are prevented from being ignored in the simulation process due to single data simulated by the system.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a power line carrier simulation operation test method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a power line carrier simulation operation test system according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a power line carrier simulation operation testing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that the step numbers used herein are for convenience of description only and are not intended as limitations on the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a method for testing carrier simulation operation of a power line, including the following steps:
s101: the method comprises the steps of carrying out reduction processing on data to be tested according to a preset proportion to obtain first operation data and second operation data, constructing a reduction rule according to the first operation data and the second operation data, and obtaining other operation data except the first operation data and the second operation data according to the reduction rule.
Specifically, the data to be tested is reduced according to a preset proportion to obtain reduced data, the preset maximum operation data of the environment simulation unit is determined according to the reduced data to obtain first operation data T1, the preset minimum operation data of the environment simulation unit is determined according to the reduced data, and second operation data T2 is obtained. Wherein, the ratio of the data to be measured and the actual data is the preset ratio, which comprises the following steps: 1:10, 1:100, 1:200, and 1: 500.
The other operation data includes third operation data T3, fourth operation data T4, fifth operation data T5, sixth operation data T6 and seventh operation data T7, the reduction rule includes a first reduction rule, a second reduction rule, a third reduction rule, a fourth reduction rule and a fifth reduction rule, the first reduction rule is constructed according to the first operation data T1 and the second operation data T2, and the third operation data T3 is determined, where the first reduction rule specifically includes:
T3=T1+(T1-T2)/3;
constructing a second reduction rule according to the first operation data T1 and the second operation data T2, and determining fourth operation data T4, wherein the second reduction rule specifically comprises the following steps:
T4=T1+(T1-T2)×2/3;
constructing a third reduction rule according to the first operation data T1 and the second operation data T2, and determining fifth operation data T5, wherein the third reduction rule specifically comprises the following steps:
T5=T1+(T1-T2)/4;
constructing a fourth reduction rule according to the first operation data T1 and the second operation data T2, and determining sixth operation data T6, wherein the fourth reduction rule specifically comprises the following steps:
T6=T1+(T1-T2)/2;
constructing a fifth reduction rule according to the first operation data T1 and the second operation data T2, and determining seventh operation data T7, wherein the fifth reduction rule specifically comprises the following steps:
T7=T1+(T1-T2)×3/4。
s102: inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent or not, and taking data with inconsistency after sequential comparison as first difference data.
Specifically, the preset environment simulation unit is connected to a preset carrier signal input unit, the preset carrier signal input unit is configured to receive and read a signal corresponding to the preset environment simulation unit, sequentially input seven sets of acquired data T1-T7 into the preset environment simulation unit, input a signal for the preset environment simulation unit through the preset carrier signal input unit, receive and read a corresponding signal through the preset carrier signal input unit, and sequentially record signals input in the simulation environment corresponding to the seven sets of data T1, T2, T3, T4, T5, T6, and T7 as a1, a2, A3, a4, a5, A6, and a7, specifically, read input signals corresponding to first operation data, second operation data, third operation data, fourth operation data, fifth operation data, sixth operation data, and seventh operation data according to the preset carrier signal input unit, the input signal includes: a first input signal, a second input signal, a third input signal, a fourth input signal, a fifth input signal, a sixth input signal, and a seventh input signal.
Signals received by reading the simulated environment corresponding to seven groups of data T1, T2, T3, T4, T5, T6 and T7 are recorded as E1, E2, E3, E4, E5, E6 and E7 in sequence, specifically, receiving signals corresponding to first operation data, second operation data, third operation data, fourth operation data, fifth operation data, sixth operation data and seventh operation data according to a preset carrier signal input unit, wherein the receiving signals include: the first received signal, the second received signal, the third received signal, the fourth received signal, the fifth received signal, the sixth received signal, and the seventh received signal.
Comparing the data with different indexes in seven groups of data A1-E1, A2-E2, A3-E3, A4-E4, A5-E5, A6-E6 and A7-E7 respectively, and comparing the differences in the approximate grid environment simulated by seven groups of data of T1, T2, T3, T4, T5, T6 and T7, and recording, specifically, sequentially comparing a first input signal with a first receiving signal, a second input signal with a second receiving signal, a third input signal with a third receiving signal, a fourth input signal with a fourth receiving signal, a fifth input signal with a fifth receiving signal, a sixth input signal with a sixth receiving signal, and a seventh input signal with a seventh receiving signal, respectively, to obtain a plurality of first comparison results, and if the input signals and the receiving interference signals are inconsistent in the plurality of first comparison results, obtaining first difference data.
S103: inputting a preset interference signal, the first operation data, the second operation data and the other operation data into the preset environment simulation unit, acquiring the input signal and the received interference signal, sequentially comparing whether the input signal and the corresponding received interference signal are consistent or not, and taking data with inconsistency after sequential comparison as second difference data.
Specifically, on the basis of step S102, an interference signal is input to perform interference detection, a secondary detection result is obtained, the preset environment simulation unit is connected to the preset weather simulation unit, the preset interference signal is obtained according to the preset weather simulation unit, the preset interference signal is input to the preset environment simulation unit, the preset interference signal is received according to the preset carrier signal input unit, the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data and the reception interference signal corresponding to the seventh operation data, and the reception interference signal includes: when seven groups of data of T1, T2, T3, T4, T5, T6 and T7 are input, a plurality of signal interferences are provided for the data by a preset weather simulation unit, and input into A1, A2, A3, A4, A5, A6 and A7 by a preset carrier signal input unit, and signals received and read by the preset carrier signal receiving and reading unit are marked as E1 to E2 to E3 to E4 to E5 to E6 to E7.
And respectively and sequentially comparing the first input signal with the first receiving interference signal, the second input signal with the second receiving interference signal, the third input signal with the third receiving interference signal, the fourth input signal with the fourth receiving interference signal, the fifth input signal with the fifth receiving interference signal, the sixth input signal with the sixth receiving interference signal, and the seventh input signal with the seventh receiving interference signal to obtain various second comparison results, and if the input signal and the receiving interference signal are inconsistent in the various second comparison results, obtaining second difference data. Specifically, fourteen groups of data, A1-E1, A2-E2, A3-E3, A4-E4, A5-E5, A6-E6, A7-E7, A1-E1, A2-E2, A3-E3, A4-E4, A5-E5, A6-E6 and A7-E7, were compared, respectively.
S104: and acquiring the corresponding operation problems in the power line carrier simulation operation test system according to the first difference data and the second difference data.
Specifically, according to the abnormal data detection results obtained in step S102 and step S103, the abnormal problem occurring in the power system is obtained, and corresponding measures are taken to process according to the obtained abnormal problem.
According to the invention, the reduced data is obtained by reducing the proportion of the data to be tested and the actual data for analog simulation, so that incomplete detection caused by single data is avoided, the reduced proportion data is input into a preset environment simulation unit for processing, the reduced proportion data is received and read through a preset carrier signal input unit, whether abnormity exists is judged by comparing the difference of the two signals, an interference signal is further added, secondary detection is carried out, and the accuracy of the test is improved.
Referring to fig. 2, in one embodiment, a power line carrier simulation operation test system is built in Simulink, is used for carrying out analog simulation on the data with reduced scale, the system comprises a preset environment simulation unit and a control terminal, the system comprises a preset environment simulation unit, a control terminal and an amplification unit, wherein the preset environment simulation unit is used for simulating an approximate power grid environment, the control terminal is connected with the preset environment simulation unit, the control terminal is used for controlling the environment simulation unit, the control terminal is used for inputting and adjusting parameters to be tested, the preset environment simulation unit comprises a simulation unit and an amplification unit, the simulation unit consists of a micro power grid module, a change-over switch, a direct-current power supply, an alternating-current power supply and a plurality of numerical value acquisition sensors, the amplification unit is used for amplifying numerical values acquired by the numerical value acquisition sensors of the simulation unit according to a mathematical model, a carrier signal input unit is arranged at one end of the simulation unit, and a carrier signal receiving and reading unit is arranged at the other end of the simulation unit.
The simulation unit is arranged in the weather simulation unit, the weather simulation unit is used for simulating the environment required by the power grid according to the parameters to be tested, the direct current power supply and the alternating current power supply are respectively connected with the change-over switch, the change-over switch is connected with the micro power grid module, and the change-over switch is used for switching the direct current power supply/the alternating current power supply for supplying power to the micro power grid module into the alternating current power supply/the direct current power supply.
The amplifying unit comprises a data input center, a data simulation center, a data operation center, a data analysis center and an intelligent data integration center, wherein the data input center is used for inputting the data of the simulating unit after being amplified into the data simulation center, the data operation center is used for being matched with the data simulation center to perform multi-parameter addition operation on the data, the data analysis center is used for analyzing the data after the simulation operation and outputting the data to the intelligent data integration center, and the intelligent data integration center is used for classifying and outputting the data after the simulation operation into a data table in a table form.
The control terminal is used for controlling the environment simulation unit, inputting parameters to be tested and adjusting the parameters to be tested, after the data to be tested is input to the control terminal, the control terminal performs data reduction corresponding to the environment simulation unit according to the proportion (1:10, 1:100, 1:200 and 1:500) on the input data, inputs primary data for the environment simulation unit and marks a data group as first operation data T1 when the data is reduced to be the maximum operation data according with the environment simulation unit, inputs primary data for the environment simulation unit and marks a data group as second operation data T2 when the data is reduced to be the minimum operation data according with the environment simulation unit, and constructs a first reduction rule according to the first operation data T1 and the second operation data T2 to determine third operation data T3, wherein the first reduction rule is specifically as follows:
T3=T1+(T1-T2)/3;
constructing a second reduction rule according to the first operation data T1 and the second operation data T2, and determining fourth operation data T4, wherein the second reduction rule specifically comprises the following steps:
T4=T1+(T1-T2)×2/3;
constructing a third reduction rule according to the first operation data T1 and the second operation data T2, and determining fifth operation data T5, wherein the third reduction rule specifically comprises the following steps:
T5=T1+(T1-T2)/4;
constructing a fourth reduction rule according to the first operation data T1 and the second operation data T2, and determining sixth operation data T6, wherein the fourth reduction rule specifically comprises the following steps:
T6=T1+(T1-T2)/2;
constructing a fifth reduction rule according to the first operation data T1 and the second operation data T2, and determining seventh operation data T7, wherein the fifth reduction rule specifically comprises the following steps:
T7=T1+(T1-T2)×3/4。
seven groups of data of T1, T2, T3, T4, T5, T6 and T7 are sequentially input into the environment simulation unit, signals are input into the environment simulation unit through the carrier signal input unit, corresponding signals are received and read through the carrier signal receiving and reading unit, signals input by the simulation environment corresponding to seven groups of data of T1, T2, T3, T4, T5, T6 and T7 are sequentially recorded as A1, A2, A3, A4, A5, A6 and A7, and signals received by the simulation environment reading corresponding to seven groups of data of T1, T2, T3, T4, T5, T6 and T7 are sequentially recorded as E1, E2, E3, E4, E5, E6 and E39 7.
Analyzing data, comparing data indicating inconsistency in seven groups of data, namely A1-E1, A2-E2, A3-E3, A4-E4, A5-E5, A6-E6 and A7-E7, comparing differences in simulated approximate grid environment of seven groups of data, namely T1, T2, T3, T4, T5, T6 and T7, and recording the differences.
And respectively and sequentially comparing the first input signal with the first receiving interference signal, the second input signal with the second receiving interference signal, the third input signal with the third receiving interference signal, the fourth input signal with the fourth receiving interference signal, the fifth input signal with the fifth receiving interference signal, the sixth input signal with the sixth receiving interference signal, and the seventh input signal with the seventh receiving interference signal to obtain various second comparison results, and if the input signal and the receiving interference signal are inconsistent in the various second comparison results, obtaining second difference data. Specifically, fourteen groups of data A1-E1, A2-E2, A3-E3, A4-E4, A5-E5, A6-E6, A7-E7, A1-E1, A2-E2, A3-E3, A4-E4, A5-E5, A6-E6 and A7-E7 are compared, respectively.
According to the invention, the difference data of the data can be monitored by a plurality of groups of reduced data during the operation simulation, and then the problem is inquired according to the difference points of the plurality of groups of data, so that some abnormal problems in the simulation process caused by single data simulated by the system are avoided being ignored. In the traditional power carrier wave test method, the direct numerical simulation mode is adopted to carry out simulation calculation on the power carrier wave test method, the problem which is not detected by the traditional simulation method can be found by reducing the numerical value to be tested and carrying out multiple tests, the tested data are easier to be interfered after the data are reduced due to the complex power grid, and the simulation result is closer to the actual use result by adding an interference signal to carry out simulation.
Referring to fig. 3, another embodiment of the present invention provides a power line carrier simulation operation testing apparatus, including:
the data acquisition module 11 is configured to perform reduction processing on data to be tested according to a preset ratio, acquire first operating data and second operating data, construct a reduction rule according to the first operating data and the second operating data, and acquire other operating data except the first operating data and the second operating data with reference to the reduction rule.
And the first comparison module 12 is used for inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent or not, and taking data with inconsistency after sequential comparison as first difference data.
The second comparison module 13 is configured to input a preset interference signal, the first operation data, the second operation data, and the other operation data into the preset environment simulation unit, acquire the input signal and the received interference signal, sequentially compare the input signal and the corresponding received interference signal whether or not, and use data that is inconsistent after being sequentially compared as second difference data.
And the analysis module 14 is configured to obtain a corresponding operation problem in the power line carrier simulation operation test system according to the first difference data and the second difference data.
For specific limitations of the power line carrier simulation operation test device, reference may be made to the above limitations of the power line carrier simulation operation test method, which is not described herein again. All or part of each module in the power line carrier simulation operation testing device can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (6)

1. A power line carrier simulation operation test method is characterized by comprising the following steps:
carrying out reduction processing on data to be tested according to a preset proportion to obtain first operation data and second operation data, constructing a reduction rule according to the first operation data and the second operation data, and obtaining other operation data except the first operation data and the second operation data by referring to the reduction rule;
inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent or not, and taking data with inconsistency after sequential comparison as first difference data;
inputting a preset interference signal, the first operation data, the second operation data and the other operation data into the preset environment simulation unit, acquiring the input signal and a received interference signal, sequentially comparing whether the input signal and the corresponding received interference signal are consistent, and taking data which is inconsistent after sequential comparison as second difference data;
acquiring a corresponding operation problem in the power line carrier simulation operation test system according to the first difference data and the second difference data;
the method for reducing the data to be tested according to the preset proportion to obtain the first operating data and the second operating data comprises the following steps:
carrying out reduction processing on the data to be tested according to a preset proportion to obtain reduced data;
determining the preset maximum operation data of the environment simulation unit according to the reduced data, and taking the maximum operation data as the first operation data;
determining the preset minimum operation data of the environment simulation unit according to the reduced data, and taking the minimum operation data as the second operation data;
the obtaining of the other operation data except the first operation data and the second operation data with reference to the reduction rule includes:
the other operation data includes third operation data T3, fourth operation data T4, fifth operation data T5, sixth operation data T6, and seventh operation data T7, and the reduction rules include first, second, third, fourth, and fifth reduction rules;
constructing the first reduction rule according to the first operating data T1 and the second operating data T2, and determining the third operating data T3, where the first reduction rule specifically is:
T3=T1+(T1-T2)/3;
constructing the second reduction rule according to the first operation data T1 and the second operation data T2, and determining the fourth operation data T4, where the second reduction rule specifically is:
T4=T1+(T1-T2)×2/3;
constructing the third reduction rule according to the first operation data T1 and the second operation data T2, and determining the fifth operation data T5, where the third reduction rule specifically is:
T5=T1+(T1-T2)/4;
constructing the fourth reduction rule according to the first operation data T1 and the second operation data T2, and determining the sixth operation data T6, where the fourth reduction rule specifically is:
T6=T1+(T1-T2)/2;
constructing the fifth reduction rule according to the first operating data T1 and the second operating data T2, and determining the seventh operating data T7, where the fifth reduction rule specifically is:
T7=T1+(T1-T2)×3/4。
2. the method for testing the simulation operation of the power line carrier according to claim 1, wherein the step of inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent, and using data with inconsistency after sequential comparison as first difference data comprises:
the preset environment simulation unit is connected with a preset carrier signal input unit, and the preset carrier signal input unit is used for receiving and reading a signal corresponding to the preset environment simulation unit;
reading the input signals corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data and the seventh operation data according to the preset carrier signal input unit, where the input signals include: a first input signal, a second input signal, a third input signal, a fourth input signal, a fifth input signal, a sixth input signal, and a seventh input signal;
receiving, by the preset carrier signal input unit, the received signal corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received signal includes: a first received signal, a second received signal, a third received signal, a fourth received signal, a fifth received signal, a sixth received signal, and a seventh received signal;
comparing the first input signal with the first receiving signal, the second input signal with the second receiving signal, the third input signal with the third receiving signal, the fourth input signal with the fourth receiving signal, the fifth input signal with the fifth receiving signal, the sixth input signal with the sixth receiving signal, and the seventh input signal with the seventh receiving signal in sequence, respectively, to obtain a plurality of first comparison results, and if there is an inconsistency between the input signal and the receiving interference signal in the plurality of first comparison results, obtaining inconsistent data in the plurality of first comparison results to determine the first difference data.
3. The method for testing the carrier simulation operation of the power line according to claim 2, wherein the step of inputting a preset interference signal, the first operation data, the second operation data and the other operation data into the preset environment simulation unit, acquiring the input signal and a received interference signal, sequentially comparing whether the input signal and the corresponding received interference signal are consistent, and using data which is inconsistent after sequential comparison as second difference data comprises:
the preset environment simulation unit is connected with a preset weather simulation unit, acquires the preset interference signal according to the preset weather simulation unit, and inputs the preset interference signal into the preset environment simulation unit;
receiving, according to the preset carrier signal input unit, the received interference signal corresponding to the preset interference signal, the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received interference signal includes: a first receiving interference signal, a second receiving interference signal, a third receiving interference signal, a fourth receiving interference signal, a fifth receiving interference signal, a sixth receiving interference signal, and a seventh receiving interference signal;
comparing the first input signal with the first received interference signal, the second input signal with the second received interference signal, the third input signal with the third received interference signal, the fourth input signal with the fourth received interference signal, the fifth input signal with the fifth received interference signal, the sixth input signal with the sixth received interference signal, and the seventh input signal with the seventh received interference signal in sequence, respectively, to obtain a plurality of second comparison results, and if there is inconsistency between the input signal and the received interference signal in the plurality of second comparison results, obtaining inconsistent data in the plurality of second comparison results to determine the second difference data.
4. A power line carrier simulation operation test device is characterized by comprising:
the data acquisition module is used for carrying out reduction processing on data to be tested according to a preset proportion to acquire first operating data and second operating data, constructing a reduction rule according to the first operating data and the second operating data, and acquiring other operating data except the first operating data and the second operating data according to the reduction rule; the method for reducing the data to be tested according to the preset proportion to obtain the first operating data and the second operating data comprises the following steps: carrying out reduction processing on the data to be tested according to a preset proportion to obtain reduced data; determining the preset maximum operation data of the environment simulation unit according to the reduced data, and taking the maximum operation data as the first operation data; determining the preset minimum operation data of the environment simulation unit according to the reduced data, and taking the minimum operation data as the second operation data; the obtaining of the other operation data except the first operation data and the second operation data by referring to the reduction rule includes: the other operation data includes third operation data T3, fourth operation data T4, fifth operation data T5, sixth operation data T6, and seventh operation data T7, and the reduction rules include first, second, third, fourth, and fifth reduction rules; constructing the first reduction rule according to the first operating data T1 and the second operating data T2, and determining the third operating data T3, where the first reduction rule specifically is:
T3=T1+(T1-T2)/3;
constructing the second reduction rule according to the first operation data T1 and the second operation data T2, and determining the fourth operation data T4, where the second reduction rule specifically is: t4 ═ T1+ (T1-T2) x 2/3;
constructing the third reduction rule according to the first operating data T1 and the second operating data T2, and determining the fifth operating data T5, where the third reduction rule specifically is: t5 ═ T1+ (T1-T2)/4;
constructing the fourth reduction rule according to the first operation data T1 and the second operation data T2, and determining the sixth operation data T6, where the fourth reduction rule specifically is: t6 ═ T1+ (T1-T2)/2;
constructing the fifth reduction rule according to the first operation data T1 and the second operation data T2, and determining the seventh operation data T7, where the fifth reduction rule specifically is: t7 ═ T1+ (T1-T2) x 3/4;
the first comparison module is used for inputting the first operation data, the second operation data and the other operation data into a preset environment simulation unit, sequentially acquiring input signals and received signals corresponding to the first operation data, the second operation data and the other operation data, sequentially comparing whether the input signals and the corresponding received signals are consistent or not, and taking data with inconsistency after sequential comparison as first difference data;
a second comparison module, configured to input a preset interference signal, the first operation data, the second operation data, and the other operation data into the preset environment simulation unit, acquire the input signal and a received interference signal, sequentially compare whether the input signal and the corresponding received interference signal are consistent, and use data that is inconsistent after sequential comparison as second difference data;
and the analysis module is used for acquiring the corresponding operation problems in the power line carrier simulation operation test system according to the first difference data and the second difference data.
5. The power line carrier simulation operation testing device according to claim 4, wherein the first comparing module is further configured to:
the preset environment simulation unit is connected with a preset carrier signal input unit, and the preset carrier signal input unit is used for receiving and reading a signal corresponding to the preset environment simulation unit;
reading the input signals corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data and the seventh operation data according to the preset carrier signal input unit, where the input signals include: a first input signal, a second input signal, a third input signal, a fourth input signal, a fifth input signal, a sixth input signal, and a seventh input signal;
receiving, by the preset carrier signal input unit, the received signal corresponding to the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received signal includes: a first received signal, a second received signal, a third received signal, a fourth received signal, a fifth received signal, a sixth received signal, and a seventh received signal;
comparing the first input signal with the first receiving signal, the second input signal with the second receiving signal, the third input signal with the third receiving signal, the fourth input signal with the fourth receiving signal, the fifth input signal with the fifth receiving signal, the sixth input signal with the sixth receiving signal, and the seventh input signal with the seventh receiving signal in sequence, respectively, to obtain a plurality of first comparison results, and if there is an inconsistency between the input signal and the receiving interference signal in the plurality of first comparison results, obtaining inconsistent data in the plurality of first comparison results to determine the first difference data.
6. The power line carrier simulation operation testing device according to claim 5, wherein the second comparison module is further configured to:
the preset environment simulation unit is connected with a preset weather simulation unit, acquires the preset interference signal according to the preset weather simulation unit, and inputs the preset interference signal into the preset environment simulation unit;
receiving, according to the preset carrier signal input unit, the received interference signal corresponding to the preset interference signal, the first operation data, the second operation data, the third operation data, the fourth operation data, the fifth operation data, the sixth operation data, and the seventh operation data, where the received interference signal includes: a first received interference signal, a second received interference signal, a third received interference signal, a fourth received interference signal, a fifth received interference signal, a sixth received interference signal, and a seventh received interference signal;
comparing the first input signal with the first received interference signal, the second input signal with the second received interference signal, the third input signal with the third received interference signal, the fourth input signal with the fourth received interference signal, the fifth input signal with the fifth received interference signal, the sixth input signal with the sixth received interference signal, and the seventh input signal with the seventh received interference signal in sequence, respectively, to obtain a plurality of second comparison results, and if there is inconsistency between the input signal and the received interference signal in the plurality of second comparison results, obtaining inconsistent data in the plurality of second comparison results to determine the second difference data.
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