CN111060151A - Power grid data processing method and device - Google Patents
Power grid data processing method and device Download PDFInfo
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- CN111060151A CN111060151A CN201911235865.5A CN201911235865A CN111060151A CN 111060151 A CN111060151 A CN 111060151A CN 201911235865 A CN201911235865 A CN 201911235865A CN 111060151 A CN111060151 A CN 111060151A
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Abstract
The invention discloses a power grid data processing method and device. Wherein, the method comprises the following steps: acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; and repeatedly executing the steps in the preset checking period until the preset checking period is ended. The invention solves the technical problems of lower accuracy of the inspection result and low data processing efficiency caused by inspection judgment of the power grid equipment according to manual experience and manual processing of the power grid data in the prior art.
Description
Technical Field
The invention relates to the technical field of power grids, in particular to a power grid data processing method and device.
Background
The supervision aiming at the performance technology of the power grid equipment is one of important means for ensuring the safe, reliable, economic and stable operation of the power grid, and is also an important basic work for the management of the power grid production technology.
The existing method mostly carries out inspection and judgment on the power grid equipment according to manual experience and processes power grid data manually, so that the method has high subjectivity and detection results of different people may have deviation. In addition, the detection standards of the device performance are different according to different external detection environments. The detection of the operational performance of the device requires consideration of various factors.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a power grid data processing method and device, and at least solves the technical problems that in the prior art, power grid equipment is inspected and judged according to manual experience, and power grid data are processed manually, so that the accuracy of an inspection result is low, and the data processing efficiency is low.
According to an aspect of an embodiment of the present invention, there is provided a power grid data processing method, including: acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; and repeatedly executing the steps in the preset checking period until the preset checking period is ended.
Further, updating the inspection request according to the inspection result to obtain an updated inspection request, including: processing the inspection result to obtain a processing result; and updating the inspection request according to the processing result to obtain the updated inspection request.
Further, the processing result obtained by processing the inspection result includes: obtaining a test result after the reduction treatment by carrying out the reduction treatment on the test result; and outputting the inspection result after the reduction processing.
Further, updating the inspection request according to the processing result to obtain the updated inspection request includes: detecting whether the inspection result after the reduction processing meets the requirement of a preset detection result; and if the inspection result after the reduction processing does not meet the preset inspection result requirement, updating the inspection requirement to obtain the updated inspection requirement.
Further, the power grid equipment to be checked comprises at least one of the following components: the system comprises an electric energy meter, a voltage transformer, a current transformer and a secondary circuit.
Further, under the condition that the above-mentioned electric wire netting equipment of waiting to examine is the electric energy meter, obtain the performance requirement and the inspection requirement that correspond with the electric wire netting equipment of waiting to examine, include: acquiring a performance requirement and a test requirement corresponding to the electric energy meter, wherein the performance requirement corresponding to the electric energy meter comprises at least one of the following: the method comprises the following steps of (1) working error requirements, counter electric energy indicating value combination error requirements and clock indicating value deviation requirements; the test requirements corresponding to the electric energy meter include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
Further, in the case that the power grid device to be inspected is an electric energy meter, the inspection performed on the electric energy meter includes at least one of: the method comprises the steps of appearance inspection, wiring inspection, inspection of measurement errors and unreasonable measurement modes, work error test, electric energy indication value combination error test of a counter, clock indication value deviation test, communication interface inspection and function inspection.
Further, under the above-mentioned condition that waits to inspect the electric wire netting equipment for voltage transformer, obtain the performance requirement and the inspection requirement that correspond with waiting to inspect the electric wire netting equipment, include: acquiring performance requirements and inspection requirements corresponding to the voltage transformer, wherein the performance requirements corresponding to the voltage transformer comprise at least one of the following: insulation requirements, basic error requirements, stability requirements; the inspection requirements corresponding to the above-mentioned voltage transformer include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
Further, in the case that the power grid device to be inspected is a voltage transformer, the inspection performed on the voltage transformer includes at least one of the following: appearance inspection, insulation test, polarity inspection of the winding, basic error measurement, error measurement of the metering winding under secondary actual load, and stability inspection.
Further, under the above-mentioned condition that waits to inspect the electric wire netting equipment for current transformer, obtain the performance requirement and the inspection requirement that correspond with waiting to inspect the electric wire netting equipment, include: acquiring a performance requirement and a checking requirement corresponding to the current transformer, wherein the performance requirement corresponding to the current transformer comprises at least one of the following: insulation requirements, basic error requirements, stability requirements; the inspection requirements corresponding to the current transformer include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
Further, in the case that the power grid device to be inspected is a current transformer, the inspection performed on the current transformer includes at least one of: appearance inspection, insulation resistance measurement, polarity inspection of windings, basic error measurement, error measurement under secondary actual load, and stability inspection.
Further, under the condition that the above-mentioned electric wire netting equipment of waiting to examine is secondary circuit, obtain the performance requirement and the inspection requirement that correspond with electric wire netting equipment of waiting to examine, include: acquiring a performance requirement and a checking requirement corresponding to the secondary loop, wherein the performance requirement corresponding to the secondary loop comprises at least one of the following: voltage reduction of a secondary circuit of the voltage transformer and secondary actual load of the voltage transformer; the inspection requirements corresponding to the secondary loop include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
Further, in the case that the power grid device to be inspected is a secondary circuit, the inspection performed on the secondary circuit includes at least one of: voltage transformer secondary circuit step-down measurement, voltage transformer secondary actual load measurement and current transformer secondary actual load measurement.
According to another aspect of the embodiments of the present invention, there is also provided a power grid data processing apparatus, including: the system comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for acquiring performance requirements and detection requirements corresponding to the to-be-detected power grid equipment; the inspection module is used for inspecting the to-be-inspected power grid equipment according to the performance requirements and the inspection requirements and obtaining an inspection result; the updating module is used for updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; and the execution module is used for repeatedly executing the steps in a preset check period until the preset check period is finished.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium, where the storage medium includes a stored program, and when the program runs, the apparatus on which the storage medium is located is controlled to execute any one of the above-mentioned grid data processing methods.
According to another aspect of the embodiments of the present invention, there is also provided a processor, where the processor is configured to execute a program, where the program executes any one of the above-mentioned grid data processing methods.
In the embodiment of the invention, the performance requirement and the inspection requirement corresponding to the electric network equipment to be inspected are obtained; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; the steps are repeatedly executed in the preset inspection period until the preset inspection period is finished, so that the purposes of improving the accuracy of inspection of the power grid equipment and improving the data processing efficiency are achieved, the technical effects of quality supervision management and operation quality monitoring of the power grid equipment are effectively achieved, and the technical problems that in the prior art, the power grid equipment is inspected and judged according to manual experience, and the power grid data are manually processed, so that the accuracy of an inspection result is low and the data processing efficiency is low are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flow chart of a method for processing grid data according to an embodiment of the present invention;
FIG. 2 is a flow diagram of an alternative grid data processing method according to an embodiment of the present invention;
FIG. 3 is a flow diagram of an alternative grid data processing method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a power grid data processing device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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 noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided an embodiment of a grid data processing method, it should be noted that the steps shown in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that here.
Fig. 1 is a flowchart of a power grid data processing method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment;
step S104, inspecting the to-be-inspected power grid equipment according to the performance requirements and the inspection requirements to obtain an inspection result;
step S106, updating the inspection requirement according to the inspection result to obtain an updated inspection requirement;
step S108, the steps are repeatedly executed in a preset checking period until the preset checking period is finished.
In the embodiment of the invention, the performance requirement and the inspection requirement corresponding to the electric network equipment to be inspected are obtained; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; the steps are repeatedly executed in the preset inspection period until the preset inspection period is finished, so that the purposes of improving the accuracy of inspection of the power grid equipment and improving the data processing efficiency are achieved, the technical effects of quality supervision management and operation quality monitoring of the power grid equipment are effectively achieved, and the technical problems that in the prior art, the power grid equipment is inspected and judged according to manual experience, and the power grid data are manually processed, so that the accuracy of an inspection result is low and the data processing efficiency is low are solved.
In an alternative embodiment, the above-mentioned electric network equipment to be inspected comprises at least one of: the system comprises an electric energy meter, a voltage transformer, a current transformer and a secondary circuit.
In step S108, the above steps are repeatedly executed in a predetermined checking period, that is, steps S102 to S106 are repeatedly executed in the predetermined checking period until the predetermined checking period is finished.
In an alternative embodiment, fig. 2 is a flowchart of an alternative power grid data processing method according to an embodiment of the present invention, and as shown in fig. 2, updating the inspection request according to the inspection result to obtain an updated inspection request includes:
step S202, processing the inspection result to obtain a processing result;
step S204, updating the inspection request according to the processing result to obtain the updated inspection request.
In the embodiment of the present application, the inspection result after the reduction processing is obtained by performing the reduction processing on the inspection result, and the inspection result after the reduction processing is output. And detecting whether the inspection result after the reduction processing meets the requirement of a preset detection result; and if the check result after the reduction processing does not meet the preset check result requirement, updating the check requirement to obtain the updated check requirement.
In an alternative embodiment, fig. 3 is a flowchart of an alternative power grid data processing method according to an embodiment of the present invention, and as shown in fig. 3, the processing result obtained by processing the inspection result includes:
step S302, carrying out reduction processing on the inspection result to obtain an inspection result after the reduction processing;
and step S304, outputting the inspection result after the reduction processing.
In an alternative embodiment, as also shown in fig. 3, after outputting the reduction-processed inspection result, updating the inspection request according to the processing result to obtain the updated inspection request includes:
step S306, detecting whether the inspection result after the reduction processing meets the requirement of a preset detection result;
step S308, if the inspection result after the reduction processing does not meet the predetermined inspection result requirement, updating the inspection requirement to obtain the updated inspection requirement.
In an optional embodiment, in a case that the power grid device to be inspected is an electric energy meter, acquiring a performance requirement and an inspection requirement corresponding to the power grid device to be inspected, includes:
step S502, acquiring a performance requirement and a check requirement corresponding to the electric energy meter, wherein the performance requirement corresponding to the electric energy meter comprises at least one of the following: the method comprises the following steps of (1) working error requirements, counter electric energy indicating value combination error requirements and clock indicating value deviation requirements; the test requirements corresponding to the electric energy meter include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
In an optional embodiment, in the case that the power grid device to be checked is an electric energy meter, the checking of the electric energy meter includes at least one of: the method comprises the steps of appearance inspection, wiring inspection, inspection of measurement errors and unreasonable measurement modes, work error test, electric energy indication value combination error test of a counter, clock indication value deviation test, communication interface inspection and function inspection.
Optionally, the working error of the electric energy meter may be expressed by using a relative error, the working error of the electric energy meter should meet the specification of the following table 1, and the power factor in the table is not given value and is obtained by an interpolation method, wherein, under a special environment temperature (-25 ℃ to l0 ℃ or 45 ℃ to T is less than or equal to 60 ℃), the influence of the change of the environment temperature is considered, the working error limit is added with a correction value, and the correction value e is calculated according to the following formula (1):
e＝P×|ΔT|×100％ (1)
in the above formula (1):
p is the temperature coefficient,%/K of the electric energy meter; and the delta T is an ambient temperature deviation value, the delta T is the difference between the current ambient temperature and 45 ℃ at high temperature, and the delta T is the difference between the current ambient temperature and-10 ℃ at low temperature.
Working error of electric energy meter 1
IbIs the basic current: i ismaxIs the maximum current; i isnThe rated current of the electric energy meter connected through the current transformer is the same as the secondary rated current of the current transformer; maximum current I of electric energy meter connected through current transformermaxRated extension current (1.2I) of secondary of mutual inductorn，1.5InOr 2In) The same is true. Corner
The phase difference between the phase voltage and the phase current of the star-shaped load branch circuit is obtained; l is an inductive load and C is a capacitive load. For 0.2SC、0.5SCThe level meter is only suitable for the electric energy meter accessed through the mutual inductor. Wide load electric energy meter (I) connected through mutual inductormax≥4Ib) [ e.g. 3X1.5(6) A)]The metering properties thereof are still according to IbAnd (4) determining.
The electric energy indicating value combination error of the counter comprises the following steps: electromechanical counters, electronic counters, clock indication deviations. Electromechanical counter: when reading the electric energy indication value of the electromechanical counter, the effective number is obtained after half-digit reading.
|WD-(WD1+WD2+…+WDn)|≤2(n-1)×10-(α+1)(2)
In the above formula (2): wDThe electric energy of the current electromechanical total electric energy counter, kWh; wD1，WD2，…，WDnThe electric energy of the electromechanical counter corresponding to each current rate time interval, kWh, n is the rate number, α is the decimal place number of the electromechanical total electric energy counter, the combined error of the electric energy indication value of the electromechanical counter meets the regulation of the formula (2), an electronic counter:
|WD-(WD1+WD2+…+WDn)|≤(n-1)×10-β(3)
in the above formula (3): wDThe electric energy of the current electronic display total electric energy counter, kWh; wD1，WD2，…，WDnThe electric energy of the counter corresponding to each rate time interval of the current electronic display, kWh, n rate number, β electronic display the decimal place number of the total electric energy counter, the combination error of the electric energy indication value of the electronic counter should accord with the regulation of the formula (3), and the clock indication value deviation of the electric energy meter with the clock function should not exceed 1 Omin.
In an alternative embodiment, the following conditions are satisfied during field testing of the electric energy meter:
a) ambient temperature: -10 ℃ to 45 ℃;
b) the relative humidity is less than or equal to 90 percent;
c) atmospheric pressure 63kPa-106kPa (altitude 4000m and below);
d) no uncleanable obstacle influencing inspection exists in the workplace;
e) no serious potential safety hazard exists in a workplace;
f) the deviation of the voltage from the rated voltage should not exceed +/-10%;
g) the deviation of the frequency from the nominal value should not exceed ± 5%;
h) the waveform distortion degree of the voltage and the current is less than or equal to 5 percent;
i) the load current of each phase is not lower than 10 percent of the basic current of the detected electric energy meter (5 percent for the S-grade electric energy meter);
j) the load has no obvious fluctuation;
k) no perceptible vibration or shock;
l) the seal is complete;
m) the terminal box of the electric energy meter or the joint test junction box has no serious damage which affects the wiring;
and n) electrifying and preheating the electric energy meter field tester according to the time required by the equipment.
In an alternative embodiment, the field test device should satisfy the following requirements:
a) the accuracy grade of the field tester of the electric energy meter meets the regulation of the following table 2, and a current loop is directly connected when the 0.2S and 0.5S grade electric energy meters are tested;
b) the electric energy meter field tester should conform to the regulations of GB/T17215.701-2011 and DL/T826-2002:
c) the adjusting mechanism of the photoelectric sampler, the influence of light adjustment and ambient light illumination on the photoelectric sampler and the like are in accordance with the regulation of chapter 5 in DL/T732-2000;
d) the electric energy meter field tester should have measures of dust prevention, moisture prevention and shock prevention in transportation and storage:
e) the connecting lead between the field tester and the test terminal of the electric energy meter has good insulation, so that the connection is ensured to be reliable and the loosening in work is prevented; obvious polarity and phase marks are needed to prevent secondary short circuit of the voltage transformer and secondary open circuit of the current transformer, so that the safety of people and equipment is ensured.
In addition, an optional field test item for the electric energy meter is shown in table 3 below.
TABLE 2 accuracy class requirement of field tester for electric energy meters
| Accuracy grade of electric energy meter to be tested | 0.2S | 0.5S | 1 | 2 |
| Accuracy grade of electric energy meter field tester | 0.05 | 0.1 | 0.1 | 0.2 |
| Electric energy meter field tester (including current clamp) accuracy grade | - | - | 0.3 | 0,3 |
Table 3 list of field test items of electric energy meter
In an alternative embodiment, when the electric energy meter is subjected to appearance inspection, if the electric energy meter has one of the following defects as a result of the inspection, the electric energy meter is judged to have a disqualified appearance:
a) the nameplate is incomplete, the handwriting is unclear or cannot be distinguished; b) the liquid crystal or digital display lacks strokes, breaks codes or does not display, and the indicator light does not accord with the running state; c) the number on the character wheel counter is about 1/5 high covered by the character window (except the last character wheel and the character wheel in the carry); d) the watch case damages the cup, the window is fuzzy, not firm, broken; e) the key is out of order; f) the wiring terminal is damaged; g) the grounding part is rusted or painted; h) the seal is incomplete.
And (3) checking the wiring: the secondary wiring correctness of the transformer for the electric energy meter and the view meter in operation can be checked by adopting a phase diagram method generally, and also can adopt a phase meter method, a moment method and the like. The check is to be carried out at the terminals of the electric energy meter. The made phasor diagram is compared with the actual load current and power factor, and whether the wiring loop of the electric energy meter is correct or not is determined based on the load property (capacitive or inductive) analysis. If the error exists, the phasor diagram is corrected on the measurement meter according to the analysis result and then is made again. If the actual condition of the wrong wiring cannot be determined, the power failure check is required.
In the embodiment of the present application, checking for metering errors and unreasonable metering modes includes: metering error checking and unreasonable metering mode checking. Wherein, the measurement error check: in performing field checks, the following metering errors should be checked:
a) fusing of a fuse of the voltage transformer or poor contact of a secondary circuit.
c) The secondary circuit of the current transformer is poor in contact or open-circuited.
d) The voltage phase sequence is reversed.
e) The current loop polarity is incorrect.
The metering multiplying power of the electric energy meter is calculated according to the formula (4):
in the above formula (4): kL、KYThe transformation ratio of a current transformer and a voltage transformer for metering which are connected with an electric energy meter; k'L、K′YThe transformation ratio of the current transformer and the voltage transformer marked on the nameplate of the electric energy meter is as follows: kNThe multiplying power marked on the nameplate of the electric energy meter is 1.
As an alternative embodiment, the following unreasonable measures should be checked for unreasonable measures, i.e. during field inspection:
a) the current watt-hour sensor has an excessive transformation ratio, so that the current transformer is often operated below 20% (5% for class S current transformers) rated current.
b) The electric energy meter is connected to the non-metering secondary winding of the current transformer.
c) The voltage and current mutual inductors are respectively connected with different sides of the power transformer.
d) And the voltage loop of the electric energy meter is not connected to the secondary of the corresponding bus voltage transformer.
e) The inductive reactive electric energy meter without the reversing meter and the inductive active electric energy meter with the bidirectional metering have no backstop.
In the embodiment of the application, the working error test comprises a test method and requirements, a principle of calculating the pulse number, displaying the decimal number of the error of the detected electric energy meter and the repeated measurement times, and the working error test adopts a standard electric energy meter method. When the field load power factor is lower than 0.5, the testing of the working error of the active electric energy is not suitable. For checking reactive measurement points, when
When the working error is less than 0.5, the testing of the working error of the reactive power is not suitable. The working error of the running electric energy meter under the actual load is in accordance with the requirement of the meter 1.
In an alternative embodiment, the number of pulses and the number of decimal places that indicate the error of the power meter being tested are calculated: the calculated pulse number of the electromechanical electric energy meter field tester refers to the requirement of 5.2.4.5b) in JJJG 307-2006. The pulse number of the electronic electric energy meter field tester is calculated according to the formula (5).
In the above formula (5):
m0the pulse number is calculated (or preset) for the electric energy meter field tester;
n is the pulse number of the detected electric energy meter;
C0is the (pulse) meter constant of the electric energy meter field tester, imp/kWh;
CLthe (pulse) meter constant of the detected electric energy meter is imp/kWh.
In an alternative embodiment, the number of pulses of the meter under test may be suitably selected such that the calculated (or preset) number of pulses and the measured number of pulses of the meter field tester are not less than the specification of table 4:
TABLE 4 CALCULATING (OR PRESETTING) PULSE NUMBER AND DISPLAYING ERROR OF DETECTED ELECTRIC ENERGY METER
| Accuracy grade of electric energy meter field tester | Grade 0.05 | Level 0.1 | Grade 0.2 | Grade 0.3 |
| Counting (or presetting) the number of pulses | 50000 | 20000 | 10000 | 6000 |
| Decimal digit for displaying error of detected electric energy meter | 3 position | 2 position | 2 position | 2 position |
In the embodiment of the present application, the principle of the number of repeated measurements should also be followed: for example, error measurement data should be recorded at least twice, and the arithmetic mean value thereof is taken as the measured error value. If the pulse number of the detected electric energy meter can not be correctly collected, the measured data is discarded. And if the measured error value is equal to 80% -120% of the allowable working error limit of the detected electric energy meter, performing two times of measurement, and taking the average value of the two times of measurement and the previous two times of measurement data as the last measured error value.
And (3) electric energy indication value combination error test of a counter: reading the electric energy indicating values of the total electric energy counter and the counter corresponding to each rate time period at the same moment, and calculating the electric energy indicating value combination error of the counter according to the formula (2) or the formula (3). Clock indication deviation test: the clock indication deviation test should be performed as specified in 6.5 of DL/T1478-2015. Checking a communication interface: the communication interface check should be performed as specified by 6.6 in DL/T1478-2015. And (4) checking functions: the functional checks should be performed as specified by 6.7 in DUTs 1478-2015.
As an alternative embodiment, the processing of the inspection result includes measurement data reduction and detection result output, wherein the measurement data reduction: the working error measurement data was reduced according to the corresponding rating of table 5.
Working error data reduction interval of electric energy meter 5
| Grade of accuracy of detected electric energy meter | 0.2S | 0.5S | 1 | 2 | 3 |
| Reduction interval (%) | 0.02 | 0.05 | 0.1 | 0,2 | 0.2 |
Optionally, the electric energy indicating value combination error of the counter should be reserved to the least significant bit of the counter, and the clock indicating value deviation trimming interval is 1 s. And judging whether the measurement data meet the requirements, wherein the result after the reduction is uniformly taken as the standard.
And (3) outputting a detection result: and (5) after the inspection is finished, applying seal by an inspection unit, issuing an inspection conclusion, and pasting an inspection identifier or issuing an inspection report according to needs. The verification period should comply with the relevant provisions of DL/T448.
In an optional embodiment, in a case that the power grid device to be inspected is a voltage transformer, acquiring a performance requirement and an inspection requirement corresponding to the power grid device to be inspected, includes:
step S602, obtaining a performance requirement and a checking requirement corresponding to the voltage transformer, where the performance requirement corresponding to the voltage transformer includes at least one of the following: insulation requirements, basic error requirements, stability requirements; the inspection requirements corresponding to the above-mentioned voltage transformer include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
In an alternative embodiment, in the case that the power grid device to be inspected is a voltage transformer, the inspection of the voltage transformer includes at least one of: appearance inspection, insulation test, polarity inspection of the winding, basic error measurement, error measurement of the metering winding under secondary actual load, and stability inspection.
In an optional embodiment, in a case that the power grid device to be inspected is a current transformer, acquiring a performance requirement and an inspection requirement corresponding to the power grid device to be inspected, includes:
step S702, obtaining a performance requirement and a checking requirement corresponding to the current transformer, where the performance requirement corresponding to the current transformer includes at least one of the following: insulation requirements, basic error requirements, stability requirements; the inspection requirements corresponding to the current transformer include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
In an alternative embodiment, in the case that the power grid device to be inspected is a current transformer, the inspection of the current transformer includes at least one of: appearance inspection, insulation resistance measurement, polarity inspection of windings, basic error measurement, error measurement under secondary actual load, and stability inspection.
In an optional embodiment, in a case that the power grid device to be inspected is a secondary loop, acquiring performance requirements and inspection requirements corresponding to the power grid device to be inspected includes:
step S802, obtaining a performance requirement and a checking requirement corresponding to the secondary loop, where the performance requirement corresponding to the secondary loop includes at least one of the following: voltage reduction of a secondary circuit of the voltage transformer and secondary actual load of the voltage transformer; the inspection requirements corresponding to the secondary loop include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
In an optional embodiment, in the case that the power grid device to be inspected is a secondary circuit, the inspection performed on the secondary circuit includes at least one of: voltage transformer secondary circuit step-down measurement, voltage transformer secondary actual load measurement and current transformer secondary actual load measurement.
It should be noted that, when the power grid equipment to be inspected is any one of a voltage transformer, a current transformer and a secondary circuit, the corresponding inspection conditions, inspection requirements, inspection items and the like may be, but are not limited to, the same as those when the power grid equipment to be inspected is an electric energy meter.
Example 2
According to an embodiment of the present invention, an embodiment of an apparatus for implementing the foregoing power grid data processing method is further provided, and fig. 4 is a schematic structural diagram of a power grid data processing apparatus according to an embodiment of the present invention, as shown in fig. 4, the foregoing power grid data processing apparatus includes: an acquisition module 40, a verification module 42, an update module 44, and an execution module 46, wherein:
an obtaining module 40, configured to obtain performance requirements and inspection requirements corresponding to the power grid equipment to be inspected; the inspection module 42 is used for inspecting the to-be-inspected power grid equipment according to the performance requirements and the inspection requirements and obtaining an inspection result; an updating module 44, configured to update the inspection request according to the inspection result to obtain an updated inspection request; and an executing module 46, configured to repeatedly execute the above steps within a predetermined checking period until the predetermined checking period is ended.
It should be noted that the above modules may be implemented by software or hardware, for example, for the latter, the following may be implemented: the modules can be located in the same processor; alternatively, the modules may be located in different processors in any combination.
It should be noted here that the acquiring module 40, the verifying module 42, the updating module 44 and the executing module 46 correspond to steps S102 to S108 in embodiment 1, and the modules are the same as the corresponding steps in the implementation example and the application scenario, but are not limited to the disclosure in embodiment 1. It should be noted that the modules described above may be implemented in a computer terminal as part of an apparatus.
It should be noted that, reference may be made to the relevant description in embodiment 1 for alternative or preferred embodiments of this embodiment, and details are not described here again.
The above-mentioned grid data processing device may further include a processor and a memory, and the above-mentioned obtaining module 40, the checking module 42, the updating module 44, the executing module 46, and the like are all stored in the memory as program units, and the processor executes the above-mentioned program units stored in the memory to implement corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory, wherein one or more than one kernel can be arranged. The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to the embodiment of the application, the embodiment of the storage medium is also provided. Optionally, in this embodiment, the storage medium includes a stored program, and when the program runs, the device on which the storage medium is located is controlled to execute any one of the foregoing power grid data processing methods.
Optionally, in this embodiment, the storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals, and the storage medium includes a stored program.
Optionally, the program controls the device on which the storage medium is located to perform the following functions when running: acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; and repeatedly executing the steps in the preset checking period until the preset checking period is ended.
According to the embodiment of the application, the embodiment of the processor is also provided. Optionally, in this embodiment, the processor is configured to execute a program, where the program executes any one of the grid data processing methods.
The embodiment of the application provides equipment, the equipment comprises a processor, a memory and a program which is stored on the memory and can run on the processor, and the following steps are realized when the processor executes the program: acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; and repeatedly executing the steps in the preset checking period until the preset checking period is ended.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment; according to the performance requirement and the inspection requirement, inspecting the to-be-inspected power grid equipment and obtaining an inspection result; updating the inspection requirement according to the inspection result to obtain an updated inspection requirement; and repeatedly executing the steps in the preset checking period until the preset checking period is ended.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (16)
1. A power grid data processing method is characterized by comprising the following steps:
acquiring performance requirements and inspection requirements corresponding to the to-be-inspected power grid equipment;
according to the performance requirement and the inspection requirement, inspecting the power grid equipment to be inspected to obtain an inspection result;
updating the inspection requirement according to the inspection result to obtain an updated inspection requirement;
the above steps are repeatedly executed in a predetermined verification period until the predetermined verification period is finished.
2. The method of claim 1, wherein updating the inspection request according to the inspection result to obtain an updated inspection request comprises:
processing the inspection result to obtain a processing result;
and updating the inspection requirement according to the processing result to obtain the updated inspection requirement.
3. The method of claim 2, wherein obtaining a processing result by processing the inspection result comprises:
obtaining a test result after the reduction treatment by carrying out the reduction treatment on the test result;
and outputting the inspection result after the reduction processing.
4. The method of claim 3, wherein updating the inspection request according to the processing result to obtain the updated inspection request comprises:
detecting whether the inspection result after the reduction processing meets the requirement of a preset detection result;
and if the inspection result after the reduction processing does not meet the preset inspection result requirement, updating the inspection requirement to obtain the updated inspection requirement.
5. The method according to claim 1, characterized in that the grid equipment to be verified comprises at least one of the following: the system comprises an electric energy meter, a voltage transformer, a current transformer and a secondary circuit.
6. The method of claim 1, wherein obtaining performance requirements and inspection requirements corresponding to the grid equipment to be inspected, in the case where the grid equipment to be inspected is an electric energy meter, comprises:
acquiring a performance requirement and a check requirement corresponding to the electric energy meter, wherein the performance requirement corresponding to the electric energy meter comprises at least one of the following: the method comprises the following steps of (1) working error requirements, counter electric energy indicating value combination error requirements and clock indicating value deviation requirements; the test requirements corresponding to the electric energy meter include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
7. The method according to claim 1, wherein in case the grid equipment to be inspected is an electric energy meter, the inspection of the electric energy meter comprises at least one of: the method comprises the steps of appearance inspection, wiring inspection, inspection of measurement errors and unreasonable measurement modes, work error test, electric energy indication value combination error test of a counter, clock indication value deviation test, communication interface inspection and function inspection.
8. The method of claim 1, wherein obtaining performance requirements and inspection requirements corresponding to the electrical grid equipment to be inspected, in the case where the electrical grid equipment to be inspected is a voltage transformer, comprises:
acquiring performance requirements and inspection requirements corresponding to the voltage transformer, wherein the performance requirements corresponding to the voltage transformer comprise at least one of the following: insulation requirements, basic error requirements, stability requirements; the inspection requirements corresponding to the voltage transformer include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
9. The method according to claim 1, characterized in that in case the electrical network equipment to be inspected is a voltage transformer, the inspection of the voltage transformer comprises at least one of the following: appearance inspection, insulation test, polarity inspection of the winding, basic error measurement, error measurement of the metering winding under secondary actual load, and stability inspection.
10. The method of claim 1, wherein obtaining performance requirements and inspection requirements corresponding to the electrical grid equipment to be inspected, in the case where the electrical grid equipment to be inspected is a current transformer, comprises:
acquiring performance requirements and inspection requirements corresponding to the current transformer, wherein the performance requirements corresponding to the current transformer comprise at least one of the following: insulation requirements, basic error requirements, stability requirements; the inspection requirements corresponding to the current transformer include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
11. The method according to claim 1, characterized in that in case the electrical network equipment to be inspected is a current transformer, the inspection of the current transformer comprises at least one of the following: appearance inspection, insulation resistance measurement, polarity inspection of windings, basic error measurement, error measurement under secondary actual load, and stability inspection.
12. The method of claim 1, wherein obtaining performance requirements and inspection requirements corresponding to the electrical grid equipment to be inspected, in the case where the electrical grid equipment to be inspected is a secondary loop, comprises:
acquiring a performance requirement and a checking requirement corresponding to the secondary loop, wherein the performance requirement corresponding to the secondary loop comprises at least one of the following: voltage reduction of a secondary circuit of the voltage transformer and secondary actual load of the voltage transformer; the inspection requirements corresponding to the secondary loop include at least one of: on-site inspection conditions, inspection equipment requirements, inspection item lists.
13. Method according to claim 1, characterized in that in case the electrical network equipment to be inspected is a secondary circuit, the inspection of the secondary circuit comprises at least one of the following: voltage transformer secondary circuit step-down measurement, voltage transformer secondary actual load measurement and current transformer secondary actual load measurement.
14. A grid data processing apparatus, comprising:
the system comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for acquiring performance requirements and detection requirements corresponding to the to-be-detected power grid equipment;
the inspection module is used for inspecting the to-be-inspected power grid equipment according to the performance requirement and the inspection requirement and obtaining an inspection result;
the updating module is used for updating the inspection requirement according to the inspection result to obtain an updated inspection requirement;
and the execution module is used for repeatedly executing the modules in a preset check period until the preset check period is ended.
15. A storage medium, characterized in that the storage medium comprises a stored program, wherein when the program runs, a device in which the storage medium is located is controlled to execute the power grid data processing method according to any one of claims 1 to 13.
16. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to execute the grid data processing method according to any one of claims 1 to 13 when running.
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| CN201911235865.5A CN111060151A (en) | 2019-12-05 | 2019-12-05 | Power grid data processing method and device |
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| CN201911235865.5A CN111060151A (en) | 2019-12-05 | 2019-12-05 | Power grid data processing method and device |
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