Modeling system for electric energy metering data

Abstract

The invention provides a modeling system for electric energy metering data, and the system comprises a data conversion module which is used for converting a metering unit of the electric energy metering data into an identifier compatible with a UTF-8 code; converting the data generation time into an extended UTC format; the uncertainty, including factors, probabilities and distribution conditions, in the expansion uncertainty is converted into an identifier compatible with UTF-8 codes; the data storage module is used for storing the converted data; and the data verification module is used for verifying the converted data, and outputting the converted electric energy metering data if the data structure and the numerical value meet the transmission requirements. Aiming at the problems of non-uniform format, non-uniform semantics and incapability of cross-system interaction of traditional electric energy metering data, the invention provides a method for realizing structured conversion of metering units, data generation time and expansion uncertainty by applying identifiers compatible with UTF-8 codes, and the converted data can be subjected to verification and cross-system data interaction transmission. The problem of electric energy metering data compatibility is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric energy metering, and in particular to a modeling system for electric energy metering data. Background Art

[0002] Electricity metering equipment is used to measure electricity consumption and production. It is a key component in the power system. Electricity metering data is the key to evaluating the performance and accuracy of electricity metering equipment. Electricity metering data is generally stored in the information systems of various laboratories. After years of construction and development, various types of electricity metering laboratories at all levels have established a number of information systems for internal management and business processing, and have accumulated a large amount of electricity metering data. Due to the lack of systematic construction standards and specifications in the early stage of construction, the data format is not unified, the semantics are inconsistent, the redundancy is large and incomplete, the electricity metering data between laboratories cannot be interconnected, and information resources cannot be shared. Summary of the invention

[0003] In view of the above technical problems, the present invention provides a modeling system for electric energy metering data, comprising:

[0004] The data conversion module is used to convert the measurement unit of the electric energy metering data into an identifier compatible with UTF-8 encoding; the data generation time is converted into the extended UTC format; the uncertainty, coverage factor, coverage probability and distribution in the extended uncertainty are converted into an identifier compatible with UTF-8 encoding;

[0005] A data storage module, used for storing the converted data;

[0006] The data verification module is used to verify the converted data. If the data structure and value meet the transmission requirements, the converted electric energy metering data is output.

[0007] Furthermore, it also includes:

[0008] If the data structure and value do not meet the transmission requirements, the electric energy metering data will be reconverted through the data conversion module.

[0009] Furthermore, the measurement unit of the electric energy metering data is converted into an identifier compatible with UTF-8 encoding, including:

[0010] Use prefixes, SI units, exponents, and operators to represent different types of measurement units;

[0011] Prefixes, SI units, exponents, and operators are all represented using identifiers compatible with UTF-8 encoding.

[0012] Furthermore, it also includes:

[0013] Units of measurement, using a combination of prefixes, SI units, exponents, and operators to represent different types of units of measurement.

[0014] Furthermore, SI units of measurement include 7 SI base units, SI derived units, and non-SI units that are accepted for use with SI.

[0015] Furthermore, the data generation time is converted to the extended UTC format, including:

[0016] The data generation time is determined by calculating the difference between the electric energy metering data device and the coordinated universal time (UTC) to determine the calibrated timestamp;

[0017] Apply calibrated timestamps to mark the time when data was generated.

[0018] Furthermore, it also includes:

[0019] Use identifiers compatible with UTF-8 encoding to describe energy metering data.

[0020] Furthermore, it also includes

[0021] The numerical value of the electric energy metering data is expressed in decimal floating point data.

[0022] A modeling system for electric energy metering data provided by the present invention aims to solve the problems of inconsistent formats, inconsistent semantics and inability to interact across systems in traditional electric energy metering data. It proposes to use identifiers (or character strings) compatible with UTF-8 encoding to achieve structured conversion of measurement units, data generation time and extended uncertainty. The converted data can be verified and transmitted across systems, thus solving the problem of compatibility of electric energy metering data. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is the process of structuring electric energy metering data according to an embodiment of the present invention;

[0024] Figure 2 This is the electric energy metering data model involved in the embodiment of the present invention. DETAILED DESCRIPTION

[0025] Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited to the specific implementation disclosed below.

[0026] The present invention provides a modeling system for electric energy metering data, comprising:

[0027] The data conversion module is used to convert the measurement unit of the electric energy metering data into an identifier compatible with UTF-8 encoding; the data generation time is converted into the extended UTC format; the uncertainty, coverage factor, coverage probability and distribution in the extended uncertainty are converted into an identifier compatible with UTF-8 encoding;

[0028] A data storage module, used for storing the converted data;

[0029] The data verification module is used to verify the converted data. If the data structure and value meet the transmission requirements, the converted electric energy metering data is output.

[0030] Furthermore, it also includes:

[0031] If the data structure and value do not meet the transmission requirements, the electric energy metering data will be reconverted through the data conversion module.

[0032] Furthermore, the measurement unit of the electric energy metering data is converted into an identifier compatible with UTF-8 encoding, including:

[0033] Use prefixes, SI units, exponents, and operators to represent different types of measurement units;

[0034] Prefixes, SI units, exponents, and operators are all represented using identifiers compatible with UTF-8 encoding.

[0035] Furthermore, it also includes:

[0036] Units of measurement, using a combination of prefixes, SI units, exponents, and operators to represent different types of units of measurement.

[0037] Furthermore, SI units in measurement include 7 SI base units, SI derived units, and non-SI units that are accepted for use with SI.

[0038] Furthermore, the data generation time is converted to the extended UTC format, including:

[0039] The data generation time is determined by calculating the difference between the electric energy metering data device and the coordinated universal time (UTC) to determine the calibrated timestamp;

[0040] Apply calibrated timestamps to mark the time when data was generated.

[0041] Furthermore, it also includes:

[0042] Use identifiers compatible with UTF-8 encoding to describe energy metering data.

[0043] Furthermore, it also includes

[0044] The numerical value of the electric energy metering data is expressed in decimal floating point data.

[0045] Electric energy metering data is generally represented by numerical value, measurement unit, data generation time, and expanded uncertainty. It is the key to evaluate the performance and accuracy of electric energy metering equipment. The unified model of electric energy metering data is as follows: Figure 2 shown.

[0046] Labels are represented by identifiers (strings) compatible with UTF-8 encoding and are used to briefly describe the data.

[0047] The value is expressed in decimal floating point form, including the sign, mantissa, exponent separator, and exponent value. The sign and exponent parts are optional; the sign includes "+" and "-", indicating positive and negative values; the mantissa consists of the digits "0" to "9"; the exponent separator is "e" or "E", and the exponent separator and exponent value represent the power of 10.

[0048] Units of measurement, using prefixes, SI units, exponents, and operators to represent different types of units of measurement. Prefixes, SI units, exponents, and operators are all represented by identifiers (strings) compatible with UTF-8 encoding, starting with a backslash and written in lowercase letters.

[0049] All multiples and fractions of the base 10 in the units of measurement require separate identifiers. For example, the micro (symbol μ) and kilo (symbol k) in the units of microvolt (symbol μV) and kilovolt (symbol kV) are both represented by a backslash followed by a lowercase letter, "\micro" and "\kilo", respectively.

[0050] SI units in measurement units include 7 SI base units, SI derived units and other non-SI units that are accepted for use with SI. All units also require separate identifiers, for example, the unit volt (symbol V) is represented by "\volt" and the unit ampere (symbol A) is represented by "\ampere".

[0051] The exponent in the measurement unit is expressed as "\tothe{exponent}". Enter a value representing the exponent in the exponent field, and use the exponential operator to express the exponential operation relationship of the unit. For example, the unit of area is square meters (symbol / m2), which is expressed as "\metre\tothe{2}".

[0052] The operators in the units of measurement represent the operation relationship between different units, and are expressed by adding the unit sequence. For example, the unit of electricity (symbol kW·h) is expressed in the following way: "\kilo\watt\hour" where the unit "\kilo\watt" is multiplied by the unit "\hour".

[0053] The data generation time uses a calibrated timestamp and provides the difference (deviation) from the Coordinated Universal Time (UTC). It is expressed in the extended UTC format, including the date, time, and the deviation of the time zone from the UTC time. For example, 2024-05-05T10:12:01.07-00:02, the date "2024-05-05" contains the year, month, and day. The date and time are separated by the letter "T", and the time "10:12:01.07" consists of hours, minutes, and seconds. Seconds can be expressed as a two-digit integer value, and some decimal places can be added. The deviation from the UTC time "-00:01" contains "+" or "-", followed by hours and minutes. The deviation in the example is -2 minutes.

[0054] Expanded uncertainty, expressed as uncertainty, coverage factor, coverage probability, and distribution. The type of the "uncertainty" value is a positive decimal number, the coverage factor is a decimal number with a value greater than 1, and the coverage probability is a decimal number with a value greater than 0 and less than 1. If information about the type of distribution of the measurand is available, specify this information using the optional data item "distribution", which is written as a UTF-8 encoded string.

[0055] After inputting the electric energy data, the data conversion module is used to perform structured processing on the measurement unit, data generation time, and expanded uncertainty. The processing format is as follows: Figure 2 As shown in the figure, after the data is structured, it is saved in the data storage module, and the format and value of the data in each module are verified. After the data is correct, the structured data is output. The process of converting electric energy metering data into structured data is as follows: Figure 1 shown.

[0056] Specifically, the first step is to input the electric energy metering data.

[0057] In the second step, the measurement unit, data generation time, and expanded uncertainty are input into the data conversion module.

[0058] The third step is to sort the prefixes, SI units, exponents, and operators of the measurement units according to Figure 1 The format requirements are converted into an identifier compatible with UTF-8 encoding; the data generation time is converted using the extended UTC format; the uncertainty, coverage factor, coverage probability and distribution of the extended uncertainty are converted into an identifier compatible with UTF-8 encoding.

[0059] The fourth step is to store the converted data into the data storage module, and judge the data type and value size of the converted data. The judgment content includes the value, uncertainty, coverage factor, and the numerical range of the coverage probability.

[0060] In the fifth step, if the data structure and value meet the transmission requirements, output the structured electric energy metering data; if not, return to the third step.

[0061] A modeling system for electric energy metering data provided by the present invention aims to solve the problems of inconsistent formats, inconsistent semantics and inability to interact across systems in traditional electric energy metering data. It proposes to use identifiers (or character strings) compatible with UTF-8 encoding to achieve structured conversion of measurement units, data generation time and extended uncertainty. The converted data can be verified and transmitted across systems, thus solving the problem of compatibility of electric energy metering data.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents, and any modifications or equivalents that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A modeling system for electric energy metering data, characterized in that: include: The data conversion module is used to convert the measurement unit of the electric energy metering data into an identifier compatible with UTF-8 encoding; the data generation time is converted into the extended UTC format; the uncertainty, coverage factor, coverage probability and distribution in the extended uncertainty are converted into an identifier compatible with UTF-8 encoding; A data storage module, used for storing the converted data; The data verification module is used to verify the converted data. If the data structure and value meet the transmission requirements, the converted electric energy metering data is output.

2. The system according to claim 1, characterized in that Also includes: If the data structure and value do not meet the transmission requirements, the electric energy metering data will be reconverted through the data conversion module.

3. The system according to claim 1, characterized in that Convert the measurement units of electric energy metering data into identifiers compatible with UTF-8 encoding, including: Use prefixes, SI units, exponents, and operators to represent different types of measurement units; Prefixes, SI units, exponents, and operators are all represented using identifiers compatible with UTF-8 encoding.

4. The system according to claim 1, characterized in that Also includes: Units of measurement, using a combination of prefixes, SI units, exponents, and operators to represent different types of units of measurement.

5. The system according to claim 4, characterized in that SI units of measurement include 7 SI base units, SI derived units, and non-SI units that are accepted for use with SI.

6. The system according to claim 1, characterized in that The data generation time is converted to the extended UTC format, including: The data generation time is determined by calculating the difference between the electric energy metering data device and the coordinated universal time (UTC) to determine the calibrated timestamp; Apply calibrated timestamps to mark the time when data was generated.

7. The system according to claim 1, characterized in that Also includes: Use identifiers compatible with UTF-8 encoding to describe energy metering data.

8. The system according to claim 1, characterized in that Also includes The numerical value of the electric energy metering data is expressed in decimal floating point data.

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