CN114063002A - Electricity meter clock smoothing treatment method based on transformer substation acquisition terminal - Google Patents
Electricity meter clock smoothing treatment method based on transformer substation acquisition terminal Download PDFInfo
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- CN114063002A CN114063002A CN202111573809.XA CN202111573809A CN114063002A CN 114063002 A CN114063002 A CN 114063002A CN 202111573809 A CN202111573809 A CN 202111573809A CN 114063002 A CN114063002 A CN 114063002A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009499 grossing Methods 0.000 title claims abstract description 10
- 230000005611 electricity Effects 0.000 title description 2
- 238000012937 correction Methods 0.000 claims description 8
- 238000007726 management method Methods 0.000 description 7
- 230000009633 clock regulation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
Abstract
The invention discloses an ammeter clock smoothing treatment method based on a transformer substation acquisition terminal, which adopts the technical scheme that the method comprises the following steps: s1: setting parameters by an acquisition master station or through a terminal interface; s2: the terminal periodically collects the electric meter clock and returns a clock difference value; s3: the acquisition terminal divides the intervals by taking the clock adjustment amplitude as a reference, calculates the interval of each table by using the clock difference value statistics, and creates a clock administration task; s4: and the acquisition terminal executes the clock calibration task according to the priority level and carries out smooth clock management on the electric energy meter according to the clock adjustment amplitude. The method solves the problems of line loss impact caused by non-uniformity of the electric meter clock and large fluctuation of the clock in a complex environment on site, thereby ensuring the accuracy of spot transaction data in an electric power market.
Description
Technical Field
The invention relates to the technical field of electric energy acquisition of transformer substations, in particular to an ammeter clock smoothing treatment method based on a transformer substation acquisition terminal.
Background
With the development and continuous perfection of the electric power market, the proportion of the electric quantity of market-oriented trading is greatly improved, spot-stock trading is used as supplement of medium-term and long-term trading, higher requirements are also put forward on the accuracy of an electric meter clock, and the data source must be accurate to ensure the stability of the electric power market. Under the transformer substation environment, the type and the agreement of ammeter are various, and under the circumstances that the ammeter clock is out of tolerance, generally all keep the clock accurate through artifical timing or change the ammeter, be huge waste to manpower and materials. The traditional time correction method based on the terminal is broadcast time correction, the terminal broadcasts all the following meters in terminal time at fixed time every day, but the broadcast time correction can only aim at domestic 645 and 698.45 protocol electric meters with time difference range within 5 minutes, and can not correct foreign protocol electric meters, and the time processing range and multi-protocol support have great limitations.
Disclosure of Invention
The invention provides an ammeter clock smooth management method based on a transformer substation acquisition terminal, aiming at the defects of the prior art, the transformer substation acquisition terminal manages an ammeter with an abnormal clock by acquiring clocks of electric energy meters of various protocols and carrying out statistical calculation and distinguishing protocol targeted broadcasting, point-to-point timing and continuous smooth zoom-in time difference, and solves the problem of line loss impact caused by non-uniform clocks and large clock fluctuation in a complex environment.
The purpose of the invention can be realized by the following technical scheme:
an ammeter clock smoothing treatment method based on a transformer substation acquisition terminal is characterized in that clocks of all ammeters are acquired at each clock adjustment interval of the transformer substation acquisition terminal, a time correction interval is divided in the terminal, and the ammeter is subjected to clock treatment at the smooth interval, wherein the method comprises the following steps:
s1: clock administration parameters including a clock adjustment interval, a clock adjustment amplitude and a clock adjustment threshold are issued by an acquisition master station or set through a terminal interface;
s2: the method comprises the steps that an acquisition terminal acquires clocks of all electric meters according to clock adjustment intervals, the acquired clocks of the electric meters are compared with a current clock of the terminal, and clock difference values of all the electric meters are acquired;
s3: the acquisition terminal acquires a clock management list according to a clock adjustment threshold, divides the intervals by taking the clock adjustment amplitude as a reference, calculates the interval of each table according to clock difference statistics, and sequentially creates clock management tasks according to parameters such as a table protocol and a port;
s4: and the acquisition terminal executes the clock calibration task according to the priority level and carries out smooth clock management on the electric energy meter according to the clock adjustment amplitude.
Further, the purpose of step S2 is to ensure that the time difference of the electric energy meter is based on the terminal time at the time of collection, so as to ensure the accuracy of the calculated clock difference.
Further, in the step S3, the terminal determines, according to the clock difference value of the meter, that the electric meter that needs to be subjected to clock regulation is the electric meter that exceeds the clock regulation threshold range.
Further, in step S3, the interval is divided based on the clock adjustment range, and the interval division method is:
the range of the clock adjusting threshold value is a non-timing interval, the range of the clock adjusting threshold value plus the clock adjusting amplitude plus 1 is a first interval, the range of the clock adjusting threshold value plus the clock adjusting amplitude plus 2 is a second interval, the range of the clock adjusting threshold value plus the clock adjusting amplitude plus 3 is a third interval, and the like.
Further, the specific calculation manner of calculating the interval where each table is located in the step S3 by using the clock difference statistics is as follows:
the difference between the clock difference and the clock adjustment threshold is calculated first, and then divided by the clock adjustment amplitude to obtain the interval.
Further, in step S3, clock calibration tasks are sequentially created according to parameters such as a table protocol and a port, and the specific manner is as follows:
firstly, according to a protocol, dividing the electric meters into electric meters which only support broadcasting time correction and point-to-point support;
aiming at the electric meters for broadcast timing, a broadcast timing task is created according to the interval where the electric meters are located, and the operation is carried out from top to bottom according to the corresponding priority of the interval from small to large;
aiming at point-to-point electric meters, each electric meter independently creates a unique smooth timing task, and the maximum adjustment range is one clock adjustment amplitude.
Further, in step S4, the terminal performs the clock calibration tasks in sequence according to the priority, and preferentially draws the clock with a small clock difference to the terminal clock by a clock adjustment amplitude.
The invention has the beneficial technical effects that: the method has the advantages that the clocks of the electric meters are acquired at intervals through each clock adjustment of the acquisition terminal of the transformer substation, the time correction intervals are divided in the terminal, and the electric meters are subjected to clock management in smooth intervals, so that the problems of line loss impact caused by non-uniformity of electric meter clocks and large clock fluctuation in a field complex environment are solved, the accuracy of spot transaction data in an electric power market is guaranteed, and compared with other methods, the method has the characteristics of high precision and strong practicability, and has strong popularization significance.
Drawings
FIG. 1 is a general flow diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
An ammeter clock smoothing treatment method based on a transformer substation acquisition terminal comprises the following steps:
s1: clock administration parameters including a clock adjustment interval, a clock adjustment amplitude and a clock adjustment threshold are issued by an acquisition master station or set through a terminal interface;
s2: the acquisition terminal acquires the clocks of the electric meters according to the clock adjustment interval, compares the acquired clocks of the electric meters with the current clock of the terminal, and acquires the clock difference value of each electric meter. The purpose of the step is that the time difference of all the electric energy meters takes the terminal time as the reference, thereby ensuring the accuracy of the data;
s3: the acquisition terminal acquires a clock management list according to the clock adjustment threshold, divides the intervals by taking the clock adjustment amplitude as a reference, calculates the interval of each table according to clock difference statistics, and sequentially creates clock management tasks according to parameters such as table protocols and ports.
For example, the acquisition terminal divides the regions according to the clock adjustment amplitude for 5 minutes, and the region division mode is as follows:
the range of the clock adjustment threshold value is a non-timing interval, the range of the clock adjustment threshold value + the clock adjustment amplitude + 1 is a first interval, the range of the clock adjustment threshold value + the clock adjustment amplitude + 2 is a second interval, the range of the clock adjustment threshold value + the clock adjustment amplitude + 3 is a third interval, and the like;
the specific calculation mode for calculating the interval of each table by using clock difference statistics is as follows:
calculating the difference between the clock difference and the clock adjustment threshold, and dividing the difference by the clock adjustment amplitude to obtain the interval;
and then, sequentially creating clock calibration tasks according to parameters such as a table protocol and a port, and the like, wherein the specific mode is as follows:
firstly, according to a protocol, dividing the electric meters into electric meters which only support broadcasting time correction and point-to-point support;
aiming at the electric meters for broadcast timing, a broadcast timing task is created according to the interval where the electric meters are located, and the operation is carried out from top to bottom according to the corresponding priority of the interval from small to large;
aiming at point-to-point electric meters, each electric meter independently creates a unique smooth timing task, and the maximum adjustment range is a clock adjustment range;
s4: and the acquisition terminal executes clock calibration tasks in sequence according to the priority, and preferentially draws a clock with small clock difference to a terminal clock by a clock adjustment amplitude.
The above-mentioned embodiments are illustrative of the specific embodiments of the present invention, and are not restrictive, and those skilled in the relevant art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should be included in the scope of the present invention.
Claims (4)
1. The electric meter clock smoothing treatment method based on the transformer substation acquisition terminal is characterized in that each clock adjustment interval of the transformer substation acquisition terminal acquires the clock of each electric meter, a time correction interval is divided in the terminal, and the electric meters are subjected to clock treatment in the smooth interval, and the method comprises the following steps:
s1: clock administration parameters including a clock adjustment interval, a clock adjustment amplitude and a clock adjustment threshold are issued by an acquisition master station or set through a terminal interface;
s2: the method comprises the steps that an acquisition terminal acquires clocks of all electric meters according to clock adjustment intervals, the acquired clocks of the electric meters are compared with a current clock of the terminal, and clock difference values of all the electric meters are acquired;
s3: the acquisition terminal acquires a clock management list according to a clock adjustment threshold, divides the intervals by taking the clock adjustment amplitude as a reference, calculates the interval of each table according to clock difference statistics, and sequentially creates clock calibration tasks according to parameters such as a table protocol and a port;
s4: and the acquisition terminal executes the clock calibration task according to the priority level and carries out smooth clock management on the electric energy meter according to the clock adjustment amplitude.
2. The electric meter clock smoothing and governing method based on the substation collection terminal of claim 1, wherein the comparison between the electric meter clock collected in step S2 and the current clock of the terminal ensures that the time difference of all electric energy meters is based on the terminal time, thereby ensuring the accuracy of the data.
3. The electric meter clock smoothing treatment method based on the substation acquisition terminal as claimed in claim 1, wherein in step S3, in the division with the clock adjustment amplitude as a reference, all electric meters have corresponding positions according to the clock difference value, so that the terminal can conveniently perform clock treatment according to the division.
4. The electric meter clock smoothing treatment method based on the substation acquisition terminal as claimed in claim 1, wherein in step S3, the terminal creates clock treatment tasks for the priority according to the interval sequence, and the maximum timing range is a clock adjustment range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573809.XA CN114063002A (en) | 2021-12-21 | 2021-12-21 | Electricity meter clock smoothing treatment method based on transformer substation acquisition terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111573809.XA CN114063002A (en) | 2021-12-21 | 2021-12-21 | Electricity meter clock smoothing treatment method based on transformer substation acquisition terminal |
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| CN114063002A true CN114063002A (en) | 2022-02-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513568A (en) * | 2013-09-24 | 2014-01-15 | 国家电网公司 | Automatic time comparing method capable of breaking limit of intelligent electric power meter hardware |
| US20190137592A1 (en) * | 2016-04-20 | 2019-05-09 | HYDRO-QUéBEC | Online calibration of meters and detection of electrical non-compliances |
| CN110320791A (en) * | 2019-06-20 | 2019-10-11 | 国网湖南省电力有限公司 | A kind of power information acquisition system clock management method and device |
| CN111355552A (en) * | 2020-02-14 | 2020-06-30 | 国网新疆电力有限公司电力科学研究院 | Electric energy meter clock remote time synchronization management method and system |
| CN113315546A (en) * | 2021-05-24 | 2021-08-27 | 国网浙江省电力有限公司营销服务中心 | Time synchronization method of low-voltage distribution room acquisition system based on HPLC carrier |
-
2021
- 2021-12-21 CN CN202111573809.XA patent/CN114063002A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513568A (en) * | 2013-09-24 | 2014-01-15 | 国家电网公司 | Automatic time comparing method capable of breaking limit of intelligent electric power meter hardware |
| US20190137592A1 (en) * | 2016-04-20 | 2019-05-09 | HYDRO-QUéBEC | Online calibration of meters and detection of electrical non-compliances |
| CN110320791A (en) * | 2019-06-20 | 2019-10-11 | 国网湖南省电力有限公司 | A kind of power information acquisition system clock management method and device |
| CN111355552A (en) * | 2020-02-14 | 2020-06-30 | 国网新疆电力有限公司电力科学研究院 | Electric energy meter clock remote time synchronization management method and system |
| CN113315546A (en) * | 2021-05-24 | 2021-08-27 | 国网浙江省电力有限公司营销服务中心 | Time synchronization method of low-voltage distribution room acquisition system based on HPLC carrier |
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