CN106569024A - Electric energy quantity metering and collecting system - Google Patents

Electric energy quantity metering and collecting system Download PDF

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Publication number
CN106569024A
CN106569024A CN201610918172.6A CN201610918172A CN106569024A CN 106569024 A CN106569024 A CN 106569024A CN 201610918172 A CN201610918172 A CN 201610918172A CN 106569024 A CN106569024 A CN 106569024A
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CN
China
Prior art keywords
electric energy
energy meter
main
data
harvester
Prior art date
Application number
CN201610918172.6A
Other languages
Chinese (zh)
Inventor
蔡延雷
阎帅
陈岳
陈彦州
苏浩辉
陈浩宁
Original Assignee
中国南方电网有限责任公司超高压输电公司检修试验中心
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 中国南方电网有限责任公司超高压输电公司检修试验中心 filed Critical 中国南方电网有限责任公司超高压输电公司检修试验中心
Priority to CN201610918172.6A priority Critical patent/CN106569024A/en
Publication of CN106569024A publication Critical patent/CN106569024A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. by electricity meters
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00Electric signal transmission systems
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/06Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres

Abstract

The invention discloses an electric energy quantity metering and collecting system comprising an electric energy meter, an electric energy collection device, two data transmission channels and a data processing main station unit. The electric energy meter comprises a main electric energy meter and an auxiliary electric energy meter, the main electric energy meter and the auxiliary electric energy are used for metering an electric energy quantity of the same metering point, the electric energy collection device comprises a main electric energy collection device and an auxiliary electric energy collection device, the main electric energy collection device is connected with the main electric energy meter and the auxiliary electric energy meter and is used for collecting data of the main electric energy meter and the auxiliary electric energy meter, the auxiliary electric energy collection device is connected with the main electric energy meter and the auxiliary electric energy meter and is used for collecting ata of the main electric energy meter and the auxiliary electric energy meter, the main electric energy collection device and the auxiliary electric energy collection device are respectively connected with the data processing main station unit via the data transmission channels, and therefore data can be sent to the data processing main station unit. Via the electric energy metering and collecting system, stability of electric energy quantity data collection can be greatly improved, and that electric energy quantity data can be reliably sent to the data processing main station unit can be ensured.

Description

A kind of electrical energy metering acquisition system
Technical field
The present invention relates to a kind of electrical energy metering acquisition system.
Background technology
Electrical energy metering mainly realizes that power plant's online, the metering of off line and interconnection critical point point electric flux, and data are carried out Storage at times, collection and process, provide master data to settle accounts and analyzing.Electric energy data is used as support operation power decision-making Important evidence, be the indispensable data in electric power distribution field.With the development of power industry, the electric energy gauge of collection is needed Amount information is also more and more huger, because will accurately be analyzed to operation power situation, it is necessary to collect electric flux multidimensional The information of degree.
But the less stable of existing Electric Energy Acquisition System, often occurs the situation of loss of data, causes not Electrical energy metering business can normally be carried out, it is impossible to provide for operation power analysis and stablize effective data.
The content of the invention
To overcome the defect having in above-mentioned prior art, the present invention provides a kind of electrical energy metering acquisition system, to carry The stability of high data acquisition for electric energy.
For achieving the above object, the present invention is adopted the technical scheme that:
A kind of electrical energy metering acquisition system, which is included at electric energy meter, energy harvester, data transmission channel and data Reason main station unit;
Electric energy meter includes main electric energy meter and secondary electric energy meter, main electric energy meter and secondary electric energy meter for the electric energy to same stoichiometric point Amount is measured respectively;
Energy harvester includes main energy harvester and secondary energy harvester, main energy harvester respectively with main electric energy meter and Secondary electric energy meter is connected to the data for gathering main electric energy meter and secondary electric energy meter, and secondary energy harvester is electric with main electric energy meter and pair respectively Energy table is connected to the data for gathering main electric energy meter and secondary electric energy meter;
The quantity of data transmission channel is two, and main energy harvester and secondary energy harvester distinguish Jing data transmission channels It is connected with data processing main station unit so as to transfer data to data processing main station unit.
The present invention is measured to the electric flux of same stoichiometric point respectively using main electric energy meter and secondary electric energy meter, and Jing respectively Gathered data is sent to data processing main station unit, main electric energy meter and secondary electric energy meter by main energy harvester and secondary energy harvester Standby each other, main energy harvester is standby each other with secondary energy harvester, even if event occur in one of electric energy meter or harvester Barrier, another can also collect data, substantially increase the stability of data acquisition for electric energy.
Used as a modification of the present invention, described two data transmission channels are respectively multi-service transport platform MSTP passage With dispatch data net passage.
Further, the main energy harvester difference Jing multi-service transport platforms MSTP passage and dispatch data net passage It is connected with data processing main station unit, secondary energy harvester distinguishes Jing multi-service transport platforms MSTP passage and dispatch data net Passage is connected with data processing main station unit.Using the connected mode intersected, main energy harvester, pair are further increasing The stability that energy harvester is transmitted with data processing main station unit data.
Further, the electric energy meter is the electric energy meter that serial ports is communicated with two RS485.
Further, the RS485 communication serial ports of the electric energy meter is connected with main energy harvester by optical fiber, described The 2nd RS485 communication serial ports of electric energy meter is connected with secondary energy harvester by optical fiber.
Compared with prior art, the present invention has advantages below:
The present invention is measured to the electric flux of same stoichiometric point respectively using main electric energy meter and secondary electric energy meter, it is ensured that its In electric energy meter when breaking down, also have another electric energy meter as standby;It is provided with two harvesters, each harvester It is connected with main electric energy meter and secondary electric energy meter, even if one of harvester breaks down, also has another harvester as standby With;Using the transmission mode of Double Data transmission channel, even if one of data transmission channel breaks down, also another number According to transmission channel as standby, the stability for substantially increasing data acquisition for electric energy of the invention, it is ensured that electric energy data reliability Be sent to data processing main station unit.
Description of the drawings
Fig. 1 is the structure chart of electrical energy metering acquisition system of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.It is understood that tool described herein Body embodiment is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, for the ease of retouching State, in accompanying drawing, illustrate only part related to the present invention rather than full content.
As shown in figure 1, a kind of electrical energy metering acquisition system, which includes electric energy meter, energy harvester, data transmission channel And data processing main station unit.
Electric energy meter includes main electric energy meter 101 and secondary electric energy meter 102, main electric energy meter 101 and secondary electric energy meter 102 for same The electric flux of stoichiometric point is measured respectively;Main electric energy meter and secondary electric energy meter are standby each other, and main energy harvester and secondary electric energy are adopted Storage is standby each other, even if one of electric energy meter or harvester break down, another can also collect data, greatly improve The stability of data acquisition for electric energy.
Energy harvester includes main energy harvester 201 and secondary energy harvester 202, main energy harvester 201 respectively with Main electric energy meter 101 and secondary electric energy meter 102 are connected to the data for gathering main electric energy meter 101 and secondary electric energy meter 102, secondary electric energy acquisition Device 202 is connected to gather the number of main electric energy meter 101 and secondary electric energy meter 102 with main electric energy meter 101 and secondary electric energy meter 102 respectively According to.
Wherein electric energy meter is the electric energy meter that serial ports are communicated with two RS485, the RS485 communication strings of the electric energy meter Mouth is connected with main energy harvester 201 by optical fiber, and the 2nd RS485 communication serial ports of the electric energy meter is by optical fiber and secondary electric energy Harvester 202 connects.That is to say main energy harvester 201 respectively with main electric energy meter 101 and a RS485 of secondary electric energy meter 102 Communication serial ports connection, the 2nd RS485 communication serial ports respectively with main electric energy meter 101 and secondary electric energy meter 102 of secondary energy harvester 202 Connection, is provided with two harvesters, and each harvester is connected with main electric energy meter and secondary electric energy meter, even if one of collection Device breaks down, and also has another harvester as standby.
The quantity of data transmission channel is two, and two data transmission channels are respectively multi-service transport platform MSTP passage 301 and dispatch data net passage 302.
Main energy harvester 201 and the secondary difference Jing data transmission channels of energy harvester 202 and data processing main station unit It is connected so as to transfer data to data processing main station unit 400.
In the present embodiment, difference Jing multi-service transport platforms MSTP of main energy harvester 201 passage 301 and scheduling data Netcom road 302 is connected with data processing main station unit 400, difference Jing multi-service transport platforms MSTP of secondary energy harvester 202 Passage 301 and dispatch data net passage 302 are connected with data processing main station unit 400.Using the connected mode intersected, enter one The stability of main energy harvester, secondary energy harvester and the transmission of data processing main station unit data is improve step.
The present invention is measured to the electric flux of same stoichiometric point respectively using main electric energy meter and secondary electric energy meter, it is ensured that its In electric energy meter when breaking down, also have another electric energy meter as standby;It is provided with two harvesters, each harvester It is connected with main electric energy meter and secondary electric energy meter, even if one of harvester breaks down, also has another harvester as standby With;Using the transmission mode of Double Data transmission channel, even if one of data transmission channel breaks down, also another number According to transmission channel as standby, the stability for substantially increasing data acquisition for electric energy of the invention, it is ensured that electric energy data reliability Be sent to data processing main station unit.
When actually used, this electrical energy metering acquisition system specify that collection quantity of information, and the collection position of collection capacity Put and acquisition order, so as to improve the standardization and stability of data acquisition for electric energy.In order to adapt to supertension company to electricity Energy datum carries out automatic data collection, teletransmission and storage, pretreatment, statistical computation analysis, line loss statistical service and supports electric power The operation in market, charge calculation, ancillary service cost clearing and economic compensation such as calculate at the growth requirement of other multinomial business, this Invention electrical energy metering acquisition system specify that 22 collection capacities, the title of 22 collection capacities, order, collection position and decimal Shown in digit table specific as follows:
Serial number Collection capacity Quantity Decimal digits Collection position
1 Positive active energy+A (total) 1 4 Load curve
2 Reverse active energy-A (total) 1 4 Load curve
3 Positive capacity of idle power+R (total) 1 4 Load curve
4 Reverse capacity of idle power-R (total) 1 4 Load curve
5 Positive active energy+A (peak) 1 4 Load curve
6 Reverse active energy-A (peak) 1 4 Load curve
7 Positive active energy+A (paddy) 1 4 Load curve
8 Reverse active energy-A (paddy) 1 4 Load curve
9 Positive capacity of idle power+R (peak) 1 4 Load curve
10 Reverse capacity of idle power-R (peak) 1 4 Load curve
11 Positive capacity of idle power+R (paddy) 1 4 Load curve
12 Reverse capacity of idle power-R (paddy) 1 4 Load curve
13 Active-power P (meansigma methodss) 1 2 Load curve
14 Reactive power P (meansigma methodss) 1 2 Load curve
15 A phase voltages 1 2 Depositor
16 B phase voltages 1 2 Depositor
17 C phase voltages 1 2 Depositor
18 A phase currents 1 2 Depositor
19 B phase currents 1 2 Depositor
20 C phase currents 1 2 Depositor
21 Frequency (instantaneous value) 1 2 Depositor
22 Power factor (instantaneous value) 1 2 Depositor
Wherein due to alternating current circuit can forward and reverse power transmission, therefore the transmission of electricity direction of specification transmission line of electricity and meter coulant meter The corresponding relation in amount direction is as follows:With bus as object of reference, flow out bus and be designated as forward direction, meter is measured with+A ,+R indicating value;Flow into Bus is designated as reversely, and when reverse, meter is measured with-A ,-R indicating value.
By defining collection capacity order, and specify that position of the collection capacity in ammeter and on the decimal digits that send. Conventional collection information disorder, the skimble-scamble problem of the access lack of standardization, decimal digits of order are solved, electric power is handed between improving transprovincially The standardization of easy data, meeting particularly ultrahigh voltage power company of Utilities Electric Co. carries out automatic data collection, teletransmission to electric energy data Operation, charge calculation with storage, pretreatment, statistical computation analysis, line loss statistical service and support electricity market, auxiliary clothes The growth requirement of other multinomial business such as disbursement and sattlement and economic compensation calculating of being engaged in.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the claims of this case.

Claims (5)

1. a kind of electrical energy metering acquisition system, it is characterised in that:Including electric energy meter, energy harvester, data transmission channel with And data processing main station unit;
Electric energy meter includes main electric energy meter and secondary electric energy meter, main electric energy meter and secondary electric energy meter for the electric flux to same stoichiometric point point Do not measured;
Energy harvester includes main energy harvester and secondary energy harvester, and main energy harvester is electric with main electric energy meter and pair respectively Can table be connected to gather the data of main electric energy meter and secondary electric energy meter, secondary energy harvester respectively with main electric energy meter and pair electric energy meter It is connected to gather the data of main electric energy meter and secondary electric energy meter;
The quantity of data transmission channel is two, and main energy harvester and secondary energy harvester distinguish Jing data transmission channels and number It is connected so as to transfer data to data processing main station unit according to main station unit is processed.
2. electrical energy metering acquisition system according to claim 1, it is characterised in that:Described two data transmission channels point Wei not multi-service transport platform MSTP passage and dispatch data net passage.
3. electrical energy metering acquisition system according to claim 1, it is characterised in that:The main energy harvester distinguishes Jing Multi-service transport platform MSTP passage and dispatch data net passage are connected with data processing main station unit, secondary energy harvester point Other Jing multi-service transport platforms MSTP passage and dispatch data net passage are connected with data processing main station unit.
4. electrical energy metering acquisition system according to claim 1, it is characterised in that:The electric energy meter is with two RS485 communicates the electric energy meter of serial ports.
5. electrical energy metering acquisition system according to claim 4, it is characterised in that:First RS485 of the electric energy meter Communication serial ports is connected with main energy harvester by optical fiber, and the 2nd RS485 communication serial ports of the electric energy meter is by optical fiber and pair Energy harvester connects.
CN201610918172.6A 2016-10-21 2016-10-21 Electric energy quantity metering and collecting system CN106569024A (en)

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Application Number Priority Date Filing Date Title
CN201610918172.6A CN106569024A (en) 2016-10-21 2016-10-21 Electric energy quantity metering and collecting system

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Application Number Priority Date Filing Date Title
CN201610918172.6A CN106569024A (en) 2016-10-21 2016-10-21 Electric energy quantity metering and collecting system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107656116A (en) * 2017-09-15 2018-02-02 国网辽宁省电力有限公司锦州供电公司 The important active and standby metering method of Electricity customers kilowatt-hour meter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201527450U (en) * 2009-09-17 2010-07-14 电子科技大学 A remote electrical energy metering system
CN106018947A (en) * 2016-06-23 2016-10-12 中国南方电网有限责任公司超高压输电公司检修试验中心 Electrical energy metering system and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201527450U (en) * 2009-09-17 2010-07-14 电子科技大学 A remote electrical energy metering system
CN106018947A (en) * 2016-06-23 2016-10-12 中国南方电网有限责任公司超高压输电公司检修试验中心 Electrical energy metering system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107656116A (en) * 2017-09-15 2018-02-02 国网辽宁省电力有限公司锦州供电公司 The important active and standby metering method of Electricity customers kilowatt-hour meter

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