CN105553098A - Electric energy essential data synchronization processing method and system for power grid loss metering - Google Patents
Electric energy essential data synchronization processing method and system for power grid loss metering Download PDFInfo
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Abstract
The invention relates to an electric energy essential data synchronization processing method and system for power grid loss metering, and the method comprises the steps: sending a metering accumulation starting instruction to all metering point terminals through a main station system; enabling each piece of metering point terminal equipment to start to record the power utilization calculation parameter values measured by the corresponding measurement points in an accumulative manner and to periodically store the corresponding power utilization calculation parameter values when the metering point terminal equipment receives the metering accumulation starting instruction; enabling each piece of metering point terminal equipment to upload the stored power utilization calculation parameter values to the main station system, wherein the power utilization calculation parameter values received by the main station system are the electric energy essential data for power grid loss metering. According to the scheme of the invention, the method can enable the metering data, participating the calculation of power grid loss metering, of all equipment not to be related with the calendar time of the equipment, guarantees the consistency of starting and ending of the metering of the electric energy essential data, and can improve the calculation and analysis accuracy of power grid loss metering.
Description
Technical field
The present invention relates to grid loss metering field, particularly relate to a kind of electric energy basic data synchronization processing method for grid loss metering and system.
Background technology
Grid loss metering is the core missions of power grid enterprises' energy-saving and emission-reduction, relates to multiple specialty and the departments such as planning construction, production, marketing, operation, has professional and feature that is integrated system.
The proportion of goods damageds of electrical network are the ratios of loss of electricity and amount of power supply, according to the theory calculate mode of grid loss, loss of electricity obtains by carrying out statistics to operation of power networks data and electric energy basic data, and the electric energy basic data participating in calculating derives from the different collecting device of different stoichiometric point.Electrical network electric energy loss computational analysis requires that again electric energy basic data measures the consistency of start-stop, but due to different stoichiometric point different collecting devices between self clock there is error, have influence on the consistency of electric energy basic data metering start-stop, cause electrical network electric energy loss computational analysis accuracy to there is certain error.
Summary of the invention
The object of the present invention is to provide a kind of electric energy basic data synchronization processing method for grid loss metering and system, each equipment continuous data and equipment self calendar time that can realize participation electrical network electric energy loss calculating have nothing to do, ensure that the consistency of electric energy basic data metering start-stop, electrical network electric energy loss computational analysis accuracy can be improved.
Object of the present invention is achieved through the following technical solutions
For an electric energy basic data synchronization processing method for grid loss metering, comprise the steps:
The accumulative initial order of metering is initiated to each stoichiometric point terminal equipment by main station system;
By each described stoichiometric point terminal equipment respectively when receiving described metering and adding up initial order, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value;
Respectively stored electricity consumption calculating parameter value is reported described main station system by each described stoichiometric point terminal equipment, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering.
For an electric energy basic data System of Synchronous Processing for grid loss metering, comprising:
Be configured in the Web server of main station system side, for initiating the accumulative initial order of metering to each stoichiometric point terminal equipment;
Respectively be configured in the acquisition server of stoichiometric point terminal equipment side, for respectively each described stoichiometric point terminal equipment receive described metering add up initial order time, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value, respectively stored electricity consumption calculating parameter value is reported described main station system, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering.
According to the scheme of the invention described above, it initiates the accumulative initial order of metering by main station system to each stoichiometric point terminal equipment, by each described stoichiometric point terminal equipment respectively when receiving described metering and adding up initial order, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value, respectively stored electricity consumption calculating parameter value is reported described main station system by each described stoichiometric point terminal equipment, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering, because different terminals collecting device image data markers in this programme initiates to open only metering by main station system is unified, with the time correlation of main station system triggering tasks record, and have nothing to do with terminal acquisition self calendar time, ensure that the consistency of electric energy basic data metering start-stop, electrical network electric energy loss computational analysis accuracy can be improved.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the electric energy basic data synchronization processing method embodiment for grid loss metering of the present invention;
Fig. 2 is the logical schematic of the electric energy basic data synchronization processing method embodiment for grid loss metering of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein only in order to explain the present invention, do not limit protection scope of the present invention.
In the following description, first the embodiment for the electric energy basic data synchronization processing method for grid loss metering of the present invention is described, then is described each embodiment of the electric energy basic data System of Synchronous Processing for grid loss metering of the present invention.
Shown in Figure 1, be the schematic flow sheet of the electric energy basic data synchronization processing method embodiment for grid loss metering of the present invention.As shown in Figure 1, the electric energy basic data synchronization processing method for grid loss metering in the present embodiment comprises the steps:
Step S101: initiate the accumulative initial order of metering to each stoichiometric point terminal equipment by main station system;
Step S102: by each described stoichiometric point terminal equipment respectively when receiving described metering and adding up initial order, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value;
Step S103: respectively stored electricity consumption calculating parameter value is reported described main station system by each described stoichiometric point terminal equipment, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering.
Accordingly, according to the scheme of above-described embodiment, it initiates the accumulative initial order of metering by main station system to each stoichiometric point terminal equipment, by each described stoichiometric point terminal equipment respectively when receiving described metering and adding up initial order, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value, respectively stored electricity consumption calculating parameter value is reported described main station system by each described stoichiometric point terminal equipment, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering, because different terminals collecting device image data markers in this programme initiates to open only metering by main station system is unified, with the time correlation of main station system triggering tasks record, and have nothing to do with terminal acquisition self calendar time, ensure that the consistency of electric energy basic data metering start-stop, electrical network electric energy loss computational analysis accuracy can be improved.
Shown in Figure 2, be the logical schematic that scheme in above-described embodiment realizes.Main station system can and multiple stoichiometric point terminal equipment between carry out transfer of data, each stoichiometric point terminal equipment again can to there being multiple measurement point.The accumulative initial order of metering is initiated by main station system, consider the restriction of the memory space of each stoichiometric point terminal equipment, and the conforming requirement of electric energy basic data metering start-stop, the initiation process of the accumulative initial order of metering is periodically carried out, particularly, metering accumulative initial order can be initiated according to the instruction cycles the preset cycle of initiating to each stoichiometric point terminal equipment by main station system.Wherein, the length that instruction cycles initiates the cycle can set according to actual needs or adjust, and such as, can be set to one week (7 days).
Each described stoichiometric point terminal equipment, respectively when receiving described metering and adding up initial order, starts the electricity consumption calculating parameter value of the measurement point measurement of each correspondence of bulk registration, and periodically stores corresponding electricity consumption calculating parameter value; The cycle length storing electricity consumption calculating parameter value can set according to actual conditions, such as, set according to the memory space of each stoichiometric point terminal equipment.Preferably mode is, within every 900 seconds, stores an electricity consumption calculating parameter value.
The electricity consumption calculating parameter value of each measurement point of correspondence is reported described main station system by each described stoichiometric point terminal equipment respectively, and the electricity consumption calculating parameter value that described main station system receives is as the electric energy basic data of measuring for grid loss.
Wherein in an embodiment, it is optimum rank communication instruction between described main station system and each described stoichiometric point terminal equipment that described metering adds up initial order.Like this, described main station system and each described stoichiometric point terminal equipment all carry out in the very first time execution that this metering adds up initial order, ensure that this metering adds up initial order task and can arrange with peak efficiency.
Wherein in an embodiment, between described main station system and each described stoichiometric point terminal equipment, multiple channel communication mode or primary channel communication modes is adopted to carry out communication.Like this, can ensure that alternate channel (other communication channels) can substitute in time in time breaking down in main channel (Current communications passage), ensure that data are normally mutual.
Wherein in an embodiment, GPRS (GeneralPacketRadioService is adopted between described main station system and each described stoichiometric point terminal equipment, general packet radio service technology) dedicated network, Ethernet carry out transfer of data, data communication reliability and stability can be improved, to the accuracy of subsequent data acquisition and real-time, there is key effect.
Considering can because some factors causes communication failure between main station system and each stoichiometric point terminal equipment, wherein in an embodiment, describedly respectively the process that stored electricity consumption calculating parameter value reports described main station system can be comprised step by each described stoichiometric point terminal equipment: by institute's bulk registration in current report cycle and the electricity consumption calculating parameter value stored reports described main station system after current stoichiometric point terminal equipment communication recovers, and will to store in other report cycles and the electricity consumption calculating parameter value complement do not reported offers described main station system.Here communication recovers normal communication after recovering to refer to and occurring communication failure between current stoichiometric point terminal equipment and main station system again.Current stoichiometric point terminal equipment refers to any one in above-mentioned each stoichiometric point terminal equipment.Meanwhile, fault log recording can also be carried out, so that carry out accident analysis.
Correspondingly, grid loss data time synchronous method wherein in an embodiment, step can also be comprised: the communication state of described main station system and each described stoichiometric point terminal equipment is detected, if after detecting that the communication of current stoichiometric point terminal equipment and described main station system recovers, issue the trick again of recruiting read command to carry out electricity consumption calculating parameter value to described current stoichiometric point terminal equipment and read.
Grid loss data time synchronous method wherein in an embodiment, step can also be comprised: the data message comprising electricity consumption calculating parameter value of each described stoichiometric point terminal equipment is verified, if the data message authentication failed of current stoichiometric point terminal equipment, issue the trick again of recruiting read command to carry out electricity consumption calculating parameter value to described current stoichiometric point terminal equipment and read.Adopt the scheme in the present embodiment, the accuracy of the electric energy basic data for grid loss metering can be improved.
Grid loss data time synchronous method wherein in an embodiment, step can also be comprised: needs contrast with reference to the data message comprising electricity consumption calculating parameter value of local computer time to each described stoichiometric point terminal equipment, if data message time delay exceedes the threshold value of setting, then revise data message sending the time according to the local computer time.Adopt the scheme in the present embodiment, can ensure to send the time consistent with the real time as far as possible.
In addition, the up stipulations of current stoichiometric point terminal equipment generally adopt " Guangdong Large Customer Power Load Management System communication protocol ", need newly to add data item in these stipulations to realize above function.
One, master station acquires frame (Frame of the accumulative initial order of carrying metering)
Data item is numbered: 8810;
Function: main website arranges terminal to terminal request and adds up initial time;
Control code: C=05H;
Data length: L=01H+n (control of authority length)+m (data items length)
Frame format:
Two, terminal/front end processor acknowledgement frame (Frame of carrying electricity consumption calculating parameter value)
Function: terminal/front end processor response main station system parameters request
Control code: C=85H Echo Frame
Data length: L=01H+m (reply data length)
Frame format:
Three, main website technical parameter:
1, data accuracy
Ins and outs data: precision needs consistent with phenotype actual ammeter ins and outs scale.
Instantaneous flow data: the scales such as voltage (V), electric current (A), active power (kW), reactive power (kVA), power factor need consistent with phenotype actual ammeter ins and outs scale.
Electric quantity data: unit gains merit kWh, scope [1,99999999]; Idle kVarh, scope [1,99999999]
2, performance characteristics
Computer system data disposal ability is maximum can to 100000 points, and wherein calculation level can reach 500000.
Data acquisition subsystem CPU average load (access point≤5000)≤30%;
Data administration subsystem CPU average load (under normal operation)≤30%;
Data acquisition subsystem CPU average load (under accident ruuning situation)≤50%;
Data administration subsystem CPU average load (under accident ruuning situation)≤50%;
Web system CPU average load (under normal operation)≤30%;
Average response time≤5 second of online information retrieval data;
The ability of the data that can gather 5000 pieces of tables is possessed in 10 minutes when tunnel condition is good;
The average online rate (under normal operation) >=95% of GPRS/CDMA passage.
According to the electric energy basic data synchronization processing method for grid loss metering of the invention described above, the present invention also provides a kind of electric energy basic data System of Synchronous Processing for grid loss metering, and just the embodiment of the electric energy basic data System of Synchronous Processing for grid loss metering of the present invention is described in detail below.
The electric energy basic data System of Synchronous Processing for grid loss metering of an embodiment, comprising:
Be configured in the Web server of main station system side, for initiating the accumulative initial order of metering to each stoichiometric point terminal equipment;
Respectively be configured in the acquisition server of stoichiometric point terminal equipment side, for respectively each described stoichiometric point terminal equipment receive described metering add up initial order time, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value, respectively stored electricity consumption calculating parameter value is reported described main station system, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering.
Electric energy basic data System of Synchronous Processing for grid loss metering of the present invention and the electric energy basic data synchronization processing method one_to_one corresponding measured for grid loss of the present invention, above-mentioned for grid loss metering electric energy basic data synchronization processing method embodiment set forth technical characteristic and beneficial effect be all applicable to for grid loss metering electric energy basic data System of Synchronous Processing embodiment in, hereby state.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1., for an electric energy basic data synchronization processing method for grid loss metering, it is characterized in that, comprise the steps:
The accumulative initial order of metering is initiated to each stoichiometric point terminal equipment by main station system;
By each described stoichiometric point terminal equipment respectively when receiving described metering and adding up initial order, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value;
Respectively stored electricity consumption calculating parameter value is reported described main station system by each described stoichiometric point terminal equipment, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering.
2. the electric energy basic data synchronization processing method for grid loss metering according to claim 1, is characterized in that, it is optimum rank communication instruction between described main station system and each described stoichiometric point terminal equipment that described metering adds up initial order.
3. grid loss data time synchronous method according to claim 1, is characterized in that, adopts multiple channel communication mode or primary channel communication modes to carry out communication between described main station system and each described stoichiometric point terminal equipment.
4. grid loss data time synchronous method according to claim 1, is characterized in that, adopts GPRS dedicated network, Ethernet to carry out transfer of data between described main station system and each described stoichiometric point terminal equipment.
5. grid loss data time synchronous method according to claim 1, is characterized in that, describedly respectively the process that stored electricity consumption calculating parameter value reports described main station system is comprised step by each described stoichiometric point terminal equipment:
By institute's bulk registration in current report cycle and the electricity consumption calculating parameter value stored reports described main station system after current stoichiometric point terminal equipment communication recovers, and will to store in other report cycles and the electricity consumption calculating parameter value complement do not reported offers described main station system.
6. grid loss data time synchronous method according to claim 1, is characterized in that, the described process initiating the accumulative initial order of metering to each stoichiometric point terminal equipment by main station system comprises step:
The accumulative initial order of metering is initiated according to the instruction cycles the preset cycle of initiating to each stoichiometric point terminal equipment by main station system.
7. grid loss data time synchronous method according to claim 1, is characterized in that, also comprise step:
The data message comprising electricity consumption calculating parameter value of each described stoichiometric point terminal equipment is verified, if the data message authentication failed of current stoichiometric point terminal equipment, issue the trick again of recruiting read command to carry out electricity consumption calculating parameter value to described current stoichiometric point terminal equipment and read.
8. grid loss data time synchronous method according to claim 1, is characterized in that, also comprise step:
The communication state of described main station system and each described stoichiometric point terminal equipment is detected, if after detecting that the communication of current stoichiometric point terminal equipment and described main station system recovers, issue the trick again of recruiting read command to carry out electricity consumption calculating parameter value to described current stoichiometric point terminal equipment and read.
9. grid loss data time synchronous method according to claim 1, is characterized in that, also comprise step:
Need to contrast with reference to the data message comprising electricity consumption calculating parameter value of local computer time to each described stoichiometric point terminal equipment, if data message time delay exceedes the threshold value of setting, then revise data message sending the time according to the local computer time.
10., for an electric energy basic data System of Synchronous Processing for grid loss metering, it is characterized in that, comprising:
Be configured in the Web server of main station system side, for initiating the accumulative initial order of metering to each stoichiometric point terminal equipment;
Respectively be configured in the acquisition server of stoichiometric point terminal equipment side, for respectively each described stoichiometric point terminal equipment receive described metering add up initial order time, the electricity consumption calculating parameter value that the measurement point starting each correspondence of bulk registration is measured, and periodically store corresponding electricity consumption calculating parameter value, respectively stored electricity consumption calculating parameter value is reported described main station system, the electricity consumption calculating parameter value that described main station system receives is the electric energy basic data for grid loss metering.
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| CN111507619A (en) * | 2020-04-16 | 2020-08-07 | 天津市中力神盾电子科技有限公司 | Power distribution loop power loss diagnosis method and device |
| CN114554311A (en) * | 2022-01-17 | 2022-05-27 | 深圳拓邦股份有限公司 | Energy accumulation method for lighting lamp |
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