CN107294083A - Load measurement analysis method based on battalion's auxiliary tone insertion - Google Patents
Load measurement analysis method based on battalion's auxiliary tone insertion Download PDFInfo
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- CN107294083A CN107294083A CN201610218271.3A CN201610218271A CN107294083A CN 107294083 A CN107294083 A CN 107294083A CN 201610218271 A CN201610218271 A CN 201610218271A CN 107294083 A CN107294083 A CN 107294083A
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- load
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
Abstract
The present invention relates to a kind of network load analysis technical field, and in particular to a kind of load measurement analysis method based on battalion's auxiliary tone insertion, and step is：(1) device parameter information on circuit is read by dispatching management information system, device status data and each measured data on circuit is read by energy management system, the electric quantity data of equipment on power circuit is read by power grid energy acquisition system；(2) data acquisition and the information gathered in the supervisor control timing extraction first step, by each measured data calculating transformer capacity-load ratio and load factor, line load rate and the line voltage operation level gathered to energy management system, and then obtain powernet network loss；(3) the network loss data that result of calculation is recorded with power network marketing database are compared, determine whether abnormal electricity consumption situation.The present invention can continuously track the load running situation of transmission line of electricity and transformer, realize that network loss, in line computation, effective data source is provided for administrative staff.
Description
Technical field
The present invention relates to a kind of network load analysis technical field, and in particular to a kind of load based on battalion's auxiliary tone insertion is real
Survey analysis method.
Background technology
Electric Power Network Planning load measurement is a complicated arduous system engineering, with scale it is big, be related to that field is wide, participation portion
The features such as door is more, Study on Power Grid Planning work is a complicated system engineering, with data volume is big, uncertain factor is more, relate to
And field is wide and the features such as more new change is fast.Planning design work day-to-day is proposed as planning and development direction for planning
New demand and challenge.
The calculating of current grid net loss is normally based on daily load actual measurement and network loss theoretical calculation, that is, utilizes typical load day
The power network measured data of acquisition, the theoretical calculation of network loss is realized by power network line losses calculation procedure.By being manually entered meter
Calculation machine typical case's daily load data and device parameter are calculated, and this need to be expended considerable time and effort.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to：A kind of load measurement based on battalion's auxiliary tone insertion is provided
Analysis method, can continuously track the load running situation of transmission line of electricity and transformer, realize network loss in line computation, be operation of power networks
Administrative staff's analysis power network provides effective data source.
The technical scheme that the present invention is used by solution its technical problem for：
The load measurement analysis method based on battalion's auxiliary tone insertion, comprises the following steps：
The first step, reads device parameter information on power circuit by dispatching management information system, passes through power network energy
Measure management system and read device status data and each measured data on power circuit, electric power is read by power grid energy acquisition system
The electric quantity data of equipment on circuit；
Second step, data acquisition and the information gathered in the supervisor control timing extraction first step, by power network energy
Each measured data calculating transformer capacity-load ratio and load factor, the line load rate and line voltage operation of buret reason system acquisition
Level, and then obtain powernet network loss；
3rd step, the network loss data that result of calculation is recorded with power network marketing database are compared, exception is determined whether
Electricity consumption situation.
Wherein, preferred scheme is：
In the first step, change if there is circuit and move or breakdown repair, operating personnel are needed by equipment control system
Amended information is sent to new GIS graph datas to power network GIS platform, are generated, new GIS graph datas and equipment become
Dynamic information is sent to marketing database in the lump, and marketing database can obtain equipment transition information in real time, and equipment is obtained in time and is become
The dynamic load variations brought, and the result is compared with online line losses management value, whether there is line fault with auxiliary judgment
Or electricity stealing.
Transformer capacity-load ratio and load factor the expression parameter includes transformer capacity-load ratio, transformer maximum load rate, become
Depressor number of working hours based on maximum load and transformer Rate of average load；The capacity-load ratio of transformer is the important evidence of Electric Power Network Planning,
Transformer capacity-load ratio is represented by
In formula：R represents capacity-load ratio；SeIndication transformer rated capacity；PmaxIndication transformer peak load.
Rational capacity-load ratio is combined with appropriate grid structure, the orderly transfer and guarantee of load during for electric network fault
It is all vital that power network, which is powered,.
The maximum load rate of transformer is represented by：
In formula：βmaxFor transformer maximum load rate；P2maxIndication transformer secondary side load-side peak load；Table
Show load power factor.
The number of working hours based on maximum load of transformer is represented by：
In formula, WBThe electric energy consumed for Circuit Fault on Secondary Transformer load.
It is pointed out that Regulation personnel carry out operation of power networks analysis using the maximum load rate of transformer
When, it is necessary to while using this index of number of working hours based on maximum load, the two, which is combined, could reflect the running situation of transformer.
Simple transformer maximum load rate can not completely reflect the loading condition of transformer, and an obvious example is exactly for agricultural
Load proportion transformer bigger than normal, its extreme peak period load factor is big, and remaining time load rate is all low.
The Rate of average load of transformer is represented by：
In formula：βaveFor transformer Rate of average load；P2iSecondary side load-side is born in each collection period of indication transformer
Lotus；N represents number of days.
The line load rate circuit table up to parameter include circuit maximum load rate, circuit number of working hours based on maximum load and
Circuit Rate of average load；The maximum load rate of circuit is represented by：
In formula：βL, maxFor transmission line of electricity maximum load rate；βLmaxRepresent that transmission line of electricity end secondary side load-side maximum is negative
Lotus；SLRepresent transmission line of electricity nominal transmission capacity.
The number of working hours based on maximum load of circuit is represented by：
In formula, WLThe electric energy consumed for Circuit Fault on Secondary Transformer load.
The Rate of average load of circuit is represented by：
In formula：βL, aveFor transmission line of electricity Rate of average load；PLiRepresent the wattful power of each collection period in transmission line of electricity end
Rate.
The line voltage operation level is carried out according to the different voltage monitoring periods selected under power network different running method
Reaction, typically chooses low ebb (), waist lotus (), (20 points) points of morning peak () and evening peak at 2 points at 14 points at 9 points and is monitored.
The online line losses management method is：
The power at the circuit two ends gathered using power grid energy acquisition system obtains the power attenuation of circuit, utilizes power network energy
Three side power of quantity collection system collection transformer obtain the power attenuation of transformer, to the network loss calculated in every each acquisition interval
Carry out cumulative statistics.
The line loss combination power network GIS platform that power network marketing database is obtained in 3rd step carries out visual presentation,
In power network GIS platform, by the grid equipment in the ID direct correlation power network marketing databases of distribution net equipment, collection is then notified
System obtains the line loss in current line or platform area, carries out visualization and shows.
Compared with prior art, the invention has the advantages that：
The present invention can continuously track the load running situation of transmission line of electricity and transformer, realize network loss in line computation, be electricity
Network operation administrative staff analysis power network provides effective data source.Using the power network resources of power network GIS platform, with reference to telecommunications
Cease gathered data, the visual linear tendency for illustrating line loss.Accurately by passing through energy management system, power grid energy
Acquisition system, power network GIS platform, the insertion of marketing database and mutually call, it is to avoid shadow of the equipment alteration to line loss analyzing
Ring, be that the timely discovery of line facility provides safeguard, by line loss surge detection means, qualified examination platform area line loss is carried out
Detection, timely the abnormal electricity consumption situation such as discovering device failure, stealing electricity, engineering construction, improves the managerial ability of enterprise, simultaneously
Reversely the accuracy of adjusting data is matched somebody with somebody by checking battalion.
Embodiment
The embodiment of the present invention is described further below：
Embodiment 1：
The first step of the present invention, reads device parameter information on power circuit by dispatching management information system, passes through
Energy management system reads device status data and each measured data on power circuit, is read by power grid energy acquisition system
Take the electric quantity data of equipment on power circuit；
Second step, data acquisition and the information gathered in the supervisor control timing extraction first step, by power network energy
Each measured data calculating transformer capacity-load ratio and load factor, the line load rate and line voltage operation of buret reason system acquisition
Level, and then obtain powernet network loss；
3rd step, the network loss data that result of calculation is recorded with power network marketing database are compared, exception is determined whether
Electricity consumption situation.
Wherein, preferred scheme is：
In the first step, change if there is circuit and move or breakdown repair, operating personnel are needed by equipment control system
Amended information is sent to new GIS graph datas to power network GIS platform, are generated, new GIS graph datas and equipment become
Dynamic information is sent to marketing database in the lump, and marketing database can obtain equipment transition information in real time, and equipment is obtained in time and is become
The dynamic load variations brought, and the result is compared with online line losses management value, whether there is line fault with auxiliary judgment
Or electricity stealing.
Transformer capacity-load ratio and load factor the expression parameter includes transformer capacity-load ratio, transformer maximum load rate, become
Depressor number of working hours based on maximum load and transformer Rate of average load；The capacity-load ratio of transformer is the important evidence of Electric Power Network Planning,
Transformer capacity-load ratio is represented by
In formula：R represents capacity-load ratio；SeIndication transformer rated capacity；PmaxIndication transformer peak load.
Rational capacity-load ratio is combined with appropriate grid structure, the orderly transfer and guarantee of load during for electric network fault
It is all vital that power network, which is powered,.
The maximum load rate of transformer is represented by：
In formula：βmaxFor transformer maximum load rate；P2maxIndication transformer secondary side load-side peak load；Table
Show load power factor.
The number of working hours based on maximum load of transformer is represented by：
In formula, WBThe electric energy consumed for Circuit Fault on Secondary Transformer load.
It is pointed out that Regulation personnel carry out operation of power networks analysis using the maximum load rate of transformer
When, it is necessary to while using this index of number of working hours based on maximum load, the two, which is combined, could reflect the running situation of transformer.
Simple transformer maximum load rate can not completely reflect the loading condition of transformer, and an obvious example is exactly for agricultural
Load proportion transformer bigger than normal, its extreme peak period load factor is big, and remaining time load rate is all low.
The Rate of average load of transformer is represented by：
In formula：βaveFor transformer Rate of average load；P2iSecondary side load-side is born in each collection period of indication transformer
Lotus；N represents number of days.
The line load rate circuit table up to parameter include circuit maximum load rate, circuit number of working hours based on maximum load and
Circuit Rate of average load；The maximum load rate of circuit is represented by：
In formula：βL, maxFor transmission line of electricity maximum load rate；PLmaxRepresent that transmission line of electricity end secondary side load-side maximum is negative
Lotus；SLRepresent transmission line of electricity nominal transmission capacity.
The number of working hours based on maximum load of circuit is represented by：
In formula, WLThe electric energy consumed for Circuit Fault on Secondary Transformer load.
The Rate of average load of circuit is represented by：
In formula：βL, aveFor transmission line of electricity Rate of average load；PLiRepresent the wattful power of each collection period in transmission line of electricity end
Rate.
The line voltage operation level is carried out according to the different voltage monitoring periods selected under power network different running method
Reaction, typically chooses low ebb (), waist lotus (), (20 points) points of morning peak () and evening peak at 2 points at 14 points at 9 points and is monitored.
The online line losses management method is：
The power at the circuit two ends gathered using power grid energy acquisition system obtains the power attenuation of circuit, utilizes power network energy
Three side power of quantity collection system collection transformer obtain the power attenuation of transformer, to the network loss calculated in every each acquisition interval
Carry out cumulative statistics.
The line loss combination power network GIS platform that power network marketing database is obtained in 3rd step carries out visual presentation,
In power network GIS platform, by the grid equipment in the ID direct correlation power network marketing databases of distribution net equipment, collection is then notified
System obtains the line loss in current line or platform area, carries out visualization and shows.
Claims (8)
1. a kind of load measurement analysis method based on battalion's auxiliary tone insertion, it is characterised in that comprise the following steps：
The first step, reads device parameter information on power circuit by dispatching management information system, passes through power grid energy pipe
Reason system reads device status data and each measured data on power circuit, and power circuit is read by power grid energy acquisition system
The electric quantity data of upper equipment；
Second step, data acquisition and the information gathered in the supervisor control timing extraction first step, by power grid energy pipe
Manage each measured data calculating transformer capacity-load ratio and load factor, line load rate and line voltage the operation water of system acquisition
It is flat, and then obtain powernet network loss；
3rd step, the network loss data that result of calculation is recorded with power network marketing database are compared, abnormal electricity consumption is determined whether
Situation.
2. the load measurement analysis method according to claim 1 based on battalion's auxiliary tone insertion, it is characterised in that described first
In step, change if there is circuit and move or breakdown repair, operating personnel need to send out amended information by equipment control system
Deliver to power network GIS platform, generate new GIS graph datas, new GIS graph datas and equipment transition information send in the lump to
Marketing database.
3. the load measurement analysis method according to claim 1 based on battalion's auxiliary tone insertion, it is characterised in that the transformation
Device capacity-load ratio and load factor expression parameter include transformer capacity-load ratio, transformer maximum load rate, transformer peak load and utilized
Hourage and transformer Rate of average load.
4. the load measurement analysis method according to claim 1 based on battalion's auxiliary tone insertion, it is characterised in that the circuit
Load factor circuit table includes circuit maximum load rate, circuit number of working hours based on maximum load and circuit Rate of average load up to parameter.
5. the load measurement analysis method according to claim 1 based on battalion's auxiliary tone insertion, it is characterised in that the power network
Voltage operation level is reacted according to the different voltage monitoring periods selected under power network different running method.
6. the load measurement analysis method according to claim 5 based on battalion's auxiliary tone insertion, it is characterised in that the voltage
Monitoring period of time includes low ebb, waist lotus, morning peak and evening peak.
7. the load measurement analysis method according to claim 1 based on battalion's auxiliary tone insertion, it is characterised in that described online
Line losses management method is：
The power at the circuit two ends gathered using power grid energy acquisition system obtains the power attenuation of circuit, is adopted using power grid energy
Three side power of collecting system collection transformer obtain the power attenuation of transformer, and the network loss calculated in every each acquisition interval is carried out
Cumulative statistics.
8. the load measurement analysis method according to claim 1 based on battalion's auxiliary tone insertion, it is characterised in that the described 3rd
The line loss combination power network GIS platform that power network marketing database is obtained in step carries out visual presentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610218271.3A CN107294083A (en) | 2016-04-10 | 2016-04-10 | Load measurement analysis method based on battalion's auxiliary tone insertion |
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| CN201610218271.3A CN107294083A (en) | 2016-04-10 | 2016-04-10 | Load measurement analysis method based on battalion's auxiliary tone insertion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109242270A (en) * | 2018-08-17 | 2019-01-18 | 国网福建省电力有限公司 | Verification method based on battalion's auxiliary tone perforation data |
| CN109756173A (en) * | 2017-11-01 | 2019-05-14 | 中国石油天然气股份有限公司 | The loss analysis method of pumpingh well motor |
| CN111046091A (en) * | 2019-10-24 | 2020-04-21 | 杭州数梦工场科技有限公司 | Operation method, device and equipment of data exchange system |
| CN112308248A (en) * | 2020-11-02 | 2021-02-02 | 国网山东省电力公司滨州市沾化区供电公司 | Monitoring and managing system and method for power transmission line tower |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756173A (en) * | 2017-11-01 | 2019-05-14 | 中国石油天然气股份有限公司 | The loss analysis method of pumpingh well motor |
| CN109756173B (en) * | 2017-11-01 | 2021-01-29 | 中国石油天然气股份有限公司 | Loss analysis method for pumping well motor |
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| CN111046091A (en) * | 2019-10-24 | 2020-04-21 | 杭州数梦工场科技有限公司 | Operation method, device and equipment of data exchange system |
| CN111046091B (en) * | 2019-10-24 | 2023-12-08 | 杭州数梦工场科技有限公司 | Operation method, device and equipment of data exchange system |
| CN112308248A (en) * | 2020-11-02 | 2021-02-02 | 国网山东省电力公司滨州市沾化区供电公司 | Monitoring and managing system and method for power transmission line tower |
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Application publication date: 20171024 |