CN103995962A - Online real-time calculation and analysis method of equipped wire loss - Google Patents
Online real-time calculation and analysis method of equipped wire loss Download PDFInfo
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- CN103995962A CN103995962A CN201410188474.3A CN201410188474A CN103995962A CN 103995962 A CN103995962 A CN 103995962A CN 201410188474 A CN201410188474 A CN 201410188474A CN 103995962 A CN103995962 A CN 103995962A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
According to an online real-time calculation and analysis method of equipped wire loss, read electric quantity calculation and transformer power loss electric quantity calculation are performed, wherein an instrument error between an obtained collected integral point display number and a last integral point display number is multiplied by a multiplying power, and the read electric quantity of a main metering point is calculated; for electricity customers with a metering mode of high-voltage-side power supplying and low-voltage-side metering and without an examination meter on the high voltage side, when integral point electric quantity is calculated, the integral point transformer power loss electric quantity of a transformer is calculated according to user profiles and the type of the transformer based on the integral point read electric quantity; the read electric quantity of the main metering point is calculated according to the display number difference between an obtained collected daily zero point display number and a zero point display number of the last day is multiplied by the multiplying power. The online real-time calculation and analysis method has the advantages that the function of copying and reading data in real time is achieved, and the function becomes an important means for wire loss monitoring and analysis. Important analysis data such as instantaneous magnitude and alarming information are obtained, all system module data are integrated, high-speed calculation of mass data can be conducted independently, and independent marketing wire loss application of the function of an existing system is not affected.
Description
Technical field
The present invention relates to the line loss field of electric system industry, particularly a kind of adapted electric wire damage real-time online computational analysis method.
Background technology
The power network resources such as current transformer station, switch, circuit He Tai district and image data thereof and Monitoring Data are placed in critical point acquisition system, electricity consumption client's power information is placed in electricity consumption acquisition applications, and customer profile and circuit and stoichiometric point relation and user settle accounts electric weight and are placed in sales service application, and calculate line loss by each system according to data separately, fail to realize calculating, the statistics and analysis of the whole network line loss from transformer station to user.
Summary of the invention
The object of the invention is in order to damage by accurate measurement adapted electric wire, spy provides a kind of adapted electric wire to damage real-time online computational analysis method.
The invention provides a kind of adapted electric wire and damage real-time online computational analysis method, it is characterized in that: described adapted electric wire damages real-time online computational analysis method, comprising:
Copy and see electric weight: according to the difference × multiplying power of the collection integral point registration of obtaining and a upper integral point registration, calculate copying of main stoichiometric point (without higher level's stoichiometric point) and see electric weight;
Quantificational electric quantity: quantificational electric quantity=quantitative values × days running/30/24
Note: days running=1
The electric weight of per diem reaching an agreement on: electric weight=quantitative values × days running/24 of per diem reaching an agreement on
Note: days running=1
Loss on transmission electric weight: be for metering method: high for low meter, and the electricity consumption client of table of merit rating is not installed in high-pressure side, due to the electric flux that does not comprise transformer loss in gathered low-pressure side data, line loss electric weight is calculated more in conjunction with actual conditions, need in the time calculate integral point electric weight, copy and see that electric weight is according to files on each of customers and transformer model calculating transformer integral point loss on transmission electric weight according to integral point, and copy and see that electric weight adds and as the electricity sales amount (integral point is copied and seen the storage separately separately of electric weight result) of this integral point with integral point;
Every day, electric weight calculated
Copy see electric weight calculate: according to the collection registration at zero point every day of obtaining and zero point upper one day registration registration poor × multiplying power, calculate copying of main stoichiometric point (without higher level's stoichiometric point) and see electric weight;
Quantificational electric quantity: quantificational electric quantity=quantitative values × days running/30;
Note: days running=1
The electric weight of per diem reaching an agreement on: the electric weight=quantitative values × days running of per diem reaching an agreement on;
Note: days running=1
Loss on transmission electric weight calculates: for metering method be: high for low meter, and the electricity consumption client of table of merit rating is not installed in high-pressure side, due to the electric flux that does not comprise transformer loss in gathered low-pressure side data, line loss electric weight is calculated more in conjunction with actual conditions, need see that according to copying every day electric weight is according to files on each of customers and transformer model calculating transformer loss on transmission every day electric weight when electric weight calculating every day, and see that electric weight adds and as the electricity sales amount (copy every day and see the storage separately separately of electric weight result) of this day with copying every day;
Loss is calculated: active loss=meritorious open circuit loss × 24 × transformer days running+adjusted coefficient K value × (meritorious copying seen electric weight
2+ idle copying seen electric weight
2) × active load loss/(rated capacity 2 × 24 × transformer days running)
Reactive loss=idle open circuit loss × 24 × transformer days running+adjusted coefficient K value × (meritorious copying seen electric weight
2+ idle copying seen electric weight
2) × reactive load loss/(rated capacity 2 × 24 × transformer days running)
Wherein:
Transformer days running=1
Meritorious copying sees that meritorious the copying of the main stoichiometric point in electric weight=same transformer platform area see electric weight sum
Idle copying sees that idle the copying of the main stoichiometric point in electric weight=same transformer platform area see electric weight sum
Idle open circuit loss=rated capacity × no-load current number percent
Reactive load loss=impedance voltage number percent × rated capacity
Adjusted coefficient K value is determined as follows according to operation class system:
According to one class of system 200 hours, two-shift 400 hours, three-shift system 600 hours, corresponding adjusted coefficient K value is respectively 3.6,1.8,1.2;
According to one class of system 240 hours, two-shift 480 hours, three-shift system 720 hours, corresponding adjusted coefficient K value is respectively 3,1.5,1;
Loss is calculated:
Loss is shared: transformer loss electric weight is shown in that by copying of each table electric weight pro rata distribution is to each stoichiometric point;
Note: i=1,2 ..., n-1
According to delivery and the electricity sales amount of the power supply units such as transformer station, 10kV circuit, platform district, year line loss electric weight of statistics power supply unit, line loss per unit, this month line loss per unit, season accumulative total line loss per unit, year add up line loss per unit; With the comparison of circuit line loss plan target, calculate the difference value of actual line loss rate and plan target value;
Carry out determination and analysis according to day, a month cyclic loading, load too high or too low distribution are reported to the police, provide foundation for adjusting transformer or adjusting load;
Current imbalance rate detects to be analyzed: carry out determination and analysis according to day, a month periodic current unbalance factor, the distribution that current imbalance rate is too high is reported to the police, provide foundation for adjusting load;
Power factor detects to be analyzed: power factor is carried out to determination and analysis according to day, month cycle, the distribution that power factor is too low is reported to the police, provide foundation for adjusting reactive-load compensation;
Line loss data check analysis: whether technical loss and the check analysis of managing line loss, day line loss and month line loss identical period or different cycles line losses indices, exist line loss abnormal for differentiating.
Advantage of the present invention:
Adapted electric wire of the present invention damages real-time online computational analysis method, the data function of copy reading in real time, and this function has become the important means of line loss monitoring, analysis.Basis electric weight no longer only obtains by the person of checking meter, but also integrated information can be provided, and obtains the important analysis data such as instantaneous flow, warning information.The powerful quantity of information of electric energy metering automation can meet quartile completely and damage the needed data of management.10kV and following distribution network, along with the application that deepens constantly of acquisition system, for line loss management provides necessary means, be therefore necessary that marketing system and the electric energy acquisition system based on concentrated carried out the construction of line loss management system of local electric network.Accomplish the integration of data, realized calculating, the statistics and analysis of the whole network line loss from transformer station to user.Integrated each system module data also can independently be carried out the high-speed computation of mass data, and do not affect independent battalion's cordon damage application of existing system function.
Brief description of the drawings
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is transformer station's evaluation module schematic diagram;
Fig. 2 is progress control workflow schematic diagram.
Embodiment
Embodiment
The present embodiment provides a kind of adapted electric wire to damage real-time online computational analysis method, it is characterized in that: described adapted electric wire damages real-time online computational analysis method, comprising:
Copy and see electric weight: according to the difference × multiplying power of the collection integral point registration of obtaining and a upper integral point registration, calculate copying of main stoichiometric point (without higher level's stoichiometric point) and see electric weight;
Quantificational electric quantity: quantificational electric quantity=quantitative values × days running/30/24
Note: days running=1
The electric weight of per diem reaching an agreement on: electric weight=quantitative values × days running/24 of per diem reaching an agreement on
Note: days running=1
Loss on transmission electric weight: be for metering method: high for low meter, and the electricity consumption client of table of merit rating is not installed in high-pressure side, due to the electric flux that does not comprise transformer loss in gathered low-pressure side data, line loss electric weight is calculated more in conjunction with actual conditions, need in the time calculate integral point electric weight, copy and see that electric weight is according to files on each of customers and transformer model calculating transformer integral point loss on transmission electric weight according to integral point, and copy and see that electric weight adds and as the electricity sales amount (integral point is copied and seen the storage separately separately of electric weight result) of this integral point with integral point;
Every day, electric weight calculated
Copy see electric weight calculate: according to the collection registration at zero point every day of obtaining and zero point upper one day registration registration poor × multiplying power, calculate copying of main stoichiometric point (without higher level's stoichiometric point) and see electric weight;
Quantificational electric quantity: quantificational electric quantity=quantitative values × days running/30;
Note: days running=1
The electric weight of per diem reaching an agreement on: the electric weight=quantitative values × days running of per diem reaching an agreement on;
Note: days running=1
Loss on transmission electric weight calculates: for metering method be: high for low meter, and the electricity consumption client of table of merit rating is not installed in high-pressure side, due to the electric flux that does not comprise transformer loss in gathered low-pressure side data, line loss electric weight is calculated more in conjunction with actual conditions, need see that according to copying every day electric weight is according to files on each of customers and transformer model calculating transformer loss on transmission every day electric weight when electric weight calculating every day, and see that electric weight adds and as the electricity sales amount (copy every day and see the storage separately separately of electric weight result) of this day with copying every day;
Loss is calculated: active loss=meritorious open circuit loss × 24 × transformer days running+adjusted coefficient K value × (meritorious copying seen electric weight
2+ idle copying seen electric weight
2) × active load loss/(rated capacity 2 × 24 × transformer days running)
Reactive loss=idle open circuit loss × 24 × transformer days running+adjusted coefficient K value × (meritorious copying seen electric weight
2+ idle copying seen electric weight
2) × reactive load loss/(rated capacity 2 × 24 × transformer days running)
Wherein:
Transformer days running=1
Meritorious copying sees that meritorious the copying of the main stoichiometric point in electric weight=same transformer platform area see electric weight sum
Idle copying sees that idle the copying of the main stoichiometric point in electric weight=same transformer platform area see electric weight sum
Idle open circuit loss=rated capacity × no-load current number percent
Reactive load loss=impedance voltage number percent × rated capacity
Adjusted coefficient K value is determined as follows according to operation class system:
According to one class of system 200 hours, two-shift 400 hours, three-shift system 600 hours, corresponding adjusted coefficient K value is respectively 3.6,1.8,1.2;
According to one class of system 240 hours, two-shift 480 hours, three-shift system 720 hours, corresponding adjusted coefficient K value is respectively 3,1.5,1;
Loss is calculated:
Loss is shared: transformer loss electric weight is shown in that by copying of each table electric weight pro rata distribution is to each stoichiometric point;
Note: i=1,2 ..., n-1
According to delivery and the electricity sales amount of the power supply units such as transformer station, 10kV circuit, platform district, year line loss electric weight of statistics power supply unit, line loss per unit, this month line loss per unit, season accumulative total line loss per unit, year add up line loss per unit; With the comparison of circuit line loss plan target, calculate the difference value of actual line loss rate and plan target value;
Carry out determination and analysis according to day, a month cyclic loading, load too high or too low distribution are reported to the police, provide foundation for adjusting transformer or adjusting load;
Current imbalance rate detects to be analyzed: carry out determination and analysis according to day, a month periodic current unbalance factor, the distribution that current imbalance rate is too high is reported to the police, provide foundation for adjusting load;
Power factor detects to be analyzed: power factor is carried out to determination and analysis according to day, month cycle, the distribution that power factor is too low is reported to the police, provide foundation for adjusting reactive-load compensation;
Line loss data check analysis: whether technical loss and the check analysis of managing line loss, day line loss and month line loss identical period or different cycles line losses indices, exist line loss abnormal for differentiating.
According to transformer station, 10kV circuit, the integral point electric weight of the power supply units such as platform district and every day electric weight, the day line loss electric weight of a statistics power supply unit, line loss per unit, day is line loss electric weight and comprehensive line loss per unit comprehensively, simultaneously according to the image data statistics gatherer coverage rate of each power supply unit and the real rate of copying of collection, and add up the line loss electric weight of each integral point of appointed day and gather the real rate of copying, and can with the day before yesterday, last month or the same period etc. compare, can add up the electricity sales amount of each integral point of appointed day of stoichiometric point under power supply unit simultaneously, line loss electric weight, and also can with the day before yesterday, last month or the same period etc. compare.Can be used for load analysis or line loss is verified extremely.
Real-time copy reading data function, this function has become the important means of line loss monitoring, analysis.Basis electric weight no longer only obtains by the person of checking meter, but also integrated information can be provided, and obtains the important analysis data such as instantaneous flow, warning information.The powerful quantity of information of electric energy metering automation can meet quartile completely and damage the needed data of management.10kV and following distribution network, along with the application that deepens constantly of acquisition system, for line loss management provides necessary means, be therefore necessary that marketing system and the electric energy acquisition system based on concentrated carried out the construction of line loss management system of local electric network.Accomplish the integration of data, realized calculating, the statistics and analysis of the whole network line loss from transformer station to user.Integrated each system module data also can independently be carried out the high-speed computation of mass data, and do not affect independent battalion's cordon damage application of existing system function.
According to comparison current and accumulative total actual track line loss per unit and plan target value, with the comparison of the line loss per unit same period, sort by the size of circuit line loss per unit, filter out abnormal circuit.Concrete screening analyze content comprise delivery, electricity sales amount, loss electric weight, line loss per unit, line loss per unit index, with index comparing difference value, with index relatively lose electric weight difference value, with the same period comparing difference value, with wall losses comparision of quantity of electricity difference value.
To abnormal data can initiate promise breaking electricity consumption to sales service application, application is processed in stealing, power utility check application or submit technological transformation suggestion etc. to production system, and can detect the result of application.
Claims (2)
1. adapted electric wire damages a real-time online computational analysis method, it is characterized in that: described adapted electric wire damages real-time online computational analysis method, comprising:
Copy and see electric weight: according to the difference × multiplying power of the collection integral point registration of obtaining and a upper integral point registration, calculate copying of main stoichiometric point (without higher level's stoichiometric point) and see electric weight;
Quantificational electric quantity: quantificational electric quantity=quantitative values × days running/30/24
Note: days running=1
The electric weight of per diem reaching an agreement on: electric weight=quantitative values × days running/24 of per diem reaching an agreement on
Note: days running=1
Loss on transmission electric weight: be for metering method: high for low meter, and the electricity consumption client of table of merit rating is not installed in high-pressure side, due to the electric flux that does not comprise transformer loss in gathered low-pressure side data, line loss electric weight is calculated more in conjunction with actual conditions, need in the time calculate integral point electric weight, copy and see that electric weight is according to files on each of customers and transformer model calculating transformer integral point loss on transmission electric weight according to integral point, and copy and see that electric weight adds and as the electricity sales amount (integral point is copied and seen the storage separately separately of electric weight result) of this integral point with integral point;
Every day, electric weight calculated
Copy see electric weight calculate: according to the collection registration at zero point every day of obtaining and zero point upper one day registration registration poor × multiplying power, calculate copying of main stoichiometric point (without higher level's stoichiometric point) and see electric weight;
Quantificational electric quantity: quantificational electric quantity=quantitative values × days running/30;
Note: days running=1
The electric weight of per diem reaching an agreement on: the electric weight=quantitative values × days running of per diem reaching an agreement on;
Note: days running=1
Loss on transmission electric weight calculates: for metering method be: high for low meter, and the electricity consumption client of table of merit rating is not installed in high-pressure side, due to the electric flux that does not comprise transformer loss in gathered low-pressure side data, line loss electric weight is calculated more in conjunction with actual conditions, need see that according to copying every day electric weight is according to files on each of customers and transformer model calculating transformer loss on transmission every day electric weight when electric weight calculating every day, and see that electric weight adds and as the electricity sales amount (copy every day and see the storage separately separately of electric weight result) of this day with copying every day.
2. damage real-time online computational analysis method according to adapted electric wire claimed in claim 1, it is characterized in that: also comprise loss calculating: active loss=meritorious open circuit loss × 24 × transformer days running+adjusted coefficient K value × (meritorious copying seen electric weight
2+ idle copying seen electric weight
2) × active load loss/rated capacity 2 × 24 × transformer days running
Reactive loss=idle open circuit loss × 24 × transformer days running+adjusted coefficient K value × (meritorious copying seen electric weight
2+ idle copying seen electric weight
2) × reactive load loss/(rated capacity 2 × 24 × transformer days running)
Wherein:
Transformer days running=1
Meritorious copying sees that meritorious the copying of the main stoichiometric point in electric weight=same transformer platform area see electric weight sum
Idle copying sees that idle the copying of the main stoichiometric point in electric weight=same transformer platform area see electric weight sum
Idle open circuit loss=rated capacity × no-load current number percent
Reactive load loss=impedance voltage number percent × rated capacity
Adjusted coefficient K value is determined as follows according to operation class system:
According to one class of system 200 hours, two-shift 400 hours, three-shift system 600 hours, corresponding adjusted coefficient K value is respectively 3.6,1.8,1.2;
According to one class of system 240 hours, two-shift 480 hours, three-shift system 720 hours, corresponding adjusted coefficient K value is respectively 3,1.5,1;
Loss is calculated:
Loss is shared: transformer loss electric weight is shown in that by copying of each table electric weight pro rata distribution is to each stoichiometric point;
Note: i=1,2 ..., n-1
According to delivery and the electricity sales amount of the power supply units such as transformer station, 10kV circuit, platform district, year line loss electric weight of statistics power supply unit, line loss per unit, this month line loss per unit, season accumulative total line loss per unit, year add up line loss per unit; With the comparison of circuit line loss plan target, calculate the difference value of actual line loss rate and plan target value;
Carry out determination and analysis according to day, a month cyclic loading, load too high or too low distribution are reported to the police, provide foundation for adjusting transformer or adjusting load;
Current imbalance rate detects to be analyzed: carry out determination and analysis according to day, a month periodic current unbalance factor, the distribution that current imbalance rate is too high is reported to the police, provide foundation for adjusting load;
Power factor detects to be analyzed: power factor is carried out to determination and analysis according to day, month cycle, the distribution that power factor is too low is reported to the police, provide foundation for adjusting reactive-load compensation;
Line loss data check analysis: whether technical loss and the check analysis of managing line loss, day line loss and month line loss identical period or different cycles line losses indices, exist line loss abnormal for differentiating.
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| CN201410188474.3A CN103995962A (en) | 2014-05-06 | 2014-05-06 | Online real-time calculation and analysis method of equipped wire loss |
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| CN201410188474.3A CN103995962A (en) | 2014-05-06 | 2014-05-06 | Online real-time calculation and analysis method of equipped wire loss |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105242086A (en) * | 2015-10-22 | 2016-01-13 | 国家电网公司 | Commercial user power consumption analysis and management system |
| CN105301421A (en) * | 2015-11-27 | 2016-02-03 | 北京中电普华信息技术有限公司 | Parallel period line loss measurement platform and method |
| CN105976088A (en) * | 2016-04-27 | 2016-09-28 | 北京科东电力控制系统有限责任公司 | Marketing remote real-time cost control application operation analysis and monitoring method |
| CN106229969A (en) * | 2014-09-12 | 2016-12-14 | 国网安徽省电力公司电力科学研究院 | Electric network element based on cumulative statistics line loss per unit loss abnormality judgment method |
| CN106950440A (en) * | 2017-02-14 | 2017-07-14 | 国网新疆电力公司伊犁供电公司 | Transformer station's metering critical point quickly judges alarm method extremely |
| CN107247737A (en) * | 2017-05-10 | 2017-10-13 | 国家电网公司 | Platform area promise breaking electrical energy consumption analysis and method for digging based on power consumption |
| CN109191330A (en) * | 2018-09-25 | 2019-01-11 | 深圳供电局有限公司 | Line loss electricity calculates method, apparatus, computer equipment and storage medium |
| CN109217303A (en) * | 2018-10-15 | 2019-01-15 | 国网重庆市电力公司长寿供电分公司 | Copy the power distribution station the 10kV theoretical line loss caluclation method of electricity in fact based on distribution transformer secondary side |
| CN109242722A (en) * | 2018-09-14 | 2019-01-18 | 国网河北省电力有限公司电力科学研究院 | Platform area line loss on-line monitoring method, system and terminal device |
| CN109683059A (en) * | 2018-12-30 | 2019-04-26 | 国网北京市电力公司 | Determine method and device, the storage medium, processor of line loss exception |
| CN110596540A (en) * | 2019-10-08 | 2019-12-20 | 国网河南省电力公司电力科学研究院 | Electric quantity abnormity online analysis and detection method and device based on real-time data driving |
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| CN111461577A (en) * | 2020-04-28 | 2020-07-28 | 广东电网有限责任公司惠州供电局 | Line loss calculation method, device, equipment and storage medium |
| CN112258007A (en) * | 2020-10-16 | 2021-01-22 | 国家电网有限公司 | Distribution transformer capacity-based method for quantizing synchronous line loss cost of power distribution network |
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| CN106229969B (en) * | 2014-09-12 | 2019-06-28 | 国网安徽省电力公司电力科学研究院 | Abnormality judgment method is lost in electric network element based on cumulative statistics line loss per unit |
| CN105242086A (en) * | 2015-10-22 | 2016-01-13 | 国家电网公司 | Commercial user power consumption analysis and management system |
| CN105301421B (en) * | 2015-11-27 | 2018-04-27 | 北京中电普华信息技术有限公司 | A kind of same period line loss measuring table and method |
| CN105301421A (en) * | 2015-11-27 | 2016-02-03 | 北京中电普华信息技术有限公司 | Parallel period line loss measurement platform and method |
| CN105976088A (en) * | 2016-04-27 | 2016-09-28 | 北京科东电力控制系统有限责任公司 | Marketing remote real-time cost control application operation analysis and monitoring method |
| CN106950440B (en) * | 2017-02-14 | 2019-08-13 | 国网新疆电力公司伊犁供电公司 | Substation's metering critical point is abnormal quickly to judge alarm method |
| CN106950440A (en) * | 2017-02-14 | 2017-07-14 | 国网新疆电力公司伊犁供电公司 | Transformer station's metering critical point quickly judges alarm method extremely |
| CN107247737A (en) * | 2017-05-10 | 2017-10-13 | 国家电网公司 | Platform area promise breaking electrical energy consumption analysis and method for digging based on power consumption |
| CN107247737B (en) * | 2017-05-10 | 2018-12-11 | 国家电网公司 | The analysis of platform area default electricity use and method for digging based on electricity consumption |
| CN109242722B (en) * | 2018-09-14 | 2020-10-09 | 国网河北省电力有限公司电力科学研究院 | Online monitoring method and system for line loss of transformer area and terminal equipment |
| CN109242722A (en) * | 2018-09-14 | 2019-01-18 | 国网河北省电力有限公司电力科学研究院 | Platform area line loss on-line monitoring method, system and terminal device |
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| CN109217303B (en) * | 2018-10-15 | 2021-11-02 | 国网重庆市电力公司长寿供电分公司 | 10kV distribution transformer area theoretical line loss calculation method based on secondary side real-time electricity reading quantity of distribution transformer |
| CN109683059B (en) * | 2018-12-30 | 2021-06-22 | 国网北京市电力公司 | Method and device for determining line loss abnormity, storage medium and processor |
| CN109683059A (en) * | 2018-12-30 | 2019-04-26 | 国网北京市电力公司 | Determine method and device, the storage medium, processor of line loss exception |
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| CN110827013A (en) * | 2019-10-30 | 2020-02-21 | 深圳供电局有限公司 | Method and system for settling small micro-load electric quantity in suspension and volume reduction transformer |
| CN110827013B (en) * | 2019-10-30 | 2023-08-22 | 深圳供电局有限公司 | Settlement method and system for small micro-load electric quantity in suspension and volume reduction transformer |
| CN111461577A (en) * | 2020-04-28 | 2020-07-28 | 广东电网有限责任公司惠州供电局 | Line loss calculation method, device, equipment and storage medium |
| CN112258007A (en) * | 2020-10-16 | 2021-01-22 | 国家电网有限公司 | Distribution transformer capacity-based method for quantizing synchronous line loss cost of power distribution network |
| CN112258007B (en) * | 2020-10-16 | 2023-11-10 | 国家电网有限公司 | Power distribution network synchronous line loss cost quantification method based on distribution transformer capacity |
| CN114113778A (en) * | 2021-10-19 | 2022-03-01 | 黄兵 | Metering big data calculation method of big data system of electric energy data management platform |
| CN115473216A (en) * | 2022-05-31 | 2022-12-13 | 云南电网有限责任公司 | Method and system for improving line loss calculation of power grid |
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