CN104880601B - A kind of low-voltage customer low-voltage investigation method based on normal distribution statistical - Google Patents
A kind of low-voltage customer low-voltage investigation method based on normal distribution statistical Download PDFInfo
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- CN104880601B CN104880601B CN201410701379.9A CN201410701379A CN104880601B CN 104880601 B CN104880601 B CN 104880601B CN 201410701379 A CN201410701379 A CN 201410701379A CN 104880601 B CN104880601 B CN 104880601B
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Abstract
A kind of low-voltage customer low-voltage investigation method based on normal distribution statistical, is related to a kind of low-voltage investigation method.Low-voltage customer is distributed in power distribution network end at present, large number of, and low-voltage customer voltage monitoring means are deficient, when installation voltage monitoring instrument, equally exists the problem of monitoring point quantity is more, and cost is huge.The present invention comprises the following steps：Low-voltage user investigates step comprehensively；Voltage is carried out to the certain customers selected under taiwan area and calls survey together；It analyzes calling survey result together, the low-voltage customer of low-voltage is classified as to the object of low-voltage improvement；Judge whether that all taiwan areas are selected, finished if not selecting, be back to and select taiwan area step；It finishes, terminates if selecting.Technical solution investigation is efficient, and low-voltage user can be handled in time, and to obtain corresponding solution method, low-voltage customer low-voltage analysis investigation is fast, administers in time, improves power supply quality, reduces the fault outage time, ensures people's production and living electricity consumption.
Description
Technical field
The present invention relates to a kind of low-voltages to investigate method, espespecially a kind of low-voltage customer low-voltage based on normal distribution statistical
Investigation method.
Background technology
Low-voltage customer is distributed in power distribution network end, large number of, and low-voltage customer voltage monitoring means are deficient, more have at present
The low voltage monitoring means of effect are installation voltage monitoring instruments, but equally exist that monitoring point quantity is more, and cost is huge, and in current electricity
It produces little effect in the case that pressure quality is generally high, another way is to become monitoring terminal monitoring distribution transformer low pressure according to public affairs
Side low-pressure line-outgoing voltage although there is certain reference significance, but still can not monitor the long low tension loop end of radius of electricity supply
Low-voltage customer voltage.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment proposed are prior art to be improved with being improved,
A kind of low-voltage customer low-voltage investigation method based on normal distribution statistical is provided, reaches low-voltage customer low-voltage analysis investigation,
It administers in time, improves power supply quality, reduce the fault outage time, ensure the purpose of people's production and living electricity consumption.It is for this purpose, of the invention
Take following technical scheme.
A kind of low-voltage customer low-voltage investigation method based on normal distribution statistical, it is characterised in that comprise the following steps：
1）Low-voltage user investigates step comprehensively, and carrying out comprehensive voltage to all low-voltage customers calls survey together, finds out low-voltage
User；
2）Taiwan area step is selected, selects the taiwan area that a part of end was selected per a period of time, the taiwan area selected includes
Carrier communication gathers taiwan area and wireless collection device acquisition taiwan area, carrier communication acquisition taiwan area and wireless collection device acquisition taiwan area quantity
It is allocated by accounting；It selects taiwan area and meets the following conditions：A）The public three-phase voltage that becomes of taiwan area occurs in peak Elapsed Time section
Voltage less than 224v；B）There is low-voltage user when low-voltage customer investigates step comprehensively in taiwan area；C）As eligible A）With
B）Taiwan area quantity be less than setting value when, select taiwan area at random；
3）Voltage is carried out to the certain customers selected under taiwan area and calls survey together, being called together the user of survey by voltage includes terminal temperature difference, if
There are the user that low-voltage user investigates the low-voltage found out in step comprehensively, the user for being called together survey by voltage further includes selected taiwan area
The one or more of the user of above-mentioned low-voltage；
4）It analyzes calling survey result together, the low-voltage customer of low-voltage is classified as to the object of low-voltage improvement；
5）Judge whether that all taiwan areas are selected, finished if not selecting, be back to 2）Select taiwan area step；If it selects
It finishes, then terminates.
Taiwan area is selected with condition A）、B）Alternative condition as priority, preferred process low-voltage user, with it is timely, accurate, can
Task is selected by ground completion；Improve the efficiency of investigation.Random selection mode is then adopted for the taiwan area of no low-voltage user to carry out
It selects, is conducive to improve work efficiency.The technical program is after investigation comprehensively, then the voltage of the certain customers through each taiwan area is called together
It surveys, obtains the electricity consumption situation of the low electric user under the taiwan area substantially, user is handled to low-voltage, to obtain corresponding solution
Method reaches low-voltage customer low-voltage analysis investigation, administers in time, improve power supply quality, reduce the fault outage time, ensure people
The people's livelihood produces the purpose of household electricity.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical features.
2）It selects in taiwan area step, using one week as the time cycle.
The taiwan area of 4-6% is selected on every Sundays.The detection of all taiwan areas can be completed in one-year age.
In step 3）In, if selected taiwan area gathers taiwan area for wireless collection device, selected in wireless collection device acquisition taiwan area
1-5 terminal temperature difference, random user, if the wireless collection taiwan area gathers taiwan area there are low-voltage user in wireless collection device
The user selected further includes a low-voltage customer；If there is the three-phase power user of low-voltage last month in the wireless collection taiwan area,
The three-phase power user of low-voltage is further included in the user that wireless collection device acquisition taiwan area is selected.Due to three-phase, power user is opposite
General user's quantity is small, but power consumption is high, therefore needs to investigate emphatically；Terminal temperature difference can be with the power supply feelings of the fundamental reaction taiwan area
Condition, therefore need to call survey together to terminal temperature difference progress voltage, the object that the technical program calls survey together is few, is conducive to the processing of data, carries
The efficiency of high disposal.
In step 3）In, if selected taiwan area gathers taiwan area for carrier communication, an end is selected in carrier communication acquisition taiwan area
End subscriber；If the carrier communication gathers taiwan area there are low-voltage user, also wrapped in the user that carrier communication acquisition taiwan area is selected
Include a low-voltage customer.The technical program only selects a terminal temperature difference and a low-voltage customer as voltage in carrier communication acquisition taiwan area
It calls survey object together, improves the efficiency of processing, reduce cost, while can achieve the goal again.
4）It is surveyed to calling together in result progress analytical procedure, judges whether may there is low-voltage user production under selected taiwan area
It is raw, and analysis result is stored and is fed back.
Advantageous effect：The technical program is after comprehensive low-voltage investigation, then the voltage of the certain customers through each taiwan area calls survey together,
Substantially the electricity consumption situation of the low-voltage customer under the taiwan area is obtained, investigation is efficient, and low-voltage user can be handled in time, with
Corresponding solution method is obtained, low-voltage customer low-voltage analysis investigation is fast, administers in time, improves power supply quality, reduces failure and stops
The electric time ensures people's production and living electricity consumption.
Description of the drawings
Fig. 1 is flow chart of the present invention.
Specific embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
The implementation steps of this method are illustrated by taking Zhejiang Province as an example.As shown in Figure 1,
The present invention comprises the following steps：
S1）Comprehensive voltage is carried out to all low-voltage customers of the whole province and calls survey together, finds out the user of low-voltage.Zhejiang possesses 22,000,000
Family low-voltage customer, therefore this operation consumption resource is too big, but only operated once in whole process, for a whole flow, institute
The resource of consumption and the time of consumption are simultaneously few.
S 2）5% taiwan area, wherein carrier communication acquisition taiwan area 2%, wireless collection device acquisition taiwan area are subsequently selected on every Sundays
3%, and be allocated by the taiwan area quantity accounting of 11, Zhejiang districts and cities.The taiwan area selected meets one of the following conditions：
1st, the public three-phase voltage that becomes occurred below 224V's in this week daily 19；
2nd, the public change taiwan area for once occurring low-voltage user during surveying is called together comprehensively.
3rd, by the then carry out random selection of above 2 conditions still discontented 5%, but the current year selected mistake is not included
Taiwan area.
S 3）It to carry out the certain user that voltage called together under the taiwan area of survey and carry out voltage calling surveys together to selected, the user's satisfaction selected
The following conditions：
1st, carrier communication acquisition taiwan area selects 1 terminal temperature difference and 1 low-voltage user（Survey is once called together comprehensively to send out in the process
The low-voltage user now crossed）.
2nd, wireless collection device acquisition taiwan area selects 1-5 terminal temperature difference：1 low-voltage user（If there is in the case of）、
There is three-phase power user, the 2 family random users of low-voltage last month, it is ensured that at most select a family under a wireless collection device.
S 4）It analyzes calling survey result together, the low-voltage customer for having low-voltage will be listed in the object of low-voltage improvement.
In order to which the implementation of low-voltage customer low-voltage investigation method creates low-voltage customer low-voltage Check System, which includes
Taiwan area investigates analysis module and user's selecting module, and taiwan area investigation analysis module is used to analyse whether may there is low electricity under the taiwan area
User is pressed to generate, user's selecting module is used to select to be likely to occur low-voltage user under taiwan area.
Low-voltage investigation citing：
1st, several low-voltage customers are simulated, once there is low-voltage in three-phase power user, taiwan area analysis module is by this low-voltage
User and three-phase power user place taiwan area are classified as low-voltage taiwan area to be investigated；Customer analysis module chooses the user, and random
Increase several low-voltage users as user to be investigated.
2nd, simulation, which is called together, surveys random user under low-voltage user and the taiwan area, and when there is low-voltage numerical value, analysis result is shown
The taiwan area needs to carry out low-voltage improvement.
3rd, simulation, which is called together, surveys random user under low-voltage user and the taiwan area, and when not occurring low-voltage numerical value, analysis result is shown
Show that the taiwan area current year need not carry out low-voltage improvement.
A kind of low-voltage customer low-voltage investigation method based on normal distribution statistical shown in figure 1 above is the tool of the present invention
Body embodiment has embodied substantive distinguishing features of the present invention and progress, can be according to actual use needs, in the enlightenment of the present invention
Under, carry out the equivalent modifications of shape, structure etc. to it, this programme protection domain row.
Claims (6)
- A kind of 1. low-voltage customer low-voltage investigation method based on normal distribution statistical, it is characterised in that comprise the following steps：1）Low-voltage user investigates step comprehensively, and carrying out comprehensive voltage to all low-voltage customers calls survey together, finds out the user of low-voltage；2）Taiwan area step is selected, the taiwan area that a part of end was selected is selected per a period of time, the taiwan area selected includes carrier wave Communication acquisition taiwan area and wireless collection device acquisition taiwan area, carrier communication acquisition taiwan area and wireless collection device acquisition taiwan area quantity are by accounting for Than being allocated；It selects taiwan area and meets the following conditions：A）The public three-phase voltage that becomes of taiwan area is less than in peak Elapsed Time section The voltage of 224V；B）There is low-voltage user when low-voltage customer investigates step comprehensively in taiwan area；C）As eligible A）And B）'s When taiwan area quantity is less than setting value, taiwan area is selected at random；3）Voltage is carried out to the certain customers selected under taiwan area and calls survey together, being called together the user of survey by voltage includes terminal temperature difference, if selected Taiwan area there are the user that low-voltage user investigates the low-voltage found out in step comprehensively, by voltage call together survey user further include it is above-mentioned The one or more of the user of low-voltage；4）It analyzes calling survey result together, the low-voltage customer of low-voltage is classified as to the object of low-voltage improvement；5）Judge whether that all taiwan areas are selected, finished if not selecting, be back to 2）Select taiwan area step；If it selects Finish, then terminate；Taiwan area is selected with condition A）、B）Alternative condition as priority, priority processing low-voltage user；For no low-voltage user's Taiwan area is then adopted random selection mode and is selected；After investigate comprehensively, then the voltage of the certain customers through each taiwan area calls survey together, obtains The electricity consumption situation of low electric user under the taiwan area.
- 2. a kind of low-voltage customer low-voltage investigation method based on normal distribution statistical according to claim 1, feature It is：2）It selects in taiwan area step, using one week as a period of time.
- 3. a kind of low-voltage customer low-voltage investigation method based on normal distribution statistical according to claim 1, feature It is：The taiwan area of 4-6% is selected on every Sundays.
- 4. a kind of low-voltage customer low-voltage investigation method based on normal distribution statistical according to claim 1, feature It is：In step 3）In, if selected taiwan area gathers taiwan area for wireless collection device, 1-5 is selected in wireless collection device acquisition taiwan area A terminal temperature difference, random user, if the wireless collection taiwan area is selected there are low-voltage user in wireless collection device acquisition taiwan area User further include a low-voltage customer；If there is the three-phase power user of low-voltage last month in the wireless collection taiwan area, in nothing The user that line collector acquisition taiwan area is selected further includes the three-phase power user of low-voltage.
- 5. a kind of low-voltage customer low-voltage investigation method based on normal distribution statistical according to claim 1, feature It is：In step 3）In, if selected taiwan area gathers taiwan area for carrier communication, select an end in carrier communication acquisition taiwan area and use Family；If the carrier communication gathers taiwan area there are low-voltage user, one is further included in the user that carrier communication acquisition taiwan area is selected Low-voltage customer.
- 6. a kind of low-voltage customer low-voltage investigation method based on normal distribution statistical according to claim 1, feature It is：4）It is surveyed to calling together in result progress analytical procedure, judges whether may there is low-voltage user generation under selected taiwan area, and Analysis result is stored and is fed back.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105678644A (en) * | 2016-03-14 | 2016-06-15 | 国网安徽省电力公司 | User low-voltage studying and determining method based on data collection |
| CN109449932A (en) * | 2018-12-07 | 2019-03-08 | 国网辽宁省电力有限公司鞍山供电公司 | It is a kind of based on voltage synchronous test low-voltage reforming mode determine method |
| CN110335169B (en) * | 2019-05-23 | 2022-08-26 | 广西电网有限责任公司 | Low-voltage user accurate identification method based on multi-source data fusion |
| CN111398859B (en) * | 2020-03-17 | 2022-04-08 | 国网江西省电力有限公司电力科学研究院 | User low-voltage cause big data analysis method and system |
| CN113267349B (en) * | 2021-05-25 | 2022-03-25 | 安徽合力股份有限公司 | Method for rapidly testing downward sliding amount of forklift gantry |
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Address after: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Zhejiang Electric Power Company Applicant after: Zhejiang Huayun Information Technology Co., Ltd. Address before: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid Zhejiang Electric Power Company Applicant before: Zhejiang Creaway Automation Engineering Co., Ltd. |
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