CN106204336A - A kind of distribution network reliability computational methods gathered based on power information - Google Patents
A kind of distribution network reliability computational methods gathered based on power information Download PDFInfo
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- CN106204336A CN106204336A CN201610610823.5A CN201610610823A CN106204336A CN 106204336 A CN106204336 A CN 106204336A CN 201610610823 A CN201610610823 A CN 201610610823A CN 106204336 A CN106204336 A CN 106204336A
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Abstract
The present invention relates to a kind of distribution network reliability computational methods gathered based on power information, upper electrographic recording is stopped according to each acquisition terminal, calculate distribution network reliability index, the present invention is without staff's craft typing information, calculate simple, can true and reliable reflection electric company distribution network reliability, for electric company management decision-making provide scientific basis.
Description
Technical field
The present invention relates to a kind of distribution network reliability computational methods gathered based on power information.
Background technology
At present, power supply reliability is the important indicator of the examination electric power system quality of power supply, reflects power supply enterprise to user
The satisfaction degree of electrical energy demands, more represents the service level of electric company.Currently, distribution network reliability calculates is all basis
The upper electrographic recording that stops of each electric company offer is analyzed calculating, but is frequently present of electric company at work and provides data not
In time or the false phenomenon of data is provided, thus calculate to the power supply reliability of power distribution network and bring difficulty, and then can mislead
The management decision-making of level electric company.
In view of this, inventing a kind of electric company that do not relies on provides the distribution network reliability computational methods of data to exist
In real work particularly important.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of power distribution network gathered based on power information supplies
Electricity reliability calculation method, the distribution network reliability of the electric company that the method obtains is true and reliable, it is possible to for power supply public affairs
The management decision-making of department provides scientific basis.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of distribution network reliability computational methods gathered based on power information, its key technology is, adopts according to each
Collect the upper electrographic recording that stops of terminal, calculate distribution network reliability index.
Further improve as the present invention, specifically include following steps:
(1) stop upper electrographic recording according to the acquisition terminal of power information acquisition system database purchase, utilize formula (1) to be calculated
The local power distribution network of electric companyiThe persistent period of secondary power failureT i ,
(1)；
In formula:
T i For the local power distribution network of electric companyiSecondary interruption duration, unit hour；
T R i For the local power distribution network of electric companyiAcquisition terminal corresponding to secondary power failure stops upper electrographic power-on time；
T L i For the local power distribution network of electric companyiAcquisition terminal corresponding to secondary power failure stops upper electrographic power off time；
(2) the user average power off time AIHC-1 of the local power distribution network of electric company it is calculated according to formula (2),
(2)；
In formula:
AIHC-1 is the average power off time of user of the local power distribution network of electric company, and unit is hour/family；
N i For the local power distribution network of electric companyiThe secondary total number of users having a power failure under corresponding platform district, acquisition terminal place
N t The total frequency of power cut occurred for the local power distribution network of electric company；
N j For acquisition terminaljTotal number of users under platform district, place；
N c Acquisition terminal sum for the local power distribution network of electric company；
T i For the local power distribution network of electric companyiSecondary interruption duration, unit is hour；
(3) it is calculated electric company according to formula (3)cThe power supply reliability RS-1 of local power distribution network,
(3)；
In formula:
TFor timing statistics.
(4) the user average frequency of power cut AITC-1 of the local power distribution network of electric company it is calculated according to formula (4),
(4)；
In formula:
The average frequency of power cut of user of the local power distribution network of AITC-1 electric company, unit is secondary/family；
N i For the local power distribution network of electric companyiThe secondary total number of users having a power failure under corresponding platform district, acquisition terminal place；
N t The total frequency of power cut occurred for the local power distribution network of electric company；
N j For acquisition terminaljTotal number of users under platform district, place；
N c Acquisition terminal sum for the local power distribution network of electric company.
Further, described time T is timing statistics, takes 8760 hours, the hourage i.e. comprised for 1 year.
Further, described acquisition terminal refers to concentrator or special transformer terminals.
Further, the corresponding acquisition terminal of the power failure each time of described power distribution network stops upper electrographic recording.
Its general principles is as follows:
Now power distribution network power consumer the most all achieves power information collection, in power information acquisition system data base each
Acquisition terminal stop the i.e. corresponding primary distribution power-off event of upper electrographic recording.Meanwhile, power utilization information collection system data base stores
There is the power consumer number under each acquisition terminal.Therefore, above-mentioned information is utilized can quickly to calculate user when averagely having a power failure
Between, distribution network reliability index that power supply reliability, the average frequency of power cut of user etc. are conventional, it is not necessary to staff's craft typing is believed
Breath.
Compared with prior art, having the beneficial effect that acquired by the present invention:
The present invention can quickly be calculated each city, county, institute's level power supply unit according to the upper electrographic recording that stops of each acquisition terminal
Distribution network reliability, it is not necessary to staff's craft typing information, calculates simple, true and reliable can reflect electric company
Distribution network reliability, the management decision-making for electric company provides scientific basis.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, invention is carried out
Clear, complete description.
Embodiment 1
Electric companycAcquisition terminal detailed as shown in table 1:
Table 1 acquisition terminal is detailed
| Acquisition terminal | Total number of users under platform district, acquisition terminal place |
| Acquisition terminal 1 | 32 |
| Acquisition terminal 2 | 42 |
| Acquisition terminal 3 | 23 |
| Acquisition terminal 4 | 56 |
| Acquisition terminal 5 | 28 |
| Acquisition terminal 6 | 36 |
| Acquisition terminal 7 | 72 |
| Acquisition terminal 8 | 63 |
| Acquisition terminal 9 | 12 |
| Acquisition terminal 10 | 85 |
| Acquisition terminal 11 | 61 |
| Acquisition terminal 12 | 43 |
| Acquisition terminal 13 | 96 |
| Acquisition terminal 14 | 29 |
One Nian Nei electric companycAcquisition terminal to stop upper electrographic recording as shown in table 2:
Table 2 acquisition terminal stops upper electrographic recording
| Power failure order | Acquisition terminal | Power off time | Power-on time |
| 1 | Acquisition terminal 11 | 2015-01-28 23:45 | 2015-01-29 00:12 |
| 2 | Acquisition terminal 1 | 2015-02-11 13:23 | 2015-02-11 15:06 |
| 3 | Acquisition terminal 3 | 2015-03-21 11:17 | 2015-03-21 16:10 |
| 4 | Acquisition terminal 1 | 2015-05-26 09:14 | 2015-05-26 11:34 |
| 5 | Acquisition terminal 7 | 2015-06-13 16:24 | 2015-06-13 20:15 |
| 6 | Acquisition terminal 14 | 2015-07-30 15:56 | 2015-07-30 17:02 |
| 7 | Acquisition terminal 7 | 2015-10-09 06:44 | 2015-10-09 07:17 |
| 8 | Acquisition terminal 7 | 2015-12-21 09:25 | 2015-12-21 09:32 |
As shown in Table 2, electric companycThe power distribution network in area under one's jurisdiction occurs 8 times to have a power failure in timing statistics altogether.
It is calculated electric company by formula (1)cThe each interruption duration of local power distribution networkT i , such as table 3 institute
Show:
Table 3 power distribution network each interruption duration T iT i
| Power failure order | Acquisition terminal | The each interruption duration of power distribution networkT i (hour) |
| 1 | Acquisition terminal 11 | 0.4500 |
| 2 | Acquisition terminal 1 | 1.7167 |
| 3 | Acquisition terminal 3 | 4.8833 |
| 4 | Acquisition terminal 1 | 2.3333 |
| 5 | Acquisition terminal 7 | 3.8500 |
| 6 | Acquisition terminal 14 | 1.1000 |
| 7 | Acquisition terminal 7 | 0.5500 |
| 8 | Acquisition terminal 7 | 0.1167 |
Electric company is calculated according to formula (2)cThe user average power off time AIHC-1 of local power distribution network is 0.9240 little
Time/family.
Electric company is calculated according to formula (3)cThe power supply reliability RS-1 of local power distribution network is 99.9895%.
Electric company is calculated according to formula (4)cThe user average frequency of power cut AITC-1 of local power distribution network is
0.5796 time/family.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.Right
For persons skilled in the art, to its done any showing on the premise of without departing substantially from the principle of the invention and spirit
The change being clear to, within all should being contemplated as falling with the claims of the present invention.
Claims (5)
1. the distribution network reliability computational methods gathered based on power information, it is characterised in that gather according to each
Terminal stop upper electrographic recording, calculate distribution network reliability index.
A kind of distribution network reliability computational methods gathered based on power information the most according to claim 1, it is special
Levy and be, specifically include following steps:
(1) stop upper electrographic recording according to the acquisition terminal of power information acquisition system database purchase, utilize formula (1) to be calculated
The local power distribution network of electric companyiThe persistent period of secondary power failureT i ,
(1)；
In formula:
T i For the local power distribution network of electric companyiSecondary interruption duration, unit is hour；
T R i For the local power distribution network of electric companyiAcquisition terminal corresponding to secondary power failure stops upper electrographic power-on time；
T L i For the local power distribution network of electric companyiAcquisition terminal corresponding to secondary power failure stops upper electrographic power off time；
(2) the user average power off time AIHC-1 of the local power distribution network of electric company it is calculated according to formula (2),
(2)；
In formula:
AIHC-1 is the average power off time of user of the local power distribution network of electric company, and unit is hour/family；
N i For the local power distribution network of electric companyiThe secondary total number of users having a power failure under corresponding platform district, acquisition terminal place；
N t The total frequency of power cut occurred for the local power distribution network of electric company；
N j For acquisition terminaljTotal number of users under platform district, place；
N c Acquisition terminal sum for the local power distribution network of electric company；
T i For the local power distribution network of electric companyiSecondary interruption duration, unit is hour；
(3) it is calculated electric company according to formula (3)cThe power supply reliability RS-1 of local power distribution network,
(3)；
In formula:
TFor timing statistics；
(4) the user average frequency of power cut AITC-1 of the local power distribution network of electric company it is calculated according to formula (4),
(4)；
In formula:
The average frequency of power cut of user of the local power distribution network of AITC-1 electric company, unit is secondary/family；
N i For the local power distribution network of electric companyiThe secondary total number of users having a power failure under corresponding platform district, acquisition terminal place；
N t The total frequency of power cut occurred for the local power distribution network of electric company；
N j For acquisition terminaljTotal number of users under platform district, place；
N c Acquisition terminal sum for the local power distribution network of electric company.
A kind of distribution network reliability computational methods gathered based on power information the most according to claim 2, it is special
Levying and be, described time T is timing statistics, takes 8760 hours, the hourage i.e. comprised for 1 year.
A kind of distribution network reliability computational methods gathered based on power information the most according to claim 1 and 2, its
Being characterised by, described acquisition terminal refers to concentrator or special transformer terminals.
A kind of distribution network reliability computational methods gathered based on power information the most according to claim 1 and 2, its
Being characterised by, the corresponding acquisition terminal of the power failure each time of power distribution network stops upper electrographic recording.
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| CN201610610823.5A CN106204336A (en) | 2016-07-29 | 2016-07-29 | A kind of distribution network reliability computational methods gathered based on power information |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108229863A (en) * | 2018-03-01 | 2018-06-29 | 福建永福电力设计股份有限公司 | A kind of power distribution network power supply reliability computational methods |
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2016
- 2016-07-29 CN CN201610610823.5A patent/CN106204336A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108229863A (en) * | 2018-03-01 | 2018-06-29 | 福建永福电力设计股份有限公司 | A kind of power distribution network power supply reliability computational methods |
| CN108229863B (en) * | 2018-03-01 | 2021-09-14 | 福建永福电力设计股份有限公司 | Power supply reliability calculation method for power distribution network |
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Application publication date: 20161207 |