CN105512729A - Evaluation method and evaluation system for feeder automatic processing effect - Google Patents
Evaluation method and evaluation system for feeder automatic processing effect Download PDFInfo
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- CN105512729A CN105512729A CN201510834988.6A CN201510834988A CN105512729A CN 105512729 A CN105512729 A CN 105512729A CN 201510834988 A CN201510834988 A CN 201510834988A CN 105512729 A CN105512729 A CN 105512729A
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Abstract
The invention discloses an evaluation method and evaluation system for a feeder automatic processing effect. The method comprises: reasonability of switching state changing at all zones of a distribution network during the feeder automatic processing process is determined; a fault processing load recovery rate of the distribution network is calculated; and according to the reasonability and the fault processing load recovery rate, a feeder automatic processing effect is evaluated comprehensively. In addition, the system is composed of a state changing reasonability determination unit, a fault processing recovery rate calculation unit, and an effect evaluation unit. According to the evaluation method and evaluation system, the feeder automatic processing effect is evaluated comprehensively from the two perspectives of the action process and the action result of the feeder automatic processing, so that the evaluation result can disclose the feeder automatic processing effect accurately and comprehensively.
Description
This application claims the right of priority that the applying date is on November 28th, 2014, application number is 201410708536.9, name is called a kind of feeder automation treatment effect evaluation method.
Technical field
The present invention relates to electroporation field, particularly a kind of feeder automation treatment effect evaluation method and evaluation system.
Background technology
Feeder automation (FA) has multiple different tupe, as centralized master station mode, and substation isolation main website reforestation practices, intelligent distribution is control model on the spot, electric current attribute control model on the spot, voltage-time type control model etc. on the spot; For a kind of tupe, the processing policy of different suppliers is also not quite similar, and course of action is different.Traditionally, two kinds of methods are generally adopted to the result of the action evaluation of FA:
1, check that whether net result is consistent with setting result;
2, check that whether course of action is consistent with assignment procedure.
These methods can react the reliability of various feed line automatization system to a certain extent, but there is some deficiency following:
1, the operation of fault handling, has strict timing, as before faulty section is not isolated, can not carry out the recovery operation in non-faulting district, otherwise by the expansion of causing trouble scope, cause the power supply safety of regular link.Even if so the result of the action state is correct, can not safety action process be safe;
2, only can differentiate qualitatively, cannot judge indexs such as the recover in non-faulting district and resume speeds feed line automatization system;
3, when initial conditions does not possess or information is incomplete, net result from setting result often different, but different disposal scheme for the help that End-Customer provides be different, classic method cannot embody this otherness;
4, fault handling result, above-mentioned two kinds of methods can only judge service restoration process or service restoration result, comprehensive not to the evaluation of the movement structure of FA, the quality of fault handling not only relevant to the size that power supply area recovers and also with the velocity correlation of recovery;
5, in fault treating procedure, possible misdeed can cause the charged or fault coverage of maintenance section to expand.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of feeder automation treatment effect evaluation method and evaluation system are proposed, carry out comprehensive evaluation from the course of action of feeder automation process and the result of the action two angles to feeder automation treatment effect, evaluation result more accurately and all sidedly can disclose the treatment effect of feeder automation
The present invention is achieved through the following technical solutions:
A kind of feeder automation treatment effect evaluation method, comprises step:
S11: judge that each section of distribution network is in feeder automation processing procedure, causes the rationality that on off state changes;
S12: the fault handling load restoration rate calculating described distribution network;
S13: the effect carrying out feeder automation process described in comprehensive evaluation according to described rationality and described fault handling load restoration rate.
Preferably, also comprise before described step S11:
S14: according to whether having electricity to divide each section in distribution network.
Preferably, described step S14 comprises further:
S141: when distribution network normally runs, is initialized as normal reach by charged section, and non-charged section is initialized as power failure section;
S142: when distribution network breaks down, is set to fault section by the section of the power-off because breaking down., by because of reason beyond breaking down and the non-faulting section of power-off is set to section to be restored.
Preferably, described step S11 is specially: when the normal reach before treatment of feeder automation after distribution network breaks down becomes described power failure section or described fault section or described section to be restored in feeder automation processing procedure, then be judged as unreasonable, otherwise be reasonable;
When the fault section before treatment of feeder automation after distribution network breaks down becomes described normal reach or described section to be restored in feeder automation processing procedure, be then judged as unreasonable, otherwise be reasonable;
When the power failure before treatment of feeder automation after distribution network breaks down section becomes described normal reach or described fault section or described section to be restored in feeder automation processing procedure, be then judged as unreasonable, otherwise be reasonable.
Preferably, described step S12 is further: the fault handling load restoration rate of described distribution network in the unit of account time.
Preferably, the described unit interval is that a certain within 3 minutes or 3 minutes determines the unit interval.
Preferably, described step S12 is specially: the fault handling load restoration rate of described distribution network in the unit of account time:
f
sh＝P
sh/P
nm*100％；
Wherein, P
shrepresent the unit interval supply load being resumed power supply in feeder automation processing procedure, P
nmunit interval supply load before expression distribution network breaks down.
Preferably, step S13 is further: the reliability evaluation index of described feeder automation process is:
F
sh＝K×f
sh；
Wherein, K represents rationality, and when all described sections all meet rationality in feeder automation processing procedure, K value is 1, otherwise K value is-1; F
sh<0 represents that described feeder automation process exists irrationality, F
sh>0 represents that described feeder automation process is reasonable, F
shlarger, the reliability of described feeder automation process is higher.
Preferably, described S13 is further: the reliability evaluation index of described feeder automation process is:
F
sh＝K×(f
sh+0.1)-|K|×0.1
Wherein, K represents rationality, and when all described sections all meet rationality in feeder automation processing procedure, K value is 1, otherwise K value is-1; F
sh<0 represents that described feeder automation process exists irrationality, F
sh>=0 represents that described feeder automation process is reasonable, F
shlarger, the reliability of described feeder automation process is higher.When the technical finesse meaning adopting fault handling load restoration rate to add 0.1 is to avoid fault handling load restoration rate to be 0, masks the mistake in feeder automation processing procedure, improve the accuracy of evaluation result.
The present invention also provides a kind of feeder automation treatment effect evaluation system, and it comprises:
State change rationality judging unit, for judging the rationality of the state change of each section of distribution network in feeder automation processing procedure;
Fault handling load restoration rate computing unit, for calculating the fault handling load restoration rate of described distribution network;
Effect assessment unit, for carrying out the effect of feeder automation process described in comprehensive evaluation according to described rationality and described fault handling load restoration rate.
(1) the present invention evaluates from the course of action of FA and the result of the action two angles of FA FA treatment effect, evaluates convenient, accurate;
(2) fault handling load restoration rate of the present invention calculated with the unit interval, and not only consider the size that power supply area recovers, also contemplate the speed of recovery, evaluation result is more comprehensive.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of feeder automation treatment effect evaluation method of the present invention;
Fig. 2 is the structural representation of feeder automation treatment effect evaluation system of the present invention.
Label declaration: 1-state change rationality judging unit, 2-fault handling load restoration rate computing unit, 3-effect assessment unit.
Embodiment
Below with reference to accompanying drawing of the present invention; clear, complete description and discussion are carried out to the technical scheme in the embodiment of the present invention; obviously; as described herein is only a part of example of the present invention; it is not whole examples; based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to protection scope of the present invention.
For the ease of the understanding to the embodiment of the present invention, be further explained for specific embodiment below in conjunction with accompanying drawing, and each embodiment does not form the restriction to the embodiment of the present invention.
Composition graphs 1, be described in detail feeder automation treatment effect evaluation method of the present invention, it comprises the following steps:
S101: state definition is carried out to each section in distribution network,
S102: judge that each section of distribution network is in feeder automation processing procedure, causes the rationality that on off state changes;
S103: the fault handling load restoration rate calculating distribution network;
S104: the effect carrying out comprehensive evaluation feeder automation process according to rationality and fault handling load restoration rate.
Below each step is described in detail:
1) sector status of powering defines
According to the state Changing Pattern of power supply section before and after fault occurs and processes, sector status can be divided into " normally " state, " fault " state, " to be restored " state and " power failure " state.
When distribution network normally runs, all band point sector status of initialization are all " normally ", and non-charged sector status is " power failure ".Non-faulting region because of outlet breaker trip caused power failure after breaking down is " to be restored " state, and fault section is " fault " state.
2) fault treating procedure coefficient
Contiguous network topological analysis is carried out by the position of the switch change caused operating switch in fault handling, the change of each sector status can be obtained, the process changed from these states can analyze the security often walking operating process of fault processing system, as the criterion whether fault handling process lost efficacy.
Table 1 have expressed the rationality causing sector status to change before and after the operation of fault treating procedure breaker in middle."×" represents that this operation is unreasonable, can cause system dilates fault coverage or cause security incident; " √ " represents that operating process is without execution; "-" represents that operating process does not cause this sector status to change.
Table 1
If a section changes other any states into by " normally ", illustrating that normal charging zone causes dead electricity because of fault handling operation, is the case that typical fault coverage expands.So this transformation is judged to "×";
The section of guilty culprit, can not restore electricity before fault is excluded, and also just can not change " normally " and " to be restored " state into, if so there are the transition that this conversion is also a kind of mistake, be judged to "×";
State is the section of " to be restored ", can change any section into, because itself is because failure cause has a power failure;
If a section changes other any states into by " power failure ", also "×" should be judged to.The reason section that to be pre-fault status be " power failure ", for dispatcher because this section is isolated by maintenance or other reasons from distribution network, this section is made to be in island state, because fault handling, cause this section to be connected with other sections, these sections may be caused again charged thus personal safety or device security problem may be caused.
The result of fault handling operation finally can be embodied by fault treating procedure COEFFICIENT K.If there are any error condition transition without any a section in primary fault process processing procedure, K value is 1; Otherwise value is-1.
3) fault handling load restoration rate
f
sh＝P
sh/P
nm*100％(1)
The fault handling load restoration rate F represented by formula (1)
shrefer in the unit interval, because fault handling action is resumed the supply load P of power supply
shunit interval supply load P when not breaking down with circuit
nmratio.
Because P
shfinally recover the size of section with fault processing system and speed is closely related, so this index not only contains fault handling speed and power supply trouble handling rate, and include the index relevant to economy such as section load amount in distribution line.Meanwhile, the reliability of distribution primary network has to a certain degree also been reacted.
Obviously, fault handling load restoration rate F
shrelevant to the size of unit interval, the time is larger, and the comparability of this index is lower.Consider that the running time of most of fault handling pattern is all within 3 minutes, can get the fault handling load restoration rate of 3 minutes.
4) FA fault handling effect assessment
F
sh＝K×f
sh(2)
The rational fault treating procedure COEFFICIENT K of association reaction fault treating procedure, formula (2) gives the reliability quantizating index to single failure process.
F
sh<0 represents that described feeder automation process exists irrationality, F
sh>0 represents that described feeder automation process is reasonable, F
shlarger, the reliability of described feeder automation process is higher.
In preferred embodiment, FA fault handling effect assessment can adopt following formula:
F
sh＝K×(f
sh+0.1)-|K|×0.1(3)
In formula (3), when the meaning of (0.1) this technical process is that shielding fault handling load restoration rate is 0, mask the mistake in fault treating procedure.F
sh<0 is less than 0 expression fault handling operation process and there is irrationality; F
sh>=0 fault handling effect illustrating this FA, its value is larger, and the reliability of feeder automation process is better.
Composition graphs 2, feeder automation treatment effect evaluation system of the present invention is described in detail, it is the evaluation method for realizing foregoing description, it comprises: state change rationality judging unit 1, fault handling load restoration rate computing unit 2 and effect assessment unit 3, wherein: state change rationality judging unit 1 is for judging the rationality of the state change of each section of distribution network in feeder automation processing procedure; Fault handling load restoration rate computing unit 2 is for calculating the fault handling load restoration rate of described distribution network; Effect assessment unit 3 is for carrying out the effect of feeder automation process described in comprehensive evaluation according to described rationality and described fault handling load restoration rate.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a feeder automation treatment effect evaluation method, is characterized in that, comprises step:
S11: judge that each section of distribution network is in feeder automation processing procedure, causes the rationality that on off state changes;
S12: the fault handling load restoration rate calculating described distribution network;
S13: the effect carrying out feeder automation process described in comprehensive evaluation according to described rationality and described fault handling load restoration rate.
2. feeder automation treatment effect evaluation method according to claim 1, is characterized in that, also comprise before described step S11:
S14: according to whether having electricity to divide each section in distribution network.
3. feeder automation treatment effect evaluation method according to claim 2, it is characterized in that, described step S14 comprises further:
S141: when distribution network normally runs, is initialized as normal reach by charged section, and non-charged section is initialized as power failure section;
S142: when distribution network breaks down, is set to fault section by the section of the power-off because breaking down, by because of reason beyond breaking down and the non-faulting section of power-off is set to section to be restored.
4. feeder automation treatment effect evaluation method according to claim 3, it is characterized in that, described step S11 is specially: when the normal reach before treatment of feeder automation after distribution network breaks down becomes described power failure section or described fault section or described section to be restored in feeder automation processing procedure, then be judged as unreasonable, otherwise be reasonable;
When the fault section before treatment of feeder automation after distribution network breaks down becomes described normal reach or described section to be restored in feeder automation processing procedure, be then judged as unreasonable, otherwise be reasonable;
When the power failure before treatment of feeder automation after distribution network breaks down section becomes described normal reach or described fault section or described section to be restored in feeder automation processing procedure, be then judged as unreasonable, otherwise be reasonable.
5. the feeder automation treatment effect evaluation method according to any one of Claims 1-4, it is characterized in that, described step S12 is further: the fault handling load restoration rate of described distribution network in the unit of account time.
6. feeder automation treatment effect evaluation method according to claim 5, is characterized in that, the described unit interval is that a certain within 3 minutes or 3 minutes determines the unit interval.
7. feeder automation treatment effect evaluation method according to claim 5, it is characterized in that, described step S12 is specially: the fault handling load restoration rate of described distribution network in the unit of account time:
f
sh＝P
sh/P
nm*100％；
Wherein, P
shrepresent the unit interval supply load being resumed power supply in feeder automation processing procedure, P
nmunit interval supply load before expression distribution network breaks down.
8. feeder automation treatment effect evaluation method according to claim 7, it is characterized in that, step S13 is further: the reliability evaluation index of described feeder automation process is:
F
sh＝K×f
sh；
Wherein, K represents rationality, and when all described sections all meet rationality in feeder automation processing procedure, K value is 1, otherwise K value is-1; F
sh<0 represents that described feeder automation process exists irrationality, F
sh>0 represents that described feeder automation process is reasonable, F
shlarger, the reliability of described feeder automation process is higher.
9. feeder automation treatment effect evaluation method according to claim 7, it is characterized in that, described S13 is further: the reliability evaluation index of described feeder automation process is:
F
sh＝K×(f
sh+0.1)-|K|×0.1
Wherein, K represents rationality, and when all described sections all meet rationality in feeder automation processing procedure, K value is 1, otherwise K value is-1; F
sh<0 represents that described feeder automation process exists irrationality, F
sh>=0 represents that described feeder automation process is reasonable, F
shlarger, the reliability of described feeder automation process is higher.
10. a feeder automation treatment effect evaluation system, is characterized in that, comprising:
State change rationality judging unit, for judging the rationality of the state change of each section of distribution network in feeder automation processing procedure;
Fault handling load restoration rate computing unit, for calculating the fault handling load restoration rate of described distribution network;
Effect assessment unit, for carrying out the effect of feeder automation process described in comprehensive evaluation according to described rationality and described fault handling load restoration rate.
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|---|---|---|---|
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|---|---|---|---|
| CN2014107085369 | 2014-11-28 | ||
| CN201410708536 | 2014-11-28 | ||
| CN201510834988.6A CN105512729A (en) | 2014-11-28 | 2015-11-26 | Evaluation method and evaluation system for feeder automatic processing effect |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494088A (en) * | 2018-03-16 | 2018-09-04 | 上海交通大学 | Consider the intelligent distribution type feeder automation terminal of ad hoc network equipment state |
| CN109406950A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | A kind of evaluation method of power distribution network concentrated feed line automatization system |
| CN110707818A (en) * | 2019-10-23 | 2020-01-17 | 上海浦源科技有限公司 | Power distribution network feeder automation action data processing method |
| CN112558563A (en) * | 2020-12-04 | 2021-03-26 | 国网江苏省电力有限公司南京供电分公司 | Distributed feeder automation evaluation method and system for 5G wireless communication |
| CN114465194A (en) * | 2022-02-08 | 2022-05-10 | 广东电网有限责任公司 | Operation evaluation method and system for feeder automation system of power distribution network |
-
2015
- 2015-11-26 CN CN201510834988.6A patent/CN105512729A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494088A (en) * | 2018-03-16 | 2018-09-04 | 上海交通大学 | Consider the intelligent distribution type feeder automation terminal of ad hoc network equipment state |
| CN108494088B (en) * | 2018-03-16 | 2022-02-08 | 上海交通大学 | Intelligent distributed feeder automation terminal considering self-networking equipment state |
| CN109406950A (en) * | 2018-12-21 | 2019-03-01 | 云南电网有限责任公司电力科学研究院 | A kind of evaluation method of power distribution network concentrated feed line automatization system |
| CN110707818A (en) * | 2019-10-23 | 2020-01-17 | 上海浦源科技有限公司 | Power distribution network feeder automation action data processing method |
| CN110707818B (en) * | 2019-10-23 | 2021-08-24 | 上海浦源科技有限公司 | Power distribution network feeder automation action data processing method |
| CN112558563A (en) * | 2020-12-04 | 2021-03-26 | 国网江苏省电力有限公司南京供电分公司 | Distributed feeder automation evaluation method and system for 5G wireless communication |
| CN114465194A (en) * | 2022-02-08 | 2022-05-10 | 广东电网有限责任公司 | Operation evaluation method and system for feeder automation system of power distribution network |
| CN114465194B (en) * | 2022-02-08 | 2024-01-23 | 广东电网有限责任公司 | Operation evaluation method and system for feeder automation system of power distribution network |
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