CN109919328A - A kind of low pressure branch line power failure analysis method based on multi-source power-off event - Google Patents
A kind of low pressure branch line power failure analysis method based on multi-source power-off event Download PDFInfo
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Abstract
The invention discloses a kind of low pressure branch line power failure analysis method based on multi-source power-off event, is related to electric power O&M field.The data source of low pressure branch line is complicated, and it is low to study and judge complicated and accuracy to power failure.The invention includes the following steps: receiving terminal and meter event, start to study and judge under the area Fei Tai power-off condition；Judge whether the junior's level power failure data source for occurring low pressure branch line lower 2 or more；If so, carrying out studying and judging for concentrator and meter；If it is not, then carrying out the power failure of subordinate's level according to the subordinate relation of concentrator and meter and studying and judging；If confirming that low pressure branch has a power failure by studying and judging for concentrator and meter, if it is not, then carrying out the power failure of subordinate's level according to the subordinate relation of concentrator and meter and studying and judging；Situation confirmation low pressure branch line power-off condition is studied and judged according to power failure.A variety of power failure data sources are applied in combination in the technical program, and active power-off event and power failure, which are called together, surveys as a result, to improve the accuracy and real time problems of studying and judging the power failure of low pressure branch line.
Description
Technical field
The present invention relates to electric power O&M fields more particularly to a kind of low pressure branch line power failure based on multi-source power-off event to grind
Sentence method.
Background technique
With the fast development of electric power science and technology and the continuous quickening of IT application process, the whole world deeply promotes the optimization energy
Structure realizes that an energy strategy transition new round is changed, and smart grid has become the important trend of International Power development.Acquisition system
A large amount of business and data supporting are provided always in terms of supporting distribution operation management, and are played the part of in outage analysis service application
Drill key player.
Up to now, Guo Wang company use power information acquisition scheme in can by acquisition terminal stop power on event
Power down with intelligent electric meter is recorded in the power-off condition for judging the area Liao Tai and meter afterwards, it is determined that specially public to become the effective of power failure
Property, and further management has been done for power supply reliability.Low pressure branch line is the public lines branch for becoming transformer subordinate, scene
Repeatedly there is the area Liao Tai not have a power failure but the case where low pressure branch line has a power failure, the data source of low pressure branch line is complicated, grinds power failure
It is low to sentence complicated and accuracy.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
A kind of low pressure branch line power failure analysis method based on multi-source power-off event is provided, with reach can be accurately to multi-source power failure data
Carry out the purpose studied and judged that has a power failure.For this purpose, the present invention takes following technical scheme.
A kind of low pressure branch line power failure analysis method based on multi-source power-off event, it is characterised in that the following steps are included:
1) low pressure branched line information stores, and point of low pressure branch line and concentrator, meter under each acquisition scheme is summarized in combing
Cloth situation confirms the subordinate relation of concentrator and meter；
2) terminal and meter event are received, starts to study and judge whether low pressure branch line has a power failure in the case where confirming the area Fei Tai power-off condition；
3) judge whether the junior's level power failure data source for occurring low pressure branch line lower 2 or more；If so, carry out concentrator and
The multiclass power failure data combination of meter is studied and judged；If it is not, then carrying out the power failure of subordinate's level according to the subordinate relation of concentrator and meter
It studies and judges；Subordinate's level unit is building or electricity box；
When the multiclass power failure data combination for carrying out concentrator and meter is studied and judged:
A) the existing power-off event of level under terminal and the subordinate relation and low pressure branch line of meter is combined to be studied and judged, preferentially
Directly it is judged as power failure when there are the II type concentrator and meter of active reporting power-off event in main website using active power-off event,
The number for surveying meter is called together to reduce；
B) when main website is without II type concentrator active reporting power-off event, II type concentrator is all called together and surveys A phase voltage；
C) it when being less than 3 II type concentrators under low pressure branch line, then needs to call together at random and surveys the non-II of power failure type concentrator subordinate relation
Another n table, the quantity of n depends on the non-II of power failure type concentrator number；
D) power-off event is reported when having more than three next levels under low pressure branch line, then need 3 different ownership levels
Terminal or meter carry out studying and judging power failure with regard to power-off condition；If being less than 3, the whole terminals for belonging to the level or table are needed
Count power-off condition；
If 4) study and judge by the combination of the multiclass power failure data of concentrator and meter, confirm that low pressure branch has a power failure, if it is not, then basis
The subordinate relation of concentrator and meter carries out the power failure of subordinate's level and studies and judges；
5) situation confirmation low pressure branch line power-off condition is studied and judged according to power failure.
The technical program first eliminates the item of platform area power failure, prevents the generation of erroneous judgement, and improves what power failure was studied and judged again
Speed；Meanwhile after the technical program has a power failure and studies and judges in platform area, and judge whether the junior for occurring low pressure branch line lower 2 or more
Level power failure data source；If so, the multiclass power failure data combination for carrying out concentrator and meter is studied and judged；If it is not, then according to concentration
The subordinate relation of device and meter carries out the power failure of subordinate's level and studies and judges；The case where failing to judge is prevented again.
As optimization technique means: in step 3), power-off event is studied and judged, and the power-off event including terminal and meter is ground
Sentence, the power-off event of terminal study and judge comprising steps of
301) it obtains terminal and reports power-off event；
302) same period power cut record is judged whether there is；If so, terminating；If it is not, then entering in next step；
303) judge whether to replace process on way in marketing；If so, terminating；If it is not, then entering in next step；
304) blacklist judges, judges that terminal belongs to blacklist, reports for the first time if so, only handling the terminal same day, and count
The number reported；
305) available time judgement and correction are carried out, is empty perhaps the time-delay system time or 3 days for alarm time
The terminal of preceding alarm time takes the current time in system as power off time, is modified to effectively；Other are effective, and press reported event
Subject to time；
306) it calls together and surveys terminal A phase voltage；
307) whether have a power failure and carry out efficiency analysis, work as satisfaction: terminal voltage calls the survey nothing person of returning, terminal voltage value zero or whole together
When terminal voltage value is not more than 132, it is believed that have a power failure；When effectively to have a power failure, then enters in next step, otherwise terminate；
308) terminal reports power-off event.
As optimization technique means: the power-off event of meter study and judge comprising steps of
311) collector or meter are obtained and power-off event is reported by terminal；
312) same period power cut record is judged whether there is；If it is not, blacklist judgement is then carried out, if it is not, then directly terminating；
313) blacklist judge, judge whether reporting equipment belongs to blacklist, if so, only handle the equipment same day for the first time on
Report；
314) available time judgement and correction are carried out, is that empty or the time-delay system time terminal takes for alarm time
Current time in system is as power off time；Alarm time judgement before 3 days is invalid, confirmation wrong report, excludes to be the existing period
Have a power failure；Other are effective；
315) whether have a power failure and carry out efficiency analysis, work as satisfaction: terminal voltage calls the survey nothing person of returning, terminal voltage value zero or whole together
When terminal voltage value is not more than 132, it is believed that effectively have a power failure；When effectively to have a power failure, then enters in next step, otherwise terminate；
316) when effectively to have a power failure, label has a power failure, and is included in outage analysis unit.
As optimization technique means: before carrying out the power failure of low pressure branch line and studying and judging, first judging whether to carry out low pressure branch line
Power failure is studied and judged, and the condition studied and judged that has a power failure is carried out are as follows: the area Fei Tai has a power failure, non-public transformer terminals have a power failure, I type concentrator has a power failure but excludes platform
In the case that area has a power failure；Lower 2 levels of low pressure branch line have terminal or meter active event, just trigger low pressure branch line and have a power failure
It studies and judges.
As optimization technique means: when development low pressure branch line is studied and judged, distinguishing I type concentrator platform area and II type concentrator platform
Area；For II type concentrator platform area, by the way of calling survey whole II type concentrator A phase voltage together；By power-off event and call survey thing together
Part information is studied and judged as having a power failure according to basis；When low pressure branch line subordinate level unit is more than 3, three subordinate's level units are taken
Equipment is such as less than 3 equipment for taking whole level units.
As optimization technique means: in step 3), low pressure branch line study and judge comprising steps of
31) there are the II type concentrator and meter of active reporting event in main website, then is directly judged as power failure；
32) judge I type concentrator platform area or II type concentrator platform area；It is then entered step 37) when for I type concentrator platform area, if
For II type concentrator platform area, then enter step 33)；
33) the II type concentrator surveyed and do not report power failure under low pressure branch line is called together；
34) judge whether II type concentrator has a power failure；
When II type concentrator A phase voltage is 0 or is power failure less than 132V；II type concentrator A phase voltage, which is called together, not to be detected, and is judged
II type concentrator has a power failure；
35) when II type concentrator does not have a power failure, then judge whether low pressure branch line has a power failure；Judging whether low pressure branch line has a power failure
When, determine that subordinate's level unit, subordinate's level can be electricity box when no building unit for building；When there is 3 or more level units,
It then include to need 3 concentrators, or at least belong to 3 next level units and carry out judgement power failure；There are 3 or more level lists as being less than
Position, then need whole concentrators to carry out judgement power failure；If whole concentrators be less than 2, need to relay again call together survey 1 table confirmed；
36) when low pressure branch line has a power failure, confirmation low pressure branch line has a power failure；
37) 3 or more subordinate's level units are judged whether there is；If it is not, studying and judging all next level unit random table notes；If
It is then to enter step 38) to study and judge 3 next level unit random table notes；
38) 3 next level unit random table notes are studied and judged；When ammeter has event priority event that need to relay and call together such as without active event
Survey A phase voltage；When meter A phase voltage is 0 or is less than 132V or meter A phase voltage is called together and do not detected as power failure；
39) confirmation low pressure branch line has a power failure.
The utility model has the advantages that
One, the power supply relationship according to low pressure branch line of the invention and the I type concentrator in low pressure branch line, II type concentrator,
Meter distribution situation, power-off event and relevant data in conjunction with relevant device study and judge basis by research low pressure branch line
Trigger condition, reduction are failed to judge, and are improved efficiency, and showing for main website outage information in different acquisition scheme is studied in low pressure branch line
Situation establishes practical, accurately and rapidly low pressure branch line power failure comprehensive analysis method.
Two, the technical program solves following problems simultaneously
1, it solves the problems, such as to study and judge the power failure of low pressure branch line under different acquisition scheme；
2, it solves how different power failure data sources are applied in combination, efficiently uses active power-off event and power failure calls survey together as a result, effectively
Using terminal and meter active power-off event, to improve the accuracy and real time problems of studying and judging the power failure of low pressure branch line；
3, it solves the problems, such as under the low pressure branch line of part that data source is very few to lead to not study and judge.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Fig. 2 is that flow chart is studied and judged in terminal power failure of the invention.
Fig. 3 is that flow chart is studied and judged in meter power failure of the invention.
Fig. 4 is second of flow chart of the invention.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
Embodiment one:
As shown in Figure 1, the present invention the following steps are included:
1) low pressure branched line information stores, and point of low pressure branch line and concentrator, meter under each acquisition scheme is summarized in combing
Cloth situation confirms the subordinate relation of concentrator and meter；
2) terminal and meter event are received, starts to study and judge whether low pressure branch line has a power failure in the case where confirming the area Fei Tai power-off condition；
3) judge whether the junior's level power failure data source for occurring low pressure branch line lower 2 or more；If so, carry out concentrator and
The multiclass power failure data combination of meter is studied and judged；If it is not, then carrying out the power failure of subordinate's level according to the subordinate relation of concentrator and meter
It studies and judges；Subordinate's level unit is building or electricity box；
When the multiclass power failure data combination for carrying out concentrator and meter is studied and judged:
A) the existing power-off event of level under terminal and the subordinate relation and low pressure branch line of meter is combined to be studied and judged, preferentially
Directly it is judged as power failure when there are the II type concentrator and meter of active reporting power-off event in main website using active power-off event,
The number for surveying meter is called together to reduce；
B) when main website is without II type concentrator active reporting power-off event, II type concentrator is all called together and surveys A phase voltage；
C) it when being less than 3 II type concentrators under low pressure branch line, then needs to call together at random and surveys the non-II of power failure type concentrator subordinate relation
Another n table, the quantity of n depends on the non-II of power failure type concentrator number；
D) power-off event is reported when having more than three next levels under low pressure branch line, then need 3 different ownership levels
Terminal or meter carry out studying and judging power failure with regard to power-off condition；If being less than 3, the whole terminals for belonging to the level or table are needed
Count power-off condition；
If 4) study and judge by the combination of the multiclass power failure data of concentrator and meter, confirm that low pressure branch has a power failure, if it is not, then basis
The subordinate relation of concentrator and meter carries out the power failure of subordinate's level and studies and judges；
5) situation confirmation low pressure branch line power-off condition is studied and judged according to power failure.
The technical program first eliminates the item of platform area power failure, prevents the generation of erroneous judgement, and improves what power failure was studied and judged again
Speed；Meanwhile after the technical program has a power failure and studies and judges in platform area, and judge whether the junior for occurring low pressure branch line lower 2 or more
Level power failure data source；If so, the multiclass power failure data combination for carrying out concentrator and meter is studied and judged；If it is not, then according to concentration
The subordinate relation of device and meter carries out the power failure of subordinate's level and studies and judges；The case where failing to judge is prevented again.
The power failure of low pressure branch line is studied and judged in development, should be in conjunction with level under terminal and the subordinate relation and low pressure branch line of meter
Existing power-off event studied and judged, as far as possible use active power-off event, reduce call together survey meter number.
Three next levels (can be electricity box or building) are had more than under low pressure branch line when meeting, then have needed 3 differences
The terminal or meter power-off condition (support event and call together survey result) for belonging to level study and judge powers failure, less than 3, then have needed to belong to
The terminal or meter power-off condition of whole levels (1-2).Under-enumeration is effectively prevented, the case where mistake is looked into.
For studying and judging for power-off event, the confirmation of terminal and meter is divided to judge that in step 3), power-off event is ground first
Sentence, the power-off event including terminal and meter is studied and judged, as shown in Fig. 2, the power-off event of terminal study and judge comprising steps of
301) it obtains terminal and reports power-off event；
302) same period power cut record is judged whether there is；If so, terminating；If it is not, then entering in next step；
303) judge whether to replace process on way in marketing；If so, terminating；If it is not, then entering in next step；
304) blacklist judges, judges that terminal belongs to blacklist, reports for the first time if so, only handling the terminal same day, and count
The number reported；
305) available time judgement and correction are carried out, is empty perhaps the time-delay system time or 3 days for alarm time
The terminal of preceding alarm time takes the current time in system as power off time, is modified to effectively；Other are effective, and press reported event
Subject to time；
306) it calls together and surveys terminal A phase voltage；
307) whether have a power failure and carry out efficiency analysis, work as satisfaction: terminal voltage calls the survey nothing person of returning, terminal voltage value zero or whole together
When terminal voltage value is not more than 132, it is believed that have a power failure；When effectively to have a power failure, then enters in next step, otherwise terminate；
308) terminal reports power-off event.
As shown in figure 3, the power-off event of meter study and judge comprising steps of
311) collector or meter are obtained and power-off event is reported by terminal；
312) same period power cut record is judged whether there is；If it is not, blacklist judgement is then carried out, if it is not, then directly terminating；
313) blacklist judge, judge whether reporting equipment belongs to blacklist, if so, only handle the equipment same day for the first time on
Report；
314) available time judgement and correction are carried out, is that empty or the time-delay system time terminal takes for alarm time
Current time in system is as power off time；Alarm time judgement before 3 days is invalid, confirmation wrong report, excludes to be the existing period
Have a power failure；Other are effective；
315) whether have a power failure and carry out efficiency analysis, work as satisfaction: terminal voltage calls the survey nothing person of returning, terminal voltage value zero or whole together
When terminal voltage value is not more than 132, it is believed that effectively have a power failure；When effectively to have a power failure, then enters in next step, otherwise terminate；
316) when effectively to have a power failure, label has a power failure, and is included in outage analysis unit.
Judge whether that whether carrying out the power failure of low pressure branch line studies and judges, and there are the following conditions:
The power failure of platform area is excluded, non-public affairs transformer terminals have a power failure, in the case that I type concentrator has a power failure but excludes the power failure of platform area
Lower 2 levels of low pressure branch line are needed to have terminal or meter active event, just triggering is studied and judged.
Processing speed is effectively improved, memory spending is reduced.
Embodiment two:
When development low pressure branch line is studied and judged, I type concentrator platform area and II type concentrator platform area are distinguished；For II type concentrator platform
Area, by the way of calling survey whole II type concentrator A phase voltage together；Using power-off event and call together survey event information as power failure study and judge according to
According to basis；When low pressure branch line subordinate level unit is more than 3, take three subordinate's level unit equipments, such as less than 3 taking it is complete
The equipment of portion's level unit.As shown in figure 4, in step 3), low pressure branch line study and judge comprising steps of
31) there are the II type concentrator and meter of active reporting event in main website, then is directly judged as power failure；
32) judge I type concentrator platform area or II type concentrator platform area；It is then entered step 37) when for I type concentrator platform area, if
For II type concentrator platform area, then enter step 33)；
33) the II type concentrator surveyed and do not report power failure under low pressure branch line is called together；
34) judge whether II type concentrator has a power failure；
When II type concentrator A phase voltage is 0 or is power failure less than 132V；II type concentrator A phase voltage, which is called together, not to be detected, and is judged
II type concentrator has a power failure；
35) when II type concentrator does not have a power failure, then judge whether low pressure branch line has a power failure；Judging whether low pressure branch line has a power failure
When, determine that subordinate's level unit, subordinate's level can be electricity box when no building unit for building；When there is 3 or more level units,
It then include to need 3 concentrators, or at least belong to 3 next level units and carry out judgement power failure；There are 3 or more level lists as being less than
Position, then need whole concentrators to carry out judgement power failure；If whole concentrators be less than 2, need to relay again call together survey 1 table confirmed；
36) when low pressure branch line has a power failure, confirmation low pressure branch line has a power failure；
37) 3 or more subordinate's level units are judged whether there is；If it is not, studying and judging all next level unit random table notes；If
It is then to enter step 38) to study and judge 3 next level unit random table notes；
38) 3 next level unit random table notes are studied and judged；When ammeter has event priority event that need to relay and call together such as without active event
Survey A phase voltage；When meter A phase voltage is 0 or is less than 132V or meter A phase voltage is called together and do not detected as power failure；
39) confirmation low pressure branch line has a power failure.
A kind of low pressure branch line power failure analysis method based on multi-source power-off event shown in figure 1 above -4 is of the invention
Specific embodiment has embodied substantive distinguishing features of the present invention and progress, can use needs according to actual, open in of the invention
Under showing, the equivalent modifications of shape, structure etc., the column in the protection scope of this programme are carried out to it.
Claims (6)
1. a kind of low pressure branch line power failure analysis method based on multi-source power-off event, it is characterised in that the following steps are included:
1) low pressure branched line information stores, and point of low pressure branch line and concentrator, meter under each acquisition scheme is summarized in combing
Cloth situation confirms the subordinate relation of concentrator and meter；
2) terminal and meter event are received, starts to study and judge whether low pressure branch line has a power failure in the case where confirming the area Fei Tai power-off condition；
3) judge whether the junior's level power failure data source for occurring low pressure branch line lower 2 or more；If so, carry out concentrator and
The multiclass power failure data combination of meter is studied and judged；If it is not, then carrying out the power failure of subordinate's level according to the subordinate relation of concentrator and meter
It studies and judges；Subordinate's level unit is building or electricity box；
When the multiclass power failure data combination for carrying out concentrator and meter is studied and judged:
A) the existing power-off event of level under terminal and the subordinate relation and low pressure branch line of meter is combined to be studied and judged, preferentially
Directly it is judged as power failure when there are the II type concentrator and meter of active reporting power-off event in main website using active power-off event,
The number for surveying meter is called together to reduce；
B) when main website is without II type concentrator active reporting power-off event, II type concentrator is all called together and surveys A phase voltage；
C) it when being less than 3 II type concentrators under low pressure branch line, then needs to call together at random and surveys the non-II of power failure type concentrator subordinate relation
Another n table, the quantity of n depends on the non-II of power failure type concentrator number；
D) power-off event is reported when having more than three next levels under low pressure branch line, then need 3 different ownership levels
Terminal or meter carry out studying and judging power failure with regard to power-off condition；If being less than 3, the whole terminals for belonging to the level or table are needed
Count power-off condition；
If 4) study and judge by the combination of the multiclass power failure data of concentrator and meter, confirm that low pressure branch has a power failure, if it is not, then basis
The subordinate relation of concentrator and meter carries out the power failure of subordinate's level and studies and judges；
5) situation confirmation low pressure branch line power-off condition is studied and judged according to power failure.
2. a kind of low pressure branch line power failure analysis method based on multi-source power-off event according to claim 1, feature
Be: in step 3), power-off event is studied and judged, and the power-off event including terminal and meter is studied and judged, and the power-off event of terminal is ground
Sentence comprising steps of
301) it obtains terminal and reports power-off event；
302) same period power cut record is judged whether there is；If so, terminating；If it is not, then entering in next step；
303) judge whether to replace process on way in marketing；If so, terminating；If it is not, then entering in next step；
304) blacklist judges, judges that terminal belongs to blacklist, reports for the first time if so, only handling the terminal same day, and count
The number reported；
305) available time judgement and correction are carried out, is empty perhaps the time-delay system time or 3 days for alarm time
The terminal of preceding alarm time takes the current time in system as power off time, is modified to effectively；Other are effective, and press reported event
Subject to time；
306) it calls together and surveys terminal A phase voltage；
307) whether have a power failure and carry out efficiency analysis, work as satisfaction: terminal voltage calls the survey nothing person of returning, terminal voltage value zero or whole together
When terminal voltage value is not more than 132, it is believed that have a power failure；When effectively to have a power failure, then enters in next step, otherwise terminate；
308) terminal reports power-off event.
3. a kind of low pressure branch line power failure analysis method based on multi-source power-off event according to claim 2, feature
Be: the power-off event of meter study and judge comprising steps of
311) collector or meter are obtained and power-off event is reported by terminal；
312) same period power cut record is judged whether there is；If it is not, blacklist judgement is then carried out, if it is not, then directly terminating；
313) blacklist judge, judge whether reporting equipment belongs to blacklist, if so, only handle the equipment same day for the first time on
Report；
314) available time judgement and correction are carried out, is that empty or the time-delay system time terminal takes for alarm time
Current time in system is as power off time；Alarm time judgement before 3 days is invalid, confirmation wrong report, excludes to be the existing period
Have a power failure；Other are effective；
315) whether have a power failure and carry out efficiency analysis, work as satisfaction: terminal voltage calls the survey nothing person of returning, terminal voltage value zero or whole together
When terminal voltage value is not more than 132, it is believed that effectively have a power failure；When effectively to have a power failure, then enters in next step, otherwise terminate；
316) when effectively to have a power failure, label has a power failure, and is included in outage analysis unit.
4. a kind of low pressure branch line power failure analysis method based on multi-source power-off event according to claim 1, feature
It is: before carrying out the power failure of low pressure branch line and studying and judging, first judges whether that carrying out the power failure of low pressure branch line studies and judges, and have a power failure and studies and judges
Condition are as follows: the area Fei Tai has a power failure, non-public transformer terminals have a power failure, I type concentrator has a power failure but excludes in the case that platform area has a power failure；Low pressure point
Lower 2 levels of branch line have terminal or meter active event, just trigger the power failure of low pressure branch line and study and judge.
5. a kind of low pressure branch line power failure analysis method based on multi-source power-off event according to claim 1, feature
It is: when development low pressure branch line is studied and judged, distinguishes I type concentrator platform area and II type concentrator platform area；For II type concentrator platform
Area, by the way of calling survey whole II type concentrator A phase voltage together；Using power-off event and call together survey event information as power failure study and judge according to
According to basis；When low pressure branch line subordinate level unit is more than 3, take three subordinate's level unit equipments, such as less than 3 taking it is complete
The equipment of portion's level unit.
6. a kind of low pressure branch line power failure analysis method based on multi-source power-off event according to claim 5, feature
Be: in step 3), low pressure branch line study and judge comprising steps of
31) there are the II type concentrator and meter of active reporting event in main website, then is directly judged as power failure；
32) judge I type concentrator platform area or II type concentrator platform area；It is then entered step 37) when for I type concentrator platform area, if
For II type concentrator platform area, then enter step 33)；
33) the II type concentrator surveyed and do not report power failure under low pressure branch line is called together；
34) judge whether II type concentrator has a power failure；
When II type concentrator A phase voltage is 0 or is power failure less than 132V；II type concentrator A phase voltage, which is called together, not to be detected, and is judged
II type concentrator has a power failure；
35) when II type concentrator does not have a power failure, then judge whether low pressure branch line has a power failure；Judging whether low pressure branch line has a power failure
When, determine that subordinate's level unit, subordinate's level can be electricity box when no building unit for building；When there is 3 or more level units,
It then include to need 3 concentrators, or at least belong to 3 next level units and carry out judgement power failure；There are 3 or more level lists as being less than
Position, then need whole concentrators to carry out judgement power failure；If whole concentrators be less than 2, need to relay again call together survey 1 table confirmed；
36) when low pressure branch line has a power failure, confirmation low pressure branch line has a power failure；
37) 3 or more subordinate's level units are judged whether there is；If it is not, studying and judging all next level unit random table notes；If
It is then to enter step 38) to study and judge 3 next level unit random table notes；
38) 3 next level unit random table notes are studied and judged；When ammeter has event priority event that need to relay and call together such as without active event
Survey A phase voltage；When meter A phase voltage is 0 or is less than 132V or meter A phase voltage is called together and do not detected as power failure；
39) confirmation low pressure branch line has a power failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101366.0A CN109919328B (en) | 2019-01-31 | 2019-01-31 | Low-voltage branch line power failure research and judgment method based on multi-source power failure event |
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| CN111142047A (en) * | 2019-12-31 | 2020-05-12 | 国网河北省电力有限公司 | Automatic studying and judging method based on power distribution internet of things power failure |
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| CN112505478A (en) * | 2020-11-17 | 2021-03-16 | 国网山东省电力公司青岛供电公司 | Non-contact type low-voltage transformer area power failure and recovery detection device and power failure and recovery detection method |
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| CN112505478A (en) * | 2020-11-17 | 2021-03-16 | 国网山东省电力公司青岛供电公司 | Non-contact type low-voltage transformer area power failure and recovery detection device and power failure and recovery detection method |
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