CN104993582B - The control method and device of power system - Google Patents
The control method and device of power system Download PDFInfo
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- CN104993582B CN104993582B CN201510041335.2A CN201510041335A CN104993582B CN 104993582 B CN104993582 B CN 104993582B CN 201510041335 A CN201510041335 A CN 201510041335A CN 104993582 B CN104993582 B CN 104993582B
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Abstract
The present invention provides a kind of control method and device of power system.This method includes：The on off state respectively switched in the power system is obtained, obtains the present mode of operation of the power system；Wherein, the on off state includes switch combined floodgate and switch separating brake；Default sample operational mode is sequentially obtained from default operational mode sequence；Compare the same different of present mode of operation and the default sample operational mode；Power system electric current, voltage, the fault-signal gathered again, and according to preset rules, the present mode of operation is switched to default sample operational mode feasible in the operational mode sequence；So that power system carries out system call interception, makes Operation of Electric Systems in a best mode automatically in the case of there are various failures.
Description
Technical field
The present invention relates to the control method and device of a kind of automatic control technology, more particularly to a kind of power system.
Background technology
As China's economy develops rapidly, mega project is continuously increased, the power system of mega project have power consumption it is big,
The characteristics of system architecture complexity；And for mega projects such as chemical industry, nuclear powers, usually require that the continuity of power system is high, require
Failure system being capable of quick response, fast recovery of power supply.
In traditional method of operation, if power system is broken down, system operation situation is typically judged by operation maintenance personnel
And fault message, according to operational procedure, and the technical experience of itself is combined, draw anti-fault countermeasure, manually control, manually
Or electrically operated mode, complete the anti-failure measures such as grid switching operation.
And demand is difficult in adapt to for complicated and high reliability requirement power system, above-mentioned traditional method of operation, it is main
Show the following aspects：First, traditional method of operation requires high for the technical merit of operation maintenance personnel, and exists
The artificial risk for judging operational error, safety and reliability are difficult to ensure；Second, when there is the system failure in complication system, people
Work judges system operation situation and fault message takes more, causes system switching time to exceed uninterrupted power source power-on time,
Cause power breakdown；3rd, for the situation of complex fault, such as there is two or more failures, O＆M people simultaneously or successively
Member is difficult to judge；4th, because the failure for influenceing Operation of Electric Systems is varied simultaneously, it is possible to occur, even if system in advance
Fixed anti-fault countermeasure, it is also difficult to improve and comprehensive.Therefore, need badly and propose a kind of method for automatically controlling power system.
The content of the invention
The present invention provides a kind of control method and device of power system, to realize automatically controlling for power system, makes electricity
Force system is operated under the optimum operation pattern that conditions present is allowed.
The present invention provides a kind of control method of power system, including：
Step S1, the title respectively switched in the power system and corresponding on off state are obtained, obtains the power train
The present mode of operation of system；Wherein, the on off state includes switch combined floodgate and switch separating brake；
Step S2, default sample operational mode is obtained from default operational mode sequence；
Step S3, judge whether the present mode of operation and the default sample operational mode are consistent；
If step S4, inconsistent, the default sample is switched to transport the present mode of operation according to preset rules
Row mode.
Method as described above, wherein, the operational mode sequence includes multiple default sample operational modes, Duo Gesuo
Default sample operational mode is stated to sort according to priority level；
The step S2 is specifically included：
Step S21, the order according to priority level from high to low, the default sample operational mode is obtained successively.
Method as described above, wherein, the step S3 is specifically included：
Step S31, the on off state that will respectively be switched in the present mode of operation, transported respectively with the default sample
The on off state of respective switch is compared in row mode；
If the on off state respectively switched in step S32, described present mode of operation, with the default sample operation mould
The on off state of respective switch is consistent in formula, then judges the present mode of operation and the default sample operational mode
Unanimously；
If the on off state respectively switched in step S33, described present mode of operation, with the default sample operation mould
The on off state of respective switch is not quite identical in formula, then judges that the present mode of operation is run with the default sample
Pattern is inconsistent.
Method as described above, wherein, the step S4 is specifically included：
Step S41, the on off state respectively switched in the present mode of operation and the default sample are run into mould
The on off state respectively switched in formula is compared, by off state difference, the switch motion sequence needed for acquisition model conversion；
Step S42, the current system status of the power system is obtained；The system status includes the power system
Information of voltage, current information and fault message；
Step S43, according to the system status of acquisition, and default switch divide-shut brake condition, the switch is judged
Whether each switch motion in action sequence is feasible；
Step S44, if the determination result is YES, according to default switch motion ordering rule, each switch motion is determined
Order；
Step S45, according to determination each switch motion order, successively to corresponding switch sending action signal,
To control corresponding switch motion.
Method as described above, wherein, after the step S43, in addition to：If the judged result is no, return is held
The row step S2.
Method as described above, wherein, the switch motion ordering rule is：Sub-switching operation is first carried out, then is closed a floodgate
Operation；
The order of the closing operation is：First service entrance switch is closed a floodgate, then interconnection switch is closed a floodgate, finally to feeder switch
Close a floodgate.
Method as described above, wherein, after the step S4, in addition to：
Step S5, the present mode of operation of the power system is detected, to determine the current operation mould of the power system
Formula switches to the default sample operational mode.
Method as described above, wherein, the step S5 is specifically included：
Step S51, the on off state that will respectively be switched in the present mode of operation, transported respectively with the default sample
The on off state switched accordingly in row mode is compared；
If step S52, comparative result is not quite identical, by the on off state difference, obtains new switch and move
Make sequence, and return and perform step S43；
If step S53, described comparative result is completely the same, it is determined that the present mode of operation switching of the power system
The default sample operational mode is switched to.
Method as described above, wherein, if after return execution step S43 reaches preset times, the comparative result is still
It is not quite identical, then step S2 is gone to, obtains the low other default sample operational mode of one-level, repeats step S2 to step
Rapid S5.
The present invention also provides a kind of control device of power system, including：
Acquisition module, for obtaining the title respectively switched in the power system and corresponding on off state, obtain described
The present mode of operation of power system；Wherein, the on off state includes switch combined floodgate and switch separating brake；From default operation mould
Default sample operational mode is obtained in formula sequence；
Judge module, for judging whether the present mode of operation and the default sample operational mode are consistent；
Handover module, if judge for the judge module it is inconsistent, according to preset rules by the current operation
Pattern switching is the default sample operational mode.
Device as described above, wherein, the operational mode sequence includes multiple default sample operational modes, Duo Gesuo
Default sample operational mode is stated to sort according to priority level；
The acquisition module is specifically used for：According to the order of priority level from high to low, the default sample is obtained successively
Operational mode.
Device as described above, wherein, the judge module is specifically used for：
The on off state that will respectively be switched in the present mode of operation, respectively with the default sample operational mode
The on off state of respective switch is compared；
It is corresponding to the default sample operational mode if the on off state respectively switched in the present mode of operation
The on off state of switch is consistent, then judges that the present mode of operation is consistent with the default sample operational mode；
It is corresponding to the default sample operational mode if the on off state respectively switched in the present mode of operation
The on off state of switch is not quite identical, then judges that the present mode of operation differs with the default sample operational mode
Cause.
Device as described above, wherein, the acquisition module is specifically used for：
By the on off state respectively switched in the present mode of operation with respectively being opened in the default sample operational mode
The on off state of pass is compared, by off state difference, the switch motion sequence needed for acquisition model conversion；Described in acquisition
The current system status of power system；The system status includes the information of voltage, current information and event of the power system
Hinder information；
The judge module is specifically used for：According to the system status of acquisition, and default switch divide-shut brake condition,
Judge whether each switch motion in the switch motion sequence is feasible；
The handover module is specifically used for：If each switch motion is feasible, according to default switch motion ordering rule,
Determine the order of each switch motion；According to the order of each switch motion of determination, sent successively to corresponding switch
Action signal, to control corresponding switch motion.
Device as described above, wherein, the acquisition module is additionally operable to：
If the switch motion is infeasible, repeats described obtained from default operational mode sequence and preset sample fortune
The operation of row mode.
Device as described above, wherein, the switch motion ordering rule is：Sub-switching operation is first carried out, then is closed a floodgate
Operation；
The order of the closing operation is：First service entrance switch is closed a floodgate, then interconnection switch is closed a floodgate, finally to feeder switch
Close a floodgate.
Device as described above, wherein, described device also includes：
Detection module, for detecting the present mode of operation of the power system, to determine the current of the power system
Operational mode switches to the default sample operational mode.
Device as described above, wherein, the detection module is specifically used for：
The on off state that will respectively be switched in the present mode of operation, respectively with the default sample operational mode
The on off state switched accordingly is compared；If comparative result is not quite identical, by the on off state difference, obtain
To new switch motion sequence, and repeat it is described according to it is default it is described switch divide-shut brake condition, judge it is described switch move
Make the whether feasible operation of each switch motion in sequence；If comparative result is completely the same, it is determined that the power system
Present mode of operation has switched to the default sample operational mode.
Device as described above, wherein, if the detection module repeat it is described according to the default switch division
Lock condition, it is described relatively to tie after judging the whether feasible operation preset times of each switch motion in the switch motion sequence
Fruit is still to be not quite identical, then the acquisition module obtains the low other default sample operational mode of one-level, the detection mould
Block repeats the on off state that will respectively be switched in the present mode of operation, respectively with the default sample operational mode
In the operation that is compared of the on off state that switchs accordingly, until the operational mode for finding and being converted to conditions present permission is
Only.
The control method and device of power system provided by the invention.By obtaining the name respectively switched in the power system
Title and corresponding on off state, obtain the present mode of operation of the power system；Wherein, the on off state includes switch conjunction
Lock and switch separating brake；Default sample operational mode is sequentially obtained from default operational mode sequence；Compare present mode of operation
It is same different with the default sample operational mode；Power system electric current, voltage, the fault-signal gathered again, and according to default rule
Then, the present mode of operation is switched to default sample operational mode feasible in the operational mode sequence；It is so that electric
Force system carries out system call interception, makes Operation of Electric Systems in a best mode automatically in the case of there are various failures.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the application scenarios one of the control method of power system of the present invention；
Fig. 2 is the schematic diagram of the application scenarios two of the control method of power system of the present invention；
Fig. 3 is the flow chart of the control method embodiment one of power system of the present invention；
Fig. 4 is the flow chart of the control method embodiment two of power system of the present invention；
Fig. 5 is the flow chart of the control method embodiment three of power system of the present invention；
Fig. 6 is the flow chart of the control method example IV of power system of the present invention；
Fig. 7 is the flow chart of the control method embodiment five of power system of the present invention；
Fig. 8 is the structural representation of the control device embodiment of power system of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
First, the application scenarios of the embodiment of the present invention are illustrated.Reference picture 1, in the application scenarios one shown in Fig. 1,
Power system includes two-way civil power, and two-way bavin generates electricity, two sections of buses, and is provided with two interconnection switches.Reference picture 2, shown in Fig. 2
Application scenarios two in, power system includes three road civil powers, and three road bavins generate electricity, three sections of buses, and are provided with three interconnection switches.
It is understood that the power system of the application scenarios one shown in Fig. 1, the electricity of the application scenarios two shown in Fig. 2 can be regarded as
The simplification of Force system, i.e. remove the civil power all the way in Fig. 2, bavin hair, one section of bus and two interconnection switches can obtain figure all the way
Application scenarios shown in 1, the control method of power system provided by the invention is carried out only by taking application scenarios one as an example below
Describe in detail.
Table one gives switch, the coding rule of bus in Fig. 1 and Fig. 2, as shown in Table 1：
Table one
Wherein, high pressure 10kV buses sectionalized single busbar connection, usually interconnection switch separating brake, two sections of buses be separately operable, two sections of mothers
Line is powered respectively by two-way civil power, when mains supply has a power failure, by 10kV diesel generating sets as stand-by power supply.
It should be noted that set two interconnection switches 2AB and 2AB ' purpose be make system can realize it is planned
Line maintenance function.I.e.：When interconnection switch 2AB breaks down, the power switch of the direct-connected bus mains sides of 2AB can be disconnected, and it is another
Individual interconnection switch 2AB '；Without influence another section of bus 2B# power supply, realize it is planned can on-line maintenance function.For simplification
System control logic, in enumerating, only 2AB is automatically controlled, 2AB ' is usually closure, using manual control, is not involved in
Automatically control；Bavin hair starts using automatically controlling, and bavin hair, which is shut down, is shut down using automatic control delay or can also use control manually
Mode；Electric power incoming line switchs, and feeder switch sets no-voltage trip relay protection.
Reference picture 3 is to Fig. 7, and the method that the present embodiment provides specifically can be by the control device of power system, such as control meter
Calculation machine performs, and the method that the present embodiment provides can include：
Step S1, the title respectively switched in the power system and corresponding on off state are obtained, obtains the power train
The present mode of operation of system；Wherein, the on off state includes switch combined floodgate and switch separating brake.
In this step, the title respectively switched in power system and corresponding on off state can be formed symbol rank, carry out table
The various operational modes of power system are levied, wherein, the title of switch can be named according to the coding rule in above table；Can
With understanding, other naming rules can also be used to be named each switch, the present embodiment is not limited to this.
Step S2, default sample operational mode is obtained from default operational mode sequence.
It should be noted that the default operational mode sequence, is according to power system architectures, by each of power system
Kind operational mode is listed one by one, and the overall condition of the superior and the subordinate's system according to power system, and the demand of power system, will
Operational mode carries out priority ranking, by order of the operational mode according to priority from high to low, lines up the operational mode sequence
Row, and be stored in advance in the control device of power system.
Specifically, the operational mode sequence includes multiple default sample operational modes, multiple default sample fortune
Row mode sorts according to priority level；It is described that default sample operational mode is obtained from default operational mode sequence, specifically may be used
With including：According to the order of priority level from high to low, the default sample operational mode is obtained successively.
That is, after the on off state respectively switched in obtaining power system, the control device of power system is from fortune
Priority level highest is first taken out in row mode sequence and presets sample operational mode, if in subsequent step, judges current operation
Pattern can not switch to priority level highest to preset sample operational mode, then the control device of power system is from operational mode sequence
The low other default sample operational mode of one-level is obtained in row, repeats said process.
, can be as shown in Table 2 for the operational mode sequence of application scenarios shown in Fig. 1 in the present embodiment.
Table two
Illustrated herein for operational mode M1 in table two, other operational modes are referred to saying for operational mode M1
It is bright；Wherein, f represents switch separating brake, and h represents that switch closes a floodgate.Operational mode M1 is normal operation mode, in operational mode M1,
Electric high voltage bus sectionalized single busbar connection, interconnection switch separating brake, two sections of buses are separately operable.Usually two-way 10kV civil powers supply, S-201,
S-202 closes a floodgate；10kV bavin energy sources are not powered, F-201, F-202 separating brake；Interconnection switch 2AB switchs separating brake, and 2AB-2 switches close
Lock；Feeder switch 2A01~2A05,2B01~2B05, which close a floodgate, to power.Specifically, above-mentioned operational mode M1, can be expressed as
S201h-F201f-2AKh-2ABf-S202h-F202f-2BKh。
Step S3, judge whether the present mode of operation and the default sample operational mode are consistent.
This step can specifically include：
Step S31, the on off state that will respectively be switched in the present mode of operation, transported respectively with the default sample
The on off state of respective switch is compared in row mode；
If the on off state respectively switched in step S32, described present mode of operation, with the default sample operation mould
The on off state of respective switch is consistent in formula, then judges the present mode of operation and the default sample operational mode
Unanimously；
If the on off state respectively switched in step S33, described present mode of operation, with the default sample operation mould
The on off state of respective switch is not quite identical in formula, then judges that the present mode of operation is run with the default sample
Pattern is inconsistent.
If step S4, inconsistent, the default sample is switched to transport the present mode of operation according to preset rules
Row mode.
Specifically, in this step, the control device of power system can be switched present mode of operation by following steps
To preset sample operational mode：
Step S41, the on off state respectively switched in the present mode of operation and the default sample are run into mould
The on off state respectively switched in formula is compared, by off state difference, the switch motion sequence needed for acquisition model conversion.
Step S42, the current system status of the power system is obtained；The system status includes the power system
Information of voltage, current information and fault message.
Step S43, according to the system status of acquisition, and default switch divide-shut brake condition, the switch is judged
Whether each switch motion in action sequence is feasible.
Specifically, in the present embodiment, the default switch divide-shut brake condition can be as shown in Table 3：
Table three switchs divide-shut brake condition
Step S44, if the determination result is YES, according to default switch motion ordering rule, each switch motion is determined
Order.
Step S45, according to determination each switch motion order, successively to corresponding switch sending action signal,
To control corresponding switch motion.
Further, after above-mentioned steps S43, in addition to：If judged result is no, returns and perform above-mentioned steps S2.
Wherein, the switch motion ordering rule is：Sub-switching operation is first carried out, then carries out closing operation；The behaviour that closes a floodgate
The order of work is：First service entrance switch is closed a floodgate, then interconnection switch is closed a floodgate, finally feeder switch is closed a floodgate.
If that is, judging that the switch motion is infeasible, come back to from operational mode retrieval and preset sample
The step of this operational mode, i.e. the low other default sample operational mode of one-level is obtained from operational mode sequence, then performs step
S3 and step S4.So circulation, so that Operation of Electric Systems is under the optimum operation pattern that tale quale allows.
It should be noted that in the present embodiment, the switch need to be electric operating, and be configured with control electrically operated two
Secondary control circuit；After corresponding switch motion is controlled, i.e. the present mode of operation is switched into the default sample
After operational mode, after above-mentioned steps S4, the control device of power system can also carry out following operation：
Step S5, the present mode of operation of the power system is detected, to determine the current operation mould of the power system
Formula switches to the default sample operational mode.
Specifically, this step includes：
Step S51, the on off state that will respectively be switched in present mode of operation, it is corresponding to default sample operational mode respectively
The on off state of switch be compared.
If step S52, comparative result is not quite identical, by the on off state difference, obtains new switch and move
Make sequence, and return and perform step S43.
That is, if judging, the switch motion in new switch motion sequence is infeasible, is obtained from operational mode sequence low
The other default sample operational mode of one-level, if judging, the switch motion in new switch motion sequence is feasible, performs corresponding
Switch motion, lay equal stress on and recheck the operation for the present mode of operation for surveying the power system.
If step S53, described comparative result is completely the same, it is determined that the present mode of operation switching of the power system
The default sample operational mode is switched to.
In actual applications, performed if returning after step S43 reaches preset times, the comparative result is still incomplete one
Cause, then go to step S2, obtain the low other default sample operational mode of one-level, repeat step S2 to step S5, directly
It is completely the same to the comparative result.
The technical scheme of the present embodiment, by obtaining the title respectively switched in the power system and switching shape accordingly
State, obtain the present mode of operation of the power system；Wherein, the on off state includes switch combined floodgate and switch separating brake；From
Default sample operational mode is obtained in default operational mode sequence；Compare present mode of operation and the default sample operation mould
Formula it is same different；Power system electric current, voltage, the fault-signal gathered again, and according to preset rules, by the present mode of operation
Switch to default sample operational mode feasible in the operational mode sequence；So that is there are various failures in power system
Under situation, system call interception is carried out automatically, makes Operation of Electric Systems in a best mode.
There is the situation of power failure with reference to mains supply 1, to the control method of power system provided by the invention
It is further described.
Usually, Operation of Electric Systems above-mentioned operational mode M1 state, i.e.,：S201h-F201f-2AKh-2ABf-
S202h-F202f-2BKh.If now there is the situation of the power failure of mains supply 1, civil power incoming power switch S201 decompressions
Relay protection acts, and causes S201 tripping operations to disconnect.2A# buses power off, feeder switch 2A01~2A05 decompressions relay protection action,
Feeder switch tripping operation is caused to disconnect, i.e. now, in the presence of relay protection, present mode of operation is changed into for power system：
S201f-F201f-2AKf-2ABf-S202h-F202f-2BKh。
The control device of power system obtains the on off state of each switch, obtains present mode of operation Mc (S201f-
F201f-2AKf-2ABf-S202h-F202f-2BKh)；Default sample operational mode is obtained from default operational mode sequence
Mn, n=1, that is, the default sample operational mode obtained are Mn=M1, M1 (S201h-F201f-2AKh-2ABf-S202h-
F202f-2BKh)。
Judge whether present mode of operation and default sample operational mode are consistent；That is, by Mc compared with M1, drawing to change
To M1, S201 is needed to carry out closing operation, 2AK will carry out closing operation；Action sequence is obtained according to switch motion ordering rule
Table D：1st, S201 closing operations are carried out.2nd, 2AK closing operations are carried out.
The current system status G of power system is obtained, according to system status G and switch divide-shut brake condition, due to civil power electricity
Source 1 powers off, and mains side voltage, electric current are continuously 0, therefore S201 is unsatisfactory for switching divide-shut brake condition, then action sequence table D can not
OK.Export the infeasible projects of operation of recording sequence table D and reason.
Default sample operational mode is obtained, makes n=n+1, i.e. Mn=M2, it is M2 (S201h- to preset sample operational mode
F201f-2AKh-2ABh-S202f-F202f-2BKh), above-mentioned judgement present mode of operation is repeated to run with default sample
The whether consistent operation of pattern, it is known that, action sequence table D ' is still infeasible, exports the infeasible projects of operation of recording sequence table D '
And reason.
Default sample operational mode is obtained, makes n=n+2, i.e. Mn=M3, it is M3 (S201f- to preset sample operational mode
F201f-2AKh-2ABh-S202h-F202f-2BKh), above-mentioned judgement present mode of operation is repeated to run with default sample
The whether consistent operation of pattern, it is known that, action sequence table D "：1st, carry out 2AB combined floodgates, 2, carry out 2AK close a floodgate it is feasible, then successively to
2AB and switch 2AK sending action signals are switched, with controlling switch 2AB and switch 2AK actions；Detect the current fortune of power system
Row mode, to determine that the present mode of operation of power system has switched to default sample operational mode；Output switching pass signal.
When mains supply 1 recovers again, the current operation mould for the power system that the control device of power system is got
Formula is Mc (S201f-F201f-2AKh-2ABh-S202h-F202f-2BKh)；Obtained from default operational mode sequence default
Sample operational mode Mn, n=1, that is, the default sample operational mode obtained are Mn=M1, M1 (S201h-F201f-2AKh-
2ABf-S202h-F202f-2BKh)。
Judge whether present mode of operation and default sample operational mode are consistent；That is, by Mc compared with M1, drawing to change
To M1, it is necessary to which S201 will carry out closing operation, 2AK will carry out closing operation.Switch motion ordering rule obtains action sequence table
D：1st, 2AB separating brakes are carried out.2nd, S201 combined floodgates are carried out.
The current system status G of power system is obtained, according to system status G and switch divide-shut brake condition, judges to act sequence
List D can perform, then is moved successively to switch 2AB and switch S201 sending action signals with controlling switch 2AB and switch S201
Make；The present mode of operation of power system is detected, obtains present situation mode of operation state Mc (S201h-F201f-2AKf-2ABf-
S202h-F202f-2BKh), will Mc compared with M1, draw M1 to be transformed into, it is necessary to closing operation will be carried out by switching S2AK, open
Closing action sequence table D is：Carry out S2AK combined floodgates.
The current system status G of power system is obtained again, according to system status G and switch divide-shut brake condition, is judged dynamic
Make sequence table D can perform, then to switch S2AK sending action signals, closing operation is carried out with controlling switch S2AK, detects electric power
The present mode of operation of system, to determine that the present mode of operation of power system has switched to default sample operational mode；Output
Switch successfully signal.
The technical scheme of the present embodiment, in the case where condition is certain, power system can be automatically adjusted to condition and permitted
Perhaps optimum operation pattern.During Operation of Electric Systems, or in operational mode transfer process, there is switch failure, switch
Jump, feeder assembly short circuit but feeder switch tripping cause power supply master to enter the complex fault situation such as switch trip, and the present embodiment carries
The control method of the power system of confession all can be that an optimal feasible operational mode is found in power system, can give full play to electric power
The function that system architecture can reach, ensure the continuity of power system power supply.
Fig. 8 is the structural representation of the control device embodiment of power system of the present invention.As shown in figure 8, the present embodiment carries
The control device 10 of the power system of confession can specifically include：
Acquisition module 11, for obtaining the title respectively switched in the power system and corresponding on off state, obtain institute
State the present mode of operation of power system；Wherein, the on off state includes switch combined floodgate and switch separating brake；From default operation
Default sample operational mode is obtained in mode sequences；
Judge module 12, for judging whether the present mode of operation and the default sample operational mode are consistent；
Handover module 13, if judge for the judge module it is inconsistent, according to preset rules by the current fortune
Row mode switches to the default sample operational mode.
Wherein, the operational mode sequence includes multiple default sample operational modes, multiple default sample operations
Pattern sorts according to priority level；The acquisition module 11 specifically can be used for：According to the order of priority level from high to low, according to
It is secondary to obtain the default sample operational mode.
The judge module 12 specifically can be used for：The on off state that will respectively be switched in the present mode of operation,
Respectively compared with the on off state of respective switch in the default sample operational mode；It is if each in the present mode of operation
The on off state of switch, it is consistent with the on off state of respective switch in the default sample operational mode, then sentence
The fixed present mode of operation is consistent with the default sample operational mode；If what is respectively switched in the present mode of operation is described
The on off state of respective switch is not quite identical on off state, with the default sample operational mode, then described in judgement
Present mode of operation and the default sample operational mode are inconsistent.
It should be noted that the acquisition module 11 is specifically used for：Described in respectively being switched in the present mode of operation
On off state, by off state difference, obtains compared with the on off state respectively switched in the default sample operational mode
Obtain the switch motion sequence needed for patten transformation；Obtain the current system status of the power system；The system status includes
Information of voltage, current information and the fault message of the power system；The judge module specific 12 is used for：According to acquisition
The system status, and default switch divide-shut brake condition, judge whether is each switch motion in the switch motion sequence
It is feasible；The handover module 13 is specifically used for：If each switch motion is feasible, according to default switch motion ordering rule,
Determine the order of each switch motion；According to the order of each switch motion of determination, sent successively to corresponding switch
Action signal, to control corresponding switch motion.
Specifically, the switch motion ordering rule is：Sub-switching operation is first carried out, then carries out closing operation；The combined floodgate
The order of operation is：First service entrance switch is closed a floodgate, then interconnection switch is closed a floodgate, finally feeder switch is closed a floodgate.
If it is infeasible that the acquisition module 11 can be also used for the switch motion, repeat described from default operation
The operation of default sample operational mode is obtained in mode sequences.
The control device 10 of the power system can also include detection module, for detecting the current of the power system
Operational mode, to determine that the present mode of operation of the power system switches to the default sample operational mode.Specifically, institute
The on off state that detection module will can be switched respectively in the present mode of operation is stated, is run respectively with the default sample
The on off state switched accordingly in pattern is compared；If comparative result is not quite identical, pass through the on off state
Difference, obtain new switch motion sequence, and repeat it is described according to the default switch divide-shut brake condition, described in judgement
The whether feasible operation of each switch motion in switch motion sequence；If comparative result is completely the same, it is determined that the electric power
The present mode of operation of system has switched to the default sample operational mode.
If the detection module repeat it is described according to it is default it is described switch divide-shut brake condition, judge it is described switch move
After making the whether feasible operation preset times of each switch motion in sequence, the comparative result is still to be not quite identical, then institute
State acquisition module and obtain the low other default sample operational mode of one-level, the detection module is repeated the current fortune
The on off state respectively switched in row mode, respectively with the corresponding on off state switched in the default sample operational mode
The operation being compared, untill finding and being converted to the operational mode that conditions present allows.
The control device of the power system of the present embodiment, available for perform above method embodiment technical scheme, in fact
Existing principle and technique effect are similar, and here is omitted.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit
Letter connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
It is each that equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each functional module
Division progress for example, in practical application, can be complete by different functional modules by above-mentioned function distribution as needed
Into the internal structure of device being divided into different functional modules, to complete all or part of function described above.On
The specific work process of the device of description is stated, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (16)
- A kind of 1. control method of power system, it is characterised in that including：Step S1, the title respectively switched in the power system and corresponding on off state are obtained, obtains the power system Present mode of operation；Wherein, the on off state includes switch combined floodgate and switch separating brake；Step S2, default sample operational mode is obtained from default operational mode sequence；Step S3, judge whether the present mode of operation and the default sample operational mode are consistent；If step S4, inconsistent, the default sample is switched to run mould the present mode of operation according to preset rules Formula；The operational mode sequence includes multiple default sample operational modes, and multiple default sample operational modes are according to excellent First rank sequence；The step S2 is specifically included：According to the order of priority level from high to low, the default sample operational mode is obtained successively.
- 2. according to the method for claim 1, it is characterised in that the step S3 is specifically included：Step S31, the on off state that will respectively be switched in the present mode of operation, mould is run with the default sample respectively The on off state of respective switch is compared in formula；If the on off state respectively switched in step S32, described present mode of operation, and in the default sample operational mode The on off state of respective switch is consistent, then judges the present mode of operation and the default sample operational mode one Cause；If the on off state respectively switched in step S33, described present mode of operation, and in the default sample operational mode The on off state of respective switch is not quite identical, then judges the present mode of operation and the default sample operational mode It is inconsistent.
- 3. according to the method for claim 2, it is characterised in that the step S4 is specifically included：Step S41, by the on off state respectively switched in the present mode of operation and the default sample operational mode The on off state respectively switched is compared, by off state difference, the switch motion sequence needed for acquisition model conversion；Step S42, the current system status of the power system is obtained；The system status includes the voltage of the power system Information, current information and fault message；Step S43, according to the system status of acquisition, and default switch divide-shut brake condition, the switch motion is judged Whether each switch motion in sequence is feasible；Step S44, if the determination result is YES, according to default switch motion ordering rule, the suitable of each switch motion is determined Sequence；Step S45, according to determination each switch motion order, successively to corresponding switch sending action signal, with control Make corresponding switch motion.
- 4. according to the method for claim 3, it is characterised in that after the step S43, in addition to：If described judge knot Fruit is no, returns and performs the step S2.
- 5. according to the method for claim 4, it is characterised in that the switch motion ordering rule is：First carry out separating brake behaviour Make, then carry out closing operation；The order of the closing operation is：First service entrance switch is closed a floodgate, then interconnection switch is closed a floodgate, finally feeder switch is closed Lock.
- 6. according to any described methods of claim 1-5, it is characterised in that after the step S4, in addition to：Step S5, the present mode of operation of the power system is detected, to determine that the present mode of operation of the power system is cut It is changed to the default sample operational mode.
- 7. according to the method for claim 6, it is characterised in that the step S5 is specifically included：Step S51, the on off state that will respectively be switched in the present mode of operation, mould is run with the default sample respectively The on off state switched accordingly in formula is compared；If step S52, comparative result is not quite identical, by the on off state difference, new switch motion sequence is obtained Row, and return and perform step S43；If step S53, described comparative result is completely the same, it is determined that the present mode of operation of the power system has been cut It is changed to the default sample operational mode.
- 8. according to the method for claim 7, it is characterised in that if after return execution step S43 reaches preset times, it is described Comparative result is still not quite identical, then goes to step S2, obtains the low other default sample operational mode of one-level, and repetition is held Row step S2 to step S5.
- A kind of 9. control device of power system, it is characterised in that including：Acquisition module, for obtaining the title respectively switched in the power system and corresponding on off state, obtain the electric power The present mode of operation of system；Wherein, the on off state includes switch combined floodgate and switch separating brake；From default operational mode sequence Default sample operational mode is obtained in row；Judge module, for judging whether the present mode of operation and the default sample operational mode are consistent；Handover module, if judge for the judge module it is inconsistent, according to preset rules by the present mode of operation Switch to the default sample operational mode；The operational mode sequence includes multiple default sample operational modes, and multiple default sample operational modes are according to excellent First rank sequence；The acquisition module is specifically used for：According to the order of priority level from high to low, the default sample operation is obtained successively Pattern.
- 10. device according to claim 9, it is characterised in that the judge module is specifically used for：The on off state that will respectively be switched in the present mode of operation, it is corresponding to the default sample operational mode respectively The on off state of switch is compared；If the on off state respectively switched in the present mode of operation, with respective switch in the default sample operational mode The on off state it is consistent, then judge that the present mode of operation is consistent with the default sample operational mode；If the on off state respectively switched in the present mode of operation, with respective switch in the default sample operational mode The on off state it is not quite identical, then judge that the present mode of operation and the default sample operational mode are inconsistent.
- 11. device according to claim 10, it is characterised in that the acquisition module is specifically used for：By what is respectively switched in the on off state respectively switched in the present mode of operation and the default sample operational mode On off state is compared, by off state difference, the switch motion sequence needed for acquisition model conversion；Obtain the electric power The current system status of system；The system status includes information of voltage, current information and the failure letter of the power system Breath；The judge module is specifically used for：The system status obtained according to the acquisition module, and default switch point Combined floodgate condition, judge whether each switch motion in the switch motion sequence is feasible；The handover module is specifically used for：If the determination result is YES, according to default switch motion ordering rule, determine each described The order of switch motion；According to the order of each switch motion of determination, sending action signal is switched to corresponding successively, with Control corresponding switch motion.
- 12. device according to claim 11, it is characterised in that the acquisition module is additionally operable to：If the judged result is no, repeats described obtained from default operational mode sequence and preset sample operation The operation of pattern.
- 13. device according to claim 12, it is characterised in that the switch motion ordering rule is：First carry out separating brake Operation, then carry out closing operation；The order of the closing operation is：First service entrance switch is closed a floodgate, then interconnection switch is closed a floodgate, finally feeder switch is closed Lock.
- 14. according to any described devices of claim 9-13, it is characterised in that described device also includes：Detection module, for detecting the present mode of operation of the power system, to determine the current operation of the power system Pattern switching is the default sample operational mode.
- 15. device according to claim 14, it is characterised in that the detection module is specifically used for：The on off state that will respectively be switched in the present mode of operation, it is corresponding to the default sample operational mode respectively The on off state of switch be compared；If comparative result is not quite identical, by the on off state difference, obtain new Switch motion sequence, and repeat it is described according to it is default it is described switch divide-shut brake condition, judge the switch motion sequence The whether feasible operation of each switch motion in row；If comparative result is completely the same, it is determined that the power system it is current Operational mode has switched to the default sample operational mode.
- 16. device according to claim 15, it is characterised in that if the detection module repeats the basis and preset The switch divide-shut brake condition, judge that the whether feasible operation of each switch motion in the switch motion sequence reaches default After number, the comparative result is still to be not quite identical, then the acquisition module obtains the low other default sample fortune of one-level Row mode, the detection module repeat the on off state that will respectively be switched in the present mode of operation, respectively with institute The operation that the on off state switched accordingly in default sample operational mode is compared is stated, works as preceding article until finding and being converted to Untill the operational mode that part allows.
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| CN107122505B (en) * | 2016-02-25 | 2020-08-04 | 中国石油化工股份有限公司 | Load modeling method and device |
| CN106953400B (en) * | 2017-02-23 | 2023-08-11 | 山东电工电气集团新能科技有限公司 | Novel three-phase four-wire distribution network tie switch |
| CN108536042A (en) * | 2018-03-27 | 2018-09-14 | 许继电气股份有限公司 | A kind of HVDC transmission system alternating-current field sequence control method and device |
| CN113534604B (en) * | 2020-03-31 | 2023-11-24 | 长鑫存储技术有限公司 | Mark detection method, mark detection device and computer readable storage medium |
| CN114035453A (en) * | 2021-11-10 | 2022-02-11 | 国网江苏省电力有限公司电力科学研究院 | One-key sequence control system and method for short circuit test of power equipment |
| CN114362343A (en) * | 2021-12-28 | 2022-04-15 | 中国电信股份有限公司 | Power distribution control device, system and method |
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