CN106655215A - Reactive power compensation equipment switch optimization method based on double-queue method for source network load - Google Patents
Reactive power compensation equipment switch optimization method based on double-queue method for source network load Download PDFInfo
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- CN106655215A CN106655215A CN201710033298.XA CN201710033298A CN106655215A CN 106655215 A CN106655215 A CN 106655215A CN 201710033298 A CN201710033298 A CN 201710033298A CN 106655215 A CN106655215 A CN 106655215A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Supply And Distribution Of Alternating Current (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a method for implementing a reactive power compensation equipment switch optimization strategy based on a double-queue method for friendly interaction of source network load, and belongs to the field of safety control of electrical power system. According to the method, the switch optimization of reactive power compensation equipment is realized by adopting the double-queue method according to the queue principle of ''first-in first-out, and last-in last-out''. With capacitor groups as an example, the capacitor groups belonging to the same controllable area are divided into two queues according to ''logout'' and ''switch'' attributes and are sorted in sequence, and sequence control is carried out on the switch of the capacitor groups according to a sequence access mode in the two queues. By means of this switch optimization strategy, the use conditions of all reactive power compensation equipment can be globally considered, thereby avoiding the situation of no response during real-time control caused by the long-term unuse of some reactive power compensation equipment and supporting the reactive flexible adjustment of friendly interaction of the source network load.
Description
Technical field
The invention belongs to power system security control field, is related to a kind of friendly mutually suitable for source net lotus based on deque's method
Dynamic reactive-load compensation equipment switching optimisation strategy implementation method.
Background technology
With the development of source net lotus close friend's interaction technique, it is being particularly important with net side, idle work optimization and control.Tradition
Pressure regulation have two ways, a kind of be adjusted by the no-load voltage ratio of ULTC；Another kind is reactive-load compensation equipment
Regulation, wherein most commonly seen with the control of capacitor bank.By putting into or exiting capacitor bank, the idle benefit of electrical network is realized
Repay or voltage-regulation.But, generally when switching operation is carried out to capacitor bank, often frequent operation is only several groups,
And great majority are not operated regularly.This is resulted in partial capacitor group and is caused due to long-term vacant not coming into operation
When special circumstances need to carry out input control to it, this partial capacitor group tripping causes reactive power compensator input failure.Nothing
Reactive power compensation installations once fail to participate in switching in time, and the voltage of corresponding power distribution network periphery occurs fluctuation, low or higher, seriously
Affect the quality of power supply.Thus, the optimization Switching Strategy in the urgent need to considering distribution reactive-load compensation equipment, it is to avoid because some
The situation that tripping is not responding to when reactive-load compensation equipment long-time has neither part nor lot in control and causes real-time control, supports source net lotus friendly mutually
Dynamic idle flexible.
The content of the invention
It is an object of the invention to provide a kind of be applied to the friendly interactive reactive-load compensation equipment of source net lotus based on deque's method
Switching optimisation strategy implementation method, it is to avoid because some reactive-load compensation equipments long-time without cause Real-time Emergency Control when tripping
It is not responding to, the not enough situation of System Reactive Power compensation occurs.
The technical solution used in the present invention is：
A kind of reactive-load compensation equipment switching optimization method for being applied to source net lotus based on deque's method, it is characterised in that will belong to
The reactive-load compensation equipment of same zone of control is divided into two queues, and to exit group, another queue is to throw for one of queue
Group, reactive-load compensation equipment is exited and put in two queues according to the mode of first in first out, and that exits group goes out team end
Connect queuing with the team end of entering in throwing group, going out team end and connect queuing with the team end of entering for exiting group in throwing group, in making two queues
Each reactive-load compensation equipment circulation is formed when exiting in two queues and putting into.
Group is exited for queue L, is queue M in throwing group, to queue L, M in all reactive-load compensation equipments enter Mobile state volume
Number, queue L is L1, L2 ..., L (i)；Queue M be M1, M2 ..., M (j)；
In exiting group, L (i) sides are that, into team end, L1 sides are team end；In throwing group, M (j) sides are that, into team end, M1 sides are team
End.
During input reactive-load compensation equipment, preferentially from the reactive-load compensation equipment that team end selects respective numbers that goes out of queue L, implement
Input control, and enqueue M is entered by the team end of entering of queue M, queue L, M re-start in order dynamic number.
If bringing out the reactive-load compensation equipment input failure that comes from the team that goes out of queue L, by the reactive-load compensation equipment from queue L
Overhauled with rejecting in queue M, and select next reactive-load compensation equipment to be put into again from the team end that goes out of queue L, and by
Enqueue M is entered at the team end of entering of queue M.
When exiting reactive-load compensation equipment, preferentially from the reactive-load compensation equipment that team end selects respective numbers that goes out of queue M, implement
Control is exited, and enqueue L is entered by the team end of entering of queue L, queue L, M re-start in order dynamic number.
Reactive-load compensation equipment is capacitor bank.
The beneficial effect that the present invention is reached：
The invention provides a kind of be applied to the friendly interactive reactive-load compensation equipment switching optimization side of source net lotus based on deque's method
Method, realizes that the switching to reactive-load compensation equipment optimizes using deque's method according to the queued discipline of " first in first out, last-in, last-out ".
By taking capacitor bank as an example, the capacitor bank for belonging to same zone of control is divided into into two teams according to " exiting " and " throwing " attribute
Row, and sort successively, the switching of capacitor bank carries out sequence control in two queues according to the orderly mode of turnover.By this
Optimization Switching Strategy is planted, the service condition of all reactive-load compensation equipments can be considered with global, once there is equipment in conventional control
There is exception to overhaul in time in system, and be switched to next group of equipment and be controlled；Avoid because some reactive-load compensation equipments it is long when
Between without and when causing Real-time Emergency Control tripping be not responding to, there is the not enough situation of System Reactive Power compensation.The method is provided
Reactive-load compensation equipment switching optimisation strategy can be with the friendly interactive idle flexible of effective support source net lotus.
Description of the drawings
Fig. 1 is to be applied to the friendly interactive capacitor group switching optimisation strategy of source net lotus based on deque's method to realize illustrating
Figure.
Specific embodiment
The method of the present invention is realized to idle benefit using deque's method according to the queued discipline of " first in first out, last-in, last-out "
Repay the switching optimization of equipment, it is ensured that reactive-load compensation equipment can consider that the input of every group of equipment is exited when putting into or exiting
Frequency.It is convenient to note abnormalities in time and overhauled during conventional reactive-load compensation equipment switching, it is to avoid because some are idle
The tripping in emergent control of compensation equipment is not responding to and causes the not enough situation of System Reactive Power compensation.Comprise the following steps that（Such as Fig. 1
It is shown, so that the throwing of capacitor bank is moved back as an example）：
（1）Capacitor bank in control area is divided into into " exiting capacitor bank ", " capacitor bank is thrown ", and difference by attribute
Build up two queue L, M.
（2）To L, the capacitor bank of M queues carries out dynamic number, exits capacitor bank queue L for L1, L2 ..., L (i)；
It is M1, M2 capacitor bank queue M is thrown ..., M (j).
（3）It is that, into queue direction, L1 sides are dequeue direction that capacitor bank queue L (i) side is exited in definition；Throwing electric capacity
It is that, into queue direction, M1 sides are dequeue direction that device forms a team to arrange M (j) side.
（4）If desired capacitor bank is put into, preferentially from the capacitor bank of the dequeue set direction respective numbers of L queues,
Practicing system is controlled, and enters queue direction into M queues by M queues, and according to the original queue sequence of L, M dynamic again is carried out
Numbering.
（5）If the capacitor bank input control failure from the dequeue direction of L queues out, by the capacitor bank from L
Overhauled with rejecting in M queues.And select capacitor bank to be controlled again from the dequeue direction of L queues, and by entering team
Column direction enters M queues.
（6）If desired capacitor bank is exited, preferentially from the capacitor bank of the dequeue set direction respective numbers of M queues,
Control is exited in enforcement, and enters queue direction into L queues by L queues, and according to the original queue sequence of L, M dynamic again is carried out
Numbering.
（7）All capacitor banks of queue L and M go out the optimization order practicing system of team according to team is entered, exit control, press
Mend standby principle according to circulation carries out dynamic number to the element of two queues successively, and controllable capacitor group is averaged out as far as possible
Put into and exit frequency.Guarantee that capacitor bank is not in that tripping is not responding to and causes System Reactive Power to compensate not in emergent control
The situation of foot.
The method of the present invention, two are divided into by the capacitor bank for belonging to same zone of control according to " exiting " and " throwing " attribute
Individual queue, and sequencing numbers successively, the switching of capacitor bank carries out sequence control in two queues according to the orderly mode of turnover
System.Consider the evenness of the reactive-load compensation equipment switching frequency of institute switching, what the equipment that non-switching is crossed had precedence over that switching crosses sets
It is standby to be controlled, it is ensured that all of reactive-load compensation equipment can normally run.The overall situation makes in view of all reactive-load compensation equipments
With situation, it is to avoid because some reactive-load compensation equipments long-time without and tripping is not responding to when causing real-time control situation,
The friendly interactive idle flexible of support source net lotus.
Claims (6)
1. it is a kind of based on deque's method be applied to source net lotus reactive-load compensation equipment switching optimization method, it is characterised in that will belong to
Be divided into two queues in the reactive-load compensation equipment of same zone of control, one of queue to exit group, another queue be
Throwing group, reactive-load compensation equipment is exited and put in two queues according to the mode of first in first out, and that exits group goes out team
End connects queuing with the team end of entering in throwing group, going out team end and exiting the team end of entering organized and connect queuing in throwing group, makes two queues
In each reactive-load compensation equipment circulation is formed when exiting in two queues and putting into.
2. it is according to claim 1 based on deque's method be applied to source net lotus reactive-load compensation equipment switching optimization method,
Be queue M in throwing group characterized in that, exiting group for queue L, to queue L, M in all reactive-load compensation equipments enter Mobile state
Numbering, queue L is L1, L2 ..., L (i)；Queue M be M1, M2 ..., M (j)；
In exiting group, L (i) sides are that, into team end, L1 sides are team end；In throwing group, M (j) sides are that, into team end, M1 sides are team
End.
3. it is according to claim 2 based on deque's method be applied to source net lotus reactive-load compensation equipment switching optimization method,
Characterized in that, during input reactive-load compensation equipment, preferentially from the reactive-load compensation equipment that team end selects respective numbers that goes out of queue L,
Practicing system is controlled, and enters enqueue M by the team end of entering of queue M, and queue L, M re-start in order dynamic number.
4. it is according to claim 3 based on deque's method be applied to source net lotus reactive-load compensation equipment switching optimization method,
If characterized in that, from queue L go out team bring out come reactive-load compensation equipment input failure, by the reactive-load compensation equipment from team
Reject in row L and queue M and overhauled, and select next reactive-load compensation equipment to be put into again from the team end that goes out of queue L, and
Enqueue M is entered by the team end of entering of queue M.
5. it is according to claim 2 based on deque's method be applied to source net lotus reactive-load compensation equipment switching optimization method,
Characterized in that, when exiting reactive-load compensation equipment, preferentially from the reactive-load compensation equipment that team end selects respective numbers that goes out of queue M,
Control is exited in enforcement, and enters enqueue L by the team end of entering of queue L, and queue L, M re-start in order dynamic number.
6. it is according to claim 1 based on deque's method be applied to source net lotus reactive-load compensation equipment switching optimization method,
Characterized in that, the reactive-load compensation equipment is capacitor bank.
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| CN201710033298.XA CN106655215B (en) | 2017-01-18 | 2017-01-18 | It is applied to the reactive-load compensation equipment switching optimization method of source net lotus based on deque's method |
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| CN201710033298.XA CN106655215B (en) | 2017-01-18 | 2017-01-18 | It is applied to the reactive-load compensation equipment switching optimization method of source net lotus based on deque's method |
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Cited By (2)
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| CN107910870A (en) * | 2017-11-24 | 2018-04-13 | 许继电气股份有限公司 | Control method and device are moved back in a kind of throwing of distribution static series compensator |
| CN111555298A (en) * | 2020-04-07 | 2020-08-18 | 国网河南省电力公司电力科学研究院 | Automatic voltage additional control method and system considering safety of reactive power equipment |
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| CN111555298B (en) * | 2020-04-07 | 2022-08-12 | 国网河南省电力公司电力科学研究院 | Automatic voltage additional control method and system considering safety of reactive power equipment |
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| CN106655215B (en) | 2017-12-15 |
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