CN103560495A - Smart distribution grid semi-closed loop self-healing control method - Google Patents
Smart distribution grid semi-closed loop self-healing control method Download PDFInfo
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- CN103560495A CN103560495A CN201310540773.4A CN201310540773A CN103560495A CN 103560495 A CN103560495 A CN 103560495A CN 201310540773 A CN201310540773 A CN 201310540773A CN 103560495 A CN103560495 A CN 103560495A
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention provides a smart distribution grid semi-closed loop self-healing control method aiming at the actual situation that an original self-healing scheme can not continue to be carried out probably because of remote control failure in the actual operation according to an operation sequence obtained through the self-healing scheme when a smart distribution grid carries out self-healing control. According to the technical scheme, when the smart distribution grid breaks down, the remote control operation sequence of the self-healing recovery scheme is obtained, and each step of remote control operation is carried out after being determined errorless by a dispatcher; once remote control failure happens, a standby self-healing scheme and a standby operation sequence are generated, and distribution grid self-healing is achieved according to the standby operation sequence; finally, it is ensured that the distribution grid operates in the optimum mode after seal-healing through distribution grid reconfiguration. According to the smart distribution grid semi-closed loop self-healing control method, the semi-automatic self-healing automatic control mode is achieved, the automation level of a self-healing control system is improved, self-healing scheme correction is carried out aiming at the remote control failure probably happening in seal-healing control, and the effectiveness and feasibility of distribution grid self-healing control are guaranteed.
Description
Technical field
The invention belongs to electric power project engineering field, relate to a kind of self-healing control practical application methods that is applicable to intelligent distribution network.
Background technology
Self-healing is the characteristic feature of intelligent distribution network.The implication that intelligent distribution network self-healing comprises two aspects, when system exists larger operation risk, power distribution network needs can initiative recognition potential safety hazard, carries out power distribution network reconfiguration, reduces operation risk; When system breaks down, power distribution network can be identified fault fast, carries out Fault Isolation and fault recovery, reduces as far as possible fault outage loss.At present, in the practical application of intelligent distribution network self-healing system, there are the following problems:
(1) when generating fault self-recovery scheme, from distribution network failure situation, adopt heuristic search or optimized algorithm to obtain optimum fault self-recovery scheme, when formulating self-healing scheme, lack whether a plurality of straighforward operations are successfully comprehensively considered;
(2) distribution network failure self-healing scheme and working control mode disconnect, and dispatcher need to be converted into operation scheme by self-healing scheme, then operation one by one, and automatization level is low;
(3) when actual straighforward operation, may there is the situation that remote control was lost efficacy, now need self-healing scheme to revise, but existing self-healing control mode lacks the consideration to this situation.
In order to improve the automatization level of intelligent distribution network self-healing system, taking into account under the prerequisite of security of system, need to utilize automatic technology to adopt suitable automatic control mode, fault self-recovery scheme is controlled and combined with actual system, realize intelligent distribution network self-healing and automatically control.
Summary of the invention
The technical problem to be solved in the present invention is: the sequence of operation obtaining according to self-healing scheme fails to be directly used in power distribution network control operation; In practical operation, may run into owing to controlling to lose efficacy and cause the situation of self-healing failure.
Technical solution of the present invention is after power distribution network breaks down, and obtains the straighforward operation sequence of self-healing recovery scheme, before carrying out each step straighforward operation, by dispatcher, confirms errorless laggard line operate; Once there is the situation of remote control failure, by self-healing system, self-healing scheme is revised, then continued to confirm laggard line correlation operation via dispatcher.
The present invention is specifically by the following technical solutions:
A semiclosed loop self-healing control method, is characterized in that, described control method comprises the following steps:
(1) the self-healing recovery scheme after generation intelligent distribution network fault and straighforward operation sequence wherein, and preserve initial self-healing recovery scheme and straighforward operation sequence wherein;
(2) by the order in described straighforward operation sequence, carry out corresponding straighforward operation, after dispatcher confirms, carry out this straighforward operation, judge that whether straighforward operation is successful;
(3) if the next straighforward operation in the described straighforward operation sequence of step (2) continuation execution is returned in straighforward operation success, and judge that whether this straighforward operation is successful; If all operations were is finished and goes to step (7);
(4) if straighforward operation failure, notify operations staff to go to scene to rush to repair, by the switch sign of remote control failure, be unavailable simultaneously, and generate standby self-healing recovery scheme and the straighforward operation sequence corresponding to standby self-healing recovery scheme of this intelligent distribution network, judge whether repairing work can complete in the given time;
(5) if repairing work can complete in the given time, or in step (4), cannot generate effective standby self-healing scheme, after having rushed to repair, return to step (2) and continue to carry out next straighforward operation;
(6) if repairing work can not complete in the given time, and in step (4), successfully generate standby self-healing recovery scheme and corresponding straighforward operation sequence, straighforward operation sequence corresponding to the standby self-healing recovery scheme of using step (4) to generate goes to step (2) as the straighforward operation sequence of current execution and carries out one by one straighforward operation;
(7), if carried out standby self-healing recovery scheme in intelligent distribution network self-healing recovery process, after repairing work completes, according to the initial self-healing recovery scheme obtaining in step (1), the power distribution network after recovering is reconstructed.
The invention has the beneficial effects as follows:
(1) the self-healing automatic control mode realizing semi-automation, the automatization level of raising self-healing control system;
(2) situation about losing efficacy for the remote control that may occur in self-healing control is carried out self-healing revision of option, has guaranteed validity and the feasibility of power distribution network self-healing control.
Accompanying drawing explanation
Fig. 1 is intelligent distribution network semiclosed loop self-healing control method flow chart.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
Operation principle of the present invention is: first generate initial self-healing scheme and the sequence of operation, after dispatcher confirms, straighforward operation is carried out in single step, if remote control failure notifies operations staff to go to scene to rush to repair.If rush to repair grow (more than 30 minutes) consuming time, preferentially carry out alternative scheme, after the repairing of all remote control failure switches finishes, according to initial self-healing scheme, power distribution network is reconstructed, power distribution network is operated in optimum state after self-healing.
Be intelligent distribution network semiclosed loop self-healing control method flow chart of the present invention as shown in Figure 1, described self-healing control method comprises the following steps:
1. according to distribution network failure isolated instances and distributed power source ruuning situation, the self-healing recovery scheme after employing heuristic generation intelligent distribution network fault and straighforward operation sequence wherein, preserve initial self-healing scheme and the sequence of operation;
2. by the order in described straighforward operation sequence, carry out straighforward operation, before carrying out each straighforward operation, to dispatcher, remote control application is proposed, dispatcher carries out this straighforward operation by electrical power distribution automatization system after confirming to carry out, and judges that according to the execution result returning and on off state whether straighforward operation is successful;
3., if operate successfully, return to step 2 and continue to carry out next straighforward operation, until current operation sequence is finished; If carried out standby recovery scheme in recovery process, perform step 7 and carry out power distribution network reconfiguration, otherwise finish self-healing control flow process;
4. if straighforward operation failure, announcement apparatus attendant goes to scene to rush to repair, using the switch sign of remote control failure, be unavailable as initial conditions simultaneously, according to distribution network failure isolated instances and distributed power source ruuning situation, adopt heuristic to regenerate standby self-healing recovery scheme and the straighforward operation sequence of this intelligent distribution network, judge whether repairing work can complete in the given time;
5. if repairing work can complete in the given time, or in step 4, cannot generate effective standby self-healing scheme, carry out repairing work; After having rushed to repair, continue the next straighforward operation in execution step 2;
6. if repairing work can not complete in the given time, and in step 4, successfully generate standby self-healing scheme and corresponding straighforward operation sequence, the standby operation sequence generating by step 4 goes to step 2 as the sequence of operation of current execution and carries out one by one straighforward operation;
7., if carried out standby recovery scheme in recovery process, according to the former self-healing recovery scheme obtaining in step 1, the power distribution network after recovering is reconstructed.
Below, by two embodiment, further describe technical scheme of the present invention.
Embodiment 1:
1. generate initial self-healing scheme and straighforward operation sequence;
2. the straighforward operation in executable operations sequence in order.Obtain an operation at every turn, to dispatcher, propose remote control application, dispatcher carries out this operation by electrical power distribution automatization system after confirming to carry out, and whether the execution result that judgement is returned is successful; Remote control runs succeeded and continues to carry out the next straighforward operation of this remote control sequence; Repeat until whole remote control sequence is finished
Embodiment 2:
1. generate initial self-healing scheme and straighforward operation sequence;
2. the straighforward operation in executable operations sequence in order.Obtain an operation at every turn, to dispatcher, propose remote control application, dispatcher carries out this operation by electrical power distribution automatization system after confirming to carry out, and whether the execution result that judgement is returned is successful;
3. remote control is carried out unsuccessfully, and announcement apparatus maintainer goes to scene to rush to repair, and generates standby self-healing scheme and the sequence of operation simultaneously;
4. the repairing operating time is grown (more than 30 minutes), according to the standby self-healing scheme sequence of operation, sequentially carries out straighforward operation, recovers;
5. after repairing end-of-job, by dispatcher, according to initial self-healing scheme, the power distribution network after recovering is reconstructed.
Claims (1)
1. an intelligent distribution network semiclosed loop self-healing control method, is characterized in that, described control method comprises the following steps:
(1) the self-healing recovery scheme after generation intelligent distribution network fault and straighforward operation sequence wherein, and preserve initial self-healing recovery scheme and straighforward operation sequence wherein;
(2) by the order in described straighforward operation sequence, carry out corresponding straighforward operation, after dispatcher confirms, carry out this straighforward operation, judge that whether straighforward operation is successful;
(3) if the next straighforward operation in the described straighforward operation sequence of step (2) continuation execution is returned in straighforward operation success, and judge that whether this straighforward operation is successful; If all operations were is finished and goes to step (7);
(4) if straighforward operation failure, notify operations staff to go to scene to rush to repair, by the switch sign of remote control failure, be unavailable simultaneously, and generate standby self-healing recovery scheme and the straighforward operation sequence corresponding to standby self-healing recovery scheme of this intelligent distribution network, judge whether repairing work can complete in the given time;
(5) if repairing work can complete in the given time, or in step (4), cannot generate effective standby self-healing scheme, after having rushed to repair, return to step (2) and continue to carry out next straighforward operation;
(6) if repairing work can not complete in the given time, and in step (4), successfully generate standby self-healing recovery scheme and corresponding straighforward operation sequence, straighforward operation sequence corresponding to the standby self-healing recovery scheme of using step (4) to generate goes to step (2) as the straighforward operation sequence of current execution and carries out one by one straighforward operation;
(7), if carried out standby self-healing recovery scheme in intelligent distribution network self-healing recovery process, after repairing work completes, according to the initial self-healing recovery scheme obtaining in step (1), the power distribution network after recovering is reconstructed.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103580286A (en) * | 2013-11-06 | 2014-02-12 | 北京四方继保自动化股份有限公司 | Intelligent power distribution network closed-loop self-healing control method |
| CN107888409A (en) * | 2017-10-23 | 2018-04-06 | 南京南瑞集团公司 | A kind of communication network configuration data automatic synchronous method with self-healing ability |
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| WO2009120229A1 (en) * | 2008-03-25 | 2009-10-01 | Firstenergy Corp. | Method to analyze system reconfiguration for automated isolation of disturbances to the power distribution system |
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| CN103580286A (en) * | 2013-11-06 | 2014-02-12 | 北京四方继保自动化股份有限公司 | Intelligent power distribution network closed-loop self-healing control method |
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| CN107888409A (en) * | 2017-10-23 | 2018-04-06 | 南京南瑞集团公司 | A kind of communication network configuration data automatic synchronous method with self-healing ability |
| CN107888409B (en) * | 2017-10-23 | 2020-08-25 | 南京南瑞集团公司 | Communication network configuration data automatic synchronization method with self-healing capability |
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Address after: 100085 Beijing city on the base of the information industry on the street, No. four, No. 9, Haidian District Co-patentee after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION Patentee after: Beijing Sifang Jibao Automation Co., Ltd. Address before: 100085 Beijing city on the base of the information industry on the street, No. four, No. 9, Haidian District Co-patentee before: Foshan Power Supply Bureau, Guangdong Power Grid Corporation Patentee before: Beijing Sifang Jibao Automation Co., Ltd. |
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