CN105337257A - Adaptive method for realizing substation area protection fixed value based on center server - Google Patents
Adaptive method for realizing substation area protection fixed value based on center server Download PDFInfo
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- CN105337257A CN105337257A CN201510691256.6A CN201510691256A CN105337257A CN 105337257 A CN105337257 A CN 105337257A CN 201510691256 A CN201510691256 A CN 201510691256A CN 105337257 A CN105337257 A CN 105337257A
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- Prior art keywords
- definite value
- territory
- control device
- protective device
- central server
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
Abstract
The invention discloses an adaptive method for realizing a substation area protection fixed value based on a center server, comprising steps of realizing functions of a management machine through a center server, monitoring an operation state of a on-site protection device in real time, an on-site protection fixed value and a power grid system operation state, realizing a fixed value on-line intelligent decision by the center server according to the operation mode of the power grid system and the change of the on-site protection commissioning, performing synchronization on the corresponding fixed value of the on-site protection fixed value and the substation area protection control device when the on-site protection operation state is normal, deciding an appropriate fixed value for the system operation state in real time according to the power grid when the on-site protection operation is abnormal and operating the fixed value of the substation area protection control device. The invention realizes the concentrated decision of the fixed value, real-time control, greatly improves the reliability of the power grid system operation, reduces the workload of the on-site working staff, and improves the working efficiency.
Description
Technical field
The present invention relates to a kind of based on the adaptive method of central server realization station territory protection definite value, belong to power system automation technology field.
Background technology
Territory protecting control device of standing is shared based on intelligent substation network data; multi-compartment circuit in comprehensive utilization station, the electric parameters of element, switching value and with regard to information such as region proterctive equipment states; realize protective redundancy in station, optimization, supplement and the function such as safety automation control, the function of the information interaction of multistation can be possessed simultaneously.Stand and be integrated with the redundancy protecting of mother (segmentation) and many circuits in the protecting control device of territory, achieve the optimization of failure protection and bus backup protection, achieve low-frequency low-voltage load shedding, the functions such as territory prepared auto restart are cut and stood to main transformer overload connection.
Because territory, station protecting control device surface is to full station, protecting control number of objects is a lot, self functional configuration Relatively centralized, and the definite value item of territory protecting control device of therefore standing is very many.Simultaneously because territory, station protecting control device cannot obtain site protection running status and network system running status; when system operation mode changes; definite value cannot adjust timely; just can not meet sensitivity and optionally requirement in real time, be unfavorable for the safe and stable operation of electrical network.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art; there is provided a kind of and realize territory protecting control device definite value adaptive method in station based on central server according to site protection running status and network system running status, improve the operational reliability of network system to greatest extent and simplify the maintenance work amount of field personnel.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of based on the adaptive method of central server realization station territory protection definite value, comprise the following steps:
1) build central server, described central server is connected to the station level network of intelligent substation, sets up MMS be connected by station level network with site protective device, measure and control device and territory protecting control device of standing;
Described central server comprises service module, document processing module, intelligent decision module and memory module, wherein,
Service module comprises communication service, definite value service and report services; Communication service realizes the intercommunication mutually with site protective device and territory protecting control device of standing according to network layer IP address; Definite value service completes the reading of site protection definite value, adjusting of territory protecting control device definite value of standing; The report of report services complete operation is sent;
Document processing module completes the process of model file, determines the mapping relations at corresponding interval in site protective device and territory, station protecting control device;
Intelligent decision module completes the definite value calculating site protective device according to network system running status and primary equipment parameter in real time;
Memory module completes the storage of information needed; Storage information comprises model file, definite value file, position of the switch information and system parameters, CT no-load voltage ratio;
2) central server utilizes the uniqueness of device distributing IP address in intelligent substation, distinguish protective device of entirely standing, and the remote signalling by the point information of different network addresss acquisition site protective device and measure and control device send in transformer station MMS network obtains switch, disconnecting link positional information, and by memory module, information is stored;
3) output information of its health status of representative that exports according to site protective device of central server, differentiates site protective device operation conditions;
4) central server judges that site protective device function is thrown move back state according to the definite value that site protective device send, control word, pressing plate information;
5) the intelligent decision module of central server is according to switch, disconnecting link position, and situation is moved back in the function throwing of site protective device, carry out centralized decision-making, automatic decision network system running status, and on-line automatic calculating current time site protective device definite value;
6) when site protective device normally runs, central server reads the point information of site protective device by MMS network, and in the protecting control device of territory, station, the definite value parameter tuning at corresponding interval is checked; After site protection definite value occurs upgrading variation, territory protecting control device of standing upgrades the definite value of corresponding interval protection, completes after adjusting and is compared and realize the anti-school of parameter by the definite value file in the definite value of territory, station protecting control device and memory module;
7) when site protective device abnormal out of service time, the definite value of site protective device that central server will calculate in real time according to network system running status, and in the protecting control device of territory, station, the definite value parameter tuning at corresponding interval is checked.When after the change of network system running status, if the site protection definite value calculated changes, then territory protecting control device of standing upgrades the definite value of corresponding interval protection.Complete after adjusting and the definite value file in the definite value of territory, station protecting control device and memory module is compared, realize the anti-school of parameter.
Aforesaid step 6) and step 7) in; carry out the check of definite value parameter tuning to refer to; during the protecting control plant running of territory, station; central server is according to the time interval of setting; the definite value calculated in real time according to network system running status according to current site protective device running status and definite value, central server and the verification principle of comparing with the definite value file in memory module, carry out on-line tuning check to when various protection definite value in the protecting control device of territory, next stop.
Aforesaid step 6) and step 7) in, if the definite value of the corresponding interval protection of station territory protecting control device is updated successfully, then provide prompt report; If upgrade unsuccessfully, then territory protecting control device prompting abnormal information of standing.
The invention has the beneficial effects as follows:
(1) definite value that present invention achieves station territory protecting control device is self-adaptative adjustment with the running status of site protective device and the change of network system running status, improves reliability and flexibility that device uses;
(2) present invention achieves the implementing monitoring to site protective device running status and the situation that puts into operation, comprehensive descision guarantees the accuracy of territory, station protecting control device definite value;
(3) invention increases territory, station protecting control device to the adaptability of electrical network, improve operation of power networks reliability, simplify the workload of operation maintenance personnel.
Accompanying drawing explanation
Fig. 1 is central server of the present invention and territory, station protecting control plant network structure chart;
Fig. 2 is central server functional schematic of the present invention.
Embodiment
The present invention realizes the function of supervisor by central server, in real time monitoring site protection running status, site protection definite value and network system operational mode, specific as follows:
As shown in Figure 1, central server is connected to the station level network of intelligent substation, sets up MMS be connected by station level network with site protective device, measure and control device and territory protecting control device of standing.
As shown in Figure 2, central server comprises service module, document processing module, intelligent decision module and memory module, wherein,
Service module comprises communication service, definite value service and report services.Communication service realizes the intercommunication mutually with site protective device and territory protecting control device of standing according to network layer IP address.Definite value service completes the reading of site protection definite value, adjusting of territory protecting control device definite value of standing.The report of report services complete operation is sent.
Document processing module completes the process of model file, determines the mapping relations at corresponding interval in site protective device and territory, station protecting control device.
Intelligent decision module completes the definite value calculating site protective device according to network system running status and primary equipment parameter in real time.
Memory module completes the storage of information needed.Storage information comprises model file, definite value file, position of the switch information and system parameters, CT no-load voltage ratio etc.
Central server utilizes the uniqueness of device distributing IP address in intelligent substation; distinguish protective device of entirely standing; and the remote signalling by the point information of different network addresss acquisition site protective device and measure and control device send in transformer station MMS network obtains switch, disconnecting link positional information, and by memory module, information is stored.
The output information of its health status of representative that central server exports according to site protective device, differentiates site protective device operation conditions.
According to information such as the definite value that site protective device send, control word, pressing plates, central server judges that site protective device function is thrown and moves back state.
Central server intelligent decision module passes through measure and control device receiving key, disconnecting link position according in transformer station MMS network; and situation is moved back in the throwing of site protective device; the information obtained is carried out " centralized decision-making "; automatic decision network system running status, and on-line automatic calculating current time site protective device definite value.
The information such as central server communication state, intelligent decision module result of calculation, network system running status, definite value parameter tuning check result are all by the report services of service module send background monitoring system.
Territory, the station of the present invention adaptive implementation method of protecting control device definite value is as follows:
1. when site protective device normally runs, central server reads the point information of site protective device by MMS network, with the definite value parameter tuning at corresponding interval is checked in the protecting control device of territory, station, after site protection definite value occurs upgrading variation, territory protecting control device of standing upgrades the definite value of corresponding interval protection, completes after adjusting and is compared and realize the anti-school of parameter by the definite value file in the definite value of territory, station protecting control device and memory module;
2. when site protective device abnormal out of service time, the definite value of site protective device that central server will calculate in real time according to network system running status, and in the protecting control device of territory, station, the definite value parameter tuning at corresponding interval is checked.When after the change of network system running status, if the site protection definite value calculated changes, then territory protecting control device of standing upgrades the definite value of corresponding interval protection.Complete after adjusting and the definite value file in the definite value of territory, station protecting control device and memory module is compared, realize the anti-school of parameter.
Above-mentioned online definite value parameter tuning is checked and is referred to; during the protecting control plant running of territory, station; central server is according to the time interval of setting; the definite value calculated in real time according to network system running status according to current site protective device running status and definite value, central server and the verification principle of comparing with the definite value file in memory module, carry out on-line tuning check to when various protection definite value in the protecting control device of territory, next stop.
If the definite value of the interval protection that above-mentioned territory, station protecting control device is corresponding is updated successfully, then provide prompt report; If upgrade unsuccessfully, then territory protecting control device prompting abnormal information of standing.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (3)
1. realize the adaptive method of territory, station protection definite value based on central server, it is characterized in that, comprise the following steps:
1) build central server, described central server is connected to the station level network of intelligent substation, sets up MMS be connected by station level network with site protective device, measure and control device and territory protecting control device of standing;
Described central server comprises service module, document processing module, intelligent decision module and memory module, wherein,
Service module comprises communication service, definite value service and report services; Communication service realizes the intercommunication mutually with site protective device and territory protecting control device of standing according to network layer IP address; Definite value service completes the reading of site protection definite value, adjusting of territory protecting control device definite value of standing; The report of report services complete operation is sent;
Document processing module completes the process of model file, determines the mapping relations at corresponding interval in site protective device and territory, station protecting control device;
Intelligent decision module completes the definite value calculating site protective device according to network system running status and primary equipment parameter in real time;
Memory module completes the storage of information needed; Storage information comprises model file, definite value file, position of the switch information and system parameters, CT no-load voltage ratio;
2) central server utilizes the uniqueness of device distributing IP address in intelligent substation, distinguish protective device of entirely standing, and the remote signalling by the point information of different network addresss acquisition site protective device and measure and control device send in transformer station MMS network obtains switch, disconnecting link positional information, and by memory module, information is stored;
3) output information of its health status of representative that exports according to site protective device of central server, differentiates site protective device operation conditions;
4) central server judges that site protective device function is thrown move back state according to the definite value that site protective device send, control word, pressing plate information;
5) the intelligent decision module of central server is according to switch, disconnecting link position, and situation is moved back in the function throwing of site protective device, carries out centralized decision-making, automatic decision network system running status, and on-line automatic calculating current time site protective device definite value;
6) when site protective device normally runs, central server reads the point information of site protective device by MMS network, and in the protecting control device of territory, station, the definite value parameter tuning at corresponding interval is checked; After site protection definite value occurs upgrading variation, territory protecting control device of standing upgrades the definite value of corresponding interval protection, completes after adjusting and is compared and realize the anti-school of parameter by the definite value file in the definite value of territory, station protecting control device and memory module;
7) when site protective device abnormal out of service time, the definite value of site protective device that central server will calculate in real time according to network system running status, and in the protecting control device of territory, station, the definite value parameter tuning at corresponding interval is checked; When after the change of network system running status; if the site protection definite value calculated changes; territory protecting control device of then standing upgrades the definite value of corresponding interval protection; complete after adjusting and the definite value file in the definite value of territory, station protecting control device and memory module is compared, realize the anti-school of parameter.
2. one according to claim 1 realizes the adaptive method of territory, station protection definite value based on central server, it is characterized in that, in described step 6) and step 7), carry out the check of definite value parameter tuning to refer to, during the protecting control plant running of territory, station, central server is according to the time interval of setting, according to current site protective device running status and definite value, the definite value that central server calculates in real time according to network system running status and the verification principle of comparing with the definite value file in memory module, on-line tuning check is carried out to when various protection definite value in the protecting control device of territory, next stop.
3. one according to claim 1 realizes the adaptive method of territory, station protection definite value based on central server, it is characterized in that, in described step 6) and step 7), if the definite value of the corresponding interval protection of territory, station protecting control device is updated successfully, then provide prompt report; If upgrade unsuccessfully, then territory protecting control device prompting abnormal information of standing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510691256.6A CN105337257B (en) | 2015-10-22 | 2015-10-22 | It is a kind of that the adaptive method of station domain protection definite value is realized based on central server |
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| CN201510691256.6A CN105337257B (en) | 2015-10-22 | 2015-10-22 | It is a kind of that the adaptive method of station domain protection definite value is realized based on central server |
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| CN105337257B CN105337257B (en) | 2018-05-11 |
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Cited By (3)
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| CN108803701A (en) * | 2018-06-25 | 2018-11-13 | 南京千智电气科技有限公司 | Definite value method of adjustment and security control device |
| CN109787186A (en) * | 2017-11-15 | 2019-05-21 | 中国电力科学研究院有限公司 | A kind of multistage power grid wide area definite value check method and system based on cloud platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107769170A (en) * | 2017-10-10 | 2018-03-06 | 广东电网有限责任公司电力调度控制中心 | The check method that a kind of main back-up protection definite value distant place decoupling is adjusted |
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| CN109787186A (en) * | 2017-11-15 | 2019-05-21 | 中国电力科学研究院有限公司 | A kind of multistage power grid wide area definite value check method and system based on cloud platform |
| CN109787186B (en) * | 2017-11-15 | 2022-08-09 | 中国电力科学研究院有限公司 | Cloud platform based multi-stage power grid wide area fixed value checking method and system |
| CN108803701A (en) * | 2018-06-25 | 2018-11-13 | 南京千智电气科技有限公司 | Definite value method of adjustment and security control device |
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| CN105337257B (en) | 2018-05-11 |
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