CN103855692B - A kind of acquisition methods of multi partition relay protection constant value - Google Patents
A kind of acquisition methods of multi partition relay protection constant value Download PDFInfo
- Publication number
- CN103855692B CN103855692B CN201410118121.6A CN201410118121A CN103855692B CN 103855692 B CN103855692 B CN 103855692B CN 201410118121 A CN201410118121 A CN 201410118121A CN 103855692 B CN103855692 B CN 103855692B
- Authority
- CN
- China
- Prior art keywords
- constant value
- relay protection
- value
- protection
- protection constant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of acquisition methods of multi partition relay protection constant value, current definite value partition number is obtained from protection information system, then obtain should the protection definite value of subregion from relay protection constant value off-line setting calculation database, export to local data file, call the server that protection value data files passe is specified to safe III district by FTP order, after reverse isolation device detects file update, automatic triggering pushes to safe II district relay protection constant value on-line check system data services device, by title fuzzy matching, value data is imported to database by relay protection constant value on-line check system, be associated to corresponding electrical network primary equipment.
Description
Technical field
The invention belongs to field of relay protection in power, more particularly the present invention relates to a kind of acquisition methods of multi partition relay protection constant value.
Background technology
Traditional relay protection fixed value setting computational methods are on the normal mode basis of operation of power networks, according to the day-to-day operation rule of electrical network, consider that the usual manner of protective device perimeter circuit and plant stand changes, determine the harshest mode, " four property " (reliability is met by definite value under the harshest mode of guarantee, quick-action, sensitivity and selectivity) requirement determine protect definite value, and the line that returns back out of the same transformer station caused for capital construction or electric network reconstruction project is stopped transport more simultaneously, the special operational modes such as large power plant full cut-off, have little time the definite value of checking protective relaying device around.Obviously, once the operational mode of system arranges beyond daily mode, namely beyond the limit of consideration of off-line setting calculation mode, just may there is the accident potential of false protection or tripping, the coverage that causes the accident expands, and then may cause electrical network major accident.In recent years, along with the fast development of electrical network, electrical network capital construction, power supply are sent, electric network reconstruction project is gone into operation in a large number, and relay protection fixed value setting evaluation work can not meet the requirement of its production cycle.In capital construction, technological transformation project operation process; the bus caused accompany stop, circuit accompanies the mode of stopping, electrical network abscission ring mode becomes increasingly complex; electrical network abnormal running mode showed increased, the time extends more, brings huge challenge to current relay protection fixed value setting evaluation work.Therefore, increasing experts and scholars begin one's study the online check of relay protection constant value, on-line tuning.
Chinese invention application number be 200810147821.2 " relay protection on-line check method for electric grid system " and application number be 200810147822.7 " electric grid relay protection constant value on-line check integrated data processing method " propose the real-time running data being obtained power equipment parameter and electrical network by EMS and DTS from electrical network; then carry out calculation of fault according to protection seting code, finally according to check rule, protection definite value is checked.But above-mentioned patented method does not relate to the data-interface of online relay setting check system and existing relay protection constant value off-line setting calculation system and protection information system, do not relate to the acquisition methods of protection definite value.
There is multiple subregion in the on-the-spot protective device definite value run, when power system operating mode changes, needs frequent switching protection definite value subregion.If obtain whole protection definite values of current bay from protection information system, require higher, consider the technical conditions of current protection information system to communication condition, the speed that definite value is all run at the scene that obtains is very slow.And obtain the speed of protection definite value very soon from relay protection constant value off-line setting calculation database, but the subregion residing for current protective device definite value cannot be obtained.Relay protection constant value off-line setting calculation database can preserve multiple engineering, a corresponding definite value subregion of engineering.
Generally, relay protection constant value on-line check system layout is in safe II district, and relay protection constant value off-line setting calculation system layout is in safe III district, and transmitting file from III district toward II district needs through safety insulating device.
In view of above analysis, the present inventor carries out Improvement for Problems existing in the working practice of current relay protection constant value calculation and check, and this case produces thus.
Summary of the invention
Technical problem to be solved by this invention; for the defect in aforementioned background art and deficiency; a kind of acquisition methods of multi partition relay protection constant value is provided; current definite value partition number is obtained from protection information system; obtain should the protection definite value of subregion from relay protection constant value off-line setting calculation database, carry out relay protection constant value on-line check evaluation work.
The present invention is for solving above technical problem, and the technical scheme adopted is: a kind of acquisition methods of multi partition relay protection constant value, comprises the steps:
(1) current definite value partition number is obtained from protection information system;
(2) the protection definite value of respective partition is obtained from relay protection constant value off-line setting calculation database;
Relay protection constant value off-line setting calculation database server configures derivation program, derives protection value data file from database, be stored in this locality;
(3) server that protection value data files passe is specified to safe III district by FTP order is called;
(4), after reverse isolation device detects file update, automatically trigger and pushed to the relay protection constant value on-line check system data services device being positioned at safe II district;
(5) value data is imported to database by relay protection constant value on-line check system.
Further, described step (1) obtains current definite value partition number from protection information system, is divided into two kinds of situations, and one is that the whole network unifies change partitions, and two is each plant stand change partitions respectively, i.e. a corresponding partition number of plant stand.
Further; two kinds of methods can be had from the protection definite value of relay protection constant value off-line setting calculation database acquisition respective partition in described step (2); the one protection definite value running into non-present subregion when being reading database is directly skipped; two is that the protection definite value deriving whole subregion is stored in different files respectively, only uploads the protection definite value file of current bay.
Further, upload which file in described step (3), upload the cycle, ftp server IP address and directory path can flexible configuration.
Further: in described step (4), reverse isolation device regularly can detect file update, also can detect file update in real time.
Further: when value data is imported to database by described step (5) relay protection constant value on-line check system, by title fuzzy matching, protection definite value is associated to corresponding electrical network primary equipment.
After adopting such scheme, the invention has the beneficial effects as follows: fully automatically can carry out calculation and check work from the protection definite value of relay protection constant value off-line setting calculation database acquisition current bay, reduce maintenance workload.Protection value data file can be obtained in cross-safety zone.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail.
As shown in Figure 1, the invention provides a kind of acquisition methods of multi partition relay protection constant value, comprise the steps:
What in figure, step 1 described is obtain current definite value partition number from protection information system, and be divided into two kinds of situations, one is that the whole network unifies change partitions, and two is each plant stand change partitions respectively, i.e. a corresponding partition number of plant stand.
What in figure, step 2 described is the protection definite value obtaining respective partition from relay protection constant value off-line setting calculation database; two kinds of methods can be had; the one protection definite value running into non-present subregion when being reading database is directly skipped; two is that the protection definite value deriving whole subregion is stored in different files respectively, only uploads the protection definite value file of current bay.
What in figure, step 3 described is call FTP order will the protection value data files passe extremely safe III district server of specifying, upload which file, upload the cycle, ftp server IP address and directory path can flexible configuration.
What in figure, step 4 described is after reverse isolation device detects file update, automatically triggers being pushed to the relay protection constant value on-line check system data services device being positioned at safe II district.Reverse isolation device regularly can detect file update, also can detect file update in real time.
What in figure, step 5 described is that value data is imported to database by relay protection constant value on-line check system, by title fuzzy matching, protection definite value is associated to corresponding electrical network primary equipment.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (6)
1. an acquisition methods for multi partition relay protection constant value, is characterized in that comprising the steps:
(1) current definite value partition number is obtained from protection information system;
(2) the protection definite value of respective partition is obtained from relay protection constant value off-line setting calculation database;
Relay protection constant value off-line setting calculation database server configures derivation program, derives protection value data file from database, be stored in this locality;
(3) server that protection value data files passe is specified to safe III district by FTP order is called;
(4), after reverse isolation device detects file update, automatically trigger and pushed to the relay protection constant value on-line check system data services device being positioned at safe II district;
(5) value data is imported to database by relay protection constant value on-line check system.
2. the acquisition methods of a kind of multi partition relay protection constant value according to claim 1; it is characterized in that: described step (1) obtains current definite value partition number from protection information system; be divided into two kinds of situations; one is that the whole network unifies change partitions; two is each plant stand change partitions respectively, i.e. a corresponding partition number of plant stand.
3. the acquisition methods of a kind of multi partition relay protection constant value according to claim 1; it is characterized in that: in described step (2), have two kinds of methods from the protection definite value of relay protection constant value off-line setting calculation database acquisition respective partition; the one protection definite value running into non-present subregion when being reading database is directly skipped; two is that the protection definite value deriving whole subregion is stored in different files respectively, only uploads the protection definite value file of current bay.
4. the acquisition methods of a kind of multi partition relay protection constant value according to claim 1, is characterized in that: in described step (3) flexible configuration upload which file, upload the cycle, ftp server IP address and directory path.
5. the acquisition methods of a kind of multi partition relay protection constant value according to claim 1, is characterized in that: in described step (4), the timing of reverse isolation device detects file update or detects file update in real time.
6. the acquisition methods of a kind of multi partition relay protection constant value according to claim 1; it is characterized in that: when value data is imported to database by described step (5) relay protection constant value on-line check system; by title fuzzy matching, protection definite value is associated to corresponding electrical network primary equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118121.6A CN103855692B (en) | 2014-03-27 | 2014-03-27 | A kind of acquisition methods of multi partition relay protection constant value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118121.6A CN103855692B (en) | 2014-03-27 | 2014-03-27 | A kind of acquisition methods of multi partition relay protection constant value |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103855692A CN103855692A (en) | 2014-06-11 |
| CN103855692B true CN103855692B (en) | 2015-11-18 |
Family
ID=50863025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410118121.6A Active CN103855692B (en) | 2014-03-27 | 2014-03-27 | A kind of acquisition methods of multi partition relay protection constant value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103855692B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052016B (en) * | 2014-07-14 | 2017-01-11 | 深圳市国电南思系统控制有限公司 | Fixed value modification method and equipment based on purson system and fixed value setting system |
| CN105186690B (en) * | 2015-09-02 | 2017-08-04 | 南京南瑞继保电气有限公司 | Relay protection device constant value remote operation method |
| CN107294048A (en) * | 2017-08-09 | 2017-10-24 | 南京南瑞继保电气有限公司 | Consider the protection fixed value adjusting method of new energy and flexible transmission fault characteristic |
| CN112180186A (en) * | 2019-07-05 | 2021-01-05 | 国网新疆电力有限公司 | Automatic checking method for fixed value of intelligent substation relay protection device |
| CN110932226B (en) * | 2019-11-25 | 2022-04-01 | 深圳供电局有限公司 | Automatic checking system for relay protection setting value |
| CN112531631B (en) * | 2020-12-11 | 2023-03-03 | 深圳供电局有限公司 | Total-station protection constant value one-key execution method and system for infrastructure substation |
| CN114421439B (en) * | 2021-12-28 | 2023-11-24 | 贵州电网有限责任公司 | Power grid protection fixed value data changing method based on visualization and expert system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255391A (en) * | 2011-07-29 | 2011-11-23 | 南京因泰莱配电自动化设备有限公司 | Feeder automation system with on-line protective fixed value setting function |
| CN102709888A (en) * | 2012-05-25 | 2012-10-03 | 广州供电局有限公司 | Method and system of on-line fixed value operation of signal protection substation |
| CN102709894A (en) * | 2012-06-18 | 2012-10-03 | 广东电网公司珠海供电局 | On-line checking method and system for relay protection setting value |
-
2014
- 2014-03-27 CN CN201410118121.6A patent/CN103855692B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255391A (en) * | 2011-07-29 | 2011-11-23 | 南京因泰莱配电自动化设备有限公司 | Feeder automation system with on-line protective fixed value setting function |
| CN102709888A (en) * | 2012-05-25 | 2012-10-03 | 广州供电局有限公司 | Method and system of on-line fixed value operation of signal protection substation |
| CN102709894A (en) * | 2012-06-18 | 2012-10-03 | 广东电网公司珠海供电局 | On-line checking method and system for relay protection setting value |
Non-Patent Citations (2)
| Title |
|---|
| 基于动态短路电流计算的继电保护定值在线校核系统;毕兆东等;《电力系统自动化》;20120410;第36卷(第7期);第81-84页 * |
| 继电保护定值在线整定功能的实现;王增平等;《电力系统保护与控制》;20120101;第40卷(第1期);第127-130页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103855692A (en) | 2014-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103855692B (en) | A kind of acquisition methods of multi partition relay protection constant value | |
| US9874593B2 (en) | Decision support system for outage management and automated crew dispatch | |
| CN103592567B (en) | The electric network fault positioning system integrated based on multi-system information and method | |
| CN103093276B (en) | Urban power grid risk assessment method | |
| US20130261829A1 (en) | Method for generating current differential protection supernode based on electrical topology of regional distribution network | |
| CN105429301B (en) | A kind of Intelligent power distribution network self-healing control method based on modal analysis | |
| CN104978391A (en) | System and method for automated substation design and configuration | |
| CN105119237B (en) | The method that relay protection operation is checked | |
| Guo et al. | An analytic model-based approach for power system alarm processing employing temporal constraint network | |
| CN104240045A (en) | Method for analyzing coordination and safety of protective relaying of regional power grid | |
| CN103457249A (en) | Smart distribution network distributed type pilot protection method and system | |
| CN102426309A (en) | Method for testing area spare power automatic switching system in engine room environment of master station | |
| Cirio et al. | Wide area monitoring in the Italian power system: architecture, functions and experiences | |
| CN112421777A (en) | Intelligent fusion terminal equipment | |
| CN104201766B (en) | The method determining prepared auto restart sequential and combination is followed the trail of based on power supply point | |
| CN103825241B (en) | A kind of automatic obtaining method of electric network element Zero sequence parameter | |
| CN105743071A (en) | Relay protection online safety margin evaluation system | |
| US9581995B2 (en) | Systems and methods for monitoring of equipment using a configurable rule base | |
| CN105703479B (en) | Main website, the method for substation automation equipment linkage from top to bottom are realized in passage extension | |
| CN104218668B (en) | The tracking defining method of the prepared auto restart of action is caused during device fails | |
| CN103326355B (en) | A kind of electrical network automatic electric partition method considering transformer station's split operation | |
| Hossain-McKenzie et al. | Adaptive, cyber-physical special protection schemes to defend the electric grid against predictable and unpredictable disturbances | |
| CN102508052A (en) | Test method for field band channel operation of automatic bus transfer system of area network | |
| CN108736455B (en) | Relay protection simulation method and system | |
| Rahman et al. | Cyber vulnerabilities on agent-based smart grid protection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220310 Address after: No.17 Binhe Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Guizhou Power Grid Co.,Ltd. Address before: No. 45, Zhongshan Middle Road, Liupanshui City, Guizhou Province 553001 Patentee before: LIUPANSHUI POWER SUPPLY BUREAU, GUIZHOU GRID CO.,LTD. Patentee before: Nanjing Nan relic Electric Co., Ltd. |
|
| TR01 | Transfer of patent right |