CN103248120B - A kind of scheduling station does not rely on accident resultant signal and realizes the method that emergency stop valve trip judges - Google Patents
A kind of scheduling station does not rely on accident resultant signal and realizes the method that emergency stop valve trip judges Download PDFInfo
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Abstract
The invention discloses a kind of method that scheduling station does not rely on accident resultant signal and realize emergency stop valve trip judgement, one, when after the switch failure tripping operation of transformer station, can upload switch separating brake information, protection action message, Switch main body information, device warning information and accident total information, and the load current of circuit also can change; Two, first step judgement is to judge whether the infrastructure device in transformer station normally puts into operation; The process of second step judgement is to check forward the load current occurring in inherent this interval for 15 minutes; The 3rd step judges it is the information appearance that before and after checking, in 1 minute, whether our station has protection to move; The 4th step deterministic process is to check whether the infrastructure device in transformer station is set to board; The 5th step deterministic process is to look into see if there is straighforward operation, if there is straighforward operation, just finishes deterministic process, and this tripping operation is owing to occurring that straighforward operation causes, if there is not straighforward operation phenomenon, this tripping operation belongs to emergency stop valve trip, and deterministic process finishes.
Description
Technical field
The present invention relates to a kind of method that scheduling station does not rely on accident resultant signal and realize emergency stop valve trip judgement.
Background technology
Scheduling energy management system (EMS) is realized phonic warning and judge therefore the method for picture generally has two kinds in substation accident tripping operation: 1, the total lock+our station of station accident switch separating brake entirely, 2, the total lock of interval accident+this interval switch separating brake, both all need to meet regular hour requirement simultaneously. Above two kinds of modes all require total timely, the precision maneuver of accident, and substation field exists various ways to the total generating mode of accident, totally as follows: 1, software synthesis mode. Full station all interval protections action message is carried out "or" calculating or all intervals accident is always carried out to "or" calculating, and it is total that arbitrary action all triggers full station accident. Existing problems: always accident involution in time, even if adopt in short-term from reset function, is also deposited the risk of during this period of time leaking alarm. 2, hard circuit type. All switch trips position, full station (TWJ) series connection is closed to the rear little bus of full station accident in rear position (HHJ), and it is total that arbitrary switch failure tripping operation all triggers full station accident. Existing problems: have equally always involution in time of accident, must carry out manual brake separating by all switches, position of the switch correspondence afterwards full station accident always could involution.
Therefore main website carries out emergency stop valve trip judgement, must there is accident total (station or interval entirely) action, and have relatively high expectations interval time with switch sub-gate signal, conventionally in level second. And combine at present from transformer station's observing and controlling separately the interval of configuration (110kV and more than) substantially can meet time requirement; but the time between the device accident summation switch separating brake of unifying for low pressure (35kV and following) protection observing and controlling not exclusively meets the demands; and 35kV and following interval have comprised most users interval; as do not found in time circuit dead electricity quick power transmission, just can not meet the supreme management expectancy of enterprises service.
Summary of the invention
The invention provides a kind of method that scheduling station does not rely on accident resultant signal and realize emergency stop valve trip judgement, it can make scheduling station reach timely, comprehensive, correct emergency stop valve trip judgement.
The present invention has adopted following technical scheme: a kind of scheduling station does not rely on accident resultant signal and realizes the method that emergency stop valve trip judges, it comprises the following steps: step 1, when after the switch failure tripping operation of transformer station, can upload switch separating brake information, protection action message, Switch main body information, device warning information and accident total information, and the load current of circuit also can change, step 2, first step deterministic process is to judge whether the infrastructure device in transformer station normally puts into operation, if infrastructure device puts into operation in abnormal condition, finish deterministic process, this tripping operation is because the infrastructure device of transformer station causes, if infrastructure device puts into operation in normal condition, enter second step deterministic process, the process of second step judgement is to check forward the load current occurring in inherent this interval for 15 minutes, in the time of load current Ia < 0.2A, finish deterministic process, this tripping operation is to cause because the load current in this interval is too small, if when Ia >=0.2A, enter the 3rd step deterministic process, the 3rd step judges it is the information appearance that before and after checking, in 1 minute, whether our station has protection to move, if do not protect the information of action to occur, finish deterministic process, this tripping operation is owing to not protecting action to cause, if there is protection action message to occur, enter the 4th step deterministic process, the 4th step deterministic process is to check whether the infrastructure device in transformer station is set to board, if there is putting board, finish judgement, this tripping operation is owing to having occurred that putting board phenomenon causes, if there is not putting board phenomenon, enter the 5th step deterministic process, the 5th step deterministic process is to look into see if there is straighforward operation, if there is straighforward operation, just finish deterministic process, this tripping operation is owing to occurring that straighforward operation causes, if there is not straighforward operation phenomenon, this tripping operation belongs to emergency stop valve trip, and deterministic process finishes.
The present invention has following beneficial effect: adopted after above technical scheme, the present invention can not rely on accident total information and realize scheduling station system and correctly judge emergency stop valve trip. The present invention not only can realize the judgement of regulation and control main website emergency stop valve trip at all, and can automatically differentiate the breaker accident separating brake information in the abnormal running situations such as signal in capital construction process is checked, service work accident separating brake information of putting the situation generations such as board not yet in effect, greatly improve the disposal ability of main station monitoring personnel to emergency stop valve trip event, the more important thing is and can reduce equipment power off time, avoid the dispute of powering. Aspect maintenance, operational management meaning, it is realized and effectively improves and supplement existing emergency stop valve trip implementation, and possesses actual dissemination. Therefore by the application of this patent, reach scheduling station timely, comprehensive, correct carry out emergency stop valve trip judgement. The present invention comprises that without accident total information accident summation interval, full station accident is total, just do not exist transformer station's information is uploaded to requirement of real-time yet, particularly old transformer station does not need any transformation just can realize main website emergency stop valve trip judgement, and judged result is more accurate and comprehensive, can solve because of the breaker accident separating brake information in the abnormal running situations such as signal in capital construction process is checked, service work accident separating brake information of putting the situation generations such as board not yet in effect.
Brief description of the drawings
Fig. 1 is flow chart of the present invention.
Detailed description of the invention
In in Fig. 1, the invention provides a kind of method that scheduling station does not rely on accident resultant signal and realize emergency stop valve trip judgement, it comprises the following steps: step 1, when after the switch failure tripping operation of transformer station, can upload switch separating brake information, protection action message, Switch main body information, device warning information and accident total information, and the load current of circuit also can change; Step 2, first step deterministic process is to judge whether the infrastructure device in transformer station normally puts into operation, if infrastructure device puts into operation in abnormal condition, finish deterministic process, this tripping operation is because the infrastructure device of transformer station causes, if infrastructure device puts into operation in normal condition, enter second step deterministic process, can effectively filter like this capital construction class switch separating brake; The process of second step judgement is to check forward the load current occurring in inherent this interval for 15 minutes, in the time of load current Ia < 0.2A, finish deterministic process, this tripping operation is to cause because the load current in this interval is too small, if when Ia >=0.2A, enter the 3rd step deterministic process, can effectively filter like this capital construction or maintenance class switch separating brake; The 3rd step judges it is the information appearance that before and after checking, in 1 minute, whether our station has protection to move, if do not protect the information of action to occur, finish deterministic process, this tripping operation is owing to not protecting action to cause, if there is protection action message to occur, enter the 4th step deterministic process, can effectively filter like this distant place or on-site manual class switch separating brake; The 4th step deterministic process is to check whether the infrastructure device in transformer station is set to board, if there is putting board, finish judgement, this tripping operation is owing to having occurred that putting board phenomenon causes, if there is not putting board phenomenon, enter the 5th step deterministic process, the 5th step deterministic process is to look into see if there is straighforward operation, if there is straighforward operation, just finish deterministic process, this tripping operation is owing to occurring that straighforward operation causes, if there is not straighforward operation phenomenon, this tripping operation belongs to emergency stop valve trip, and deterministic process finishes.
Claims (1)
1. scheduling station does not rely on accident resultant signal and realizes the method that emergency stop valve trip judges, it comprises the following steps:
Step 1, when after the switch failure tripping operation of transformer station, can upload switch separating brake information, protection action message, Switch main body information, device warning information and accident total information, and the load current of circuit also can change, step 2, first step deterministic process is to judge whether the infrastructure device in transformer station normally puts into operation, if infrastructure device puts into operation in abnormal condition, finish deterministic process, this tripping operation is because the infrastructure device of transformer station causes, if infrastructure device puts into operation in normal condition, enter second step deterministic process, the process of second step judgement is to check forward the load current occurring in inherent this interval for 15 minutes, in the time of load current Ia < 0.2A, finish deterministic process, this tripping operation is to cause because the load current in this interval is too small, if when Ia >=0.2A, enter the 3rd step deterministic process, the 3rd step judges it is the information appearance that before and after checking, in 1 minute, whether our station has protection to move, if do not protect the information of action to occur, finish deterministic process, this tripping operation is owing to not protecting action to cause, if have protection action message to occur, enter the 4th step deterministic process, the 4th step deterministic process is to check whether the infrastructure device in transformer station is set to board, if there is putting board, finishes judgement, and this tripping operation, owing to having occurred that putting board phenomenon causes, if there is not putting board phenomenon, enters the 5th step deterministic process, the 5th step deterministic process is to look into see if there is straighforward operation, if there is straighforward operation, just finish deterministic process, this tripping operation is owing to occurring that straighforward operation causes, if there is not straighforward operation phenomenon, this tripping operation belongs to emergency stop valve trip, deterministic process finishes, in deterministic process, not only can realize the judgement of regulation and control main website emergency stop valve trip at all, and can automatically differentiate signal in capital construction process and check, breaker accident separating brake information in service work accident separating brake information abnormal running situation of putting the generation of the cards one holds condition not yet in effect, greatly improve the disposal ability of main station monitoring personnel to emergency stop valve trip event, the more important thing is and can reduce equipment power off time, avoid the dispute of powering, it comprises full station accident total information and interval accident total information without accident total information, just do not exist transformer station's information is uploaded to requirement of real-time yet, particularly old transformer station does not need any transformation just can realize main website emergency stop valve trip judgement, and judged result is more accurate and comprehensive, can solve and check because of signal in capital construction process, breaker accident separating brake information in service work accident separating brake information abnormal running situation of putting the generation of the cards one holds condition not yet in effect.
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| CN201310137499.6A CN103248120B (en) | 2013-04-19 | 2013-04-19 | A kind of scheduling station does not rely on accident resultant signal and realizes the method that emergency stop valve trip judges |
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| CN104316788A (en) * | 2014-10-16 | 2015-01-28 | 国家电网公司 | Method for judging tripping of outgoing line of double-feed wind turbine generator |
| CN105425092A (en) * | 2015-11-17 | 2016-03-23 | 高新兴科技集团股份有限公司 | Method for judging network cabinet tripping |
| CN110047267A (en) * | 2019-04-24 | 2019-07-23 | 广东电网有限责任公司 | A kind of signal blockage method and system |
| CN112165164B (en) * | 2020-09-22 | 2022-06-14 | 广东电网有限责任公司 | Switch stealing and jumping judgment method and device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101789626A (en) * | 2010-01-05 | 2010-07-28 | 国电南瑞科技股份有限公司 | Protected object-oriented automatic modeling and real-time information joint processing method |
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| CN101789626A (en) * | 2010-01-05 | 2010-07-28 | 国电南瑞科技股份有限公司 | Protected object-oriented automatic modeling and real-time information joint processing method |
Non-Patent Citations (1)
| Title |
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| 《调度自动化事故跳闸判断的分析》;邱丽娜;《科学时代》;20120630(第11期);第1-2页 * |
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