CN103326470B - On-line standby method for transformer substation secondary equipment controlled by soft pressing plate - Google Patents
On-line standby method for transformer substation secondary equipment controlled by soft pressing plate Download PDFInfo
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Abstract
The invention relates to an on-line standby method for transformer substation secondary equipment controlled by a soft pressing plate. The on-line standby method comprises the following steps that the standby equipment receives a soft pressing plate switching command sent by a station level management module and stores soft pressing plate states; a soft pressing plate state file stored in the standby equipment is read, and the soft pressing plate states are read from the soft pressing plate state file to a pressing plate buffer zone; the soft pressing plate states stored in the standby equipment are synchronized, and whether the synchronization result is correct or not is judged; a main equipment N pressing plate and standby platform pressing plate state file after the synchronization is stored; whether the storage of the main equipment N pressing plate and standby platform pressing plate state is finished is judged; whether the standby equipment needs to switch a running state is judged; if the standby equipment needs to switch the running state, a standby equipment running state marking position is arranged, and a switching process is started; otherwise, the next step is conducted; the control process is ended. According to the on-line standby method for the transformer substation secondary equipment controlled by the soft pressing plate, on the premise that interlayer equipment is arranged to be in standby application, the number of the standby equipment is reduced, flexible switch and control of the standby function are realized, and the on-line standby method has controllability and operability.
Description
Technical field
The present invention relates to power system automatic field, be specifically related to manufacture the method for power system automation apparatus/product, be specifically related to the online alternative mean of substation secondary device that a kind of soft pressing plate controls and device.
Background technology
Intelligent substation bay device adopts communication mode to realize the issue of the mutual of information and control command mostly, and IEC61850 standard is all followed in the realization of communication link.Due to the change of input and output link engineering construction mode, the development of intelligent substation bay device can adopt the mode of general wall platform additional application functional software.Therefore, can be realized by software operation the switching of different interval application function.Focus mostly on, communication network perfect in its function i ntegration of the research of present stage to secondary equipment of intelligent converting station is expanded and the aspect such as senior application realization, pay close attention to less to aspects such as the failure diagnosis of secondary device, the isolation maintenance of lost efficacy judgement and disabling devices, research is lacked to the online standby mode of secondary device, does not give full play to the advantage that secondary equipment of intelligent converting station information sharing brings.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide the online alternative mean of substation secondary device that a kind of soft pressing plate controls, another object is to provide the online reserve arrangement of the substation secondary device controlled with soft pressing plate, the present invention completes under bay device prerequisite for subsequent use, reduce the quantity of stand-by equipment, realize flexible switching and the control of standby functions, possess controllability and operability.On the unitized basis of hardware and software platform of secondary equipment of intelligent converting station, multi-functional application software can be configured in stand-by equipment.By controlling on the spot or Long-distance Control, adopt the switching of its standby functions of mode cooperation control of soft pressing plate switching.
The object of the invention is to adopt following technical proposals to realize:
The invention provides the online alternative mean of a kind of substation secondary device utilizing soft pressing plate to control, its improvements are, described method comprises the steps:
(1) the soft pressing plate switching order of stand-by equipment receiving station control layer-management module transmission, and store soft pressing plate state;
(2) read the soft pressing plate status file be stored in stand-by equipment, and therefrom read soft pressing plate state to pressing plate buffering area; Described soft pressing plate comprises main equipment N pressing plate (N is natural number) and stand-by platform pressing plate;
(3) the soft pressing plate state of all devices stored in stand-by equipment is carried out synchronously, and differentiate that whether synchronized result is correct;
(4) the main equipment N pressing plate synchronously and stand-by platform pressing plate status file is stored;
(5) judge whether main equipment N pressing plate and stand-by platform pressing plate state store complete;
(6) judge that stand-by equipment is the need of switchover operation state: if desired carry out running status switching, then purchase and use equipment running status flag bit, start handoff procedure; Otherwise carry out step (7);
(7) soft pressing plate control flow terminates.
Wherein, in described step (3), all relevant with the equipment investment soft pressing plate stored in stand-by equipment is carried out synchronously, if synchronized result is correct, then carry out step (4); Otherwise after the alarm of station level administration module, carry out step (7).
Wherein, in described step (5), if main equipment N pressing plate and stand-by platform pressing plate state store complete, then carry out step (6); Otherwise carry out step (7).
Wherein, in described step (6), according to current master N pressing plate and stand-by platform pressing plate switching state and current master and stand-by equipment running status, judge that stand-by equipment is the need of switchover operation state, its judgment principle is as follows:
Soft pressing plate state in <1> stand-by equipment is when exiting and is defaulted as stand-by platform pressing plate input, and stand-by equipment operates in monitoring platform state;
When <2> stand-by platform pressing plate and main equipment pressing plate drop into simultaneously, to be as the criterion switching device running status with main equipment pressing plate;
When <3> multiple stage main equipment pressing plate drops into simultaneously, stand-by equipment running status is constant, does not carry out running status handover operation;
When <4> multiple stage main equipment pressing plate drops into simultaneously, exit one of them main equipment pressing plate, then stand-by equipment according to priority operates in the running status of another main equipment pressing plate;
<5> is only after all main equipment pressing plates all exit, and stand-by equipment switches to monitoring platform state and runs;
<6> is as the set of stand-by equipment running status switching mark position, and stand-by equipment is in running status handoff procedure, does not carry out above-mentioned judgement.
Wherein, whether switching judging comprises the steps: stand-by equipment running status
The pressing plate file of A, synchronous main equipment pressing plate and stand-by platform pressing plate;
B, reading stand-by equipment are when front pressuring plate file;
C, obtain stand-by equipment when front pressuring plate state;
D, judge whether stand-by equipment operates in monitoring platform state: if stand-by equipment operates in monitoring platform state, then carry out step e; Otherwise carry out step F;
E, judge stand-by equipment when front pressuring plate whether be main equipment pressing plate: if stand-by equipment when front pressuring plate be main equipment pressing plate, then carry out step I; Otherwise carry out step K;
F, judge whether stand-by equipment operates in master status: if stand-by equipment operates in master status, then carry out step G; Otherwise carry out step K;
G, judge stand-by equipment when front pressuring plate whether be main equipment pressing plate: if stand-by equipment when front pressuring plate be main equipment pressing plate, then carry out step K, otherwise carry out step H;
H, judge stand-by equipment when front pressuring plate whether be monitoring platform pressing plate: if stand-by equipment when front pressuring plate be monitoring platform pressing plate, then carry out step J, otherwise carry out step K;
I, stand-by equipment are switched to main equipment pressing plate state;
J, stand-by equipment are switched to status monitoring platform status;
K, do not carry out any switching, terminate stand-by equipment running status and judge.
The present invention is based on the online reserve arrangement of a kind of substation secondary device utilizing soft pressing plate to control that another object provides, its improvements are, described device comprises station level equipment and bay device; Described bay device comprises the main equipment and stand-by equipment that carry out data interaction, described main equipment and stand-by equipment all with station level equipment connection; Described stand-by equipment is the equipment adopting net hop pattern based on net; By the mutual running state information of process-level network between described stand-by equipment and main equipment.
Wherein, described station level equipment comprises supervisory control system main frame and secondary device monitoring main frame; Described secondary device monitoring main frame comprises managing software module.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, general secondary stand-by equipment is adopted to realize the standby mode of one-to-many.The present invention completes under bay device prerequisite for subsequent use, realizes flexible switching and the control of standby functions, possesses controllability and operability.On the unitized basis of hardware and software platform of secondary equipment of intelligent converting station, multi-functional application software can be configured in stand-by equipment.By controlling on the spot or Long-distance Control, adopt the switching of its standby functions of mode cooperation control of soft pressing plate switching.When the normal secondary device run breaks down, monitoring isolation is carried out to disabling devices, and control the input of secondary stand-by equipment application function, thus realize the automatic recovery of invalidation functions fast, the configuration quantity of reduction equipment, reduce design and maintenance cost, improve adaptive ability and the self-healing ability of Intelligent Substation System entirety.
2, the method that the present invention utilizes soft pressing plate to control achieves the quick switching of intelligent substation secondary online stand-by equipment running status, can utilize the operation function of the fast quick-recovery main equipment of stand-by equipment when master device functionality lost efficacy.Application of the present invention can reduce the quantity of intelligent substation stand-by equipment, the standby functions provided can shorten the recovery time after secondary equipment of intelligent converting station fault, improve the safety and stability of whole system, for trouble hunting personnel provide abundant repair time process secondary device fault; Simultaneously because application this method by a stand-by equipment multiple secondary device for subsequent use simultaneously, can reduce the magnitude setting of secondary equipment of intelligent converting station, thus save the construction investment of intelligent substation.
Accompanying drawing explanation
Fig. 1 is the online alternative mean flow chart of substation secondary device that soft pressing plate provided by the invention controls;
Fig. 2 is the decision flow chart of stand-by equipment running status provided by the invention;
To be that secondary device provided by the invention is for subsequent use realize Organization Chart to Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment 1
Be described the online alternative mean of secondary device for two secondary devices for subsequent use, the normal secondary device run is hereinafter referred to as " main equipment ", and secondary device for subsequent use is hereinafter referred to as " stand-by equipment ".
Stand-by equipment arranges soft pressing plate quantity according to the quantity of standby functions.In two equipment situations for subsequent use, three soft press plate positions are set, are respectively " stand-by platform pressing plate ", " main equipment 1 pressing plate " and " main equipment 2 pressing plate ".
When main equipment normally runs, in stand-by equipment, " stand-by platform pressing plate " drops into, and other two pressing plates exit, and stand-by equipment operates in monitoring platform state, the running status of management software to main equipment of station level is monitored, and records the switching state of each pressing plate in main equipment simultaneously.
Main equipment make a difference the abnormality alarming of protection act time, need to enable standby functions.Equipment running status switching is carried out in the soft pressing plate switching order that stand-by equipment sends according to station level management software, and the soft pressing plate control flow chart of stand-by equipment as shown in Figure 1, switches and carries out according to the following steps:
(1) the soft pressing plate switching order of stand-by equipment receiving station control layer-management module transmission, and store soft pressing plate state;
(2) read the soft pressing plate status file be stored in stand-by equipment, and therefrom read soft pressing plate state to pressing plate buffering area; Described soft pressing plate comprises main equipment 1,2 pressing plates and stand-by platform pressing plate;
(3) the soft pressing plate state of all devices stored in stand-by equipment is carried out synchronously, and differentiates that whether synchronized result is correct:
All relevant with the equipment investment soft pressing plate stored in stand-by equipment is carried out synchronously, if synchronized result is correct, then carries out step (4); Otherwise after the alarm of station level administration module, carry out step (7).
(4) main equipment 1,2 pressing plate synchronously and stand-by platform pressing plate status file is stored;
(5) judge whether main equipment N pressing plate and stand-by platform pressing plate state store complete:
If main equipment 1,2 pressing plates and stand-by platform pressing plate state store complete, then carry out step (6); Otherwise carry out step (7).
(6) judge that stand-by equipment is the need of switchover operation state: if desired carry out running status switching, then purchase and use equipment running status flag bit, start handoff procedure; Otherwise carry out step (7);
(7) soft pressing plate control flow terminates.
In step (6), judge that stand-by equipment is the need of switchover operation state according to current master 1,2 pressing plate and stand-by platform pressing plate switching state and current master/slave device running status, its judgment principle is as follows:
Soft pressing plate state in <1> stand-by equipment is when exiting and is defaulted as stand-by platform pressing plate input, and stand-by equipment operates in monitoring platform state;
When <2> stand-by platform pressing plate and main equipment pressing plate drop into simultaneously, to be as the criterion switching device running status with main equipment pressing plate;
When <3> two main equipment pressing plates drop into simultaneously, stand-by equipment running status is constant, does not carry out running status handover operation;
When <4> two main equipment pressing plates drop into simultaneously, exit one of them main equipment pressing plate, then stand-by equipment according to priority operates in the running status of another main equipment pressing plate;
<5> is only after all main equipment pressing plates all exit, and stand-by equipment switches to monitoring platform state and runs;
<6> is as the set of stand-by equipment running status switching mark position, and stand-by equipment is in running status handoff procedure, does not carry out above-mentioned judgement.
Stand-by equipment running status judges that flow process as shown in Figure 2, comprises the steps:
The pressing plate file of A, synchronous main equipment pressing plate and stand-by platform pressing plate;
B, reading stand-by equipment are when front pressuring plate file;
C, obtain stand-by equipment when front pressuring plate state;
D, judge whether stand-by equipment operates in monitoring platform state: if stand-by equipment operates in monitoring platform state, then carry out step e; Otherwise carry out step F;
E, judge stand-by equipment when front pressuring plate whether be main equipment pressing plate: if stand-by equipment when front pressuring plate be main equipment pressing plate, then carry out step I; Otherwise carry out step K;
F, judge whether stand-by equipment operates in master status: if stand-by equipment operates in master status, then carry out step G; Otherwise carry out step K;
G, judge stand-by equipment when front pressuring plate whether be main equipment pressing plate: if stand-by equipment when front pressuring plate be main equipment pressing plate, then carry out step K, otherwise carry out step H;
H, judge stand-by equipment when front pressuring plate whether be monitoring platform pressing plate: if stand-by equipment when front pressuring plate be monitoring platform pressing plate, then carry out step J, otherwise carry out step K;
I, stand-by equipment are switched to main equipment pressing plate state;
J, stand-by equipment are switched to status monitoring platform status;
K, do not carry out any switching, terminate stand-by equipment running status and judge.
Embodiment
For realizing the present invention, for 110kV tranformer protection measure and control device, the implementation method set forth in checking the present invention.Configuring a set of protection supervisory equipment based on directly adopting the main standby one of straight 110kV transformer of jumping in 110kV transformer station, realizing tranformer protection observing and controlling function, configuring a set of reserve arrangement adopting net jumping based on net simultaneously.Two complete equipments operationally, are all connected with station level administration module, simultaneously by process-level network switch interactive device running state information between stand-by equipment and main equipment.Its system configuration as shown in Figure 3.
Main equipment comprises bridge intelligent cell in segmentation intelligent cell, 110kV, 110kV circuit intelligent cell, intelligent transformer unit and low-pressure side intelligent cell, and stand-by equipment comprises 10kV sectionalised protection and prepared auto restart, the protection of 110kV bridge and inlet wire prepared auto restart, transformer measure control protection integrated device and wall reserve arrangement.The soft pressing plate control flow described in Fig. 1 is adopted to realize the present invention.
The method that the present invention utilizes soft pressing plate to control achieves the quick switching of intelligent substation secondary online stand-by equipment running status, can utilize the operation function of the fast quick-recovery main equipment of stand-by equipment when master device functionality lost efficacy.When the normal secondary device run breaks down, monitoring isolation is carried out to disabling devices, and control the input of secondary stand-by equipment application function, thus realize the automatic recovery of invalidation functions fast, the configuration quantity of reduction equipment, reduce design and maintenance cost, improve adaptive ability and the self-healing ability of Intelligent Substation System entirety.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. the online alternative mean of the substation secondary device utilizing soft pressing plate to control, the device of described method is the online reserve arrangement of substation secondary device utilizing soft pressing plate to control, and described device comprises station level equipment and bay device; Described bay device comprises the main equipment and stand-by equipment that carry out data interaction, described main equipment and stand-by equipment all with station level equipment connection; Described stand-by equipment is the equipment adopting net hop pattern based on net; By the mutual running state information of process-level network between described stand-by equipment and main equipment;
Described station level equipment comprises supervisory control system main frame and secondary device monitoring main frame; Described secondary device monitoring main frame comprises managing software module;
It is characterized in that, described method comprises the steps:
(1) the soft pressing plate switching order of stand-by equipment receiving station control layer-management module transmission, and store soft pressing plate state;
(2) read the soft pressing plate status file be stored in stand-by equipment, and therefrom read soft pressing plate state to pressing plate buffering area; Described soft pressing plate comprises main equipment N pressing plate and stand-by platform pressing plate;
(3) the soft pressing plate state of all devices stored in stand-by equipment is carried out synchronously, and differentiate that whether synchronized result is correct;
(4) the main equipment N pressing plate synchronously and stand-by platform pressing plate status file is stored;
(5) judge whether main equipment N pressing plate and stand-by platform pressing plate state store complete; In described step (5), if main equipment N pressing plate and stand-by platform pressing plate state store complete, then carry out step (6); Otherwise carry out step (7);
(6) judge that stand-by equipment is the need of switchover operation state: if desired carry out running status switching, then purchase and use equipment running status flag bit, start handoff procedure; Otherwise carry out step (7);
(7) soft pressing plate control flow terminates.
2. the online alternative mean of substation secondary device as claimed in claim 1, it is characterized in that, in described step (3), carry out synchronously to all relevant with the equipment investment soft pressing plate stored in stand-by equipment, if synchronized result is correct, then carry out step (4); Otherwise after the alarm of station level administration module, carry out step (7).
3. the online alternative mean of substation secondary device as claimed in claim 1, it is characterized in that, in described step (6), according to current master N pressing plate and stand-by platform pressing plate switching state and current master and stand-by equipment running status, judge that stand-by equipment is the need of switchover operation state, its judgment principle is as follows:
Soft pressing plate state in <1> stand-by equipment is when exiting and is defaulted as stand-by platform pressing plate input, and stand-by equipment operates in monitoring platform state;
When <2> stand-by platform pressing plate and main equipment pressing plate drop into simultaneously, to be as the criterion switching device running status with main equipment pressing plate;
When <3> multiple stage main equipment pressing plate drops into simultaneously, stand-by equipment running status is constant, does not carry out running status handover operation;
When <4> multiple stage main equipment pressing plate drops into simultaneously, exit one of them main equipment pressing plate, then stand-by equipment according to priority operates in the running status of another main equipment pressing plate;
<5> is only after all main equipment pressing plates all exit, and stand-by equipment switches to monitoring platform state and runs;
<6> is as the set of stand-by equipment running status switching mark position, and stand-by equipment is in running status handoff procedure, does not carry out above-mentioned judgement.
4. the online alternative mean of substation secondary device as claimed in claim 1, it is characterized in that, whether switching judging comprises the steps: stand-by equipment running status
The pressing plate file of A, synchronous main equipment pressing plate and stand-by platform pressing plate;
B, reading stand-by equipment are when front pressuring plate file;
C, obtain stand-by equipment when front pressuring plate state;
D, judge whether stand-by equipment operates in monitoring platform state: if stand-by equipment operates in monitoring platform state, then carry out step e; Otherwise carry out step F;
E, judge stand-by equipment when front pressuring plate whether be main equipment pressing plate: if stand-by equipment when front pressuring plate be main equipment pressing plate, then carry out step I; Otherwise carry out step K;
F, judge whether stand-by equipment operates in master status: if stand-by equipment operates in master status, then carry out step G; Otherwise carry out step K;
G, judge stand-by equipment when front pressuring plate whether be main equipment pressing plate: if stand-by equipment when front pressuring plate be main equipment pressing plate, then carry out step K, otherwise carry out step H;
H, judge stand-by equipment when front pressuring plate whether be monitoring platform pressing plate: if stand-by equipment when front pressuring plate be monitoring platform pressing plate, then carry out step J, otherwise carry out step K;
I, stand-by equipment are switched to main equipment pressing plate state;
J, stand-by equipment are switched to status monitoring platform status;
K, do not carry out any switching, terminate stand-by equipment running status and judge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310251328.6A CN103326470B (en) | 2013-06-24 | 2013-06-24 | On-line standby method for transformer substation secondary equipment controlled by soft pressing plate |
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| CN201310251328.6A CN103326470B (en) | 2013-06-24 | 2013-06-24 | On-line standby method for transformer substation secondary equipment controlled by soft pressing plate |
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| CN103326470A CN103326470A (en) | 2013-09-25 |
| CN103326470B true CN103326470B (en) | 2015-06-10 |
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| CN104852469B (en) * | 2015-05-07 | 2016-12-28 | 国家电网公司 | Intelligent substation based on the equipment real-time status long-range method for preventing misoperation of soft pressing plate |
| CN105449850B (en) * | 2015-11-17 | 2018-01-23 | 宁波天灵信息科技有限公司 | Automatic early warning method based on integrated power network dispatching system |
| CN105449860A (en) * | 2015-12-09 | 2016-03-30 | 国家电网公司 | Secondary protection system of substation |
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| EP1976177B1 (en) * | 2007-03-30 | 2014-07-02 | ABB Technology AG | Substation automation system with increased availability |
| CN202121304U (en) * | 2011-07-12 | 2012-01-18 | 珠海优特电力科技股份有限公司 | Electric power pressure plate having switching on/off state detecting device |
| CN102903026B (en) * | 2012-09-18 | 2016-04-20 | 中国电力科学研究院 | Secondary equipment of intelligent converting station dynamic reconfiguration system and method |
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Effective date of registration: 20171116 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: NARI Technology Development Co., Ltd. Patentee after: State Grid Corporation of China Co-patentee after: Liaoning Electric Power Company Limited Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: Nanjing Nari Co., Ltd. Patentee before: State Grid Corporation of China Co-patentee before: Liaoning Electric Power Company Limited |