CN104698935A - Method for developing optimal protection measuring control device - Google Patents
Method for developing optimal protection measuring control device Download PDFInfo
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- CN104698935A CN104698935A CN201510091710.4A CN201510091710A CN104698935A CN 104698935 A CN104698935 A CN 104698935A CN 201510091710 A CN201510091710 A CN 201510091710A CN 104698935 A CN104698935 A CN 104698935A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0426—Programming the control sequence
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23005—Expert design system, uses modeling, simulation, to control design process
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
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Abstract
The invention discloses a method for developing an optimal protection measuring control device, and belongs to the technical field of electric automation. The method specifically comprises the steps of (1) creating a hardware environment; (2) processing protection variation by a Boolean manner; (3) decomposing protection logic; (4) traversing to find out a starting point of configuration; (5) traversing to find out an output element; (6) traversing to find out a feedback return ring; (7) creating a scheduling relationship and a connection line relationship based on the steps (4), (5) and (6) to operate the device. With the adoption of the method, the production device has the advantages of being fast to develop, high in efficiency, short in cycle, high in readability, and convenient to debug.
Description
Technical field
The present invention relates to a kind of method optimizing protection supervisory equipment exploitation, belong to technical field of electric power automation.
Background technology
Along with electric pressure constantly promotes, intelligent grid has developed into a high-order nonlinear, high complicated topological network.In network, the stability of each equipment receives great concern.There is the moment in fault, can localizing faults in time, while excise fault when impacting minimum to electrical network, restore electricity.It is the problem that intelligent power grid technology is studied always.Protection supervisory equipment is as ensureing the important device of power grid self-healing, widespread use in electrical network.In the EMS system of main website, DTS emulation, static security analysis, a lot of unit such as electric network fault analysis all need to consider the impact of protection supervisory equipment in electrical network.And conventional code melts the device sent out, cause logical description complicated owing to will consider the particular architectures of various electrical network and changes of operating modes, maintenance is larger.
External existing many companies visual programming mode carries out prepared auto restart exploitation at present.What relate to electric system has the companies such as ABB, Siemens, GE.Especially the product of ABB company successfully applies its independently developed visual programming platform.For different logics, develop corresponding module, build in " module pond ", existing module reusable in subsequent homo performance history, reduce code development workload gradually.But along with electric pressure rises, relay protective scheme is day by day complicated, and the work of New function Development of Module has had a strong impact on device development progress, controls with human cost.Meanwhile, single functional module cannot tackle complicated trend and the many Change and Developments of the method for operation of power network wiring mode
Flexible configurations theory is applied in protective device exploitation and will effectively solves the problem.Utilize the method for model decomposition that a complicated relay protective scheme is resolved into several elementary cell, reduce the complicacy of modelling.And a new electrical network automated topology searching algorithm is proposed, real-time automatic analysis upgrades protection model, allows the model of protection supervisory equipment can the changes of operating modes of " study " electrical network.Topological network design makes device have parallel processing mechanism, study, self-adaptation, fault decision making function.Connect weights by adjustment, corresponding information can be provided by integrality, there is powerful mode identificating ability.By the sample learning to reaction input quantity, can any complicated mode of connection and action logic be classified and be identified.Realize effect as shown in Figure 1
By the granularity that further elaborator is disassembled; need the module of management to only have simply " with door " disjunction gate, " not gate " etc., by outside Boolean quantity (0 value or 1 value) access, Automatic Combined goes out any relay protective scheme; and without the need to doing any code development work again, the construction cycle is controlled.Simultaneously in follow-up test process, every bar bracing wire according to the difference of representative amount, can demonstrate different colours (0 value display is red, 1 value display black), can hold relay protective scheme process intuitively.
Summary of the invention
The object of the invention is according to a kind of flexible configurations technology based on FBD (function block diagram) (FBD---the function block diagram) language development in international standard IEC61131-3; propose a kind of method optimizing protection supervisory equipment exploitation to set up complicated protection observing and controlling by basic logic module and time module and apply, raising is developed and testing efficiency.Algorithm realization is with reference to AOE(Activity On Edge in activity network) thought of the critical path method of network, the critical path using critical path algorithm thought to seek a program optimum to perform, comprises topological sorting in critical path algorithm.Activity network is divided into AOV(activity on vertex) network and AOE network, corresponding main algorithm has topological sorting and critical path method, because the latter comprises the former, so platform adopts the critical path method of AOE network can realize program execution sequence and optimization in conjunction with topological sorting.
The present invention adopts following technical scheme: a kind of method optimizing protection supervisory equipment exploitation, is characterized in that, specifically comprise the following steps:
(1) hardware environment is set up; Adopt hardware shelf theoretical, analog quantity plug-in unit, input and output plug-in unit that planning protection device is used, build hardware input and output information database; According to relay protective scheme determination hardware base attribute, described basic hardware attribute is built into database, as the peripheral support of flexible configurations technology; Described basic hardware attribute comprises input quantity base attribute and output quantity base attribute, and described input quantity base attribute comprises remote signalling information, remote measurement amount number, hard pressing plate function; Described output quantity base attribute comprises planning protection outlet, device Display panel;
(2) booleanization protection variable; To protect the position of the switch information related to, the of ac information processings such as electric current and voltage become Boolean quantity; Namely switch co-bit is 1, and point position is 0, and it is 1 that of ac is greater than definite value, and being less than definite value is 0; Protection variable after process directly can carry out Logic judgment;
(3) relay protective scheme is disassembled; By complicated protection logic by function refinement, the mode of the precedence relationship logic element cascade involved by protection realized, the latching relation logic element feedback system related to by relay protective scheme realizes; The Boolean quantity access logic element that described step (2) has been processed;
(4) traversal finds configuration starting point; From all element sequences set, finding out in-degree is that 0(only has output pin without input pin) element, it is gone out limit together with it shift out from this set, because the raw data importation of these elements whole visualization procedure that to be certain projects corresponding, be equivalent to the source point in graph theory, must first perform;
(5) traversal finds output element; On the basis of described step (4), continue to search the element that all in-degrees are 0, find out these elements, shifted out this set again, and stored in second element list, these elements also belong at the same level and perform, and the element execution sequence just in more last list takes second place; The shifting out and by making the input pin of the follow-up element be connected with these elements unsettled, searching to enter next step of these elements;
(6) traversal finds feedback winding; According to the syntople of AOV net, generate the adjacency list of AOV; Feedback component node in search adjacency list, adds in feedback node list by feedback component; The feedback node of current operation and directed edge associated with it is deleted from adjacency list; Repeat step search, until delete the node of all feedback component in adjacency list; In search adjacency list, all in-degrees are the node of zero, are that zero ordinary node adds list tail by in-degree; From adjacency list, delete current in-degree is the ordinary node of zero and directed edge associated with it;
(7) on described step (4), described step (5), described step (6) basis, scheduling relation and line relation is generated, for plant running.
Preferably, the relay protective scheme of disassembling described in described step (3) comprises: by the granularity size definition of relay protective scheme in " with door " disjunction gate, " not gate " basic logic element rank.
Preferably; traversal described in described step (4) finds principle: be considered as by whole relay protective scheme by element and interelemently connect and compose; by abstract for element be the summit in graph theory; variable transferring is abstract is the directed edge in graph theory; the sequencing of the direction representation program execution of directed edge, uses the concept of the digraph in graph theory and algorithm thereof to carry out the optimum solution of finder execution sequence.
The beneficial effect that the present invention reaches: (1) protective device tempo of development block, efficiency is high, the cycle is short, frees developer from loaded down with trivial details code is write; Flexible configurations technology makes program design, debugging and upgrading become very easy, substantially increases aesthetic property and the friendly of program simultaneously, enables developer that main attention is focused in the research of software function and algorithm; (2) readable high, configuration technology eliminates encode and writes the programming style difference brought, and the problems such as code statement is not rigorous, code robustness shortcoming, make relay protective scheme visual and understandable; (3) debug convenient, error correction is quick, and only steering logic is carried out, and does not relate to code; Variable can in-service monitoring and program design does not relate to code, and developer is debugged very convenient, error correction is very quick; (4) support feedback winding, the sequence based on the oriented winding of feedback component solves the winding analyzing and processing problem in graphic programming, improves the level of intelligence of visual programming software.
Accompanying drawing explanation
Fig. 1 is flexible configurations technology schematic diagram.
Fig. 2 is AOE network example figure of the present invention.
Fig. 3 is hardware environment schematic diagram of the present invention.
Fig. 4 is winding feedback analysis figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1 be flexible configurations technology schematic diagram, shown in Fig. 2 is AOE network example figure of the present invention, and the present invention adopts following technical scheme: a kind of optimize protection supervisory equipment exploitation method, it is characterized in that, specifically comprise the following steps:
(1) hardware environment is set up; Adopt hardware shelf theoretical, analog quantity plug-in unit, input and output plug-in unit that planning protection device is used, build hardware input and output information database; According to relay protective scheme determination hardware base attribute, described basic hardware attribute is built into database, as the peripheral support of flexible configurations technology; Described basic hardware attribute comprises input quantity base attribute and output quantity base attribute, and described input quantity base attribute comprises remote signalling information, remote measurement amount number, hard pressing plate function; Described output quantity base attribute comprise planning protection outlet, device Display panel, as shown in Figure 3 be invention hardware environment schematic diagram;
(2) booleanization protection variable; To protect the position of the switch information related to, the of ac information processings such as electric current and voltage become Boolean quantity; Namely switch co-bit is 1, and point position is 0, and it is 1 that of ac is greater than definite value, and being less than definite value is 0; Protection variable after process directly can carry out Logic judgment;
(3) relay protective scheme is disassembled; By complicated protection logic by function refinement, the mode of the precedence relationship logic element cascade involved by protection realized, the latching relation logic element feedback system related to by relay protective scheme realizes; The Boolean quantity access logic element that described step (2) has been processed;
(4) traversal finds configuration starting point; From all element sequences set, finding out in-degree is that 0(only has output pin without input pin) element, it is gone out limit together with it shift out from this set, because the raw data importation of these elements whole visualization procedure that to be certain projects corresponding, be equivalent to the source point in graph theory, must first perform;
(5) traversal finds output element; On the basis of described step (4), continue to search the element that all in-degrees are 0, find out these elements, shifted out this set again, and stored in second element list, these elements also belong at the same level and perform, and the element execution sequence just in more last list takes second place; The shifting out and by making the input pin of the follow-up element be connected with these elements unsettled, searching to enter next step of these elements;
(6) traversal finds feedback winding; According to the syntople of AOV net, generate the adjacency list of AOV; Feedback component node in search adjacency list, adds in feedback node list by feedback component; The feedback node of current operation and directed edge associated with it is deleted from adjacency list; Repeat step search, until delete the node of all feedback component in adjacency list; In search adjacency list, all in-degrees are the node of zero, are that zero ordinary node adds list tail by in-degree; From adjacency list, delete current in-degree is the ordinary node of zero and directed edge associated with it, as shown in Figure 4 be winding feedback analysis figure of the present invention;
(7) on described step (4), described step (5), described step (6) basis, scheduling relation and line relation is generated, for plant running.
Preferably, the relay protective scheme of disassembling described in described step (3) comprises: by the granularity size definition of relay protective scheme in " with door " disjunction gate, " not gate " basic logic element rank.
Preferably; traversal described in described step (4) finds principle: be considered as by whole relay protective scheme by element and interelemently connect and compose; by abstract for element be the summit in graph theory; variable transferring is abstract is the directed edge in graph theory; the sequencing of the direction representation program execution of directed edge, uses the concept of the digraph in graph theory and algorithm (represent, travel through, sort) thereof to carry out the optimum solution of finder execution sequence.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (3)
1. optimize a method for protection supervisory equipment exploitation, it is characterized in that, specifically comprise the following steps:
(1) hardware environment is set up; Adopt hardware shelf theoretical, analog quantity plug-in unit, input and output plug-in unit that planning protection device is used, build hardware input and output information database; According to relay protective scheme determination hardware base attribute, described basic hardware attribute is built into database, as the peripheral support of flexible configurations technology; Described basic hardware attribute comprises input quantity base attribute and output quantity base attribute, and described input quantity base attribute comprises remote signalling information, remote measurement amount number, hard pressing plate function; Described output quantity base attribute comprises planning protection outlet, device Display panel;
(2) booleanization protection variable; To protect the position of the switch information related to, the of ac information processings such as electric current and voltage become Boolean quantity; Namely switch co-bit is 1, and point position is 0, and it is 1 that of ac is greater than definite value, and being less than definite value is 0; Protection variable after process directly can carry out Logic judgment;
(3) relay protective scheme is disassembled; By complicated protection logic by function refinement, the mode of the precedence relationship logic element cascade involved by protection realized, the latching relation logic element feedback system related to by relay protective scheme realizes; The Boolean quantity access logic element that described step (2) has been processed;
(4) traversal finds configuration starting point; From all element sequences set, finding out in-degree is that 0(only has output pin without input pin) element, it is gone out limit together with it shift out from this set, because the raw data importation of these elements whole visualization procedure that to be certain projects corresponding, be equivalent to the source point in graph theory, must first perform;
(5) traversal finds output element; On the basis of described step (4), continue to search the element that all in-degrees are 0, find out these elements, shifted out this set again, and stored in second element list, these elements also belong at the same level and perform, and the element execution sequence just in more last list takes second place; The shifting out and by making the input pin of the follow-up element be connected with these elements unsettled, searching to enter next step of these elements;
(6) traversal finds feedback winding; According to the syntople of AOV net, generate the adjacency list of AOV; Feedback component node in search adjacency list, adds in feedback node list by feedback component; The feedback node of current operation and directed edge associated with it is deleted from adjacency list; Repeat step search, until delete the node of all feedback component in adjacency list; In search adjacency list, all in-degrees are the node of zero, are that zero ordinary node adds list tail by in-degree; From adjacency list, delete current in-degree is the ordinary node of zero and directed edge associated with it;
(7) on described step (4), described step (5), described step (6) basis, scheduling relation and line relation is generated, for plant running.
2. a kind of method optimizing protection supervisory equipment exploitation according to claim 1; it is characterized in that, the relay protective scheme of disassembling described in described step (3) comprises: by the granularity size definition of relay protective scheme in " with door " disjunction gate, " not gate " basic logic element rank.
3. a kind of method optimizing protection supervisory equipment exploitation according to claim 1; it is characterized in that; traversal described in described step (4) finds principle: be considered as by whole relay protective scheme by element and interelemently connect and compose; by abstract for element be the summit in graph theory; variable transferring is abstract is the directed edge in graph theory; the sequencing of the direction representation program execution of directed edge, uses the concept of the digraph in graph theory and algorithm thereof to carry out the optimum solution of finder execution sequence.
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| CN109634561A (en) * | 2018-10-16 | 2019-04-16 | 阿里巴巴集团控股有限公司 | A kind of online visual programming method and device |
| CN112634591A (en) * | 2020-12-14 | 2021-04-09 | 湖南顶立科技有限公司 | Alarm processing method and system |
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