WO2011143903A1

WO2011143903A1 - Method and system for automatically generating five-fault prevention logical rules in electrical substations

Info

Publication number: WO2011143903A1
Application number: PCT/CN2010/078642
Authority: WO
Inventors: 余南华; 黄曙; 梁晓兵
Original assignee: 广东电网公司电力科学研究院
Priority date: 2010-05-19
Filing date: 2010-11-11
Publication date: 2011-11-24
Also published as: CN101923346B; CN101923346A

Abstract

A method and system for automatically generating logical rules for five-fault prevention in electrical substations comprises: a main wiring diagram importing module which imports a drawn main wiring diagram of primary equipment; a parsing module, connected with the main wiring diagram importing module, which parses the main wiring diagram of primary equipment into multiple sequential primary equipment objects; and a module for automatically generating five-fault prevention rules connected with the parsing module. According to pre-established generating principles determined by five-fault prevention rules, and the logical relationship between the sequential primary equipment objects, the module for automatically generating five-fault prevention rules automatically generates the logical rules for five-fault prevention.

Description

Self-generation method and system for five-proof logic rule of substation

Technical field

The invention relates to the field of a substation integrated automation system, in particular to a substation five-proof logic rule self-generation method and a substation five-proof logic rule self-generation system.

Background technique

The "five-proof" of the substation mainly refers to preventing the accidental entry of the charging interval, the accidental pull-in of the circuit breaker, the load-clamping knife gate, the charging grounding knife (hanging ground wire) and the grounding knife (grounding wire) combined switch. The five-proof logic rule of the substation is related to the safety of the primary equipment (direct production, equipment for transporting, distributing and using electrical energy, called primary equipment) and the maintenance personnel during the operation of the substation. It is the substation integrated automation system (also referred to as the substation integrated system). ) important features. In all existing substation automation systems, a five-proof logic system is required. The structure of the substation integrated system is generally divided into three layers: station control layer, bay level and process layer. Five anti-logic rules need to be set at each layer. In the station control layer, the five anti-logic rules are written into the operating program. In the interval layer, the five anti-logic rules are installed into the embedded system program of the measurement and control device, while in the process layer of the field, the electrical equipment of the device is often passed. The logical connection is used to implement the five-proof logic rule, so that the three levels implement the five-proof logic rule, thus forming three fortresses to prevent electrical operation risks. Therefore, the establishment of a correct five-proof logic rule has a very typical engineering value and significance.

In the current substation five defense logic rules, it is easy to produce errors or mistakes, the main reasons are:

First, the preparation of the five-proof logic rule is generally based on the layout of the electrical equipment of the substation designed by the design institute, and the analysis of each interval electrical network is carried out according to the principle of five-defense logic, and some five-proof logic rules are written. It is summarized by the actual operation personnel of the power supply bureau based on the engineering experience of the actual electrical operation. The two modes that provide the five-proof logic rules sometimes have conflicts or inconsistencies in the logic of some of the devices, which are usually attributed to The latter tends to be more reliable when formulating the five-proof logic rules, and thus the logic is also more demanding to minimize the risk;

Second: no matter which unit has developed the five-proof logic rule logic library, it will inevitably be flawed in the preparation of the individual five-proof logic rules, and some will miss the logic of the knife-gate state of a bypass, while others Because of human error, in the current engineering application, the five anti-logic rules are manually summed up by experienced technicians according to the operating rules. For some simple substations, the workload is still Expected, and can be tolerated, but for substations with complex wiring and large scale, the workload will be quite large and the possibility of error is high.

If this wrong five-proof logic rule is configured to the substation integrated system, it may form a safety hazard, which is undoubtedly the most serious for the highest requirements of the substation's anti-misoperation operation, in practical engineering applications. Among them, the error caused by the preparation of "fatigue" caused by the large scale of the main wiring diagram is the main reason for the error in the preparation of the five-proof logic rules.

Summary of the invention

In view of the above problems in the prior art, the present invention aims to provide a self-generation method for a five-proof logic rule of a substation and a self-generation system for a five-proof logic rule of a substation, which can automatically generate a theoretically completely correct five-proof logic rule. Improve the reliability and safety of the five-proof logic rules applied to substations.

In order to achieve the above object, the present invention adopts the following technical solutions:

A self-generation method for a five-proof logic rule of a substation, comprising the steps of:
Parsing the drawn primary device wiring diagram into multiple ordered primary device objects;
The five-prevention logic rule is automatically generated according to the preset generation principle determined by the five-prevention principle and the logical relationship between the ordered primary device objects.

A substation five-proof logic rule self-generating system, comprising:
The main wiring diagram import module is used to import and draw the primary wiring diagram of the primary device;
And a parsing module connected to the main wiring diagram importing module, configured to parse the imported primary device main wiring diagram into a plurality of ordered primary device objects;
And a five-prevention rule automatic generation module connected to the parsing module, configured to automatically generate a five-prevention logic rule according to a preset generation principle determined by the five-prevention principle and a logical relationship between the ordered primary device objects.

According to the solution of the present invention, after the primary device wiring diagram is drawn once, the primary device main wiring diagram is parsed into a plurality of ordered primary device objects, thereby based on the logical relationship between the ordered primary device objects, and The preset generation principle determined by the five-prevention principle can automatically generate five-proof logic rules, which are a theoretically completely correct five-proof logic rule, and apply the five-proof logic rule configuration to the substation. In the middle, it can effectively improve the reliability and safety of the substation.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic flow chart of an embodiment of a self-generation method for a five-proof logic rule of a substation according to the present invention;
2 is a schematic diagram of a typical logic relationship of a 220 kV (110 kV) line;
3 is a schematic structural diagram of an embodiment of a substation five-proof logic rule self-generation system according to the present invention.

detailed description

The specific embodiments of the substation five-proof logic rule self-generation method and the substation five-proof logic rule self-generation system of the present invention are described in detail below.

Referring to FIG. 1 , it is a schematic flowchart of an embodiment of a self-generation method for a five-proof logic rule of a substation according to the present invention, which includes the steps of:

Step S101: drawing the device main wiring diagram once, and proceeding to step S102;

Step S102: parsing the primary device main wiring diagram drawn above into a plurality of ordered primary device objects, and proceeding to step S103;

Step S103: automatically generate a five-proof logic rule according to a preset generation principle determined by the five-prevention principle and a logical relationship between the ordered primary device objects.

According to the self-generation method of the five-proof logic rule of the substation of the present invention, after the primary device wiring diagram of the device is drawn, the primary device wiring diagram of the primary device is parsed into a plurality of ordered primary device objects, so that according to the ordered ones The logical relationship between the device objects and the preset generation principle determined by the five-prevention principle can automatically generate five anti-logic rules. The automatically generated five-defense logic rule is a theoretically completely correct five-defense logic rule. The five-proof logic rule configuration is applied to the substation, which can effectively improve the reliability and safety of the substation.

Since the five-defense logic rule generated according to the above method of the present invention is a theoretically completely correct five-defense logic rule, the automatic configuration of the five-defense logic rule may not be directly applied to the substation, but the automatic The generated five-prevention logic rule verifies the manually-edited five-prevention logic rule. Since some manually-created five-prevention logic rules take into account the actual engineering application, after verifying the correctness of the five-prevention logic rule It can further improve the reliability and safety of the substation. Therefore, after the above step S103, the method further includes the steps of:

Step S104: Automatically comparing the automatically generated five-prevention logic rule with the five-prevention logic rule to be detected, and selecting an appropriate five-defense logic rule according to the comparison result, and the selected appropriate five-defense logic rule can be configured to be applied to the substation .

The specific implementation process of each step described above will be described in detail below.

When drawing the main wiring diagram of the device, it can be implemented by using VISIO, CAD and other software. However, considering the VISIO's topological description of the graphics is relatively strong, the topological relationship of the graphics is more convenient for secondary technology processing. Therefore, it is usually adopted. VISIO is used to draw the main wiring diagram of the primary device. When drawing, firstly, using the VISIO software based on XML parsing technology, a relatively complete primary device element library is built. The element library includes primary device elements such as lines, knife gates, switches and transformers, and all forms of substation masters. Wiring diagrams can be implemented by a combination of “building blocks” of these primary device elements, so that a complete primary device wiring diagram can be drawn. Each device element of the main wiring diagram has a sufficiently well-depicted identifier, each of which describes its attributes, location, etc., such as the 1104 knife gate, which indicates the spacing of the element and the location of the device.

After drawing the main wiring diagram of the device, based on the characteristics of the VISIO graphics, the main wiring diagram can be parsed into a system of many primary devices. Since each primitive is named and named, it has the characteristics of identification and naming. Therefore, the identity of a device element adjacent to it can be obtained by a certain primitive device. In fact, the association relationship between the device primitives has been determined when drawing with VISIO. For example, the topology relationship of all grounding gates in the vicinity of the unit can be determined by a certain interval of circuit breaker equipment. The specific analysis process will not be described in detail here.

After the above-mentioned work of parsing the main wiring diagram of the primary device is completed, the five-proof logic rule can be automatically generated according to the ordered primary device object obtained after parsing and the preset generation principle determined by the five-prevention principle.

As described above, after the above steps, a plurality of primitives and logical relationships between the primitives are generated, such as a link relationship between the 1101 switch and the 1104 knife gate, a positional relationship between a certain interval and an adjacent interval, and the like. Therefore, it is possible to automatically generate five anti-logic rules on this basis.

As mentioned above, the "five-proof" is mainly to prevent accidental entry into the charging interval, mis-pull circuit breaker, load-clamping knife gate, live grounding knife (hanging ground wire) and grounding knife (ground wire) combined switch. among them:
For the accidental charging interval: it is mainly guaranteed by the management of the substation, and it is mainly guaranteed by strictly implementing the operation ticket requirement;
For the wrong pull-in circuit breaker: one is the choice error, the other is the requirement to ensure the continuity of the system power supply, and the other is the user operation and operation requirements, which depends on the operator's will, so there is no need to set up rules. ;
For the grounding knife (grounding) switch: Generally, the conditions are not configured in the field, mainly because when the knife switches on both sides of the switch, it is required that all relevant knives or temporary ground wires are disconnected, that is, This knife gate starts the line extending in all directions of the grounding knife gate or the temporary ground wire is completely disconnected (to the other knife gates). The control rules for the grounding switch or temporary grounding wire are determined and do not change with the change of wiring mode. Therefore, this rule only needs to be identified as "this knife gate". If it is to be "closed", it is necessary to make "the grounding knife gate or temporary grounding wire in all directions of the line extension" all in the "fractional position".

Therefore, the difficulty in analyzing the five-defense logic rules mainly focuses on “charged ground knife (hanging ground wire)” and “loaded pull-in knife gate”. And "missing the circuit breaker".

The above five prevention control principles are decomposed, so that the following rules for automatically generating five anti-logic rules can be established:
1. For the grounding knife gate or the temporary grounding grounding knife gate or the temporary grounding wire: there must be a disconnected knife gate in all directions from the grounding point (the circuit breaker and the main transformer are regarded as short circuits);
Grounding the knife gate or removing the temporary ground line: unconditional;
2, for the knife gate
Combined switch: The circuit switch must be disconnected, and the grounding switch or temporary ground wire in all directions extending from the start of the circuit breaker is disconnected (to the other switch);
Splitting switch: This circuit switch must be disconnected.

Wherein, when the direction of the power flow is fixed, the order of power transmission is the first power supply side knife gate, the load side knife switch, and the last combination switch; the power failure sequence is the first branch switch, then the load side knife switch, and finally the power split. Side knife gate.

In addition, since the bus side is generally defined as the power supply side, the bus side is described below as the power supply side.

1. For switches (circuit breakers), different types of switches may have different settings:

1) For the line switch and the line switch: the line switch can be combined when the adjacent side knife gates are in the same position or both are in the position;
Sub-line switch: unconditional;

2) For the segment switch combination segment switch: the segment switch can be combined when the adjacent side knife gates are in the same position or both are in the position;
Sub-section switch: When a certain line switch is in the running state and the main change switch of the segment is also in the running state, the segment switch can be divided; when a certain line switch is in the power-off state, the segment switch can also Minute;

3) For the bus coupling switch and the bus coupling switch: the busbar switch can be combined when the adjacent side knife gates are in the same position or both are in the position;
Decoupler switch: When all the busbar side switches on one bus without power supply are disconnected, that is, when all the loads have been inverted to the other busbar, the busbar switch can be divided, when both busbars have power supply , the mother switch can also be divided;

4) For the main change switch
According to the general general regulations, the high-voltage side and the medium-pressure side are set as the incoming line (power supply side), and the low-voltage side is the outgoing side (load side).
Main transformer power failure sequence: first break the low-voltage side main change switch, then break the medium-voltage side or high-voltage side main change switch;
Main transformer power transmission sequence: first combine the high-voltage side or medium-voltage side main change switch, and then combine the low-voltage side main change switch;
Among them, the high-voltage side or medium-voltage side main transformer switching sequence is generally not required; when the low-voltage outlet does not power off, it should ensure that the high- and medium-voltage one-way power supply supplies low-voltage power; when operating the high-voltage side main-change switch, the main transformer should be guaranteed. The sex is in place.
Main transformer switch: When the adjacent side knife gates are in the same position or both are in the position, the main switch can be combined;
Sub-master switch:
When a non-all-station power failure occurs, when one main transformer loses power, it is necessary to ensure that the other main transformer is in operation, and the low-voltage sectional switch should be in the same position;
When the whole power station is out of power, when the high voltage main transformer switch is completely disconnected, it should be ensured that at least one medium voltage main transformer switch is in the running state; when the medium voltage main transformer switch is completely disconnected, at least one high voltage main transformer switch should be guaranteed to be in the running state. .

According to the above principle of automatically generating the five-proof logic rule, for the typical logical relationship diagram of the 220kV (110kV) line (double-five section wiring mode) in FIG. 2, the following is the control blocking rule corresponding to the typical wiring diagram. In the schematic diagram of the 220kV (110kV) line (double mother section wiring method) shown in Figure 2, 1M represents 1M busbar, 2M represents 2M busbar, DL represents switch, 1G represents 1M busbar cutter, and 2G represents 2M busbar cutter Gate, 4G indicates the line knife gate, B0 indicates that the switch is on the side of the busbar, C0 indicates that the switch is on the CT side, and 40 indicates the line knife.

The rules on which it is based are mainly:

Combined switch: The circuit switch must be disconnected, and the grounding switch or temporary ground wire in all directions extending from the start of the circuit breaker is disconnected (to the other switch);

Splitting switch: This circuit switch must be disconnected.

According to this, the five defense logic rules are:
1. Line switch DL blocking logic: unconditional opening and closing.
2. Busbar side knife gate 1G (or 2G) blocking logic:
Opening conditions (may satisfy any of the following items a and b):
a. Line switch DL points, bus side switch 2G (or 1G) points;
b. Busbar side cutter 2G (or 1G), bus couple (segment) switch and its two sides.
Closing conditions (may satisfy any of the following items a and b):
a. 1M (or 2M) all the knife points, the line switch and the knife on both sides, 2M (or 1M) knife gate points;
b. 2M (1M) knife brake joint, bus coupler switch and its two sides knife joint.
3, line knife gate 4G blocking logic:
Closing conditions: the line switch DL and its two sides of the knife points, the outlet line ground knife points;
Opening condition: line switch DL points.
4. Blocking logic of B0 (or C0) on both sides of the switch:
Opening conditions: None, that is, there are no constraints for opening;
Closing condition: 1G, 2G, 4G points on both sides of the outlet switch. When the closing condition is met, B0 is closed or C0 is closed, or both are closed at the same time;
5, line ground knife 40 blocking logic:
Opening conditions: None, that is, there are no constraints for opening;
Closing condition: 4G points for the outgoing line switch.

According to the above logic from 1 to 5, which has a total of ten five-proof logic rules (including closing and opening), each primitive device object can be selected correspondingly, and 10 rules are automatically formed, and a specification description form is formed, for example, a The logic of the side knives of the 220kV line is as follows (the element device object represented by the digital symbols in the following description, there are special naming rules in the prior art, which will not be described in detail, and wherein =0 Representation, =1 means union):
24833: "Combined" knife logic
2030=0, (24831=1, 20301=1, 24832=1, 20306=1, 2026=1, 20262=1, 20266=1), 20303=1, 248340=0, 223J00=0, 223Y00=0,24823= 0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0,24883=0,24873=0,22013=0,22023=0,24453=0!

It should be added here that for special control rules, it can be done by writing a pattern of curing rules, that is, for special rules caused by special, rare master wiring diagrams, such rules can be collected and The fixed mode gradually forms a rule base suitable for various wiring diagrams.

After the automatically generated five-defense logic rule is obtained according to the above manner, if the five-defense logic rule needs to be applied to verify the manually-written five-prevention logic rule (also referred to as the five-prevention logic rule to be tested), The self-generated five-prevention logic rule is compared with the five-prevention logic rule to be tested, that is, by directly comparing each rule, such as "24833: "combined" knife logic", that is, two need to be compared The rule description of the rule (that is, the self-generated five-prevention logic rule, the five-prevention logic rule to be tested) is automatically split (ie, it is split into many minimum descriptions), for example, for the above "24833: "closed" knife logic":
2030=0, (24831=1, 20301=1, 24832=1, 20306=1, 2026=1, 20262=1, 20266=1), 20303=1, 248340=0, 223J00=0, 223Y00=0,24823= 0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0,24883=0,24873=0,22013=0,22023=0,24453=0!

Can be split into the following 8:

1)
2030=0,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0,24883=0, 24873=0, 22013=0,22023=0,24453=0!

2)
2030=0,24831=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

3)
2030=0,20301=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

4)
2030=0,24832=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

5)
2030=0,20306=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

6)
2030=0,2026=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

7)
2030=0,20262=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

8)
2030=0,20266=1,20303=1,248340=0,223J00=0,223Y00=0,24823=0,26063=0,24853=0,26073=0,24863=0,26003=0,26013=0, 24883=0,24873=0,22013=0,22023=0,24453=0!

After the splitting, the descriptions of the two rule bases can be sorted and compared one by one, and the specific implementation can be realized by setting a corresponding optimization program.

After completing this kind of polling comparison, the five anti-detection logic rules that are different from the self-generating five-prevention logic rules will be screened out, and the last selected five-defense logic rules can be provided for manual screening. Determine which five-proof logic rule to use. Among them, some of the differences are caused by the strictness of the rules. For example, the five-proof logic rules written by human experience are somewhat stricter than the theory. In this case, the artificially-made rules are often preferred, and the artificially-made five are selected. The anti-logical rule configuration is applied to the substation; but it is partly caused by the real manual “error”. In this case, the generated five-prevention logic rule should be taken and the self-generated five-defense logic rule configuration should be applied to the substation.

According to the self-generation method of the five-proof logic rule of the substation of the present invention, the present invention also provides a self-generation system for the five-proof logic rule of the substation, as shown in FIG. 3, which is a schematic structural diagram of the self-generation system of the five-proof logic rule of the substation of the present invention. , which includes:
The main wiring diagram importing module 301 is configured to import and draw the primary device main wiring diagram of the device;
The parsing module 302 connected to the main wiring diagram importing module 301 is configured to parse the imported primary device main wiring diagram into a plurality of ordered primary device objects;
The five-prevention rule automatic generation module 303 is connected to the parsing module 302, and is configured to automatically generate a five-defense logic rule according to a preset generation principle determined by the five-prevention principle and a logical relationship between the ordered primary device objects.

According to the above-mentioned substation five-proof logic rule self-generating system of the present invention, the main wiring diagram of the primary device is imported through the main wiring diagram import module, and the primary wiring diagram of the primary device is parsed into multiple ordered ones by using the parsing module. The device object, so that the five anti-rule automatic generation module can automatically generate five anti-logic rules according to the logical relationship between the ordered primary device objects and the preset generation principle determined by the five-prevention principle, the automatically generated five The anti-logical rule is a five-prevention logic rule that is completely correct in theory. Applying the five-defense logic rule configuration to the substation can effectively improve the reliability and safety of the substation.

Since the five-prevention logic rule generated by the system according to the above invention is a theoretically completely correct five-prevention logic rule, the automatic configuration of the five-prevention logic rule may not be directly applied to the substation, but the automatic The generated five-prevention logic rule verifies the manually-edited five-prevention logic rule. Since some manually-created five-prevention logic rules take into account the actual engineering application, after verifying the correctness of the five-prevention logic rule It can further improve the reliability and safety of the substation. Therefore, the above system of the present invention may further include:
The five-proof rule base import module 304 is configured to import the five-proof logic rule to be detected;
The comparison module 305 is connected to the five-prevention rule automatic import module 303 and the five-prevention rule import module 304 for automatically comparing the automatically generated five-prevention logic rule with the five-proof logic rule to be detected, according to the comparison. The result selects the appropriate five-proof logic rule.

After the comparison module completes the polling comparison, it will filter out the five anti-detection logic rules that are different from the self-generated five-prevention logic rules, and finally select the different five-defense logic rules that can be provided for manual screening. In order to determine which five anti-logic rules to adopt. Among them, some of the differences are caused by the strictness of the rules. For example, the five-proof logic rules written by human experience are somewhat stricter than the theory. In this case, the artificially-made rules are often preferred, and the artificially-made five are selected. The anti-logic rule configuration is applied to the substation; but it is partly caused by the real manual “error”. In this case, the generated five-defense logic rule should be taken and the self-generated five-defense logic rule configuration should be applied to the substation.

The parsing process of the primary device main wiring diagram in the system of the present invention, the process of generating the five-prevention logic rules, and the comparison process are the same as those in the above method of the present invention, and are not described herein.

The mistakes of the five anti-logic rule scripts are common problems in the actual construction of substation automation systems in China. Troubleshooting is very difficult, and even if it is wrong, it cannot be seen manually. The implementation of the above method and system of the present invention is first proposed. At present, such a method description or system has not yet appeared, which provides a very good direction for solving the above-mentioned problems of troubleshooting difficulties and solving engineering problems. In addition, the whole process of the method and the system of the invention is relatively quick and convenient, and it has been proved by practical practice that when drawing the main wiring diagram of the device, the time taken for the substation varies from 20 minutes to 60 minutes, and The subsequent rule comparison process is automatically processed by the program and the time is negligible. Therefore, the method achieves quickness and convenience, and improves efficiency for solving engineering problems.

The embodiments of the invention described above are not intended to limit the scope of the invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims

A self-generation method for a five-proof logic rule of a substation, characterized in that the method comprises the steps of:

Parsing the drawn primary device wiring diagram into multiple ordered primary device objects;

The five-prevention logic rule is automatically generated according to the preset generation principle determined by the five-prevention principle and the logical relationship between the ordered primary device objects.
The self-generation method for a five-proof logic rule of a substation according to claim 1, further comprising:

The automatically generated five-proof logic rule is automatically compared with the five-proof logic rule to be detected, and an appropriate five-proof logic rule is selected according to the comparison result.
The method for generating a five-proof logic rule self-generation of a substation according to claim 1 or 2, wherein the preset generation principle determined by the five-prevention principle specifically includes:

For the grounding knife gate or temporary grounding wire, the condition of the grounding knife gate or the temporary grounding wire is as follows: there are disconnected knife gates in all directions extending from the grounding point, wherein the circuit breaker and the main transformer are regarded as For short circuit; undivided when grounding the knife gate or removing the temporary ground wire;

For the knife gate, the condition of the knife gate is: the grounding switch or the temporary ground wire in all directions from the start of the circuit breaker to the other knife gate is disconnected; the condition of the knife gate is : When the circuit switch is disconnected;

Wherein, when the direction of the power flow is fixed, the power transmission sequence is: first, the power supply side knife gate, the load side knife switch, and the last combination switch; the power failure sequence is: first branch switch, then load side knife switch, last minute Power side knife gate.
The method for generating a five-proof logic rule self-generation of a substation according to claim 1 or 2 or 3, wherein the preset generation principle determined by the five-prevention principle specifically includes:

Set the busbar side to the power supply side;

For the line switch, the condition of the line switch is: the adjacent side switches of the line switch are in the same position or both are in the position; the line switch is unconditional;

For the segment switch, the condition of the segment switch is: the adjacent side switches of the segment switch are in the same position or both are in the position; the condition of the segment switch is: a segment has the line switch in the running state and the The main change switch of the segment is also in the running state or a certain line switch is in the power failure state;

For the busbar switch, the condition of the busbar switch is: the adjacent side switches of the busbar switch are in the same position or both are in the position; the condition of the denominator switch is: all the busbar sides on one bus without power supply The knife gates are disconnected or both busbars are powered by the power supply;

For the main change switch, the condition of the main change switch is: the adjacent side switch is in the same position or both are in the position; the condition of the main change switch is: when the whole station is out of power, when a main transformer is powered off, Ensure that the other main transformer is in operation, and the low voltage sectional switch should be in the same position; when the whole station is out of power, when the high voltage main transformer switch is completely disconnected, at least one medium voltage main transformer switch should be in operation; When the main change switch is completely disconnected, it should be ensured that at least one high voltage main change switch is in operation.
The self-generation method for a five-proof logic rule of a substation according to any one of claims 1 to 4, characterized in that: the primary device main wiring diagram is drawn by using visio or CAD software.
A substation five-proof logic rule self-generating system, characterized in that:

The main wiring diagram import module is used to import and draw the primary wiring diagram of the primary device;

And a parsing module connected to the main wiring diagram importing module, configured to parse the imported primary device main wiring diagram into a plurality of ordered primary device objects;

And a five-prevention rule automatic generation module connected to the parsing module, configured to automatically generate a five-prevention logic rule according to a preset generation principle determined by the five-prevention principle and a logical relationship between the ordered primary device objects.
The substation five-proof logic rule self-generating system according to claim 6, further comprising:

The five-proof rule base import module is configured to import the five-proof logic rule to be detected;

And a comparison module connected to the five-prevention rule automatic generation module and the five-prevention rule library import module, configured to automatically compare the automatically generated five-prevention logic rule with the five-prevention logic rule to be detected, according to the ratio Choose the appropriate five-proof logic rules for the results.
The substation five-prevention logic rule self-generating system according to claim 6 or 7, wherein the preset generation principle determined by the five-prevention principle specifically includes:

For the grounding knife gate or temporary grounding wire, the condition of the grounding knife gate or the temporary grounding wire is as follows: there are disconnected knife gates in all directions extending from the grounding point, wherein the circuit breaker and the main transformer are regarded as For short circuit; undivided when grounding the knife gate or removing the temporary ground wire;

For the knife gate, the condition of the knife gate is: the grounding switch or the temporary ground wire in all directions from the start of the circuit breaker to the other knife gate is disconnected; the condition of the knife gate is : When the circuit switch is disconnected;

Wherein, when the direction of the power flow is fixed, the power transmission sequence is: first, the power supply side knife gate, the load side knife switch, and the last combination switch; the power failure sequence is: first branch switch, then load side knife switch, last minute Power side knife gate.
The substation five-prevention logic rule self-generating system according to claim 6 or claim 7 or claim 8, wherein the preset generation principle determined by the five-prevention principle specifically includes:

Set the busbar side to the power supply side;

For the line switch, the condition of the line switch is: the adjacent side switches of the line switch are in the same position or both are in the position; the line switch is unconditional;

For the segment switch, the condition of the segment switch is: the adjacent side switches of the segment switch are in the same position or both are in the position; the condition of the segment switch is: a segment has the line switch in the running state and the The main change switch of the segment is also in the running state or a certain line switch is in the power failure state;

For the busbar switch, the condition of the busbar switch is: the adjacent side switches of the busbar switch are in the same position or both are in the position; the condition of the denominator switch is: all the busbar sides on one bus without power supply The knife gates are disconnected or both busbars are powered by the power supply;

For the main change switch, the condition of the main change switch is: the adjacent side switch is in the same position or both are in the position; the condition of the main change switch is: when the whole station is out of power, when a main transformer is powered off, Ensure that the other main transformer is in operation, and the low voltage sectional switch should be in the same position; when the whole station is out of power, when the high voltage main transformer switch is completely disconnected, at least one medium voltage main transformer switch should be in operation; When the main change switch is completely disconnected, it should be ensured that at least one high voltage main change switch is in operation.
The substation five-proof logic rule self-generating system according to any one of claims 6 to 9, characterized in that the primary device main wiring diagram is imported from a visio or CAD software.