CN111047464A - Automatic short message sending method and system for fault tripping of power system - Google Patents
Automatic short message sending method and system for fault tripping of power system Download PDFInfo
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- CN111047464A CN111047464A CN201911223916.2A CN201911223916A CN111047464A CN 111047464 A CN111047464 A CN 111047464A CN 201911223916 A CN201911223916 A CN 201911223916A CN 111047464 A CN111047464 A CN 111047464A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/12—Messaging; Mailboxes; Announcements
Abstract
The invention discloses an automatic short message sending method and system for power system fault tripping, which comprises the following steps: s1, when an accident tripping occurs, generating an accident opening signal, a related protection signal and a breaker remote signaling signal, and acquiring the accident opening signal, the related protection signal, the breaker ID and name as well as a responsibility area; s2, associating the breaker with an outgoing line current value by adopting a topology association algorithm, and matching and acquiring a current real-time value according to the ID and the name of the breaker; s3, generating a short message with a fixed format by the accident brake-separating signal, the associated protection signal and the current real-time value; and S4, sending the short message to corresponding dispatching monitoring personnel according to the responsibility area through a Webservice interface of a short message platform of the power system information center. The invention ensures that the information contained in the short message is more comprehensive and the network security is higher.
Description
Technical Field
The invention relates to the technical field of power grids, in particular to automatic short message sending for power system fault tripping.
Background
The method for manually inputting the content of the short message on the short message platform and releasing the content of the short message to the mobile phone of the related personnel after a dispatcher finds that the power system has a fault and is tripped from a dispatching automation system has the defects of low manual input speed, easiness in forgetting and omission, dispersion of precious energy of the dispatcher, loss of important information caused by incomplete and irregular manual information collection, and complaint risk caused by unsuccessful information release due to wrong selection, wrong selection and missing selection of a short message receiver; in 2018, in 1-12 months, a power grid in a certain area trips for 4127 times at a voltage of more than 10kV, the number of short message sending times is 3571, the short message sending rate is 86.52%, the number of short message pieces with the correct short message content is 3177, the short message issuing timeliness rate is 81.33%, and the coverage rate of short message noticers is 88.75%.
Therefore, the method for automatically sending the short message by tripping power failure is adopted to avoid the short message missending, missing sending and information loss caused by artificial reasons, an input and output module of a built-in mobile phone card with a universal 485 serial port is configured in a control I area server of an original Energy Management System (EMS), the alarm information of the SCADA system is directly transmitted to the input and output module one by one through the input and output module, and the short message is automatically sent to a designated personnel telephone through the module so as to realize the function of information distribution. However, the existing trip automatic short message sending system also has some problems, for example, the short message module of the OPEN3000 system can automatically send a short message through the mode of a mobile phone card, but send a single message according to a specific monitoring information item, firstly, a plurality of short messages are needed to be seen together, reading is very inconvenient, usability is very poor, secondly, the mobile phone card is directly embedded into an I-zone server, network safety cannot be guaranteed, safety does not reach the standard, thirdly, important information such as load (current) before tripping cannot be written into short message content, a short message receiver cannot conveniently master important related information, and information is incomplete.
Disclosure of Invention
Technical problem to be solved
Based on the problems, the invention provides an automatic short message sending method and system for power system fault tripping, so that the short message contains more comprehensive information and has higher network security.
(II) technical scheme
Based on the technical problem, the invention provides an automatic short message sending method for power system fault tripping, which is characterized by comprising the following steps:
s1, when an accident tripping occurs, generating an accident opening signal, an associated protection signal and a breaker remote signaling signal, and acquiring the accident opening signal, the associated protection signal, the ID and the name of the breaker and a responsibility area to which the accident tripping breaker belongs;
s2, associating the breaker with an outgoing line current value by adopting a topology association algorithm, matching according to the ID and the name of the breaker and acquiring a current real-time value;
s3, if the current real-time value is greater than 1A and the associated protection signal is not empty and does not contain 'backup channel complement' or 'blocking', the accident tripping signal, the associated protection signal and the current real-time value generate a short message with a fixed format;
and S4, sending the short message to corresponding dispatching service range personnel according to the responsibility area through a Webservice interface of a short message platform of the power system information center.
Further, step S1 includes the following steps:
s1.1, when an accident trip occurs, generating an accident opening signal, a related protection signal and a breaker remote signaling signal by an EMS energy management system in a first area;
s1.2, sending the message from one area to three areas by a UDP protocol in a queue message mode;
and S1.3, obtaining the information by the three areas, and matching to obtain an accident opening signal, an associated protection signal, a breaker ID and name and a responsibility area to which the accident tripping breaker belongs.
Further, the method for obtaining the emergency opening signal, the associated protection signal, the breaker ID and name, and the responsibility area through matching in the step S1.3 is to obtain the associated emergency opening signal, the protection signal, the breaker ID and name, and the responsibility area through the message type, the device ID, and the name, and further obtain the emergency opening signal, the associated protection signal, the breaker ID and name, and the responsibility area related to the emergency trip through further matching in the type matching and character filtering manner.
Further, step S2 includes the following steps:
s2.1, extracting the signal obtained in the step S1 to obtain the ID and the name of the accident tripping circuit breaker;
s2.2, adding a breaker controlled relation table in an EMS system database, and associating the breaker with outgoing line current through adding an SCADA topological algorithm;
and S2.3, obtaining a current real-time value of the circuit breaker before the accident tripping moment through matching of the obtained circuit breaker ID and the obtained name.
Further, the current real-time value is the current of the electrified line or load at the moment 1 second before the accident breaker trips, and the associated protection signal is the signal of the electrified exit 7 seconds before and after the accident trip moment.
Further, the content of the fixed format short message in step S3 includes the time when the accident trip occurred, the position of the breaker that the accident trip occurred, the associated protection outlet and its signal, and the current real-time value.
Further, step S4 includes the following steps:
s4.1, extracting signals obtained in the step S1, and reading the responsibility area;
s4.2, according to the responsibility area-telephone number corresponding file matching, obtaining a telephone number corresponding to the responsibility area to which the accident tripping breaker to be sent belongs;
s4.3, pushing the content of the short message and the telephone number to a short message platform of an information center of the power system, and sending the content of the short message to the telephone number through the short message through a Webservice interface of the short message platform;
and S4.4, if the return value of the receiving platform is 1, the short message is successfully sent, and if the return value is 0, the short message is unsuccessfully sent, and the short message is sent again.
Further, the SCADA topological algorithm in step S2.2 is that the EMS graph-model integrated platform has nodes put in storage when the circuit breaker is modeled, a node number is generated, the device KEYID of the associated node can be calculated through the node number, the current of the device associated with the circuit breaker node number in the real-time library is queried through the device KEYID, and the current of the circuit breaker, the device associated with the circuit breaker node number, and the device associated with the circuit breaker node number is respectively written into the circuit breaker controlled relationship table through SCADA real-time changes.
An automatic short message sending system for power system fault tripping comprises: at least one processor and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the automatic short message sending method for power system fault tripping.
A non-transitory computer readable storage medium storing computer instructions that cause the computer to perform the power system fault trip automatic messaging method.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
(1) the short message in the invention has more comprehensive information, not only contains the state of the breaker and the associated protection signal when the power grid sends an accident, but also contains the line current or the load current before the breaker trips, thereby providing more effective comprehensive judgment basis for the relevant professionals of the power enterprise;
(2) the invention uniformly sends the short message by calling the Webservice interface of the short message platform in three areas, thereby avoiding the erection of extranet connection points in one area and effectively ensuring the information security of extranet access;
(3) the invention adopts a message acquisition mode, short messages can be sent to the mobile phones of related professional department personnel within 10s of a sending accident, and the timeliness of sending the short messages is effectively improved;
(4) the content of one short message in the invention comprises the state of the breaker and the associated protection signal when the accident is sent, the line current or the load current before the breaker trips and the like, and compared with the mode of reading a plurality of short messages together, the content is comprehensive and clear, and the reading by a receiver is convenient.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 is a flow chart of an automatic short message sending method for fault tripping of a power system according to the invention;
fig. 2 is a schematic flow chart of short message generation and transmission according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The invention discloses an automatic short message sending method and system for power system fault tripping, as shown in figure 1, the method comprises the following steps:
s1, when an accident tripping occurs, generating an accident opening signal, an associated protection signal and a breaker remote signaling signal, and acquiring the accident opening signal, the associated protection signal, the ID and the name of the breaker and a responsibility area to which the accident tripping breaker belongs;
step S1 includes the following steps:
s1.1, when an accident trip occurs, generating an accident opening signal, a related protection signal and a breaker remote signaling signal by an EMS energy management system in a first area; the related protection signals are signals with an exit in 7 seconds before and after the accident tripping moment;
s1.2, sending the message from one area to three areas by a UDP protocol in a queue message mode; the electric power secondary system is partitioned according to safety protection, wherein one area is a real-time control area, and the other area is a production management area;
and S1.3, obtaining the information by the three areas, and matching to obtain an accident opening signal, an associated protection signal, a breaker ID and name and a responsibility area to which the accident tripping breaker belongs.
S2, associating the breaker with an outgoing line current value by adopting a topology association algorithm, matching according to the ID and the name of the breaker and acquiring a current real-time value;
step S2 includes the following steps:
s2.1, extracting the signal obtained in the step S1 to obtain the ID and the name of the accident tripping circuit breaker;
s2.2, adding a breaker controlled relation table in an EMS system database, and associating the breaker with outgoing line current through adding an SCADA topological algorithm;
s2.3, obtaining a current real-time value of the circuit breaker before the accident tripping moment through the obtained circuit breaker ID and name matching; the current real-time value is the current of the carried line or load 1 second before the accident breaker trips.
S3, if the current real-time value is greater than 1A and the associated protection signal is not empty and does not contain 'backup channel complement' or 'blocking', the accident tripping signal, the associated protection signal and the current real-time value generate a short message with a fixed format; the short message content comprises the time of accident tripping, the position of the breaker of accident tripping, the associated protection outlet and the signal thereof, and the current real-time value.
S4, sending the short message to corresponding dispatching service range personnel according to the responsibility area through a Webservice interface of a short message platform of the power system information center;
step S4 includes the following steps:
s4.1, extracting signals obtained in the step S1, and reading the responsibility area;
s4.2, according to the responsibility area-telephone number corresponding file matching, obtaining a telephone number corresponding to the responsibility area to which the accident tripping breaker to be sent belongs;
s4.3, pushing the content of the short message and the telephone number to a short message platform of an information center of the power system, and sending the content of the short message to the telephone number through the short message through a Webservice interface of the short message platform;
and S4.4, if the return value of the receiving platform is 1, the short message is successfully sent, and if the return value is 0, the short message is unsuccessfully sent, and the short message is sent again.
An automatic short message sending system for power system fault tripping comprises: at least one processor and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the automatic short message sending method for power system fault tripping.
A non-transitory computer readable storage medium storing computer instructions that cause the computer to perform the power system fault trip automatic messaging method.
The embodiment shown in fig. 2 is specifically illustrated:
when a circuit breaker in the power system is tripped due to an accident, a substation end of an EMS energy management system in one area sends accident tripping signals, other associated protection signals and remote signaling signals of the circuit breaker to a main station end through messages, the main station end processes the signals through an SCADA server, combines the accident tripping signals, other associated protection signals and remote signaling signals of the circuit breaker into new accident tripping signals, and sends the new accident tripping signals to a network in a queue message mode through a UDP (user datagram protocol); the accident message is transmitted from one area to three areas through forward isolation, the three areas receive the accident message transmitted from the one area, relevant accident tripping signals, such as protection signals, breaker IDs, breaker names and responsibility areas of accident tripping breakers, are obtained through a message type, equipment ID and name matching mode, then accident information, protection information, responsibility areas and the like relevant to the accident tripping are obtained through further matching in a type matching and character filtering mode, the accident tripping-related accident information, the protection information, the responsibility areas and the like are obtained, the accident tripping-related accident information, the protection information, the responsibility areas and the like accord with a transformer substation with accident tripping, protection outlet actions and the interval time of the breaker and the protection outlet actions are within 7 seconds, and the accident tripping signals, the relevant protection signals, the breaker IDs, the names and the responsibility areas relevant to the accident tripping are led out to an accident tripping file in a.
Reading ID and name of the accident trip circuit breaker, adding a static device-circuit breaker controlled relation table in EMS system database, the circuit breaker is associated with the outgoing line current by adding an SCADA topological algorithm, the real-time current of the line or the load carried by the circuit breaker before the accident tripping moment is obtained by matching the ID and the name of the circuit breaker, the SCADA topological algorithm, namely the EMS system adopts a graph-model integrated platform, nodes are put in storage when the system is modeled, a circuit breaker generates a node number, the KEYID of the associated node load, line, capacitance reactor and equipment on the high-voltage side of the main transformer can be calculated through the node number, the current of equipment associated with a breaker node number in the real-time library can be inquired through the KEYID equipment, and the current real-time values of loads, lines, capacitance reactors and main transformer high-voltage sides associated with the breaker-equipment associated with the breaker node number-inquired circuit breaker are written into a static equipment _ breaker controlled table of the real-time library; the current 1 second before the trip time is exported to an accident trip file, and the current 1 second before the trip time is generally taken as the real-time current of accident trip and taken as one of the bases for trip judgment.
The current real-time value is greater than 1, and the associated protection signal is not empty and does not contain 'backup channel supplement' or 'blocking', the accident content and the current in the accident trip file are generated into a short message with a fixed format, the short message content comprises the time when the accident trip occurs, the position of a breaker where the accident trip occurs, an associated protection outlet and a signal thereof, and the real-time current before trip, such as 'XXXX year XX month XX hour XX minute, XX line XX breaker accident trip, XX protection outlet 1, XX protection outlet 2 …, and current before (after) trip X ampere'.
Reading accident content in the accident trip file, matching to obtain a telephone number of a responsibility area to be sent according to a newly-added responsibility area-telephone number corresponding file, pushing the short message content and the telephone number to be sent to a Webservice interface of a short message platform of an information center of the power system by using a JAVA program in the three area, sending the short message content to the corresponding telephone number through the short message, judging whether the short message is successfully sent or not according to a return value of a receiving platform, if the return value is 1, sending the short message successfully, if the return value is 0, sending the short message unsuccessfully, and resending the short message.
It should be noted that the control method described above can be executed as a software program or computer instructions in a non-transitory computer-readable storage medium or in a control system with a memory and a processor.
In summary, the method and the system for automatically sending the short message for the fault trip of the power system have the following advantages:
(1) the short message in the invention has more comprehensive information, not only contains the state of the breaker and the associated protection signal when the power grid sends an accident, but also contains the line current or the load current before the breaker trips, thereby providing more effective comprehensive judgment basis for the relevant professionals of the power enterprise;
(2) the invention uniformly sends the short messages through the Webservice interface of the short message platform with three areas, thereby avoiding the erection of an extranet connection point in one area and effectively ensuring the information security of extranet access;
(3) the invention adopts a message acquisition mode, short messages can be sent to the mobile phones of related professional department personnel within 10s of a sending accident, and the timeliness of sending the short messages is effectively improved;
(4) the content of one short message in the invention comprises the state of the breaker and the associated protection signal when the accident is sent, the line current or the load current before the breaker trips and the like, and compared with the mode of reading a plurality of short messages together, the content is comprehensive and clear, and the reading by a receiver is convenient;
(5) the invention judges the success and failure of sending the short message, thereby effectively avoiding the missed sending caused by the failure of sending the short message;
(6) the invention extracts the information of the responsibility area for sending the short message and obtains the telephone number, so that the accuracy of sending the short message is higher.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. An automatic short message sending method for power system fault tripping is characterized by comprising the following steps:
s1, when an accident tripping occurs, generating an accident opening signal, an associated protection signal and a breaker remote signaling signal, and acquiring the accident opening signal, the associated protection signal, the ID and the name of the breaker and a responsibility area to which the accident tripping breaker belongs;
s2, associating the breaker with an outgoing line current value by adopting a topology association algorithm, matching according to the ID and the name of the breaker and acquiring a current real-time value;
s3, if the current real-time value is greater than 1A and the associated protection signal is not empty and does not contain spare channel complement or blocking, a short message with a fixed format is generated by the accident tripping signal, the associated protection signal and the current real-time value;
and S4, sending the short message to corresponding dispatching service range personnel according to the responsibility area through a Webservice interface of a short message platform of the power system information center.
2. The method for automatically sending the short message for the fault trip of the power system as claimed in claim 1, wherein the step S1 includes the following steps:
s1.1, when an accident trip occurs, generating an accident opening signal, a related protection signal and a breaker remote signaling signal by an EMS energy management system in a first area;
s1.2, sending the message from one area to three areas by a UDP protocol in a queue message mode;
and S1.3, obtaining the information by the three areas, and matching to obtain an accident opening signal, an associated protection signal, a breaker ID and name and a responsibility area to which the accident tripping breaker belongs.
3. The method for automatically sending the short message for the fault trip of the power system as claimed in claim 2, wherein the step S1.3 of matching to obtain the accident tripping signal, the associated protection signal, the ID and name of the circuit breaker and the responsibility area is to obtain the related accident tripping signal, the protection signal, the ID and name of the circuit breaker and the responsibility area by means of matching of message type, equipment ID and name, and further obtain the accident tripping signal, the associated protection signal, the ID and name of the circuit breaker and the responsibility area related to the accident trip by means of further matching of type matching and character filtering.
4. The method for automatically sending the short message for the fault trip of the power system as claimed in claim 1, wherein the step S2 includes the following steps:
s2.1, extracting the signal obtained in the step S1 to obtain the ID and the name of the accident tripping circuit breaker;
s2.2, adding a breaker controlled relation table in an EMS system database, and associating the breaker with outgoing line current through adding an SCADA topological algorithm;
and S2.3, obtaining a current real-time value of the circuit breaker before the accident tripping moment through matching of the obtained circuit breaker ID and the obtained name.
5. The method as claimed in claim 1, wherein the current real-time value is the current of the line or load carried at the time 1 second before the tripping of the emergency circuit breaker, and the associated protection signal is the signal with "exit" at 7 seconds before and after the tripping time of the emergency circuit breaker.
6. The method as claimed in claim 1, wherein the content of the fixed format short message in step S3 includes time of accident trip, location of circuit breaker of accident trip, associated protection outlet and its signal, and the current real-time value.
7. The method for automatically sending the short message for the fault trip of the power system as claimed in claim 1, wherein the step S4 includes the following steps:
s4.1, extracting signals obtained in the step S1, and reading the responsibility area;
s4.2, according to the responsibility area-telephone number corresponding file matching, obtaining a telephone number corresponding to the responsibility area to which the accident tripping breaker to be sent belongs;
s4.3, pushing the content of the short message and the telephone number to a short message platform of an information center of the power system, and sending the content of the short message to the telephone number through the short message through a Webservice interface of the short message platform;
and S4.4, if the return value of the receiving platform is 1, the short message is successfully sent, and if the return value is 0, the short message is unsuccessfully sent, and the short message is sent again.
8. The method as claimed in claim 4, wherein the SCADA topology algorithm in step S2.2 is that nodes are already put in a warehouse when the circuit breaker is modeled for the EMS graph-model integrated platform, a node number is generated, a device KEYID of an associated node can be calculated through the node number, a current of a device associated with a node number of a circuit breaker in a real-time library is queried through the device KEYID, and the currents of the circuit breaker, the device associated with the node number of the circuit breaker, and the device associated with the node number of the circuit breaker are respectively written into the circuit breaker controlled relationship table through SCADA real-time changes.
9. An automatic short message sending system for power system fault tripping is characterized by comprising: at least one processor and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the power system fault trip automatic short message sending method according to any one of claims 1 to 8.
10. A non-transitory computer readable storage medium storing computer instructions for causing a computer to execute the power system fault trip automatic message sending method according to any one of claims 1 to 8.
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| CN112906389A (en) * | 2021-02-04 | 2021-06-04 | 云南电网有限责任公司昆明供电局 | Fault trip discrimination method based on multi-dimensional data analysis |
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