CN109066989B - Transformer substation measurement and control device with data verification and abnormal alarm functions and method - Google Patents
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Abstract
The application provides a transformer substation measurement and control device and method that possess data check and abnormal warning function, wherein the device includes: the device comprises a flow screen, a calibrator, a classifier and a diagnosis module; the flow screen is connected with a unit for acquiring the data information of the transformer substation through an equipment port of the measuring and controlling device of the transformer substation and is used for calculating the data flow of the received data information of the transformer substation and carrying out flow threshold control on the data information of the transformer substation; the calibrator is connected with the flow sieve and is used for detecting the data flow, and if the data flow is detected to be greater than a preset flow alarm threshold value, a flow abnormity alarm is sent out; the classifier is connected with the flow screen and is used for receiving the transformer substation data information subjected to flow threshold control and classifying different types of information in the transformer substation data information; the diagnosis module is connected with the classifier and used for carrying out abnormity diagnosis on the classified substation data information aiming at different types of information. This application can provide the support for intelligent substation automation system's reliable operation.
Description
Technical Field
The invention relates to the technical field of transformer substation measurement and control, in particular to a transformer substation measurement and control device and a transformer substation measurement and control method with data verification and abnormal alarm functions.
Background
The transformer substation measurement and control device is core equipment of a transformer substation automation system, is a four-remote core node and is responsible for acquisition and uploading of remote signaling and remote measurement data and receiving and forwarding of remote control and remote regulation data. Therefore, the measurement and control device is also a key hub for data acquisition, processing and forwarding of the substation automation system, and the accuracy and reliability of data are of great importance to the normal operation of each function of the measurement and control device.
The current measurement and control device does not have the functions of data verification and abnormal warning, and particularly in a conventional transformer substation, because the information sharing level of the conventional transformer substation is low, one measurement and control device is inconvenient to acquire data information at other intervals, so that the data verification and abnormal warning function can only be based on local information even if the data verification and abnormal warning function is realized, and the urgency and the significance of the data verification and abnormal warning function are not great.
Under intelligent substation's technical system, traditional secondary cable has been replaced to networked data transmission, and the sampling function is unified to be accomplished by the merging unit, and on the one hand, network information transmission's uncertainty makes data verification and unusual alarming function's desirability more obvious, and on the other hand, the data sharing level improves greatly between equipment for measuring and control device acquires other interval information and becomes more convenient, realizes that data verification and unusual alarming function also are feasible.
Aiming at the current situation that the current intelligent substation measurement and control device lacks a data verification and abnormity warning function, the invention provides a measurement and control device data verification and abnormity warning technology. The method aims to realize the analysis, quality evaluation and abnormity judgment of the data state of the measurement and control device, prompt the data problem of the measurement and control device to the substation operator in time and prevent the occurrence of faults.
Disclosure of Invention
The invention provides a transformer substation measurement and control device with data verification and abnormal alarm functions and a method thereof, which can realize data verification and abnormal alarm of the measurement and control device under an intelligent transformer substation technical system, fill up the blank of the current technology, improve the data quality of the measurement and control device, enable operators to find out unqualified data information as early as possible, and provide support for reliable operation of an intelligent transformer substation automation system.
In view of this, the first aspect of the present application provides a substation measurement and control device with data verification and abnormal alarm functions, and the device includes: the device comprises a flow screen, a calibrator, a classifier and a diagnosis module;
the flow screen is connected with a unit for acquiring the data information of the transformer substation through an equipment port of the measuring and controlling device of the transformer substation and is used for calculating the data flow of the received data information of the transformer substation and carrying out flow threshold control on the data information of the transformer substation;
the calibrator is connected with the flow sieve and is used for detecting the data flow calculated by the flow sieve, and if the data flow is detected to be greater than a preset flow alarm threshold value, a flow abnormity alarm is sent out;
the classifier is connected with the flow screen and is used for receiving the transformer substation data information subjected to flow threshold control and classifying different types of information in the transformer substation data information;
the diagnosis module is connected with the classifier and used for carrying out abnormity diagnosis on the classified substation data information aiming at different types of information.
Preferably, the diagnostic module comprises: a current information diagnosis element;
the current information diagnosis element is used for judging whether the interval current information or the related interval current information is abnormal or not through a current judgment formula;
the current judgment formula is as follows: i is1＝I2+I3+...+In；
Wherein, I1Is the current of this interval, I2、I3…InIs the relevant interval current.
Preferably, the diagnostic module comprises: a voltage information diagnosis element;
the voltage information diagnosis element is used for judging whether the interval voltage information or the related interval voltage information is abnormal or not through a voltage judgment formula;
the voltage judgment formula is as follows: u shape1＝U2；
Wherein, U1Is the interval voltage of U2Is the relevant interval voltage.
Preferably, the diagnostic module comprises: a switch information diagnosis element;
the switch information diagnosis element is used for acquiring the interval switch state, the current information related to the interval and the switch control information, judging whether the switch state is consistent with the last switch control information, if so, judging whether the current information is in a current range corresponding to the switch state, and if so, judging that the switch state is correct.
Preferably, the diagnostic module comprises: a gear information diagnostic element;
the gear information diagnosis element is used for acquiring an interval gear state, voltage information related to the interval and gear control information, judging whether the gear state is consistent with the last gear control information, if so, judging whether the voltage information is in a voltage range corresponding to the gear state, and if so, judging that the gear state is correct.
Preferably, in the flow screen performing flow threshold control on the substation data information, the flow screen is specifically configured to:
calculating a data threshold value to be discarded according to a discarding threshold value calculation formula, and discarding the received data exceeding the data threshold value;
Ddiscard the＝k1(80×50×n×L1+1000×m×L2)；
Wherein D isDiscard theFor a data threshold value needing to be discarded, 80 is that a sampling value of each cycle of an SV message is 80 points, 50 represents that 50 cycles exist in a 50Hz power system every second, n is the number of measurement and control devices accessing the SV message, m is the number of measurement and control devices accessing a GOOSE message, and L is the number of the measurement and control devices accessing the GOOSE message1Is the length, L, of the SV message2For the length of GOOSE message, 1000 means that the fastest burst rate of GOOSE message is 1000 messages per second, k1Is a preset discarding coefficient.
Preferably, the checker is specifically configured to calculate a flow alarm threshold through a flow alarm threshold calculation formula, and if it is detected that the data flow is greater than the flow alarm threshold, send a flow abnormal alarm;
the flow alarm threshold value calculation formula is as follows:
Galarm system＝k2(80×50×n×L1+1000×m×L2)；
Wherein G isAlarm systemFor a data threshold value needing to be discarded, 80 is that a sampling value of each cycle of an SV message is 80 points, 50 represents that 50 cycles exist in a 50Hz power system every second, n is the number of measurement and control devices accessing the SV message, m is the number of measurement and control devices accessing a GOOSE message, and L is the number of the measurement and control devices accessing the GOOSE message1Is the length, L, of the SV message2For the length of GOOSE message, 1000 means that the fastest burst rate of GOOSE message is 1000 messages per second, k2Is a preset alarm coefficient.
Preferably, the classifier is specifically configured to obtain the current information and the voltage information by analyzing the current information and the voltage information at fixed positions of SV messages in the substation data information, and obtain the switch information and the gear information by analyzing the switch information and the gear information at fixed positions of GOOSE messages in the substation data information;
the switch information comprises interval switch states and switch control information;
the gear information includes interval gear state and gear control information.
The second aspect of the present application provides a substation measurement and control method with data verification and abnormal alarm functions, which is executed based on the substation measurement and control device with data verification and abnormal alarm functions according to the first aspect, and includes:
calculating the data flow of the received transformer substation data information and carrying out flow threshold control on the transformer substation data information;
detecting the data flow calculated by the flow screen, and if the detected data flow is greater than a preset flow alarm threshold value, sending a flow abnormal alarm;
receiving the transformer substation data information subjected to flow threshold control, and classifying different types of information in the transformer substation data information;
and carrying out abnormity diagnosis on the classified substation data information aiming at different types of information.
The third aspect of the present application provides a transformer substation measurement and control device with data verification and abnormal alarm functions, and the device includes a processor and a memory:
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is used for executing the substation measurement and control method with the data verification and the abnormity warning function according to the instructions in the program codes.
According to the technical scheme, the invention has the following advantages:
the application provides a transformer substation measurement and control device and method that possess data check and abnormal warning function, wherein the device includes: the device comprises a flow screen, a calibrator, a classifier and a diagnosis module; the flow screen is connected with a unit for acquiring the data information of the transformer substation through an equipment port of the measuring and controlling device of the transformer substation and is used for calculating the data flow of the received data information of the transformer substation and carrying out flow threshold control on the data information of the transformer substation; the calibrator is connected with the flow sieve and is used for detecting the data flow calculated by the flow sieve, and if the data flow is detected to be greater than a preset flow alarm threshold value, a flow abnormity alarm is sent out; the classifier is connected with the flow screen and is used for receiving the transformer substation data information subjected to flow threshold control and classifying different types of information in the transformer substation data information; the diagnosis module is connected with the classifier and used for carrying out abnormity diagnosis on the classified substation data information aiming at different types of information. This application can realize measurement and control device's data check and abnormal warning under intelligent substation technical system, fills the blank of current technique, promotes measurement and control device's data quality for the operation personnel can discover unqualified data information as early as possible, provides the support for intelligent substation automation system's reliable operation.
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In order to illustrate the embodiments of the invention more clearly, the drawings that are needed for describing the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained by those skilled in the art without inventive exercise.
Fig. 1 is an architecture diagram (current information anomaly determination wiring diagram) of an intelligent substation technical system in an embodiment of the present application;
fig. 2 is a basic architecture diagram of an embodiment of a substation measurement and control device with data verification and abnormal alarm functions according to an embodiment of the present disclosure;
fig. 3 is a wiring diagram for judging voltage information abnormality of the intelligent substation technical system in the embodiment of the present application;
fig. 4 is a flow chart of switch information diagnosis in the embodiment of the present application.
Detailed Description
The invention provides a transformer substation measurement and control device with data verification and abnormal alarm functions and a method thereof, which can realize data verification and abnormal alarm of the measurement and control device under an intelligent transformer substation technical system, fill up the blank of the current technology, improve the data quality of the measurement and control device, enable operators to find out unqualified data information as early as possible, and provide support for reliable operation of an intelligent transformer substation automation system.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that, this application is applied to the intelligent substation technical system, please refer to fig. 1, fig. 1 is an architecture diagram of the intelligent substation technical system in the embodiment of this application, as shown in fig. 1, fig. 1 includes a Merging Unit (MU), a substation wiring, a switch, and a measurement and control device in the intelligent substation technical system, where the merging unit is disposed on a substation wiring for collecting current and voltage on the substation wiring, and may also be disposed on a switch and a transformer for collecting switch information and gear information, and then the collected information is merged and transmitted to the substation measurement and control device with data checking and abnormal alarm functions provided in this application through a switch set.
The utility model provides a possess data verification and unusual transformer substation measurement and control device who reports to police the function, can realize measurement and control device's data verification and unusual report to the police under intelligent substation technical system, fill the blank of current technique, promote measurement and control device's data quality for the operation personnel can discover unqualified data information as early as possible, provide the support for intelligent transformer substation automation system's reliable operation.
For convenience of understanding, please refer to fig. 2, and fig. 2 is a basic architecture diagram of a method of a substation measurement and control device with data verification and abnormal alarm functions in an embodiment of the present application, and as shown in fig. 2, the substation measurement and control device with data verification and abnormal alarm functions specifically includes: the device comprises a flow screen, a calibrator, a classifier and a diagnosis module;
the flow screen is connected with a unit for acquiring the data information of the transformer substation through an equipment port of the measuring and controlling device of the transformer substation and is used for calculating the data flow of the received data information of the transformer substation and carrying out flow threshold control on the data information of the transformer substation;
the calibrator is connected with the flow sieve and is used for detecting the data flow calculated by the flow sieve, and if the data flow is detected to be greater than a preset flow alarm threshold value, a flow abnormity alarm is sent out;
the classifier is connected with the flow screen and is used for receiving the transformer substation data information subjected to flow threshold control and classifying different types of information in the transformer substation data information;
the diagnosis module is connected with the classifier and used for carrying out abnormity diagnosis on the classified substation data information aiming at different types of information.
Further, the diagnostic module includes: a current information diagnosis element;
the current information diagnosis element is used for judging whether the interval current information or the related interval current information is abnormal or not through a current judgment formula;
the current judgment formula is as follows: i is1＝I2+I3+...+In；
Wherein, I1Is the current of this interval, I2、I3…InIs the relevant interval current. If the current judgment formula is not established, a current abnormity alarm is sent out.
The bay is a unit for describing functional units in the substation, generally, one circuit breaker belongs to one bay, one transformer belongs to one bay, and the measurement and control device is basically configured according to the bay.
Referring to fig. 1, the diagnosis principle of the current information is mainly to compare and analyze the interval current and the related interval current to determine whether the interval or the related interval current information is abnormal. The schematic wiring diagram is shown in fig. 1.
As shown in fig. 1, wherein the solid lines represent primary wiring and the dashed lines represent secondary network wiring. It can be seen that there are three current levels I1、I2And I3Simultaneously, the three currents are accessed into a measurement and control device, and are summarized by a current information diagnosis module for comprehensive judgment and analysis, wherein the three currents meet I1＝I2+I3An algebraic relationship of (c). If the three paths of currents do not meet the algebraic relation, a current abnormity alarm is sent out.
Further, the diagnostic module includes: a voltage information diagnosis element;
the voltage information diagnosis element is used for judging whether the interval voltage information or the related interval voltage information is abnormal or not through a voltage judgment formula;
the voltage judgment formula is as follows: u shape1＝U2；
Wherein, U1Is the interval voltage of U2Is the relevant interval voltage.
The diagnosis principle of the voltage information is mainly to compare and analyze the interval voltage and the related interval voltage so as to judge whether the interval or the related interval voltage information is abnormal. The schematic wiring diagram is shown in fig. 3.
As shown in FIG. 3, there are two voltage values U1、U2Simultaneously connected into a measurement and control device, and the two paths of voltages are collected by a voltage information diagnosis module to be comprehensively judged and analyzed, wherein the two paths of voltages meet the requirement of U1＝U2An algebraic relationship of (c). And if the two paths of voltages do not meet the algebraic relation, sending out a voltage abnormity alarm.
Fig. 1 and 3 are both wiring manners of the system architecture of the present application, and the merging unit may be wired according to the manners of fig. 1 and 3 at the same time, and then may simultaneously implement the related measurement and control of current and voltage, and in addition, there are other wirings, and the merging unit MU may be disposed at any place of the power system as required to perform information acquisition on the lines and devices of the power system, which is not described herein again.
Further, the diagnostic module includes: a switch information diagnosis element;
the switch information diagnosis element is used for acquiring the interval switch state, the current information related to the interval and the switch control information, judging whether the switch state is consistent with the last switch control information, if so, judging whether the current information is in a current range corresponding to the switch state, and if so, judging that the switch state is correct.
The diagnosis of the switching information requires the integration of the current and switching control information associated with the switching interval, the main flow of which is shown in fig. 4.
The main judgment process mainly comprises two links:
1) and judging whether the switch state is consistent with the last switch control state, namely if the control signal of the last switch is on, the current switch state is in an on position, and if the control signal of the last switch is off, the current switch state is in an off position.
2) And judging whether the switch state is consistent with the related current value or not, namely if a certain switch is switched off, the current value of the corresponding line is 0.
And the diagnosis of the switch information is realized through the redundancy judgment of the two links.
Further, the diagnostic module includes: a gear information diagnostic element;
the gear information diagnosis element is used for acquiring an interval gear state, voltage information related to the interval and gear control information, judging whether the gear state is consistent with the last gear control information (if the gear control information is 3 gears, whether the gear state is 3 gears needs to be judged), if so, judging whether the voltage information is in a voltage range corresponding to the gear state, and if so, judging that the gear state is correct.
The gear information diagnosis needs to integrate the voltage related to the gear and the gear control information, and the idea is similar to that of the switch information diagnosis module.
And judging whether the voltage related to the gear is consistent with the last gear control information, namely if the last gear control information is the n gear, the current voltage is in a voltage range corresponding to the n gear.
Further, in the flow screen performing flow threshold control on the data information of the transformer substation, the flow screen is specifically configured to:
calculating a data threshold value to be discarded according to a discarding threshold value calculation formula, and discarding the received data exceeding the data threshold value;
the discard threshold calculation formula is:
Ddiscard the＝k1(80×50×n×L1+1000×m×L2)；
Wherein D isDiscard theFor a data threshold value needing to be discarded, 80 is that a sampling value of each cycle of an SV message is 80 points, 50 represents that 50 cycles exist in a 50Hz power system every second, n is the number of measurement and control devices accessing the SV message, m is the number of measurement and control devices accessing a GOOSE message, and L is the number of the measurement and control devices accessing the GOOSE message1Is the length, L, of the SV message2For the length of GOOSE message, 1000 means that the fastest burst rate of GOOSE message is 1000 messages per second, k1Is a preset discarding coefficient.
Under the functional framework of data verification and abnormal alarm, various types of data entering the measurement and control device firstly pass through the flow screen after entering the device through the equipment port of the measurement and control device. The flow screen has the following two functions:
1) calculating the data flow entering the measurement and control device, and sending the flow calculation information to a checker for flow check;
2) when the data flow is overlarge, a part of flow is discarded, and the operation of the equipment is prevented from being influenced by the overlarge data. And discarding the data exceeding the data threshold value needing to be discarded, wherein the discarding method is directly a method of no receiving, and is similar to a packet loss method. Since these streams are all of the same level of importance, the latter are directly discarded, and the first-come is retained, in a first-come-first-serve manner.
Further, the checker is specifically configured to calculate a flow alarm threshold through a flow alarm threshold calculation formula, and if it is detected that the data flow is greater than the flow alarm threshold, send a flow abnormal alarm;
the flow alarm threshold value calculation formula is as follows:
Galarm system＝k2(80×50×n×L1+1000×m×L2)；
Wherein G isAlarm systemFor a data threshold value needing to be discarded, 80 is that a sampling value of each cycle of an SV message is 80 points, 50 represents that 50 cycles exist in a 50Hz power system every second, n is the number of measurement and control devices accessing the SV message, m is the number of measurement and control devices accessing a GOOSE message, and L is the number of the measurement and control devices accessing the GOOSE message1Is the length, L, of the SV message2Is a GOOSE reportText length, 1000 means that the fastest burst rate for a GOOSE message is 1000 messages per second, k2Is a preset alarm coefficient.
The checker is used for analyzing and evaluating the data flow entering the measurement and control device, and if the flow is found to be larger than the expected flow, an abnormal flow alarm is sent out.
Further, the classifier is specifically configured to obtain the current information and the voltage information by analyzing the current information and the voltage information at fixed positions of SV messages in the substation data information, and obtain the switch information and the gear information by analyzing the switch information and the gear information at fixed positions of GOOSE messages in the substation data information;
the switch information comprises interval switch states and switch control information;
the gear information includes interval gear state and gear control information.
The classifier is used for classifying different types of information in the traffic so as to provide data services for subsequent different types of applications. The classifier module mainly extracts four types of information from the flow, namely current information, voltage information, switch information and gear information. The switch information includes current state information of the switch and control command information of the switch, and the gear information includes current state information of the gear and control command information of the gear. After the classification controller separates different types of information, the information is respectively sent to corresponding elements, and the corresponding relation of information transmission is shown in table 1.
TABLE 1
The classifier mainly analyzes the content in the message for judgment. The current and voltage information is mainly in the SV message, the current and voltage information has fixed positions in the SV message, and the information of the relevant positions is analyzed. The information of the switch and the gear is in a GOOSE message, and the specific information is also in a fixed position of the message.
The above is a detailed description of an embodiment of the substation measurement and control device with the data verification and abnormal alarm functions provided by the present application, and the following is a detailed description of an embodiment of the substation measurement and control method with the data verification and abnormal alarm functions provided by the present application.
The application provides a transformer substation measurement and control method that possesses data check and unusual alarming function, carries out based on the transformer substation measurement and control device that possesses data check and unusual alarming function like the embodiment above, includes:
calculating the data flow of the received transformer substation data information and carrying out flow threshold control on the transformer substation data information;
detecting the data flow calculated by the flow screen, and if the detected data flow is greater than a preset flow alarm threshold value, sending a flow abnormal alarm;
receiving the transformer substation data information subjected to flow threshold control, and classifying different types of information in the transformer substation data information;
and carrying out abnormity diagnosis on the classified substation data information aiming at different types of information.
The foregoing describes in detail an embodiment of a substation measurement and control method with data verification and abnormal alarm functions provided in the present application, and the following describes in detail an embodiment of a substation measurement and control device with data verification and abnormal alarm functions provided in the present application.
The application provides a transformer substation measurement and control equipment that possesses data check and unusual alarming function, including treater and memory:
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is used for executing the substation measurement and control method with the data verification and the abnormity warning function according to the instructions in the program codes.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. Possess data verification and abnormal alarm function's transformer substation measurement and control device, its characterized in that includes: the device comprises a flow screen, a calibrator, a classifier and a diagnosis module;
the flow screen is connected with a unit for acquiring the data information of the transformer substation through an equipment port of the transformer substation measurement and control device and is used for calculating the data flow of the received data information of the transformer substation and carrying out flow threshold control on the data information of the transformer substation;
the calibrator is connected with the flow screen and is specifically used for calculating a flow alarm threshold through a flow alarm threshold calculation formula, and if the data flow is detected to be greater than the flow alarm threshold, a flow abnormal alarm is sent out;
the flow alarm threshold value calculation formula is as follows:
Galarm system＝k2(80×50×n×L1+1000×m×L2)；
Wherein G isAlarm systemFor the data threshold value needing warning, the sampling value of 80 for each cycle of SV message is 80 points, and 50 represents the electricity for 50HzThe system comprises a force system, wherein each second has 50 cycles, n is the number of SV messages accessed by a measurement and control device, m is the number of GOOSE messages accessed by the measurement and control device, L1 is the length of the SV messages, L2 is the length of the GOOSE messages, 1000 means that the fastest burst rate of the GOOSE messages is 1000 messages per second, and k2 is a preset alarm coefficient;
the classifier is connected with the flow screen and is used for receiving the transformer substation data information subjected to flow threshold control and classifying different types of information in the transformer substation data information;
the diagnosis module is connected with the classifier and used for carrying out abnormity diagnosis on the classified transformer substation data information aiming at different types of information.
2. The substation measurement and control device with data verification and abnormal alarm functions according to claim 1, wherein the diagnosis module comprises: a current information diagnosis element;
the current information diagnosis element is used for judging whether the interval current information or the related interval current information is abnormal or not through a current judgment formula;
the current judgment formula is as follows: i is1＝I2+I3+...+In；
Wherein, I1Is the current of this interval, I2、I3…InIs the relevant interval current.
3. The substation measurement and control device with data verification and abnormal alarm functions according to claim 1, wherein the diagnosis module comprises: a voltage information diagnosis element;
the voltage information diagnosis element is used for judging whether the interval voltage information or the related interval voltage information is abnormal or not through a voltage judgment formula;
the voltage judgment formula is as follows: u shape1＝U2；
Wherein, U1Is the interval voltage of U2Is the relevant interval voltage.
4. The substation measurement and control device with data verification and abnormal alarm functions according to claim 1, wherein the diagnosis module comprises: a switch information diagnosis element;
the switch information diagnosis element is used for acquiring the interval switch state, the current information related to the interval and the switch control information, judging whether the switch state is consistent with the last switch control information, if so, judging whether the current information is in a current range corresponding to the switch state, and if so, judging that the switch state is correct.
5. The substation measurement and control device with data verification and abnormal alarm functions according to claim 1, wherein the diagnosis module comprises: a gear information diagnostic element;
the gear information diagnosis element is used for acquiring an interval gear state, voltage information related to the interval and gear control information, judging whether the gear state is consistent with the last gear control information, if so, judging whether the voltage information is in a voltage range corresponding to the gear state, and if so, judging that the gear state is correct.
6. The substation measurement and control device with the data verification and anomaly alarm functions according to claim 1, wherein the flow screen is specifically configured to, during flow threshold control of substation data information, perform:
calculating a data threshold value to be discarded according to a discarding threshold value calculation formula, and discarding the received data exceeding the data threshold value;
the drop threshold calculation formula is as follows:
Ddiscard the＝k1(80×50×n×L1+1000×m×L2)；
Wherein D isDiscard theFor a data threshold value needing to be discarded, 80 is that a sampling value of each cycle of an SV message is 80 points, 50 represents that 50 cycles exist in a 50Hz power system every second, n is the number of SV messages accessed by a measurement and control device, m is the number of GOOSE messages accessed by the measurement and control device,L1is the length, L, of the SV message2For the length of GOOSE message, 1000 means that the fastest burst rate of GOOSE message is 1000 messages per second, k1Is a preset discarding coefficient.
7. The substation measurement and control device with the data checking and abnormality warning functions according to claim 1, wherein the classifier is specifically configured to obtain the current information and the voltage information according to fixed position analysis of the SV messages in the substation data information by the current information and the voltage information, and obtain the switch information and the shift information according to fixed position analysis of the GOOSE messages in the substation data information by the switch information and the shift information;
the switch information comprises interval switch states and switch control information;
the gear information includes interval gear state and gear control information.
8. The substation measurement and control method with the data verification and anomaly alarm functions is executed based on the substation measurement and control device with the data verification and anomaly alarm functions according to any one of claims 1 to 7, and is characterized by comprising the following steps:
calculating the data flow of the received transformer substation data information and carrying out flow threshold control on the transformer substation data information;
detecting the data flow calculated by the flow screen, and if the detected data flow is greater than a preset flow alarm threshold value, sending a flow abnormal alarm;
receiving the transformer substation data information subjected to flow threshold control, and classifying different types of information in the transformer substation data information;
and carrying out abnormity diagnosis on the classified substation data information aiming at different types of information.
9. The utility model provides a transformer substation measurement and control equipment that possesses data check and abnormal warning function which characterized in that, equipment includes treater and memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the substation measurement and control method with the data verification and anomaly alarm functions of claim 8 according to instructions in the program codes.
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