CN113848410A - Detection method and device of control and protection device - Google Patents
Detection method and device of control and protection device Download PDFInfo
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- CN113848410A CN113848410A CN202111163577.0A CN202111163577A CN113848410A CN 113848410 A CN113848410 A CN 113848410A CN 202111163577 A CN202111163577 A CN 202111163577A CN 113848410 A CN113848410 A CN 113848410A
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Abstract
The invention discloses a detection method and a detection device of a control and protection device, wherein the method comprises the following steps: s1, acquiring simulation data of different working conditions in a control and protection device, S2, acquiring a detection result of a control function of the control and protection device according to the magnitude relation between the difference between the simulation data and a preset simulation pole control signal and a preset difference threshold value, S3, inputting a preset fault simulation signal into the control and protection device to acquire a protection action signal and an alarm signal of the control and protection device, S4, comparing the protection action signal with the alarm signal with standard parameters of a protection logic of the control and protection device to acquire a detection result of the protection function of the control and protection device, S5, summarizing the detection result of the control function and the detection result of the protection function to acquire a detection report of the control and protection device. According to the detection, control and protection device of the operation and maintenance detection system, the accuracy and the efficiency of the detection, control and protection device are improved.
Description
Technical Field
The invention relates to the field of detecting and protecting devices, in particular to a detecting method and a detecting device of a protecting and controlling device.
Background
The detection of a control protection device (called a control protection device for short) usually has two scenes, one is the verification of the nominal function of a manufacturer or a verification center, and the other is the detection of the function of the protection device when the equipment is in power failure for maintenance. Often, the detection requires single item verification based on protection functions, which is time and labor consuming.
Currently, a control and protection device mainly depends on manual testing, in the testing process, a relay protection tester operated manually needs to continuously adjust wiring and various values according to different protection tests, so that the process is complicated, errors are easy to occur, and the experience level and the detail degree of field workers are tested; meanwhile, as the test process is complicated, a lot of time is consumed for filling in a test result report after the test is finished, and great burden is brought to front-line personnel.
Therefore, in order to improve the accuracy and the high efficiency of the detection of the control protection device and solve the technical problem that the manual detection of the control protection device consumes a lot of time and labor at present, it is urgently needed to construct a detection method of the control protection device.
Disclosure of Invention
The invention provides a detection method and a detection device of a control and protection device, and solves the technical problem that the existing manual detection and control and protection device consumes a large amount of time and labor.
In a first aspect, the present invention provides a method for detecting a control and protection device, including:
s1, acquiring simulation data of different working conditions in the control and protection device;
s2, obtaining a detection result of the control function of the control and protection device according to the magnitude relation between the difference between the analog data and a preset analog pole control signal and a preset difference threshold value;
s3, inputting a preset fault simulation signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device;
s4, comparing the protection action signal and the alarm signal with the standard parameters of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device;
and S5, summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device.
Optionally, the step S2 includes:
s21, converting the analog data of any one of the undetected different working conditions into a polar control signal;
s22, detecting the magnitude relation between the difference between the polar control signal and the preset analog polar control signal and the preset difference threshold value to obtain the detection result of the polar control signal corresponding to the analog data;
s23, determining whether the analog data which is not searched exists; if yes, go back to step S21; and if not, obtaining a detection result of the control function of the control and protection device.
Optionally, the step S21 includes:
s211, dividing the analog data of any one of the undetected different working conditions into a plurality of paragraph data according to the preset data quantity;
s212, converting any paragraph data in the plurality of paragraph data that has not been retrieved into a polarity control signal.
Optionally, the step S22 includes:
s221, judging whether the difference between the polar control signal and a preset analog polar control signal is greater than a preset difference threshold value; if so, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; if not, go to step S222;
s222, inputting the pole control signal into a preset analytical model, and calculating to obtain a voltage value and a current value of each system node in the control and protection device;
s223, respectively judging whether the difference between the voltage value and a preset voltage value and the difference between the current value and a preset current value are both smaller than a preset difference threshold value; if not, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; and if so, determining that the paragraph data corresponding to the polar control signal passes the detection.
Optionally, the step S23 includes:
s231, determining whether unrequired paragraph data exist; if yes, go back to step S212; if not, recording the detection result of the simulation data of any working condition;
s232, determining whether the unrequired simulation data exist or not; if yes, returning to execute the step S211; if not, summarizing the detection results of different working conditions, and generating the detection result of the control function of the control and protection device.
In a second aspect, the present invention provides a detection apparatus for a control and protection apparatus, including:
the acquisition module is used for acquiring simulation data of different working conditions in the control and protection device;
the detection module is used for obtaining a detection result of the control function of the control and protection device according to the magnitude relation between the difference between the analog data and a preset analog pole control signal and a preset difference threshold value;
the fault module is used for inputting a preset fault simulation signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device;
the comparison module is used for comparing the protection action signal and the alarm signal with the standard parameters of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device;
and the summarizing module is used for summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device.
Optionally, the detection module includes:
the conversion submodule is used for converting the analog data of any one of the undetected different working conditions into a polar control signal;
the detection submodule is used for detecting the magnitude relation between the difference between the polar control signal and the preset analog polar control signal and the preset difference threshold value to obtain the detection result of the polar control signal corresponding to the analog data;
a determination submodule for determining whether there is analog data that has not been retrieved; if yes, returning to the substep of executing conversion; and if not, obtaining a detection result of the control function of the control and protection device.
Optionally, the conversion sub-module includes:
the dividing unit is used for dividing the analog data of any one of the undetected different working conditions into a plurality of paragraph data according to the preset data quantity;
and the conversion unit is used for converting any paragraph data in the plurality of paragraph data which are not retrieved into the polar control signal.
Optionally, the detection submodule includes:
the first judgment unit is used for judging whether the difference between the polar control signal and a preset analog polar control signal is greater than a preset difference threshold value or not; if so, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; if not, executing the step of the computing unit;
the calculation unit is used for inputting the pole control signal into a preset analytical model and calculating to obtain a voltage value and a current value of each system node in the control and protection device;
the second judging unit is used for respectively judging whether the difference between the voltage value and a preset voltage value and the difference between the current value and a preset current value are both smaller than the preset difference threshold value; if not, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; and if so, determining that the paragraph data corresponding to the polar control signal passes the detection.
Optionally, the determining sub-module includes:
a first determination unit configured to determine whether or not there is unretrieved paragraph data; if yes, returning to the step of executing the conversion unit; if not, recording the detection result of the simulation data of any working condition;
a second determination unit for determining whether or not there is analog data that has not been retrieved; if yes, returning to the step of executing the dividing unit; if not, summarizing the detection results of different working conditions, and generating the detection result of the control function of the control and protection device.
According to the technical scheme, the invention has the following advantages: the invention provides a detection method of a control and protection device, which comprises the steps of obtaining simulation data of different working conditions in the control and protection device through S1, obtaining a detection result of a control function of the control and protection device according to the magnitude relation between the difference between the simulation data and a preset simulation polar control signal and a preset difference threshold value S2, inputting a preset fault simulation signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device S3, comparing the protection action signal and the alarm signal with standard parameters of protection logic of the control and protection device to obtain a detection result of the protection function of the control and protection device S4, summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device S5, detecting the control and protection device through an operation and maintenance detection system, solving the technical problem that the existing manual detection and control device consumes a large amount of time and labor, the accuracy and the high efficiency of the detection control protection device are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flowchart illustrating a first embodiment of a method for detecting a control and protection device according to the present invention;
FIG. 2 is a flowchart illustrating a second embodiment of a method for detecting a control and protection device according to the present invention;
FIG. 3 is a block diagram of the connection between a control and protection device and an operation and maintenance detection system according to the present invention;
fig. 4 is a block diagram of a detecting device of a control and protection device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a detection method and a detection device of a control and protection device, which are used for solving the technical problem that the existing manual detection and control and protection device consumes a large amount of time and labor.
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.
In a first embodiment, referring to fig. 1, fig. 1 is a flowchart of a first embodiment of a detection method of a control and protection device according to the present invention, including:
s101, acquiring simulation data of different working conditions in a control and protection device;
step S102, obtaining a detection result of the control function of the control and protection device according to the magnitude relation between the difference between the analog data and a preset analog pole control signal and a preset difference threshold value;
step S103, inputting a preset fault simulation signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device;
step S104, comparing the protection action signal and the alarm signal with the standard parameters of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device;
and step S105, summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device.
In the detection method of the control and protection device provided by the embodiment of the invention, the simulation data of different working conditions in the control and protection device is obtained through the step S101, the step S102 is to obtain the detection result of the control function of the control and protection device according to the magnitude relation between the difference between the simulation data and the preset simulation pole control signal and the preset difference threshold value, the step S103 is to input the preset fault simulation signal into the control and protection device to obtain the protection action signal and the alarm signal of the control and protection device, the step S104 is to compare the protection action signal and the alarm signal with the standard parameter of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device, the step S105 is to summarize the detection result of the control function and the detection result of the protection function to obtain the detection report of the control and protection device, and the control and protection device is detected through an operation and maintenance detection system, the technical problem that the existing manual detection, control and protection device consumes a large amount of time and labor is solved, and the accuracy and the efficiency of the detection, control and protection device are improved.
In a second embodiment, referring to fig. 2, fig. 2 is a flowchart illustrating a method for detecting a control and protection device according to the present invention, including:
step S201, acquiring simulation data of different working conditions in a control and protection device;
in the embodiment of the invention, the simulation data of different working conditions in the control and protection device are obtained.
In the specific implementation, firstly, the direct current distribution control and protection device and an operation and maintenance detection device with an operation and maintenance detection system are connected in a one-to-one correspondence mode through optical fibers and cables, then the configuration matching of the detection device and the control and protection device is started, the detection device initializes a detection program after the matching is completed, and each port sends a debugging signal to enable the control and protection device to enter the same running state as the normal operation, so that the simulation data of different working conditions in the control and protection device is obtained.
Referring to fig. 3, fig. 3 is a block diagram of a connection between a control and protection device and an operation and maintenance detection system according to the present invention, where 301 is the control and protection device, 302 is an electrical ethernet, 303 is an optical fiber, 304 is a cable, and 305 is the operation and maintenance detection system, and the connection between the control and protection device 301 and the operation and maintenance detection system 305 has multiple modes, including an electrical ethernet, an optical fiber, and a cable.
The electric Ethernet 302 also transmits signals through a cable, and the detection device provides a virtual area distribution network environment for the control and protection device through simulating information of the SCADA system under the interactive typical working condition; the cable communication is divided into two types of input and reading signals of the control and protection device 301, wherein the input type mainly simulates state monitoring quantity and CT/PT measurement signals, the control and protection device 301 is provided with state information of a virtual key device and voltage and current information of an alternating current gateway key node, and the output type mainly comprises switch closing, switch opening transmission signals, panel indicator lamp control and electromagnetic lock control signals of the control and protection device 301; the optical fiber communication is the largest information quantity, the control and protection device is input with simulated positive and negative electrode voltages and currents, upper and lower bridge arm currents, starting loop currents, neutral point currents of a connecting transformer, a GPS clock, and interactive information with each device under different typical working conditions, a virtual environment which is enough for the control and protection device 301 to operate is configured with the least possible data quantity, and the original centralized wave recorder is adopted for recording the polar control signals of the control and protection device 301 for observing the automatic detection process.
Step S202, converting the analog data of any one of the undetected different working conditions into a polar control signal;
in an alternative embodiment, the step S202 includes:
step S2021, dividing the analog data of any one of the undetected different working conditions into a plurality of paragraph data according to the preset data quantity;
in step S2022, any paragraph data in the plurality of paragraph data that has not been retrieved is converted into a polarity control signal.
In the embodiment of the invention, according to the preset data quantity, the analog data of any one of the undetected different working conditions is divided into a plurality of paragraph data, and any paragraph data in the plurality of paragraph data which are not searched is converted into the polar control signal.
In the specific implementation, no actual system or real-time simulation system feeds back signals to the control and protection device, and the delay existing in the control is considered, so that the data sequence needs to be provided section by section, the input data volume once is set to be 10 step lengths, and the control and protection device outputs the pole control signals after the data sequence is input.
Step S203, detecting the magnitude relation between the difference between the polar control signal and the preset analog polar control signal and the preset difference threshold value to obtain the detection result of the polar control signal corresponding to the analog data;
in an alternative embodiment, the step S203 includes:
s2031, judging whether the difference between the polar control signal and a preset analog polar control signal is larger than a preset difference threshold value; if so, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; if not, executing the step SS 2032;
s2032, inputting the pole control signal into a preset analytical model, and calculating to obtain a voltage value and a current value of each system node in the control and protection device;
s2033, respectively judging whether the difference between the voltage value and a preset voltage value and the difference between the current value and a preset current value are both smaller than a preset difference threshold value; if not, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; and if so, determining that the paragraph data corresponding to the polar control signal passes the detection.
In the embodiment of the present invention, a magnitude relation between a difference between the polar control signal and the preset analog polar control signal and the preset difference threshold is detected, so as to obtain a detection result of analog data corresponding to the polar control signal.
In the specific implementation, the converted polar control signal is compared with a corresponding preset analog polar control signal, and if the difference exceeds a threshold value, an alarm is given and recorded; when the difference between the pole control signal and the preset value does not exceed the threshold value, the pole control signal (three-phase voltage target value) output by the control and protection device is loaded into a mathematical analysis model of the direct current power distribution system, the voltage and the current of each node of the system are obtained through calculation, the calculation result is compared with a voltage and current sequence (considering control delay) preset under the simulated working condition, when the difference exceeds the threshold value, the alarm is given and recorded, and when the difference does not exceed the threshold value, the control function under the 10 step lengths passes the detection.
Step S204, determining whether the analog data which is not retrieved exists; if yes, returning to execute the step S202; if not, go to step S205;
in an alternative embodiment, the step S204 includes:
s2041, determining whether there is any unretrieved paragraph data; if yes, go back to step S2022; if not, recording the detection result of the simulation data of any working condition;
s2042, determining whether the analog data which is not retrieved exists; if yes, the process returns to step S2021; if not, summarizing the detection results of different working conditions, and generating the detection result of the control function of the control and protection device.
In an embodiment of the present invention, it is determined whether there is analog data that has not been retrieved; if yes, returning to execute the step S202; if not, go to step S205.
In the specific implementation, analog data detection of the next 10 steps is carried out, when all data sequences simulated by the first working condition are detected, the detection result is recorded, and then the detection of the next working condition is carried out; after all the working conditions are detected once, the fixed mode detection of the control function is completed, and the detection result of the control function of the control and protection device can be obtained according to the detection results of all the analog data.
Step S205, obtaining the detection result of the control function of the control and protection device;
step S206, inputting a preset fault analog signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device;
in the embodiment of the invention, a preset fault analog signal is input into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device.
In the specific implementation, firstly, fault simulation signals are prepared, wherein the fault simulation signals comprise simulation measurement values capable of triggering various protection action criteria and system state information corresponding to fault conditions, and then the fault simulation signals are input into the control and protection device one by one to obtain protection action signals and alarm signals output by the control and protection device.
Step S207, comparing the protection action signal and the alarm signal with the standard parameters of the protection logic of the control and protection device to obtain a detection result of the protection function of the control and protection device;
in the embodiment of the invention, the protection action signal and the alarm signal are compared with the protection logic in the control and protection device specification, and the comparison result is recorded to obtain the detection result of the protection function of the control and protection device.
And step S208, summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device.
In the detection method of the control and protection device provided by the embodiment of the invention, the simulation data of different working conditions in the control and protection device is obtained through S1, S2, the detection result of the control function of the control and protection device is obtained according to the magnitude relation between the difference between the simulation data and the preset simulation pole control signal and the preset difference threshold value, S3, the preset fault simulation signal is input into the control and protection device to obtain the protection action signal and the alarm signal of the control and protection device, S4, the protection action signal and the alarm signal are compared with the standard parameters of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device, S5, the detection result of the control function and the detection result of the protection function are summarized to obtain the detection report of the control and protection device, the technical problem that the existing manual detection, control and protection device consumes a large amount of time and manpower is solved through the operation and maintenance detection system for detecting the control and protection device, the accuracy and the high efficiency of the detection control protection device are improved.
Referring to fig. 4, fig. 4 is a block diagram of a detecting device of a control and protection device according to an embodiment of the present invention, including:
an obtaining module 401, configured to obtain simulation data of different working conditions in the control and protection device;
a detection module 402, configured to obtain a detection result of the control function of the protection and control device according to a size relationship between a difference between the analog data and a preset analog pole control signal and a preset difference threshold;
a fault module 403, configured to input a preset fault analog signal to the control and protection device, so as to obtain a protection action signal and an alarm signal of the control and protection device;
a comparison module 404, configured to compare the protection action signal and the alarm signal with a standard parameter of the protection logic of the control and protection device, so as to obtain a detection result of the protection function of the control and protection device;
and a summarizing module 405, configured to summarize the detection result of the control function and the detection result of the protection function, so as to obtain a detection report of the control and protection device.
In an alternative embodiment, the detection module 402 comprises:
the conversion submodule is used for converting the analog data of any one of the undetected different working conditions into a polar control signal;
the detection submodule is used for detecting the magnitude relation between the difference between the polar control signal and the preset analog polar control signal and the preset difference threshold value to obtain the detection result of the polar control signal corresponding to the analog data;
a determination submodule for determining whether there is analog data that has not been retrieved; if yes, returning to the substep of executing conversion; and if not, obtaining a detection result of the control function of the control and protection device.
In an alternative embodiment, the conversion submodule includes:
the dividing unit is used for dividing the analog data of any one of the undetected different working conditions into a plurality of paragraph data according to the preset data quantity;
and the conversion unit is used for converting any paragraph data in the plurality of paragraph data which are not retrieved into the polar control signal.
In an alternative embodiment, the detection sub-module comprises:
the first judgment unit is used for judging whether the difference between the polar control signal and a preset analog polar control signal is greater than a preset difference threshold value or not; if so, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; if not, executing the step of the computing unit;
the calculation unit is used for inputting the pole control signal into a preset analytical model and calculating to obtain a voltage value and a current value of each system node in the control and protection device;
the second judging unit is used for respectively judging whether the difference between the voltage value and a preset voltage value and the difference between the current value and a preset current value are both smaller than the preset difference threshold value; if not, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; and if so, determining that the paragraph data corresponding to the polar control signal passes the detection.
In an optional embodiment, the determining sub-module comprises:
a first determination unit configured to determine whether or not there is unretrieved paragraph data; if yes, returning to the step of executing the conversion unit; if not, recording the detection result of the simulation data of any working condition;
a second determination unit for determining whether or not there is analog data that has not been retrieved; if yes, returning to the step of executing the dividing unit; if not, summarizing the detection results of different working conditions, and generating the detection result of the control function of the control and protection device.
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 embodiments provided in the present application, it should be understood that the method and apparatus disclosed in the present invention can be implemented in other ways. 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 readable storage medium and includes several 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 readable 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 (10)
1. A detection method of a control and protection device is characterized by comprising the following steps:
s1, acquiring simulation data of different working conditions in the control and protection device;
s2, obtaining a detection result of the control function of the control and protection device according to the magnitude relation between the difference between the analog data and a preset analog pole control signal and a preset difference threshold value;
s3, inputting a preset fault simulation signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device;
s4, comparing the protection action signal and the alarm signal with the standard parameters of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device;
and S5, summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device.
2. The method for detecting a control and protection device according to claim 1, wherein the step S2 includes:
s21, converting the analog data of any one of the undetected different working conditions into a polar control signal;
s22, detecting the magnitude relation between the difference between the polar control signal and the preset analog polar control signal and the preset difference threshold value to obtain the detection result of the polar control signal corresponding to the analog data;
s23, determining whether the analog data which is not searched exists; if yes, go back to step S21; and if not, obtaining a detection result of the control function of the control and protection device.
3. The method for detecting a control and protection device according to claim 2, wherein the step S21 includes:
s211, dividing the analog data of any one of the undetected different working conditions into a plurality of paragraph data according to the preset data quantity;
s212, converting any paragraph data in the plurality of paragraph data that has not been retrieved into a polarity control signal.
4. The method for detecting a control and protection device according to claim 2, wherein the step S22 includes:
s221, judging whether the difference between the polar control signal and a preset analog polar control signal is greater than a preset difference threshold value; if so, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; if not, go to step S222;
s222, inputting the pole control signal into a preset analytical model, and calculating to obtain a voltage value and a current value of each system node in the control and protection device;
s223, respectively judging whether the difference between the voltage value and a preset voltage value and the difference between the current value and a preset current value are both smaller than a preset difference threshold value; if not, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; and if so, determining that the paragraph data corresponding to the polar control signal passes the detection.
5. The detection method of the control and protection device according to any one of claims 2 to 4, wherein the step S23 includes:
s231, determining whether unrequired paragraph data exist; if yes, go back to step S212; if not, recording the detection result of the simulation data of any working condition;
s232, determining whether the unrequired simulation data exist or not; if yes, returning to execute the step S211; if not, summarizing the detection results of different working conditions, and generating the detection result of the control function of the control and protection device.
6. A detection device of a control and protection device is characterized by comprising:
the acquisition module is used for acquiring simulation data of different working conditions in the control and protection device;
the detection module is used for obtaining a detection result of the control function of the control and protection device according to the magnitude relation between the difference between the analog data and a preset analog pole control signal and a preset difference threshold value;
the fault module is used for inputting a preset fault simulation signal into the control and protection device to obtain a protection action signal and an alarm signal of the control and protection device;
the comparison module is used for comparing the protection action signal and the alarm signal with the standard parameters of the protection logic of the control and protection device to obtain the detection result of the protection function of the control and protection device;
and the summarizing module is used for summarizing the detection result of the control function and the detection result of the protection function to obtain a detection report of the control and protection device.
7. The detecting device of the control and protection device according to claim 6, wherein the detecting module comprises:
the conversion submodule is used for converting the analog data of any one of the undetected different working conditions into a polar control signal;
the detection submodule is used for detecting the magnitude relation between the difference between the polar control signal and the preset analog polar control signal and the preset difference threshold value to obtain the detection result of the polar control signal corresponding to the analog data;
a determination submodule for determining whether there is analog data that has not been retrieved; if yes, returning to the substep of executing conversion; and if not, obtaining a detection result of the control function of the control and protection device.
8. The apparatus for detecting a control and protection device according to claim 7, wherein the converting sub-module comprises:
the dividing unit is used for dividing the analog data of any one of the undetected different working conditions into a plurality of paragraph data according to the preset data quantity;
and the conversion unit is used for converting any paragraph data in the plurality of paragraph data which are not retrieved into the polar control signal.
9. The apparatus for detecting the control and protection device according to claim 7, wherein the detection sub-module comprises:
the first judgment unit is used for judging whether the difference between the polar control signal and a preset analog polar control signal is greater than a preset difference threshold value or not; if so, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; if not, executing the step of the computing unit;
the calculation unit is used for inputting the pole control signal into a preset analytical model and calculating to obtain a voltage value and a current value of each system node in the control and protection device;
the second judging unit is used for respectively judging whether the difference between the voltage value and a preset voltage value and the difference between the current value and a preset current value are both smaller than the preset difference threshold value; if not, recording paragraph data corresponding to the polar control signal, and sending an alarm signal; and if so, determining that the paragraph data corresponding to the polar control signal passes the detection.
10. The apparatus for detecting a control and protection device according to any one of claims 7-9, wherein the determining sub-module comprises:
a first determination unit configured to determine whether or not there is unretrieved paragraph data; if yes, returning to the step of executing the conversion unit; if not, recording the detection result of the simulation data of any working condition;
a second determination unit for determining whether or not there is analog data that has not been retrieved; if yes, returning to the step of executing the dividing unit; if not, summarizing the detection results of different working conditions, and generating the detection result of the control function of the control and protection device.
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