CN114264903B - Automatic closed loop test system of electric power telecontrol terminal device - Google Patents
Automatic closed loop test system of electric power telecontrol terminal device Download PDFInfo
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Abstract
The invention discloses an automatic closed-loop testing system of an electric remote terminal device, which relates to the technical field of electric remote terminal device testing, and can effectively save manpower resource consumption, ensure the operation safety of the electric remote terminal device and improve the testing efficiency while realizing an automatic closed-loop testing function by processing a testing result of an automatic testing module through a data feedback module, matching and comparing the data by a feedback comparison module to obtain the difference between the data and pre-stored data, comparing the comparison result with the pre-stored data and returning the comparison result to a main control processing module, and regulating the testing period duration and period interval of the automatic testing module by the main control module according to the comparison result.
Description
Technical Field
The invention relates to the technical field of testing of electric remote terminal devices, in particular to an automatic closed-loop testing system of an electric remote terminal device.
Background
The remote terminal is a terminal device of the power system, which is arranged at a station end and used for collecting and sending real-time operation parameters of a power plant or a transformer substation, receiving and executing control and adjustment commands of a dispatching center. In terms of functions, apart from "four-way", event sequence recording has become one of the basic functions of a telemechanical terminal. And develop to function diversification and intellectualization. The main functions of the remote terminal are (1) collecting and sending state quantity (abbreviated as 'remote signaling') to a remote place; (2) collecting and transmitting digital quantity, pulse quantity and analog quantity (called 'telemetry' for short) to a remote place; (3) a remote scheduling control command (simply referred to as "remote control") is received and executed. (4) A remote schedule adjustment command (simply referred to as "remote schedule") is received and executed. These 4 main functions are commonly referred to as "tetratele". Besides, the remote terminal can also have the following optional functions according to the operation requirement, such as data total addition, information editing and forwarding, out-of-limit alarming, communication with two or more dispatching centers, event sequence recording, receiving and executing timing commands, receiving and executing signal resetting commands, automatic switching of main and standby channels and the like; when the existing power remote terminal device is tested, the voltage on the secondary equipment possibly changes along with the control command during the operation of the four-remote function, so that the period duration and the period interval of the detection need to be adjusted during the automatic detection, the level of on-site operation and maintenance personnel is uneven, the on-site operation and maintenance personnel are affected by the operation and maintenance habit of the conventional comprehensive self-station, and the phenomena of missing change and error change exist during the period duration and the period interval change, which is not beneficial to the stable operation of the power remote terminal device and increases the operation and maintenance burden.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an automatic closed loop testing system of an electric remote terminal device, which comprises the following contents:
and an automatic test module: the automatic test module is used for performing automatic test actions on the electric remote terminal device and generating test data;
and a data feedback module: the feedback comparison module is used for receiving the test data, preprocessing the test data and transmitting the test data to the feedback comparison module;
and the main control processing module: the system is used for issuing control commands to all modules in the system and receiving test data;
and a feedback comparison module: the test data is used for comparing the test data transmitted to the main control processing module with pre-stored data;
and a data storage module: the system is used for inputting and storing pre-stored data;
the detection period control module: sending a periodic test starting signal to an automatic test module;
the automatic test module, the feedback comparison module, the data storage module and the detection period control module are all connected with the main control processing module, and the data feedback module is connected with the automatic test module and the feedback comparison module.
Preferably, the device further comprises a period adjusting module, wherein the period adjusting module is connected with the main control processing module and is used for adjusting the detection duration and the detection frequency of the automatic test module.
Preferably, the period adjustment module adjusts the detection duration and the detection frequency of the automatic test module by establishing a period control model, where the period control model is as follows:
wherein,,
respectively representing an electric power telecontrol terminal device and a bus assembly; v (V) i 、θ i Respectively representing the voltage and phase angle of bus i, P g 、Q g The active detection duration and the detection frequency of the g-th power remote terminal device are respectively represented, x is a control variable, and y is a state variable.
Preferably, the data feedback module further comprises a signal importing module, a preprocessing module and a signal matching module, wherein the automatic test module, the signal importing module, the preprocessing module, the signal matching module and the feedback comparison module are sequentially connected, the signal importing module is used for importing automatic test data into the preprocessing module for processing, and the signal matching module is used for matching the preprocessed data with comparison items in the feedback comparison module.
Preferably, the automatic test module comprises a power precision test module, a remote signaling fault test module and a communication fault test module, wherein the power precision test module, the remote signaling fault test module and the communication fault test module are all connected with the main control processing module.
Preferably, the system further comprises a log module and a timing module, wherein the log module and the timing module are both connected with the main control processing module.
The automatic closed-loop testing method of the electric remote terminal device comprises the following steps:
s1: the main control processing module issues a test instruction to the automatic test module, and the automatic test module performs power accuracy, remote signaling fault and communication fault tests to generate test data;
s2: the data feedback module is used for preprocessing the test data, transmitting the test data to the feedback comparison module for matching comparison, and obtaining a comparison result;
s3: the feedback comparison module feeds the comparison result back to the main control processing module, and the main control processing module can adjust the test action of the automatic test module according to the comparison result.
Preferably, in step S2, the data feedback module performs preprocessing on the quaternion registration algorithm test data.
The beneficial effects of the invention are as follows: based on the data communication characteristics of the intelligent substation, the intelligent secondary equipment and the power dispatching data network, according to the operation requirement of the power remote terminal device, after the test result of the automatic test module is processed through the data feedback module, the data are matched and compared by the feedback comparison module, the difference between the data and the pre-stored data is obtained, the comparison result and the pre-stored data are compared and then returned to the main control processing module, and the main control module adjusts the test period duration and the period interval of the automatic test module according to the comparison result, so that the human resource consumption can be effectively saved while the automatic closed loop test function is realized, the operation safety of the power remote terminal device is ensured, and the test efficiency is 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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an automated closed loop test system for an electric remote terminal device;
fig. 2 is a flow chart of an automated closed loop test method for an electric remote terminal device.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
As shown in fig. 1, the automatic closed loop test system of the electric remote terminal device comprises the following contents:
and an automatic test module: the automatic test module is used for performing automatic test actions on the electric remote terminal device and generating test data;
and a data feedback module: the feedback comparison module is used for receiving the test data, preprocessing the test data and transmitting the test data to the feedback comparison module;
and the main control processing module: the system is used for issuing control commands to all modules in the system and receiving test data;
and a feedback comparison module: the test data is used for comparing the test data transmitted to the main control processing module with pre-stored data;
and a data storage module: the system is used for inputting and storing pre-stored data;
the detection period control module: sending a periodic test starting signal to an automatic test module;
the automatic test module, the feedback comparison module, the data storage module and the detection period control module are all connected with the main control processing module, and the data feedback module is connected with the automatic test module and the feedback comparison module.
Specifically, the device further comprises a period adjusting module, wherein the period adjusting module is connected with the main control processing module and is used for adjusting the detection duration and the detection frequency of the automatic test module.
After the automatic test module detects the operation data of the power remote terminal device, the data are transmitted into the data feedback module for preprocessing, the data are transmitted into the feedback comparison module for matching, after the difference between the data and the pre-stored data is obtained, the comparison result is compared with the pre-stored data and then returned to the main control processing module, the main control module controls the period adjustment module to adjust the detection duration and the detection frequency of the automatic test module according to the comparison result, and the detection period control module sends a period test starting signal to the automatic test module according to the adjustment data to adjust the test period duration and the period interval of the automatic test module.
Specifically, the period adjustment module adjusts the detection duration and the detection frequency of the automatic test module by establishing a period control model, wherein the period control model is as follows:
wherein,,
respectively representing an electric power telecontrol terminal device and a bus assembly; v (V) i 、θ i Respectively representing the voltage and phase angle of bus i, P g 、Q g The active detection duration and the detection frequency of the g-th power remote terminal device are respectively represented, x is a control variable, and y is a state variable.
Specifically, the data feedback module further comprises a signal importing module, a preprocessing module and a signal matching module, wherein the automatic testing module, the signal importing module, the preprocessing module, the signal matching module and the feedback comparison module are sequentially connected, the signal importing module is used for importing automatic testing data into the preprocessing module for processing, and the signal matching module is used for matching the preprocessed data with comparison items in the feedback comparison module.
When the preprocessing module processes the detection data, a Harris corner extraction algorithm is adopted to extract data characteristics, and then an ICP algorithm is adopted to carry out noise extraction on the data characteristics so as to obtain the detection data after impurity removal and filtering.
Specifically, the automatic test module comprises a power precision test module, a remote signaling fault test module and a communication fault test module, wherein the power precision test module, the remote signaling fault test module and the communication fault test module are all connected with the main control processing module.
The power accuracy testing module is used for detecting voltage information and current information, and the voltage information comprises: voltage amplitude, voltage angle, voltage frequency, and voltage type, current information includes: current amplitude, current angle, current frequency, and current type; the remote signaling fault test module is used for detecting the jitter state of the auxiliary point of the circuit breaker, the resistance of a remote signaling loop, the attenuation frequency of a signal, the electromagnetic interference degree and the jitter removal time.
Specifically, the system also comprises a log module and a timing module, wherein the log module and the timing module are both connected with the main control processing module.
As shown in fig. 2, the automatic closed loop test method of the electric remote terminal device comprises the following steps:
s1: the main control processing module issues a test instruction to the automatic test module, and the automatic test module performs power accuracy, remote signaling fault and communication fault tests to generate test data;
s2: the data feedback module is used for preprocessing the test data, transmitting the test data to the feedback comparison module for matching comparison, and obtaining a comparison result;
s3: the feedback comparison module feeds the comparison result back to the main control processing module, and the main control processing module can adjust the test action of the automatic test module according to the comparison result.
Specifically, in the step S2, the data feedback module performs preprocessing on the quaternion registration algorithm test data.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. The automatic closed-loop testing system of the electric remote terminal device is characterized by comprising the following components:
and an automatic test module: the automatic test module is used for performing automatic test actions on the electric remote terminal device and generating test data;
and a data feedback module: the feedback comparison module is used for receiving the test data, preprocessing the test data and transmitting the test data to the feedback comparison module;
and the main control processing module: the system is used for issuing control commands to all modules in the system and receiving test data;
and a feedback comparison module: the test data is used for comparing the test data transmitted to the main control processing module with pre-stored data;
and a data storage module: the system is used for inputting and storing pre-stored data;
the detection period control module: sending a periodic test starting signal to an automatic test module;
the automatic test module, the feedback comparison module, the data storage module and the detection period control module are all connected with the main control processing module, and the data feedback module is connected with the automatic test module and the feedback comparison module; the device also comprises a period adjusting module, wherein the period adjusting module is connected with the main control processing module and is used for adjusting the detection duration and the detection frequency of the automatic test module;
the period adjusting module adjusts the detection duration and the detection frequency of the automatic testing module by establishing a period control model, wherein the period control model is as follows:
wherein,,
respectively representing an electric power telecontrol terminal device and a bus assembly; v (V) i 、θ i Respectively representing the voltage and phase angle of bus i, P g 、Q g The active detection duration and the detection frequency of the g-th power remote terminal device are respectively represented, x is a control variable, and y is a state variable.
2. The automatic closed loop test system of an electric remote terminal device according to claim 1, wherein the data feedback module further comprises a signal importing module, a preprocessing module and a signal matching module, the automatic test module, the signal importing module, the preprocessing module, the signal matching module and the feedback comparison module are sequentially connected, the signal importing module is used for importing automatic test data into the preprocessing module for processing, and the signal matching module is used for matching preprocessed data with comparison items in the feedback comparison module.
3. The automated closed loop testing system of the power telemechanical terminal device of claim 1, wherein the automated testing module comprises a power precision testing module, a remote signaling fault testing module and a communication fault testing module, and the power precision testing module, the remote signaling fault testing module and the communication fault testing module are all connected with the main control processing module.
4. The automated closed loop test system of the power telecontrol terminal device according to claim 1, further comprising a log module and a timing module, wherein the log module and the timing module are both connected with the main control processing module.
5. An automatic closed-loop testing method for an electric remote terminal device is characterized by comprising the automatic closed-loop testing system for the electric remote terminal device according to claims 1-4, and comprises the following steps:
s1: the main control processing module issues a test instruction to the automatic test module, and the automatic test module performs power accuracy, remote signaling fault and communication fault tests to generate test data;
s2: the data feedback module is used for preprocessing the test data, transmitting the test data to the feedback comparison module for matching comparison, and obtaining a comparison result;
s3: the feedback comparison module feeds the comparison result back to the main control processing module, and the main control processing module can adjust the test action of the automatic test module according to the comparison result.
6. The automated closed-loop testing method of an electric remote terminal device according to claim 5, wherein in step S2, the data feedback module pre-processes the quaternion registration algorithm test data.
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