CN114822134B - Power distribution automation system practical training method and practical training platform based on raspberry group - Google Patents
Power distribution automation system practical training method and practical training platform based on raspberry group Download PDFInfo
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Abstract
The invention provides a raspberry-pie-based practical training method and a practical training platform of a power distribution automation system, wherein a typical power distribution line miniature practical training device is constructed according to a typical power distribution line topological structure; then, the state control of the relays and the short-circuit modules by the GPIO ports of the raspberry group is completed through the control signal line, so that the simulation of the power distribution automation system is realized; and finally, according to the opening and closing control command time sequence of each relay input by the practical training personnel, automatically realizing the control of the relay of the whole circuit and giving the score of the practical training personnel. The invention has small occupied area and good economy, and the situation score of the training personnel on the mastering of the action logic skills of the power distribution automation system is judged by utilizing the opening and closing control command time sequence of each power distribution automation terminal input by the training personnel and the monitored actual running state of the power distribution line.
Description
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a power distribution automation system practical training method and a practical training platform based on raspberry pie.
Background
The power distribution automation terminal is mainly used for voltage and current data acquisition and monitoring, power distribution switch state acquisition, switching remote control and the like when the power distribution network normally operates. Distribution automation terminals are an important component of distribution automation systems. With the large-scale popularization and application of the power distribution automation system in the national power grid and the south power grid, the number of the power distribution automation terminals, the matched communication systems and the power distribution main stations presents explosive growth situations. At present, the distribution automation terminals in a plurality of cities reach tens of thousands of levels, and the distribution automation master station and the distribution automation terminals realize bidirectional interaction through a communication system, so that informationized support is provided for distribution network scheduling, operation and maintenance.
In order to improve the operation familiarity of staff to the power distribution automation system, the knowledge achievement degree of staff to the power distribution automation system in the aspects of fault location, fault isolation and non-fault area power restoration is judged, and a practical training platform of the power distribution automation system is necessary to be established.
The existing practical training platform of the power distribution automation system is mostly built based on a real power distribution automation terminal and a power distribution main station, so that the power distribution automation system has wide occupied area and large economic investment, and is not convenient to popularize and apply in professional technical colleges.
Disclosure of Invention
The invention aims to solve the technical problems that: the utility model provides a real method and real platform of instructing of distribution automation system based on raspberry group for realize the analog function to distribution automation system.
The technical scheme adopted by the invention for solving the technical problems is as follows: a power distribution automation system training method based on raspberry group comprises the following steps:
s0: setting up a power distribution automation system training platform based on a raspberry group according to a typical distribution line topological structure, wherein the power distribution automation system training platform comprises a raspberry group and a distribution line miniature training device; the miniature training device of the distribution line is a low-voltage direct current circuit comprising a plurality of distribution sections, and comprises a battery power supply module, a resistance load, a relay, a short circuit module and a Hall sensor; the coil end of the relay and the controlled end of the short circuit module are respectively connected with GPIO ports of the raspberry group; the contact end of the relay is connected in series between the output end of the battery power supply module and the resistance load; the short circuit module is connected in parallel with two ends of the resistance load; the signal output end of the Hall sensor is connected with a GPIO port of the raspberry group;
s1: the raspberry pie outputs a control command through the GPIO port to control the relay state of the miniature training device of the distribution line;
s2: the practical training personnel respectively inputs the opening and closing control command time sequence of each relay;
s3: the raspberry pie collects the voltage and current states of the miniature practical training device of the distribution line through the Hall sensor, judges the situation score of the practical training personnel on the mastering of the action logic skills of the distribution automation system according to the received voltage and current states, and displays the impact current in the circuit and the power failure time of the resistance load.
According to the above scheme, in the step S1, the specific steps are as follows: the fault position is set in the ith section of the miniature training device of the distribution line through the raspberry group, and the short circuit module connected to the ith section is controlled to generate faults.
Further, in the step S2, the specific steps are as follows: set S m,i (t a ,t b ) For a state flag set by a training person for the mth relay when the ith section fails, j represents a specific state set, j=1 represents that the relay is in a closed state, and j=0 represents an open state; the training personnel respectively inputs N pairs when the short circuit module of the ith section fails r The switching control command time sequence of each relay controls the mth relay to be longer than time t a And is less than time t b Internal action, make the state mark S m,i (t a ,t b )＝j。
Further, in the step S3, the specific steps are as follows:
let i be k Current of kth segment, i, received for raspberry set The table is a preset current threshold, n (i k ＞i set ) For the time when the current of the kth segment exceeds the current threshold, d set The trip time of the circuit breaker after detecting the fault current;
let N be l Load for total number of distribution sections of miniature training device of distribution line m For power flow through the mth resistive load, N load For a review of the resistive load of a miniature training device for distribution lines,the bar indicates that the mth resistor load is not connected to the ith section;
the raspberry pie judges the Score of the mastering condition of the training personnel on the action logic skills of the power distribution automation system according to the received voltage and current states:
if the time that the current of the kth section exceeds the current threshold is greater than the tripping time of the circuit breaker after the fault current is detected, the mastering condition Score of the practical training personnel is 0;
if the time that the current of the kth section exceeds the current threshold is greater than the tripping time of the circuit breaker after the fault current is detected, and the power of the resistance load which flows through the mth section and is not connected with the ith section is 0, the mastering condition Score of the training personnel is 80;
if the time that the current of the kth section exceeds the current threshold is greater than the tripping time of the circuit breaker after the fault current is detected and the power of the resistive load except the ith section is not 0, the mastering condition Score of the practical training personnel is 100.
A power distribution automation system training platform based on raspberry pie comprises a raspberry pie and a power distribution line miniature training device; the miniature training device of the distribution line is a low-voltage direct current circuit and comprises a battery power supply module, a resistance load, a relay, a short circuit module and a Hall sensor; the coil end of the relay and the controlled end of the short circuit module are respectively connected with GPIO ports of the raspberry group and are used for receiving control commands sent by the raspberry group; the contact end of the relay is connected in series between the output end of the battery power supply module and the resistance load; the short circuit module is connected in parallel with two ends of the resistance load; the raspberry pie is used for controlling the relay and the short circuit module through the GPIO library and simulating the function of the power distribution automation master station to realize the opening and closing of the circuit; the signal output end of the Hall sensor is connected with the GPIO port of the raspberry group and used for uploading the collected voltage and current.
Further, the miniature training device of the distribution line comprises 6 distribution sections; the miniature practical training device of the distribution line comprises 5 resistance loads and 7 relays.
A computer storage medium having stored therein a computer program executable by a computer processor for performing a method for training a power distribution automation system based on a raspberry group.
The beneficial effects of the invention are as follows:
1. according to the training method and training platform of the power distribution automation system based on the raspberry group, a typical power distribution line miniature training device is built on the raspberry group according to a typical power distribution line topological structure, and the simulation function of the power distribution automation system is achieved by controlling the states of a relay and a short circuit module of the power distribution automation system.
2. According to the invention, the control of the relays of the whole circuit is realized according to the time sequence of the opening and closing control command input by the practical training personnel, and the situation of the practical training personnel on the mastering of the action logic skills of the power distribution automation system is judged through the monitored actual running state of the power distribution line, so that the scoring function of the practical training personnel is realized.
3. The invention has small occupied area, good economy and low cost, and is suitable for popularization in the field of teaching experiments.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a flow chart of the construction of an embodiment of the present invention.
Fig. 3 is a component numbering plan view of an embodiment of the present invention.
Fig. 4 is a timing chart of a relay opening and closing control command input by a training person according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Referring to fig. 1, the embodiment of the invention utilizes a general purpose input/output port (GPIO port) of a raspberry group to access a relay and a current-voltage sensor to realize the switching operation of the raspberry group on the relay and the corresponding current-voltage acquisition; placing the relay in the same circuit as a typical distribution line topology; finally, the action logic setting and control of relays at all positions of the circuit and the collection of current and voltage are realized through the raspberry group, and the method can be used for simulating the running process of the whole power distribution automation.
Referring to fig. 2, the power distribution automation system training method based on raspberry group of the invention comprises the following steps:
s1: and constructing a miniature practical training device of the typical distribution line according to the topology structure of the typical distribution line. Firstly, a printed circuit board (Printed Circuit Board, PCB) circuit with 5V voltage grade is established, the circuit topology structure is consistent with the topology structure of a typical distribution line, and the access positions of a relay module, a resistance load, a lithium battery power supply module and a Hall sensor are reserved; and then the relay module, the resistance load, the lithium battery power supply module, the short circuit module and the Hall sensor are connected into the PCB circuit.
S2: the Hall sensor, the relay and the short circuit module are connected into the GPIO port of the raspberry group through the control signal line, so that the collection of voltage and current and the control of the relay are realized.
S3: the states of each relay and the short circuit module are controlled through the GPIO ports of the raspberry group, and the simulation of the power distribution automation system is realized. Unified control of each relay and the short circuit module of the raspberry party is realized through a GPIO library, and the function of the distribution automation master station is simulated; each relay and the matched Hall sensor simulate a power distribution automation terminal and a power distribution switch, so that voltage and current collection and circuit switching are realized.
S4: on a simulation platform of the power distribution automation system realized by the raspberry pie, a fault position is given, a corresponding short circuit module is controlled to generate faults, the control of the relay of the whole circuit is automatically realized according to the opening and closing control command time sequence of each relay input by a practical training person, the score of the practical training person is given, and the impact current and the resistance load power failure time in the circuit are displayed, so that the operation familiarity of the practical training person to the power distribution automation system operation is improved.
S41: the given fault position is located in the section i of the miniature training device of the typical distribution line, namely the short circuit module connected to the section i is controlled to fail, and the training personnel is required to input all N r The respective opening and closing control command time sequence of the relays is specifically given by the state sign S of the mth relay when the relay fails in the section i m，i The format is S m,i (t a ,t b ) =j, where S m,i (t a ,t b ) For the mth relay to be at greater than time t when the fault occurs in zone i a And less than time t b The state mark set by the training personnel in the relay is j, j=1 indicates that the relay is in a closed state, and j=0 indicates that the relay is in an open state.
S42: according to all N set by practical training personnel r And the raspberry group outputs a control command through the GPIO port at the opening and closing control command time sequence of the relays, truly controls the relay state of the typical distribution line miniature training device, and collects the voltage and current state in the circuit of the typical distribution line miniature training device.
S43: according to the monitored voltage and current state in the whole process, judging the Score of the mastering condition of the action logic skill of the power distribution automation system by the practical training personnel, wherein the Score is specifically as follows:
in the above, i set Representing the implementation of a current threshold set by a training teacher in advance; i.e k Representing the current of the kth distribution line section of the typical distribution line miniature training device obtained by raspberry group monitoring; n (i) k ＞i set )＞d set The time for the current representing the kth distribution line segment to exceed the current threshold exceeds d set ，d set The value is generally determined by the tripping time of the circuit breaker after detecting the fault current, and is generally taken to be 1s; n (N) l Representing the total number of distribution line sections of a typical distribution line miniature training device; load m Represents the power flowing through the mth resistive load, N load A resistive load summary representative of a typical distribution line mini-training device;representing that the mth resistive load is not connected into the set fault section i.
The power distribution automation system training platform based on the raspberry group is realized through the four steps.
The effectiveness of a practical training platform of a power distribution automation system based on raspberry group will be described below with reference to the power distribution circuit of the miniature practical training device of the power distribution circuit shown in fig. 1. There are 5 resistive loads, 6 distribution sections, 7 relays, and the specific numbers are shown in fig. 3.
The fault section is set as a section 3, and the opening and closing control command time sequence of the relays 1, 2, 3, 4, 5, 6 and 7 set by a certain training person is shown in fig. 4.
In the opening and closing control command given in fig. 4, after detecting a fault (the fault at 0s, the relay 3 being closed at 16 s), the relay 1 is opened and closed by 1s delay; relays 1, 2, 3 follow the action logic of the in-situ distribution automation terminal (tripping can be performed when voltage loss is detected, closing is performed when the voltage delay is detected for 5s, and the relay is closed if the interval time from closing to tripping is less than 7 s). After the raspberry pie sends out the switching control command time sequence of each relay in fig. 4, the monitored current and load finally show that the duration of the current exceeding the set threshold value is not more than 1s, and other loads restore normal power supply except that the resistance load 3 loses power (the resistance load 3 is connected with the fault section 3). The score of the training personnel giving the opening and closing control command shown in fig. 4 is 100 minutes, and the result shows that the training personnel has the skills of fault location, fault isolation and non-fault area power supply recovery of the power distribution automation system.
The above embodiments are merely for illustrating the design concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, the scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes or modifications according to the principles and design ideas of the present invention are within the scope of the present invention.
Claims (2)
1. The utility model provides a real standard method of distribution automation system based on raspberry group which characterized in that: the method comprises the following steps:
s0: setting up a power distribution automation system training platform based on a raspberry group according to a typical distribution line topological structure, wherein the power distribution automation system training platform comprises a raspberry group and a distribution line miniature training device; the miniature training device of the distribution line is a low-voltage direct current circuit comprising a plurality of distribution sections, and comprises a battery power supply module, a resistance load, a relay, a short circuit module and a Hall sensor; the coil end of the relay and the controlled end of the short circuit module are respectively connected with GPIO ports of the raspberry group; the contact end of the relay is connected in series between the output end of the battery power supply module and the resistance load; the short circuit module is connected in parallel with two ends of the resistance load; the signal output end of the Hall sensor is connected with a GPIO port of the raspberry group;
s1: the raspberry pie outputs a control command through the GPIO port to control the relay state of the miniature training device of the distribution line; the method comprises the following specific steps: setting a fault position in an ith section of the miniature training device of the distribution line through a raspberry group, and controlling a short circuit module connected to the ith section to generate a fault;
s2: the practical training personnel respectively inputs the opening and closing control command time sequence of each relay; the method comprises the following specific steps: set S m,i (t a ,t b ) For a state flag set by a training person for the mth relay when the ith section fails, j represents a specific state set, j=1 represents that the relay is in a closed state, and j=0 represents an open state; the training personnel respectively inputs N pairs when the short circuit module of the ith section fails r The switching control command time sequence of each relay controls the mth relay to be longer than time t a And is less than time t b Internal action, make the state mark S m,i (t a ,t b )＝j；
S3: the raspberry pie acquires the voltage and current state of the miniature practical training device of the distribution line through the Hall sensor, evaluates the mastering condition score of practical training personnel on the action logic skill of the distribution automation system according to the received voltage and current state, and displays the impact current in the circuit and the power failure time of the resistance load; the method comprises the following specific steps:
let i be k Current of kth segment, i, received for raspberry set The table is a preset current threshold, n (i k ＞i set ) For the time when the current of the kth segment exceeds the current threshold, d set The trip time of the circuit breaker after detecting the fault current; let N be l Load for total number of distribution sections of miniature training device of distribution line m For power flow through the mth resistive load, N load For a review of the resistive load of a miniature training device for distribution lines,the bar indicates that the mth resistor load is not connected to the ith section;
the raspberry pie judges the Score of the mastering condition of the training personnel on the action logic skills of the power distribution automation system according to the received voltage and current states:
if the time that the current of the kth section exceeds the current threshold is greater than the tripping time of the circuit breaker after the fault current is detected, the mastering condition Score of the practical training personnel is 0;
if the time that the current of the kth section exceeds the current threshold is greater than the tripping time of the circuit breaker after the fault current is detected, and the power of the resistance load which flows through the mth section and is not connected with the ith section is 0, the mastering condition Score of the training personnel is 80;
if the time that the current of the kth section exceeds the current threshold is greater than the tripping time of the circuit breaker after the fault current is detected and the power of the resistive load except the ith section is not 0, the mastering condition Score of the practical training personnel is 100.
2. A computer storage medium, characterized by: a computer program executable by a computer processor to perform a raspberry-based power distribution automation system training method as claimed in claim 1.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130031583A (en) * | 2011-09-21 | 2013-03-29 | 한국전력공사 | System and method for detecting the high impedence ground fault using distribution automation system |
| CN105894887A (en) * | 2016-06-30 | 2016-08-24 | 国网福建省电力有限公司 | Power distribution grid simulation training system and method |
| CN106781929A (en) * | 2017-02-28 | 2017-05-31 | 国网福建省电力有限公司 | A kind of power distribution network relay protection training set and method |
| CN108536056A (en) * | 2018-03-22 | 2018-09-14 | 江苏麦酷博信息科技有限公司 | A kind of intelligent industrial internet of things sensors data collecting system and its working method |
| CN109459961A (en) * | 2018-12-27 | 2019-03-12 | 广东机电职业技术学院 | A kind of universal electric autocontrol system and method |
| CN209028869U (en) * | 2018-05-25 | 2019-06-25 | 吉林大学 | A kind of three-step charging experimental provision |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611086B (en) * | 2012-03-27 | 2015-01-07 | 许继电气股份有限公司 | Centralized protection system and method for region distribution network |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130031583A (en) * | 2011-09-21 | 2013-03-29 | 한국전력공사 | System and method for detecting the high impedence ground fault using distribution automation system |
| CN105894887A (en) * | 2016-06-30 | 2016-08-24 | 国网福建省电力有限公司 | Power distribution grid simulation training system and method |
| CN106781929A (en) * | 2017-02-28 | 2017-05-31 | 国网福建省电力有限公司 | A kind of power distribution network relay protection training set and method |
| CN108536056A (en) * | 2018-03-22 | 2018-09-14 | 江苏麦酷博信息科技有限公司 | A kind of intelligent industrial internet of things sensors data collecting system and its working method |
| CN209028869U (en) * | 2018-05-25 | 2019-06-25 | 吉林大学 | A kind of three-step charging experimental provision |
| CN109459961A (en) * | 2018-12-27 | 2019-03-12 | 广东机电职业技术学院 | A kind of universal electric autocontrol system and method |
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