CN103345872A - Residual current action protecting system practical training device - Google Patents
Residual current action protecting system practical training device Download PDFInfo
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- CN103345872A CN103345872A CN2013102974831A CN201310297483A CN103345872A CN 103345872 A CN103345872 A CN 103345872A CN 2013102974831 A CN2013102974831 A CN 2013102974831A CN 201310297483 A CN201310297483 A CN 201310297483A CN 103345872 A CN103345872 A CN 103345872A
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Abstract
The invention relates to a residual current action protecting system practical training device which comprises a power supply analog module. The power supply analog module is connected with a power supply analog line, the power supply analog line is connected with a principal line analog line, the principal line analog line is provided with a branch line analog line in a branching mode, a residual current action protecting module, a first fault analog module and a breaker are arranged on the power supply analog line, the breaker is arranged on the power supply analog line between the power supply analog module and the residual current action protecting module, and a second fault analog module is arranged on the branch line analog line and is externally connected with a control module. The residual current action protecting system practical training device can simulate a site work condition, is visual and strong in operability, solves the problems that an existing practical training device simply depending on theoretical calculation is large in deviation, and on-site practical training influences low-voltage power distribution operation and is not safe, and has the advantages of being simple in structure, convenient to implement, convenient to operate, visual in operation, and capable of improving the practical training effect and enhancing the professional skills of trainees.
Description
Technical field
The invention belongs to electric training technique field, be specifically related to a kind of real training instrument, relate in particular to a kind of aftercurrent action protecting system actual training device that the student is carried out electric vocational training for units such as university, vocational skills school, training centers.
Background technology
At present, the aftercurrent action protecting system is used in low voltage electric network, rural power grids widely, has played the raising power supplying efficiency, improves the effect of power supply environment.How more rational and effective is used the aftercurrent action protecting system, carries out the configuration of adjusting of aftercurrent action protecting system, is one of technical ability of needing to be grasped of low-voltage circuit operation maintenance personnel.For a long time, in units such as university, vocational skills school, training centers the student is carried out simple theoretical calculating of dependence of low-voltage distribution operation training, can result calculated realize solving on-the-spot residual current and break down and have bigger deviation, and more on-the-spot operation troubles still mainly relies on on-the-spot concrete measurement to analyze solution on the spot.For new student, allow them carry out the stability that Measurement and analysis has a strong impact on on-the-spot circuit operation on the spot to on-the-spot, even can cause the great electrification of using.Therefore, develop a kind of can simulated field working condition, satisfy the real training needs, simple in structure, be convenient to implement, easy to operate directly perceived, and then can improve the real training effect, the aftercurrent action protecting system actual training device of professional skill that strengthens the student is very necessary.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art; and provide a kind of can simulated field working condition; satisfy the real training needs; simple in structure, be convenient to implement, easy to operate directly perceived, and then can improve the real training effect, strengthen the aftercurrent action protecting system actual training device of student's professional skill.
The object of the present invention is achieved like this:
A kind of aftercurrent action protecting system actual training device; it comprises the power supply analog module; described power supply analog module is connected with the power supply analog line; the power supply analog line is connected with the main line analog line; the main line analog line has been told the branch line analog line; described power supply analog line is provided with the aftercurrent action protecting module; fault simulation module one and isolating switch; wherein isolating switch is arranged on the power supply analog line of powering between analog module and the aftercurrent action protecting module; described branch line analog line is provided with fault simulation module two, and described fault simulation module two is circumscribed with control module.
Described aftercurrent action protecting module comprises RCD, contactor summation current transformer; wherein current transformer and contactor are arranged on the power supply analog line; contactor is connected with RCD and it is provided with switch one between the two, and current transformer is connected with RCD and it is provided with fuse and switch one between the two.
Described fault simulation module one comprises impedance unit one, and impedance unit one is connected with the power supply analog line and is provided with switch two between the two.
Be provided with residual current circuit breaker between described fault simulation module two and the branch line analog line, described fault simulation module two comprises impedance unit two, the micro-control unit that is connected with impedance unit two and the communication unit that is connected with micro-control unit, one end of described impedance unit two is connected with the branch line analog line and is provided with switch three between the two, the other end of impedance unit two is connected with residual current circuit breaker and is provided with switch four between the two, and described communication unit is connected with control module.
Also be provided with voltage display unit and current displaing unit on the described power supply analog line.
Described fault simulation module one is arranged on the power supply analog line between aftercurrent action protecting module and the main line analog line.
Described control module adopts computing machine.
The using method of described a kind of aftercurrent action protecting system actual training device: at first by the teacher in control module input fault parameter, control module passes to fault simulation module two with information, two work of fault simulation module make the branch line analog line at its place be in malfunction; Carry out fault detection analysis by the student by operational observations phenomenon of the failure and instrumentation then, draw abort situation, and get rid of fault; At last, after fixing a breakdown again energizing test observe fault and whether get rid of, get rid of until fault, then real training finishes.
The present invention has following positive effect: the present invention includes the power supply analog module, the power supply analog module is connected with the power supply analog line, the power supply analog line is connected with the main line analog line, the main line analog line has been told the branch line analog line, the power supply analog line is provided with aftercurrent action protecting module, fault simulation module one and isolating switch, the branch line analog line is provided with fault simulation module two, fault simulation module two is circumscribed with control module, above-mentioned parts are formed the low voltage electric network of simulation, and are simple in structure, be convenient to implement; The student just can carry out the real training of aftercurrent action protecting by the present invention like this; more directly perceived and operability is stronger; there is the bigger problem of deviation in simple theoretical calculating of dependence of real training that has overcome existing aftercurrent action protecting when the on-the-spot residual current of solution breaks down; the low-voltage distribution that influences that has solved on-the-spot real training existence moves; there is unsafe factor; be subjected to many drawbacks such as distance limit; has energy simulated field working condition; satisfy the real training needs; simple in structure; be convenient to implement; easy to operate directly perceived, and then can improve the real training effect; strengthen the advantage of student's professional skill.
Description of drawings
Fig. 1 is a kind of aftercurrent action protecting of the present invention system actual training device structural representation.
Among the figure: 1; power supply analog module 2; isolating switch 3; power supply analog line 4; voltage display unit 5; current displaing unit 6; aftercurrent action protecting module 6-1; RCD 6-2; switch one 6-3; contactor 6-4; fuse 6-5; current transformer 7; fault simulation module one 7-1; switch two 7-2; impedance unit 1; main line analog line 9; branch line analog line 10; fault simulation module two 10-1; switch three 10-2; impedance unit two 10-3; switch 4 11; control module 12; residual current circuit breaker.
Embodiment
The present invention is described further below in conjunction with accompanying drawing:
Embodiment 1
As shown in Figure 1; a kind of aftercurrent action protecting system actual training device; it comprises power supply analog module 1; described power supply analog module 1 is connected with power supply analog line 3; power supply analog line 3 is connected with main line analog line 8; main line analog line 8 has been told branch line analog line 9; described power supply analog line 3 is provided with aftercurrent action protecting module 6; fault simulation module 1 and isolating switch 2; wherein isolating switch 2 is arranged on the power supply analog line 3 of powering between analog module 1 and the aftercurrent action protecting module 6; described branch line analog line 9 is provided with fault simulation module 2 10, and described fault simulation module 2 10 is circumscribed with control module 11.
The using method of described a kind of aftercurrent action protecting system actual training device: at first by the teacher in control module input fault parameter, control module passes to fault simulation module two with information, two work of fault simulation module make the branch line analog line at its place be in malfunction; Carry out fault detection analysis by the student by operational observations phenomenon of the failure and instrumentation then, draw abort situation, and get rid of fault; At last, after fixing a breakdown again energizing test observe fault and whether get rid of, get rid of until fault, then real training finishes.
The present invention includes the power supply analog module, the power supply analog module is connected with the power supply analog line, the power supply analog line is connected with the main line analog line, the main line analog line has been told the branch line analog line, the power supply analog line is provided with aftercurrent action protecting module, fault simulation module one and isolating switch, and the branch line analog line is provided with fault simulation module two, and fault simulation module two is circumscribed with control module, above-mentioned parts are formed the low voltage electric network of simulation, and are simple in structure, be convenient to implement; The student just can carry out the real training of aftercurrent action protecting by the present invention like this; more directly perceived and operability is stronger; there is the bigger problem of deviation in simple theoretical calculating of dependence of real training that has overcome existing aftercurrent action protecting when the on-the-spot residual current of solution breaks down; the low-voltage distribution that influences that has solved on-the-spot real training existence moves; there is unsafe factor; be subjected to many drawbacks such as distance limit; has energy simulated field working condition; satisfy the real training needs; simple in structure; be convenient to implement; easy to operate directly perceived, and then can improve the real training effect; strengthen the advantage of student's professional skill.
Embodiment 2
As shown in Figure 1; a kind of aftercurrent action protecting system actual training device; it comprises power supply analog module 1; described power supply analog module 1 is connected with power supply analog line 3; power supply analog line 3 is connected with main line analog line 8; main line analog line 8 has been told branch line analog line 9; described power supply analog line 3 is provided with aftercurrent action protecting module 6; fault simulation module 1 and isolating switch 2; wherein isolating switch 2 is arranged on the power supply analog line 3 of powering between analog module 1 and the aftercurrent action protecting module 6; described branch line analog line 9 is provided with fault simulation module 2 10, and described fault simulation module 2 10 is circumscribed with control module 11.
Described aftercurrent action protecting module 6 comprises RCD 6-1, contactor 6-3 summation current transformer 6-5; wherein current transformer 6-5 and contactor 6-3 are arranged on the power supply analog line 3; contactor 6-3 is connected with RCD 6-1 and it is provided with switch one 6-2 between the two, and current transformer 9-5 is connected with RCD 6-1 and it is provided with fuse 6-4 and switch one 6-2 between the two.
Described fault simulation module 1 comprises impedance unit one 7-1, and impedance unit one 7-1 is connected with power supply analog line 3 and is provided with switch two 7-1 between the two.
Be provided with residual current circuit breaker 12 between described fault simulation module 2 10 and the branch line analog line 9, described fault simulation module 2 10 comprises impedance unit two 10-2, the micro-control unit that is connected with impedance unit two 10-2 and the communication unit that is connected with micro-control unit, the end of described impedance unit two 10-2 is connected with branch line analog line 9 and is provided with switch three 10-1 between the two, the other end of impedance unit two 10-2 is connected with residual current circuit breaker 12 and is provided with switch four 10-3 between the two, and described communication unit is connected with control module 11.
The using method of described a kind of aftercurrent action protecting system actual training device: at first by the teacher in control module input fault parameter, control module passes to fault simulation module two with information, two work of fault simulation module make the branch line analog line at its place be in malfunction; Carry out fault detection analysis by the student by operational observations phenomenon of the failure and instrumentation then, draw abort situation, and get rid of fault; At last, after fixing a breakdown again energizing test observe fault and whether get rid of, get rid of until fault, then real training finishes.
The present invention includes the power supply analog module, the power supply analog module is connected with the power supply analog line, the power supply analog line is connected with the main line analog line, the main line analog line has been told the branch line analog line, the power supply analog line is provided with aftercurrent action protecting module, fault simulation module one and isolating switch, and the branch line analog line is provided with fault simulation module two, and fault simulation module two is circumscribed with control module, above-mentioned parts are formed the low voltage electric network of simulation, and are simple in structure, be convenient to implement; The student just can carry out the real training of aftercurrent action protecting by the present invention like this; more directly perceived and operability is stronger; there is the bigger problem of deviation in simple theoretical calculating of dependence of real training that has overcome existing aftercurrent action protecting when the on-the-spot residual current of solution breaks down; the low-voltage distribution that influences that has solved on-the-spot real training existence moves; there is unsafe factor; be subjected to many drawbacks such as distance limit; has energy simulated field working condition; satisfy the real training needs; simple in structure; be convenient to implement; easy to operate directly perceived, and then can improve the real training effect; strengthen the advantage of student's professional skill.
Embodiment 3
As shown in Figure 1; a kind of aftercurrent action protecting system actual training device; it comprises power supply analog module 1; described power supply analog module 1 is connected with power supply analog line 3; power supply analog line 3 is connected with main line analog line 8; main line analog line 8 has been told branch line analog line 9; described power supply analog line 3 is provided with aftercurrent action protecting module 6; fault simulation module 1 and isolating switch 2; wherein isolating switch 2 is arranged on the power supply analog line 3 of powering between analog module 1 and the aftercurrent action protecting module 6; described branch line analog line 9 is provided with fault simulation module 2 10, and described fault simulation module 2 10 is circumscribed with control module 11.
Described aftercurrent action protecting module 6 comprises RCD 6-1, contactor 6-3 summation current transformer 6-5; wherein current transformer 6-5 and contactor 6-3 are arranged on the power supply analog line 3; contactor 6-3 is connected with RCD 6-1 and it is provided with switch one 6-2 between the two, and current transformer 9-5 is connected with RCD 6-1 and it is provided with fuse 6-4 and switch one 6-2 between the two.
Described fault simulation module 1 comprises impedance unit one 7-1, and impedance unit one 7-1 is connected with power supply analog line 3 and is provided with switch two 7-1 between the two.
Be provided with residual current circuit breaker 12 between described fault simulation module 2 10 and the branch line analog line 9, described fault simulation module 2 10 comprises impedance unit two 10-2, the micro-control unit that is connected with impedance unit two 10-2 and the communication unit that is connected with micro-control unit, the end of described impedance unit two 10-2 is connected with branch line analog line 9 and is provided with switch three 10-1 between the two, the other end of impedance unit two 10-2 is connected with residual current circuit breaker 12 and is provided with switch four 10-3 between the two, and described communication unit is connected with control module 11.
Also be provided with voltage display unit 4 and current displaing unit 5 on the described power supply analog line 3.
Described fault simulation module 1 is arranged on the power supply analog line 3 between aftercurrent action protecting module 6 and the main line analog line 8.
Described control module 11 adopts computing machine.
The using method of described a kind of aftercurrent action protecting system actual training device: at first by the teacher in control module input fault parameter, control module passes to fault simulation module two with information, two work of fault simulation module make the branch line analog line at its place be in malfunction; Carry out fault detection analysis by the student by operational observations phenomenon of the failure and instrumentation then, draw abort situation, and get rid of fault; At last, after fixing a breakdown again energizing test observe fault and whether get rid of, get rid of until fault, then real training finishes.
The present invention includes the power supply analog module, the power supply analog module is connected with the power supply analog line, the power supply analog line is connected with the main line analog line, the main line analog line has been told the branch line analog line, the power supply analog line is provided with aftercurrent action protecting module, fault simulation module one and isolating switch, and the branch line analog line is provided with fault simulation module two, and fault simulation module two is circumscribed with control module, above-mentioned parts are formed the low voltage electric network of simulation, and are simple in structure, be convenient to implement; The student just can carry out the real training of aftercurrent action protecting by the present invention like this; more directly perceived and operability is stronger; there is the bigger problem of deviation in simple theoretical calculating of dependence of real training that has overcome existing aftercurrent action protecting when the on-the-spot residual current of solution breaks down; the low-voltage distribution that influences that has solved on-the-spot real training existence moves; there is unsafe factor; be subjected to many drawbacks such as distance limit; has energy simulated field working condition; satisfy the real training needs; simple in structure; be convenient to implement; easy to operate directly perceived, and then can improve the real training effect; strengthen the advantage of student's professional skill.
Claims (7)
1. aftercurrent action protecting system actual training device; it is characterized in that: it comprises the power supply analog module; described power supply analog module is connected with the power supply analog line; the power supply analog line is connected with the main line analog line; the main line analog line has been told the branch line analog line; described power supply analog line is provided with the aftercurrent action protecting module; fault simulation module one and isolating switch; wherein isolating switch is arranged on the power supply analog line of powering between analog module and the aftercurrent action protecting module; described branch line analog line is provided with fault simulation module two, and described fault simulation module two is circumscribed with control module.
2. a kind of aftercurrent action protecting according to claim 1 system actual training device; it is characterized in that: described aftercurrent action protecting module comprises RCD, contactor summation current transformer; wherein current transformer and contactor are arranged on the power supply analog line; contactor is connected with RCD and it is provided with switch one between the two, and current transformer is connected with RCD and it is provided with fuse and switch one between the two.
3. a kind of aftercurrent action protecting according to claim 1 system actual training device, it is characterized in that: described fault simulation module one comprises impedance unit one, impedance unit one is connected with the power supply analog line and is provided with switch two between the two.
4. a kind of aftercurrent action protecting according to claim 1 system actual training device; it is characterized in that: be provided with residual current circuit breaker between described fault simulation module two and the branch line analog line; described fault simulation module two comprises impedance unit two; the micro-control unit that is connected with impedance unit two and the communication unit that is connected with micro-control unit; one end of described impedance unit two is connected with the branch line analog line and is provided with switch three between the two; the other end of impedance unit two is connected with residual current circuit breaker and is provided with switch four between the two, and described communication unit is connected with control module.
5. a kind of aftercurrent action protecting according to claim 1 system actual training device is characterized in that: also be provided with voltage display unit and current displaing unit on the described power supply analog line.
6. a kind of aftercurrent action protecting according to claim 1 system actual training device is characterized in that: described fault simulation module one is arranged on the power supply analog line between aftercurrent action protecting module and the main line analog line.
7. a kind of aftercurrent action protecting according to claim 1 system actual training device, it is characterized in that: described control module adopts computing machine.
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| CN2013102974831A CN103345872A (en) | 2013-07-16 | 2013-07-16 | Residual current action protecting system practical training device |
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| CN2013102974831A CN103345872A (en) | 2013-07-16 | 2013-07-16 | Residual current action protecting system practical training device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252807A (en) * | 2013-12-11 | 2014-12-31 | 江苏省电力公司江阴市供电公司 | Common electric leakage fault simulator of low-voltage lines |
| CN104575202A (en) * | 2015-01-06 | 2015-04-29 | 国家电网公司 | Mobile aftercurrent protection training cabinet |
| CN104575203A (en) * | 2015-01-06 | 2015-04-29 | 国家电网公司 | Three-level residual current operated protection simulated practice training system |
| CN104575201A (en) * | 2015-01-06 | 2015-04-29 | 国家电网公司 | Residual current protection simulation practical training cabinet |
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Application publication date: 20131009 |