CN201859584U - Cable fault simulation training device - Google Patents
Cable fault simulation training device Download PDFInfo
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- CN201859584U CN201859584U CN2010205831352U CN201020583135U CN201859584U CN 201859584 U CN201859584 U CN 201859584U CN 2010205831352 U CN2010205831352 U CN 2010205831352U CN 201020583135 U CN201020583135 U CN 201020583135U CN 201859584 U CN201859584 U CN 201859584U
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Abstract
The utility model discloses a cable fault simulation training device, characterized in that it includes a cable fault simulation box and a cable fault simulation circuit arranged in the cable fault simulation box; the cable fault simulation circuit includes a cable broken fault simulation circuit, a creepage resistor, a ground fault simulation circuit and an interphase fault simulation circuit; advantaged by that the cable fault simulation circuit is arranged in the cable fault simulation box, the cable fault simulation circuit may be configured to various faults of cable broken fault, cable phase fault, cable single-line ground short circuit and interphase resistance, an operator can directly measure cable input ends or load ends fixed outside the box by using basic instruments such as an insulated tester and a multimeter, such that a period of learning and gripping a technology of detecting cable faults by basic instruments can be effectively shortened, detection efficiency of cable faults can be improved in an actual operation, and further loss of a user can be reduced.
Description
Technical field
The utility model has related to a kind of electrician's operation training set, particularly a kind of cable fault analog training device.
Background technology
The mode that adopts cable line to transmit electric power; with its do not occupy cultivated land, do not take road, the protection corridor little and can with other urban operating mechanism pipelines with the corridor radiation, be convenient to integrated planning, operate power factor height; help multiple advantages such as antitheft in area relatively, application is more and more wider.But after in a single day cable line was in operation and breaks down, the nature of trouble judgement was difficult to judge by simple tour qualitative, gets rid of thereby directly influence further fault.The cable fault kind mainly contains: earth fault, short trouble, open circuit fault, mixed fault etc.Existing cable fault detects and is to use some accurate special testing instruments, and the smart equipment of a cover often needs tens0000 even hundreds of thousands, and personnel must can grasp through professional training, so teams and groups of general basic unit generally do not dispose instrumentation, this just detects to cable fault and eliminating brings very big obstacle, but insulation tester, multimeter all is the indispensable underlying instruments of maintenance teams and groups and maintainer, use simple instrument to judge that fast cable fault character is a practical technique, but, general personnel need at the scene the technology of groping and put into practice underlying instrument detection streamer faults such as could grasping general insulation tester of use and multimeter through for many years, learning process is longer, and on the basis of not grasping certain experience, carry out cable fault and detect, its operating efficiency is low, has a strong impact on user's productive life.
The utility model content
Technical problem to be solved in the utility model provides a kind ofly can train the electric operating personnel fast and use infrastructure devices such as insulation tester and multimeter to carry out the cable fault analog training device that cable fault detects.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of cable fault analog training device is characterized in that: comprise the cable fault simulation box and be located at the interior cable fault mimic channel of cable fault simulation box; Described cable fault mimic channel comprises cable open circuit fault mimic channel, leak resistance and earth fault mimic channel and phase fault mimic channel;
Described cable open circuit fault mimic channel comprises K switch 1, K2, K3 and the K4 that U, the V, W and the N that are connected to cable goes up mutually;
Described leak resistance and earth fault mimic channel comprise the identical circuit of four line structures on U, V, W and the N that is connected to cable, and wherein one the tunnel comprises leak resistance adjustment circuit and grounding switch; Described leak resistance is adjusted circuit input end and is connected with the cable single line, grounding switch and ground connection after leak resistance adjustment circuit output end is connected; Described leak resistance is adjusted the leak resistance that circuit comprises at least two parallel connections, also comprises the resistance selector switch of connecting with each resistance;
Described phase fault mimic channel comprises four identical branch roads of structure that are connected mutually with U, V, W and the N of cable respectively, and one of them branch road comprises short circuiting switch and short circuit selector switch; Described short circuiting switch is in parallel with the leak resistance that leak resistance is adjusted in the circuit, and the short circuit selector switch is adjusted circuit with the leak resistance that is parallel with short circuiting switch and connected; The end of four short circuit selector switch in described four branch roads links to each other.
Described cable input end and load side are equipped with leak resistance and earth fault mimic channel and phase fault mimic channel.
Leak resistance and the shared earth terminal of the grounding switch in the earth fault mimic channel on described each single line that is connected cable one end.
Adopt the beneficial effect that technique scheme produced to be: the cable fault mimic channel is set in the cable fault simulation box, and can being provided with cable, the cable fault mimic channel opens circuit, the cable phase fault, various faults such as cable single-line ground short circuit and alternate resistance, the operating personnel directly utilizes other basic instruments such as insulation tester and multimeter to measure being fixed on casing outer cable input end or load side, can effectively shorten operating personnel's study and grasp the time of carrying out the cable fault detection technique with basic instrument, improve cable fault detection efficiency in the practical operation, reduce user's loss further.
Description of drawings
Fig. 1 is a cable fault mimic channel of the present utility model;
1, cable open circuit fault mimic channel; 2, leak resistance and earth fault mimic channel; 2-1, leak resistance are adjusted circuit.
Further the utility model is described in detail below in conjunction with accompanying drawing.
Embodiment
For making above-mentioned purpose of the present utility model, feature and beneficial effect can become apparent more, below in conjunction with the drawings and specific embodiments among the utility model embodiment, the technical scheme among the utility model embodiment are clearly and completely described.
A kind of cable fault analog training device as shown in Figure 1, its key improvements is: comprise the cable fault simulation box and be located at the interior cable fault mimic channel of cable fault simulation box; Described cable fault mimic channel comprises cable open circuit fault mimic channel 1, leak resistance and earth fault mimic channel 2 and phase fault mimic channel;
Described cable open circuit fault mimic channel comprises K switch 1, K2, K3 and the K4 that U, the V, W and the N that are connected to cable goes up mutually;
Described leak resistance and earth fault mimic channel comprise the identical circuit of four line structures on U, V, W and the N that is connected to cable, and wherein one the tunnel comprises leak resistance adjustment circuit 2-1 and grounding switch; Described leak resistance is adjusted circuit 2-1 input end and is connected with the cable single line, grounding switch and ground connection after leak resistance adjustment circuit output end is connected; Described leak resistance is adjusted the leak resistance that circuit comprises at least two parallel connections, also comprises the resistance selector switch of connecting with each resistance;
Described phase fault mimic channel comprises four identical branch roads of structure that are connected mutually with U, V, W and the N of cable respectively, and one of them branch road comprises short circuiting switch and short circuit selector switch; Described short circuiting switch is in parallel with the leak resistance that leak resistance is adjusted among the circuit 2-1, and the short circuit selector switch is adjusted circuit with the leak resistance that is parallel with short circuiting switch and connected; The end of four short circuit selector switch in described four branch roads links to each other.
Described cable input end and load side are equipped with leak resistance and earth fault mimic channel 2 and phase fault mimic channel.
Leak resistance and the shared earth terminal of the grounding switch in the earth fault mimic channel 2 on described each single line that is connected cable one end.
As shown in Figure 1: leak resistance that is connected with the zero line of cable input end and the leak resistance in the earth fault mimic channel 2 are adjusted circuit and are comprised two groups of branch roads that group is parallel with one another, each group branch road comprises the resistance of a resistance selector switch and series connection with it, the resistance of the resistance R 15 of one of them branch road is greater than the resistance of the resistance R 16 of another branch road, resistance selector switch K26 and K27 respectively with resistance R 15, the R16 series connection, grounding switch K44 of series connection on two groups of later shared output terminals of branch road parallel connection, a short circuiting switch K28 in parallel with one of them branch road, the later resistance of K28 is adjusted short circuit selector switch K36 of series connection on the output terminal of circuit in the parallel connection; The leak resistance that connects of single line and the leak resistance in the earth fault mimic channel 2 are adjusted circuit and are comprised two groups of branch roads that group is parallel with one another mutually with the W of cable input end, each group branch road comprises the resistance of a resistance selector switch and series connection with it, the resistance of the resistance R 13 of one of them branch road is greater than the resistance of the resistance R 14 of another branch road, resistance selector switch K13 and K14 respectively with resistance R 13, the R14 series connection, grounding switch K43 of series connection on two groups of later shared output terminals of branch road parallel connection, a short circuiting switch K25 in parallel with one of them branch road, the later resistance of K25 is adjusted short circuit selector switch K35 of series connection on the output terminal of circuit in the parallel connection; The leak resistance that connects of single line and the leak resistance in the earth fault mimic channel 2 are adjusted circuit and are comprised two groups of branch roads that group is parallel with one another mutually with the V of cable input end, each group branch road comprises the resistance of a resistance selector switch and series connection with it, the resistance of the resistance R 11 of one of them branch road is greater than the resistance of the resistance R 12 of another branch road, resistance selector switch K20 and K21 respectively with resistance R 11, the R12 series connection, grounding switch K42 of series connection on two groups of later shared output terminals of branch road parallel connection, a short circuiting switch K22 in parallel with one of them branch road, the later resistance of K22 is adjusted short circuit selector switch K34 of series connection on the output terminal of circuit in the parallel connection; The leak resistance that connects of single line and the leak resistance in the earth fault mimic channel 2 are adjusted circuit and are comprised two groups of branch roads that group is parallel with one another mutually with the U of cable input end, each group branch road comprises the resistance of a resistance selector switch and series connection with it, the resistance of the resistance R 9 of one of them branch road is greater than the resistance of the resistance R 10 of another branch road, resistance selector switch K17 and K18 respectively with resistance R 9, the R10 series connection, grounding switch K41 of series connection on two groups of later shared output terminals of branch road parallel connection, a short circuiting switch K19 in parallel with one of them branch road, the later resistance of K19 is adjusted short circuit selector switch K33 of series connection on the output terminal of circuit in the parallel connection; The structure of the mimic channel that connects on the structure of the cable fault mimic channel that connects on the cable output end and the cable input end is identical.
In concrete application process, can simulate different cable faults by selecting open circuit switch in analog switch group and phase-to phase fault and the single-line ground fault simulation loop and the switching of single-line ground switch of cable; Common several cable fault analogy methods are as follows:
1, the simulation of cable open circuit fault, as long as the leak resistance of cable output end and input end and the K switch 5-K28 in the earth fault mimic channel 2 are all disconnected, and any one or a plurality of switch in the cable open circuit fault mimic channel disconnect, other switch closures just can be provided with cable single line or multi-thread open circuit fault;
2, the simulation of phase fault, the K switch 1-K4 of at first closed cable open circuit fault mimic channel, K switch 19, K22, K33 and the K34 of the leak resistance that is connected of V and earth fault mimic channel 2 is all closed mutually with U, other switches all disconnect, and can realize the simulation of U phase V phase short trouble;
The simulation of 3, single-line ground fault, the K switch 1-K4 of at first closed cable open circuit fault mimic channel, the K switch 17 of leak resistance that is connected with U and earth fault mimic channel 2, K18, K19 select closed one of them, other switches of closed ground switch K41 all disconnect then, can realize the simulation of U phase earth fault;
It more than is the simulation of three kinds of most common failures, can also realize the simulation of multiple cable fault by the switching combination of different switches, and because general cable length is longer, can not directly use the two ends of multimeter or other instrument test cable single lines for the fault detect of single line, to judge cable fault by the mutual test at cable two ends in the time of actual the test, so, two sections in the cable fault analogue means all are provided with phase-to phase fault and single-line ground fault simulation loop, can the common cable fault of true reappearance, for electric operating personnel's training provides the most real scene, effectively shorten learning time, can in the shortest time, allow the electric operating personnel grasp and carry out the method that cable fault is judged with basic electric power detecting instrument, and then improve that cable fault detects and the efficient of fault eliminating, drop to user's loss minimum.
Claims (3)
1. a cable fault analog training device is characterized in that: comprise the cable fault simulation box and be located at the interior cable fault mimic channel of cable fault simulation box; Described cable fault mimic channel comprises cable open circuit fault mimic channel (1), leak resistance and earth fault mimic channel (2) and phase fault mimic channel;
Described cable open circuit fault mimic channel comprises K switch 1, K2, K3 and the K4 that U, the V, W and the N that are connected to cable goes up mutually;
Described leak resistance and earth fault mimic channel comprise the identical circuit of four line structures on U, V, W and the N that is connected to cable, and wherein one the tunnel comprises leak resistance adjustment circuit (2-1) and grounding switch; Described leak resistance is adjusted circuit (2-1) input end and is connected with the cable single line, grounding switch and ground connection after leak resistance adjustment circuit output end is connected; Described leak resistance is adjusted the leak resistance that circuit comprises at least two parallel connections, also comprises the resistance selector switch of connecting with each resistance;
Described phase fault mimic channel comprises four identical branch roads of structure that are connected mutually with U, V, W and the N of cable respectively, and one of them branch road comprises short circuiting switch and short circuit selector switch; Described short circuiting switch is in parallel with the leak resistance that leak resistance is adjusted in the circuit (2-1), and the short circuit selector switch is adjusted circuit with the leak resistance that is parallel with short circuiting switch and connected; The end of four short circuit selector switch in described four branch roads links to each other.
2. a kind of cable fault analog training device according to claim 1 is characterized in that: described cable input end and load side are equipped with leak resistance and earth fault mimic channel (2) and phase fault mimic channel.
3. a kind of cable fault analog training device according to claim 2 is characterized in that: leak resistance and the shared earth terminal of the grounding switch in the earth fault mimic channel (2) on described each single line that is connected cable one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205831352U CN201859584U (en) | 2010-10-29 | 2010-10-29 | Cable fault simulation training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205831352U CN201859584U (en) | 2010-10-29 | 2010-10-29 | Cable fault simulation training device |
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| CN201859584U true CN201859584U (en) | 2011-06-08 |
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| CN2010205831352U Expired - Fee Related CN201859584U (en) | 2010-10-29 | 2010-10-29 | Cable fault simulation training device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288859A (en) * | 2011-06-23 | 2011-12-21 | 陕西电力科学研究院 | 10-kilovolt feed line short circuit test method |
| CN102509498A (en) * | 2011-11-14 | 2012-06-20 | 上海理工大学 | Circuit fault setting encryption method for training and examination |
| CN102750857A (en) * | 2012-06-08 | 2012-10-24 | 郑州万特电气有限公司 | Somatosensory practical training circuit and device for ground protection of devices |
| CN103344883A (en) * | 2013-07-03 | 2013-10-09 | 山东科汇电力自动化有限公司 | Simulation testing device and method achieving cable fault simulation through wireless network |
| CN103413482A (en) * | 2013-08-29 | 2013-11-27 | 国家电网公司 | Power cable intelligent simulation training system |
| CN104614604A (en) * | 2015-01-12 | 2015-05-13 | 国家电网公司 | 10kV cable fault simulation device and fault simulation method |
| CN104977482A (en) * | 2014-04-14 | 2015-10-14 | 南京南瑞继保电气有限公司 | Fault simulation circuit used for DC test system and method thereof |
| CN106205307A (en) * | 2016-07-06 | 2016-12-07 | 许继电气股份有限公司 | A kind of short-circuit fault simulation device |
| CN107390075A (en) * | 2017-09-05 | 2017-11-24 | 云南电网有限责任公司电力科学研究院 | A kind of device for power distribution network single phase grounding test |
| CN110244179A (en) * | 2019-05-27 | 2019-09-17 | 广州供电局有限公司 | Cable fault simulation circuit and device |
| CN116631273A (en) * | 2023-07-25 | 2023-08-22 | 国网福建省电力有限公司 | Simulation high altitude electric leakage fault collection system |
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2010
- 2010-10-29 CN CN2010205831352U patent/CN201859584U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288859A (en) * | 2011-06-23 | 2011-12-21 | 陕西电力科学研究院 | 10-kilovolt feed line short circuit test method |
| CN102509498A (en) * | 2011-11-14 | 2012-06-20 | 上海理工大学 | Circuit fault setting encryption method for training and examination |
| CN102509498B (en) * | 2011-11-14 | 2013-11-27 | 上海理工大学 | Circuit fault setting encryption method for training and examination |
| CN102750857A (en) * | 2012-06-08 | 2012-10-24 | 郑州万特电气有限公司 | Somatosensory practical training circuit and device for ground protection of devices |
| CN103344883B (en) * | 2013-07-03 | 2015-09-16 | 山东科汇电力自动化股份有限公司 | Simulation testing device and the method for cable fault simulation is realized by wireless network |
| CN103344883A (en) * | 2013-07-03 | 2013-10-09 | 山东科汇电力自动化有限公司 | Simulation testing device and method achieving cable fault simulation through wireless network |
| CN103413482A (en) * | 2013-08-29 | 2013-11-27 | 国家电网公司 | Power cable intelligent simulation training system |
| CN103413482B (en) * | 2013-08-29 | 2015-07-01 | 国家电网公司 | Power cable intelligent simulation training system |
| CN104977482A (en) * | 2014-04-14 | 2015-10-14 | 南京南瑞继保电气有限公司 | Fault simulation circuit used for DC test system and method thereof |
| CN104977482B (en) * | 2014-04-14 | 2018-09-28 | 南京南瑞继保电气有限公司 | A kind of fault simulation circuit and method for DC experiment system |
| CN104614604A (en) * | 2015-01-12 | 2015-05-13 | 国家电网公司 | 10kV cable fault simulation device and fault simulation method |
| CN104614604B (en) * | 2015-01-12 | 2017-09-26 | 国家电网公司 | A kind of 10kV cable fault simulations device and failure simulation method |
| CN106205307A (en) * | 2016-07-06 | 2016-12-07 | 许继电气股份有限公司 | A kind of short-circuit fault simulation device |
| CN106205307B (en) * | 2016-07-06 | 2019-08-09 | 许继电气股份有限公司 | A kind of short-circuit fault simulation device |
| CN107390075A (en) * | 2017-09-05 | 2017-11-24 | 云南电网有限责任公司电力科学研究院 | A kind of device for power distribution network single phase grounding test |
| CN110244179A (en) * | 2019-05-27 | 2019-09-17 | 广州供电局有限公司 | Cable fault simulation circuit and device |
| CN116631273A (en) * | 2023-07-25 | 2023-08-22 | 国网福建省电力有限公司 | Simulation high altitude electric leakage fault collection system |
| CN116631273B (en) * | 2023-07-25 | 2023-11-07 | 国网福建省电力有限公司 | Simulation high altitude electric leakage fault collection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20131029 |