CN103617754B - Power cable fault simulation test analogue system - Google Patents
Power cable fault simulation test analogue system Download PDFInfo
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- CN103617754B CN103617754B CN201310388336.5A CN201310388336A CN103617754B CN 103617754 B CN103617754 B CN 103617754B CN 201310388336 A CN201310388336 A CN 201310388336A CN 103617754 B CN103617754 B CN 103617754B
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- 238000004088 simulation Methods 0.000 title claims abstract description 87
- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000009286 beneficial effect Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000012549 training Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000013024 troubleshooting Methods 0.000 description 1
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Abstract
The present invention relates to a kind of power cable fault simulation test analogue system, it is characterized in that: comprise a wireless router, described wireless router and a main frame, a cable fault simulation cabinet and a cable fault simulation stadimeter carry out communication; Wherein, described cable fault simulation cabinet comprises a wireline test end cabinet, a cable fault arranges cabinet and a cable termination cabinet, described cable fault arranges cabinet and comprises a central control unit, described central control unit connects an A phase position and to detect and fault simulation module, a B phase position detects and fault simulation module and a C phase position detect and fault simulation module, and described central control unit connects a wireless module is beneficial to described cable fault simulation cabinet and described wireless router carries out communication.Dynamic System of the present invention is simple, and cable fault type and fault distance arbitrarily can be arranged by software, can reproduce common cable fault more really.
Description
Technical field
The present invention relates to a kind of power cable fault simulation test analogue system.
Background technology
Along with the fast development of national urbanization, underground power cable obtains general application in city, and the fault of cable also gets more and more.But the professional requirement of failure tester for electric power cable device to user of service is also higher, can the recognition technology of the skill level that tester operates failure tester for electric power cable device and fault localization waveform to exploration cable fault have a great impact quickly and accurately.In order to avoid wasting the economic loss of a large amount of human and material resources resources and the initiation of minimizing cable fault in detection of cable fault process, strengthen the training to tester and examination, the use of the grasp failure tester for electric power cable device making it skilled is very important.
The training of failure tester for electric power cable device operating personnel is in the past all arrange several trouble spot of different nature on one section of real cable, or the power cable major insulation failure simulation device (T-GMZ100) adopting Shandong Kehui Electric Co., Ltd. to produce and single core cable sheath failure simulation device (T-GMH100), again by coming failure judgement type and distance with the connection of fault test instrument, these methods or equipment all there is trouble spot and fault type is fixing, and quantity is few, cause the scope of one's knowledge of student training narrow, the fault testing method grasped is comprehensive not, student is also easy to type and the distance of remembeing these trouble spots in training, really cannot check the ' Current Knowledge Regarding of student when training and examination or Skill Competition.
Summary of the invention
In view of this, the object of this invention is to provide a kind of power cable fault simulation test analogue system.
The present invention adopts following scheme to realize: a kind of power cable fault simulation test analogue system, is characterized in that: comprise a wireless router, and described wireless router and a main frame, a cable fault simulation cabinet and a cable fault simulation stadimeter carry out communication;
Wherein, described cable fault simulation cabinet comprises a wireline test end cabinet, a cable fault arranges cabinet and a cable termination cabinet, described cable fault arranges cabinet and comprises a central control unit, described central control unit connects an A phase position and to detect and fault simulation module, a B phase position detects and fault simulation module and a C phase position detect and fault simulation module, and described central control unit connects a wireless module is beneficial to described cable fault simulation cabinet and described wireless router carries out communication; Described cable fault simulation stadimeter sends a test command to described main frame, and described main frame sends a cable fault waveform to described cable fault simulation cabinet according to described test command.
In an embodiment of the present invention, described wireline test end cabinet comprises a cable A phase socket and detector switch, a B phase socket and detector switch and C phase socket and a detector switch.
In an embodiment of the present invention, described cable termination cabinet comprises a cable A phase end, a cable B phase end and a cable C phase end, and by inside cable and cable A phase socket, the cable B phase socket in described wireline test end cabinet with cable C phase socket is corresponding connects.
In an embodiment of the present invention, described cable fault arranges cabinet and also comprises a supply socket, a power switch and a power light.
In an embodiment of the present invention, described cable fault simulation stadimeter comprises a central processing unit, a wireless module, a trigger circuit module, a display module and a load module.
In an embodiment of the present invention, described wireless module is wireless WIFI module.
In an embodiment of the present invention, described display module is LCD display.
In an embodiment of the present invention, described load module is Keysheet module.
In an embodiment of the present invention, described test command comprises the metering system of cable fault simulation stadimeter, scope and gain.
In an embodiment of the present invention, described cable fault waveform is the analog waveform under action of low-voltage pulse mode, impulse current system or secondary pulse mode.
The present invention has the following advantages: all available multimeter of various faults, megger and high-tension apparatus that (1) cable fault simulation cabinet is simulated are tested, failure judgement type.Be used for training troubleshooting personnel, make it according to certain working specification, according to certain step, carry out searching of cable fault, the grasp cable fault detect technology making start-up skilled fast.(2) in measurement range, the waveform of Arbitrary Fault distance can be simulated, solve the problem that other cable fault simulation device can only simulate fixed qty and fixed range fault.(3) the cable fault type of any phase in A, B, C three-phase can be set, can automatically detect the separate of surveyed cable.(4) the wireline test end of cable fault simulation cabinet and cable termination all appear at start-up at the moment, provide real site environment to start-up.(5) setting of the fault distance of cable fault simulation, only needs by cable fault wave simulation software design patterns, does not need actual cable.(6) cable fault setting operation is simple, and cable fault type and fault distance arbitrarily can be arranged by software, can reproduce common cable fault more really.
For making object of the present invention, technical scheme and advantage clearly understand, below by specific embodiment and relevant drawings, the present invention will be described in further detail.
Accompanying drawing explanation
Fig. 1 is present system the general frame.
Fig. 2 is the structural drawing of cable fault simulation cabinet of the present invention.
Fig. 3 is the theory diagram that cable fault of the present invention arranges cabinet.
Fig. 4 is cable fault simulation theory diagram of the present invention.
Fig. 5 is the theory diagram of cable fault simulation stadimeter of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of power cable fault simulation test analogue system, comprise a wireless router (6), described wireless router (6) and a main frame (37), a cable fault simulation cabinet (38) and a cable fault simulation stadimeter (39) carry out communication;
As shown in Figures 2 and 3, wherein, described cable fault simulation cabinet (38) comprises a wireline test end cabinet (1), one cable fault arranges cabinet (2) and a cable termination cabinet (7), described cable fault arranges cabinet (2) and comprises a central control unit (18), described central control unit (18) connects an A phase position and detects and fault simulation module (20), one B phase position detect and fault simulation module (22) and a C phase position detection and fault simulation module (24), and described central control unit (18) connects a wireless module (19) and is beneficial to described cable fault simulation cabinet (38) and described wireless router (6) and carries out communication, described cable fault simulation stadimeter (39) sends a test command to described main frame (37), and described main frame (37) sends a cable fault waveform to described cable fault simulation cabinet (38) according to described test command.Described test command comprises metering system, the scope and gain etc. of cable fault simulation stadimeter (39); Described cable fault waveform can be the analog waveform under action of low-voltage pulse mode, impulse current system or secondary pulse mode.The parameters such as the fault type that the test command that described main frame can send according to described cable fault simulation stadimeter is arranged and fault distance, produce the fault waveform of A, B, C threephase cable.
Cable fault waveform is that main frame produces the fault type and fault distance that arrange A, B, C threephase cable respectively according to cable fault wave simulation software.Fault type comprises the low-resistance (short circuit) of A, B, C threephase cable, high resistant, flashover to earth fault and disconnection fault.The fault distance of cable can be arbitrarily set in the cable length range of cable fault wave simulation software design patterns.After being provided with, cable fault wave simulation software will simulate the whole piece fault waveform of A, B, C threephase cable under various test mode, and is shown by reference waveform.Setting command sends to cable fault simulation cabinet by wireless wifi module and wireless router simultaneously.Concrete is exactly, main frame is by arranging wave velocity, cable total length and fault type, after setting up cable total length, by in cable length range, arbitrarily fault distance is set, send order to cable fault simulation cabinet (38) by wireless wifi, cable fault simulation cabinet (38) arranges corresponding fault.
Cable fault wave simulation software can arrange corresponding fault, and as arranged A phase low resistance faults, fault distance is 200 meters.Wherein, fault distance can not be greater than cable total length.Now, the analog waveform under action of low-voltage pulse mode, impulse current system and secondary pulse mode will be presented at.Then, fault verification order sends to cable fault simulation cabinet (38) by wireless wifi module.After the central control unit (18) of cable fault simulation cabinet (38) receives this fault verification order, by resolving order, control A phase position detects and the corresponding actuating of relay of fault simulation module (20).When arranging A phase low resistance faults, relay (26) action as shown in Figure 4, makes A phase and ground line form low resistance faults.In addition, reconfigurable fault type and fault distance.In like manner, B phase, C phase fault can be set.
Continue referring to Fig. 2, described wireline test end cabinet (1) comprises cable A phase socket (17) and detector switch (16), a B phase socket (15) and detector switch (14) and a C phase socket (13) and detector switch (12); Described cable termination cabinet (7) comprises cable A phase end (8), cable B phase end (9) and cable C phase end (10), and by inside cable (11) and cable A phase socket (17) in described wireline test end cabinet (1), cable B phase socket (15) with cable C phase socket (13) is corresponding connects; Preferably, described cable fault arranges cabinet (2) and also comprises a supply socket (3), a power switch (4) and a power light (5).
After the central control unit (18) of cable fault simulation cabinet (38) receives by wireless wifi module (19) and wireless router (6) setting command that cable fault wave simulation software sends, controls A phase position detects and fault simulation module (20), B phase position detects and fault simulation module (22), the detection of C phase position and fault simulation module (24) the corresponding actuating of relay to produce corresponding cable fault.As shown in Figure 4, low-resistance (short circuit) fault is closed by relay (26), makes phase line and the ground wire short circuit of cable, simulation phase line low-resistance (short circuit) fault over the ground; High resistive fault is closed by relay (27), and the phase line of cable is connected by resistance (30) and auxiliary gap (31) with ground wire, simulation phase line high resistive fault over the ground; Arcing fault is closed by relay (28), and the phase line of cable is connected by auxiliary gap (32) with ground wire, simulation phase line arcing fault over the ground; Disconnection fault is disconnected by relay (29), makes the middle open circuit of the phase line of cable, simulation phase line open circuit fault.Relay (26) disconnects, and relay (27) disconnects, and relay (28) disconnects, when relay (29) closes, and the serviceable condition of dummycable phase line.Central control unit (18) detects A phase position and to detect and fault simulation module (20), B phase position detects and fault simulation module (22), C phase position detect and the state of fault simulation module (24) three position switchs, judge the phase line of testing, and this phase line is sent to the cable fault wave simulation software on main frame by wireless wifi module (19) and wireless router (6).Concrete is exactly, such as, test cable A phase time, cable check plug is inserted cable A phase socket (17), then cable A phase detector switch (16) is depressed by cable check plug, A phase detector switch (16) action, after central control unit (18) detects A phase detector switch (16) actuating signal, sends to cable fault wave simulation software by this signal by wireless wifi module (19) and wireless router (6).In like manner, test cable B phase or C phase time, insert cable B phase socket (15) or insert cable C phase socket (13) by cable check plug.
As shown in Figure 5, described cable fault simulation stadimeter (39) comprises a central processing unit (35), a wireless module (37), a trigger circuit module (36), a display module (33) and a load module (34); Preferably, described wireless module (37) is wireless WIFI module, and described display module (33) is LCD display, and described load module (34) is Keysheet module.
Test command (is comprised mode by the central control unit (35) of cable fault simulation stadimeter (39), scope, gain etc.) cable fault wave simulation software on main frame is sent to by wireless wifi module (37) and wireless router (6), after the test command that cable fault wave simulation software receipt sends to the central control unit (35) of cable fault simulation stadimeter (39), in conjunction with the information of the test phase line that the central control unit (18) of cable fault simulation cabinet (38) sends, cable fault simulation stadimeter is sent to show by wireless wifi module the data of the fault simulation waveform of corresponding phase line.Concrete is exactly, after determining the fault type of cable, Keysheet module (34) can be passed through and select test mode, the parameter such as test specification and the gain of selecting, when tested, test command is sent to cable fault wave simulation software by wireless wifi module (37) and wireless router (6) by central control unit (35), cable fault wave simulation software receipt is to test command, after test command is resolved, in conjunction with the information of test phase line, from the whole piece fault waveform simulated, intercept the Wave data being applicable to test specification, cable fault simulation stadimeter (39) is sent to by wireless wifi module.Such as, when selecting action of low-voltage pulse mode, after central control unit (35) receives Wave data, will at LCD(33) on demonstrate fault waveform, can analyze waveform, thus draw fault distance.When selecting impulse current system or secondary pulse mode, central control unit (35) receives Wave data, and after the trigger pip of trigger circuit (36) being detected, will at LCD(33) on demonstrate fault waveform, thus can analyze waveform, thus draw fault distance.
Above-listed preferred embodiment; the object, technical solutions and advantages of the present invention are further described; be understood that; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a power cable fault simulation test analogue system, is characterized in that: comprise a wireless router, and described wireless router and a main frame, a cable fault simulation cabinet and a cable fault simulation stadimeter carry out communication;
Wherein, described cable fault simulation cabinet comprises a wireline test end cabinet, a cable fault arranges cabinet and a cable termination cabinet, described cable fault arranges cabinet and comprises a central control unit, described central control unit connects an A phase position and to detect and fault simulation module, a B phase position detects and fault simulation module and a C phase position detect and fault simulation module, and described central control unit connects a wireless module is beneficial to described cable fault simulation cabinet and described wireless router carries out communication; Described cable fault simulation stadimeter sends a test command to described main frame, and described main frame sends a cable fault waveform to described cable fault simulation cabinet according to described test command;
Described wireline test end cabinet comprises a cable A phase socket and detector switch, a B phase socket and detector switch and C phase socket and a detector switch;
Described cable termination cabinet comprises a cable A phase end, a cable B phase end and a cable C phase end, and by inside cable and cable A phase socket, the cable B phase socket in described wireline test end cabinet with cable C phase socket is corresponding connects;
Described cable fault simulation stadimeter comprises a central processing unit, a wireless module, a trigger circuit module, a display module and a load module.
2. power cable fault simulation test analogue system according to claim 1, is characterized in that: described cable fault arranges cabinet and also comprises a supply socket, a power switch and a power light.
3. power cable fault simulation test analogue system according to claim 1, is characterized in that: described wireless module is wireless WIFI module.
4. power cable fault simulation test analogue system according to claim 1, is characterized in that: described display module is LCD display.
5. power cable fault simulation test analogue system according to claim 1, is characterized in that: described load module is Keysheet module.
6. power cable fault simulation test analogue system according to claim 1, is characterized in that: described test command comprises the metering system of cable fault simulation stadimeter, scope and gain.
7. power cable fault simulation test analogue system according to claim 1, is characterized in that: described cable fault waveform is the analog waveform under action of low-voltage pulse mode, impulse current system or secondary pulse mode.
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| CN201310388336.5A CN103617754B (en) | 2013-08-30 | 2013-08-30 | Power cable fault simulation test analogue system |
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| CN201310388336.5A CN103617754B (en) | 2013-08-30 | 2013-08-30 | Power cable fault simulation test analogue system |
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| CN103617754B true CN103617754B (en) | 2015-11-18 |
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| CN104483592A (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Cable fault test training system based on actually-measured cable fault wave shape and method thereof |
| CN105070158B (en) * | 2015-07-30 | 2018-05-22 | 国家电网公司 | Cable fault analogue simulation system |
| CN105067954A (en) * | 2015-08-03 | 2015-11-18 | 国家电网公司 | Power cable fault simulation range finder |
| CN105355121A (en) * | 2015-10-28 | 2016-02-24 | 苏州市远极智能科技有限公司 | Intelligent wire-breaking module and wire-breaking practical training detection system |
| CN109285408A (en) * | 2018-10-30 | 2019-01-29 | 深圳供电局有限公司 | A kind of power cable simulation test device |
| CN110174590B (en) * | 2019-05-22 | 2024-01-09 | 国网江苏省电力有限公司连云港供电分公司 | Power cable comprehensive fault test simulation system and method |
| CN110570708A (en) * | 2019-08-30 | 2019-12-13 | 福建福清核电有限公司 | Nuclear power plant instrument control maintenance skill competition platform based on reactor protection system |
| CN110782734B (en) * | 2019-11-19 | 2022-02-01 | 国家电网有限公司 | Cable fault simulation and training evaluation system and method |
| CN111999617A (en) * | 2020-09-04 | 2020-11-27 | 广东电网有限责任公司肇庆供电局 | Simulation test device for cable fault simulation by using retreating line |
| CN112289118A (en) * | 2020-11-12 | 2021-01-29 | 深圳供电局有限公司 | Multistation power cable fault simulation range finding training system |
| CN113838326A (en) * | 2021-09-01 | 2021-12-24 | 国网天津市电力公司 | High tension cable trouble and partial discharge test integration training set |
| CN113990160B (en) * | 2021-12-30 | 2022-05-10 | 国网江西省电力有限公司电力科学研究院 | Modular cable simulation and fault simulation system and method |
| CN114495663B (en) * | 2022-03-14 | 2023-08-04 | 国网江苏省电力有限公司徐州供电分公司 | Cable fault positioning simulation device |
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