CN103745626B - A kind of electric substation's training set controlled based on PLC - Google Patents
A kind of electric substation's training set controlled based on PLC Download PDFInfo
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- 238000012423 maintenance Methods 0.000 description 2
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Abstract
The present invention relates to a kind of electric substation's training set controlled based on PLC, comprise base, operating display, alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, earth fault setting device, connecting terminal block, PLC signal input apparatus, PLC signal output apparatus, described base is provided with an attaching plug, and described operating display comprises case shell, analog line plate, warning device, isolator operation rocking bar, display I, display II, some voltage tables; Advantage of the present invention: achieve electric substation's analogue simulation training by PLC programmable controller controls operating display, solve the train problems of electricity consumption operating personnel, fast lifting student can teach training quality, network access operation electrician qualification rate is significantly promoted, operate directly perceived, vivid, main points that easy grasp is learned, produce effects height, solve practical operation more complicated, the difficult problem grasping operation.
Description
Technical field
The present invention relates to a kind of electric substation's training set controlled based on PLC.
Background technology
At present, electrical network and power consumer 35kV and following power supplying and distributing equipment comparatively general, the practice operation management level mixed of equipment operations staff, particularly when under equipment generation singlephase earth fault state, search lack experience, the generation of the improper easy generation maloperation of operation steps and comprehensively decompression and large area blackout.
Meanwhile, how fast lifting student teaches training quality, and how network access operation electrician qualification rate is significantly promoted, and becomes our problem urgently to be resolved hurrily current.Original teaching pattern is give lessons to separate with primary equipment practical operation and carry out in classroom, and it is more uninteresting that student generally reacts classroom instruction, produces effects limited, and practical operation more complicated, difficultly grasps operation overall process.
Summary of the invention
The existing teaching pattern of the technical problem to be solved in the present invention is give lessons to separate with primary equipment practical operation and carry out in classroom, it is more uninteresting that student generally reacts classroom instruction, produce effects limited, and practical operation more complicated, difficult grasp operates overall process, thus provides a kind of electric substation's training set controlled based on PLC.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of electric substation's training set controlled based on PLC, comprises base, be fixedly connected on the operating display on base, in described base, be provided with alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, earth fault setting device, connecting terminal block, at least one PLC signal input apparatus, at least one PLC signal output apparatus, described alternating current air switch, A.C. contactor, auxiliary reclay, PLC signal input apparatus, PLC programmable controller, PLC signal output apparatus, earth fault setting device is all connected with connecting terminal block by first group of wire, and described base is provided with the supply unit connected for operating display, and described base is provided with one and supply unit, PLC programmable controller, PLC signal input apparatus, the attaching plug of PLC signal output apparatus electrical connection, described operating display comprises case shell, be arranged on the analog line plate in case shell, the warning device on analog line plate is arranged on respectively by second group of wire, some isolator operation rocking bars, some for showing the display I of cross disconnector state, some for showing the display II of circuit-breaker status, some voltage tables, described isolator operation rocking bar is electrically connected with PLC signal input apparatus, described display I, display II, warning device, voltage table is electrically connected with PLC signal output apparatus respectively.
Preferably, described supply unit is 24V continuous-current plant, one end of described 24V continuous-current plant is connected with attaching plug, the other end of described 24V continuous-current plant is electrically connected with warning device, display I, display II, voltage table, can ensure to provide stability and safety reliable 24V power supply to warning device, display I, display II, voltage table, Practical Performance is good, can ensure the feasibility operated, and is convenient to study.
Preferably, described warning device comprises back brake alarm, fault alarm, described analog line plate is provided with emergency light and warning involution button, and described fault alarm is connected with PLC signal output apparatus, and described back brake alarm is connected with isolator operation rocking bar, out of order source can be effectively detected by fault alarm and emergency light, back brake alarm effectively can remind operating personnel's sequence of operation mistake, and operating performance is strong, rationally distributed, be convenient to study, unfailing performance is good.
Preferably, described earth fault setting device comprise installing plate, some arrange on a mounting board for arrange fault-signal recovery button, connect on a mounting board for covering the cover plate of recovery button by hinge through, described cover plate is provided with protection insulation course, can prevent installing plate from damaging to operating personnel's generation by cover plate, effectively prevent entering of dust, unfailing performance is good, simple to operate.
Preferably, described base is provided with cavity, described base has the opening that makes cavity and extraneous contact, described base is connected with the protective door that a fan makes opening seal, described alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, PLC signal input apparatus, PLC signal output apparatus, earth fault setting device, connecting terminal block is all fixedly connected in cavity, avoid alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, PLC signal input apparatus, PLC signal output apparatus, earth fault setting device, connecting terminal block is impaired by the external force such as rainwater affect, unfailing performance is good, improve result of use, protective door is easy for installation.
Preferably, described operating display is provided with start button, stop button, controls the button of isolator operation rocking bar duty and the pilot lamp for the energising of display simulation wiring board or power-off respectively, described button is connected with supply unit, be convenient to observational learning, good operation performance, rationally distributed, unfailing performance is good, ensure that the normal use of button.
Preferably, the two ends of described first group of wire and the two ends of second group of wire are equipped with aviation plug, and aviation plug is convenient to connect and maintenance, and decrease workload, result of use is good.
Preferably, the bottom of described base is provided with mobile device, is convenient to base and moves, and uses under adapting to different teaching environments, and simple to operate, Practical Performance is good.
In sum, advantage of the present invention: achieve electric substation's analogue simulation training by PLC programmable controller controls operating display, solve the train problems of electricity consumption operating personnel, fast lifting student can teach training quality, network access operation electrician qualification rate is significantly promoted, operation is directly perceived, vivid, main points that easy grasp is learned, produce effects height, solve practical operation more complicated, the difficult problem grasping operation, allow trainee can grasp the overall picture of training system operation, also achieve trainee's grid switching operation simultaneously, the examination of the actual operational capacities such as malfunction elimination.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electric substation's training set based on PLC control of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 be in Fig. 2 A to structural representation;
The structural representation of operating display when Fig. 4 is the operation of 35KV electric substation;
The structural representation of earth fault setting device when Fig. 5 is the operation of 35KV electric substation.
Embodiment
Embodiment one:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 5: a kind of electric substation's training set controlled based on PLC, comprises base 1, be fixedly connected on the operating display 2 on base 1, described operating display 2 is fixedly connected by welding on base 1, is provided with alternating current air switch 5 in described base 1, A.C. contactor 6, auxiliary reclay 7, PLC programmable controller 8, earth fault setting device 13, connecting terminal block 12, two PLC signal input apparatus 9, two PLC signal output apparatus 10, described alternating current air switch 5, A.C. contactor 6, auxiliary reclay 7, two PLC signal input apparatus 9, PLC programmable controller 8, two PLC signal output apparatus 10, earth fault setting device 13 is all connected with connecting terminal block 12 by first group of wire, and described base 1 is provided with the supply unit 4 connected for operating display 2, and described base 1 is provided with one and supply unit 4, PLC programmable controller 8, PLC signal input apparatus 9, the attaching plug 3 that PLC signal output apparatus 10 is electrically connected, described operating display 2 comprises case shell 76, be arranged on the analog line plate 75 in case shell, the warning device on analog line plate is arranged on respectively by second group of wire, some isolator operation rocking bars 200, some for showing the display I 201 of cross disconnector state, some for showing the display II 202 of circuit-breaker status, six voltage tables 61, described isolator operation rocking bar 200 is electrically connected with PLC signal input apparatus 9, described display I 201, display II 202, warning device, voltage table 61 is electrically connected with PLC signal output apparatus 10 respectively, and described supply unit 4 is 24V continuous-current plant, and one end of described 24V continuous-current plant is connected with attaching plug, the other end of described 24V continuous-current plant and warning device, display I 201, display II 202, voltage table is electrically connected, and can ensure warning device, display I 201, display II 202, voltage table provides stability and safety reliable 24V power supply, and Practical Performance is good, can ensure the feasibility operated, and be convenient to study, described warning device comprises back brake alarm 18, fault alarm 28, described analog line plate is provided with emergency light 29 and warning involution button 30, described fault alarm 28 is connected with PLC signal output apparatus 10, described back brake alarm 18 is connected with isolator operation rocking bar 200, out of order source can be effectively detected by fault alarm 28 and emergency light 29, back brake alarm 18 effectively can remind operating personnel's sequence of operation mistake, operating performance is strong, rationally distributed, be convenient to study, unfailing performance is good, and described earth fault setting device 13 comprises installing plate 17, 19 are arranged on a mounting board for arranging the recovery button 16 of fault-signal, be rotatably connected on installing plate 17 for covering the cover plate 15 of recovery button by hinge 171, described cover plate is provided with protection insulation course 151, can prevent installing plate from damaging to operating personnel's generation by cover plate, effectively prevent entering of dust, unfailing performance is good, simple to operate, 48 fault-signals can be set, described base 1 is provided with cavity 101, described base has the opening that makes cavity and extraneous contact, described base is connected with the protective door 102 that a fan makes opening seal, described alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, PLC signal input apparatus, PLC signal output apparatus, earth fault setting device, connecting terminal block is all fixedly connected in cavity, avoids alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, PLC signal input apparatus, PLC signal output apparatus, earth fault setting device, connecting terminal block is impaired by the external force such as rainwater affect, and unfailing performance is good, improves result of use, and protective door is easy for installation, and described operating display is provided with start button 19, stop button 20, control the button 203 of isolator operation rocking bar duty and the pilot lamp 204 for the energising of display simulation wiring board or power-off respectively, described button is connected with supply unit, be convenient to observational learning, good operation performance, rationally distributed, unfailing performance is good, ensure that the normal use of button, the actuating signal of every isolator operation rocking bar 200 is transferred to PLC signal output apparatus 9, signal is transferred to the display I 201 corresponding with isolator operation rocking bar 200 through PLC signal output apparatus 10 after PLC programmable controller 8 judges, press the button 203 corresponding with isolator operation rocking bar 200, its actuating signal is all transferred to PLC signal output apparatus 9, signal is transferred to the display II 202 corresponding with isolator operation rocking bar 200 through PLC signal output apparatus 10 after PLC programmable controller judges, when PLC programmable controller judges that sequence of operation makes a mistake, alerting signal can be dealt into down alarm 18, send alarm sound, must faulty operation be return, warning could be removed, the two ends of described first group of wire and the two ends of second group of wire are equipped with aviation plug 14, aviation plug is convenient to connect and maintenance, decrease workload, result of use is good, and the bottom of described base 1 is provided with mobile device 100, be convenient to base move, use under adapting to different teaching environments, simple to operate, Practical Performance is good.
Embodiment two:
A kind of electric substation's training set controlled based on PLC as described in embodiment one, the present embodiment has following difference: described base 1 is provided with boss, the top of described boss is provided with the cavity installed for alternating current air switch, A.C. contactor, auxiliary reclay, PLC programmable controller, PLC signal input apparatus, PLC signal output apparatus, earth fault setting device, connecting terminal block, described boss is provided with cover plate, and described cover plate is provided with handle.
As shown in Figure 4, described operating display be 35kV electric substation embodiment, the operation steps below by way of 35kV1# line:
The power transmission simulated operation of a) 35kV1# line → 35KV I section of bus → 1# main transformer → 10kV I section of bus → 10kV2# outlet: lower first isolator operation rocking bar 34 is upwards beaten at closing position, actuating signal is transferred to PLC signal output apparatus 9, signal is transferred to the first display I 35 through PLC signal output apparatus 10 after PLC programmable controller 8 judges, its vertical direction is shown red, upper second isolator operation rocking bar 21 is upwards beaten at closing position, the display of second display I 31 vertical direction is red, press the first button 24, make the first display II 32 vertical direction display red, now 35KV I section of bus is charged, first pilot lamp 38 shows redness, 3rd isolator operation rocking bar 36 is upwards beaten at closing position, 3rd display I 46 vertical direction display is red, press the second button 57, second display II 48 vertical direction is shown red, now 1# main transformer 49 puts into operation, 4th isolator operation rocking bar 59 is upwards beaten at closing position, 4th display I 52 vertical direction display is red, press the 3rd button 58, make the 3rd display II 50 vertical direction display red, now 10kV I section of bus is charged, second pilot lamp 54 shows redness, lower 5th isolator operation rocking bar 67 is upwards beaten at closing position, 5th display I 65 vertical direction display is red, upper 6th isolator operation rocking bar 60 is upwards beaten at closing position, 6th display I 53 vertical direction display is red.Press the 4th button 66, make the 4th display II 63 vertical direction display red.Complete the power transmission simulated operation of this circuit;
The power transmission simulated operation of b) 35kV1# line → 35KV II section of bus → 1# main transformer → 10kV I section of bus → 2# outlet: upper second isolator operation rocking bar 21 is upwards beaten at closing position, the display of second display I 31 vertical direction is red, lower 7th isolator operation rocking bar 26 is upwards beaten at closing position, 7th display I 25 vertical direction display is red, press the first button 24, make the first display II 32 vertical direction display red, now 35KV II section of bus is charged, 3rd pilot lamp 37 shows redness, 8th isolator operation rocking bar 55 is upwards beaten at closing position, 8th display I 56 vertical direction display is red, press the second button 57, second display II 48 vertical direction is shown red, now 1# main transformer 49 puts into operation, 4th isolator operation rocking bar 59 is upwards beaten at closing position, 4th display I 52 vertical direction display is red, press the 3rd button 58, make the 3rd display II 50 vertical direction display red, now 10kV I section of bus is charged, second pilot lamp 54 shows redness, upper 6th isolator operation rocking bar 60 is upwards beaten at closing position, 6th display I 53 vertical direction display is red, lower 5th isolator operation rocking bar 67 is upwards beaten at closing position, 5th display I 65 vertical direction display is red.Press the 4th button 66, make the 4th display II 63 vertical direction display red, complete the power transmission simulated operation of this circuit.
C) the power transmission simulated operation of 35kV1# line → 35KV I section of bus → 2# main transformer: in a circuit, when 35KV I section of bus is charged, after first pilot lamp 38 shows redness, lower 9th isolator operation rocking bar 45 is upwards beaten at closing position, 9th display I 44 is vertically green to display, upper tenth isolator operation rocking bar 40 is upwards beaten at closing position, tenth display I 39 vertical direction display is green, press the 5th button 43, make the 5th display II 42 horizontal direction display green, complete the power transmission simulated operation of this circuit;
D) the power transmission simulated operation of 35kV1# line → 35KV II section of bus → 2# main transformer: in b circuit, when 35KV II section of bus is charged, after second pilot lamp 37 shows redness, lower 9th isolator operation rocking bar 45 is upwards beaten at closing position, 9th display I 44 vertical direction display is green, upper tenth isolator operation rocking bar 40 is upwards beaten at closing position, tenth display I 39 vertical direction display is green, press the 5th button 43, make the 5th display II 42 horizontal direction display green, complete the power transmission simulated operation of this circuit;
E) when pressing the 6th button 41, the 5th display II 42 vertical direction display is green, disconnects the electrical connection of 35kV I section of bus → 35kV II section of bus;
F) the interconnected operation of 10kV I section of bus and 10kV II section of bus has: situation in 10kV I section of bus → 10kV II section of bus and 10kV II section of bus → 10kV I section of bus two.
If 10kV I section of bus is charged; 11 isolator operation rocking bar 69 is upwards beaten at closing position, and the 11 display I 68 vertical direction display is red, and the 12 isolator operation rocking bar 74 is upwards beaten at closing position, and the 12 display I 73 vertical direction display is red.Press the 7th button 72, make the 6th display II 71 horizontal direction display red, realize the operation of 10kV I section of bus → 10kV II section of bus; Can press the 8th button 70 makes the 6th display II 71 vertical direction display green, disconnects the electrical connection of 10kV I section of bus → 10kV II section of bus.
If 10kV II section of bus is charged; 12 isolator operation rocking bar 74 is upwards beaten at closing position, 12 display I 73 vertical direction display is red, 11 isolator operation rocking bar 69 is upwards beaten at closing position, 11 display I 68 vertical direction display is red, press the 7th button 72, make the 6th display II 71 vertical direction display red, realize the operation of 10kV II section of bus → 10kV I section of bus, can press the 8th button 70 makes the 6th display II 71 vertical direction display green, disconnects the electrical connection of 10kV II section of bus → 10kV I section of bus.
G) power failure operation illustrates for the power failure operation of 2# outlet → 10kV I section of bus → 1# main transformer → 35KV II section of bus → 35kV1# line: power failure simulated operation: press the 9th button 64, make the 4th display II 63 horizontal direction display green, lower 5th isolator operation rocking bar 67 is beaten at open position downwards, and the 5th display I 65 horizontal direction display is green.Upper 6th isolator operation rocking bar 60 is beaten at open position downwards, 6th display I 53 horizontal direction display is green, press the tenth button 51, make the 3rd display II 50 horizontal direction display green, now 10kV I section of bus dead electricity, second pilot lamp 54 extinguishes, 4th isolator operation rocking bar 59 is beaten at open position downwards, 4th display I 52 horizontal direction display is green, press the 11 button 47, second display II 48 horizontal direction is shown green, now 1# main transformer 49 is out of service, 8th isolator operation rocking bar 55 is beaten at open position downwards, 8th display I 56 horizontal direction display is green, press the 12 button 33, make the first display II 32 horizontal direction display green, now 35KV II section of bus dead electricity, 3rd pilot lamp 37 extinguishes, lower 7th isolator operation rocking bar 26 is beaten at open position downwards, 7th display I 25 horizontal direction display is green, upper second isolator operation rocking bar 21 is beaten in the display of open position second display I 31 horizontal direction green downwards, complete the power transmission simulated operation of this circuit,
2, troubleshooting.
As pressed recovery button 16 in Fig. 5, actuating signal is transferred to PLC signal output apparatus 9, signal is transferred to fault alarm 28 through PLC signal output apparatus 10 after PLC programmable controller 8 judges, fault alarm 28 sends alarm sound, emergency light 29 flash red light.The involution button 30 that can push for emergency is removed and is reported to the police, and strict lookup method is: the circuit of 35kV looks at that a ground signalling lamp 23 makes noly to have prompting, is then 35kV section ground connection, can operates response element and remove grounding alarm if any prompting; Whether ground connection can look at that voltage table 61 is that the display of that phase mark meter voltage of that section is abnormal to 10kV section, just can judge it is the ground connection roughly situation of 10kV I section and 10kV II section, with searching, until find faulty line of the mode of operation loop, loop had a power failure.
Electric substation's analogue simulation training is achieved by PLC programmable controller controls operating display, solve the train problems of electricity consumption operating personnel, fast lifting student can teach training quality, network access operation electrician qualification rate is significantly promoted, operate directly perceived, vivid, main points that easy grasp is learned, produce effects height, solve practical operation more complicated, the difficult problem grasping operation, allow trainee can grasp the overall picture of training system operation, also achieve the examination to actual operational capacities such as trainee's grid switching operation, malfunction eliminations simultaneously.
Claims (4)
1., based on electric substation's training set that PLC controls, it is characterized in that: comprise base (1), be fixedly connected on the operating display (2) on base (1), in described base (1), be provided with alternating current air switch (5), A.C. contactor (6), auxiliary reclay (7), PLC programmable controller (8), earth fault setting device (13), connecting terminal block (12), at least one PLC signal input apparatus (9), at least one PLC signal output apparatus (10), described alternating current air switch (5), A.C. contactor (6), auxiliary reclay (7), PLC signal input apparatus (9), PLC programmable controller (8), PLC signal output apparatus (10), earth fault setting device (13) is all connected with connecting terminal block (12) by first group of wire, described base (1) is provided with the supply unit (4) connected for operating display (2), and described base (1) is provided with one and supply unit (4), PLC programmable controller (8), PLC signal input apparatus (9), the attaching plug (3) that PLC signal output apparatus (10) is electrically connected, described operating display (2) comprises case shell (76), be arranged on the analog line plate (75) in case shell, the warning device on analog line plate is arranged on respectively by second group of wire, some isolator operation rocking bars (200), some for showing the display I (201) of cross disconnector (5) state, some for showing the display II (202) of circuit-breaker status, some voltage tables (61), described isolator operation rocking bar (200) is electrically connected with PLC signal input apparatus (9), described display I (201), display II (202), warning device, voltage table (61) is electrically connected with PLC signal output apparatus (10) respectively, described supply unit (4) is 24V continuous-current plant, one end of described 24V continuous-current plant is connected with attaching plug, the other end of described 24V continuous-current plant and warning device, display I, display II, voltage table is electrically connected, and described warning device comprises back brake alarm (18), fault alarm (28), described analog line plate is provided with emergency light (29) and warning involution button (30), described fault alarm (28) is connected with PLC signal output apparatus (10), described back brake alarm (18) is connected with isolator operation rocking bar (200), and described earth fault setting device (13) comprises installing plate (17), some are arranged on installing plate (17) for arranging the recovery button (16) of fault-signal, be rotationally connected on a mounting board for covering the cover plate (15) of recovery button by hinge (171), described cover plate is provided with protection insulation course (151), described base (1) is provided with cavity (101), described base (1) has the opening that makes cavity (101) and extraneous contact, described base (1) is connected with the protective door (102) that a fan makes opening seal, described alternating current air switch (5), A.C. contactor (6), auxiliary reclay (7), PLC programmable controller (8), PLC signal input apparatus (9), PLC signal output apparatus (10), earth fault setting device (13), connecting terminal block (12) is all fixedly connected in cavity (101).
2. a kind of electric substation's training set controlled based on PLC according to claim 1, it is characterized in that: described operating display (2) is provided with start button (19), stop button (20), controls the button (203) of isolator operation rocking bar duty and the pilot lamp (204) for the energising of display simulation wiring board or power-off respectively, and the described button (203) controlling isolator operation rocking bar duty is respectively connected with supply unit.
3. a kind of electric substation's training set controlled based on PLC according to claim 1, is characterized in that: the two ends of described first group of wire and the two ends of second group of wire are equipped with aviation plug (14).
4. a kind of electric substation's training set controlled based on PLC according to claim 1, is characterized in that: the bottom of described base (1) is provided with mobile device (100).
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| CN105654821A (en) * | 2014-11-24 | 2016-06-08 | 北京北研兴电力仪表有限责任公司 | Fault simulation apparatus for electrical control system of transformer equipment |
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| CN202948602U (en) * | 2012-11-22 | 2013-05-22 | 郑州万特电气有限公司 | Training device of disconnecting switch electric operating mechanism |
| CN203673691U (en) * | 2014-01-27 | 2014-06-25 | 浙江时通电气制造有限公司 | Substation training device based on PLC control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000347558A (en) * | 1999-06-04 | 2000-12-15 | Mitsubishi Electric Corp | Air traffic controller training device |
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|---|---|---|---|---|
| CN2427873Y (en) * | 2000-06-09 | 2001-04-25 | 张敬学 | Three phase on-load voltage regulation box type distribution apparatus |
| CN201311721Y (en) * | 2008-11-26 | 2009-09-16 | 中国石油天然气管道局 | Signal detection system of simulation safety early-warning operation button in pipeline substation |
| CN202475013U (en) * | 2011-12-25 | 2012-10-03 | 陕西航天西诺美灵电气有限公司 | Intelligent power distribution device |
| CN202434105U (en) * | 2011-12-27 | 2012-09-12 | 嘉兴市佳乐科仪有限公司 | Teaching experiment system having frequency-conversion speed-regulation simulation load |
| CN202948602U (en) * | 2012-11-22 | 2013-05-22 | 郑州万特电气有限公司 | Training device of disconnecting switch electric operating mechanism |
| CN203673691U (en) * | 2014-01-27 | 2014-06-25 | 浙江时通电气制造有限公司 | Substation training device based on PLC control |
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