CN203910120U - High voltage transformer fault simulation and training device - Google Patents
High voltage transformer fault simulation and training device Download PDFInfo
- Publication number
- CN203910120U CN203910120U CN201420284732.3U CN201420284732U CN203910120U CN 203910120 U CN203910120 U CN 203910120U CN 201420284732 U CN201420284732 U CN 201420284732U CN 203910120 U CN203910120 U CN 203910120U
- Authority
- CN
- China
- Prior art keywords
- simulation
- executive circuit
- switch
- relay
- impedance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 164
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000004821 Contact adhesive Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model relates to a high voltage transformer fault simulation and training device. The device comprises a low voltage current transformer body, a supporting wireless transmitter, a wireless switch control drive and a casing body. An input wiring terminal and an output wiring terminal are respectively arranged on the casing body. A primary side fault simulation switch execution circuit is arranged between the input wiring terminal of the casing body and the primary side of the voltage transformer body. A secondary side fault simulation switch execution circuit is arranged between the secondary side of the voltage transformer body and the output wiring terminal of the casing body. The primary side fault simulation switch execution circuit and the secondary side fault simulation switch execution circuit are electrically connected with the wireless switch control drive. The high voltage transformer fault simulation and training device can reproduce various field faults, and has the advantages of high training efficiency and good field consistency.
Description
Technical field
The utility model relates to a kind of teaching training apparatus, particularly a kind of high voltage potential transformer fault simulation actual training device.
Background technology
Voltage transformer (VT) (TV) is the sensor that measurement, measuring instrument obtain primary voltage information, for measuring apparatus, whether the wiring of voltage transformer (VT) correct very important, if any wiring error, will cause the value of measuring electric energy to change, can not normally measure, even cannot measure, when serious, will cause the damage of instrument and meter, equipment; More seriously, in mutual inductor place wiring error, probably cause equipment damage or human casualty accident to occur.Current training apparatus mainly contains, the real equipment consistent with on-the-spot physical device and intelligent simulation training apparatus, but for training, all there is comparatively serious deficiency in these two kinds of equipment:
1. on-the-spot real system: the emulation training that hardware carries out, because being utilizes field apparatus to give training, each producer's difference is little, and cost of investment is compared relatively low with smart machine, and with on-the-spot high conformity, particularly the result of training of fitting operation class is better.The most obvious deficiency is to reproduce fault, is not easy to principle study, and training efficiency is extremely low, lacks the comprehensive and theoretical property of professional knowledge.
2. existing intelligent simulation training system: uninteresting, dull man-machine interface lacks the sense of reality, distinct issues are poor with on-the-spot consistance, and the operation training of wiring class can not be installed.Can not make start-up's integral body comprehensively go to understand the wiring of device, its inner structure, with on-the-spot widely different, therefore cannot excite the dense learning interest of start-up, can not initiatively go to understand and learn situation and the reason of on-the-spot false wiring.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of high voltage potential transformer fault simulation actual training device is provided, and it can reproduce various field failures, for student, analyze, effective enhancement training teaching efficiency, training efficiency is high, and with on-the-spot high conformity, make student's learning initiative high.
The technical solution of the utility model is: a kind of high voltage potential transformer fault simulation actual training device, comprise voltage transformer (VT) body and matching used wireless launcher, wireless switching is controlled driver, described wireless switching is controlled driver and voltage transformer (VT) body is all arranged in a housing, on described housing, be respectively equipped with input wires terminal and output wiring terminal, between the input wires terminal of described housing and the primary side of voltage transformer (VT) body, be provided with primary side fault simulation switch executive circuit, between the secondary side of described voltage transformer (VT) body and the output wiring terminal of housing, be provided with secondary side fault simulation switch executive circuit, described primary side fault simulation switch executive circuit, secondary side fault simulation switch executive circuit is all controlled actuator electrical with wireless switching and is connected, described remote control transmitter is controlled driver for the failure control signal of operator's input is passed to wireless switching by wireless mode, described wireless switching is controlled driver for receiving the failure control signal of remote control transmitter, control primary side fault simulation switch executive circuit and realize the primary side path of voltage transformer (VT) body, open circuit and switch simulation, control secondary side fault simulation switch executive circuit and realize adding of voltage transformer (VT) body, subtractive polarity is switched simulation, impedance exceeds standard, simulation is normally switched in impedance, and secondary side path, open circuit and switch simulation.
Described primary side fault simulation switch executive circuit comprises primary side path, opens circuit and switch simulation executive circuit, described primary side path, the switching simulation executive circuit that opens circuit comprise relay normally closed contact, and described relay normally closed contact is connected between the input wires terminal of housing and the primary side of voltage transformer (VT) body.
Described secondary side fault simulation switch executive circuit comprises three kinds of simulation executive circuits, be respectively add, subtractive polarity switches simulation executive circuit, impedance exceeds standard, simulation executive circuit and secondary side path are normally switched in impedance, the switching simulation executive circuit that opens circuit, and three kinds of simulation executive circuits are connected on respectively between the secondary side of voltage transformer (VT) body and the output wiring terminal of housing.
Described adding, subtractive polarity is switched simulation executive circuit and is comprised relay switch contact J3-1 and relay switch contact J3-2, the moving contact of relay switch contact J3-1 is electrically connected to the K1 of the secondary side of voltage transformer (VT) body end, normally closed contact and the impedance of relay switch contact J3-1 exceed standard, the first input end that simulation executive circuit is normally switched in impedance is electrically connected to, normally opened contact and the impedance of relay switch contact J3-1 exceed standard, the second input end that simulation executive circuit is normally switched in impedance is electrically connected to, the moving contact of relay switch contact J3-2 is electrically connected to the K2 of the secondary side of voltage transformer (VT) body end, normally opened contact and the impedance of relay switch contact J3-1 exceed standard, the first input end that simulation executive circuit is normally switched in impedance is electrically connected to, normally closed contact and the impedance of relay switch contact J3-2 exceed standard, the second input end that simulation executive circuit is normally switched in impedance is electrically connected to.
Described impedance exceeds standard, impedance is normally switched simulation executive circuit and comprised relay normally closed contact, the two ends of relay normally closed contact are parallel with resistance, described relay normally closed contact be connected on add, subtractive polarity is switched simulation executive circuit and secondary side path, open circuit to switch and simulate between executive circuit.
Described secondary side path, open circuit and switch simulation executive circuit and comprise relay normally closed contact, described relay normally closed contact is connected on that impedance exceeds standard, impedance is normally switched between simulation executive circuit and the output wiring terminal of housing.
Compared with prior art, the beneficial effects of the utility model are: due to this high voltage potential transformer fault simulation actual training device, comprise voltage transformer (VT) body and matching used wireless launcher, wireless switching is controlled driver, described wireless switching is controlled driver and voltage transformer (VT) body is all arranged in a housing, on described housing, be respectively equipped with input wires terminal and output wiring terminal, between the input wires terminal of described housing and the primary side of voltage transformer (VT) body, be provided with primary side fault simulation switch executive circuit, between the secondary side of described voltage transformer (VT) body and the output wiring terminal of housing, be provided with secondary side fault simulation switch executive circuit.The utility model can reproduce various field failures by primary side, secondary side fault simulation switch executive circuit, for student, analyzes, and consolidates the knowwhy at classroom learning, student can be accomplished theoretical in conjunction with actual, has greatly improved training efficiency.By this device, reproduce various field failures, needn't arrive again on-the-spot real training, in the process of training, can save human and material resources and time.
Because the utility model is real in kind, high voltage potential transformer fault simulation actual training device of the present utility model and on-the-spot high conformity, student can understand structure, layout, the cabling of on-the-spot real electric power meter, can excite the dense learning interest of start-up, know from experience more deeply, avoid student in real work because training causes error with the different of scene.Because the utility model is real in kind, can also allow student that the operation training of wiring class is installed, improve and start the ability of practice, thereby avoiding causing making a fault in real work in default of practice causes unnecessary economic loss and personal injury.After the utility model and electric energy meter are connected, regulate fault simulation switch executive circuit, can also show the difference that electric energy meter that different wiring faults causes is measured for student.
Described fault simulation switch executive circuit is controlled actuator electrical with wireless switching and is connected, described remote control transmitter is controlled driver for the failure control signal of operator's input is passed to wireless switching by wireless mode, described wireless switching is controlled driver for receiving the failure control signal of remote control transmitter, control primary side fault simulation switch executive circuit and realize the primary side path of voltage transformer (VT) body, open circuit and switch simulation, control secondary side fault simulation switch executive circuit and realize adding of voltage transformer (VT) body, subtractive polarity is switched simulation, impedance exceeds standard, simulation is normally switched in impedance, and secondary side path, open circuit and switch simulation.By wireless mode, control fault simulation switch executive circuit, student does not know the fault that tutor arranges, the technical examination of being more convenient for to student.
Four kinds of field failures of the utility model simulation all will affect the measurement of electric energy meter, and the system of measuring will reduce, thereby affect the economic benefit of Utilities Electric Co., so allow above 4 kinds of trainee's profound understanding the mode of connection and grasp the correct mode of connection, not only guaranteed the safety of the person and equipment, can also be anti-electricity-theft, thus the economic benefit of Utilities Electric Co. improved.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the circuit diagram of primary side fault simulation switch executive circuit of the present utility model and secondary side fault simulation switch executive circuit;
Fig. 3 is the structural representation of housing of the present utility model.
In accompanying drawing, 1 is wireless launcher, and 2 control driver for wireless switching, and 3 is voltage transformer (VT) body, and 4 is primary side fault simulation switch executive circuit, and 5 is secondary side fault simulation switch executive circuit, and 6 is housing, and 61 is base plate, and 62 is outer cover.
Embodiment
Referring to Fig. 1 to Fig. 3, a kind of high voltage potential transformer fault simulation actual training device, comprise voltage transformer (VT) body 3 and matching used wireless launcher 1, wireless switching is controlled driver 2, described wireless switching is controlled driver and voltage transformer (VT) body is all arranged in a housing 6, on described housing, be respectively equipped with input wires terminal and output wiring terminal, between the input wires terminal of described housing and the primary side of voltage transformer (VT) body, be provided with primary side fault simulation switch executive circuit 4, between the secondary side of described voltage transformer (VT) body and the output wiring terminal of housing, be provided with secondary side fault simulation switch executive circuit 5, described primary side fault simulation switch executive circuit, secondary side fault simulation switch executive circuit is all controlled actuator electrical with wireless switching and is connected, described remote control transmitter is controlled driver for the failure control signal of operator's input is passed to wireless switching by wireless mode, described wireless switching is controlled driver for receiving the failure control signal of remote control transmitter, control primary side fault simulation switch executive circuit and realize the primary side path of voltage transformer (VT) body, open circuit and switch simulation, control secondary side fault simulation switch executive circuit and realize adding of voltage transformer (VT) body, subtractive polarity is switched simulation, impedance exceeds standard, simulation is normally switched in impedance, and secondary side path, open circuit and switch simulation.
Described primary side fault simulation switch executive circuit comprises primary side path, opens circuit and switch simulation executive circuit, described primary side path, the switching simulation executive circuit that opens circuit comprise relay normally closed contact J1(relay J 1), described relay normally closed contact J1 is connected on the A end line between the input wires terminal of housing and the primary side of voltage transformer (VT) body or on B end line.Also can be on the A end line between the input wires terminal of housing and the primary side of voltage transformer (VT) body, on B end line, relay normally closed contact is all set, be respectively relay normally closed contact J1 and relay normally closed contact J2.The corresponding relay J 1 of relay normally closed contact J1.The corresponding relay J 2 of relay normally closed contact J2.The present embodiment is on the A end line between the input wires terminal of housing and the primary side of voltage transformer (VT) body, all arrange relay normally closed contact on B end line.Physical circuit is: described primary side path, the switching simulation executive circuit that opens circuit comprise relay normally closed contact J1 and relay normally closed contact J2, described relay normally closed contact J1 is connected between the A end of the input wires terminal A of housing and the primary side of voltage transformer (VT) body, and described relay normally closed contact J2 is connected between the B end of the input wires terminal B of housing and the primary side of voltage transformer (VT) body.
Described secondary side fault simulation switch executive circuit comprises three kinds of simulation executive circuits, be respectively add, subtractive polarity switches simulation executive circuit, impedance exceeds standard, simulation executive circuit and secondary side path are normally switched in impedance, the switching simulation executive circuit that opens circuit, and three kinds of simulation executive circuits are connected on respectively between the secondary side of voltage transformer (VT) body and the output wiring terminal of housing.The order of these three kinds of simulation executive circuit series connection can be adjusted.The scheme that the present embodiment adopts is: add, subtractive polarity switches simulation executive circuit, impedance exceeds standard, simulation executive circuit and secondary side path are normally switched in impedance, open circuit and switch simulation executive circuit and be connected on successively between the secondary side of voltage transformer (VT) body and the output wiring terminal of voltage transformer (VT) housing.
Physical circuit is as follows:
Described adding, subtractive polarity is switched simulation executive circuit and is comprised relay switch contact J3-1 and relay switch contact J3-2(relay J 3), the moving contact of relay switch contact J3-1 is electrically connected to the K1 of the secondary side of voltage transformer (VT) body end, normally closed contact and the impedance of relay switch contact J3-1 exceed standard, the first input end (being one end of relay normally closed contact J4) that simulation executive circuit is normally switched in impedance is electrically connected to, normally opened contact and the impedance of relay switch contact J3-1 exceed standard, the second input end (being one end of relay normally closed contact J5) that simulation executive circuit is normally switched in impedance is electrically connected to, the moving contact of relay switch contact J3-2 is electrically connected to the K2 of the secondary side of voltage transformer (VT) body end, normally opened contact and the impedance of relay switch contact J3-1 exceed standard, the first input end (being one end of relay normally closed contact J4) that simulation executive circuit is normally switched in impedance is electrically connected to, normally closed contact and the impedance of relay switch contact J3-2 exceed standard, the second input end (being one end of relay normally closed contact J5) that simulation executive circuit is normally switched in impedance is electrically connected to.
Described impedance exceeds standard, impedance is normally switched simulation executive circuit and comprised relay normally closed contact J4, the two ends of relay normally closed contact J4 are parallel with resistance, described relay normally closed contact J4 be connected on add, subtractive polarity is switched simulation executive circuit and secondary side path, open circuit and switch on a end line of simulating between executive circuit or on b end line.Also can be adding, subtractive polarity switches simulation executive circuit and secondary side path, open circuit and switch on a end line of simulating between executive circuit, on b end line, relay normally closed contact be all set, and is respectively relay normally closed contact J4 and relay normally closed contact J5.The corresponding relay J 4 of relay normally closed contact J4.The corresponding relay J 5 of relay normally closed contact J5.The present embodiment adding, subtractive polarity switches simulation executive circuit and secondary side path, open circuit and switch on a end line of simulating between executive circuit, on b end line, relay normally closed contact be all set.Physical circuit is: described impedance exceeds standard, impedance normally switch simulation executive circuit comprise relay normally closed contact J4(relay J 4) and relay normally closed contact J5(relay J 5), the two ends of relay normally closed contact J4 are parallel with resistance R 1, described relay normally closed contact J4 be connected on add, subtractive polarity is switched simulation executive circuit and secondary side path, open circuit and switch on a end line of simulating between executive circuit.The two ends of relay normally closed contact J5 are parallel with resistance R 2, described relay normally closed contact J5 be connected on add, subtractive polarity is switched simulation executive circuit and secondary side path, open circuit and switch on the b end line of simulating between executive circuit.Because resistance R 1 and resistance R 2 are contact resistance and the conductor resistance of simulation, be generally less than 1 Europe.Described resistance R 1 and resistance R 2 also can change other resistance devices into.
Described secondary side path, open circuit and switch simulation executive circuit and comprise relay normally closed contact J6(relay J 6), described relay normally closed contact J6 is connected on that impedance exceeds standard, impedance is normally switched on a end line between simulation executive circuit and the output wiring terminal of housing or on b end line.Also can exceed standard in impedance, impedance normally switches on a end line between simulation executive circuit and the output wiring terminal of housing, on b end line, relay normally closed contact is all set, and is respectively relay normally closed contact J6 and relay normally closed contact J7.The corresponding relay J 6 of relay normally closed contact J6.The corresponding relay J 7 of relay normally closed contact J7.The present embodiment exceeds standard in impedance, impedance is normally switched on a end line between simulation executive circuit and the output wiring terminal of housing, on b end line, relay normally closed contact is all set.Physical circuit is: described secondary side path, open circuit and switch simulation executive circuit and comprise relay normally closed contact J6(relay J 6) and relay normally closed contact J7(relay J 7), described relay normally closed contact J6 is connected on that impedance exceeds standard, impedance is normally switched and simulated between executive circuit (being the other end of relay normally closed contact J4) and the output wiring terminal a of housing.Described relay normally closed contact J7 is connected on that impedance exceeds standard, impedance is normally switched between simulation executive circuit (being the other end of relay normally closed contact J5) and the output wiring terminal b of housing.
Described housing is to make according to the housing of real high voltage potential transformer, and its structure, outward appearance etc. are all identical with the housing of the on-the-spot real high voltage potential transformer using.So housing of the present utility model also has some different models.The housing of the different model that the utility model can need to be selected according to actual real training, the housing outward appearance of the present embodiment and wiring adopt the housing of the voltage transformer (VT) that model is JDZX10-10, after its inside hollows out, insert low voltage voltage mutual inductor and electronic circuit.The utility model adopts low-voltage simulation high pressure, with the voltage transformer (VT) of 380V/100V, replaces the voltage transformer (VT) of 10000V/100V.Its structure as shown in Figure 3.Described housing 6 comprises base plate 61 and outer cover 62, and described wireless switching is controlled driver, voltage transformer (VT) body is fixed on base plate 61, and described outer cover 62 covers wireless switching control driver, voltage transformer (VT) body is fixedly connected with bed bolt.Described outer cover 62 is provided with two input wires terminal A, B, respectively the primary side of corresponding voltage mutual inductor body.Described outer cover is provided with two output wiring terminal a, b, respectively the secondary side of corresponding voltage mutual inductor body.
Described voltage transformer (VT) body is commercial low voltage voltage mutual inductor (not being with shell), uses low-voltage simulation high pressure, has increased security performance of the present utility model.The voltage transformer (VT) body of the present embodiment adopts the small low-voltage voltage transformer (VT) that model is JDG4-0.5.Voltage transformer (VT) can need to be selected the voltage transformer (VT) of different model according to actual real training.Certainly, voltage transformer (VT) body also can adopt the analog voltage mutual inductor with voltage transformer (VT) function.
It is commercial device that described wireless launcher, wireless switching are controlled driver.Both support the use, and are a kind of radio remote control switch.The present embodiment adopts radio remote control switch, controls respectively the switching simulation of four kinds of functions.If increase to switch analog functuion or reduce, switch analog functuion, the control way of radio remote control switch can be done corresponding adjustment.Described wireless switching control driving implement have the instruction of wireless reception wireless launcher and instruction is decoded after the coil electricity of pilot relay or the function of power-off.It can be various ways that fault simulation of the present utility model is controlled, and can adopt hand switch to control or Control.The utility model can adopt the corresponding relay of a functional simulation, also can adopt the corresponding relay of a switch in Fig. 2.Described wireless launcher be have can accept operator's instruction and operator's instruction is encoded after radio to the function that wireless switching is controlled driver.It is the wireless switch controller of DBY-WS08P that the wireless switching control driver of the present embodiment can adopt model.This wireless switch controller adopts the special-purpose decoding chip of PT2272-M4, can receive the telepilot of PT2262 model.This telepilot is wireless launcher of the present utility model.Physical circuit is as follows:
Described wireless switching is controlled driver and is comprised power pack, wireless receiving module (SH9902), decoder module (PT2272-M4), relay control module.Power pack comprises direct current 12V power supply, and direct current 12V power supply input wireless switching is controlled driver, a road direction relay power supply, and another road is after Three-end voltage stabilizer voltage stabilizing, and output 5V operating voltage, as the power supply of wireless receiving part and decoded portion.Described relay control module comprises triode, relay, the base stage of triode is connected with the output terminal of decoding chip PT2272 through base resistance respectively, the grounded emitter of triode, the collector of triode is connected with one end of the coil of relay, and the other end of the coil of relay connects 12V direct supply.The coil two ends of relay are parallel with respectively commutation diode.Described wireless launcher comprises key-press module, coding module (PT2262), wireless transmitter module (SH9801).Described key-press module is provided with 7 function buttons, is respectively SB1～SB7.
Described coding chip PT2262 has respectively a plurality of data input port, respectively the corresponding data input that receives the button of each key-press module.When a button of the module that pushes button, signal enters in PT2262 coding chip and starts to encode, after coded pulse generator, produce coded pulse signal, due to the coded pulse signal producing a little less than, so signal loading, to the carrier wave of upper frequency, then is transmitted by wireless transmitter module SH9801.The signal of transmitting is received by wireless receiving module SH9902, by wireless receiving module SH9902 output port, be directly connected with the data-in port of decoding chip PT2272, the confirmation that decoding chip carries out coded address determines whether the signal of corresponding transmitter, only have the geocoding of receiving end and the geocoding of transmitting terminal to arrange identical, output terminal just has output signal.The signal that decoding chip PT2272 receives data input pin, true through internal circuit decoding identification, if received Signal Message Address code is identical with this geocoding, the energising of the coil of corresponding relay J 1～J6 in the output terminal output signal pilot relay control module (6 relays) of decoding chip PT2272, thereby control corresponding relay contact action in fault simulation switch executive circuit, correspondence realizes the no-load voltage ratio switching simulation of voltage transformer (VT) body, add, subtractive polarity is switched simulation, impedance exceeds standard, simulation is normally switched in impedance, and secondary side path, open circuit and switch simulation.While again pressing above-mentioned button, remote signal disappears, and after remote signal disappears, all data bit are all output as low level, controls the whole power-off of Liu road relay.
The course of work of the present utility model is as follows:
During not according to any button (original state), mutual inductor primary side A(B, C) be logical state.Press and control the primary side path of wireless launcher, button SB1 or the SB2 of the switching simulation of opening circuit, the coil electricity of relay J 1 or J2, relay normally closed contact J1 or relay normally closed contact J2 disconnect, and now, the once survey of voltage transformer (VT) body is off-state.Again press and control the primary side path of wireless launcher, button SB1 or the SB2 of the switching simulation of opening circuit, the coil blackout of relay J 1 or J2, relay normally closed contact J1 or relay normally closed contact J2 adhesive, the now once survey of voltage transformer (VT) body is closure state.As relay normally closed contact J1 with when relay normally closed contact J2 disconnects or one of them disconnects simultaneously, now once survey as off-state.When relay normally closed contact J1 and relay normally closed contact J2 while closure, now for primary side is closure state (logical state).Therefore can find to break and all will affect the measurement of measuring apparatus mutually at primary side any.
During not according to any button (original state), mutual inductor secondary side is subtractive polarity state.Press and control adding of wireless launcher, subtractive polarity is switched the button SB3 of simulation, the coil electricity of relay J 3, the moving contact of relay switch contact J3-1 separates with its normally closed contact, with its normally opened contact adhesive, the moving contact of relay switch contact J3-2 separates with its normally closed contact, with its normally opened contact adhesive, relay switch contact J3-1 and relay switch contact J3-2 move (the similar double-point double-throw switch of relay switch contact J3-1 and relay switch contact J3-2 simultaneously, adopt a linked switch can replace relay switch contact J3-1 and relay switch contact J3-2, realize manually and controlling), now, voltage transformer (VT) body is switched to additive polarity state from subtractive polarity state.Again press the adding of wireless launcher, subtractive polarity is switched analogue-key SB3, the coil blackout of relay J 3, the moving contact of relay switch contact J3-1 separates with its normally opened contact, with its normally closed contact adhesive, the moving contact of relay switch contact J3-2 separates with its normally opened contact, with its normally closed contact adhesive, now, voltage transformer (VT) body is switched to subtractive polarity state from additive polarity state.And measuring apparatus is only under subtractive polarity condition, could normally measure.The in the situation that of additive polarity, electric energy meter will reduce the system of reversion or measurement.
During not according to any button (original state), transformer secondary circuit is impedance normal condition.Press button SB4 or the SB5 that impedance exceeds standard, simulation is normally switched in impedance that control wireless launcher, the coil electricity of relay J 4 or J5, relay normally closed contact J4 or relay normally closed contact J5 disconnect, on resistance R 1 or resistance R 2 accesses add, subtractive polarity is switched simulation executive circuit and secondary side path, open circuit between switching simulation executive circuit a end line or b end line, now, the secondary of voltage transformer (VT) body is surveyed as the impedance state that exceeds standard.The control group of again pressing wireless launcher exceeds standard, simulation is normally switched in impedance button SB4 or SB5, the coil blackout of relay J 4 or J5, relay normally closed contact J4 or relay normally closed contact J5 adhesive, now, the secondary of voltage transformer (VT) body is surveyed as impedance normal condition.As relay normally closed contact J4 with when relay normally closed contact J5 disconnects or one of them disconnects simultaneously, now the secondary of voltage transformer (VT) body is surveyed as the impedance state that exceeds standard.When relay normally closed contact J4 and relay normally closed contact J5 while closure, now the secondary of voltage transformer (VT) body is surveyed as impedance normal condition.When impedance exceeds standard, can fall by normal pressure, measuring apparatus is exerted an influence, cause measuring apparatus inaccurate.
During not according to any button (original state), mutual inductor secondary side A(B, C) be logical state.Press and control the secondary side path of wireless launcher, button SB6 or the SB7 of the switching simulation of opening circuit, the coil electricity of relay J 6 or J7, relay normally closed contact J6 or relay normally closed contact J7 disconnect, and now, the secondary of voltage transformer (VT) body is surveyed as off-state.Again press the control secondary side path of wireless launcher, button SB6 or the SB7 of the switching simulation of opening circuit, the coil blackout of relay J 6 or J7, relay normally closed contact J6 or relay normally closed contact J7 adhesive, now the secondary of voltage transformer (VT) body is surveyed as closure state.As relay normally closed contact J6 with when relay normally closed contact J7 disconnects or one of them disconnects simultaneously, now secondary is surveyed as off-state.When relay normally closed contact J6 and relay normally closed contact J7 while closure, now for secondary side is closure state (logical state).Secondary side broken string will have a strong impact on measurement mechanism and measure.
The utility model can reproduce various field failures by fault simulation switch executive circuit, for student, analyzes, and consolidates the knowwhy at classroom learning, student can be accomplished theoretical in conjunction with actual, has greatly improved training efficiency.And the utility model can also allow student that the operation training of wiring class is installed, improve and to start the ability of practice, thereby avoiding causing making a fault in real work in default of practice causes unnecessary economic loss and personal injury.The utility model can also be shown for student the difference of the electric energy meter measurement that different wiring faults causes.And high voltage potential transformer fault simulation actual training device of the present utility model and on-the-spot high conformity, can excite the dense learning interest of start-up, learning initiative is high, knows from experience more deeply, avoids student in real work because training causes error with the different of scene.The utility model can also be for student's technical examination.By wireless mode, control fault simulation switch executive circuit, student does not know the fault that tutor arranges, the technical examination of being more convenient for to student.
Four kinds of field failures of the utility model simulation all will affect the measurement of electric energy meter, and the system of measuring will reduce, thereby affect the economic benefit of Utilities Electric Co., so allow above 4 kinds of trainee's profound understanding the mode of connection and grasp the correct mode of connection, not only guaranteed the safety of the person and equipment, can also be anti-electricity-theft, thus the economic benefit of Utilities Electric Co. improved.
The utility model is not only confined to above-described embodiment, and above-described embodiment is optimum embodiment of the present utility model.Various relay contacts in primary side of the present utility model, secondary side fault simulation switch executive circuit can also adopt hand control switch to replace, and select various types of switches, and connect according to circuit diagram according to the circuit diagram of Fig. 2.Now, no longer need wireless launcher, wireless switching to control driver (radio remote control switch), but adopt hand control switch to control four kinds, switch analog functuion.Hand control switch can be arranged on housing.Certainly, also can not adopt radio remote control switch or hand control switch to control fault simulation switch executive circuit, but carry out pilot relay by single-chip microcomputer, PLC module etc., thereby control primary side, secondary side fault simulation switch executive circuit.
Claims (6)
1. a high voltage potential transformer fault simulation actual training device, it is characterized in that: comprise voltage transformer (VT) body and matching used wireless launcher, wireless switching is controlled driver, described wireless switching is controlled driver and voltage transformer (VT) body is all arranged in a housing, on described housing, be respectively equipped with input wires terminal and output wiring terminal, between the input wires terminal of described housing and the primary side of voltage transformer (VT) body, be provided with primary side fault simulation switch executive circuit, between the secondary side of described voltage transformer (VT) body and the output wiring terminal of housing, be provided with secondary side fault simulation switch executive circuit, described primary side fault simulation switch executive circuit, secondary side fault simulation switch executive circuit is all controlled actuator electrical with wireless switching and is connected, described remote control transmitter is controlled driver for the failure control signal of operator's input is passed to wireless switching by wireless mode, described wireless switching is controlled driver for receiving the failure control signal of remote control transmitter, control primary side fault simulation switch executive circuit and realize the primary side path of voltage transformer (VT) body, open circuit and switch simulation, control secondary side fault simulation switch executive circuit and realize adding of voltage transformer (VT) body, subtractive polarity is switched simulation, impedance exceeds standard, simulation is normally switched in impedance, and secondary side path, open circuit and switch simulation.
2. high voltage potential transformer fault simulation actual training device according to claim 1, it is characterized in that: described primary side fault simulation switch executive circuit comprises primary side path, opens circuit and switch simulation executive circuit, described primary side path, the switching simulation executive circuit that opens circuit comprise relay normally closed contact, and described relay normally closed contact is connected between the input wires terminal of housing and the primary side of voltage transformer (VT) body.
3. high voltage potential transformer fault simulation actual training device according to claim 1, it is characterized in that: described secondary side fault simulation switch executive circuit comprises three kinds of simulation executive circuits, be respectively add, subtractive polarity switches simulation executive circuit, impedance exceeds standard, simulation executive circuit and secondary side path are normally switched in impedance, the switching simulation executive circuit that opens circuit, and three kinds of simulation executive circuits are connected on respectively between the secondary side of voltage transformer (VT) body and the output wiring terminal of housing.
4. high voltage potential transformer fault simulation actual training device according to claim 3, it is characterized in that: described in add, subtractive polarity is switched simulation executive circuit and is comprised relay switch contact J3-1 and relay switch contact J3-2, the moving contact of relay switch contact J3-1 is electrically connected to the K1 of the secondary side of voltage transformer (VT) body end, normally closed contact and the impedance of relay switch contact J3-1 exceed standard, the first input end that simulation executive circuit is normally switched in impedance is electrically connected to, normally opened contact and the impedance of relay switch contact J3-1 exceed standard, the second input end that simulation executive circuit is normally switched in impedance is electrically connected to, the moving contact of relay switch contact J3-2 is electrically connected to the K2 of the secondary side of voltage transformer (VT) body end, normally opened contact and the impedance of relay switch contact J3-1 exceed standard, the first input end that simulation executive circuit is normally switched in impedance is electrically connected to, normally closed contact and the impedance of relay switch contact J3-2 exceed standard, the second input end that simulation executive circuit is normally switched in impedance is electrically connected to.
5. high voltage potential transformer fault simulation actual training device according to claim 3, it is characterized in that: described impedance exceeds standard, impedance is normally switched simulation executive circuit and comprised relay normally closed contact, the two ends of relay normally closed contact are parallel with resistance, described relay normally closed contact be connected on add, subtractive polarity is switched simulation executive circuit and secondary side path, open circuit to switch and simulate between executive circuit.
6. high voltage potential transformer fault simulation actual training device according to claim 2, it is characterized in that: described secondary side path, open circuit and switch simulation executive circuit and comprise relay normally closed contact, described relay normally closed contact is connected on that impedance exceeds standard, impedance is normally switched between simulation executive circuit and the output wiring terminal of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284732.3U CN203910120U (en) | 2014-05-30 | 2014-05-30 | High voltage transformer fault simulation and training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284732.3U CN203910120U (en) | 2014-05-30 | 2014-05-30 | High voltage transformer fault simulation and training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910120U true CN203910120U (en) | 2014-10-29 |
Family
ID=51784377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284732.3U Expired - Lifetime CN203910120U (en) | 2014-05-30 | 2014-05-30 | High voltage transformer fault simulation and training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910120U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504976A (en) * | 2014-12-31 | 2015-04-08 | 贵州电力试验研究院 | Mutual inductor three-stage simulation training system and training method thereof |
| CN104900118A (en) * | 2015-04-30 | 2015-09-09 | 郑州万特电气股份有限公司 | 10kV distribution network fault somatosensory training device |
| CN105913712A (en) * | 2016-04-21 | 2016-08-31 | 国网江苏省电力公司职业技能训练基地 | Simulation mutual inductor practical training system |
| CN108777089A (en) * | 2018-06-08 | 2018-11-09 | 国家电网有限公司 | A kind of correct errors with wiring connects electric training system with the dress table of fabrication evaluation |
| CN108847078A (en) * | 2018-06-08 | 2018-11-20 | 国家电网有限公司 | A kind of dress table connects electric training system |
| CN113594739A (en) * | 2021-07-20 | 2021-11-02 | 国网河北省电力有限公司检修分公司 | Variable polarity CT binding post of preventing opening a way under uninterrupted power supply state |
-
2014
- 2014-05-30 CN CN201420284732.3U patent/CN203910120U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504976A (en) * | 2014-12-31 | 2015-04-08 | 贵州电力试验研究院 | Mutual inductor three-stage simulation training system and training method thereof |
| CN104900118A (en) * | 2015-04-30 | 2015-09-09 | 郑州万特电气股份有限公司 | 10kV distribution network fault somatosensory training device |
| CN104900118B (en) * | 2015-04-30 | 2018-06-12 | 郑州万特电气股份有限公司 | A kind of 10kV Distribution Network Failures body-sensing Practical training equipment |
| CN105913712A (en) * | 2016-04-21 | 2016-08-31 | 国网江苏省电力公司职业技能训练基地 | Simulation mutual inductor practical training system |
| CN108777089A (en) * | 2018-06-08 | 2018-11-09 | 国家电网有限公司 | A kind of correct errors with wiring connects electric training system with the dress table of fabrication evaluation |
| CN108847078A (en) * | 2018-06-08 | 2018-11-20 | 国家电网有限公司 | A kind of dress table connects electric training system |
| CN108777089B (en) * | 2018-06-08 | 2024-03-01 | 国家电网有限公司 | Meter-loading electricity-connection training system with wiring correction and process detection |
| CN113594739A (en) * | 2021-07-20 | 2021-11-02 | 国网河北省电力有限公司检修分公司 | Variable polarity CT binding post of preventing opening a way under uninterrupted power supply state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104064081B (en) | Current mulual inductor malfunction simulation and training device | |
| CN203910120U (en) | High voltage transformer fault simulation and training device | |
| CN203909264U (en) | High voltage current transformer fault simulation and training device | |
| CN203069753U (en) | Final-inspection bench for vacuum circuit breaker | |
| CN103077632B (en) | Isolation disconnecting link electric operating mechanism training device | |
| CN108198477A (en) | Electrical test of transformer simulation teaching system | |
| CN104035061A (en) | Voltage transformer fault simulation practical training device | |
| CN102901592A (en) | Magnetic latching relay contact pressure detection and movement testing device and use method thereof | |
| CN203606437U (en) | Intelligent transformer transformation-ratio simulation test device | |
| CN209591246U (en) | A kind of three-phase three-wire electric energy meter device for simulating false wiring with self-checking function | |
| CN108447360A (en) | A kind of three-phase three-wire electric energy meter device for simulating false wiring | |
| CN107527541A (en) | A kind of cable fault emulation centralized control system and emulation training method | |
| CN209388548U (en) | Dielectric loss angle tangent tester teaching simulating device and simulation test item | |
| CN103077644B (en) | Split-phase breaker hydraulic operation mechanism training device | |
| CN103295459B (en) | Numerical control maintenance testing table wireless remote control failure setting device | |
| CN207781032U (en) | 110kV power transformation interval body sense Practical training equipments | |
| CN211319056U (en) | Frequency converter debugging device | |
| CN202815184U (en) | Contact pressure detecting and action testing device for magnetic latching relay | |
| CN202404779U (en) | Ship power station practical training and estimating device | |
| CN202110232U (en) | Electrical failure simulation test box for vehicle | |
| CN107870278B (en) | Transformer test simulation system based on zigbee | |
| CN203746272U (en) | Radio station simulated training system architecture | |
| CN203825163U (en) | Fault simulation device for on-load tap-changer of transformer | |
| CN208985164U (en) | Emulate the fault switch module of power transformer | |
| CN202916374U (en) | Cable test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |