CN104900118A - 10kV distribution network fault somatosensory training device - Google Patents
10kV distribution network fault somatosensory training device Download PDFInfo
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- CN104900118A CN104900118A CN201510215694.5A CN201510215694A CN104900118A CN 104900118 A CN104900118 A CN 104900118A CN 201510215694 A CN201510215694 A CN 201510215694A CN 104900118 A CN104900118 A CN 104900118A
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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Abstract
The invention provides a 10kV distribution network fault somatosensory training device. The 10kV distribution network fault somatosensory training device comprises a boost system, a long line simulation system and a fault demonstration system. The boost system comprises a power total switch, a power control unit, a voltage adjusting unit, a boost transformer and a high-voltage line voltage display unit. The long line simulation system is a simulation line of a three-phase high-voltage line, and the simulation line is connected with the boost transformer and a step-down transformer used for simulating a low-voltage user. The simulation line is provided with a capacitance switching system, a single-phase grounding demonstration device, a line phase-failure demonstration device and an on-load drawing isolation knife demonstration device. The fault demonstration system is a wireless remote control system. According to the invention, the 10kV distribution network fault somatosensory training device can demonstrate the normal operation state, the single-phase grounding fault, the on-load drawing knife malicious maloperaiton and the line phase-failure fault of a 10kV distribution network line.
Description
Technical field
The present invention relates to power industry safety training pseudo-experience device, be specifically related to a kind of 10kV Distribution Network Failure body sense Practical training equipment.
Background technology
The property loss that China causes because of electric power accident every year and casualties countless, sum up reason wherein except awareness of safety thin, operate lack of standardization, in violation of rules and regulations etc. in addition.And safety in production is the eternal theme of electric power enterprise, for reducing and avoiding security incident to occur, carrying out education in safe production methods training is one of Main Means.Traditional electric power safety training is mainly carried out in the mode of preach and electricity safety accident case training, and training contents is outmoded, training means are single, cannot adapt to the training request of modern power network already.
But, due to the restriction of power industry working condition, consider from the security of electric power netting safe running and training, also can not carry out safety education and training at production run scene.The various phenomena of the failure occurred when running to allow circuit are presented in face of student in Training Room, and design a kind of equipment and can demonstrate the various faults that 10kV distribution occurs when actual motion, meeting the demand of safety training, is imperative.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, thus a kind of 10kV Distribution Network Failure body sense Practical training equipment of training the various and handling safety of demo function is provided.
To achieve these goals, the technical solution adopted in the present invention is: a kind of 10kV Distribution Network Failure body sense Practical training equipment, and it comprises booster system, long transmission line simulation system and malfunction demo system; Described booster system comprises battery main switch, power control unit, voltage regulation unit and step-up transformer T2; Described power control unit is connected to three-phase supply by described battery main switch, described step-up transformer T2 connects described power control unit by described voltage regulation unit, be in series with overcurrent protection module between described step-up transformer T2 and described voltage regulation unit, described overcurrent protection module is connected with described power control unit; Described long transmission line simulation system is the analog line of simulation 10kV bus, and described analog line connects described step-up transformer T2 and the step-down transformer T4 for simulating low-voltage customer; Described analog line is provided with capacitor switching system, voltage of high-voltage line display module, single-phase earthing apparatus for demonstrating, on-load drawing isolation switch apparatus for demonstrating, breakage of circuit phase apparatus for demonstrating; Described capacitor switching system comprises three-phase isolation switch, reactor and capacitor, and described three-phase isolation switch controls input on analog line of described reactor and described capacitor and exits; Described voltage of high-voltage line display module comprises resitstance voltage divider and voltage table, and described resitstance voltage divider samples the magnitude of voltage of described step-up transformer outgoing side analog line, and described voltage table is measured and shown magnitude of voltage; Described single-phase earthing apparatus for demonstrating comprises ground rod, electric pushrod, current transformer and reometer, described ground rod connect described analog line wherein a phase and with reference to form ground loop, described electronic ground rod push rod promotes the contact of described ground rod or disconnects described analog line, described current transformer detects the ground current value in ground loop, and described reometer is for showing described ground current value; Described on-load broaching tool lock apparatus for demonstrating comprises single-phase isolation switch, electric knife gate push rod and current-limiting apparatus for demonstrating arcing electric discharge phenomena, described electric knife gate push rod promote described single-phase isolation switch deciliter, described current-limiting apparatus and described single-phase isolation switch are connected on described analog line and appoint between two-phase; Described breakage of circuit phase apparatus for demonstrating comprises and is arranged on the isolation switch and the load pilot lamp being connected to each phase outgoing side of step-down transformer and voltage table that described analog line respectively goes up mutually; Described wireless remote-control system arranges wireless remote control emitter, wireless remote controlled receiver and high tension loop control system, described wireless remote control emitter sending controling instruction, described wireless remote controlled receiver is sent to described high tension loop control system after receiving steering order, described high tension loop control system controls described electronic ground rod push rod, described electric knife gate push rod, described single-phase isolation switch and described three-phase isolation switch according to steering order.
Based on above-mentioned, described voltage regulation unit adopts automatic coupling voltage regulator T1.
Based on above-mentioned, described long transmission line simulation system comprises 3 wooden line bars, pillar insulators and is used for simulating the steel pipe of actual pole line, and described pillar insulator is arranged on described wooden line bar, and described steel pipe is fixedly mounted on described pillar insulator.
Based on above-mentioned, this 10kV Distribution Network Failure body sense Practical training equipment also configures display case, described display case arranges cabinet, described display case arranges described high-tension voltmeter, described reometer, described low voltage voltage table, described pilot bulb, be connected to the voltage table that described step-down transformer low-pressure side is used to indicate described step-down transformer low pressure side line magnitude of voltage low-voltage line, and be used for changing described step-down transformer low pressure side line voltage and show separate universal seclector.
Based on above-mentioned, this 10kV Distribution Network Failure body sense Practical training equipment also comprises joint operation platform, and described joint operation platform arranges described battery main switch; Be used to indicate the primary voltage table of the line voltage of electric power incoming line, described primary voltage list catenation is to the input end of described automatic coupling voltage regulator T1; Be used to indicate the pressure regulation voltage table of the output voltage of described automatic coupling voltage regulator T1; The reometer of the electric current of described step-up transformer low pressure input side is shown for phase-splitting; The broaching tool lock voltage indicating gauge of input voltage value when being used to indicate on-load broaching tool lock; The broaching tool brake current indicating gauge of the current value of low-pressure side during index strip load broaching tool lock.
Hinge structure of the present invention has outstanding substantive distinguishing features and marked improvement, specifically, the present invention can carry out the demonstration of 10kV distribution line normal operating condition, singlephase earth fault demonstration can be carried out, the pernicious maloperation demonstration of on-load broaching tool lock can be carried out, the demonstration of breakage of circuit phase fault can be carried out.Can the various visual phenomenons of 10kV Distribution Network Failure be presented in face of trainee by demonstration, there is very strong shock sense, thus reach good training experiences effect.Wireless remote-control system operating equipment is adopted to substantially increase the security of operability and operation.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is electrical block diagram of the present invention.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of 10kV Distribution Network Failure body sense Practical training equipment, it comprises booster system, long transmission line simulation system and malfunction demo system.
Described booster system comprises battery main switch QF1, power control unit, voltage regulation unit, step-up transformer T2 and voltage of high-voltage line display unit.
Described voltage regulation unit adopts automatic coupling voltage regulator T1, described power control unit adopts A.C. contactor JC1, three-phase supply is connected to by described battery main switch QF1, described A.C. contactor JC1 is accessed between the input end of described automatic coupling voltage regulator T1 and described battery main switch QF1, the input end of described step-up transformer T2 connects the output terminal of described automatic coupling voltage regulator T1, be in series with by overcurrent protection module between described step-up transformer T2 and described automatic coupling voltage regulator T1, described overcurrent protection module connects described A.C. contactor JC1, wherein, described overcurrent protection module comprises the output terminals A being connected to described automatic coupling voltage regulator T1, B, current transformer TA1-TA3 on C three-phase and current relay DL1-DL3, arbitrary mutually in current transformer acquisition circuit in electric current give current relay in loop, this current relay action when the current value in loop exceedes the setting value of current relay, after current relay action, the coil losing electricity of described A.C. contactor JC1 disconnects, the power supply of cut-out equipment, play a protective role to described step-up transformer T2, when any phase overload of A, B, C, equipment all can be protected.
Described long transmission line simulation system is the analog line of simulation 10kV bus, and described analog line connects described step-up transformer T2 and the step-down transformer T4 for simulating low-voltage customer; When actual setting, described long transmission line simulation system comprises 3 wooden line bars, pillar insulator and steel pipes, described wooden line bar for simulating cement pole, as the main body of analog line; The support that described pillar insulator serves analog line is held concurrently the effect of insulation, is arranged on described wooden line bar; Described steel pipe is fixedly mounted on described pillar insulator, is used for simulating actual pole line.
Described analog line is provided with capacitor switching system, single-phase earthing apparatus for demonstrating, breakage of circuit phase apparatus for demonstrating, on-load drawing isolation switch apparatus for demonstrating.
Described capacitor switching system comprises three-phase isolation switch, reactor and capacitor, concrete, 10kV bus arranges three-phase isolation switch K1, reactor T3 and capacitor, described three-phase isolation switch controls input on analog line of described reactor and described capacitor and exits, and described reactor T3 and described capacitor are respectively used to reactance value over the ground and the ground capacitance value of simulating 10kV bus.
Described voltage of high-voltage line display module comprises resitstance voltage divider and high-tension voltmeter, the magnitude of voltage of described resitstance voltage divider sampling simulation circuit, and described high-tension voltmeter is measured and shown magnitude of voltage; As installed A phase resistance voltage divider, B phase resistance voltage divider, C phase resistance voltage divider and three high-tension voltmeters on analog line A, B, C three-phase respectively, the low side of three resitstance voltage dividers connects together the reference ground of welding system, form wye connection, measured voltage is the phase voltage of analog line, send high-tension voltmeter to show each phase voltage respectively after sampling.
Described single-phase earthing apparatus for demonstrating comprises ground rod K2, electric pushrod, current transformer and reometer, described ground rod K2 connect described analog line wherein a phase and with reference to form ground loop, described electronic ground rod K2 push rod promotes described ground rod K2 and contacts or disconnect described analog line, described current transformer detects the ground current value in ground loop, and described reometer is for showing described ground current value; For A phase analog line ground connection, A phase is connected by described ground rod K2 and system reference ground, after ground rod K2 closes, A phase becomes ground connection reference edge, the low side of A phase resistance voltage divider is also connected with A, therefore the measurement result of A phase resistance voltage divider is 0V, and the measurement result of B phase and C phase is consistent with real single-phase earthing parameter, the reometer simultaneously in ground loop detects ground current.
Described on-load broaching tool lock apparatus for demonstrating comprises single-phase isolation switch, electric knife gate push rod and current-limiting apparatus for demonstrating arcing electric discharge phenomena, described electric knife gate push rod promote described single-phase isolation switch deciliter, described current-limiting apparatus and described single-phase isolation switch are connected on described analog line and appoint between two-phase, and described current-limiting apparatus is used for working current maximum in limit circuit.As in 10kV circuit between A, C phase access as described in on-load broaching tool lock apparatus for demonstrating, when described single-phase isolation switch K3 in a separate process, at the incision position of disconnecting link by producing that continue, huge electrical discharge arc, until disconnecting link is separated into maximum position arc extinction; When disconnecting link is separated into centre position and stops, electric arc can continue to burn again.
Described breakage of circuit phase apparatus for demonstrating comprises and is arranged on isolation switch that described analog line respectively goes up mutually and is arranged on load pilot lamp and the low voltage voltage table that step-down becomes each phase outgoing side.As installed an isolation switch K4 in 10kV bus C phase, when isolation switch K4 opens, user's step-down transformer high-pressure side C phase is broken phase, be reflected to step-down transformer low-voltage customer C phase load and lose voltage, C phase bulb extinguishes, and A, B phase bulb is dimmed a little, and namely 10kV circuit is single-phase breaks mutually, this phase load of corresponding low-pressure side user will lose voltage, and the voltage on other two phase loads reduces a little.
Described malfunction demo system is wireless remote-control system, described wireless remote-control system arranges wireless remote control emitter, wireless remote controlled receiver and high tension loop control system, described wireless remote control emitter sending controling instruction, described wireless remote controlled receiver is sent to described high tension loop control system after receiving steering order, described high tension loop control system controls described electronic ground rod push rod K2, described electric knife gate push rod K1, described single-phase isolation switch K3 and described three-phase isolation switch K1 according to steering order.
In order to synthesis display equipment state, the present invention is configured with joint operation platform, wherein, described joint operation platform arranges described battery main switch; Be used to indicate the primary voltage table of the line voltage of electric power incoming line, described primary voltage list catenation is to the input end of described automatic coupling voltage regulator T1; Be used to indicate the pressure regulation voltage table of the output voltage of described automatic coupling voltage regulator T1; The reometer of the electric current of described step-up transformer low pressure input side is shown for phase-splitting; The broaching tool lock voltage indicating gauge of input voltage value when being used to indicate on-load broaching tool lock; The broaching tool brake current indicating gauge of the current value of low-pressure side during index strip load broaching tool lock; Wireless remote control control knob, presses this wireless remote control control knob and carries out wireless remote control control.
Based on simplifying the operation and intuitively showing demonstration result, present device also configures display case, and described display case arranges cabinet, and described cabinet arranges described high-tension voltmeter, is used to indicate A, B, C three-phase voltage value of 10kV bus; Described reometer, is used to indicate ground current value during single-phase earthing; Described low voltage voltage table, is used to indicate A, B, C three-phase voltage value of low-voltage customer load when breakage of circuit is demonstrated mutually; Described pilot bulb, is used to indicate low-voltage customer load when breakage of circuit is demonstrated mutually; Low-voltage line voltage table, is connected to described step-down transformer low-pressure side, is used to indicate the value of described step-down transformer low pressure side line voltage; Universal seclector, is used for changing the display of described step-down transformer low pressure side line voltage separate.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (5)
1. a 10kV Distribution Network Failure body sense Practical training equipment, is characterized in that: it comprises booster system, long transmission line simulation system and malfunction demo system; Described booster system comprises battery main switch, power control unit, voltage regulation unit and step-up transformer T2; Described power control unit is connected to three-phase supply by described battery main switch, described step-up transformer T2 connects described power control unit by described voltage regulation unit, be in series with overcurrent protection module between described step-up transformer T2 and described voltage regulation unit, described overcurrent protection module is connected with described power control unit; Described long transmission line simulation system is the analog line of simulation 10KV bus, and described analog line connects described step-up transformer T2 and the step-down transformer T4 for simulating low-voltage customer; Described analog line is provided with capacitor switching system, voltage of high-voltage line display module, single-phase earthing apparatus for demonstrating, on-load drawing isolation switch apparatus for demonstrating, breakage of circuit phase apparatus for demonstrating; Described capacitor switching system comprises three-phase isolation switch, reactor and capacitor, and described three-phase isolation switch controls input on analog line of described reactor and described capacitor and exits; Described voltage of high-voltage line display module comprises resitstance voltage divider and voltage table, and described resitstance voltage divider samples the magnitude of voltage of described step-up transformer outgoing side analog line, and described voltage table is measured and shown magnitude of voltage; Described single-phase earthing apparatus for demonstrating comprises ground rod, electric pushrod, current transformer and reometer, described ground rod connect described analog line wherein a phase and with reference to form ground loop, described electronic ground rod push rod promotes the contact of described ground rod or disconnects described analog line, described current transformer detects the ground current value in ground loop, and described reometer is for showing described ground current value; Described on-load broaching tool lock apparatus for demonstrating comprises single-phase isolation switch, electric knife gate push rod and current-limiting apparatus for demonstrating arcing electric discharge phenomena, described electric knife gate push rod promote described single-phase isolation switch deciliter, described current-limiting apparatus and described single-phase isolation switch are connected on described analog line and appoint between two-phase; Described breakage of circuit phase apparatus for demonstrating comprises and is arranged on the isolation switch and the load pilot lamp being connected to each phase outgoing side of step-down transformer and voltage table that described analog line respectively goes up mutually; Described wireless remote-control system arranges wireless remote control emitter, wireless remote controlled receiver and high tension loop control system, described wireless remote control emitter sending controling instruction, described wireless remote controlled receiver is sent to described high tension loop control system after receiving steering order, described high tension loop control system controls described electronic ground rod push rod, described electric knife gate push rod, described single-phase isolation switch and described three-phase isolation switch according to steering order.
2. 10kV Distribution Network Failure body sense Practical training equipment according to claim 1, is characterized in that: described voltage regulation unit adopts automatic coupling voltage regulator T1.
3. 10kV Distribution Network Failure body sense Practical training equipment according to claim 2, it is characterized in that: described long transmission line simulation system comprises 3 wooden line bars, pillar insulators and is used for simulating the steel pipe of actual pole line, described pillar insulator is arranged on described wooden line bar, and described steel pipe is fixedly mounted on described pillar insulator.
4. 10kV Distribution Network Failure body sense Practical training equipment according to claim 2, it is characterized in that: this 10kV Distribution Network Failure body sense Practical training equipment also configures display case, described display case arranges cabinet, described display case arranges described high-tension voltmeter, described reometer, described low voltage voltage table, described pilot bulb, be connected to the voltage table that described step-down transformer low-pressure side is used to indicate described step-down transformer low pressure side line magnitude of voltage low-voltage line, and be used for changing described step-down transformer low pressure side line voltage and show separate universal seclector.
5. 10kV Distribution Network Failure body sense Practical training equipment according to claim 2, is characterized in that: this 10kV Distribution Network Failure body sense Practical training equipment also comprises joint operation platform, and described joint operation platform arranges described battery main switch; Be used to indicate the primary voltage table of the line voltage of electric power incoming line, described primary voltage list catenation is to the input end of described automatic coupling voltage regulator T1; Be used to indicate the pressure regulation voltage table of the output voltage of described automatic coupling voltage regulator T1; The reometer of the electric current of described step-up transformer low pressure input side is shown for phase-splitting; The broaching tool lock voltage indicating gauge of input voltage value when being used to indicate on-load broaching tool lock; The broaching tool brake current indicating gauge of the current value of low-pressure side during index strip load broaching tool lock.
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Cited By (8)
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| CN105186523A (en) * | 2015-10-30 | 2015-12-23 | 国网北京市电力公司 | Determination method and determination device for installation position of voltage regulator in overhead line |
| CN106920445A (en) * | 2017-04-30 | 2017-07-04 | 国网江苏省电力公司职业技能训练基地 | A kind of equipment of comprehensive simulation electricity harm |
| CN106952514A (en) * | 2017-04-30 | 2017-07-14 | 国网江苏省电力公司职业技能训练基地 | It is a kind of to simulate the equipment that substation is operated every hotline maintenance |
| CN107248343A (en) * | 2017-06-15 | 2017-10-13 | 杭州易休特科技有限公司 | A kind of distribution net equipment partial discharge failure actual training device |
| CN113178108A (en) * | 2021-03-18 | 2021-07-27 | 国网浙江省电力有限公司温州供电公司 | Strong electric well low pressure enclosed bus trouble salvagees training system |
| WO2022099796A1 (en) * | 2020-11-16 | 2022-05-19 | 贵州电网有限责任公司 | 10 kv distribution network equivalent test low voltage simulation system and simulation method therefor |
| CN114863747A (en) * | 2022-05-16 | 2022-08-05 | 深圳供电局有限公司 | High-voltage power cable fault simulation device |
| CN117409642A (en) * | 2023-11-22 | 2024-01-16 | 应急管理部天津消防研究所 | Wind-solar complementary type transmission and distribution network demonstration and fault simulation device |
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| CN113178108A (en) * | 2021-03-18 | 2021-07-27 | 国网浙江省电力有限公司温州供电公司 | Strong electric well low pressure enclosed bus trouble salvagees training system |
| CN113178108B (en) * | 2021-03-18 | 2023-02-17 | 国网浙江省电力有限公司温州供电公司 | Strong electric well low pressure enclosed bus trouble salvagees training system |
| CN114863747A (en) * | 2022-05-16 | 2022-08-05 | 深圳供电局有限公司 | High-voltage power cable fault simulation device |
| CN117409642A (en) * | 2023-11-22 | 2024-01-16 | 应急管理部天津消防研究所 | Wind-solar complementary type transmission and distribution network demonstration and fault simulation device |
Also Published As
| Publication number | Publication date |
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| CN104900118B (en) | 2018-06-12 |
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