CN203520719U - 10kV power distribution unit actual voltage simulation current closed-loop all-real training system - Google Patents
10kV power distribution unit actual voltage simulation current closed-loop all-real training system Download PDFInfo
- Publication number
- CN203520719U CN203520719U CN201320535638.6U CN201320535638U CN203520719U CN 203520719 U CN203520719 U CN 203520719U CN 201320535638 U CN201320535638 U CN 201320535638U CN 203520719 U CN203520719 U CN 203520719U
- Authority
- CN
- China
- Prior art keywords
- voltage
- power distribution
- computer control
- loop
- real
- 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 32
- 238000000819 phase cycle Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Provided is a 10kV power distribution unit actual voltage simulation current closed-loop all-real training system, comprising a power distribution cabinet system formed by real high and low voltage switchgears, and a computer control system. The power distribution cabinet system comprises real 10kV voltage, a 10kV voltage transformer, a breaker, and a signal acquisition module. The secondary side of the 10kV voltage transformer is connected with the busbar side of the real 10kV voltage. An auxiliary contact of the breaker is connected with the busbar side of the real 10kV voltage. Input ends of the signal acquisition module are connected with output ends of the 10kV voltage transformer and the breaker. An output end of the signal acquisition module is connected with the computer control system. The computer control system is used to output corresponding virtual power supply according to the above voltage signals and on/off status signals of the breaker. Beneficial effects of the system are that a disadvantage that an existing simulation system cannot be operated in reality is overcome, the system can simulate relatively many fault types, and can realize a plurality of different real field scene control modes, functions are complete, and cost is low.
Description
Technical field
The utility model relates to the authentic wiring analogue technique field of power distribution equipment, is specifically related to the authentic training system of a kind of 10kV power distribution equipment real voltage analog current closed loop, for the technical training of the on-the-spot operation of authentic 10kV apparatus and fault simulation and operation.
Background technology
Traditional 10kV typical customers training system can not hot line job, can not be combined with on-the-spot real equipment, various faults that so just cannot real embodiment field apparatus, existence can not true operation drawback, can not meet the requirement of State Grid Corporation of China's training standard to the examination of power marketing employee skills real training.
Summary of the invention
The technical problems to be solved in the utility model is, for prior art above shortcomings, provide a kind of 10kV power distribution equipment real voltage analog current closed loop authentic training system, true energising also can show operating condition, and start-up can on-the-spotly grasp practical operation training and troubleshooting methodology.
The utility model is to solve the problems of the technologies described above adopted technical scheme to be:
The authentic training system of 10kV power distribution equipment real voltage analog current closed loop, comprise the power distribution cabinet system and the computer control system that true High-low voltage switch cabinet, consist of, described power distribution cabinet system comprises true 10kV voltage, 10kV voltage transformer (VT), isolating switch, signal acquisition module; The secondary side of described 10kV voltage transformer (VT) is connected with the bus bar side of true 10kV voltage, for obtaining the voltage signal of 10kV bus bar side, the auxiliary contact of described isolating switch is connected with the bus bar side of true 10kV voltage, for obtaining the close/minute status signal of each isolating switch auxiliary contact correspondence position main contact; The input end of described signal acquisition module is connected to the output terminal of described 10kV voltage transformer (VT) and isolating switch, the output terminal of described signal acquisition module is connected to described computer control system, described computer control system, for according to the close/minute status signal of above-mentioned voltage signal and isolating switch, is exported corresponding virtual power power supply.
Press such scheme, described computer control system comprises upper PC, ethernet communication controller, computer control, PLC controller, wiring switching relay, virtual power power supply, analog loopback and fault display instrument table, described upper PC communicates to connect by ethernet communication controller and computer control, for arranging and each simulated failure state that resets; The output terminal of described PLC controller is connected with the control end of wiring switching relay, for the simulated failure state of upper PC setting is carried out to conversion and control and exports wiring switching relay to; Described virtual power power supply output required voltage; Described analog loopback is connected between virtual power power output end and the contact of wiring switching relay, to realize operation and the fault simulation of authentic 10kV distribution system; Described fault display instrument table and wiring switching relay join.
Press such scheme, described analog loopback includes open circuit fault analog loopback, short-circuit fault simulation loop, reversed polarity fault simulation loop, negative-phase sequence fault simulation loop and voltage insulation decline fault simulation loop.
Press such scheme, described open circuit fault analog loopback, short-circuit fault simulation loop consist of wiring switching relay contact serial or parallel connection circuit.
Press such scheme, two interlock counter-contact of described reversed polarity fault simulation loop, the negative-phase sequence analog loopback wiring switching relay between analog loopback two ends by cross connection form.
Principle of work of the present utility model: the utility model consists of the analog current close loop control circuit of this training system the auxiliary contact of true 10kV voltage and isolating switch, the voltage signal of the true 10kV bus bar side of system acquisition, simultaneously according to system operation mode, gather the close/minute status signal of each isolating switch auxiliary contact, close/minute the status signal of above-mentioned voltage signal and isolating switch is set and coordinates with loaded termination system through computer control system, export corresponding virtual power power supply, produce the various analog current signals (analog current output signal can according to the change that imposes a condition) of corresponding line, the duty in reflection loop, the load that fault display instrument table has been realized under isolating switch on-off state shows online, form this system to work such as the training and examination of electric system related personnel's production skills and system demonstrations, the authentic charged operation conditions of real embodiment 10kV power distribution equipment, equipment and technology requirement and safety requirements and scene are consistent completely, have reflected real site environment." five anti-" function of real equipment, moves while having guaranteed equipment with the on-the-spot consistent and true charged 10kV of equipment and start-up's safety.
The utility model is except each power distribution equipment scene shows on the spot, also can hold on computing machine centralized control and real scale in order to monitor power power-supply output voltage, electric current and power (electric energy) teacher.
The beneficial effect that the utility model compared with prior art has:
1, the utility model is organically combined true 10kV power distribution cabinet system and computer control system, virtual load power supply loading technique, gather the voltage signal of 10kV bus bar side and the close/minute status signal of isolating switch auxiliary contact, by coherent signal, coordinate (combination is controlled) with loaded termination system, according to the subjectivity teaching wish of trainer, by computer control system virtual power power supply, offer the load power electric current of system corresponding state; Also can when 10kV voltage exists, by computer settings control overhead power power-supply, carry out the setting of all kinds of faults, simulation generates corresponding fault, realizes the effect consistent with on-the-spot physical device operation and true fault; Adopt the control system of real voltage and analog current closed loop, guarantee to reflect under authentic 10kV voltage condition and the operating condition of analogue means, training method is pressed close to production reality completely; Having overcome existing analogue system can not real embodiment field apparatus, drawback that can not true operation;
2, the utility model is can simulated failure kind more, realize 10kV power distribution equipment system in various real equipment, true environment, under real voltage, reflect power distribution equipment operating condition and simulate various malfunctions, comprise short circuit, the malfunction such as open circuit, also can control and realize the current polarity reversal connection that power distribution equipment produces due to false wiring, electric current phase sequence is across phase, voltage phase three-wire three and three-phase and four-line conversion, polarity of voltage reversal connection, voltage phase sequence is across phase, various operations and the fault type of a large amount of secondary circuit false wirings of degradation under voltage insulation, meet the safety problem of the training under voltage levels,
3, this system only need arrange the required fault type that arranges in computer control system machine, can automatically realize setting and the recovery of corresponding failure, have true, fast, flexibly, the advantage such as good concealment; Student carries out the skill training operations such as electricity consumption service observation, client's safety inspection, client final acceptance of construction, client operation and fault eliminating in true 10kV power distribution equipment environment, various faults and various protection action that real scene is not easy to occur present completely in training Training Room, become the multi-functional skills practice training system that " teach, learn, practice, examine " is integrated;
4, under the cooperation of virtual power power supply, utilize upper PC to connect by ethernet communication controller, can control a plurality of different failure simulation devices simultaneously, the computer control system executive component of device can be selected PLC or other elements, PLC has the feature that fast speed is stable can guarantee system stability reliability service, realize real field scene control model, equipment is true, environment is true, complete function, cost are low.
Accompanying drawing explanation
Fig. 1 is the authentic training system structural representation of the utility model 10kV power distribution equipment real voltage analog current closed loop;
Fig. 2 is the wiring schematic diagram that the utility model 10kV voltage bus side voltage signal is measured and close/sub-signal of isolating switch is measured;
Fig. 3 is that the structure of the utility model computer control system forms schematic diagram;
Fig. 4 is the access state structural representation of the utility model simulation open circuit fault;
Fig. 5 is the access state structural representation of the utility model short trouble.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is described further.
As shown in Figure 1, the authentic training system of 10kV power distribution equipment real voltage analog current closed loop described in the utility model, comprise the power distribution cabinet system and the computer control system that true High-low voltage switch cabinet, consist of, described power distribution cabinet system comprises true 10kV voltage, 10kV voltage transformer (VT), isolating switch, signal acquisition module; The secondary side of described 10kV voltage transformer (VT) is connected with the bus bar side of true 10kV voltage, for obtaining the voltage signal of 10kV bus bar side, the auxiliary contact of described isolating switch is connected with the bus bar side of true 10kV voltage, for obtaining the close/minute status signal of each isolating switch auxiliary contact correspondence position main contact; The input end of described signal acquisition module is connected to the output terminal of described 10kV voltage transformer (VT) and isolating switch, the output terminal of described signal acquisition module is connected to described computer control system, described computer control system, for according to the close/minute status signal of above-mentioned voltage signal and isolating switch, is exported corresponding virtual power power supply.
The voltage signal of 10kV voltage bus side is obtained by the secondary side of voltage transformer (VT), and whether reflection system is truly charged; Simultaneously according to the position signalling of isolating switch auxiliary contact, above-mentioned two signals are combined to control, and machine control system is set as calculated, exports corresponding virtual power power supply, and the duty of analog loopback, the charging operation situation of real embodiment 10kV power distribution equipment.
For line load situation, can simulate corresponding load condition through virtual power power supply again, reach various normal and fault and abnormal working position under true 10kV voltage, realize various operations under time of day and the simulation of malfunction.
As shown in Figure 2, this system 10kV voltage adopts real power to the wiring schematic diagram that 10kV voltage bus side voltage signal is measured and close/sub-signal of isolating switch is measured, and its power distribution equipment equipment is all equipped with and wiring according to scene is true.Wherein 10kV voltage can, directly from civil power access, also can adopt step-up transformer from laboratory, 380V power supply to be boosted to 10kV and obtain; Signal acquisition module measuring-signal comprises two parts, a part be from 10kV mains side voltage measuring transformer to voltage signal, another part is for dividing/close signal from the isolating switch of main lead-in circuit breaker and each isolating switch acquisition of power distribution equipment, by the combination of measuring-signal, offer computer control system, complete operation and the fault setting of relevant power distribution equipment.
Shown in the structure composition diagram 3 of described computer control system, comprise upper PC, ethernet communication controller, computer control, PLC controller, wiring switching relay, virtual power power supply, analog loopback and fault display instrument table, described upper PC communicates to connect by ethernet communication controller and computer control, for arranging and each simulated failure state that resets; The output terminal of described PLC controller is connected with the control end of wiring switching relay, for the simulated failure state of upper PC setting is carried out to conversion and control and exports wiring switching relay to; Described virtual power power supply output required voltage; Described analog loopback is connected between virtual power power output end and the contact of wiring switching relay, to realize operation and the fault simulation of authentic 10kV distribution system; Described fault display instrument table join with wiring switching relay (identical with scene).
Described analog loopback includes open circuit fault analog loopback, short-circuit fault simulation loop, reversed polarity fault simulation loop, negative-phase sequence fault simulation loop and voltage insulation decline fault simulation loop.
Described open circuit fault analog loopback, short-circuit fault simulation loop consist of wiring switching relay contact serial or parallel connection circuit.As Fig. 4 ~ Figure 5 shows that the simulation open circuit fault of an embodiment of native system, the access state structural representation of short trouble, Figure 4 shows that open circuit fault simulation, in analog loopback, seal in wiring switching relay normally closed contact, when needs arrange loop open circuit fault, computer control PLC controller makes wiring switching relay obtain electric and this loop is disconnected.Figure 5 shows that short-circuit fault simulation, seal in wiring switching relay normally opened contact in analog loopback, when needs arrange loop short trouble, it is electric and by this loop short circuit that PC control PLC controller obtains wiring switching relay.
Two interlock counter-contact of described reversed polarity fault simulation loop, the negative-phase sequence analog loopback wiring switching relay between analog loopback two ends by cross connection form.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
- The authentic training system of 1.10kV power distribution equipment real voltage analog current closed loop, it is characterized in that: comprise the power distribution cabinet system and the computer control system that true High-low voltage switch cabinet, consist of, described power distribution cabinet system comprises true 10kV voltage, 10kV voltage transformer (VT), isolating switch, signal acquisition module; The secondary side of described 10kV voltage transformer (VT) is connected with the bus bar side of true 10kV voltage, for obtaining the voltage signal of 10kV bus bar side, the auxiliary contact of described isolating switch is connected with the bus bar side of true 10kV voltage, for obtaining the close/minute status signal of each isolating switch auxiliary contact correspondence position main contact; The input end of described signal acquisition module is connected to the output terminal of described 10kV voltage transformer (VT) and isolating switch, the output terminal of described signal acquisition module is connected to described computer control system, described computer control system, for according to the close/minute status signal of above-mentioned voltage signal and isolating switch, is exported corresponding virtual power power supply.
- 2. by the authentic training system of 10kV power distribution equipment real voltage analog current closed loop claimed in claim 1, it is characterized in that: described computer control system comprises upper PC, ethernet communication controller, computer control, PLC controller, wiring switching relay, virtual power power supply, analog loopback and fault display instrument table, described upper PC communicates to connect by ethernet communication controller and computer control, for arranging and each simulated failure state that resets; The output terminal of described PLC controller is connected with the control end of wiring switching relay, for the simulated failure state of upper PC setting is carried out to conversion and control and exports wiring switching relay to; Described virtual power power supply output required voltage; Described analog loopback is connected between virtual power power output end and the contact of wiring switching relay, to realize operation and the fault simulation of authentic 10kV distribution system; Described fault display instrument table and wiring switching relay join.
- 3. by the authentic training system of 10kV power distribution equipment real voltage analog current closed loop claimed in claim 2, it is characterized in that: described analog loopback includes open circuit fault analog loopback, short-circuit fault simulation loop, reversed polarity fault simulation loop, negative-phase sequence fault simulation loop and voltage insulation decline fault simulation loop.
- 4. by the authentic training system of 10kV power distribution equipment real voltage analog current closed loop claimed in claim 2, it is characterized in that: described open circuit fault analog loopback, short-circuit fault simulation loop consist of wiring switching relay contact serial or parallel connection circuit.
- 5. by the authentic training system of 10kV power distribution equipment real voltage analog current closed loop claimed in claim 2, it is characterized in that: two interlock counter-contact of described reversed polarity fault simulation loop, the negative-phase sequence analog loopback wiring switching relay between analog loopback two ends by cross connection form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535638.6U CN203520719U (en) | 2013-08-30 | 2013-08-30 | 10kV power distribution unit actual voltage simulation current closed-loop all-real training system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535638.6U CN203520719U (en) | 2013-08-30 | 2013-08-30 | 10kV power distribution unit actual voltage simulation current closed-loop all-real training system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203520719U true CN203520719U (en) | 2014-04-02 |
Family
ID=50379613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535638.6U Expired - Lifetime CN203520719U (en) | 2013-08-30 | 2013-08-30 | 10kV power distribution unit actual voltage simulation current closed-loop all-real training system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203520719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440803A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | True-voltage simulation-current closed-loop all-true training system for 10kV power distribution device |
| CN109697912A (en) * | 2019-03-07 | 2019-04-30 | 郑州大信科技有限公司 | A kind of power distribution network O&M experience system |
| CN109933107A (en) * | 2019-03-21 | 2019-06-25 | 福建省同金电力科技有限公司 | A kind of intelligent electric appliance complete set of equipments |
| CN113345288A (en) * | 2021-05-25 | 2021-09-03 | 安徽南瑞中天电力电子有限公司 | Software and hardware cooperative multi-scene power utilization fault simulation method |
-
2013
- 2013-08-30 CN CN201320535638.6U patent/CN203520719U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440803A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | True-voltage simulation-current closed-loop all-true training system for 10kV power distribution device |
| CN103440803B (en) * | 2013-08-30 | 2016-02-03 | 国家电网公司 | The authentic training system of 10kV power distribution equipment real voltage analog current closed loop |
| CN109697912A (en) * | 2019-03-07 | 2019-04-30 | 郑州大信科技有限公司 | A kind of power distribution network O&M experience system |
| CN109933107A (en) * | 2019-03-21 | 2019-06-25 | 福建省同金电力科技有限公司 | A kind of intelligent electric appliance complete set of equipments |
| CN113345288A (en) * | 2021-05-25 | 2021-09-03 | 安徽南瑞中天电力电子有限公司 | Software and hardware cooperative multi-scene power utilization fault simulation method |
| CN113345288B (en) * | 2021-05-25 | 2023-03-21 | 安徽南瑞中天电力电子有限公司 | Software and hardware cooperative multi-scene power utilization fault simulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103440803B (en) | The authentic training system of 10kV power distribution equipment real voltage analog current closed loop | |
| CN202134154U (en) | Training and examine system for authentic false wiring detection of electric energy metering device | |
| CN103123758B (en) | A kind of dispatching automation numeral physical mixed simulation training system | |
| CN102097024B (en) | Distribution room safety simulation training system | |
| CN101713802B (en) | Fault on-line repairing method for satellite power supply and distribution test system | |
| CN201893058U (en) | Safe simulation training system for distribution room | |
| CN105068022B (en) | For the simulated failure intelligent electric meter of three phase mains and electrical test simulator | |
| CN201853401U (en) | Distribution room simulation system | |
| CN203520719U (en) | 10kV power distribution unit actual voltage simulation current closed-loop all-real training system | |
| CN104483643A (en) | Modeling method based on detection platform of fault indicator for physical simulation of power distribution network | |
| CN103903496A (en) | 10kV digital power distribution room simulation training system | |
| CN104966457A (en) | MCGS interface based maintenance electrician intelligent training and examination system | |
| CN105810062A (en) | 10kV typical customer transformer substation intelligent simulation training system | |
| CN105761569A (en) | 10Kv distribution transformer simulation system | |
| CN204965174U (en) | Power hardware is at ring test system | |
| CN204904704U (en) | Maintenance electrician's intelligence training checking system based on MCGS interface | |
| CN202917090U (en) | Dynamic simulation substation sand table device | |
| CN204720060U (en) | A kind of low voltage electric energy measure device is installed and test training device | |
| CN104091502A (en) | Typical low-tension centralized meter reading and installation training device based on carrier technology | |
| CN202584542U (en) | Comprehensive practical training device of motor control system | |
| CN202735832U (en) | Test device for wind generator set control system | |
| CN108663592A (en) | It is a kind of to towed SVG modular debuggings platform and method | |
| CN203981790U (en) | A kind of combined type backup auto-activating device tester | |
| CN204316171U (en) | A kind of debugging operations platform of automatic change-over controller | |
| CN103064054A (en) | Electric energy measure device simulation system and wiring matrix control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |