CN203706533U - Power distribution system practical training device - Google Patents
Power distribution system practical training device Download PDFInfo
- Publication number
- CN203706533U CN203706533U CN201320881251.6U CN201320881251U CN203706533U CN 203706533 U CN203706533 U CN 203706533U CN 201320881251 U CN201320881251 U CN 201320881251U CN 203706533 U CN203706533 U CN 203706533U
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- China
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- power distribution
- main circuit
- distribution system
- training device
- control flow
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Abstract
The utility model discloses a power distribution system practical training device comprising a control screen divided into an upper portion and a lower portion; the upper portion of the control screen refers to a commercial power distribution system, the lower portion of the control screen refers to an industrial power distribution system; the commercial power distribution system comprises a commercial power distribution main circuit provided with a single-phase voltage regulator and an adjustable load; the control screen lower portion comprises an industrial power distribution main circuit provided with a three-phase transformer and different loads, and a multifunctional display meter is arranged on the industrial power distribution main circuit between the three-phase transformer and the different loads. The technical scheme can carry out power supply system power distribution performance feature tests, can complete observation radial and annular passing power distribution circuits, can measure transmission efficiency, potential decrease and voltage adjustment are carried out, and diameter of wire cord effect and transformation effect are realized; line length loss can be displayed, and the relation between effective power rate and transmission power rate is displayed so as to help students and teachers for mastering and researching power supply and distribution system knowledge.
Description
Technical field
The utility model belongs to education demonstration equipment field, is specifically related to a kind of simulation electric power system power system actual training device.
Background technology
Pilot demonstration is imparted knowledge to students as the important component part in modern science education system, utilize instruments used for education student to be carried out to the demonstration of scientific knowledge, more image, directly perceived, improve student's manipulative ability, student is easier to understand and accepts knowledge, the especially stronger scientific knowledge of some theoretical properties, through the demonstration of instruments used for education and operation personally, student could be more deep understand its principle, understand its application.
Utility model content
For meeting request for utilization in prior art, the utility model provides a kind of distribution system actual training device, and this actual training device can provide the Performance Characteristics experiment of typical power distribution system, can complete through radially with the observation of belt power distribution circuit; Measure transfer efficiency, electromotive force declines and voltage-regulation, diameter of wire cord effect and transformation effect; The loss of circuit length, the relation between useful power and delivering power; Realize more specifically the performance test of electric system distribution.
For reaching above object, the technical solution adopted in the utility model is: a kind of distribution system actual training device is provided, and this actual training device comprises control flow, and described control flow is divided into upper and lower two parts, described control flow top is divided into people's power distribution system, and described control flow bottom is divided into industrial power distribution systems; Described people's power distribution system comprises Domestic distribution main circuit, and described Domestic distribution main circuit is provided with single-phase voltage regulator and tunable load; Described control flow bottom is divided and is comprised industrial power distribution main circuit, and described industrial power distribution main circuit is provided with three-phase transformer and different loads, and the industrial power distribution main circuit between described three-phase transformer and different loads is provided with multi-functional demonstration instrument.
Further, on described Domestic distribution main circuit and industrial power distribution main circuit, be equipped with protective relay, described protective relay is electrically connected with computing machine and software.
Further, on described Domestic distribution main circuit and industrial power distribution main circuit, be also provided with current regulator, described current regulator is electrically connected with described protective relay.
Further, multi-functional demonstration instrument is reometer, voltage table and power meter.
Useful technique effect of the present utility model is:
(1) the utility model is by being provided with transformer and load on distribution main circuit, can complete through radially with the observation of belt power distribution circuit; Measure transfer efficiency, electromotive force declines and voltage-regulation, diameter of wire cord effect and transformation effect; The loss of circuit length, the relation between useful power and delivering power.
(2) the utility model actual training device is for each large professional colleges provides distribution system practical operation platform, makes the student can be to the grasp of double-bus distribution system and research.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model distribution system actual training device;
Fig. 2 is the structural representation of part on the utility model distribution system actual training device control flow;
Fig. 3 is the structural representation of part under the utility model distribution system actual training device control flow.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As Figure 1-3, provide a kind of distribution system actual training device, this actual training device comprises control flow, described control flow is arranged on control desk, described control flow is divided into upper and lower two parts, and described control flow top is divided into people's power distribution system, and described control flow bottom is divided into industrial power distribution systems; Described people's power distribution system comprises Domestic distribution main circuit 6, and described Domestic distribution main circuit 6 is provided with single-phase voltage regulator 5 and tunable load 7; Described control flow bottom is divided and is comprised industrial power distribution main circuit 2, described industrial power distribution main circuit 2 is provided with three-phase transformer 1 and different loads 3, industrial power distribution main circuit 2 between described three-phase transformer 1 and different loads 3 is provided with multi-functional demonstration instrument 4, multi-functional demonstration instrument 4 is reometer, voltage table and power meter, can detect the electric current in circuit, voltage and power.
This technical scheme, for each large professional colleges provides power supply-distribution system practical operation platform, makes student have a understanding more intuitively to distribution system, to help student and teacher to power supply-distribution system mastery of knowledge and research.
On Domestic distribution main circuit 6 and industrial power distribution main circuit 2, be equipped with protective relay 8, described protective relay 8 can protect whole equipment safety, can also detection line and ground current, ground voltage ground connection frequency, demonstration and analysis of failure interference.Can relay be set from basic control flow, also can arrange from panel, also can be connected on suitable computing machine and software with cable.In the time that user finds fault, relay, by disconnecting circuit, guarantees the safety of whole experiment table.
On Domestic distribution main circuit and industrial power distribution main circuit, be also provided with current regulator, current regulator is electrically connected with protective relay.Its variation according to voltage regulates electric current, protection test platform.
This actual training device can be connected with other parts of equipment, completes more experiment.Detailed simulated field figure and clearly label are helped classmate better understanding.
Control flow the first half also comprises low dc voltage, low alternating voltage and variable resistor.These resistance simulation feedback cable.Student can connect feedback circuit learn the to go in ring work principle of circuit and radial circuit.
Control flow the latter half also comprises two three-phase transformers, main circuit and loads, simulates industrial power division.
Industrial power distribution main circuit, has the parameters such as intelligent electric meter monitoring voltage, electric current, power for different distance, different loads, selects different loads according to different research.
The belt circuit of Domestic distribution and radial circuit research, regulator potentiometer is simulated each user's loading condition.
Whole device, by the control of microcomputer control protection system, is connected to the distribution output of different distance on industrial power distribution main circuit on microcomputer protecting device.Be connected on fault setting area by microcomputer protecting device output, be connected to different loads by the output of fault setting area, adjusting load, operating troubles setting completes relay protection experimental.
Control flow comprises the reometer of all experiment needs, voltage table and power meter.
Wherein, RESISTIVE LOAD3 organizes same ohmic load, 4 gears of every component, and it is infinitely great that resistance is respectively, 170 Europe, 125 Europe, 70 Europe.
INDUCTIVE LOAD3 organizes same inductive load, 4 gears of every component, and it is infinitely great that sense value is respectively, 260mH, 130mH, 130mH.
CAPACITIVE LOAD3 organizes same capacitive load, 4 gears of every component, and it is infinitely great that capacitance is respectively, 20uF, 23uF, 40uF.
110V DELTA RESISTIVE LOAD3 organizes same ohmic load and connects into triangle, 4 gears of every component, three A while simultaneously rotating to 1 grade, B, between C, any 2 groups of resistances are infinitely great, three A while simultaneously rotating to 2 grades, B, between C, any 2 groups of resistances are 330 Europe, three A while simultaneously rotating to 3 grades, B, between C, any 2 groups of resistances are 165 Europe, three A while simultaneously rotating to 4 grades, B, between C, any 2 groups of resistances are 111 Europe.
POWER INDICATOR three-phase-voltage monitoring, lacking any phase voltage pilot lamp can be not bright.
Basic parameter to actual training device and technical parameter describe below:
Power supply (standalone module): three-phase 5KVA, 50Hz
Power supply (being PS160 maincenter): three-phase 380V, 16A, 50Hz
25 ℃ to+55 ℃ of storage temperature: – (in transportation)
Working temperature :+5 ℃ to+40 ℃
Working relative humidity: it is 80% that temperature is less than <31 ℃, when temperature is that 40 ℃ of straight lines drop to 50%
Transformer: 2 150VA input AC240V output AC30V
1 three-phase Dy type transformer 5KVA380V/400V
1 three-phase Dy transformer 3KVA input 198V/203.5/209/214.5/220V/225.5/231/236.5/242V output 110V
Threephase load: 220V Y-connection impedance, inductance and electric capacity
Below the operation of actual training device is described:
PS130 adopts three-phase five-wire mode input, can connect separately experiment table back side Power Input port and carry out independently-powered.Modular power system hub air plug and the PS160 combination that also can connect the experiment table back side are powered by PS160 is unified.While starting experiment table, want the first sky at the closed experiment table back side to open (power supply separately), and then the sky in closed experiment table front is opened, or directly open experiment table front sky open (being powered by PS160) experiment before please first by the emergency control port short circuit of experiment table side, all buttons are pushed to open position, then according to requirement of experiment wiring, after confirmation wiring is errorless, open successively switch and test.After having tested, all switches please be disconnected, determine that whole system does not have after electricity, connecting line to be pulled down, put in order and leave.
Distribution system actual training device of the present utility model is not limited to above-mentioned embodiment, and those skilled in the art draw other embodiment according to the technical solution of the utility model, belongs to equally technological innovation scope of the present utility model.
Claims (4)
1. a distribution system actual training device, comprises control flow, it is characterized in that: described control flow is divided into upper and lower two parts, and described control flow top is divided into people's power distribution system, and described control flow bottom is divided into industrial power distribution systems; Described people's power distribution system comprises Domestic distribution main circuit (6), and described Domestic distribution main circuit (6) is provided with single-phase voltage regulator (5) and tunable load (7); Described control flow bottom is divided and is comprised industrial power distribution main circuit (2), described industrial power distribution main circuit (2) is provided with three-phase transformer (1) and different loads (3), and the industrial power distribution main circuit (2) between described three-phase transformer (1) and different loads (3) is provided with multi-functional demonstration instrument (4).
2. distribution system actual training device as claimed in claim 1, is characterized in that: described Domestic distribution
On main circuit (6) and industrial power distribution main circuit (2), be equipped with protective relay, described protection relay
Device is electrically connected with computing machine and software.
3. distribution system actual training device as claimed in claim 2, is characterized in that: on described Domestic distribution main circuit (6) and industrial power distribution main circuit (2), be also provided with current regulator, described current regulator is electrically connected with described protective relay.
4. the distribution system actual training device as described in claim 1-3 any one, is characterized in that: multi-functional demonstration instrument (4) is reometer, voltage table and power meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881251.6U CN203706533U (en) | 2013-12-30 | 2013-12-30 | Power distribution system practical training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881251.6U CN203706533U (en) | 2013-12-30 | 2013-12-30 | Power distribution system practical training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706533U true CN203706533U (en) | 2014-07-09 |
Family
ID=51056937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881251.6U Expired - Fee Related CN203706533U (en) | 2013-12-30 | 2013-12-30 | Power distribution system practical training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109598996A (en) * | 2018-11-02 | 2019-04-09 | 深圳供电局有限公司 | Load cutting training system for distribution transformer area |
-
2013
- 2013-12-30 CN CN201320881251.6U patent/CN203706533U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109598996A (en) * | 2018-11-02 | 2019-04-09 | 深圳供电局有限公司 | Load cutting training system for distribution transformer area |
| CN109598996B (en) * | 2018-11-02 | 2021-01-29 | 深圳供电局有限公司 | Load cutting training system for distribution transformer area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20161230 |