CN106159920A - A kind of 10kV electrical network feeder fault processes physics simulator - Google Patents
A kind of 10kV electrical network feeder fault processes physics simulator Download PDFInfo
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- CN106159920A CN106159920A CN201610771606.4A CN201610771606A CN106159920A CN 106159920 A CN106159920 A CN 106159920A CN 201610771606 A CN201610771606 A CN 201610771606A CN 106159920 A CN106159920 A CN 106159920A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of 10kV electrical network feeder fault and process physics simulator, it is three-phase 10kV booster transformer and the special special transformer of 10kV/380V three-phase five-limb including low voltage three-phase 380V boosting, described low voltage three-phase 380V boosting is provided with two altogether for three-phase 10kV booster transformer, this device can simulate fault and the processing method of 10kV power distribution network under any neutral operation method, makes intelligent controller be applicable to various 10kV power distribution network running environment；May also provide physical modeling's running environment of mode and radioactivity mode hand in hand；By two groups of 10kV power capacitors and simulation mobile trolley, can be with realistic simulation analysis when there is various fault in any part of path of 10kV power distribution network, the dynamic situation of change of failure quantity；By the various methods of operation of system, the transient state stable state situation of change of the fault electric parameter under the various malfunction of sunykatuib analysis, to promote the reliability of 10kV power distribution network, accurate detection and isolation fault section.
Description
Technical field
The present invention relates to distribution system 10kV and supply electrical domain, be specially a kind of 10KV electrical network feeder fault and process physical simulation
Device.
Background technology
Along with the development of national economy, power consumption constantly increases, power supply reliability, the various fault to power system
During generation, the accurately and timely property of troubleshooting is had higher requirement.The various intelligence built in emulation of the computer software system
Market can be answered to give birth to by controller.But the actual motion of 10kV overhead transmission line is the most widely different with emulation of the computer software, this
Device provides the 10kV road overhead transmission line of a kind of reality, it is possible to hand in hand feeder line at the most representational two 10kV
The upper actual physical simulation carrying out various fault；At present the average year power off time of China's 10kV power distribution network compared with American-European, Japan,
The developed countries such as Korea S want gap huge, and power supply reliability is in urgent need to be improved, year power off time length join mainly due to 10kV
Electrical network is when breaking down, and the time searching fault is oversize.Current national electrical network is gone into overdrive, and makes on 10KV power distribution network
Reduce fault outage time and scope with Intellectualized controller, but with regard to current live use intelligent device situation not to the utmost
People's will, reason is that building on the intelligent device of design on computer simulation system can not emulate various completely, practically
The failure mode of 10kV power distribution network, causes Intellectualized controller performance unreliable.
Summary of the invention
It is an object of the invention to provide a kind of 10kV electrical network feeder fault and process physics simulator, to solve the above-mentioned back of the body
The problem proposed in scape technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of 10kV electrical network feeder fault processes physics simulator, is three-phase 10kV liter including low voltage three-phase 380V boosting
Pressure transformer and the special special transformer of 10kV three-phase five-limb, described low voltage three-phase 380V boosting is three-phase 10kV boosting transformation
Device is provided with two altogether, and respectively No. 1 main transformer and No. 2 main transformers, the three-phase end of incoming cables of described No. 1 main transformer and No. 2 main transformers is all by low
Tri-input lines of compression moulding shell master switch and A, B, C are connected, and the three-phase 10kV high-voltage terminal end of No. 1 main transformer respectively with 10kV high pressure
The three-phase end of incoming cables of end of incoming cables special transformer special with 10kV three-phase five-limb of switch RC1 is connected, described No. 1 main transformer with
Connect between the end of incoming cables of 10kV high-voltage switch gear RC1 and have the direct-to-ground capacitance C9 for simulating 1# main transformer mains side 10kV circuit, institute
State the leading-out terminal of the special special transformer of 10kV three-phase five-limb respectively with high voltage connector JL and the stationary contact of high voltage connector JR
Head is connected, and the moving contact of described high voltage connector JL is connected with carrying multitap power inductor L, described high voltage connector
The moving contact of JR is connected with the earth resistance R of low resistance grounding in 10kV simulation, the leading-out terminal of described 10kV high-voltage switch gear RC1
Connecting the end of incoming cables of 10kV high-voltage switch gear F1, the leading-out terminal of described 10kV high-voltage switch gear F1 connects the inlet wire of 10kV high-voltage switch gear F2
End；
The three-phase 10kV high-voltage terminal end of described No. 2 main transformers is connected with 10kV high-voltage switch gear RC2, described No. 2 main transformers and
10kV high-voltage terminal end is connected with the end of incoming cables of high-voltage switch gear RC2, and between No. 2 main transformers and RC2 circuit there is for simulating connection
The direct-to-ground capacitance C12 of 1# main transformer mains side 10kV circuit, the leading-out terminal of described 10kV high-voltage switch gear RC1 and 10kV high-voltage switch gear F3
End of incoming cables be connected, the leading-out terminal of described 10kV high-voltage switch gear F3 is connected with the end of incoming cables of 10kV high-voltage switch gear F4, described 10kV
Connect between high-voltage switch gear F3 and 10kV high-voltage switch gear F4 and have 10kV high-voltage switch gear D1, the leading-out terminal of described 10kV high-voltage switch gear F4
Being connected into and out of line end of L1 is switched with handle respectively with the leading-out terminal of 10kV high-voltage switch gear F2.
Preferably, described 10kV high-voltage switch gear F1,10kV high-voltage switch gear F2,10kV high-voltage switch gear F3,10kV high-voltage switch gear
F4,10kV high-voltage switch gear RC1,10kV high-voltage switch gear RC2 and 10kV high-voltage switch gear D1 is each equipped with the Based Intelligent Control of VTIC scheme
Device.
Preferably, it is provided with one between end and the end of No. 2 main transformer supply lines of described No. 1 main transformer supply line
10kV high-voltage switch gear is as automatic interconnection switch.
Preferably, described No. 1 main transformer, 10kV high-voltage switch gear RC1 load side, 10kV high-voltage switch gear F1,10kV high-voltage switch gear
F2 is until the mains side 10kV circuit of handle switch L1 is provided with a mould being made up of 10kV resistor group and the capacitance group of three-phase
Intend portable No. 1 dolly, 10kV high-voltage switch gear RC2 load side, 10kV high-voltage switch gear F3,10kV high-voltage switch gear F4, handle switch
It is little that the 10kV circuit of L1 load side is provided with a simulation movable type 2 being made up of 10kV resistor group and the capacitance group of three-phase
Car.
Preferably, described power inductor L, direct-to-ground capacitance C9 and the capacitance group common port of direct-to-ground capacitance C12,1# dolly,
The capacitance group common port of 2# dolly is equipped with earth lead.
Compared with prior art, the invention has the beneficial effects as follows: this device can simulate any neutral operation method
The fault of lower 10kV power distribution network and processing method, make intelligent controller be applicable to various 10kV power distribution network running environment；Also can carry
Physical modeling's running environment for mode and radioactivity mode hand in hand；By two groups of 10kV power capacitors and simulation movable type
Dolly, can be with realistic simulation analysis when there is various fault in any part of path of 10kV power distribution network, the dynamic change of failure quantity
Change situation；By the various methods of operation of system, the transient state stable state of the fault electric parameter under the various malfunction of sunykatuib analysis
Situation of change, to promote the reliability of 10kV power distribution network, accurate detection and isolation fault section.
Accompanying drawing explanation
Fig. 1 is primary system schematic diagram of the present invention.
In figure: No. 1 main transformer, No. 2 main transformers, the special special transformer of 10kV three-phase five-limb, direct-to-ground capacitance C9, high pressure contacts
Device JL, high voltage connector JR, power inductor L, 10kV resistance R, 10kV high-voltage switch gear F1,10kV high-voltage switch gear F2,10kV height
Compress switch F3,10kV high-voltage switch gear F4,10kV high-voltage switch gear RC1,10KV high-voltage switch gear RC2, direct-to-ground capacitance C12,10kV high pressure
Switch D1,10kV handle switch L1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme:
A kind of 10kV electrical network feeder fault processes physics simulator, is three-phase 10kV liter including low voltage three-phase 380V boosting
Pressure transformer and the special special transformer of 10kV three-phase five-limb, described low voltage three-phase 380V boosting is three-phase 10kV boosting transformation
Device is provided with two altogether, and respectively No. 1 main transformer and No. 2 main transformers, the three-phase end of incoming cables of described No. 1 main transformer and No. 2 main transformers is all by low
Tri-input lines of compression moulding shell master switch and A, B, C are connected, and the three-phase 10kV high-voltage terminal end of No. 1 main transformer respectively with 10kV high pressure
The three-phase end of incoming cables of end of incoming cables special transformer special with 10kV three-phase five-limb of switch RC1 is connected, described No. 1 main transformer with
Connect between the end of incoming cables of 10kV high-voltage switch gear RC1 and have the direct-to-ground capacitance C9 for simulating 1# main transformer mains side 10kV circuit, institute
State the leading-out terminal of the special special transformer of 10kV three-phase five-limb respectively with high voltage connector JL and the stationary contact of high voltage connector JR
Head is connected, and the moving contact of described high voltage connector JL is connected with carrying multitap power inductor L, described high voltage connector
The moving contact of JR is connected with the earth resistance R of low resistance grounding in 10kV simulation, the leading-out terminal of described 10kV high-voltage switch gear RC1
Connecting the end of incoming cables of 10kV high-voltage switch gear F1, the leading-out terminal of described 10kV high-voltage switch gear F1 connects the inlet wire of 10kV high-voltage switch gear F2
End.
The three-phase 10kV high-voltage terminal end of described No. 2 main transformers is connected with 10kV high-voltage switch gear RC2, described No. 2 main transformers and
10kV high-voltage terminal end is connected with the end of incoming cables of high-voltage switch gear RC2, and between No. 2 main transformers and RC2 circuit there is for simulating connection
The direct-to-ground capacitance C12 of 1# main transformer mains side 10kV circuit, the leading-out terminal of described 10kV high-voltage switch gear RC1 and 10kV high-voltage switch gear F3
End of incoming cables be connected, the leading-out terminal of described 10kV high-voltage switch gear F3 is connected with the end of incoming cables of 10kV high-voltage switch gear F4, described 10kV
Connecting between high-voltage switch gear F3 and 10kV high-voltage switch gear F4 has 10kV high-voltage switch gear D1,10kV high-voltage switch gear F1,10kV height to press off
Close F2,10kV high-voltage switch gear F3,10kV high-voltage switch gear F4,10kV high-voltage switch gear RC1,10kV high-voltage switch gear RC2 and 10kV high pressure
Switch D1 is each equipped with the intelligent controller of VTIC scheme, the leading-out terminal of described 10kV high-voltage switch gear F4 and 10kV high-voltage switch gear F2
Leading-out terminal respectively with handle switch being connected into and out of line end of L1, the end of No. 1 main transformer supply line and No. 2 main transformer supply lines
A 10kV high-voltage switch gear it is provided with as automatic interconnection switch, No. 1 main transformer, 10kV high-voltage switch gear RC1 load between the end on road
Side, 10kV high-voltage switch gear F1,10kV high-voltage switch gear F2 are until the mains side 10kV circuit of handle switch L1 is provided with one by three
Portable No. 1 dolly of simulation that the 10kV resistor group of phase and capacitance group are constituted, 10kV high-voltage switch gear RC2 load side, 10kV high pressure
Switch F3,10kV high-voltage switch gear F4, the 10kV circuit of handle switch L1 load side are provided with one by the 10kV resistor group of three-phase
No. 2 dollies portable with the simulation that capacitance group is constituted, power inductor L, direct-to-ground capacitance C9 and direct-to-ground capacitance C12,1# dolly
Capacitance group common port, the capacitance group common port of 2# dolly are equipped with earth lead.
Operation principle: during simulation isolated neutral system, enabling No. 2 main transformers (is three-phase by low voltage three-phase 380V boosting
10kV booster transformer), by the 10kV line mutual-ground capacitor before C12 power capacitor bank simulated failure point, by No. 2 dollies
Combination type put into the load side network load after simulated failure point, 10kV line capacitance, short trouble, over current fault or various
Ground connection (including various forms of middle resistance, high resistance earthing fault and arc grounding) fault.Owing to eight high-voltage switch gears are each equipped with
Intelligent controller, is connected with server by the communication device of controller, and various transient state when sampling fault occurs are electric, position
Aliquot and stable state are electrically, position aliquot is analyzed；
During simulation neutral by arc extinction coil grounding system, enabling No. 1 main transformer (is three-phase by low voltage three-phase 380V boosting
10kV booster transformer), by the 10kV line mutual-ground capacitor before C9 power capacitor bank simulated failure point, by No. 1 dolly
Combination type put into network load, 10kV line capacitance, short trouble, over current fault or various ground connection after simulated failure point
(including various forms of middle resistance, high resistance earthing fault and arc grounding) fault.While analogue ground fault, pass through JLThrow
Enter power inductor to simulate arc suppression coil compensating system, owing to eight high-voltage switch gears are each equipped with intelligent controller, by control
The communication device of device processed is connected with server, various transient state when sampling fault occurs electrically, position aliquot and stable state electrically,
Position aliquot is analyzed；
During simulation Neutral Point Through Low Resistance system, enabling No. 1 main transformer (is three-phase 10kV by low voltage three-phase 380V boosting
Booster transformer), by the 10kV line mutual-ground capacitor before C9 power capacitor bank simulated failure point, by the group of No. 1 dolly
Network load, 10kV line capacitance, short trouble, over current fault or various ground connection after box-like input simulated failure point (include
Various forms of middle resistances, high resistance earthing fault and arc grounding) fault.While analogue ground fault, pass through JRPut into 60
Ohm high-tension resistive simulates low resistance grounding, owing to eight high-voltage switch gears are each equipped with intelligent controller, by controller
Communication device is connected with server, various transient state when sampling fault occurs electrically, position aliquot and stable state electrically, position etc.
Component is analyzed；
During simulating various faults, switch L1 by shaking hands automatically engages operation, relevant intelligent controller
Forward and backward operational factor group, the change of the various method of operation of self adaptation is put at L1 by auto-changing.Pass through Based Intelligent Control
The device respective amount of logic situation of change of collection and the accurate reliability of physical simulation system acting, and when occurring according to sampling fault
Various transient state electrically, position aliquot and stable state electrically, position aliquot be analyzed, original in amendment or correcting controller
Control program and logic function, it is achieved accurately, rapidly, reliably isolated fault section, recover non-faulting section to greatest extent
Normal power supply, reach promote 10kV distribution network reliability purpose.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. 10kV electrical network feeder fault processes a physics simulator, boosts for three-phase 10kV including low voltage three-phase 380V boosting
Transformator and the special special transformer of 10kV three-phase five-limb, it is characterised in that: described low voltage three-phase 380V boosting is three-phase
10kV booster transformer is provided with two altogether, respectively No. 1 main transformer and No. 2 main transformers, and the three-phase of described No. 1 main transformer and No. 2 main transformers enters
Line end is all connected by tri-input lines of low-pressure plastic shell master switch and A, B, C, and the three-phase 10kV high-voltage terminal end of No. 1 main transformer divides
It is not connected with the end of incoming cables of 10kV high-voltage switch gear RC1 and the three-phase end of incoming cables of the special special transformer of 10kV three-phase five-limb,
It is connected between described No. 1 main transformer and the end of incoming cables of 10kV high-voltage switch gear RC1 and has for simulating 1# main transformer mains side 10kV circuit
Direct-to-ground capacitance C9, the leading-out terminal of the described special special transformer of 10kV three-phase five-limb respectively with high voltage connector JL and high-voltage connecting
The static contact of tentaculum JR is connected, and the moving contact of described high voltage connector JL is connected with carrying multitap power inductor L, institute
The moving contact stating high voltage connector JR is connected with the earth resistance R of low resistance grounding in 10kV simulation, and described 10kV height presses off
The leading-out terminal closing RC1 connects the end of incoming cables of 10kV high-voltage switch gear F1, and it is high that the leading-out terminal of described 10kV high-voltage switch gear F1 connects 10kV
Compress switch the end of incoming cables of F2；
The three-phase 10kV high-voltage terminal end of described No. 2 main transformers is connected with 10kV high-voltage switch gear RC2, and described No. 2 main transformers and 10kV are high
Extrude line end to be connected with the end of incoming cables of high-voltage switch gear RC2, and between No. 2 main transformers and RC2 circuit there be for simulating 1# main transformer connection
The direct-to-ground capacitance C12 of mains side 10kV circuit, the leading-out terminal of described 10kV high-voltage switch gear RC1 and the inlet wire of 10kV high-voltage switch gear F3
End is connected, and the leading-out terminal of described 10kV high-voltage switch gear F3 is connected with the end of incoming cables of 10kV high-voltage switch gear F4, and described 10kV height presses off
Close to connect between F3 and 10kV high-voltage switch gear F4 and have 10kV high-voltage switch gear D1, the leading-out terminal of described 10kV high-voltage switch gear F4 and 10kV
The leading-out terminal of high-voltage switch gear F2 switchs being connected into and out of line end of L1 with handle respectively.
A kind of 10kV electrical network feeder fault the most according to claim 1 processes physics simulator, it is characterised in that: described
10kV high-voltage switch gear F1,10kV high-voltage switch gear F2,10kV high-voltage switch gear F3,10kV high-voltage switch gear F4,10kV high-voltage switch gear RC1,
10kV high-voltage switch gear RC2 and 10kV high-voltage switch gear D1 is each equipped with the intelligent controller of VTIC scheme.
A kind of 10kV electrical network feeder fault the most according to claim 1 processes physics simulator, it is characterised in that: described
A 10kV high-voltage switch gear it is provided with as automatically between the end of the end of No. 1 main transformer supply line and No. 2 main transformer supply lines
Interconnection switch.
A kind of 10kV electrical network feeder fault the most according to claim 1 processes physics simulator, it is characterised in that: described
No. 1 main transformer, 10kV high-voltage switch gear RC1 load side, 10kV high-voltage switch gear F1,10kV high-voltage switch gear F2 are until handle switchs the electricity of L1
Source 10kV circuit is provided with portable No. 1 dolly of the simulation being made up of 10kV resistor group and the capacitance group of three-phase, 10kV
High-voltage switch gear RC2 load side, 10kV high-voltage switch gear F3,10kV high-voltage switch gear F4, handle switch on the 10kV circuit of L1 load side
It is provided with portable No. 2 dollies of the simulation being made up of 10kV resistor group and the capacitance group of three-phase.
A kind of 10kV electrical network feeder fault the most according to claim 1 processes physics simulator, it is characterised in that: described
Power inductor L, direct-to-ground capacitance C9 and the capacitance group common port of direct-to-ground capacitance C12,1# dolly, the capacitance group common port of 2# dolly
It is equipped with earth lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771606.4A CN106159920B (en) | 2016-08-30 | 2016-08-30 | A kind of 10kV power grids feeder fault processing physics simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771606.4A CN106159920B (en) | 2016-08-30 | 2016-08-30 | A kind of 10kV power grids feeder fault processing physics simulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106159920A true CN106159920A (en) | 2016-11-23 |
| CN106159920B CN106159920B (en) | 2018-08-21 |
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ID=57344030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771606.4A Expired - Fee Related CN106159920B (en) | 2016-08-30 | 2016-08-30 | A kind of 10kV power grids feeder fault processing physics simulator |
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| Country | Link |
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| CN (1) | CN106159920B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419822A (en) * | 2020-11-16 | 2021-02-26 | 贵州电网有限责任公司 | 10KV distribution network equivalent test low-voltage simulation system and simulation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0554553B1 (en) * | 1991-12-16 | 1996-07-17 | Kabushiki Kaisha Toshiba | Method of and system for disconnecting faulty distribution line section from power distribution line |
| CN203881876U (en) * | 2014-06-11 | 2014-10-15 | 国家电网公司 | Modularized and integrated system for dynamic simulation and terminal detection of power distribution network |
| CN104597899A (en) * | 2015-02-04 | 2015-05-06 | 国家电网公司 | Technical performance test platform of distribution automation device |
| CN105070157A (en) * | 2015-07-16 | 2015-11-18 | 国网技术学院 | Feeder automation simulation training system |
| CN206117135U (en) * | 2016-08-30 | 2017-04-19 | 泉州维盾电气有限公司 | 10kV electric wire netting feeder fault handling physical simulation device |
-
2016
- 2016-08-30 CN CN201610771606.4A patent/CN106159920B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0554553B1 (en) * | 1991-12-16 | 1996-07-17 | Kabushiki Kaisha Toshiba | Method of and system for disconnecting faulty distribution line section from power distribution line |
| CN203881876U (en) * | 2014-06-11 | 2014-10-15 | 国家电网公司 | Modularized and integrated system for dynamic simulation and terminal detection of power distribution network |
| CN104597899A (en) * | 2015-02-04 | 2015-05-06 | 国家电网公司 | Technical performance test platform of distribution automation device |
| CN105070157A (en) * | 2015-07-16 | 2015-11-18 | 国网技术学院 | Feeder automation simulation training system |
| CN206117135U (en) * | 2016-08-30 | 2017-04-19 | 泉州维盾电气有限公司 | 10kV electric wire netting feeder fault handling physical simulation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419822A (en) * | 2020-11-16 | 2021-02-26 | 贵州电网有限责任公司 | 10KV distribution network equivalent test low-voltage simulation system and simulation method thereof |
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| CN106159920B (en) | 2018-08-21 |
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