CN108649563A - A kind of power distribution network emulation platform - Google Patents
A kind of power distribution network emulation platform Download PDFInfo
- Publication number
- CN108649563A CN108649563A CN201810438627.3A CN201810438627A CN108649563A CN 108649563 A CN108649563 A CN 108649563A CN 201810438627 A CN201810438627 A CN 201810438627A CN 108649563 A CN108649563 A CN 108649563A
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- China
- Prior art keywords
- distribution network
- gtnet
- boards
- power distribution
- analog system
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
Abstract
The present invention provides a kind of power distribution network emulation platform, includes the electric analog system for being emulated to power distribution network；Further include distribution network automated main website and at least one GTNET boards；Each GTNET boards are connected with electric analog system and the communication of distribution network automated main website；Each GTNET boards are for simulating distribution power automation terminal, receiving the instruction of electric analog system and executing corresponding action；Distribution network automated main website is used to send test command and receives the action command of GTNET boards, and tests the performance of the emulated power distribution network of electric analog system.Technical solution provided by the present invention, distribution power automation terminal is emulated using GTNET boards, using the scheme of practical power distribution automation in compared with the existing technology, it is not only at low cost, and can be extended according to demand, solve the problems, such as that cost is higher when carrying out emulation testing to electric system in the prior art.
Description
Technical field
The invention belongs to distribution system emulation testing technical fields, and in particular to a kind of power distribution network emulation platform.
Background technology
In China's distribution automation work starting evening, corresponding technical policy, standard etc. are less.And the distribution of China's early stage
Rack basic forming, meanwhile, with the access of distributed energy, power distribution network mainly show grid equipment it is outmoded, for capacitance
The problems such as amount is insufficient, power supply reliability difference and power quality is low.
With the development of power electronic technique, mechanics of communication, computer technology, is improved and powered by distribution automation system
Reliability and power supply quality become new solution.Distribution network automated is to improve power quality, improve power supply reliability, expand
Big power supply capacity, the important means for realizing the operation of power distribution network high-efficiency and economic, while being also to realize intelligent grid, structure intelligent residential district
One of important foundation, development power distribution network for developing the economy, advance in living standard significant by General Promotion power supply quality.But
It is, it is distribution network automated in reliability, reaction speed, load prediction, self-healing control and distributed energy power flowcontrol etc. at present
There are still many problems face to face, and urgent need is conducted further research to distribution automation system and emulation testing.
At present when being emulated to distribution automation system, the simulation model of electric system is initially set up, is then built
The connection of vertical analogue system and practical distribution power automation terminal, according to the reaction of distribution power automation terminal to the performance of electric system
It is evaluated.
The cost of this test mode is higher, and when simulated electric system needs to connect more power distribution automations
When terminal, the quantity of inconvenience extension distribution power automation terminal.
Invention content
The present invention provides a kind of power distribution network emulation platform, for solve in the prior art when being emulated to power distribution network at
This higher problem.
To achieve the above object, technical solution provided by the invention is：
A kind of power distribution network emulation platform includes the electric analog system for being emulated to power distribution network；It further include distribution
Automation main website and at least one GTNET boards；Each GTNET boards with the electric analog system and distribution network automated
Main website communication connection；
Each GTNET boards are for simulating distribution power automation terminal, receiving the instruction of electric analog system and executing corresponding
Action；The distribution network automated main website is used to send test command and receive the action command of GTNET boards, and imitative to electric power
The performance of the emulated power distribution network of true system is tested.
Technical solution provided by the present invention emulates distribution power automation terminal, compared with the existing technology using GTNET boards
The middle scheme using practical power distribution automation, it is not only at low cost, but also can be extended according to demand, it solves in the prior art
The higher problem of cost when carrying out emulation testing to electric system.
It is further improved as to electric analog system, the electric analog system is that the electric power based on RTDS systems is imitative
True system.
As further limiting for the electric system emulated to electric analog system, the electric analog system is emulated
Power distribution network be distributed power system.
Distribution power automation terminal emulation mode is further improved as to GTNET boards, the GTNET boards configuration
There are point files, is provided in point files between corresponding GTNET boards and the distribution network automated main website communication point
Mapping relations.
It is further improved as to configuration the used point files of GTNET boards, the point files include corresponding
The data class indications of GTNET boards accords with, telemetering, remote signalling, remote-control data message address；Variable name in corresponding analogue system
Claim；It courts death on user identifier and telemetering area's threshold.
It is further improved as to power distribution network platform emulation test method, the electric analog system is to each GTNET plates
The transmitted instruction of card includes low voltage signal, overvoltage signal, override signal and overload signal.
It is further improved as to electric analog system, directional element is provided in the electric analog system, according to
In electric analog system Grounding Mode of Distribution Network selection residual voltage, electric current fundamental signal or harmonic signal, if voltage and
Electric current is unsatisfactory for the setting condition of directional element, then is judged as that earth fault occurs in electric analog system.
Description of the drawings
Fig. 1 is the structural schematic diagram of power distribution network emulation platform in embodiment；
Fig. 2 is by the power distribution network that RTDS analogue systems emulate in embodiment；
Fig. 3 is the step of building power distribution network emulation platform in embodiment；
Fig. 4 is the logic chart of electric system overcurrent protection in embodiment；
Fig. 5 is the logic chart for determining earth fault in embodiment according to directional element；
The schematic diagram that Fig. 6 uses point files by configuring GTNET boards in embodiment.
Specific implementation mode
The present invention provides a kind of power distribution network emulation platform, for solve in the prior art when being emulated to power distribution network at
This higher problem.
To achieve the above object, technical solution provided by the invention is：
A kind of power distribution network emulation platform includes the electric analog system for being emulated to power distribution network；It further include distribution
Automation main website and at least one GTNET boards；Each GTNET boards with the electric analog system and distribution network automated
Main website communication connection；
Each GTNET boards are for simulating distribution power automation terminal, receiving the instruction of electric analog system and executing corresponding
Action；The distribution network automated main website is used to send test command and receive the action command of GTNET boards, and imitative to electric power
The performance of the emulated power distribution network of true system is tested.
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The present embodiment provides a kind of power distribution network emulation platforms, for carrying out emulation testing to power distribution network, and are surveyed according to emulation
The result of examination judges the performance of power distribution network.
The power distribution network emulation platform that the present embodiment is provided, structure is as shown in Figure 1, including RTDS analogue systems, setting
The GTNET boards and distribution network automated main website of quantity；RTDS analogue systems are used to emulate power distribution network to be measured,
GTNET boards are for emulating distribution power automation terminal.
The power distribution network that RTDS analogue systems are emulated is distributed distribution system, and structure is as shown in Fig. 2, distribution system packet
Include battery type distributed generation resource, photovoltaic type distributed generation resource and fan type distributed generation resource.
Each GTNET boards, which are both provided with, is respectively used to the logical of communication connection RTDS analogue systems and distribution network automated main website
Communication interface is established each by configuring the communications parameter of each GTNET boards and RTDS analogue systems and distribution network automated main website
GTNET boards are connect with the communication of RTDS analogue systems and distribution network automated main website.Wherein each GTNET boards configured with
The communications parameter of distribution network automated main website, including the power distribution automation main station IP of uniqueness, communication terminal slogan and the addresses ASDU.
Point files are set on GTNET boards, realize emulation of the GTNET boards to distribution power automation terminal；
In point files, it is provided with the distribution power automation terminal that corresponding GTNET boards are emulated and communicates point with distribution network automated main website
Mapping relations.
Power distribution network emulation platform is built according to structure shown in FIG. 1, step is as shown in Figure 3.
The power distribution network emulation platform that the present embodiment is provided, according to standard《Distribution power automation terminal parameter configuration specification》,
The distribution power automation terminal emulated to each GTNET carries out out-of-limit class functional test and trouble handling function test.
Standard《Distribution power automation terminal parameter configuration specification》The function of defined includes low-voltage alarm, overvoltage announcement
Alert, heavy duty alarm, overload alarm, overcurrent alarm and small current earthing wire-selecting alarm, are acquired imitative using the element in RTDS systems
True data simultaneously carries out fault distinguishing in real time.
In the power distribution network that RTDS systems are emulated, the operation data of emulated distribution system, and root are acquired by compiler
Differentiated in real time according to collected data；It is raw when current amplitude is greater than the set value in the power distribution network that RTDS systems are emulated
At overcurrent alarm or actuating signal, as shown in Figure 4.According to the method for the generation overcurrent alarm signal, low-voltage alarm, mistake are generated
Voltage alarm, heavy duty alarm, overload alarm signal.
The direction member that fineness angle is 85 °, actuating range is 150 ° is additionally provided in the power distribution network that RTDS systems are emulated
Part selects the fundamental wave or harmonic signal of residual voltage, electric current according to the earthing mode of emulated power distribution network, and real-time judge goes out it
In voltage and current whether meet the condition set by directional element, to determine that the circuit of earth fault occurs, and generate phase
The alarm signal answered, as shown in Figure 5.
In the point files that each GTNET boards are configured, including for data contingency table used in corresponding GTNET boards
Know symbol, telemetering, remote signalling, remote-control data message address, name variable and user identifier in corresponding analogue system and distant
It courts death in survey area's threshold.Telemetry, alarm or the action that point files are generated by the distribution system that RTDS systems emulate are believed
Number and other remote signalling information distribute message address, and be the remote control command that issues of electrical power distribution automatization system main website by name variable
Remotely-controlled object is distributed, as shown in Figure 6.One piece of GTNET boards maximum can handle 1024 remote signalling points, 500 telemetry stations and 512
Remote controlled point, therefore multiple distribution power automation terminals can be simulated using one piece of GTNET board.
When carrying out emulation testing to power distribution network, power distribution automation main station is emulated by GTNET boards to RTDS systems
Power distribution network send test command, the power distribution network that RTDS systems are emulated receives and executes corresponding action after test command, and
Phase GTNET boards send information, power distribution automation main station by the information received by contrastive test order and GTNET boards,
The performance of the emulated power distribution network of RTDS systems is tested.
Claims (7)
1. a kind of power distribution network emulation platform includes the electric analog system for being emulated to power distribution network；It is characterized in that, also
Including distribution network automated main website and at least one GTNET boards；Each GTNET boards with the electric analog system and distribution
The communication connection of automation main website；
Each GTNET boards are for simulating distribution power automation terminal, receiving the instruction of electric analog system and executing corresponding action；
The distribution network automated main website is used to send test command and receives the action command of GTNET boards, and to electric analog system
The performance of system institute emulation power distribution network is tested.
2. a kind of power distribution network emulation platform according to claim 1, which is characterized in that the electric analog system is to be based on
The electric analog system of RTDS systems.
3. a kind of power distribution network emulation platform according to claim 1 or 2, which is characterized in that the electric analog system institute
The power distribution network of emulation is distributed power system.
4. a kind of power distribution network emulation platform according to claim 1, which is characterized in that the GTNET boards are configured with
Point files are provided with reflecting between corresponding GTNET boards and the distribution network automated main website communication point in point files
Penetrate relationship.
5. a kind of power distribution network emulation platform according to claim 4, which is characterized in that the point files include corresponding
The data class indications of GTNET boards accords with, telemetering, remote signalling, remote-control data message address；Variable name in corresponding analogue system
Claim；It courts death on user identifier and telemetering area's threshold.
6. a kind of power distribution network emulation platform according to claim 1 or 2, which is characterized in that the electric analog system to
Instruction transmitted by each GTNET boards includes low voltage signal, overvoltage signal, override signal and overload signal.
7. a kind of power distribution network emulation platform according to claim 1 or 2, which is characterized in that in the electric analog system
Be provided with directional element, according in electric analog system Grounding Mode of Distribution Network selection residual voltage, electric current fundamental signal or
Harmonic signal is judged as that electric analog system is grounded if voltage and current is unsatisfactory for the setting condition of directional element
Failure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810438627.3A CN108649563A (en) | 2018-05-09 | 2018-05-09 | A kind of power distribution network emulation platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810438627.3A CN108649563A (en) | 2018-05-09 | 2018-05-09 | A kind of power distribution network emulation platform |
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| CN108649563A true CN108649563A (en) | 2018-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018392A (en) * | 2019-04-12 | 2019-07-16 | 许继集团有限公司 | A kind of test macro of electrical power distribution automatization system main website |
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| CN105527858A (en) * | 2015-12-29 | 2016-04-27 | 国网上海市电力公司 | Hardware-in-the-loop simulation system for automatic generation control in smart grid |
| US20160257216A1 (en) * | 2014-06-12 | 2016-09-08 | King Fahd University Of Petroleum And Minerals | Autonomous charging management system for electric vehicles |
| CN107966672A (en) * | 2017-12-05 | 2018-04-27 | 国网重庆市电力公司电力科学研究院 | The generator power transmitter test method and system of meter and synchronous phasor measurement |
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2018
- 2018-05-09 CN CN201810438627.3A patent/CN108649563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869190A (en) * | 2014-03-17 | 2014-06-18 | 国家电网公司 | Real time simulation system-based power distribution terminal automatic closed-loop test platform |
| US20160257216A1 (en) * | 2014-06-12 | 2016-09-08 | King Fahd University Of Petroleum And Minerals | Autonomous charging management system for electric vehicles |
| CN205193470U (en) * | 2015-10-29 | 2016-04-27 | 广东电网有限责任公司江门供电局 | Wide area protection control emulation test system based on RTDS |
| CN105527858A (en) * | 2015-12-29 | 2016-04-27 | 国网上海市电力公司 | Hardware-in-the-loop simulation system for automatic generation control in smart grid |
| CN107966672A (en) * | 2017-12-05 | 2018-04-27 | 国网重庆市电力公司电力科学研究院 | The generator power transmitter test method and system of meter and synchronous phasor measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110018392A (en) * | 2019-04-12 | 2019-07-16 | 许继集团有限公司 | A kind of test macro of electrical power distribution automatization system main website |
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Application publication date: 20181012 |
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