CN103956775A - Micro-grid analogue simulation system based on real-time digital simulation platform - Google Patents
Micro-grid analogue simulation system based on real-time digital simulation platform Download PDFInfo
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- CN103956775A CN103956775A CN201410215975.6A CN201410215975A CN103956775A CN 103956775 A CN103956775 A CN 103956775A CN 201410215975 A CN201410215975 A CN 201410215975A CN 103956775 A CN103956775 A CN 103956775A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention discloses a micro-grid analogue simulation system based on a real-time digital simulation platform. The micro-grid analogue simulation system comprises a real-time digital simulator and a micro-grid device. The real-time digital simulator comprises a hardware interface and a software system. The hardware interface comprises an input interface card and an output interface card. A micro-grid system model is set up in the software system and comprises a micro-grid power distribution network model and a distributed type power micro-grid device primary system model. The micro-grid device comprises a micro-grid central control unit, a photovoltaic power generation controller, an energy storage device controller and a protection device controller, wherein the photovoltaic power generation controller, the energy storage device controller and the protection device controller are connected with the micro-grid central control unit respectively. The micro-grid analogue simulation system can simulate the practical running condition of a power grid, the strategy of controlling and protecting the whole micro-grid device can be conveniently and rapidly verified and adjusted, the micro-grid analogue simulation system is economical and practical, and the test result is ensured.
Description
Technical field
The present invention relates to field of power, relate in particular to a kind of microgrid analogue simulation system.
Background technology
Micro-grid system device needs simulated field situation to make closed test in research and development and functional test stage, to adjust control strategy and the dynamic property with demo plant.The method that closed test is conventional is that the primary system equipment of micro-grid system is dwindled according to certain capacity ratio, by real topology, be built into the dynamic simulation experiment system of low capacity, and by interface equipment and actual control appliance device, be connected to form closed-loop system and complete various dynamic tests.The device that micro-grid system relates to is many, and volume is large, if carry out dynamic simulation test by above-mentioned experimental technique, not only take up room large, and cost is high, uneconomical; Adopt pure software emulation, the simulation accuracy of model is difficult to be guaranteed.
Summary of the invention
The object of the present invention is to provide a kind of microgrid analogue simulation system based on realtime digital simulation platform; can simulate the ruuning situation of actual electric network; can verify and adjust by the control and protection strategy to whole microgrid device easily and fast; both economical and practical, and test effect is guaranteed.
The technical scheme that realizes above-mentioned purpose is:
A microgrid analogue simulation system based on realtime digital simulation platform, comprises Real Time Digital Simulator (RTDS) and microgrid device, wherein:
Described Real Time Digital Simulator comprises hardware interface and software systems; Described hardware interface comprises input interface card and output interface card; In described software systems, built micro-grid system model, described micro-grid system model comprises microgrid electricity distribution network model and distributed power source microgrid device primary system model, described distributed power source microgrid device primary system model comprises photovoltaic generation model, energy storing and electricity generating model and diesel engine generator model;
Described microgrid device comprises microgrid central controller, and the photovoltaic electricity generation controller, energy storage device controller and the protective device controller that join respectively with this microgrid central controller;
During emulation testing; all kinds of model signals of described micro-grid system model output in corresponding described microgrid central controller, photovoltaic electricity generation controller, energy storage device controller and protective device controller through described output interface card; the control signal of exporting after calculation process, is input in corresponding described micro-grid system model through described input interface card.
In the above-mentioned microgrid analogue simulation system based on realtime digital simulation platform,
Described microgrid electricity distribution network model comprises electric network model, switch and load model.
In the above-mentioned microgrid analogue simulation system based on realtime digital simulation platform,
Described photovoltaic generation model is by the photovoltaic panel model joining successively, DC chopped-wave model and inversion model-composing, by grid-connected switch and receive electrical network;
Described energy storing and electricity generating model is by the battery model joining and inversion model-composing, by grid-connected switch and receive electrical network;
Described microgrid protective device is positioned at the junction of described micro-grid system model and electrical network.
The invention has the beneficial effects as follows: the present invention has formed the hybrid simulation test macro of a closed loop; by line closed loop real-time simulation, verify and test control strategy and the setting parameter of micro-grid system device; can verify and adjust by the control and protection strategy to whole microgrid device easily and fast; for instructing exploitation and the application of actual microgrid device; both economical and practical, and test effect is guaranteed.
Accompanying drawing explanation
Fig. 1 is the structural representation of microgrid analogue simulation system of the present invention;
Fig. 2 is the structure chart of micro-grid system.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Micro-grid system is according to certain topological structure by a plurality of distributed power sources and power device, the small-sized electrical network forming, both can be connected with the large electrical network in outside, forming energy is fluidly networking operation mode mutually, also can be independent of external electrical network, meet the lonely network operation mode of self burden requirement.
Refer to Fig. 1 and Fig. 2, the microgrid analogue simulation system based on realtime digital simulation platform of the present invention, comprises Real Time Digital Simulator 1 and microgrid device 2, wherein:
Real Time Digital Simulator 1 comprises hardware interface and software systems; Hardware interface comprises input interface card and output interface card; In software systems, build micro-grid system model, comprising: microgrid electricity distribution network model and distributed power source microgrid device primary system model, microgrid electricity distribution network model comprises electric network model, switch and load model.Distributed power source microgrid device primary system model comprises photovoltaic generation model, energy storing and electricity generating model and diesel engine generator model; According to system Practical Project parameter, be configured, as electric pressure, the position of the switch, load parameters etc., to can reappear really the field condition of micro-grid system.Photovoltaic generation model consists of the photovoltaic panel model 31 joining successively, DC chopped-wave model 32 and inversion model 33, by grid-connected switch and receive electrical network; Energy storing and electricity generating model consists of the battery model 41 joining and inversion model 42, by grid-connected switch and receive electrical network; Microgrid protective device is positioned at the junction of micro-grid system model and electrical network; mainly for monitoring the ruuning situation of micro-grid system inside; the protection configuration of simultaneously mating original network system; when the abnormal overvoltage of the inner generation of micro-grid system, overcurrent condition; protective device can detect and send corresponding warning or trip command in time, and command signal is uploaded.
Microgrid device 2 comprises microgrid central controller 21, photovoltaic electricity generation controller 22, energy storage device controller 23 and protective device controller 24;
Microgrid central controller 21 connects input interface card and output interface card; Photovoltaic electricity generation controller 22 connects input interface card, output interface card and microgrid central controller 21; Energy storage device 23 controllers connect input interface card, output interface card and microgrid central controller 21; Protective device controller 24 connects input interface card, output interface card and microgrid central controller 21.
During system emulation test, all kinds of model signals of micro-grid system model, as: voltage, electric current, the signals such as DC bus-bar voltage, through power amplifier, by output interface card, output to corresponding controller (microgrid central controller 21, photovoltaic electricity generation controller 22, energy storage device controller 23 and protective device controller 24) in, via controller (microgrid central controller 21, photovoltaic electricity generation controller 22, energy storage device controller 23 and protective device controller 24) after calculation process, output control signal, control signal is input in corresponding micro-grid system model by input interface card, carry out the operation of control system.
So, by such a closed cycle simulation test system, just can easily and efficiently the control and protection strategy of whole microgrid device be verified and be adjusted.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (3)
1. the microgrid analogue simulation system based on realtime digital simulation platform, is characterized in that, comprises Real Time Digital Simulator and microgrid device, wherein:
Described Real Time Digital Simulator comprises hardware interface and software systems; Described hardware interface comprises input interface card and output interface card; In described software systems, built micro-grid system model, described micro-grid system model comprises microgrid electricity distribution network model and distributed power source microgrid device primary system model, described distributed power source microgrid device primary system model comprises photovoltaic generation model, energy storing and electricity generating model and diesel engine generator model;
Described microgrid device comprises microgrid central controller, and the photovoltaic electricity generation controller, energy storage device controller and the protective device controller that join respectively with this microgrid central controller;
During emulation testing; all kinds of model signals of described micro-grid system model output in corresponding described microgrid central controller, photovoltaic electricity generation controller, energy storage device controller and protective device controller through described output interface card; the control signal of exporting after calculation process, is input in corresponding described micro-grid system model through described input interface card.
2. the microgrid analogue simulation system based on realtime digital simulation platform according to claim 1, is characterized in that, described microgrid electricity distribution network model comprises electric network model, switch and load model.
3. the microgrid analogue simulation system based on realtime digital simulation platform according to claim 1 and 2, is characterized in that,
Described photovoltaic generation model is by the photovoltaic panel model joining successively, DC chopped-wave model and inversion model-composing, by grid-connected switch and receive electrical network;
Described energy storing and electricity generating model is by the battery model joining and inversion model-composing, by grid-connected switch and receive electrical network;
Described microgrid protective device is positioned at the junction of described micro-grid system model and electrical network.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104517510A (en) * | 2014-12-24 | 2015-04-15 | 国家电网公司 | Photovoltaic power supply physical simulation system for dynamic simulation test |
| CN105205232A (en) * | 2015-09-07 | 2015-12-30 | 中国东方电气集团有限公司 | RTDS (real time digital simulator) based stability simulation testing platform for micro grid system |
| CN106249618A (en) * | 2016-08-31 | 2016-12-21 | 北京群菱能源科技有限公司 | Micro-capacitance sensor controls test system in real time |
| CN106777636A (en) * | 2016-12-07 | 2017-05-31 | 天津大学 | Towards the block parallel method of micro-capacitance sensor electro-magnetic transient real-time simulation |
| WO2018014450A1 (en) * | 2016-07-20 | 2018-01-25 | 天津天大求实电力新技术股份有限公司 | Rt-lab-based real microgrid operation dynamic simulation testing platform |
| CN109193660A (en) * | 2018-10-29 | 2019-01-11 | 贵州电网有限责任公司 | A kind of Multi-port direct-current distribution network real-time simulation apparatus and its emulation mode |
| CN111008479A (en) * | 2019-12-12 | 2020-04-14 | 武汉理工大学 | Closed-loop simulation method and system of distributed power flow controller based on ADPSS (advanced digital Power System simulator) custom model |
| CN111736573A (en) * | 2020-06-24 | 2020-10-02 | 清科优能(深圳)技术有限公司 | Simulation system suitable for microgrid central controller closed-loop test |
| CN111813093A (en) * | 2020-07-23 | 2020-10-23 | 广东电网有限责任公司电力科学研究院 | Detection system of distribution station voltage coordination controller |
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| CN104517510A (en) * | 2014-12-24 | 2015-04-15 | 国家电网公司 | Photovoltaic power supply physical simulation system for dynamic simulation test |
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| CN105205232A (en) * | 2015-09-07 | 2015-12-30 | 中国东方电气集团有限公司 | RTDS (real time digital simulator) based stability simulation testing platform for micro grid system |
| WO2018014450A1 (en) * | 2016-07-20 | 2018-01-25 | 天津天大求实电力新技术股份有限公司 | Rt-lab-based real microgrid operation dynamic simulation testing platform |
| CN106249618A (en) * | 2016-08-31 | 2016-12-21 | 北京群菱能源科技有限公司 | Micro-capacitance sensor controls test system in real time |
| CN106777636A (en) * | 2016-12-07 | 2017-05-31 | 天津大学 | Towards the block parallel method of micro-capacitance sensor electro-magnetic transient real-time simulation |
| CN106777636B (en) * | 2016-12-07 | 2020-08-07 | 天津大学 | Block parallel method for micro-grid electromagnetic transient real-time simulation |
| CN109193660A (en) * | 2018-10-29 | 2019-01-11 | 贵州电网有限责任公司 | A kind of Multi-port direct-current distribution network real-time simulation apparatus and its emulation mode |
| CN111008479A (en) * | 2019-12-12 | 2020-04-14 | 武汉理工大学 | Closed-loop simulation method and system of distributed power flow controller based on ADPSS (advanced digital Power System simulator) custom model |
| CN111008479B (en) * | 2019-12-12 | 2023-02-17 | 武汉理工大学 | Closed-loop simulation method and system of distributed power flow controller based on ADPSS custom model |
| CN111736573A (en) * | 2020-06-24 | 2020-10-02 | 清科优能(深圳)技术有限公司 | Simulation system suitable for microgrid central controller closed-loop test |
| CN111813093A (en) * | 2020-07-23 | 2020-10-23 | 广东电网有限责任公司电力科学研究院 | Detection system of distribution station voltage coordination controller |
| CN111813093B (en) * | 2020-07-23 | 2021-10-19 | 广东电网有限责任公司电力科学研究院 | Detection system of distribution station voltage coordination controller |
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Application publication date: 20140730 |