CN107390547A - A kind of active distribution network performance test methods for including microgrid group - Google Patents
A kind of active distribution network performance test methods for including microgrid group Download PDFInfo
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- CN107390547A CN107390547A CN201710672100.2A CN201710672100A CN107390547A CN 107390547 A CN107390547 A CN 107390547A CN 201710672100 A CN201710672100 A CN 201710672100A CN 107390547 A CN107390547 A CN 107390547A
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- G—PHYSICS
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- 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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- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- 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]
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Abstract
The invention provides a kind of active distribution network performance test methods for including microgrid group, comprise the following steps：Multi-scale Modeling is carried out to the active distribution network comprising microgrid group；Create the active distribution network dynamic overall process Digital Simulation test system towards policy validation；Create the power information Hybrid Real Time Simulation test system of equipment oriented test；Plug and play distributed power source is tested with group control device based on power information Hybrid Real Time Simulation test system；Interactive coordinated control system is opened based on power information Hybrid Real Time Simulation test system to active distribution network to test.The present invention realizes electric physical equipment and the seamless connection of communication interface by power information Hybrid Real Time Simulation test platform and Equivalent Model chooses and switching; the plug-and-play feature of test distributed power grid device; prevent equipment fault and on-line debugging from influenceing security of system; operation risk is reduced, improves the comprehensive benefit of distributed power source.
Description
Technical field
The invention belongs to electric power system power source scheduling field, more particularly to a kind of active distribution network performance for including microgrid group
Method of testing.
Background technology
It is outstanding day by day with global energy crisis problem, and the demand of power industry scientific development, establish safety, high
Effect, green, strong intelligent grid have turned into the theme of new period global power industry development.Key as intelligent grid
One of, Devoting Major Efforts To Developing utilizes distributed power source (DERs, Distributed Energy Resources), including photovoltaic generation system
System, wind generator system, energy-storage system, miniature gas turbine etc., it has also become Jiao of China's energy sustainable development strategy concern
Point.The high density access of distributed power source mainly has two kinds of forms, first, various forms distributed power source cluster accesses power distribution network,
Beneficial and important supplement can be provided for existing power supply as " virtual power supply group ".In addition it is also possible to pass through micro-capacitance sensor
This Autonomous Model hair electric system access collectively constituted by distributed power source, energy storage device, load, monitoring and protection device is matched somebody with somebody
Power network, comprehensive utilization rate of energy source is improved, coordinate the contradiction between power network and distributed power source；When multiple micro-capacitance sensors are in middle pressure or low
Geographical position approaches in press-fitting net, can interconnect to form microgrid group, not only with complete micro-capacitance sensor feature and function but also with receiving
The function that control command completes colony and is operated together target jointly is dispatched and coordinated with execution group's level.
In the case where high density, high permeability microgrid group/virtual power supply group access background, energy storage device, electric automobile, flexibility are negative
Interactive numerous new demands such as control of coordinating of lotus will bring great variety to traditional passive passive distribution system, be allowed to master
Dynamic active distribution system transition.Active distribution network (ADNs, Active distribution networks) is intelligent grid
The research emphasis in field, compared with conventional electrical distribution net, there are more perfect considerable controllable levels and active self-cure regulation and control
Physical condition, the consumption of a large amount of distributed energy full frequency bands and optimization of access are realized, to ensure power grid security, efficiently economy, fortune
OK.From " passive passive " to " actively active " this transient process to power distribution network in planning and designing, traffic control, control protect,
The new requirement of all many-sided propositions such as simulation analysis.Development fast and effectively emulation technology and emulation platform to active distribution network
Various stable states, transient behavior feature are analyzed, and then are verified, automatically for the scheduling of distribution network planning Design and optimization, control strategy
The offers such as fault section and isolation, network self-healing, protection equipment are adjusted, actual physical device is tested basic technological means and skill
Art platform, turn into urgent and significant research topic.
The content of the invention
The present invention surrounds the active distribution network towards micro-capacitance sensor group/virtual power supply group, with microgrid group/virtual power supply group with matching somebody with somebody
Net alternative mechanism and multi-scale Modeling method are point of penetration, ground with active distribution network dynamic overall process Digital Simulation test platform
Hair, electric power-information Hybrid Real Time Simulation test platform research and development are crucial research contents, and checking team control group adjusts the effective of strategy
Property, the feature of a secondary device such as test group control device, protection device.
The present invention is specially a kind of active distribution network performance test methods for including microgrid group, passes through dynamic overall process numeral
Simulation test platform carries out performance test to the active distribution network comprising microgrid group, specifically comprises the following steps：
Step (1), multi-scale Modeling is carried out to the active distribution network comprising microgrid group；
Step (2), create towards policy validation active distribution network dynamic overall process Digital Simulation test system；
Step (3), the electric power-information Hybrid Real Time Simulation test system for creating equipment oriented test；
Step (4), based on electric power-information Hybrid Real Time Simulation test system to plug and play distributed power source and group
Control equipment is tested；
Step (5), interactive coordinate opened to active distribution network based on electric power-information Hybrid Real Time Simulation test system
Control system is tested.
Further, the step (1) specifically includes following content：
Step 1.1, based on photovoltaic, wind-powered electricity generation, the mathematical modeling of energy storage exemplary distribution formula power supply and local control strategy, establish
Distributed power source Multiple Time Scales simulation model, the situation of power distribution network is accessed for distributed power source, considers sky on a large scale
Between be distributed concentration degree, multimachine output similarity and network topology mechanism, built using sensitivity analysis and Fuzzy Cluster Analysis method
The overall sensitivity and polymerization index of vertical multiple machine distributing power supply, form point for considering different control modes and different elements composition
Cloth power supply multimachine clustering method；
Step 1.2, using distributed power source multimachine clustering method, establish the Multiple Time Scales of microgrid group/virtual power supply group
Cluster Equivalent Model；According to converter topology, control method and control parameter, carried based on equivalent aggregation principle and parameter identification method
Go out multimachine electro-magnetic transient equivalence method, and establish microgrid group/virtual power supply clustering class electro-magnetic transient Equivalent Model；Analysis distribution formula
The different instantaneously coupled characteristics between the time constant of mode, damped coefficient, natural frequency and mode of power supply, are simplified using mode
Method establishes microgrid group/virtual power supply clustering class Dynamic Simulation Model；Analysis distribution formula power supply is in different scenes and working condition
Under active frequency, reactive voltage characteristic, cluster cell stable state Equivalent Model is established using capacity weighting method；
Step 1.3, the multiscale simulation model using microgrid group/virtual power supply group, for the different operation shapes of power distribution network
State, the synthesis output operation characteristic of microgrid group/virtual power supply group under Multiple Time Scales is studied, specifies microgrid group/virtual power supply group
Influence of the interior distributed electrical source category, number of power sources, spatial distribution, control model to operation characteristic；From distributed power source just
Ground is controllable, research microgrid group/virtual power supply group interacts operating mechanism with power distribution network in terms of combined dispatching, in distribution network operation shape
When state switching, failure or workload demand change, active power controller of the distributed power source to power distribution network, reactive power control are realized
The Auxiliary support of system, voltage-regulation and security and stability control, scale distributed electrical is improved using microgrid group/virtual power supply group
The control of source response power distribution network and the friendly interaction capability of scheduling.
Further, the step (2) specifically includes following content：
Step 2.1, requirement of the different simulating scenes for emulation accuracy, convergence and speed is considered, it is determined that meeting short
The microgrid group that phase/mid-term/emulates for a long time/virtual power supply group Multiple Time Scales simulation model method for optimizing and model automatic switchover side
Method；In order to increase simulation accuracy, the memory cost in optimization Simulation time and simulation process, it is determined that meeting mid-term/long-term emulation
The variable step emulation technology of demand；
Step 2.2, for typical scene and different test sequences, determine team control group's mode transfer type and dynamic whole process simulation mould
The interface and sequential compounding technique of type, create the dynamic overall process towards more microgrid groups/virtual power supply group's complexity active distribution network
Digital Simulation test system；
Step 2.3, establish microgrid group/virtual power supply group's autonomous control strategy, be Multiple Time Scales Optimized Operation strategy, active
The simulation model of reactive complementation coordination optimization strategy and net-source-lotus coordination control strategy, automation strategy is verified by Digital Simulation
Validity.
Further, the step (3) specifically includes following content：
Step 3.1, for exemplary simulation scene, microgrid group/internal and external traffic model of virtual power supply group is covered in foundation
With electric power-information simulation model of information interactive interface model, for simulating the letter in actual automation strategy implementation process
Interactive session is ceased, to realize the seamless access of actual physical device；And OPNET network simulation platforms are based on, by power distribution network
Communication network topology analysis, selection and design communication network protocol, communication mode and communication media, foundation include network model
With information-model of communication system of communication interface model；Send out for the communication delay in information interactive process, data packetloss and by mistake
Situation, the emulation of active distribution network information network and communication process is carried out based on OPNET；
Step 3.2, the microgrid group/virtual power supply group Hybrid Real Time Simulation for determining the more physics links of electric power-information and
Interactive interface synchronous method, electric power-information hybrid simulation framework and middleware are built, determines electric power-information hybrid simulation
Propulsion and synchronization mechanism；Determine the interfacing of electric power-between information Hybrid Real Time Simulation system and physics equipment under test；
Step 3.3, the active based on multi-core parallel concurrent emulation technology and RT-LAB structure towards microgrid group/virtual power supply group are matched somebody with somebody
Grid power-information Hybrid Real Time Simulation test system, meets real-time simulation testing requirement, realizes active distribution network electric power
The real-time Simulation of stream and information flow emulates with unified, and actual physical device is electric and seamless connection and the equivalence of communication interface
Model chooses and switching.
Further, the step (4) specifically includes following content：
Step 4.1, the primary equipment power hardware assemblage on-orbit for determining electric network model connection distributed power source material object device
Measuring technology, the flexible cutting-in control and plug-and-play feature of test distributed power grid device；Test distributed power supply is
The stability of the lower power network of the automatic sharing capability of bearing power and the control of distributed power source plug and play after plug-and-play is grid-connected；
Step 4.2, determine electric network model connection group control device secondary device information hardware-in-the-loop test skill in kind
Art, status monitoring, information exchange and the control defencive function of crucial secondary device are tested, examines grid information system to distribution
The automatic sensing and integration ability of power supply status；For the running status of power distribution network under different scenes, the excellent of group control device is verified
Change ability of regulation and control.
Further, the step (5) specifically includes following content：
Step 5.1, determine that power-information hardware in loop mixing of secondary device of simulation test platform while connection is imitative
True measuring technology, under the flexible interactive operational mode of net-source of active distribution network-lotus, test active distribution network net-source-lotus is more
Time scale, the coordination control of more optimization aims and collaboration Optimized model, including in a steady stream complementary, source net coordinate, net load interaction and
The interactive four kinds of states of source lotus；
Step 5.2, power distribution network difference running status is considered, for not known caused by active distribution network net-source-lotus interaction
The change of factor and distribution operation characteristic, in active power controller, Reactive Power Control, voltage-regulation and safe and stable operation
Aspect, net-source-lotus hierarchical layered coordination control strategy is verified, carry out active distribution network net-source-lotus coordination control ability is
Irrespective of size is tested.
The present invention by electric power-information Hybrid Real Time Simulation test platform realize physical equipment electrically and communication interface
Seamless connection and Equivalent Model choose and switching, the plug-and-play feature of test distributed power grid device, secondary device
Status monitoring, information exchange and the control defencive function of (group control device, measuring and controlling protective device), and apparatus logic scheme, ginseng
Number setting function, prevent equipment fault and on-line debugging from influenceing security of system, reduce operation risk, improve distributed power source
Comprehensive benefit.
Embodiment
A kind of embodiment of the active distribution network performance test methods comprising microgrid group of the present invention is done in detail below
It is thin to illustrate.
The present invention is carried out by dynamic overall process Digital Simulation test platform to the active distribution network comprising microgrid group
Performance test.The performance test of active distribution network specifically comprises the following steps：
Step (1), multi-scale Modeling is carried out to the active distribution network comprising microgrid group；
Step (2), create towards policy validation active distribution network dynamic overall process Digital Simulation test system；
Step (3), the electric power-information Hybrid Real Time Simulation test system for creating equipment oriented test；
Step (4), based on electric power-information Hybrid Real Time Simulation test system to plug and play distributed power source and group
Control equipment is tested；
Step (5), interactive coordinate opened to active distribution network based on electric power-information Hybrid Real Time Simulation test system
Control system is tested.
The step (1) specifically includes following content：
Step 1.1, based on photovoltaic, wind-powered electricity generation, the mathematical modeling of energy storage exemplary distribution formula power supply and local control strategy, establish
Distributed power source Multiple Time Scales simulation model, the situation of power distribution network is accessed for distributed power source, considers sky on a large scale
Between be distributed concentration degree, multimachine output similarity and network topology mechanism, built using sensitivity analysis and Fuzzy Cluster Analysis method
The overall sensitivity and polymerization index of vertical multiple machine distributing power supply, form point for considering different control modes and different elements composition
Cloth power supply multimachine clustering method；
Step 1.2, using distributed power source multimachine clustering method, establish the Multiple Time Scales of microgrid group/virtual power supply group
Cluster Equivalent Model；According to converter topology, control method and control parameter, carried based on equivalent aggregation principle and parameter identification method
Go out multimachine electro-magnetic transient equivalence method, and establish microgrid group/virtual power supply clustering class electro-magnetic transient Equivalent Model；Analysis distribution formula
The different instantaneously coupled characteristics between the time constant of mode, damped coefficient, natural frequency and mode of power supply, are simplified using mode
Method establishes microgrid group/virtual power supply clustering class Dynamic Simulation Model；Analysis distribution formula power supply is in different scenes and working condition
Under active frequency, reactive voltage characteristic, cluster cell stable state Equivalent Model is established using capacity weighting method；
Step 1.3, the multiscale simulation model using microgrid group/virtual power supply group, for the different operation shapes of power distribution network
State, the synthesis output operation characteristic of microgrid group/virtual power supply group under Multiple Time Scales is studied, specifies microgrid group/virtual power supply group
Influence of the interior distributed electrical source category, number of power sources, spatial distribution, control model to operation characteristic；From distributed power source just
Ground is controllable, research microgrid group/virtual power supply group interacts operating mechanism with power distribution network in terms of combined dispatching, in distribution network operation shape
When state switching, failure or workload demand change, active power controller of the distributed power source to power distribution network, reactive power control are realized
The Auxiliary support of system, voltage-regulation and security and stability control, scale distributed electrical is improved using microgrid group/virtual power supply group
The control of source response power distribution network and the friendly interaction capability of scheduling.
The step (2) specifically includes following content：
Step 2.1, requirement of the different simulating scenes for emulation accuracy, convergence and speed is considered, it is determined that meeting short
The microgrid group that phase/mid-term/emulates for a long time/virtual power supply group Multiple Time Scales simulation model method for optimizing and model automatic switchover side
Method；In order to increase simulation accuracy, the memory cost in optimization Simulation time and simulation process, it is determined that meeting mid-term/long-term emulation
The variable step emulation technology of demand；
Step 2.2, for typical scene and different test sequences, determine team control group's mode transfer type and dynamic whole process simulation mould
The interface and sequential compounding technique of type, create the dynamic overall process towards more microgrid groups/virtual power supply group's complexity active distribution network
Digital Simulation test system；
Step 2.3, establish microgrid group/virtual power supply group's autonomous control strategy, be Multiple Time Scales Optimized Operation strategy, active
The simulation model of reactive complementation coordination optimization strategy and net-source-lotus coordination control strategy, automation strategy is verified by Digital Simulation
Validity.
The step (3) specifically includes following content：
Step 3.1, for exemplary simulation scene, microgrid group/internal and external traffic model of virtual power supply group is covered in foundation
With electric power-information simulation model of information interactive interface model, for simulating the letter in actual automation strategy implementation process
Interactive session is ceased, to realize the seamless access of actual physical device；And OPNET network simulation platforms are based on, by power distribution network
Communication network topology analysis, selection and design communication network protocol, communication mode and communication media, foundation include network model
With information-model of communication system of communication interface model；Send out for the communication delay in information interactive process, data packetloss and by mistake
Situation, the emulation of active distribution network information network and communication process is carried out based on OPNET；
Step 3.2, the microgrid group/virtual power supply group Hybrid Real Time Simulation for determining the more physics links of electric power-information and
Interactive interface synchronous method, electric power-information hybrid simulation framework and middleware are built, determines electric power-information hybrid simulation
Propulsion and synchronization mechanism；Determine the interfacing of electric power-between information Hybrid Real Time Simulation system and physics equipment under test；
Step 3.3, the active based on multi-core parallel concurrent emulation technology and RT-LAB structure towards microgrid group/virtual power supply group are matched somebody with somebody
Grid power-information Hybrid Real Time Simulation test system, meets real-time simulation testing requirement, realizes active distribution network electric power
The real-time Simulation of stream and information flow emulates with unified, and actual physical device is electric and seamless connection and the equivalence of communication interface
Model chooses and switching.
The step (4) specifically includes following content：
Step 4.1, the primary equipment power hardware assemblage on-orbit for determining electric network model connection distributed power source material object device
Measuring technology, the flexible cutting-in control and plug-and-play feature of test distributed power grid device；Test distributed power supply is
The stability of the lower power network of the automatic sharing capability of bearing power and the control of distributed power source plug and play after plug-and-play is grid-connected；
Step 4.2, determine electric network model connection group control device secondary device information hardware-in-the-loop test skill in kind
Art, status monitoring, information exchange and the control defencive function of crucial secondary device are tested, examines grid information system to distribution
The automatic sensing and integration ability of power supply status；For the running status of power distribution network under different scenes, the excellent of group control device is verified
Change ability of regulation and control.
The step (5) specifically includes following content：
Step 5.1, determine that power-information hardware in loop mixing of secondary device of simulation test platform while connection is imitative
True measuring technology, under the flexible interactive operational mode of net-source of active distribution network-lotus, test active distribution network net-source-lotus is more
Time scale, the coordination control of more optimization aims and collaboration Optimized model, including in a steady stream complementary, source net coordinate, net load interaction and
The interactive four kinds of states of source lotus；
Step 5.2, power distribution network difference running status is considered, for not known caused by active distribution network net-source-lotus interaction
The change of factor and distribution operation characteristic, in active power controller, Reactive Power Control, voltage-regulation and safe and stable operation
Aspect, net-source-lotus hierarchical layered coordination control strategy is verified, carry out active distribution network net-source-lotus coordination control ability is
Irrespective of size is tested.
Finally it should be noted that only illustrating technical scheme rather than its limitations with reference to above-described embodiment.Institute
The those of ordinary skill in category field is it is to be understood that those skilled in the art can repair to the embodiment of the present invention
Change or equivalent substitution, but these modifications or change are among pending claims are applied for.
Claims (6)
1. a kind of active distribution network performance test methods for including microgrid group, it is characterised in that imitative by dynamic overall process numeral
True test platform carries out performance test to the active distribution network comprising microgrid group, specifically comprises the following steps：
Step (1), multi-scale Modeling is carried out to the active distribution network comprising microgrid group；
Step (2), create towards policy validation active distribution network dynamic overall process Digital Simulation test system；
Step (3), the electric power-information Hybrid Real Time Simulation test system for creating equipment oriented test；
Step (4), based on electric power-information Hybrid Real Time Simulation test system plug and play distributed power source and team control are set
It is standby to be tested；
Step (5), interactive coordination control is opened to active distribution network based on electric power-information Hybrid Real Time Simulation test system
System is tested.
A kind of 2. active distribution network performance test methods for including microgrid group according to claim 1, it is characterised in that institute
State step (1) and specifically include following content：
Step 1.1, based on photovoltaic, wind-powered electricity generation, the mathematical modeling of energy storage exemplary distribution formula power supply and local control strategy, establish distribution
Formula power supply Multiple Time Scales simulation model, access the situation of power distribution network on a large scale for distributed power source, consider space point
Cloth concentration degree, multimachine output similarity and network topology mechanism, established using sensitivity analysis and Fuzzy Cluster Analysis method more
The overall sensitivity and polymerization index of machine distributed power source, form the distribution for considering different control modes and different elements composition
Power supply multimachine clustering method；
Step 1.2, using distributed power source multimachine clustering method, establish the Multiple Time Scales cluster of microgrid group/virtual power supply group
Equivalent Model；According to converter topology, control method and control parameter, proposed based on equivalent aggregation principle and parameter identification method more
Machine electro-magnetic transient equivalence method, and establish microgrid group/virtual power supply clustering class electro-magnetic transient Equivalent Model；Analysis distribution formula power supply
The different instantaneously coupled characteristics between the time constant of mode, damped coefficient, natural frequency and mode, using mode method for simplifying
Establish microgrid group/virtual power supply clustering class Dynamic Simulation Model；Analysis distribution formula power supply is under different scenes and working condition
Active frequency, reactive voltage characteristic, cluster cell stable state Equivalent Model is established using capacity weighting method；
Step 1.3, the multiscale simulation model using microgrid group/virtual power supply group, for the different running statuses of power distribution network, grind
Study carefully the synthesis output operation characteristic of microgrid group/virtual power supply group under Multiple Time Scales, specify point in microgrid group/virtual power supply group
The influence of cloth power type, number of power sources, spatial distribution, control model to operation characteristic；From distributed power source on the spot it is controllable,
Research microgrid group/virtual power supply group interacts operating mechanism with power distribution network in terms of combined dispatching, switch in distribution Running State,
When failure or workload demand change, realize that distributed power source is adjusted to the active power controller of power distribution network, Reactive Power Control, voltage
The Auxiliary support of section and security and stability control, improve the response of scale distributed power source using microgrid group/virtual power supply group and match somebody with somebody
Power grid control and the friendly interaction capability of scheduling.
A kind of 3. active distribution network performance test methods for including microgrid group according to claim 2, it is characterised in that institute
State step (2) and specifically include following content：
Step 2.1, consider the requirement of different simulating scenes for emulation accuracy, convergence and speed, it is determined that meet it is short-term/in
Microgrid group/virtual power supply group Multiple Time Scales simulation model the method for optimizing for phase/emulate for a long time and model automatic switching method；For
Increase simulation accuracy, memory cost in optimization Simulation time and simulation process, it is determined that meeting mid-term/long-term emulation demand
Variable step emulation technology；
Step 2.2, for typical scene and different test sequences, determine team control group's mode transfer type and dynamic whole process simulation model
Interface and sequential compounding technique, create the dynamic overall process numeral towards more microgrid groups/virtual power supply group's complexity active distribution network
Emulation test system；
Step 2.3, establish microgrid group/virtual power supply group's autonomous control strategy, Multiple Time Scales Optimized Operation strategy, active reactive
The simulation model of complementation coordination optimization strategy and net-source-lotus coordination control strategy, having for automation strategy is verified by Digital Simulation
Effect property.
A kind of 4. active distribution network performance test methods for including microgrid group according to claim 3, it is characterised in that institute
State step (3) and specifically include following content：
Step 3.1, for exemplary simulation scene, microgrid group/virtual power supply group internal and external traffic model and letter are covered in foundation
Electric power-information simulation model of interactive interface model is ceased, is handed over for simulating the information in actual automation strategy implementation process
Mutual link, to realize the seamless access of actual physical device；And OPNET network simulation platforms are based on, by leading to power distribution network
Communication network topological analysis, is selected and design communication network protocol, communication mode and communication media, foundation include network model and led to
Believe information-model of communication system of interface model；For the communication delay in information interactive process, data packetloss and heat by mistake
Condition, the emulation of active distribution network information network and communication process is carried out based on OPNET；
Step 3.2, the microgrid group/virtual power supply group Hybrid Real Time Simulation for determining the more physics links of electric power-information and interaction
Interface synchronization method, electric power-information hybrid simulation framework and middleware are built, determines pushing away for electric power-information hybrid simulation
Enter and synchronization mechanism；Determine the interfacing of electric power-between information Hybrid Real Time Simulation system and physics equipment under test；
Step 3.3, based on multi-core parallel concurrent emulation technology and RT-LAB structure towards microgrid group/virtual power supply group active distribution network
Electric power-information Hybrid Real Time Simulation test system, meets real-time simulation testing requirement, realize active distribution network flow of power and
The real-time Simulation of information flow emulates with unified, and actual physical device electrically and communication interface seamless connection and Equivalent Model
Choose and switch.
A kind of 5. active distribution network performance test methods for including microgrid group according to claim 4, it is characterised in that institute
State step (4) and specifically include following content：
Step 4.1, the primary equipment power hardware assemblage on-orbit test for determining electric network model connection distributed power source material object device
Technology, the flexible cutting-in control and plug-and-play feature of test distributed power grid device；Test distributed power supply is inserted i.e.
With the stability of the automatic sharing capability of bearing power after grid-connected and the lower power network of distributed power source plug and play control；
Step 4.2, electric network model connection group control device secondary device information hardware-in-the-loop test technology in kind is determined, surveyed
Status monitoring, information exchange and the control defencive function of crucial secondary device are tried, examines grid information system to distributed power source
The automatic sensing and integration ability of state；For the running status of power distribution network under different scenes, verify that the optimization of group control device is adjusted
Control ability.
A kind of 6. active distribution network performance test methods for including microgrid group according to claim 5, it is characterised in that institute
State step (5) and specifically include following content：
Step 5.1, determine simulation test platform while connect power-information hardware in loop hybrid simulation survey of a secondary device
Examination technology, under the flexible interactive operational mode of net-source of active distribution network-lotus, test active distribution network net-source-lotus more times
Yardstick, the coordination control of more optimization aims and collaboration Optimized model, including coordination, net load interaction and source lotus are netted in complementary, source in a steady stream
Interactive four kinds of states；
Step 5.2, power distribution network difference running status is considered, for active distribution network net-source-uncertain factor caused by lotus interaction
And the change of distribution operation characteristic, in active power controller, Reactive Power Control, voltage-regulation and safe and stable operation side
Face, net-source-lotus hierarchical layered coordination control strategy is verified, carry out the system that active distribution network net-source-lotus coordinates control ability
Level test.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109145503A (en) * | 2018-09-18 | 2019-01-04 | 东南大学 | A kind of Dynamic High-accuracy modeling method of photovoltaic plant cluster |
| CN110377958A (en) * | 2019-06-21 | 2019-10-25 | 国网江苏省电力有限公司电力科学研究院 | Microgrid group/virtual power supply group power information physical simulation system and method |
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