CN108153167A - It can flexible configurations power distribution network dynamic model experiment platform and its method - Google Patents
It can flexible configurations power distribution network dynamic model experiment platform and its method Download PDFInfo
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Abstract
The invention discloses one kind can flexible configurations power distribution network dynamic model experiment platform and its method, including an analog subsystem, an access subsystem, electrical secondary system, configuration dynamic model management system and communication subsystem；Analog subsystem and an access subsystem are connected by cable or quick connection port mouth using configuration connecting line；Analog subsystem is connect after voltage transformer, current transformer by secondary connecting cable or directly by linear quadratic control cable with electrical secondary system；Communication subsystem manages system with an analog subsystem, electrical secondary system and configuration dynamic model by cable and connect；Entire distribution network of the analog subsystem for composition including source, net, lotus；Electrical secondary system is used to that whole system process variable to be monitored and controlled；Configuration dynamic model management system is for the modeling of distribution network, intelligent configuration, testing scheme and the formulation of experiment scene, the control of experimentation and monitoring, the collection of experimental data, playback and storage.
Description
Technical field
It can flexible configurations power distribution network dynamic model experiment the present invention relates to power distribution network physics dynamic model experiment platform more particularly to one kind
Platform and its method.
Background technology
In recent years, the new elements such as distributed generation resource (DG), static reactive generator (SVG), Static Var Compensator (SVC)
It is constantly linked into distribution, new intelligent secondary device, as intelligent distribution type feeder automation terminal device, smart grounding are set
Standby, comprehensive adaptive feeder automation (FA) system also continues to bring out in distribution.The addition of these new elements causes power distribution network
Trend and voltage level etc. change, while also feed line automatization terminal equipment, relay protection strategy etc. are brought
It influences.In addition, the change of small current neutral grounding system earthing mode can also carry out centainly the interacting strip of one secondary device of power distribution network
It influences.The addition of the primary elements such as DG, SVG, SVC to power distribution network secondary device and is connect therefore, it is necessary to an experiment porch
The change of ground mode caused by the interaction of one secondary device of power distribution network on influencing to be studied and verified.
Power distribution network dynamic simulation experiment is a kind of physical simulation method, can more intuitively reflect the physical process of original system with
Phenomenon is more intuitive to the research of distribution Key Technology, effective using physics dynamic model.But current existing power distribution network physics moves
Mould experiment porch is restricted mostly by following aspect：
(1) change of existing experiment porch distribution network topology and the switching of experiment scene are connect by quick configuration
Mouth and the local switch of operation, and wiring is complicated, such as the flexible configurations experiment porch referred in patent CN201310047763.7
It is a kind of modularized design, configuration fully relies on artificial wiring and manual operation switch, can not realize real flexible configurations；
(2) test of existing experiment porch not secondary devices such as feeder support automatization terminal and protective relaying device.
For this purpose, the present invention has considered the access of the primary elements such as distributed generation resource, SVG, SVC, while take into account feeder line
The testing requirement of the secondary devices such as automatization terminal, protective relaying device, it is proposed that one kind can flexible configurations power distribution network dynamic model reality
Test platform, the distribution network grid structure which can form is various, and the experiment scene that can be simulated enriches, distribution network modeling with
Experiment scene switching can flexible configurations, and power distribution network secondary device can be tested, verify that feeder automation or relay are protected
The correctness of shield action.
Invention content
The present invention in view of the deficienciess of the prior art, provide one kind can flexible configurations power distribution network dynamic model experiment platform and
Its method, the platform is using the ratio simulation 10kV power distribution networks such as 400V voltage class, available for research wind turbine, photovoltaic, energy storage, diesel oil
The new elements such as generator distributed power supply and SVG, SVC access the influence to distribution network operation, the distribution network that can be formed
Various, the experiment scene that can be set enriches, and distribution network modeling and experiment scene switching can flexible configurations, while can be to matching
Electric grid secondary equipment is tested, and verifies the correctness of feeder automation or relay protection action.
To achieve these goals, the present invention adopts the following technical scheme that：
One kind can flexible configurations power distribution network dynamic model experiment platform, including an analog subsystem, access subsystem, two
Subsystem, configuration dynamic model management system and communication subsystem；Analog subsystem and an access subsystem lead to
It crosses cable or quick connection port mouth is connected using configuration connecting line；Analog subsystem is by voltage transformer, electric current
It is connect after mutual inductor by secondary connecting cable or directly by linear quadratic control cable with the electrical secondary system；The communication subsystem
System manages system with an analog subsystem, the electrical secondary system and the configuration dynamic model by cable and connect；It is described
Entire distribution network of the analog subsystem for composition including source, net, lotus；The electrical secondary system is used for being entirely
System process variable is monitored and is controlled；The configuration dynamic model management system is used for modeling, intelligent configuration, testing for distribution network
The formulation of scheme and experiment scene, the control of experimentation and monitoring, the collection of experimental data, playback and storage.
Optionally, the electrical secondary system includes secondary communication subsystem and secondary access subsystem, secondary observing and controlling
System is used to monitor switches all in an analog subsystem, an access subsystem, control and waveform
It records；The secondary access subsystem is used to reserve test interface for feed line automatization terminal to be measured, protection equipment.
Optionally, the secondary communication subsystem includes multimode distribution terminal and failure wave-recording equipment, the multimode distribution
Terminal is used to undertake different automation functions according to the difference of the position of the switch, configuration role；The failure wave-recording equipment is used for
Complete voltage, electric current, switching value recording.
Optionally, two voltage transformers and eight current transformers are configured in each switch of system, wherein：Two electricity
Press mutual inductor for two line voltages of extraction system so that the multimode distribution terminal and the failure wave-recording equipment acquire；Four
A current transformer for extraction system three phase currents and a zero-sequence current for the multimode distribution terminal with it is described
Failure wave-recording equipment acquires；Three phase currents and a zero-sequence current of four additional current transformer extraction system are for be measured
Secondary device acquires, frequent wiring when being accessed to avoid Devices to test.
Optionally, the configuration dynamic model management system includes the modeling unit, intelligent configuration unit, test of distribution network
Scheme and experiment scene formulate unit, the control of experimentation and the collection, analysis, playback of monitoring unit and experimental data with
Storage unit, the modeling unit of the distribution network is for the completion experiment drafting of topological diagram, the definition of device attribute, equipment ginseng
Several configurations；The intelligence configuration unit is used to generate optimal connection plan according to the distribution network automatic configuration of drafting, and
Power switch, on-load switch and line switching that can be in one key switching network；The formulation list of the testing scheme and experiment scene
Member is used to that position to occur to earthing mode, ground resistance, Arc Suppression Coil Compensation Degree, fault type, fault resistance, trouble point
It is configured；The control of the experimentation is used to acquire the secondary communication subsystem to the primary simulation with monitoring unit
The telemetering of subsystem, remote signalling, remote-control data monitor in real time；Collection, analysis, playback and the storage unit of the experimental data are used for
Complete the playback and storage of test data and test waveform.
Optionally, the source includes 400V power supplys, wind-powered electricity generation simulator, photovoltaic simulator, energy storage simulator, diesel-driven generator
One or more combinations in simulator and three-phase Programmable AC Power Source.
Optionally, the net includes analog line component, switch module, PT/CT, analog bus component, capacitance compensation group
One or more combinations in part, grounding assembly and fault simulation component.
Optionally, the analog line component includes overhead line analog module and cable analog module, and circuit uses π types
Centralized parameter is simulated.
Optionally, the overhead line analog module is composed in series by resistance and inductance；The cable analog module is by electricity
Resistance, inductance and direct-to-ground capacitance composition.
Optionally, the switch module includes the power switch, the line switching that are made of the breaker of plastic casing of electrification behaviour
And on-load switch.
Optionally, a multimode distribution terminal is configured in each switch of system, is remotely controlled by the multimode distribution terminal
Control the open and close of breaker, and the voltage, electric current and switching value for passing through multimode distribution terminal acquisition system.
Optionally, the analog bus component includes 6 sets of high current ABC quick couplings and copper bar, for forming 6 branches
Line.
Optionally, the pocket include charging pile, RL simulation load, RC simulation load, RLC simulation load, nonlinear-load,
One or more combinations in energy electronics load and load access component.
Optionally, the RL simulates load, the RC simulates load and the connecting mode of RLC simulation loads is △,
Y0、YNIt can set, and payload may also set up, wherein：△ be delta connection mode, Y0For isolated neutral wiring
Mode, YNFor neutral grounding mode.
Optionally, an access subsystem supports the primary elements such as distributed generation resource, SVG, SVC, nonlinear-load
Access.
A kind of method for implementing above-described dynamic model experiment platform, includes the following steps：
Step S1：The modeling of distribution network draws distribution network, and the device attribute of an analog subsystem is determined
Justice；
Step S2：System scale and the configuration of Folding-Screen cabinets arrangement；
Step S3：According to the distribution network topological diagram of drafting and the configuration Folding-Screen cabinets of system arrangement file, optimal wiring is generated
Scheme, for guiding experiment wiring；
Step S4：A set of multimode distribution terminal is configured, and complete to the power switch, line switching, on-load switch of system
Into multimode distribution terminal configuration parameter generation with issuing, the i.e. controllable corresponding switch of multimode distribution terminal after configuration successful；
Step S5：The switching of switch is performed according to the latter key of connection plan wiring, while according to the load connection side of configuration
Formula automatically switches the connecting mode switching switch of load simulation component and payload GSS Gear Select Switch with payload；
Step S6：The structure of experimental program；
Step S7：Trouble point occurs that fault simulation component is passed through configuration connecting line according to connection plan after position is configured
It is connected in network, and issues experimental program and start to perform test；Grounding assembly receives experimental program with fault simulation component
Afterwards, automatically switch internal switch to meet the needs of experiment scene；
Step S8：When need to carry out secondary device test, distribution feeder automatization terminal or relay protection device are led to respectively
Terminal access component access dynamic model experiment platform to be measured is crossed, and proceeds by various distribution network failure working condition experimentings；
Step S9：The monitoring and control of experimentation, collection voltages, current data and the wave for calling failure wave-recording equipment
Shape；
Step S10：Collection, analysis, playback and the storage of experimental data.
Compared with prior art, the method have the benefit that：
The present invention be it is a kind of really can flexible configurations power distribution network dynamic model experiment platform, Modeling of Distribution Network and experiment scene
Switching can flexible configurations, experiment can be completed without too many local manual operation；
The present invention supports the flexible access of primary element, such as SVG, SVC, nonlinear-load；
The present invention supports the test of secondary device, can flexible access feed line automatization terminal and relay protection device etc. two
Secondary device, and its action correctness is verified, and wiring is simple during test；
The whole experiment process of the present invention can be monitored, be can control.
Certainly, it implements any of the products of the present invention it is not absolutely required to while reaches above-described advantage used.
Description of the drawings
Fig. 1 be one embodiment of the invention can flexible configurations power distribution network dynamic model experiment platform structure chart；
Fig. 2 is the structure chart of an analog subsystem of one embodiment of the invention；
Fig. 3 is that the terminal to be measured of one embodiment of the invention accesses the schematic diagram of component.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the present invention
The mode of applying is explained in detail.
One kind can flexible configurations power distribution network dynamic model experiment platform mainly by an analog subsystem, an access subsystem,
Secondary communication subsystem, secondary access subsystem, configuration dynamic model management system and communication subsystem composition, as shown in Figure 1.
Analog subsystem constitutes entire distribution network, includes source, net, lotus etc., as shown in Figure 2.
" source " mainly includes 400V power supplys, wind-powered electricity generation simulator, photovoltaic simulator, energy storage simulator, diesel-driven generator
The compositions such as simulator distributed power supply simulator and three-phase Programmable AC Power Source, it is contemplated that the capacity of short circuit of experimental system
Cannot be too big, it will be very big that otherwise system scale or equipment are influenced in itself, therefore all power supplys of this system pass through one
The isolating transformer access of 50kVA.
" net " mainly by analog line component, switch module, PT/CT, analog bus component, capacitance compensation component,
The compositions such as grounding assembly, fault simulation component.
The analog line component is mainly made of overhead line analog module and cable analog module, and circuit uses π types
Centralized parameter is simulated, and overhead line analog module is ignored over the ground, is composed in series by resistance and inductance, cable analog module
It is made of resistance, inductance and direct-to-ground capacitance, line parameter circuit value can be more equivalent than carrying out with system impedance simulation according to 10kV line parameter circuit values
It calculates, and analog line component can simulate different length overhead line or cable run, such as 100m, 200m, 300m, 500m, 1000m
Wait the line module of different lengths.
The switch module mainly includes power switch, line switching, on-load switch etc., switchs the plastic housing by electrification behaviour
Breaker forms, and the rated power supply of power switch and on-load switch is selected as 100A, and the rated current of line switching is selected as 200A.By
It is grasped in breaker with electricity, you can closure and the disconnection of breaker are controlled by the normally opened of external remote control breaker, normally-closed contact.
A multimode distribution terminal is configured in each switch of this system, by the closure of multimode distribution terminal remote control breaker with
It disconnects.
The PT/CT is mainly for being convenient for the acquisition and monitoring of system operational parameters such as voltage, electric current etc..System monitoring two
A line voltage, three phase currents and a zero-sequence current, the no-load voltage ratio of PT (voltage transformer) select 380/100V, and phase current corresponds to
CT (current transformer) no-load voltage ratio select 100/5A, the corresponding CT no-load voltage ratios of zero-sequence current select 50/5A.Each switch of system is equal
2 PT of configuration are for gathering line voltage, and 4 CT are for acquiring phase current and zero-sequence current, and particularly, the present invention in order to balance two
The test of secondary device, and in order to avoid frequent wiring during test, add one group of CT (4) for the access of secondary device to be measured,
I.e. each 2 PT of switchgear distribution, 8 CT.
The analog bus component is mainly for adapting to the demand of multiple-limb distribution network, and each analog bus component is by 6
It covers high current ABC quick couplings to form with copper bar, 6 branch lines can be formed.
The capacitance compensation component is primarily to the capacity current over the ground of compensation system.Since singlephase earth fault is tested
Fault current be mainly system capacity current over the ground, and the cable length of pilot system simulation is limited, therefore capacitive over the ground
Very little is realized phenomenon unobvious by electric current.When carrying out single-phase earthing experiment, by capacitance compensation modules in parallel on power source bus.
The grounding assembly mainly constructs small current neutral grounding system.The 400V power supplys of power distribution network dynamic model experiment platform are general
By the distribution transformer of 10/0.4kV and the isolating transformer of 0.4/0.4kV, and the bind mode of distribution transformer is generally
△/YN, the bind mode of isolating transformer is YN/△.System cannot form neutral point in this way, both may be used after adding in grounding assembly
The mode of connection of neutral point, also flexibly configurable small current neutral grounding system is formed, if isolated neutral system, neutral point are through disappearing
Arc coil earthed system and Neutral Point Through Low Resistance system.The compensativity of arc suppression coil can have in a certain range simultaneously
Grade is adjustable, and system is made to be in the state of undercompensation, full compensation and overcompensation；And the ground resistance of small resistance grounding system also may be used
There is the grade adjustable in a certain range.
The fault simulation component is primarily to carry out malfunction test.Fault simulation component can be according to fault type and event
The difference for hindering transition resistance sets different fault scenes, such as singlephase earth fault, two-phase short-circuit fault, line to line fault ground connection event
Barrier, three phase short circuit fault, three-phase shortcircuit earth fault, and fault resistance can be set as low-resistance, middle resistance in a certain range
Or high resistive fault.
" lotus " is mainly by charging pile, RL simulations load, RC simulations load, RLC simulations load, nonlinear-load, feedback
The compositions such as energy formula electronic load, load access component.
The RL simulations load, RC simulation loads and the connecting mode of RLC simulation loads are △, Y0、YNIt can set, and
Payload may also set up.The flexible of the flexibility and changeability of load connecting mode and payload adjustable is greatly enriched dynamic model
The function of experiment porch such as accesses single-phase load and carries out Intelligent platform zone experiment, and it is uneven that access three-phase imbalance load carries out three-phase
Weighing apparatus administers experiment etc..
The charging pile can be also used as in load addition system with energy electronic load, energy electronic load maximum
Feature is to power grid feedback electric energy, saves electric energy to the maximum extent.
For the load access component primarily to the load convenient for system extends, such as addition nonlinear-load studies distribution
The stability of net and the reliability of power distribution network relay protection or feeder automation etc..
Access subsystem primarily to convenient for system Function Extension, such as add in distributed generation resource, SVG with
SVC or other new elements, the primary component that accesses equally are formed by switching with high current ABC quick couplings.
The secondary communication subsystem is mainly made of multimode distribution terminal and failure wave-recording equipment.Pass through the two equipment
It can be to monitoring, control, the waveform recording of all switches in an analog subsystem, an access subsystem, so as to fulfill to reality
Test monitoring, control, analysis and the research of process.Multimode distribution terminal can undertake according to the difference of the position of the switch, configuration role
Different automation functions typically comprises three distant terminals, overcurrent protection, electric current attribute FA terminals, voltage-time type FA ends
End, boundary switch controller, intelligent distributed FA terminals etc..Failure wave-recording equipment mainly completes the record of voltage, electric current, switching value
Wave.
The secondary access subsystem is mainly that feed line automatization terminal to be measured, protection equipment reserve test interface, such as Fig. 3
Terminal access component to be measured is shown, by the banana bin interface shown in it, it is 0 that terminal device to be measured, which can obtain range,
Two line voltage U of~100VabWith UcbAnd three phase current I that range is 0~5Aa、Ib、IcWith a zero-sequence current I0, with
And one group of remote signalling and remote signal.By the telemetering of secondary device to be measured, remote signalling, remote control respectively with the secondary access subsystem of system
Connection, builds a distribution network model, and set different failure fields on the mold on power distribution network dynamic model experiment platform
Scape, such as position occurs for setting system type, failure, moment, fault type occur for failure.In being by power configuration during test
Property point is earth-free, Neutral Point Through Low Resistance system, neutral by arc extinction coil grounding system, failure occurs position and may be selected
Outlet failure, bus-bar fault, stand between failure, branch line failure etc., the moment occurs for failure can be in 0~360 ° of (relative to voltage) model
Interior setting is enclosed, fault type may be configured as singlephase earth fault, two-phase short-circuit fault, line to line fault earth fault, three-phase shortcircuit
Failure, three-phase shortcircuit earth fault etc., fault simulation start after, secondary device will starting protection, the corresponding switch of tripping can
Judge whether the protection act logic of secondary device and feeder automation action are correct, that is, realize according to switch changed position SOE
The verification of correctness acted to the protection act logic of secondary device and feeder automation.
Configuration dynamic model management system is mainly used for the modeling of distribution network, intelligent configuration, testing scheme and experiment
The formulation of scene, the control of experimentation and monitoring, the collection of experimental data, playback and storage etc..Configuration dynamic model manages system
Modeling unit including distribution network, intelligent configuration unit, testing scheme and experiment scene formulate unit, experimentation
Control is mainly completed with monitoring unit and collection, analysis, playback and the storage unit of experimental data, the modeling unit of distribution network
The drafting of primary connection figure, the definition of device attribute, configuration of device parameter etc.；Intelligent configuration unit is mainly according to drafting
Distribution network automatic configuration generates optimal connection plan, and can be in one key switching network power switch, on-load switch and circuit
Switch；The formulation unit of testing scheme and experiment scene is mainly to earthing mode, ground resistance, Arc Suppression Coil Compensation Degree, failure
Type, fault resistance, trouble point occur position etc. and are configured；The control of experimentation is with monitoring unit mainly by adopting
Collect secondary communication subsystem to three distant data of primary system and monitor in real time；Collection, analysis, playback and the storage of experimental data
Unit mainly completes playback and storage of test data and test waveform etc..
Communication subsystem mainly completes part intelligent assembly, secondary communication subsystem and configuration in an analog subsystem
The networking of dynamic model management system and the networking of electrical secondary system to be measured.
Below to the specific implementation further instruction of the power distribution network dynamic model experiment platform.
Step S1：Distribution network is drawn in the modeling of distribution network, such as single supply beta radiation Connection Mode, the double spokes of dual power supply
Connection Mode, three are penetrated for one for Connection Mode, three-sectioned and three-linked network pattern, 4 × 6 Connection Modes etc., and to once simulating
The device attribute of subsystem is defined.Particularly, can be limited during modeling by a simulation system scale, as number of power sources,
The quantity of overhead line analog module, the quantity of network switching, the quantity of capacitance compensation component, connects the quantity of cable emulation module
The quantity of ground component, the quantity of fault simulation component, quantity of load simulation module etc..Therefore system scale should not be too small, no
The model then built will be limited；
Step S2：System scale and the configuration of screen cabinet arrangement.Screen cabinet is generated according to the scale of the configuration screen cabinet of system configuration
It arranges file, mainly includes the module information of each screen cabinet；
Step S3：According to the distribution network topological diagram of drafting and the configuration screen cabinet of system arrangement file, optimal wiring is generated
Scheme, for guiding experiment wiring；
Step S4：A set of multimode distribution is configured in each switch such as power switch, line switching, on-load switch to system
Terminal, and complete multimode distribution terminal configuration parameter generation with issuing, after configuration successful multimode distribution terminal i.e. can control pair
The switch answered；
Step S5：The switching of switch is performed according to the latter key of connection plan wiring, such as power switch, line switching and load
Switch etc. can automatically switch；Load simulation component is automatically switched according to the load connecting mode of configuration and payload simultaneously
Connecting mode switching switch and payload GSS Gear Select Switch；
Step S6：The structure of experimental program.To earthing mode (isolated neutral, neutral by arc extinction coil grounding, in
Property point through low resistance grounding), ground resistance, Arc Suppression Coil Compensation Degree (undercompensation, full compensation, overcompensation), fault type it is (single-phase
Earth fault, two-phase short-circuit fault, line to line fault earth fault, three phase short circuit fault, three-phase shortcircuit earth fault), failure mistake
Cross resistance (low-resistance, middle resistance, high resistant), trouble point occurs position etc. and is configured；
Step S7：Trouble point occurs that fault simulation component is passed through configuration connecting line according to connection plan after position is configured
It is connected in network, and issues experimental program and start to perform test.Grounding assembly receives experimental program with fault simulation component
Afterwards, automatically switch internal switch to meet the needs of experiment scene；
Step S8：When need to carry out secondary device (distribution feeder automatization terminal or relay protection device) test, by distribution
Feed line automatization terminal or relay protection device access component by terminal to be measured respectively and access dynamic model experiment platform, and start into
The various distribution network failure working condition experimentings of row, you can verify feeder automation function and the relay protection of feed line automatization terminal to be measured
The action correctness of equipment is verified；
Step S9：The monitoring and control of experimentation, collection voltages, current data and the wave for calling failure wave-recording equipment
Shape；
Step S10：Collection, analysis, playback and the storage of experimental data.
One kind provided by the invention can flexible configurations power distribution network dynamic model experiment platform and its method, available for research wind turbine,
The new elements such as photovoltaic, energy storage, diesel-driven generator distributed power supply and SVG, SVC access the influence to distribution network operation, can
The distribution network of composition is various, and the experiment scene that can be set enriches, and distribution network modeling can be flexible with experiment scene switching
Configuration if cannot carry out automatically switching that wiring directory will be provided during configuration, reduces the competency profiling to experimenter；Simultaneously
Power distribution network secondary device can be tested, verify the correctness of feeder automation or relay protection action.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (10)
1. one kind can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that including an analog subsystem, primary access
Subsystem, electrical secondary system, configuration dynamic model management system and communication subsystem；Analog subsystem and the primary access
Subsystem is connected by cable or quick connection port mouth using configuration connecting line；Analog subsystem passes through mutual induction of voltage
It is connect after device, current transformer by secondary connecting cable or directly by linear quadratic control cable with the electrical secondary system；It is described
Communication subsystem manages system by a cable and analog subsystem, the electrical secondary system and configuration dynamic model and connects
It connects；Entire distribution network of the analog subsystem for composition including source, net, lotus；The electrical secondary system is used for
Whole system process variable is monitored and controlled；The configuration dynamic model management system is used for modeling, being intelligent for distribution network
Configuration, the formulation of testing scheme and experiment scene, the control of experimentation and monitoring, the collection of experimental data, playback and storage.
2. according to claim 1 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the electrical secondary system
Including secondary communication subsystem and secondary access subsystem, the secondary communication subsystem is used for the primary simulation subsystem
System, all switches are monitored, are controlled and waveform recording in an access subsystem；The secondary access subsystem is used for
Test interface is reserved for feed line automatization terminal to be measured, protection equipment.
3. according to claim 2 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the secondary observing and controlling
Subsystem includes multimode distribution terminal and failure wave-recording equipment, and the multimode distribution terminal is used for according to the position of the switch, configuration angle
The difference of color undertakes different automation functions；The failure wave-recording equipment be used for complete voltage, electric current, switching value recording.
4. according to claim 3 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that each of system opens
Two voltage transformers and eight current transformers are configured in Guan Jun, wherein：Two voltage transformers are used for two of extraction system
Line voltage acquires for the multimode distribution terminal and the failure wave-recording equipment；Four current transformers are for extraction system
Three phase currents and a zero-sequence current are for the multimode distribution terminal and failure wave-recording equipment acquisition；Four additional electricity
Three phase currents and a zero-sequence current of current transformer extraction system acquire for secondary device to be measured.
5. according to claim 2 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the configuration dynamic model
Management system includes formulation unit, the reality of the modeling unit of distribution network, intelligence configuration unit, testing scheme and experiment scene
Test the control of process and monitoring unit and collection, analysis, playback and the storage unit of experimental data, the modeling of the distribution network
Unit is for the completion experiment drafting of topological diagram, the definition of device attribute, the configuration of device parameter；The intelligence configuration unit
For generating optimal connection plan according to the distribution network automatic configuration of drafting, and can be in one key switching network power switch,
On-load switch and line switching；The formulation unit of the testing scheme and experiment scene is used for earthing mode, ground resistance, disappears
Arc coil compensativity, fault type, fault resistance, trouble point occur position and are configured；The control of the experimentation
It is used to acquire telemetering, remote signalling, remote-control data of the secondary communication subsystem to an analog subsystem with monitoring unit
Monitoring in real time；Collection, analysis, playback and the storage unit of the experimental data are used to complete time of test data and test waveform
It puts and stores.
6. according to claim 1 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the source includes
400V power supplys, wind-powered electricity generation simulator, photovoltaic simulator, energy storage simulator, diesel-driven generator simulator and three-phase may be programmed alternating current
One or more combinations in source.
7. according to claim 1 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the net includes mould
Intend in circuit pack, switch module, PT/CT, analog bus component, capacitance compensation component, grounding assembly and fault simulation component
One or more combinations.
8. according to claim 1 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the pocket, which includes, to be filled
Electric stake, RL simulations load, RC simulations load, RLC simulations load, nonlinear-load, energy electronics load and load access group
One or more combinations in part.
9. according to claim 1 can flexible configurations power distribution network dynamic model experiment platform, which is characterized in that the primary access
Subsystem can access primary element, and support the test of secondary device, while can generate wiring side according to the distribution network of drafting
Case.
10. a kind of method for implementing the dynamic model experiment platform described in aforementioned any claim, includes the following steps：
Step S1：The modeling of distribution network draws distribution network, and the device attribute of an analog subsystem is defined；
Step S2：System scale and the configuration of Folding-Screen cabinets arrangement；
Step S3：According to the distribution network topological diagram of drafting and the configuration Folding-Screen cabinets of system arrangement file, optimal connection plan is generated,
For guiding experiment wiring；
Step S4：A set of multimode distribution terminal is configured to the power switch, line switching, on-load switch of system, and completes more
The generation of mould distribution terminal configuration parameter is with issuing, and multimode distribution terminal can control corresponding switch after configuration successful；
Step S5：Perform the switching of switch according to the latter key of connection plan wiring, at the same according to the load connecting mode of configuration with
Payload automatically switches the connecting mode switching switch of load simulation component and payload GSS Gear Select Switch；
Step S6：The structure of experimental program；
Step S7：Trouble point occurs to be connected fault simulation component by configuration connecting line according to connection plan after position is configured
Into network, and issue experimental program and start to perform test；After grounding assembly receives experimental program with fault simulation component, from
It is dynamic to switch internal switch to meet the needs of experiment scene；
Step S8：When need to carry out secondary device test, by distribution feeder automatization terminal or relay protection device respectively by treating
Terminal access component access dynamic model experiment platform is surveyed, and proceeds by various distribution network failure working condition experimentings；
Step S9：The monitoring and control of experimentation, collection voltages, current data and the waveform for calling failure wave-recording equipment；
Step S10：Collection, analysis, playback and the storage of experimental data.
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