CN106647712B - Direct-current grid control strategy test macro and method - Google Patents
Direct-current grid control strategy test macro and method Download PDFInfo
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- CN106647712B CN106647712B CN201611261139.7A CN201611261139A CN106647712B CN 106647712 B CN106647712 B CN 106647712B CN 201611261139 A CN201611261139 A CN 201611261139A CN 106647712 B CN106647712 B CN 106647712B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24026—Latch, block unlatch, unblock
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The present invention relates to power electronics field, a kind of direct-current grid control strategy test macro and method are disclosed.Comprising: which the first host computer is communicatively coupled to Local Controller, and for generating the program of control on the spot and the configurator run in Local Controller；Local Controller is used to run control program on the spot, and, to generate the control signal on the spot for corresponding to each microgrid power module, Local Controller is also used to running configuration program, and issues the configuration signal for corresponding to each microgrid power module；Control chip is used to configure filter and current transformer according to configuration signal, so that filter and current transformer work in operating mode corresponding with configuration signal；Control chip is also used to according to control signal control current transformer on the spot to control the operation that micro-capacitance sensor is controlled analog machine.Make the system that there is more preferably flexibility, versatility and stability using present embodiment, to be conducive to improve the testing efficiency of direct-current grid control strategy.
Description
Technical field
The present invention relates to power electronics field, in particular to a kind of direct-current grid control strategy test macro and side
Method.
Background technique
Direct-current grid is to be connected all micro batteries by a public DC bus in the form of DC distribution
The individually controllable system come.The research of direct-current grid control strategy is of great significance to the development of DC micro-electric network technology.
Currently, compared with frequently with direct-current grid control strategy test mode mainly include that all-digital real-time simulation and physics dynamic model are surveyed
Examination.
All-digital real-time simulation is that the main topology of microgrid, all controlled devices are built using electric power and simulation of power electronic software
And its relevant control algolithm, and by simulation management software by the main topology of microgrid, all controlled device models and its relevant
In analogue system, the advantages of this method is that the modification that can be convenient is emulated for control algolithm compiling, deployment and real time execution
Controlled device model topology, parameter and its relevant control algolithm are quickly tested in the way of online tune ginseng, modification control target etc.
Demonstrate,prove the function and validity of each relevant control algolithm in micro-capacitance sensor.But all-digital real-time simulation technology also has following problem: (1)
The especially controlled devices such as generator and battery use equivalent mathematical model in direct-current grid, have ignored the electricity of generator
Situations such as generator parameter variation in magnetic characteristic and operational process, battery parameter vary with temperature, thus be controlled with actual
Object is different；(2) real-time full digital trigger technique is the emulation of signal grade, is data between control algolithm and controlled device
Input and output, interact that related data conditioning postpones and communication protocol etc. is all with controller signals without practical controlled device
More problems, it is excessively ideal；(3) mathematical model of all-digital real-time simulation can power amplifier using power hardware in ring by way of and
Material object in other microgrids is connected, so that reducing influences brought by the inaccuracy of model, but physics material object and mathematical model
Physical interface equipment and interface algorithm can generate time delay when dealing with improperly, be unfavorable for the exploitation of direct-current grid control strategy.
And it is another compared with frequently with mode be that physics dynamic model is tested, wherein physics moving die test system includes: to imitate in real time
The physics equivalent simulation equipment etc. of each controlled device in true equipment, equivalent rectifier and inverter, microgrid.Using equivalent whole
Device and inverter are flowed to build the main electric power topological of micro-capacitance sensor, can be write out and are applied to using electric power and power electronics development system
The energy management control algolithm of direct-current grid, and pass through simulation management software for the direct-current grid energy management control algolithm
Compiling, deployment and real time execution are in analogue system.Physics moving die test system uses scaled equivalent simulation equipment
Come each controlled device in analog DC micro-capacitance sensor, DSP (the Digital Signal inside each equivalent moving die apparatus
The abbreviation of Processing, digital signal processor) or PLC (abbreviation of Programmable Logic Controller, can
Programmed logic controller) in operation have a control algolithm for being modeled device, while each PLC and DSP is with communication interface, can be with
The control target that direct-current grid energy manager is issued is received, and is transported according to the received control target control analog machine of institute
Row.The physical simulating device of practical equal proportion is used in physics moving die test system, intelligent power module and real-time simulation are set
It is standby, the true environment of direct-current grid control is greatly reduced, while having used can the different microgrid energy of fast and easy operation
The real-time simulation device of control algolithm is managed, and can flexibly change the object of the equal proportion of the physical topological structure of direct-current grid
Simulator and intelligent power module are managed, it is flat that more flexible research and development test can be provided for the research and development of direct-current grid control strategy
Platform.
Inventor has found in the implementation of the present invention: physics moving die test system is controlled as a direct-current grid
The exploitation test platform of strategy, there is a problem in that: (1) when entire direct-current grid topological structure changes, each object
Managing the communication between equivalent simulation equipment and with the real-time simulation device as direct-current grid energy manager needs according to specific
Topology carries out modification and debugging again, and there are the repetitions in workload；(2) each physics equivalent simulation equipment use carries
DSP or PLC operation is modeled the control algolithm of device, when the direct-current grid that needs simulate each physics equivalent simulation equipment
When the control algolithm of middle controlled device is modified, part physical equivalent simulation equipment does not open its control algolithm, thus needs
The control program code of modification equivalent simulation equipment and programming are rewritten into DSP or PLC, increases the complexity of test.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of direct-current grid control strategy test macro and method, so that
The system has more preferably flexibility, versatility and stability, to be conducive to improve the survey of direct-current grid control strategy
Try efficiency.
In order to solve the above technical problems, embodiments of the present invention provide a kind of direct-current grid control strategy test system
System, comprising: the first host computer, N number of Local Controller, several microgrid power modules with the communication connection of each Local Controller
And the micro-capacitance sensor connecting with each microgrid power module is controlled analog machine；Wherein, the N is positive integer；On described first
Position machine is communicatively coupled to the Local Controller, and for generate the program of control on the spot run in the Local Controller with
And configurator；The Local Controller corresponds to each microgrid power module for running the control program on the spot to generate
Control signal on the spot, the Local Controller is also used to run the configurator, and issues and correspond to each microgrid power
The configuration signal of module；The microgrid power module includes: control chip, filter and current transformer；The control chip
For being configured according to the configuration signal to the filter and current transformer, so that the filter and current transformer work
Make in operating mode corresponding with the configuration signal；The control chip is also used to according to the signal control of control on the spot institute
Current transformer is stated to control the operation that the micro-capacitance sensor is controlled analog machine.
Embodiments of the present invention additionally provide a kind of direct-current grid control strategy test method, control N number of on the spot
Device is communicated to connect with several microgrid power modules respectively, and micro-capacitance sensor is controlled analog machine and microgrid power module connects
It connects；Wherein, the N is positive integer；Each Local Controller and energy management controller are communicated to connect；It is raw in the first host computer
It consummately controls program and configurator and is deployed in N number of Local Controller；Each Local Controller runs the configuration journey
Sequence, and issue correspond to microgrid power module configuration signal, each Local Controller also run described in control program on the spot, and
Signal is controlled on the spot to the transmission of corresponding microgrid power module；The control chip of the microgrid power module is matched according to
Confidence number in the microgrid power module filter and current transformer configure so that the filter and unsteady flow
Device works in operating mode corresponding with the configuration signal, and the control chip controls institute also according to the signal of control on the spot
Current transformer is stated to control the operation that corresponding micro-capacitance sensor is controlled analog machine.
Embodiment of the present invention in terms of existing technologies, passes through Local Controller, microgrid power module and micro-
Power grid is controlled the combination of analog machine to replace the equipment component in existing physics moving die test system, passes through the first host computer
It generates and controls program and configurator on the spot, so that control program is easily modified on the spot, and by configurator to micro- electricity
The operating mode of filter and current transformer in net power module is configured so that microgrid power module be operable with it is more
Kind mode, has more preferably versatility, to can set in direct-current grid topologies change to avoid physics equivalent simulation
Many and diverse operation of standby modification, debugging, meanwhile, the test macro of present embodiment also has preferable flexibility, stability, has
Conducive to the testing efficiency for improving direct-current grid control strategy.
In addition, the control chip is also used to: voltage collected on the filter, current signal being fed back to described
Local Controller；The current transformer is protected according to the collected voltage, current signal；And it is controlled described on the spot
Signal processed is converted into the pulse width modulation wave for controlling the current transformer.By control chip in integrated signal acquisition,
The function of equipment protection and control signal modulation etc. is more advantageous to drop so that the degree of integration of microgrid power module is higher
The complexity that low test macro is built.
In addition, the Local Controller and each microgrid power module mutually concatenate formed the first communication loop, it is described just
Ground controller and each microgrid power module are communicated by first communication loop.
In addition, first communication loop is fiber optic communication ring.Local Controller and each microgrid power module pass through high speed
Fiber optic communication ring is communicated, and can improve the real-time of test macro to avoid due to communication delay bring time delay.
In addition, the control chip is realized using field programmable gate array.
In addition, being stored with the first communication library file in first host computer, first host computer is also used to generate packet
The first signal procedure of the first communication library file is included, and for configuring the first communication library file；Wherein, described first
Communication library file is packaged with the communication type between the Local Controller and each microgrid power module；The micro-capacitance sensor
Power module is used to provide to corresponding Local Controller corresponding with the communication type that the first communication library file encapsulates
Whole communication informations, the Local Controller be used for run first signal procedure and by configure first communication library text
Part obtains the communication information of each microgrid power module.By will use between Local Controller and each microgrid power module
The communication information of data demand is packaged in advance, so that user is in actual use, it is only necessary to according to actual network topology into
The setting of the communication information exchanged between Local Controller and each microgrid power module can be completed in row easy configuration, further
Simplify user's operation.
In addition, the direct-current grid control strategy test macro further include: the second host computer and energy management control
Device；Second host computer is used to generate the energy management control program run in the energy management controller；The energy
Amount Management Controller is communicatively coupled to N number of Local Controller, and each micro-capacitance sensor for feeding back according to N number of Local Controller
The operating parameter of power module and the energy management control program, generate the energy pipe for corresponding to each microgrid power module
Reason control target value, and energy management control target value is sent to corresponding Local Controller；The Local Controller
For controlling target value and the control Program Generating on the spot corresponding to microgrid power module according to the energy management
Signal is controlled on the spot.
In addition, the energy management controller is mutually concatenated with N number of Local Controller forms the second communication loop；It is described
Energy management controller is communicated with N number of Local Controller by second communication loop.
In addition, being stored with the second communication library file in second host computer, second host computer is also used to generate packet
The second signal procedure of the second communication library file is included, and for configuring the second communication library file；Wherein, described
Two communication library files are packaged with the communication type between the energy management controller and each Local Controller；The energy
Management Controller and each Local Controller be also used to run second signal procedure and by configure second communication library into
The exchange of the row communication information.Believed by communication required by the data that will be used between energy management controller and each Local Controller
Breath is packaged in advance, so that user is in actual use, it is only necessary to which carrying out easy configuration according to actual network topology can be complete
At the setting of the communication information exchanged between energy management controller and each Local Controller, it is further simplified user's operation.
Detailed description of the invention
Fig. 1 is first embodiment direct-current grid control strategy test macro exemplary construction schematic diagram according to the present invention；
Fig. 2 is the structural schematic diagram of first embodiment microgrid power module according to the present invention；
Fig. 3 is the structural schematic diagram of second embodiment microgrid power module control chip according to the present invention；
Fig. 4 is the flow chart of third embodiment direct-current grid control strategy test method according to the present invention.
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 invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
Deficiency of the embodiment of the present invention based on all-digital real-time simulation and direct-current grid physics moving die test system,
Propose it is suitable for direct-current grid control strategy test macro, be easy to modular, based on power stage rapid control prototyping
Part physical equivalent of the apparatus alternative combinations equipment.The alternative combinations equipment includes: Local Controller, microgrid power module
And micro-capacitance sensor is controlled analog machine.Wherein, microgrid power module is the core of the alternative combinations equipment, the microgrid power
The operating mode flexibly configurable of module, to be suitable for the requirement of specific direct-current grid topological structure.Present embodiment is replaced
For the equivalent rectifier and inverter in the alternative physics moving die test system of unit equipment, convenient for the energy for direct-current grid
Flexible, general, stable test platform is built in the test of the control algolithm of management and controlling tactics and controlled device.
The first embodiment of the present invention is related to a kind of direct-current grid control strategy test macros.Its specific structure is as schemed
Shown in 1.The direct-current grid control strategy test macro include: the first host computer, N number of Local Controller, with respectively control on the spot
The controlled analog machine of several microgrid power modules of device communication connection, the micro-capacitance sensor that is connect with each microgrid power module,
Second host computer and energy management controller.Wherein, each Local Controller and the micro-capacitance sensor being connect with each Local Controller
The alternative equivalent rectifier of the combination of power module and inverter.Wherein, energy management controller is for micro- to entire direct current
Power grid energy is managed.Wherein, each Local Controller and energy management controller can be using including CPU (Central
The abbreviation of Processing Unit, central processing unit) computer realize.
As shown in Fig. 2, microgrid power module includes: control chip, filter and current transformer.It controls chip and is used for root
It (included the configuration information of each filter and current transformer in the configurator generated by the first host computer, on the spot according to configuration signal
Controller runs the configurator that the first host computer generates, parse each microgrid power module corresponding filter configuration signal with
And current transformer configures signal, and the corresponding configuration signal of filter and current transformer is sent to the control in microgrid power module
Coremaking piece, which can configure signal by filter and be given to filter, and current transformer configuration signal is given to unsteady flow
Device.) filter and current transformer are configured, so that filter and current transformer work in work corresponding with configuration signal
Mode.In one example, filter is three-phase LCL filter.The three-phase LCL filter can receive the filter that control chip is sent
Wave device configures signal, and configures signal according to filter and work under the mode of three-phase or certain two-phase, wherein filter configuration
Signal is, for example, the enabled or disabling signal of every phase.Each phase of the three-phase LCL filter can be sensed with voltage and current
Device, so as to collect the voltage and current of each phase, to feed back to control chip.In one example, current transformer can be adopted
With two level unsteady flow bridges, current transformer can receive the current transformer from control chip and configure signal, and match confidence according to current transformer
Number current transformer is operable under the Three models such as DC/AC, DC/DC and AC/DC.Therefore, it in present embodiment, can configure
Three-phase LCL filter and current transformer cooperate, can make each microgrid power module work in DC/AC, DC/DC with
And under the Three models such as AC/DC.
Control chip can be also used for according to from Local Controller the signal of control on the spot (in Local Controller operation by
When the program of control on the spot that the first host computer generates, control signal control on the spot can be sent to corresponding microgrid power module
Current transformer, so that the micro-capacitance sensor that control is connected to the microgrid power module is controlled the operation of analog machine.Controlling chip can be with
It is realized using FPGA (abbreviation of Field Programmable Gate Array, field programmable gate array), so that control
Coremaking piece can provide the material calculation of hundreds of nanoseconds, avoid the delay of signal processing, and the FPGA control chip is base
It realizes in hardware identification code so can ensure that corresponding function is quickly and stably run.
The control algolithm of each controlled device of present embodiment (i.e. micro-capacitance sensor is controlled analog machine) runs on Local Controller
In, therefore, the control algolithm of controlled device can be modified flexibly.And microgrid power module may operate in a variety of Working moulds
Formula has preferable versatility, when the network topology structure of direct-current grid changes, it is only necessary to according to specific topology
Structural requirement configures microgrid power module, eliminates cumbersome modification, debugging efforts.
In practical applications, the first host computer and the second host computer can use engineering host computer, wherein the first host computer
With electric power with image conversion interface and power electronic system simulation software are installed in the second host computer.First host computer and just
The communication connection of ground controller, and for generating the program of control on the spot run in Local Controller (i.e. in direct-current grid respectively
The control program of direct-current grid controlled device (such as wind-powered electricity generation simulator, energy storage simulator, photovoltaic simulator etc.)) and configuration
Program, the second host computer and energy management controller communicate to connect, and for generating the energy run in energy management controller
It measures supervisor control program (i.e. entire direct-current grid energy management algorithm).Wherein, program is controlled on the spot, energy management controls journey
Sequence and configurator can be write using the electric power of image conversion with power electronic system simulation software.
In one example, the first communication library file is also stored in the first host computer, the first host computer is also used to generate
The first signal procedure including the first communication library file, and the first host computer is also used to configure the first communication library file.The
It is stored with the second communication library file in two host computers, it includes the of the second communication library file that the second host computer, which is also used to generate,
Two signal procedures, and the second host computer is also used to configure the second communication library file.Wherein, it is encapsulated in the first communication library file
There is the communication type between each Local Controller and microgrid power module, the second communication library file is packaged with energy management
Communication type between controller and each Local Controller.Communication letter between Local Controller and microgrid power module
Breath includes multiple types, those communication types are packaged in the first communication library file by present embodiment.Second communication
Library file can also be carried out according to the data that the program of control on the spot of energy management control algolithm and each Local Controller need to use
The configuration of the communication information.
In practical applications, it may not be needed between Local Controller and corresponding microgrid power module logical using first
The whole communication types encapsulated in news library file, therefore user can be according to actual topological structure, in the first host computer
In to first communication library file configure, being arranged between each Local Controller and its corresponding microgrid power module actually needs
The communication information to be used.Similarly, it can be controlled on the spot according to the energy management control algolithm of energy management controller and respectively
The control strategy on the spot of device needs the data of interaction to configure the communication information in the second communication library file.
First host computer can be by the control strategy of each Local Controller relevant in the direct-current grid put up (i.e.
Ground controls program), configurator and the first signal procedure (including the first configured communication library file) are compiled as can be real
The machine code (such as C code) of Shi Yunhang, downloads automatically and is deployed in each Local Controller, in one example, first
Host computer and Local Controller are one-to-one, consequently facilitating controlling the deployment of program etc. on the spot.Second host computer can incite somebody to action
The energy management control program put up and the second signal procedure be compiled as can real time execution machine code (such as C generation
Code), it downloads and is deployed in each Local Controller automatically.Wherein, the first host computer can also control each microgrid power module,
And the functions such as the trial for each controlled analog machine, automatic test, data monitoring and data analysis can be completed.
In present embodiment, energy management controller is for running energy management control program, and according to respectively controlling on the spot
The operating parameter of each microgrid power module of device feedback and energy management control program, generate and correspond to each microgrid power
Module energy management controls target value, and energy management control target value is sent to corresponding Local Controller.It controls on the spot
Device controls program for running on the spot, and controls on the spot control of the Program Generating corresponding to microgrid power module on the spot according to this
Signal, Local Controller is also used to running configuration program, and issues the configuration signal for corresponding to microgrid power module.Wherein,
Configuration signal includes filter configuration signal and current transformer configuration signal.Local Controller is also used to be controlled according to energy management
Target value and on the spot control program control signal to the sending of corresponding microgrid power module on the spot.I.e. Local Controller is used for
The control on the spot of specific controlled device in direct-current grid.When the Local Controller is connected with multiple microgrid power modules,
Its control algolithm on the spot that can run multiple controlled devices simultaneously.And energy management controller is then used to run energy management control
Microgrid energy administration order (such as energy management control target value) is handed down to each Local Controller by algorithm.In an example
In son, energy management controller and each Local Controller are also used to run the second signal procedure and the by configuring second communication
Library carries out communication information exchange.
In one example, each Local Controller and each microgrid power module mutually concatenate the first communication of formation
Ring, Local Controller and each microgrid power module are communicated by the first communication loop.Energy management controller and it is each just
Ground controller, which mutually concatenates, forms the second communication loop, energy management controller and N number of Local Controller by the second communication loop into
Row communication.In one example, first communication loop and the second communication loop are all made of fiber optic communication ring.Local Controller passes through height
Fast fiber optic communication ring (the first communication loop) controls the corresponding microgrid power module of multiple direct-current grid controlled devices.Energy pipe
Reason controller is communicated by high speed optical fiber communication ring (the second communication loop) with each Local Controller.In order to meet DC micro-electric
The real-time of net control strategy test macro communication, the number of the microgrid power module in each first communication loop should be less than being equal to
4, the number of the Local Controller in each second communication loop should be less than being equal to 6.It should be appreciated that present embodiment is for the first communication
The number of microgrid power module in ring is not particularly limited, and the number of the Local Controller in the second communication loop is not made
Concrete restriction.
As shown in connection with fig. 1, the direct-current grid control test macro example of present embodiment is described as follows:
The direct-current grid control strategy test macro includes: 3 Local Controllers (1~3), 1 energy management control
(i.e. wind-powered electricity generation is simulated for device, 7 direct-current grid power modules (1~2,3~5,6~7) and 5 direct-current grid controlled devices
Device 1~2 and energy storage simulator 1 and photovoltaic simulator 1~2), 3 the first host computers (1~3) and 1 it is second upper
Machine.It should be noted that present embodiment is for the first host computer, Local Controller, direct-current grid power module and straight
The quantity of stream micro-capacitance sensor controlled device is not particularly limited.
Wherein, the first host computer 1 is connected to Local Controller 1, and the first host computer 2 is connected to Local Controller 2, on first
Position machine 3 is connected to Local Controller 3.Wherein, the first host computer 1 is for generating the control on the spot run in Local Controller 1
Program, configurator and the first signal procedure, and so on, the first host computer 3 is run in Local Controller 3 for generating
The program of control on the spot, configurator is with the first signal procedure.Wherein, the number of the control program of the operation in each Local Controller
Mesh is identical as the number of microgrid power module of the Local Controller is connected to.Such as, Local Controller 1 is connected with 2 micro- electricity
Net power module, so the program of control on the spot run in Local Controller 1 has 2.Wherein, control program is corresponding on the spot
The control algolithm of microgrid power module.
Wherein, microgrid power module 1 and microgrid power module 2 are connected to alternating current (wherein, the effect of alternating current and quilt
The direct-current grid controlled device effect of embodiment is identical), Local Controller 1 and microgrid power module 1 and micro-capacitance sensor
Power module 2 forms the first communication loop 1.Microgrid power module 3 is connected to wind-powered electricity generation simulator 1, and microgrid power module 4 connects
In wind-powered electricity generation simulator 2, microgrid power module 5 is connected to energy storage simulator 1, and Local Controller 2 and microgrid power module 3~
5 form the first communication loop 2.Microgrid power module 6 is connected to photovoltaic simulator 1, and microgrid power module 7 is connected to photovoltaic mould
Quasi- device 2, Local Controller 3 and microgrid power module 6~7 form the first communication loop 3.
(i.e. the first communication loop 1~3) each microgrid power module is all by place in high speed optical fiber communication ring shown in FIG. 1
The Local Controller of ring controls, and operation has the control algolithm of each microgrid power module in each Local Controller, so as to complete
At parallel, the independent control of each controlled device in high speed optical fiber communication ring.Wherein, each Local Controller and energy management control
Device processed is each equipped with optical fiber board to realize high speed optical fiber communication.Wherein, each first host computer of each Local Controller real time execution
Be compiled as can real time execution machine code each direct-current grid in controlled device control algolithm and including being pre-configured with
First communication program of the first good communication library file, the first communication program are received by fibre optic plate clamping by each microgrid power mould
The fiber information of respective voltage, the electric current that block is fed back to etc., and information parsing is completed, by each micro-capacitance sensor module after parsing
The feedback information of voltage, electric current etc. inputs to the control algolithm of the controlled device of corresponding direct-current grid.First communication program
It is packaged and is ordered by the control corresponding to each direct-current grid controlled device that the control algolithm of each direct-current grid controlled device issues
It enables, by optical fiber board, sends corresponding optical fiber control command to each microgrid power module.It should be noted that in order to
The operation for simplifying user, in present embodiment, be packaged in the first communication library file Local Controller as much as possible with
The communication information between each microgrid power module, and each microgrid power module can be as more as possible to Local Controller feedback
The communication information (for example including having in the communication information: from filter collected voltage, current signal, generator revolving speed,
The status signal etc. of battery), and user then can be according to each Local Controller communication information actually required to the first communication library
File is configured, so that the first communication program only provides each Local Controller the communication information actually required, so as to
To be further simplified the operation of user.
Energy management controller undertakes the energy management task of entire direct-current grid.Wherein, energy management controller and 3
A Local Controller series connection, forms the high speed fibre communication link (i.e. the second communication loop) of closure, each Local Controller can connect
By the control target value issued from energy management controller, and according to control target value, where controlling itself in high speed fibre
Each microgrid power module, complete to verify the test of entire direct-current grid isolated network grid-connected energy management strategy.Shown in Fig. 1
Energy management controller real time execution by the second host computer be compiled as can real time execution machine code direct-current grid energy
Buret manages control algolithm and the second pre-configured communication program.Wherein, it is furnished with optical fiber board in energy management controller, the
Two signal procedures receive the operating parameter (output work of each controlled device fed back to by each Local Controller by fibre optic plate clamping
Rate, voltage, electric current) etc. fiber information, and complete the fiber information parsing, power parameter after parsing is inputed into entire direct current
Microgrid energy manages control algolithm.Second signal procedure is packaged the correspondence issued by direct-current grid energy management control algolithm
The control target value of each controlled device in direct-current grid sends corresponding light to each Local Controller by optical fiber board
Fine control command.
Direct-current grid control strategy test macro shown in FIG. 1, is neatly realized by using microgrid power module
The electrical main topology of entire direct-current grid is built.Wherein the work of microgrid power module 1 and 2, will under AC/DC mode
The three-phase alternating current of alternating current is rectified into direct current, is the DC bus powered of direct-current grid；The work of microgrid power module 3 and 4
Make under AC/DC mode, the three-phase alternating current that wind-powered electricity generation simulator exports is rectified into direct current, is incorporated on DC bus；It is micro-
Grid power module 5~7 works under DC/DC mode, and the direct current that energy storage simulator 1 and photovoltaic simulator 1~2 export is led to
Buck is crossed to be incorporated on DC bus.
Therefore, present embodiment can be by multiple engineering host computers (i.e. the first host computer and the second host computer), multiple
Local Controller, energy management controller, microgrid power module and controlled analog machine are flexibly built based on power stage
The direct-current grid control strategy test macro of rapid prototyping control.
As shown in connection with fig. 1, when the topological structure of direct-current grid changes, present embodiment is only needed to increase, be reduced
Local Controller, microgrid power module and micro-capacitance sensor are controlled analog machine, or configure to microgrid power module.
The operating mode that each microgrid power module is arranged by the configurator for the configurator in the first host computer is modified,
So as to avoid in existing physics moving die test system, when increasing new physics equivalent simulation equipment, need to newly increasing
Physics equivalent simulation equipment the case where re-starting debugging.
To sum up, using the direct-current grid control strategy test macro of present embodiment, using with stronger versatility
Microgrid power module builds network topology, so as to avoid the change due to network topology and bring is relatively complicated repairs
Change, debugging efforts, improve flexibility, safety that test macro is built, and then is conducive to improve direct-current grid control strategy
The efficiency of exploitation.Therefore, user is when using this test macro, it is only necessary to finish writing communication library file in advance in host computer, and
Only need according between energy controller and Local Controller the communication information and Local Controller and microgrid power module it
Between communication newly communication library file is configured, and the operating mode of microgrid power module is configured in host computer
This test macro can be used to complete the effect to control algolithm on the spot and energy management control algolithm in direct-current grid
Verifying.
Second embodiment of the present invention is related to a kind of direct-current grid control strategy test macro.Second embodiment exists
Improvement is made on the basis of first embodiment, in this second embodiment, is further defined in microgrid power module
Control chip realize function, to be conducive to the implementation for being further simplified microgrid power module.
In present embodiment, control chip is also used to realize following functions, including but not limited to: one, will be on filter
Collected voltage, current signal feed back to Local Controller, wherein control chip is also by collected voltage, current signal
It is sent to corresponding Local Controller；Secondly, according to collected voltage, current signal current transformer is protected；Thirdly, will
Control signal is converted into the pulse width modulation wave for controlling current transformer on the spot.
Specifically, the corresponding program of the function to be realized can be disposed in advance in control chip.As shown in figure 3, control
Coremaking piece may include: signal processing module, device communication module, equipment protection module and modulation module etc..Wherein, signal
Processing module for the voltage acquired from three-phase LCL filter, current signal to be filtered, and by filtered voltage,
Current signal is sent to device communication module.It should be noted that three-phase LCL filter can be carried for collection voltages, electricity
Flow the voltage-current sensor of signal.Device communication module is used for will be from the signal of communication (example of microgrid power module-external
Such as fiber-optic signal) it is converted into electric signal, and the electric signal for controlling chip interior is converted into signal of communication (such as optical fiber is believed
Number).Device communication module is converted thereof into for receiving filtered voltage, current signal from signal processing module
Signal of communication is sent to accordingly Local Controller.Device communication module be also used to by the filter received configure signal and
Current transformer configuration signal is sent to three-phase LCL filter and current transformer.Equipment protection module from filter for that will collect
Current value and preset setting valve be compared, when meeting preset condition (such as collected current value be less than or equal to it is default
Setting valve) then give modulation module to send control target value, then modulation module is given to send block signal when being unsatisfactory for preset condition,
It is latched PWM (abbreviation of Pulse Width Modulation, pulse width modulation) wave.Modulation module is used for according to logical from equipment
It is wide that the control signal on the spot and the guarded command received from equipment protection module that letter module receives generate corresponding pulse
Spend modulating wave.When modulation module receives guarded command, modulation module generates pulse width modulation wave for controlling in current transformer
Power tube it is all off, when modulation module does not receive guarded command, modulation module output pulse width modulation wave use
Power tube in control current transformer is according to control target value work.
Present embodiment is used, so that microgrid power module can be convenient ground integrated equipment protection, equipment communication, signal
The various functions such as processing and signal modulation are conducive to the versatility for improving microgrid power module.Therefore, because micro-capacitance sensor function
Preparatory programming has been got well for realizing equipment communication, signal processing, equipment protection and signal tune in control chip in rate module
The program of the functions such as system, and control chip and can be applied to the occasion of a variety of new energy access systems, without repeating compiling programming
Chip is controlled, so user only needs to consider writing for control algolithm program, so that it may complete to each controlled in direct-current grid
The detection of the effect of the control algolithm of equipment.
It is noted that each module involved in present embodiment is logic module, and in practical applications, one
A logic unit can be a physical unit, be also possible to a part of a physical unit, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude innovative part of the invention, it will not be with solution institute of the present invention in present embodiment
The technical issues of proposition, the less close unit of relationship introduced, but this does not indicate that there is no other single in present embodiment
Member.
Third embodiment of the invention is related to a kind of direct-current grid control strategy test method.Its process as shown in figure 4,
The direct-current grid control strategy test method includes:
Step 401: N number of Local Controller being communicated to connect with several microgrid power modules respectively, by micro-capacitance sensor quilt
Control analog machine is connect with microgrid power module.Wherein, N is positive integer.In practical applications, in order to meet Local Controller
The real-time communicated between each microgrid power module, access in a Local Controller be grid power module number
It should be less than being equal to 4.Have however, present embodiment does not do the number for the microgrid power module that each Local Controller is controlled
Body limitation.
Wherein, Local Controller and each microgrid power module can be concatenated mutually, form closed-loop communication ring, such as formed
High speed optical fiber communication ring.
Step 402: each Local Controller and energy management controller are communicated to connect.
Wherein, each Local Controller and energy management controller can concatenate to form closed-loop communication ring, such as high speed fibre
Communication loop.In practical applications, in order to guarantee the real-time communicated between energy management controller and each Local Controller, energy
The number for the Local Controller that Management Controller connects simultaneously should be less than being equal to 6.It should be appreciated that present embodiment is for connection
In energy management controller Local Controller specific number with no restrictions.
Step 403: generating to control program and configurator on the spot and be deployed in the first host computer and respectively control on the spot
In device.
Step 404: each Local Controller running configuration program, and issue and match confidence corresponding to microgrid power module
Number, each Local Controller is also run controls program on the spot, and controls signal on the spot to the transmission of corresponding microgrid power module.
Step 405: the control chip of microgrid power module is according to configuration signal to the filtering in microgrid power module
Device and current transformer are configured, so that filter and current transformer work in operating mode corresponding with configuration signal, control
Chip controls the operation that corresponding micro-capacitance sensor is controlled analog machine also according to control signal control current transformer on the spot in turn.
Using present embodiment, network topology is built using the microgrid power module with stronger versatility, so as to
The relatively complicated modification of bring, debugging efforts to avoid the change due to network topology improve the spirit that test macro is built
Activity, stability, and then be conducive to improve the efficiency of direct-current grid control strategy exploitation.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as comprising identical logical relation, all in the protection scope of this patent
It is interior；To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
It is not difficult to find that present embodiment is embodiment of the method corresponding with first embodiment, present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that one
A equipment (can be single-chip microcontroller, chip etc.) or processor (processor) execute each embodiment the method for the application
All or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of direct-current grid control strategy test macro characterized by comprising the first host computer N number of controls on the spot
Device, with several microgrid power modules of each Local Controller communication connection and connect with each microgrid power module micro-
Power grid is controlled analog machine；Wherein, the N is positive integer；
First host computer is communicatively coupled to the Local Controller, and runs in the Local Controller for generating
Program and configurator are controlled on the spot；
The Local Controller corresponds to each microgrid power module on the spot to generate for running the control program on the spot
Signal is controlled, the Local Controller is also used to run the configurator, and issues and correspond to each microgrid power module
Configure signal；
The microgrid power module includes: control chip, filter and current transformer；
The control chip is for configuring the filter and current transformer according to the configuration signal, so that the filter
Wave device and current transformer work in operating mode corresponding with the configuration signal；
The control chip is also used to control the current transformer according to the signal of control on the spot to control the micro-capacitance sensor quilt
Control the operation of analog machine.
2. direct-current grid control strategy test macro according to claim 1, which is characterized in that
The control chip is also used to:
Voltage collected on the filter, current signal are fed back into the Local Controller；
The current transformer is protected according to the collected voltage, current signal；And
It is converted into the signal of control to be on the spot used to control the pulse width modulation wave of the current transformer.
3. direct-current grid control strategy test macro according to claim 1, which is characterized in that
The Local Controller and each microgrid power module mutually concatenate formed the first communication loop, the Local Controller with
And each microgrid power module is communicated by first communication loop.
4. direct-current grid control strategy test macro according to claim 3, which is characterized in that first communication loop
For fiber optic communication ring.
5. direct-current grid control strategy test macro according to claim 1, which is characterized in that the control chip is adopted
It is realized with field programmable gate array.
6. direct-current grid control strategy test macro according to claim 1, which is characterized in that
The first communication library file is stored in first host computer, it includes described first that first host computer, which is also used to generate,
The first signal procedure of library file is communicated, and for configuring the first communication library file；Wherein, the first communication library file
The communication type being packaged between the Local Controller and each microgrid power module；
The microgrid power module is used to provide to corresponding Local Controller logical with the first communication library file encapsulation
The corresponding whole communication informations of letter information type, the Local Controller are configured for running first signal procedure and passing through
The first communication library file obtain the communication information of each microgrid power module.
7. direct-current grid control strategy test macro according to claim 1, which is characterized in that
The direct-current grid control strategy test macro further include: the second host computer and energy management controller；
Second host computer is used to generate the energy management control program run in the energy management controller；
The energy management controller is communicatively coupled to N number of Local Controller, and for being fed back according to N number of Local Controller
Each microgrid power module operating parameter and the energy management control program, generate correspond to each microgrid power mould
The energy management of block controls target value, and energy management control target value is sent to corresponding Local Controller；
The Local Controller is used to control target value according to the energy management and the Program Generating of control on the spot is corresponding
In the control signal on the spot of microgrid power module.
8. direct-current grid control strategy test macro according to claim 7, which is characterized in that
The energy management controller mutually concatenates with N number of Local Controller and forms the second communication loop；
The energy management controller is communicated with N number of Local Controller by second communication loop.
9. direct-current grid control strategy test macro according to claim 7, which is characterized in that
It is stored with the second communication library file in second host computer, it includes described that second host computer, which is also used to generate,
Second signal procedure of two communication library files, and for configuring the second communication library file；Wherein, the second communication library text
Part is packaged with the communication type between the energy management controller and each Local Controller；
The energy management controller and each Local Controller are also used to run second signal procedure and by configuring
Second communication library carries out communication information exchange.
10. a kind of direct-current grid control strategy test method characterized by comprising
By N number of Local Controller respectively with several microgrid power modules communicate to connect, by micro-capacitance sensor be controlled analog machine with
The connection of microgrid power module；Wherein, the N is positive integer；
Each Local Controller and energy management controller are communicated to connect；
It is generated in the first host computer and controls program and configurator on the spot and be deployed in N number of Local Controller；
Each Local Controller runs the configurator, and issues the configuration signal for corresponding to microgrid power module, respectively on the spot
Controller controls program described in also running on the spot, and controls signal on the spot to the transmission of corresponding microgrid power module；
The control chip of the microgrid power module is according to the configuration signal to the filtering in the microgrid power module
Device and current transformer are configured, so that the filter and current transformer work in Working mould corresponding with the configuration signal
Formula, the control chip control the current transformer also according to the signal of control on the spot and are controlled mould to control corresponding micro-capacitance sensor
Propose standby operation.
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| WO2020206400A1 (en) * | 2019-04-05 | 2020-10-08 | Operation Technology, Inc. | Microgrid control design system |
| CN110912188A (en) * | 2019-11-27 | 2020-03-24 | 天津瑞能电气有限公司 | Novel micro-grid energy management system based on AI |
| CN111221266A (en) * | 2020-01-20 | 2020-06-02 | 上海电气风电集团股份有限公司 | Simulation test system and test method suitable for microgrid black start |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124070A (en) * | 2012-08-15 | 2013-05-29 | 中国电力科学研究院 | Coordination control method for micro-grid system |
| CN104570772A (en) * | 2015-01-19 | 2015-04-29 | 国家电网公司 | Micro-grid integration testing simulation platform based on RTDS and method |
| CN105429130A (en) * | 2015-11-16 | 2016-03-23 | 中国农业大学 | RTDS and dSPACE based microgrid simulation experiment system and method |
| CN105867161A (en) * | 2016-02-29 | 2016-08-17 | 华南理工大学 | Wind-power-generation digital physical hybrid simulation system based on RTDS and method thereof |
| CN106055759A (en) * | 2016-05-24 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Power system high-power digital-analog hybrid simulation interface system |
Family Cites Families (1)
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-
2016
- 2016-12-30 CN CN201611261139.7A patent/CN106647712B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124070A (en) * | 2012-08-15 | 2013-05-29 | 中国电力科学研究院 | Coordination control method for micro-grid system |
| CN104570772A (en) * | 2015-01-19 | 2015-04-29 | 国家电网公司 | Micro-grid integration testing simulation platform based on RTDS and method |
| CN105429130A (en) * | 2015-11-16 | 2016-03-23 | 中国农业大学 | RTDS and dSPACE based microgrid simulation experiment system and method |
| CN105867161A (en) * | 2016-02-29 | 2016-08-17 | 华南理工大学 | Wind-power-generation digital physical hybrid simulation system based on RTDS and method thereof |
| CN106055759A (en) * | 2016-05-24 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Power system high-power digital-analog hybrid simulation interface system |
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