CN109814403A - A kind of numerical model analysis analogue system of high density distribution inversion grid connection - Google Patents
A kind of numerical model analysis analogue system of high density distribution inversion grid connection Download PDFInfo
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- 238000009826 distribution Methods 0.000 title claims abstract description 18
- 238000004458 analytical method Methods 0.000 title claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 97
- 238000013523 data management Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
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- 230000004888 barrier function Effects 0.000 claims 1
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- 239000007924 injection Substances 0.000 claims 1
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- 238000004590 computer program Methods 0.000 description 7
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- 230000001419 dependent effect Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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- 238000010200 validation analysis Methods 0.000 description 1
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Abstract
The present invention relates to a kind of numerical model analysis analogue system of high density distribution inversion grid connection, the system comprises: Digital Simulation subsystem, physics subsystem, ipc monitor unit and signal interface unit；It is connected between the Digital Simulation subsystem and the physics subsystem by signal interface unit；The ipc monitor unit, for being connected by Ethernet with the Digital Simulation subsystem and the physics subsystem；The signal interface unit, for realizing control and energy exchange between the Digital Simulation subsystem and the physics subsystem by controlling the physics subsystem and the Digital Simulation System.
Description
Technical field
The invention belongs to high density distributed generation resource inversion key technology area more particularly to a kind of high density distribution are inverse
Become grid-connected numerical model analysis analogue system.
Background technique
Distribution type renewable energy and net unit have small separate unit installed capacity, substantial amounts, the spy for controlling freedom and flexibility
Sign, but as a large amount of distributed generation resources access power distribution network in the form of micro-capacitance sensor, highdensity distributed inversion system is formd,
Micro-/power distribution network occur therewith power quality problem, micro-capacitance sensor and off-network switching problem, harmonic resonance problem etc. it is a series of
The access of problem, high density distribution inversion system brings new challenge to the operation and control of power grid.How one is constructed
Adapt to the inversion of high density distribution access, have both accuracy, validity, flexibility real-time emulation system be research operation control
The prerequisite of system and error protection.
The existing real-time emulation system based on distributed generation resource reverse control technology, mostly controller exist in ring and power
Ring.Controller is using actual physical controller by being built in I/O interface unit and real-time simulation platform by once leading in ring
The simulation systems connection of the compositions such as circuit, power hardware, i.e., with the hardware device of true controller control analogue system, purpose
It is that test and validation is carried out to the functional performance of real controllers；Power is using true power package unit by four in ring
The power grid environment of quadrant power amplifier access analogue system.The power amplifier requirements linearity, resolution ratio, accuracy are very high,
On the other hand expensive due to the power limit of four-quadrant power amplifier, carries out power and compares in the rating of set of ring
It is small.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of emulation of the numerical model analysis of high density distribution inversion grid connection is
System, reasonable fused controlling, in ring, while realizing digital display circuit and physical system interactive controlling in ring and power, not only meet individually
The functional performance of controller and single power device is tested, it is often more important that the high density for meeting multinode access is how distributed inverse
Become grid-connected system operation control research.
The purpose of the present invention is adopt the following technical solutions realization:
A kind of numerical model analysis analogue system of high density distribution inversion grid connection, the system comprises: Digital Simulation subsystem
System, physics subsystem, ipc monitor unit and signal interface unit；
It is connected between the Digital Simulation subsystem and the physics subsystem by signal interface unit；
The ipc monitor unit, for passing through Ethernet and the Digital Simulation subsystem and the physics subsystem
It is connected；
The signal interface unit, for by controlling described in the physics subsystem and Digital Simulation System realization
Control and energy exchange between Digital Simulation subsystem and the physics subsystem.
Preferably, the Digital Simulation subsystem includes artificial system controller, distributed inversion model and the system failure
Simulation model.
Further, the physics subsystem includes physical system controller, single inverter controller and multiple distributions
Inverter.
Further, the signal interface unit includes: emulation side interface and physics side interface；Wherein,
The emulation side interface is used to simulate mould according to the distributed inversion model and the system failure of Digital Simulation subsystem
Conversion process is carried out comprising function in type, to realize control and energy exchange of the physics subsystem to simulation subsystem；
The physics side interface is used to emulate the virtual digit amount that side interface obtains and is converted to control physics subsystem function
Rate component order, to realize control and energy exchange of the Digital Simulation subsystem to physics subsystem.
Preferably, the ipc monitor unit is made of high-performance computer.
Further, built-in operable human-computer interface module in the ipc monitor unit, for passing through the people
Machine interface module completes operational mode switching, direct fault location setting, experimental data management function.
Further, the ipc monitor unit further include: operational mode switch unit, experimental data administrative unit and
Direct fault location setting unit.
Further, the operational mode switch unit connects with artificial system controller and physical system controller respectively
It connects, to obtain the communication data that signal interface unit sends and receivees, is also used to switch based on selected operational mode, and pass through
The mode of operational mode switching command is sent to Digital Simulation subsystem and physics subsystem；
The experimental data administrative unit is for being managed the received data of signal interface unit；
The direct fault location setting unit will carry out failure note for providing direct fault location selection, and based on user's selection
Enter, the direct fault location is arranged by way of control instruction to the system failure simulation model for being sent to Digital Simulation subsystem
Carry out correspondence system fault simulation.
Further, the use of operational mode switching, direct fault location and data Management is completed by human-computer interface module
Family setting sends control instruction to real-time emulation unit based on signal interface unit, and real-time emulation unit is based on the control and refers to
It enables and carries out operational mode switching, direct fault location and data Management.
It further, include mode of operation state position in the control instruction, when mode of operation state position is arranged to 0
When, physics subsystem is controlled by the artificial system controller of Digital Simulation subsystem；
When the physics subsystem is controlled by the artificial system controller of Digital Simulation subsystem, Digital Simulation
The artificial system controller of system is connected through physics side interface with physics subsystem by the emulation side interface of signal interface unit,
Execute the control to the distributed inversion model of the physics subsystem；
When mode of operation state position is arranged to 1, Digital Simulation subsystem is controlled by the physical system of physics subsystem
Device control；When the Digital Simulation subsystem is controlled by the physical system controller of physics subsystem, the physics subsystem
Physical system controller be connected through emulation side interface with Digital Simulation subsystem by the physics side interface of signal interface unit,
Execute the control to the single inverter controller and multiple distributed inverters of the Digital Simulation subsystem
Compared with the latest prior art, the invention has the benefit that
The purpose of the present invention is to provide a kind of numerical model analysis analogue systems of high density distribution inversion grid connection, for more
The research of distributed generation resource grid-connected inverting system and the verifying of more distributed inversion system operation control strategies.The system packet
It includes: Digital Simulation subsystem, physics subsystem, ipc monitor unit and signal interface unit, Digital Simulation subsystem and object
It manages and is connected between subsystem by signal interface unit；Ipc monitor unit passes through Ethernet and Digital Simulation subsystem and object
Subsystem is managed to be connected；The analogue system that building is mutually controlled comprising digital display circuit and physical system, may be implemented distributed power generation/
Distributed generation grid-connected unit physical system is shared with simulation system data and mixes control and physical system, analogue system
Synchronous operation, accuracy, the validity of real-time emulation system is greatly improved.
Wherein, ipc monitor unit, for passing through Ethernet and the Digital Simulation subsystem and the physics subsystem
System is connected；Signal interface unit, for realizing the number by controlling the physics subsystem and the Digital Simulation System
Control and energy exchange between simulation subsystem and the physics subsystem.The advantage for using for reference two systems, which controls system, protects
Shield strategy carries out comprehensive, accurate and effective verification and testing with hardware.It, can be with when simulation subsystem controls physics subsystem
Carry out the optimization of control strategy and protection philosophy；It, can be to hardware control when physics subsystem controls simulation subsystem
Functional performance is verified, while the control of high density distribution inversion system may be implemented.
Detailed description of the invention
Fig. 1 is the numerical model analysis analogue system of the high density distribution inversion grid connection provided in the specific embodiment of the invention
Structural schematic diagram；
Fig. 2 is the highly dense distributed inversion system digital-to-analogue principle of simulation schematic diagram provided in the embodiment of the present invention.
Specific embodiment
Come that the present invention will be described in detail below in conjunction with attached drawing and specific embodiment, illustrative examples therein and says
It is bright to be only used to explain the present invention but not as a limitation of the invention.
The purpose of the present invention is to provide a kind of numerical model analysis analogue systems of high density distribution inversion grid connection, for more
The research of distributed generation resource grid-connected inverting system and the verifying of more distributed inversion system operation control strategies, construct number system
The real-time emulation system that system and physical system can be controlled mutually realizes distributed power generation/distributed generation grid-connected unit physics
System and simulation system data are shared to be controlled and the synchronous operation of physical system, analogue system with mix, is greatly improved real-time
Accuracy, the validity of analogue system.
As shown in Figure 1, the system comprises: Digital Simulation subsystem, physics subsystem, ipc monitor unit and signal
Interface unit is connected between Digital Simulation subsystem and physics subsystem by signal interface unit；The ipc monitor list
Member is connected by Ethernet with Digital Simulation subsystem and physics subsystem；Wherein,
It is connected between Digital Simulation subsystem and the physics subsystem by signal interface unit；
Ipc monitor unit, for passing through Ethernet and the Digital Simulation subsystem and the physics subsystem phase
Even；
Signal interface unit, for realizing the number by controlling the physics subsystem and the Digital Simulation System
Control and energy exchange between simulation subsystem and the physics subsystem.
In addition, Digital Simulation subsystem includes artificial system controller, distributed inversion model and system failure simulation mould
Type.Physics subsystem includes physical system controller, single inverter controller and multiple distributed inverters.Based on host computer
Monitoring unit is arranged the system failure (short circuit, phase shortage, ground connection) from system failure simulation model, verifies the inversion of high density distribution
Controlling behavior of the system controller under network system abnormal condition, enhance Hybrid Real Time Simulation system validity with
Flexibility.
Signal interface unit includes: emulation side interface and physics side interface；Wherein,
Emulation side interface is for receiving physical side interface signal (analog quantity, digital quantity, communication data), according to Digital Simulation
Conversion process is carried out comprising function in the distributed inversion model and system failure simulation model of subsystem, to realize physics subsystem
The control and energy exchange united to simulation subsystem；
Information of the physics side interface for physical side interface emulation side interface, will emulate the virtual number of side interface acquisition
Word amount is converted to control physics subsystem power component order, with realize Digital Simulation subsystem to the control of physics subsystem with
Energy exchange.
Further, built-in operable human-computer interface module in ipc monitor unit, for passing through the man-machine boundary
Face mould block completes operational mode switching, direct fault location setting, experimental data management function.In addition to this, ipc monitor unit
Further include: operational mode switch unit, experimental data administrative unit and direct fault location setting unit.
Wherein, operational mode switch unit is connect with artificial system controller and physical system controller respectively, to obtain
The communication data that signal interface unit sends and receivees is also used to be switched based on selected operational mode, and passes through operational mode
The mode of switching command is sent to Digital Simulation subsystem and physics subsystem；
Experimental data administrative unit is for being managed the received data of signal interface unit；
Direct fault location setting unit will carry out direct fault location for providing direct fault location selection, and based on user's selection, will
The system failure simulation model that the direct fault location setting is sent to Digital Simulation subsystem by way of control instruction carries out
Correspondence system fault simulation.
The user setting of operational mode switching, direct fault location and data Management, base are completed by human-computer interface module
Control instruction is sent to real-time emulation unit in signal interface unit, and real-time emulation unit is based on the control instruction and is run
Pattern switching, direct fault location and data Management.
In control instruction include mode of operation state position, when mode of operation state position is arranged to 0, physics subsystem by
The artificial system controller of Digital Simulation subsystem controls；
When the physics subsystem is controlled by the artificial system controller of Digital Simulation subsystem, Digital Simulation
The artificial system controller of system is connected through physics side interface with physics subsystem by the emulation side interface of signal interface unit,
Execute the control to the distributed inversion model of the physics subsystem；
When mode of operation state position is arranged to 1, Digital Simulation subsystem is controlled by the physical system of physics subsystem
Device control；When the Digital Simulation subsystem is controlled by the physical system controller of physics subsystem, the physics subsystem
Physical system controller be connected through emulation side interface with Digital Simulation subsystem by the physics side interface of signal interface unit,
Execute the control to the single inverter controller and multiple distributed inverters of the Digital Simulation subsystem.
Direct fault location is arranged function and is realized by the downlink communication of monitoring host computer unit to simulation subsystem.Direct fault location is set
The electric network fault ena-bung function that function completes digital-to-analogue real-time emulation system is set, before dependent failure is enabled, real-time emulation unit
Power grid is without dependent failure.Dependent failure is enabled to be listed as follows, and each failure is designed as an order mould in ipc monitor unit
Block, can be enabled by setting the numerical value of set or " 0 ", is converted into 16 order of the bit word ContrlWord and passes through under ethernet communication
Issue real-time emulation unit.
| Fault type | Enabled setting value | Forbid setting value |
| Single phase to ground via resistance failure | 1 | 0 |
| Proximal end two-phase short-circuit fault | 1 | 0 |
| Distal end two-phase short-circuit fault | 1 | 0 |
| (%) is arranged in three-phase system voltage unbalance factor | 0~64 | 0 |
| (%) is arranged in Voltage Harmonic aberration rate | 0~64 | 0 |
16 order of the bit word ContrlWord are every to indicate meaning table
Embodiment:
As shown in Fig. 2, the present embodiment includes: simulation subsystem, physics subsystem, signal interface unit, ipc monitor
Four parts of unit.It is connected between simulation subsystem, physics subsystem by signal interface unit, passes through digital I/O, simulation I/
O with communicate three kinds of modes.
The control model of two systems is set by " operational mode switching " module of ipc monitor unit.When being set as
When " 0 ", the system controller (abbreviation artificial system controller) of simulation subsystem passes through the emulation side interface of signal interface unit
Again through physics side interface, it is connected with physics subsystem, physics subsystem is controlled；When being set as " 1 ", physics subsystem
System controller (abbreviation physical system controller), pass through emulation side interface and the simulation subsystem phase of signal interface unit
Even, simulation subsystem is controlled.
" communication component " that simulation subsystem and physics subsystem pass through signal interface unit carries out data interaction, while two
All data of system send Monitor Computer Control System to by Ethernet.
" direct fault location setting " can be set in Monitor Computer Control System, enables the correspondence system failure mould of simulation subsystem
It is quasi-.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the application rather than to its protection scopes
Limitation, although the application is described in detail referring to above-described embodiment, those of ordinary skill in the art should
Understand: those skilled in the art read the specific embodiment of application can still be carried out after the application various changes, modification or
Person's equivalent replacement, these changes, modification or equivalent replacement, applies within pending scope of the claims at it.
Claims (10)
1. a kind of numerical model analysis analogue system of high density distribution inversion grid connection, which is characterized in that the system comprises: number
Simulation subsystem, physics subsystem, ipc monitor unit and signal interface unit；
It is connected between the Digital Simulation subsystem and the physics subsystem by signal interface unit；
The ipc monitor unit, for passing through Ethernet and the Digital Simulation subsystem and the physics subsystem phase
Even；
The signal interface unit, for realizing the number by controlling the physics subsystem and the Digital Simulation System
Control and energy exchange between simulation subsystem and the physics subsystem.
2. system according to claim 1, which is characterized in that the Digital Simulation subsystem includes analogue system control
Device, distributed inversion model and system failure simulation model.
3. system according to claim 1, which is characterized in that the physics subsystem includes physical system controller, list
A inverter controller and multiple distributed inverters.
4. system according to claim 3, which is characterized in that the signal interface unit includes: emulation side interface and object
Manage side interface；Wherein,
The emulation side interface is used for according in the distributed inversion model and system failure simulation model of Digital Simulation subsystem
Conversion process is carried out comprising function, to realize control and energy exchange of the physics subsystem to simulation subsystem；
The physics side interface is used to emulate the virtual digit amount that side interface obtains and is converted to control physics subsystem power part
Part order, to realize control and energy exchange of the Digital Simulation subsystem to physics subsystem.
5. system according to claim 1, which is characterized in that the ipc monitor unit is by high-performance calculation unit
At.
6. system according to claim 5, which is characterized in that built-in operable man-machine in the ipc monitor unit
Interface module, for completing operational mode switching, direct fault location setting, experimental data management function by the human-computer interface module
Energy.
7. system according to claim 6, which is characterized in that the ipc monitor unit further include: operational mode is cut
Change unit, experimental data administrative unit and direct fault location setting unit.
8. system according to claim 7, which is characterized in that the operational mode switch unit respectively with analogue system control
Device processed is connected with physical system controller, to obtain the communication data that signal interface unit sends and receivees, is also used to based on choosing
Fixed operational mode switching, and Digital Simulation subsystem and physics subsystem are sent to by way of operational mode switching command
System；
The experimental data administrative unit is for being managed the received data of signal interface unit；
The direct fault location setting unit will carry out direct fault location for providing direct fault location selection, and based on user's selection, will
The system failure simulation model that the direct fault location setting is sent to Digital Simulation subsystem by way of control instruction carries out
Correspondence system fault simulation.
9. system according to claim 6, which is characterized in that complete operational mode switching, event by human-computer interface module
The user setting of barrier injection and data Management, it is real based on signal interface unit transmission control instruction to real-time emulation unit
When simulation unit be based on the control instruction and carry out operational mode switching, direct fault location and data Management.
10. system according to claim 9, which is characterized in that it include mode of operation state position in the control instruction, when
When mode of operation state position is arranged to 0, physics subsystem is controlled by the artificial system controller of Digital Simulation subsystem；
When the physics subsystem is controlled by the artificial system controller of Digital Simulation subsystem, the Digital Simulation subsystem
Artificial system controller be connected through physics side interface with physics subsystem by the emulation side interface of signal interface unit, execution
Control to the distributed inversion model of the physics subsystem；
When mode of operation state position is arranged to 1, Digital Simulation subsystem by physics subsystem physical system controller control
System；When the Digital Simulation subsystem is controlled by the physical system controller of physics subsystem, the object of the physics subsystem
Reason system controller is connected through emulation side interface with Digital Simulation subsystem by the physics side interface of signal interface unit, is executed
The control of single inverter controller and multiple distributed inverters to the Digital Simulation subsystem.
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