CN104298127B - Micro-grid semi-digital semi-physical real-time simulation system based on RT-LAB - Google Patents
Micro-grid semi-digital semi-physical real-time simulation system based on RT-LAB Download PDFInfo
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- CN104298127B CN104298127B CN201410535831.9A CN201410535831A CN104298127B CN 104298127 B CN104298127 B CN 104298127B CN 201410535831 A CN201410535831 A CN 201410535831A CN 104298127 B CN104298127 B CN 104298127B
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Abstract
The invention discloses a micro-grid semi-digital semi-physical real-time simulation system based on RT-LAB. An RT-LAB simulation machine comprises a micro-grid module and primary equipment modules located below the micro-grid module, the micro-grid module is connected with each primary equipment module, each primary equipment module is connected with a corresponding first-level control module, all the first-level control modules are connected to a second-level control module, and the second-level control module is connected with a computer; the first-level control modules, the second-level control module and the computer are connected through a switch, so an Ethernet network is formed. The micro-grid semi-digital semi-physical real-time simulation system can be used for simulating dynamic characteristics of a micro-grid and simulating a control method and has good flexibility, the RT-LAB simulation machine is used for simulating primary equipment of the micro-grid, dynamic simulation, verification and extension of photovoltaic power generation, wind power generation, diesel power generation and other micro-grid models can be conducted any time any where, and the micro-grid semi-digital semi-physical simulation system high in universality is formed.
Description
Technical field
The present invention relates to a kind of analogue system of micro-capacitance sensor, especially relate to a kind of micro-capacitance sensor Semi-digital based on rt-lab
Semi-physical real-time simulation system, is simulated emulation using technical grade emulation tool to micro-capacitance sensor.
Background technology
With the development of national economy, electric utility is going from strength to strength, and power system is also gradually huge, and it runs also more
Complexity.In order to ensure that power system is reliable, safely, economically run, must be true in planning, analysis and research power system
Cut static characteristic and the dynamic characteristic that site preparation investigates practical power systems.And traditional analysis method be difficult to accurate description this
A little characteristics, predict the accident that will occur.Meanwhile, the particularity of power system itself determines again and is difficult to adopt experimentally
To realize the analysis of system it is necessary to by means of simulation means.This is accomplished by a strong emulation tool to analyze actual electricity
The ruuning situation of Force system.Therefore, simulation Technique Study becomes a kind of new trend in Power System Analysis.
Rt-lab is a kind of Distributed Real-time Simulation Platform.It can in the short period of time, will with relatively low cost
Simulink or systembuild dynamic model is transplanted in ring Hardware Real-time Simulation system, thus simplifying design of Simulation
Process.Either it is used for doing Real-time hardware assemblage on-orbit, be also used to accelerate execution, control and the test of simulation model, it
Flexibility all be enough to apply in emulation and control problem the most complicated.Meanwhile, rt-lab is the real-time of high complexity model
Emulation provides effective instrument.It can enter row information by ultralow delay technology and exchange.Additionally, the modularization of rt-lab sets
Meter can minimize calculating demand, provides the emulation module being just met for application requirement, thus meeting the price demand of user.
Therefore, rt-lab flexibility in the market is also preferable.
Rt-lab micro-capacitance sensor model emulation is at home also in continuous development and perfect field, related document and theory
Not yet complete.Related hardware and software comprehensive product for micro-capacitance sensor emulation platform, the section of correlation are also lacked on domestic market
Grind, the market demand very big.
Content of the invention
Based on the deficiencies in the prior art, the present invention proposes one kind and carries out reality using industrial simulation system to micro-capacitance sensor models
When analog simulation test system, using technical grade emulation tool to micro-capacitance sensor be simulated emulation, using rt-lab replicating machine,
Real-time simulation can be carried out to complicated micro-capacitance sensor running, verify developed algorithm reasonability, greatly speed up for micro-capacitance sensor
Research speed and reduction scientific research cost, and be the design of existing micro-capacitance sensor and the improvement substantial amounts of Technical Reference data of offer.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that:
Including rt-lab replicating machine, rt-lab replicating machine comprise micro-capacitance sensor module and be under micro-capacitance sensor module each one
Secondary device module；
Including the one-level control module being connected with each primary equipment module in rt-lab replicating machine, one-level control module connects
The emulation data receiving primary equipment module carries out processing conversion, active power of output and reactive power to Two-stage control module, and
The feedback pwm control signal receiving Two-stage control module is sent to primary equipment module；
Including the Two-stage control module being connected with all one-level control modules, Two-stage control module receives one-level control module
The active power of output and reactive power, receive the Real-time Monitoring Data of micro-capacitance sensor module simultaneously, and treated output rt-lab imitates
The Real-time Monitoring Data of prototype is to computer；And receive dominant eigenvalues control signal and the micro-capacitance sensor operation mould of computer export
Formula control signal；And export interconnection breaker open and close controlling signal to the micro-capacitance sensor module of rt-lab replicating machine；
Including the computer being connected with Two-stage control module, computer receives the inspection of primary equipment module and micro-capacitance sensor module
Survey data treated generation dominant eigenvalues control signal and micro-capacitance sensor operational mode control signal feeds back to Two-stage control module.
All be connected with each other by switch between described one-level control module, Two-stage control module, computer, constitute with
Too net network.
Described ethernet network is carried out data transmission by udp host-host protocol.
Described emulation data includes voltage signal and current signal.
The Real-time Monitoring Data of described micro-capacitance sensor module includes micro-capacitance sensor voltage, micro-capacitance sensor frequency, dominant eigenvalues.
The Real-time Monitoring Data of described rt-lab replicating machine includes micro-capacitance sensor frequency, micro-capacitance sensor voltage, micro-capacitance sensor contact
Linear heat generation rate and the power of each primary equipment module.
Described one-level control module and Two-stage control module are all using dsp.
Described one-level control module is provided with a/d interface, spi interface and i/o interface.
Described Two-stage control module is provided with a/d interface and i/o interface.
The invention has the beneficial effects as follows:
The present invention can be used for simulating the dynamic characteristic of micro-capacitance sensor it is also possible to analog control method, has preferable flexibility, profit
Simulate the primary equipment of micro-capacitance sensor with rt-lab replicating machine, form the micro-capacitance sensor Semi-digital semi-matter simulating system of highly versatile.
The present invention can in a short period of time, with the risk of very little, dynamic simulation is carried out to micro-capacitance sensor models, data is divided
Analysis and output display.This emulation platform has the characteristics that versatility is good it is easy to operate, and can shorten micro-capacitance sensor with less cost
The R＆D cycle of key equipment, and the platform developed can be filled a hole in the market.
The present invention has preferable flexibility, can micro- electricity to photovoltaic generation, wind power generation, diesel power generation etc. whenever and wherever possible
The checking extension carrying out dynamic simulation and model of pessimistic concurrency control, accelerates scientific research and the research and development of products of association area, application surface is very wide.
Brief description
Fig. 1 is the attachment structure schematic diagram of the present invention.
Fig. 2 is overall structure schematic diagram of the present invention.
Fig. 3 is the concrete catenation principle figure of one-level control module and rt-lab replicating machine.
Fig. 4 is the concrete catenation principle figure of Two-stage control module and rt-lab replicating machine.
Specific embodiment
With reference to Figure of description, the specific embodiment of the present invention is described in detail.
As depicted in figs. 1 and 2, the analogue system of the present invention is as follows:
Including rt-lab replicating machine, rt-lab replicating machine comprise micro-capacitance sensor module and be under micro-capacitance sensor module each one
Secondary device module；
Including the one-level control module being connected with each primary equipment module in rt-lab replicating machine, one-level control module connects
The emulation data receiving primary equipment module carries out processing conversion, active power of output and reactive power to Two-stage control module, and
The feedback pwm control signal receiving Two-stage control module is sent to primary equipment module；
Including the Two-stage control module being connected with all one-level control modules, Two-stage control module receives one-level control module
The active power of output and reactive power, receive the Real-time Monitoring Data of micro-capacitance sensor module simultaneously, and treated output rt-lab imitates
The Real-time Monitoring Data of prototype is to computer；And receive dominant eigenvalues control signal and the micro-capacitance sensor operation mould of computer export
Formula control signal；And export interconnection breaker open and close controlling signal to the micro-capacitance sensor module of rt-lab replicating machine；
Including the computer being connected with Two-stage control module, computer receives the inspection of primary equipment module and micro-capacitance sensor module
Survey data treated generation dominant eigenvalues control signal and micro-capacitance sensor operational mode control signal feeds back to Two-stage control module.
Above-mentioned emulation data includes voltage signal and the current signal of primary equipment module.
The Real-time Monitoring Data of above-mentioned micro-capacitance sensor module includes micro-capacitance sensor voltage, micro-capacitance sensor frequency, dominant eigenvalues.
The Real-time Monitoring Data of above-mentioned rt-lab replicating machine includes micro-capacitance sensor frequency, micro-capacitance sensor voltage, micro-capacitance sensor interconnection
Power and the power of each primary equipment module.
As shown in Fig. 2 the present invention includes rt-lab replicating machine, one-level control module, Two-stage control module and computer,
Rt-lab replicating machine comprises micro-capacitance sensor module and each primary equipment module being under micro-capacitance sensor module, micro-capacitance sensor module with each
Individual primary equipment module connects, and each primary equipment module is connected with each self-corresponding one-level control module, and all one-levels control
Module is all connected to Two-stage control module, and Two-stage control module is connected with computer.Wherein one-level control module, Two-stage control mould
All it is connected with each other by switch between block, computer, constitute an ethernet network.
The present invention utilizes micro-capacitance sensor module design and the thought of mathematical modeling, and rt-lab replicating machine is applied in electric power
In system micro-capacitance sensor analogue system, energy is timely, accurately carry out data analysis shows, carries out Semi-digital semi-physical real-time simulation, has
Further micro-capacitance sensor debugging and test after helping.
The ethernet network of the present invention is carried out data transmission by udp host-host protocol.Rt-lab replicating machine of the present invention and one
The dsp processor of secondary control module and linear quadratic control module passes through respective external interface (including a/d, d/a, digital i/o) and enters
Row data exchange, and carried out data transmission by Ethernet udp transmission means and computer and communicate.
Each primary equipment module includes blower fan module, diesel engine module, energy-storage module and photovoltaic module.
One-level control module and Two-stage control module, all using dsp processor, preferably can adopt ti company
Tms320f28335 processor.
As shown in figure 3, one-level control module is provided with a/d interface, spi interface and i/o interface.
As shown in figure 4, Two-stage control module is provided with a/d interface and i/o interface.
Rt-lab replicating machine and dsp processor pass through respective external interface and (include a/d, d/a, digital i/o mouth etc. connects
Mouthful) carry out data exchange, and carried out data transmission with computer by way of Ethernet and communicate.
Assisted by software, the system can will be various in the case of the voltage of micro-capacitance sensor module, electric current, power etc. run number
Intuitively export according to waveform, and data and waveform are analyzed comparing and preservation is called.Finally by display waveform,
Host computer (i.e. computer) is optimized adjustment to the operational factor of micro-capacitance sensor models, to reach optimal control effect, for reality
Thing experiment and practical application provide foundation.
Rt-lab has a wide range of applications in power system micro-capacitance sensor emulation platform, and timely, accurate data analysis shows
Show the basis being subsequent analysis and processing work.Numerical model analysis emulate the scientific researches such as the debugging to micro-capacitance sensor, test of heuristics and have weight
The effect wanted.Rt-lab can simulate primary equipment, and linear quadratic control equipment needs the feature customized development according to equipment, mixed to reach
Close the purpose of emulation.Because product is different, linear quadratic control equipment lacks more common platform, leads to the secondary plate of a lot of scientific research kinds
Overlapping development, and a kind of general analog platform is not existed on market yet.
For the general-purpose platform of the secondary controller equipment of rt-lab, according to power system micro-capacitance sensor demand, not only need
Meet and the requirement of analysis and control is measured in addition it is also necessary to precisely show the relevant parameter of micro-capacitance sensor models to different parameters, draw phase
Answer waveform, and there is initial analysis function.
The present invention adopt rt-lab replicating machine real-time Simulation micro-capacitance sensor ruuning situation, by one-level control module, two grades
Control module is run micro-capacitance sensor and is carried out one-level, Two-stage control, carries out three class control also by computer to Two-stage control module, enters
And forming micro-capacitance sensor Semi-digital semi-physical real-time simulation platform, it will the research to micro-capacitance sensor brings great convenience, and can significantly subtract
Few actual operation scientific research cost for micro-capacitance sensor, the theoretical research for power system has larger facilitation.
The micro-capacitance sensor module building in the rt-lab replicating machine of the present invention includes following sections:
1. distributed generation unit.As blower fan, photovoltaic, energy storage, diesel engine etc.；
2. load.As rlc load, induction-motor load, power electronics load etc.；
3. electric power networks.By circuit, distributed generation unit, load and main electrical network are coupled together.
The Real-Time Model that application rt-lab real-time emulation system sets up as above three kinds of micro-capacitance sensor composition parts is (i.e. micro-
Electrical network module and each primary equipment module being under micro-capacitance sensor module), and accordingly controlled.This module uses point
Level control method, can decouple the control in different time scales for the micro-capacitance sensor, improve the controllability reliability of micro-capacitance sensor.This is
The micro-capacitance sensor control of system is broadly divided into three levels: one-level control, Two-stage control and three class control.
One-level controls also referred to as local control, is the control for controlling the local parameters such as frequency, voltage, Injection Current
Layer.In the distributed power converter that each is connected with micro-capacitance sensor, one-level controls except basic Voltage loop, electric current loop pair
Outside closed loop control method, additionally use the droop control technology with virtual impedance.
Two-stage control is a kind of centerized fusion device, their value can be made extensive with the steady-state error of offset voltage and frequency
Arrive rated value again.Additionally, two-level controller also is responsible for AC bus along the control of line voltage so that any point in microgrid structure
Voltage all in operational limits.
The effect of three class control is the operation optimizing micro-capacitance sensor, controls dominant eigenvalues, in isolated network shape under simultaneously net state
Under state, load Cost Allocation is given each power supply, to realize optimal effectiveness.
Each stage of the present invention to be embodied as the course of work as follows:
(1) as shown in Figure 2: system includes: rt-lab replicating machine, one-level control module, Two-stage control module and calculating
Machine,
A) ruuning situation of micro-capacitance sensor simulated by rt-lab replicating machine, by micro-capacitance sensor each several part such as primary equipment, interconnection
Parameter is exported by i/o mouth；Primary equipment includes the elements such as blower fan, photovoltaic, diesel engine, energy storage.
B) the primary equipment analog output unit of rt-lab replicating machine passes through the corresponding one-level control module of winding displacement
A/d converting unit connect.
Corresponding one-level control module runs the one-level control method of micro-capacitance sensor, controls d/a module by spi interface mode
Export analog quantity to the simulation i/o of rt-lab replicating machine, and export epwm ripple to the digital i/o of rt-lab replicating machine, to control
The primary equipment of rt-lab replicating machine runs.
C) run the Two-stage control method of micro-capacitance sensor in Two-stage control module, micro-capacitance sensor connection is sent by digital i/o interface
Winding thread breaker open and close controlling signal is to rt-lab replicating machine.Two-stage control module simultaneously with each one-level control module pass through with
Too net connects, both-way communication.Each one-level control module transfers data to Two-stage control module, Two-stage control module process data
And send a control signal to one-level control module, carry out Two-stage control.
D) Two-stage control module is connected with computer by Ethernet, both-way communication.On the one hand, Two-stage control module is to meter
Calculation machine sends data, and computer shows corresponding waveform；On the other hand, computer sends data to Two-stage control module, changes
Become its relevant parameter, form three class control.
E) the Ethernet connection of the above each several part carries out construction by switch.
(2) as shown in Figure 3:
Analog quantity in rt-lab replicating machine is connected to the a/d unit of one-level control module by simulating i/o by winding displacement；One
Level control module receives feedback signal from rt-lab replicating machine, send after closed loop computing control control signal to
Rt-lab replicating machine.Control control signal to send data to d/a module by one-level control module by spi unit, make d/a module
Sending analog quantity to the simulation i/o interface of rt-lab replicating machine, thus controlling the distributed generator in rt-lab, changing micro- electricity
The operation conditions of net primary equipment.
(3) as shown in Figure 4:
Analog quantity in rt-lab replicating machine is mono- by simulating the a/d that i/o interface is connected to Two-stage control module by winding displacement
Unit；Two-stage control module receives the signal from rt-lab replicating machine, after closed loop computing, is sent micro- by digital i/o interface
Interconnecting ties breaker open and close controlling signal is to rt-lab replicating machine.
(4) as shown in Figure 1:
One-level control module, Two-stage control module, computer, with switch as medium, constitute ethernet network, carry out phase
Connect, transmission data.Wherein one-level control module, Two-stage control module is two-way is communicated, and forms Two-stage control process；Two
Level control module, computer bidirectional are communicated, and complete three class control process.
Above-mentioned specific embodiment is used for illustrating the present invention, rather than limits the invention, the present invention's
In spirit and scope of the claims, any modifications and changes that the present invention is made, both fall within the protection model of the present invention
Enclose.
Claims (9)
1. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab it is characterised in that:
Including rt-lab replicating machine, rt-lab replicating machine comprise micro-capacitance sensor module and be under micro-capacitance sensor module each once set
Standby module；
Including the one-level control module being connected with each primary equipment module in rt-lab replicating machine, one-level control module receives one
The emulation data of secondary device module carries out processing conversion, and active power of output and reactive power are to Two-stage control module, and receive
The feedback pwm control signal of Two-stage control module is sent to primary equipment module；
Including the Two-stage control module being connected with all one-level control modules, Two-stage control module receives the output of one-level control module
Active power and reactive power, simultaneously receive micro-capacitance sensor module Real-time Monitoring Data, treated output rt-lab replicating machine
Real-time Monitoring Data to computer；And receive dominant eigenvalues control signal and the micro-capacitance sensor operational mode control of computer export
Signal processed；And export interconnection breaker open and close controlling signal to the micro-capacitance sensor module of rt-lab replicating machine；
Including the computer being connected with Two-stage control module, computer receives the detection number of primary equipment module and micro-capacitance sensor module
Feed back to Two-stage control module according to treated generation dominant eigenvalues control signal and micro-capacitance sensor operational mode control signal.
2. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: be all connected with each other by switch between described one-level control module, Two-stage control module, computer, constitute with
Too net network.
3. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 2, it is special
Levy and be: described ethernet network is carried out data transmission by udp host-host protocol.
4. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: described emulation data includes voltage signal and current signal.
5. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: the Real-time Monitoring Data of described micro-capacitance sensor module includes micro-capacitance sensor voltage, micro-capacitance sensor frequency, dominant eigenvalues.
6. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: the Real-time Monitoring Data of described rt-lab replicating machine includes micro-capacitance sensor frequency, micro-capacitance sensor voltage, micro-capacitance sensor interconnection
Power and the power of each primary equipment module.
7. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: described one-level control module and Two-stage control module are all using dsp.
8. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: described one-level control module is provided with a/d interface, spi interface and i/o interface.
9. a kind of micro-capacitance sensor Semi-digital semi-physical real-time simulation system based on rt-lab according to claim 1, it is special
Levy and be: described Two-stage control module is provided with a/d interface and i/o interface.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105137348B (en) * | 2015-07-17 | 2017-12-12 | 国家电网公司 | A kind of diesel-driven generator simulator for microgrid |
| CN106681168A (en) * | 2015-11-10 | 2017-05-17 | 国网智能电网研究院 | Decoupling method for MMC converter valve digital-analog hybrid simulation interface network |
| CN106054672B (en) * | 2016-07-20 | 2020-02-14 | 天津天大求实电力新技术股份有限公司 | Real microgrid operation dynamic simulation test platform based on RT-LAB |
| CN107918290B (en) * | 2017-10-19 | 2021-07-30 | 上海科梁信息科技股份有限公司 | Simulation system and simulation method |
| CN108107751A (en) * | 2017-12-29 | 2018-06-01 | 哈尔滨安天科技股份有限公司 | A kind of simulation feedback method and system of industrial simulation control system |
| CN111046520A (en) * | 2019-10-22 | 2020-04-21 | 国网浙江省电力有限公司电力科学研究院 | Direct current distribution network semi-physical simulation system based on RT-LAB |
| CN111077803A (en) * | 2019-12-24 | 2020-04-28 | 国电南瑞科技股份有限公司 | Panoramic information physical fusion system simulation framework and working method thereof |
| CN112366796A (en) * | 2020-12-03 | 2021-02-12 | 南方电网科学研究院有限责任公司 | Energy storage system semi-physical simulation platform for gradient utilization of ex-service battery |
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| JPH08152902A (en) * | 1994-11-30 | 1996-06-11 | Hitachi Ltd | Adaptive processor |
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