CN106205305A - A kind of power electronics and motor drag experiment porch and operation method - Google Patents
A kind of power electronics and motor drag experiment porch and operation method Download PDFInfo
- Publication number
- CN106205305A CN106205305A CN201610475152.6A CN201610475152A CN106205305A CN 106205305 A CN106205305 A CN 106205305A CN 201610475152 A CN201610475152 A CN 201610475152A CN 106205305 A CN106205305 A CN 106205305A
- Authority
- CN
- China
- Prior art keywords
- circuit
- phase
- signal
- voltage
- experiment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
- G09B23/186—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits for digital electronics; for computers, e.g. microprocessors
Abstract
The embodiment of the invention discloses a kind of power electronics and motor drag experiment porch and operation method, relate to electric and electronic technical field, it is possible to increase the comprehensive and integrated level of experiment porch, cost-effective and raising uses motility.The present invention includes: the element of DSP core control circuit (2) includes dsp chip, is connected with computer equipment (1) by USB interface and carries out real time bidirectional communication；The element of FPGA expanded circuit (3) include FPGA board and with the expansion interface being connected externally to, and be connected with DSP core control circuit (2)；Signaling conversion circuit (5) is made up of Multichannel Current Sensor, voltage sensor and peripheral circuit, is used for the magnitude of current, the voltage obtaining in experimentation；Signal protection drive circuit (4) is made up of CPLD virtual protection circuit, drive circuit and over-voltage over-current protection circuit.The present invention is applicable to carry out open power electronics and the real-time Control release of Electrified Transmission digitized.
Description
Technical field
The present invention relates to electric and electronic technical field, particularly relate to a kind of power electronics and motor drag experiment porch and fortune
Row method.
Background technology
Power Electronic Technique is the subject utilizing power electronic devices to be controlled electric energy and change, the most nearly all
Colleges and universities all strengthen modern power electronics technology the content of courses, for comparing the abundant degree of Theory Course, power electronics skill
The related experiment course of art relatively lags behind, and the especially the most relatively simple main frame of university's Basic experimental teaching equipment is old
Analog circuit, is only capable of meeting basic confirmatory experiment.
And existing Digital Electric electronic test device is usually each big experiment room custom-made device, different experiments
Room and test site generally require and customize corresponding device according to research direction, are mainly used in degree of depth scientific research project, and almost often
The laboratory table of individual kind is all provided with a DSP (Digital Signal Processing, Digital Signal Processing) and controls mould
Block, relatively costly and very flexible, it is difficult to universal.
Summary of the invention
Embodiments of the invention provide a kind of power electronics and motor drag experiment porch and operation method, it is possible to increase real
Testing the comprehensive of platform and integrated level, cost-effective and raising uses motility.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
Computer equipment (1), DSP core control circuit (2), FPGA expanded circuit (3), signal protection drive circuit (4),
Signaling conversion circuit (5) and power electronics and Electrified Transmission test suspension member district；
The element of DSP core control circuit (2) includes dsp chip, by USB interface with computer equipment (1) even
Connect and carry out real time bidirectional communication, for modulus (AD) conversion, digital-to-analogue (DA) conversion, digital quantity input and output (IO), orthogonal letter
Number decoder (decoder)；
The group of FPGA (Field-Programmable Gate Array, field programmable gate array) expanded circuit (3)
Become element include FPGA board and with the expansion interface being connected externally to, and be connected with DSP core control circuit (2)；
Signaling conversion circuit (5) is made up of Multichannel Current Sensor, voltage sensor and peripheral circuit, is used for obtaining reality
The magnitude of current during testing, voltage, and it is sent to FPGA expanded circuit (3) and DSP core via signal protection drive circuit (4)
In heart control circuit (2), the conversion of digital quantity is measured in simulation, and the digital quantity being converted to sends to computer equipment (1)；
Signal protection drive circuit (4) by CPLD, ((Complex Programmable Logic Device, can compile by complexity
Journey logical device) virtual protection circuit, drive circuit and over-voltage over-current protection circuit composition.
Described power electronics and Electrified Transmission experiment suspension member district include: pulsed triggering circuit (6), single-phase bridge half control rectification
Circuit (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9), three-phase alternating current are adjusted
Volt circuit (10), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit
(13), Electrified Transmission circuit (14), other Power Electronic Experimentation circuit (15), DC power generating circuit (16), single-phase/three-phase
Rectification circuit (17), single phase alternating current power supply (18) and three-phase alternating-current supply (19)；
Signal protection drive circuit (4) respectively with FPGA expanded circuit (3), pulsed triggering circuit (6), signaling conversion circuit
(5), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), electricity
Gas driving circuit (14) and other Power Electronic Experimentation circuit (15) connect, for providing virtual protection and letter for connected circuit
Number drive；
Pulsed triggering circuit (6) is triggered circuit by multiplex pulse and forms and produce pulse triggering signal, respectively with single-phase bridge
Formula half-controlled rectifier circuit (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9),
Three-phase ac voltage regulation circuit (10) and other Power Electronic Experimentation circuit (15) connect, and are produced for providing by connected circuit
Pulse triggering signal, described pulse triggering signal include G, K trigger signal；
Signaling conversion circuit (5) respectively with single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase
IGCT complete (partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10), blow-up orthogonal frequency changer circuit
(11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other electric power electricity
Sub-experimental circuit (15) connects, and is used for being converted to the voltage signal on connected circuit and current signal be easy to gather
Analogue signal；
Single-phase/three-phase rectification circuit (17) is made up of the components and parts including commutation diode, respectively blow-up
Orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit
(14) connecting with other Power Electronic Experimentation circuit (15), being used for single phase alternating current power supply or three-phase alternating-current supply rectification is direct current
Power supply, and provide DC source for connected circuit；
Three-phase alternating-current supply (19) by the leakage protection circuit of three-phase alternating current source circuit (19), three-phase isolation transformer,
Three-phase intelligent digital display voltage x current combination table forms, respectively complete with three-phase thyristor (partly) control bridge (zero) formula rectification circuit (9), three
Cross streams regulating circuit (10) and other Power Electronic Experimentation circuit (15) connect, after providing isolation for connected circuit
Three-phase alternating-current supply, wherein said three-phase isolation transformer is for exporting the three-phase alternating voltage of plurality of specifications；
Single phase alternating current power supply (18) is by the leakage protection circuit of single phase alternating current power supply (18), single-phase isolating transformer, single-phase
Intelligent digital voltage x current combination table forms, respectively with single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8)
Connect with other Power Electronic Experimentation circuit (15), for providing the single phase alternating current power supply after isolation for connected circuit, wherein
Described single-phase isolating transformer is for exporting the single-phase AC voltage of plurality of specifications；
Other Power Electronic Experimentation circuit (15) include photovoltaic inverter circuit；
DC power generating circuit (16) includes AC-DC and DC-DC conversion circuit, and respectively with signaling conversion circuit (5),
Signal protection drive circuit (4), pulsed triggering circuit (6), blow-up orthogonal frequency changer circuit (11), three intersect orthogonal
Frequency changer circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other Power Electronic Experimentation circuit (15) connect,
The DC source of+24V ,+15V or-15V needed for provide single-phase electricity and system to control for connected circuit.
Electrified Transmission circuit (14) includes high-voltage motor driving circuit and low voltage motor driving circuit, is used for testing motor
Electrified Transmission experiment, described experiment motor includes: three-phase permanent magnet synchronous motor (PMSM), ac three-phase asynchronous motor, brushless
Direct current generator, motor and reluctance motor；
Single phase full bridge semi controlled rectifier (7) and single phase ac regulation circuit (8) are respectively by IGCT, diode, periphery
Circuit, ohmic load and inductive load composition, test for single-phase bridge half control rectification experiment and single phase ac regulation；
Three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9) is born by IGCT, diode, peripheral circuit, resistance
Carry and inductive load forms, for three-phase thyristor complete (partly) control bridge (zero) formula rectification experiment；
Three-phase ac voltage regulation circuit (10) is made up of three-phase circuit and ohmic load, real for three phase ac voltage regulation
Test；
Blow-up orthogonal frequency changer circuit (11) is made up of single-phase bridge inverter circuit and load circuit, for single-phase
Ac-dc-ac inverter is tested；
Three-phase ac-dc-ac inverter circuit (12) is made up of three-phase inverter bridge circuit and load circuit, for three-phase
Ac-dc-ac inverter is tested；
DC chopper circuit (13) is made up of individual devices, and described individual devices includes: MOSFET (Metal-Oxide-
Semiconductor Field-Effect Transistor, metal-oxide half field effect transistor) or IGBT (Insulated Gate
Bipolar Transistor, insulated gate bipolar transistor) circuit, optocoupler, resistance, electric capacity, inductance and bulb, and combined
Become Boost-Buck Chopper, Boost Chopper, Buck Chopper, Cuk Chopper, Zeta Chopper,
Six kinds of typical chopper circuits of Sepic Chopper, and for the buck experiment of these six kinds of typical chopper circuits；
Electrified Transmission circuit (14) is conciliate by power driving circuit, optical coupling isolation circuit, voltage sensor, current sensor
Code device composition, for the speed of permagnetic synchronous motor, threephase asynchronous machine, brshless DC motor, motor and reluctance motor
Closed loop, the Control release of position closed loop.
Power electronics that the embodiment of the present invention provides and motor drag experiment porch and operation method, by experiment porch
Single phase full bridge semi controlled rectifier can complete single-phase bridge half control rectification experiment；Can be completed by single phase ac regulation circuit
Single phase ac regulation is tested；Three-phase thyristor can be completed complete by three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit
(partly) control bridge (zero) formula rectification experiment；Three-phase alternating current can be completed by three-phase ac voltage regulation circuit to test；By blow-up-
Directly-AC-AC frequency changer circuit can complete blow-up-straight-alternation frequency experiment；Three can be realized by three-phase ac-dc-ac inverter circuit
Intersect-straight-alternation frequency experiment；Complete IGBT DC chopped-wave by DC chopper circuit to test；Permissible by Electrified Transmission circuit
Complete three-phase permanent magnet synchronous motor (PMSM) drive experiments, ac three-phase asynchronous motor drive experiments, brshless DC motor transmission
Experiment, motor drive experiments, reluctance motor drive experiments, SVPWM (Space Vector Pulse Width
Modulation, space vector pulse width modulation) test and the checking test of various algorithms.Relative in prior art, basis is real
Testing the most relatively simple main frame of teaching equipment is old analog circuit, or almost sets in the laboratory table of each kind
Put the scheme of the relatively costly of a DSP control circuit and very flexible.The present embodiment achieves only with one piece of dsp chip
Nearly all experiment section during achieving Basic experimental teaching as the system architecture of core control panel and FPGA expanded circuit
Purpose experiential function, improves the comprehensive of experiment porch and integrated level, has saved cost, improves use motility.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Power electronics and the framework of motor drag experiment porch and operation method that Fig. 1 provides for the embodiment of the present invention are illustrated
Figure；
The three-phase bridge controlled rectification experimental implementation interface schematic diagram that Fig. 2 provides for the embodiment of the present invention；
Single-phase bridge half control rectification experiment and the principle of single phase ac regulation experiment that Fig. 3 provides for the embodiment of the present invention are shown
It is intended to；
Power electronics that Fig. 4 provides for the embodiment of the present invention and motor drag experiment porch and the experimental implementation of operation method
Total program interface schematic diagram；
The DC chopped-wave control principle schematic diagram that Fig. 5 provides for the embodiment of the present invention；
The single-phase/three-phase thyristor dc speed regulation control principle schematic diagram that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is described in further detail by formula.Embodiments of the present invention, the showing of described embodiment are described in more detail below
Example is shown in the drawings, and the most same or similar label represents same or similar element or has identical or class
Element like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and can not
It is construed to limitation of the present invention.Those skilled in the art of the present technique are appreciated that unless expressly stated, odd number shape used herein
Formula " one ", " one ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that the description of the present invention
The wording of middle use " includes " referring to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that
Exist or add other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that
When we claim element to be " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or
Intermediary element can also be there is.Additionally, " connection " used herein or " coupling " can include wireless connections or couple.Here make
Wording "and/or" include one or more any cell listing item being associated and all combinations.The art
Those of skill will appreciate that, unless otherwise defined, all terms used herein (including technical term and scientific terminology) have
With the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Should also be understood that the most general
Those terms defined in dictionary should be understood that have the meaning consistent with the meaning in the context of prior art, and
Unless defined as here, will not explain by idealization or the most formal implication.
The embodiment of the present invention provides a kind of power electronics and motor drag experiment porch, as it is shown in figure 1, include: computer
Equipment (1), DSP core control circuit (2), FPGA expanded circuit (3), signal protection drive circuit (4), signaling conversion circuit
(5) and power electronics and Electrified Transmission experiment suspension member district.
The element of DSP core control circuit (2) includes dsp chip, by USB interface with computer equipment (1) even
Connect and carry out real time bidirectional communication, for modulus (AD) conversion, digital-to-analogue (DA) conversion, digital quantity input and output (IO), orthogonal letter
Number decoder (decoder).
The element of FPGA expanded circuit (3) include FPGA board and with the expansion interface being connected externally to, and and DSP core
Heart control circuit (2) is connected.
Signaling conversion circuit (5) is made up of Multichannel Current Sensor, voltage sensor and peripheral circuit, is used for obtaining reality
The magnitude of current during testing, voltage, and it is sent to FPGA expanded circuit (3) and DSP core via signal protection drive circuit (4)
In heart control circuit (2), the conversion of digital quantity is measured in simulation, and the digital quantity being converted to sends to computer equipment (1).
Signal protection drive circuit (4) is made up of CPLD virtual protection circuit, drive circuit and over-voltage over-current protection circuit.
In the present embodiment, described power electronics and Electrified Transmission experiment suspension member district include: pulsed triggering circuit (6), list
Phase halbgesteuerte Gleichrichterbrueckenschaltung (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit
(9), three-phase ac voltage regulation circuit (10), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit
(12), DC chopper circuit (13), Electrified Transmission circuit (14), other Power Electronic Experimentation circuit (15), DC source produce
Circuit (16), single-phase/three-phase rectification circuit (17), single phase alternating current power supply (18) and three-phase alternating-current supply (19).Wherein:
Signal protection drive circuit (4) respectively with FPGA expanded circuit (3), pulsed triggering circuit (6), signaling conversion circuit
(5), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), electricity
Gas driving circuit (14) and other Power Electronic Experimentation circuit (15) connect, for providing virtual protection and letter for connected circuit
Number drive.
Pulsed triggering circuit (6) is triggered circuit by multiplex pulse and forms and produce pulse triggering signal, respectively with single-phase bridge
Formula half-controlled rectifier circuit (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9),
Three-phase ac voltage regulation circuit (10) and other Power Electronic Experimentation circuit (15) connect, and are produced for providing by connected circuit
Pulse triggering signal, described pulse triggering signal include G, K trigger signal.
Signaling conversion circuit (5) respectively with single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase
IGCT complete (partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10), blow-up orthogonal frequency changer circuit
(11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other electric power electricity
Sub-experimental circuit (15) connects, and is used for being converted to the voltage signal on connected circuit and current signal be easy to gather
Analogue signal.
Single-phase/three-phase rectification circuit (17) is made up of the components and parts including commutation diode, respectively blow-up
Orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit
(14) connecting with other Power Electronic Experimentation circuit (15), being used for single phase alternating current power supply or three-phase alternating-current supply rectification is direct current
Power supply, and provide DC source for connected circuit.
Three-phase alternating-current supply (19) by the leakage protection circuit of three-phase alternating current source circuit (19), three-phase isolation transformer,
Three-phase intelligent digital display voltage x current combination table forms, respectively complete with three-phase thyristor (partly) control bridge (zero) formula rectification circuit (9), three
Cross streams regulating circuit (10) and other Power Electronic Experimentation circuit (15) connect, after providing isolation for connected circuit
Three-phase alternating-current supply, wherein said three-phase isolation transformer is for exporting the three-phase alternating voltage of plurality of specifications.
Single phase alternating current power supply (18) is by the leakage protection circuit of single phase alternating current power supply (18), single-phase isolating transformer, single-phase
Intelligent digital voltage x current combination table forms, respectively with single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8)
Connect with other Power Electronic Experimentation circuit (15), for providing the single phase alternating current power supply after isolation for connected circuit, wherein
Described single-phase isolating transformer is for exporting the single-phase AC voltage of plurality of specifications.
Other Power Electronic Experimentation circuit (15) include photovoltaic inverter circuit.
DC power generating circuit (16) includes AC-DC and DC-DC conversion circuit, and respectively with signaling conversion circuit (5),
Signal protection drive circuit (4), pulsed triggering circuit (6), blow-up orthogonal frequency changer circuit (11), three intersect orthogonal
Frequency changer circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other Power Electronic Experimentation circuit (15) connect,
The DC source of+24V ,+15V or-15V needed for provide single-phase electricity and system to control for connected circuit.
In the present embodiment, Electrified Transmission circuit (14) includes high-voltage motor driving circuit and low voltage motor transmission electricity
Road, for test motor Electrified Transmission experiment, described experiment motor includes: three-phase permanent magnet synchronous motor (PMSM), three intersect
Stream asynchronous machine, brshless DC motor, motor and reluctance motor.
Single phase full bridge semi controlled rectifier (7) and single phase ac regulation circuit (8) are respectively by IGCT, diode, periphery
Circuit, ohmic load and inductive load composition, test for single-phase bridge half control rectification experiment and single phase ac regulation.
Three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9) is born by IGCT, diode, peripheral circuit, resistance
Carry and inductive load forms, for three-phase thyristor complete (partly) control bridge (zero) formula rectification experiment.
Three-phase ac voltage regulation circuit (10) is made up of three-phase circuit and ohmic load, real for three phase ac voltage regulation
Test.
Blow-up orthogonal frequency changer circuit (11) is made up of single-phase bridge inverter circuit and load circuit, for single-phase
Ac-dc-ac inverter is tested.
Three-phase ac-dc-ac inverter circuit (12) is made up of three-phase inverter bridge circuit and load circuit, for such as Fig. 2
Shown three-phase ac-dc-ac inverter experiment.
DC chopper circuit (13) is made up of individual devices, and described individual devices includes: MOSFET or IGBT circuit, light
Coupling, resistance, electric capacity, inductance and bulb, and combined Boost-Buck Chopper, Boost Chopper, Buck
Chopper, Cuk six kinds of typical chopper circuits of Chopper, Zeta Chopper, Sepic Chopper, and for these six kinds of allusion quotations
The buck experiment of type chopper circuit.
Electrified Transmission circuit (14) is conciliate by power driving circuit, optical coupling isolation circuit, voltage sensor, current sensor
Code device composition, for the speed of permagnetic synchronous motor, threephase asynchronous machine, brshless DC motor, motor and reluctance motor
Closed loop, the Control release of position closed loop.
The embodiment of the present invention also provides for a kind of power electronics and motor drag experiment porch and operation method, and described method is used
In above-mentioned power electronics and motor drag experiment porch.Described method includes:
Receive single phase alternating current power supply (18) single-phase alternating current that exports, and be input to signaling conversion circuit (5) and change.
Via signal protection drive circuit (4), the signal after conversion is transferred to FPGA expanded circuit (3) carry out quantization and become digital quantity.
By DSP core control circuit (2) according to experiment control program, with fixed frequency, the digital quantity after quantifying is read out, and
Detecting the digital quantity after described quantization is positive zero passage or negative zero passage, then sends corresponding instruction information, wherein, computer equipment
(1) being managed collectively experiment control program under Matlab/Simulink or Labview software environment, described instruction information is used for
Represent zero crossing.
Concrete, for single-phase bridge half control rectification experiment, single phase ac regulation experiment, three-phase thyristor complete (partly) control bridge
(zero) experiment such as formula rectification experiment, three phase ac voltage regulation, can realize zero passage detection, and single-phase zero passage detection by software algorithm
Similar with three-phase zero passage detection step, the main synchronous AC signal that gathers carries out soft in Matlab/Simulink or Labview
Part is crossed zero-sum phase shift and is processed, and finally sends triggering signal.Single-phase with test based on single-phase bridge half control rectification as shown in Figure 3
As a example by zero passage detection, idiographic flow includes:
Step 1: the single-phase alternating current that single phase alternating current power supply (18) exports is input to signaling conversion circuit (5) and changes.
Step 2: the signal after step 1 conversion is transferred to FPGA expanded circuit (3) via signal protection drive circuit (4) and enters
Row quantization becomes digital quantity.
Step 3: the experiment control journey write under computer (1) and Matlab/Simulink or Labview software environment
Sequence, and download in DSP core control circuit (2) by download tool, DSP core control circuit (2) with fixed frequency to step
Digital quantity after rapid 2 quantizations is read out.
Step 4: experiment control program is according to the digital quantity read, it is judged that be positive zero passage or negative zero passage, and send phase
The instruction information answered.
Step 5: return step 1, continues to judge zero crossing.
In the present embodiment, said method also includes: computer equipment (1) obtains user and sets in experiment control interface
Phase angle, and DSP core control circuit (2) downloads described experiment control program from computer equipment (1).Detect single-phase or
The zero crossing of person's three-phase.With zero crossing as reference point, the phase place at AC signal reaches the moment at set phase angle and sends
Control instruction, and arrive pulsed triggering circuit (6) through FPGA expansion board (3) and signal protection drive circuit (4), then by pulse
Trigger circuit (6) send multichannel touch signal to single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase
IGCT complete (partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10) and/or other Power Electronic Experimentation electricity
Road (15).
Concrete, for single-phase bridge half control rectification experiment, single phase ac regulation experiment, three-phase thyristor complete (partly) control bridge
(zero) formula rectification experiment, three phase ac voltage regulation experiment, idiographic flow includes:
Step 1: each circuit is correctly coupled together with connecting line.
Step 2: computer equipment (1) obtains the phase angle that user sets in experiment control interface, and by download program
In DSP core control circuit (2).
Step 3: detect the single-phase or zero crossing of three-phase according to the zero passage detection method in claim 24.
Step 4: with zero crossing as reference point, the phase place at AC signal reaches to set the phase angle moment, and control program is sent out
Going out control instruction, and arrive pulsed triggering circuit (6) through FPGA expansion board (3), signal protection drive circuit (4), pulse is touched
Power Generation Road (6) sends multichannel and touches that to signal to single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase brilliant
Brake tube complete (partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10), other Power Electronic Experimentation circuit
(15), it is achieved thereby that digitized single-phase bridge half control rectification, single phase ac regulation, three-phase thyristor (partly) entirely control bridge (zero) formula
The experiment content such as rectification, three phase ac voltage regulation.
Step 5: return step 1, continues Digital Electric electronic experiment.
In the present embodiment, said method also includes: computer equipment (1) obtains user in described experiment control interface
Set frequency conversion after frequency and amplitude, and DSP core control circuit (2) from computer equipment (1) download described experiment control
Processing procedure sequence.DSP core control circuit (2) sends pwm signal, through FPGA expanded circuit (3) and signal protection drive circuit (4)
Arrive blow-up orthogonal frequency changer circuit (11) and three-phase ac-dc-ac inverter circuit (12), and the exchange producing correspondence becomes
Frequently signal.The AC frequency conversion that blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12) are exported
Signal collects DSP core control by signaling conversion circuit (5), signal protection drive circuit (4) and FPGA expanded circuit (3)
Data are passed to computer equipment (1) by DSP core control circuit (2) by USB interface by circuit (2), and by computer equipment
(1) output waveform after display frequency conversion.
Concrete, for the experiment of single-phase ac-dc-ac inverter, the experiment of three-phase ac-dc-ac inverter, idiographic flow bag
Include:
Step 1: each circuit is correctly coupled together with connecting line.
Step 2: set the frequency after frequency conversion and amplitude in the experiment control interface of computer equipment (1), and download to
In DSP core control circuit (2).
Step 3: run control program and send pwm signal, pwm signal drives through FPGA expanded circuit (3), signal protection
Circuit (4) arrives blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), produces corresponding friendship
Stream frequency variation signal.
Step 4: the friendship that blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12) are exported
Stream frequency variation signal collects DSP core by signaling conversion circuit (5), signal protection drive circuit (4), FPGA expanded circuit (3)
Heart control circuit (2), data are passed to be easy in computer equipment (1) observe by DSP core control circuit (2) by USB interface
Output waveform after frequency conversion.
Step 5: return to step 2.
In the present embodiment, said method also includes: computer equipment (1) obtains user in described experiment control interface
Set DC chopped-wave after target voltage values Vref, and DSP core control circuit (2) from computer equipment (1) download institute
State experiment control program.The voltage exported by DC chopper circuit (13) drives electricity via signaling conversion circuit (5), signal protection
Road (4) and FPGA expanded circuit (2) are converted to digital quantity Vfb.DSP core control circuit (2) read with the fixing sampling period
Vfb, and obtain calculating error e=Vref-Vfb, then e is carried out PID arithmetic output duty cycle U.Sending dutycycle is U's
Pwm signal, arrives DC chopper circuit (13) through FPGA expanded circuit (3), signal protection drive circuit (4), and by direct current
Chopper circuit (13) exports corresponding DC voltage.Repeat said process, until the unidirectional current that DC chopper circuit (13) exports
Pressure value reaches Vref.
Concrete, DC chopped-wave is tested, as shown in Figure 5, idiographic flow includes:
Step 1: select a kind of DC chopper circuit, with connecting line, each circuit is correctly coupled together.
Step 2: set target voltage values Vref after DC chopped-wave in the experiment control interface of computer equipment (1),
And download in DSP core control circuit (2).
Step 3: the voltage that DC chopper circuit (13) exports is via signaling conversion circuit (5), signal protection drive circuit
And FPGA expanded circuit (2) is converted to digital quantity Vfb (4).
The Vfb that step 4:DSP core control circuit (2) obtains with fixing sampling period read step 3.
Step 5: calculate error e=Vref-Vfb in control program.And e is carried out the computings such as PID, output duty cycle U.
Step 6: control program sends the pwm signal that dutycycle is U, pwm signal is through FPGA expanded circuit (3), signal
Protection drive circuit (4) arrives DC chopper circuit (13).DC chopper circuit (13) exports corresponding DC voltage.
Step 7: repeat step 3 and reach given to step 6, the DC voltage value exported until DC chopper circuit (13)
Target voltage values Vref.
In the present embodiment, said method also includes: computer equipment (1) obtains user in described experiment control interface
Set rotor-position set-point θ _ ref, and DSP core control circuit (2) from computer equipment (1) download described experiment control
Processing procedure sequence.The biphase current signal i that Electrified Transmission circuit (14) is exporteda、ib, motor rotor speed orthogonal signalling Speed and electricity
Machine rotor position orthogonal signalling θ, are converted to digital quantity via signal protection drive circuit (4) and FPGA expanded circuit (3).DSP
Core control circuit (2) reads biphase current signal i with the fixing sampling perioda、ib, motor rotor speed orthogonal signalling Speed
With motor rotor position orthogonal signalling θ.Calculate motor rotor position error theta _ err=θ _ ref-θ, then θ _ err is carried out PID fortune
Calculation obtains speed preset signal Speed_ref.And calculate velocity error Speed_err=Speed_ref-Speed, more right
Speed_err carries out PID arithmetic and obtains electric current controlled quentity controlled variable I_ref.According to ia、ib, I_ref, θ carry out Park conversion, Clark become
Change and double-current ring PI computing, obtain Uα、Uβ.According to Uα、UβCarry out SVPWM conversion, export pwm control signal, and via FPGA
Expanded circuit (3), signal protection drive circuit (4) arrive Electrified Transmission circuit (14), and Electrified Transmission circuit (14) is according to described
Pwm control signal controls permagnetic synchronous motor operating.Repeat said process, until motor rotor position reaches set-point θ _ ref.
Concrete, in testing for Electrified Transmission, motor rotor speed controls as double-closed-loop control, motor rotor position control
It is made as two close cycles or Three-loop control is tested, as a example by permanent-magnet synchronous motor rotor position Three-loop control, as shown in Figure 6,
Idiographic flow includes:
Step 1: each circuit is correctly coupled together with connecting line.
Step 2: set rotor-position set-point θ _ ref in the experiment control interface of computer equipment (1), and download to
In DSP core control circuit (2).
Step 3: Electrified Transmission circuit (14) output biphase current signal ia、ib, and motor rotor speed orthogonal signalling
Speed, motor rotor position orthogonal signalling θ, and change via signal protection drive circuit (4) and FPGA expanded circuit (3)
For digital quantity.
Electric current, speed and the position that step 4:DSP core control circuit (2) obtains with fixing sampling period read step 3
Confidence ceases.
Step 5: calculate motor rotor position error theta _ err=θ _ ref-θ in control program.And θ _ err is carried out PID etc.
Computing, obtains speed preset signal Speed_ref.
Step 6: control program and calculate velocity error Speed_err=Speed_ref-Speed.And Speed_err is entered
The computings such as row PID, obtain electric current controlled quentity controlled variable I_ref.
Step 7: control program according to ia、ib, I_ref, θ carry out Park conversion, Clark conversion, double-current ring PI computing,
Obtain Uα、Uβ。
Step 8: control program according to Uα、Uβ, carry out SVPWM conversion, export pwm control signal, and via FPGA extension electricity
Road (3), signal protection drive circuit (4) arrive Electrified Transmission circuit (14).Electrified Transmission circuit (14) controls permanent magnet synchronous electric
Machine operates.
Step 9: repeat step 3 and arrive step 8, until motor rotor position reaches set-point θ _ ref.
In the present embodiment, computer equipment (1) runs Matlab/Simulink or Labview software, described experiment
Control program directly in Matlab/Simulink or Labview with S-Fuction function, M file, Simulink circuit library
In the Form generation such as circuit and stored.Such as: as shown in Figure 4, at the Matlab/ of described computer equipment (1)
Simulink or Labview software devises the experimental implementation interface of whole system, comprise single-phase bridge half control rectification experiment,
The experiment of three-phase bridge controlled rectification, single-phase voltage regulating experiment, three phase voltage regulating experiment, single-phase Sine Wave Pulse Width Modulation (SPWM) inversion electricity
Road experiment, three-phase sine-wave pulsewidth modulation (SPWM) inverter circuit are tested, DC chopped-wave is tested, two close cycles IGCT is uncontrollable directly
Stream governing system experiment, permagnetic synchronous motor vector controlled and phase asynchronous vector motor Control release etc..
By experiment control interface, each experimental circuit is visualized, graphic programming, obtain described experiment control circle
Face.Experiment control interface can adjust with real-time online and control parameter.Control program real-time data collection, and at experiment control
Show in real time on interface, it is simple to preserve, analyze, compare.
By reading the button operation on described experiment control interface, the compiling of control program is generated code, and code
Download to real time execution in DSP core control circuit (2).
All experiment control programs of the present invention directly in Matlab/Simulink or Labview with S-Fuction letter
The forms such as the circuit in number, M file, Simulink circuit library are write；Being carried out each experimental circuit by experiment control interface can
Depending on change, graphic programming, obtain experiment control interface, and be connected with control program；Button is passed through at experiment control interface
The compiling of control program is generated code, and downloads code in computer equipment (1) and DSP core control circuit (2) real-time
Run, complete each experiment, be a kind of real digitized experimental provision.The present invention provides experimental assembly and real-time control routine,
Kinds of experiments checking, the monistic shortcoming of Power Electronic Experimentation before having abandoned can be realized, there is comprehensive and exploitability,
And adapting to Power Electronic Technique and the digitized real-time Control release device and method of Electrified Transmission development need, it has high-precision
The control system of degree, tests for comprehensive power electronics and Electrified Transmission.And every experiment is equipped with test panel, experiment
During checking, the parameter of operation, sampled data show on experiment control interface the most in real time, clear,
It is easy to preserve, analyzes, compares, and peripheral circuit of each experiment needs to complete at panel area line, convenience and high-efficiency, is suitable for this
Universities and colleges of section higher grade pupil, postgraduate etc. carry out research power electronics and Electrified Transmission requirement of experiment.
Power electronics that the embodiment of the present invention provides and motor drag experiment porch and operation method, by experiment porch
Single phase full bridge semi controlled rectifier can complete single-phase bridge half control rectification experiment；Can be completed by single phase ac regulation circuit
Single phase ac regulation is tested；Three-phase thyristor can be completed complete by three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit
(partly) control bridge (zero) formula rectification experiment；Three-phase alternating current can be completed by three-phase ac voltage regulation circuit to test；By blow-up-
Directly-AC-AC frequency changer circuit can complete blow-up-straight-alternation frequency experiment；Three can be realized by three-phase ac-dc-ac inverter circuit
Intersect-straight-alternation frequency experiment；Complete IGBT DC chopped-wave by DC chopper circuit to test；Permissible by Electrified Transmission circuit
Complete three-phase permanent magnet synchronous motor (PMSM) drive experiments, ac three-phase asynchronous motor drive experiments, brshless DC motor transmission
The checking test of experiment, motor drive experiments, reluctance motor drive experiments, SVPWM experiment and various algorithm.Relative to existing
Having in technology, the most relatively simple main frame of Basic experimental teaching equipment is old analog circuit, or almost at each kind
The laboratory table of class is all provided with the scheme of the relatively costly of a DSP control circuit and very flexible.The present embodiment achieves
Basic experimental teaching process is achieved as the system architecture of core control panel and FPGA expanded circuit only with one piece of dsp chip
In the purpose experiential function of nearly all experiment section, improve the comprehensive of experiment porch and integrated level, saved cost, improve
Use motility.
Each embodiment in this specification all uses the mode gone forward one by one to describe, identical similar portion between each embodiment
Dividing and see mutually, what each embodiment stressed is the difference with other embodiments.Real especially for equipment
For executing example, owing to it is substantially similar to embodiment of the method, so describing fairly simple, relevant part sees embodiment of the method
Part illustrate.The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replace
Change, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Enclose and be as the criterion.
Claims (9)
1. a power electronics and motor drag experiment porch, it is characterised in that including: computer equipment (1), DSP core control
Circuit processed (2), FPGA expanded circuit (3), signal protection drive circuit (4), signaling conversion circuit (5) and power electronics and electrically
Drive experiments suspension member district；
The element of DSP core control circuit (2) includes dsp chip, is connected also with computer equipment (1) by USB interface
Carry out real time bidirectional communication, for modulus (AD) conversion, digital-to-analogue (DA) conversion, digital quantity input and output (IO), orthogonal signalling solution
Code device (decoder)；
The element of FPGA expanded circuit (3) include FPGA board and with the expansion interface being connected externally to, and with DSP core control
Circuit processed (2) is connected；
Signaling conversion circuit (5) is made up of Multichannel Current Sensor, voltage sensor and peripheral circuit, is used for obtaining and tested
The magnitude of current in journey, voltage, and it is sent to FPGA expanded circuit (3) and DSP core control via signal protection drive circuit (4)
In circuit processed (2), the conversion of digital quantity is measured in simulation, and the digital quantity being converted to sends to computer equipment (1)；
Signal protection drive circuit (4) is made up of CPLD virtual protection circuit, drive circuit and over-voltage over-current protection circuit.
Power electronics the most according to claim 1 and motor drag experiment porch, it is characterised in that described power electronics and
Electrified Transmission experiment suspension member district includes: pulsed triggering circuit (6), single phase full bridge semi controlled rectifier (7), single phase ac regulation electricity
It is straight that bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10), blow-up are controlled in road (8), three-phase thyristor complete (partly)
AC-AC frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14),
Other Power Electronic Experimentation circuit (15), DC power generating circuit (16), single-phase/three-phase rectification circuit (17), single phase ac
Power supply (18) and three-phase alternating-current supply (19)；
Signal protection drive circuit (4) respectively with FPGA expanded circuit (3), pulsed triggering circuit (6), signaling conversion circuit (5),
Blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), electrically pass
Galvanic electricity road (14) and other Power Electronic Experimentation circuit (15) connect, for providing virtual protection and signal to drive for connected circuit
Dynamic；
Pulsed triggering circuit (6) is triggered circuit by multiplex pulse and forms and produce pulse triggering signal, respectively with single-phase bridge half
Control rectifying circuit (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9), three-phase
AC voltage adjusting circuit (10) and other Power Electronic Experimentation circuit (15) connect, for providing produced arteries and veins for connected circuit
Punching triggers signal, and described pulse triggering signal includes that G, K trigger signal；
Signaling conversion circuit (5) respectively with single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase crystalline substance lock
Guan Quan (partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10), blow-up orthogonal frequency changer circuit
(11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other electric power electricity
Sub-experimental circuit (15) connects, and is used for being converted to the voltage signal on connected circuit and current signal be easy to gather
Analogue signal；
Single-phase/three-phase rectification circuit (17) is made up of the components and parts including commutation diode, and respectively blow-up is straight
AC-AC frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and
Other Power Electronic Experimentation circuit (15) connect, and being used for single phase alternating current power supply or three-phase alternating-current supply rectification is DC source,
And provide DC source for connected circuit；
Three-phase alternating-current supply (19) is by the leakage protection circuit of three-phase alternating current source circuit (19), three-phase isolation transformer, three-phase
Intelligent digital voltage x current combination table forms, and complete with three-phase thyristor (partly) respectively controls bridge (zero) formula rectification circuit (9), three intersects
Stream regulating circuit (10) and other Power Electronic Experimentation circuit (15) connect, for providing the three-phase after isolation for connected circuit
Alternating current power supply, wherein said three-phase isolation transformer is for exporting the three-phase alternating voltage of plurality of specifications；
Single phase alternating current power supply (18) is by the leakage protection circuit of single phase alternating current power supply (18), single-phase isolating transformer, single-phase intelligent
Digital display voltage x current combination table form, respectively with single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8) and its
He connects by Power Electronic Experimentation circuit (15), for providing the single phase alternating current power supply after isolation for connected circuit, wherein said
Single-phase isolating transformer is for exporting the single-phase AC voltage of plurality of specifications；
Other Power Electronic Experimentation circuit (15) include photovoltaic inverter circuit；
DC power generating circuit (16) includes AC-DC and DC-DC conversion circuit, and respectively with signaling conversion circuit (5), signal
Protection drive circuit (4), pulsed triggering circuit (6), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter
Circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other Power Electronic Experimentation circuit (15) connect, and are used for
The DC source of+24V ,+15V or-15V needed for providing single-phase electricity and system to control for connected circuit.
Power electronics the most according to claim 2 and motor drag experiment porch, it is characterised in that Electrified Transmission circuit
(14) high-voltage motor driving circuit and low voltage motor driving circuit are included, for testing the Electrified Transmission experiment of motor, described
Experiment motor include: three-phase permanent magnet synchronous motor (PMSM), ac three-phase asynchronous motor, brshless DC motor, motor and
Reluctance motor；
Single phase full bridge semi controlled rectifier (7) and single phase ac regulation circuit (8) respectively by IGCT, diode, peripheral circuit,
Ohmic load and inductive load composition, test for single-phase bridge half control rectification experiment and single phase ac regulation；
Three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9) by IGCT, diode, peripheral circuit, ohmic load and
Inductive load forms, for three-phase thyristor complete (partly) control bridge (zero) formula rectification experiment；
Three-phase ac voltage regulation circuit (10) is made up of three-phase circuit and ohmic load, tests for three phase ac voltage regulation；
Blow-up orthogonal frequency changer circuit (11) is made up of single-phase bridge inverter circuit and load circuit, for blow-up
Orthogonal frequency conversion is tested；
Three-phase ac-dc-ac inverter circuit (12) is made up of three-phase inverter bridge circuit and load circuit, intersects for three
Orthogonal frequency conversion is tested；
DC chopper circuit (13) is made up of individual devices, and described individual devices includes: MOSFET or IGBT circuit, optocoupler, electricity
Resistance, electric capacity, inductance and bulb, and combined Boost-Buck Chopper, Boost Chopper, Buck Chopper,
Cuk Chopper, Zeta Chopper, six kinds of typical chopper circuits of Sepic Chopper, and for these six kinds of typical copped wave electricity
The buck experiment on road；
Electrified Transmission circuit (14) is by power driving circuit, optical coupling isolation circuit, voltage sensor, current sensor and decoder
Composition, for permagnetic synchronous motor, threephase asynchronous machine, brshless DC motor, motor and reluctance motor speed closed loop,
The Control release of position closed loop.
4. a power electronics and the operation method of motor drag experiment porch, it is characterised in that described method is for a kind of electricity
Power electronics and motor drag experiment porch, described power electronics and motor drag experiment porch include: computer equipment (1), DSP
Core control circuit (2), FPGA expanded circuit (3), signal protection drive circuit (4), signaling conversion circuit (5) and power electronics
And Electrified Transmission experiment suspension member district；The element of DSP core control circuit (2) includes dsp chip, by USB interface and meter
Calculate machine equipment (1) connect and carry out real time bidirectional communication, input defeated for modulus (AD) conversion, digital-to-analogue (DA) conversion, digital quantity
Go out (IO), orthogonal signalling decoder (decoder)；The element of FPGA expanded circuit (3) include FPGA board and with outside
The expansion interface being connected, and be connected with DSP core control circuit (2)；Signaling conversion circuit (5) is by Multichannel Current Sensor, electricity
Pressure sensor and peripheral circuit composition, be used for the magnitude of current, the voltage obtaining in experimentation, and drive via signal protection
Circuit (4) is sent to simulation in FPGA expanded circuit (3) and DSP core control circuit (2) and measures the conversion of digital quantity, turns
The digital quantity got in return sends to computer equipment (1)；Signal protection drive circuit (4) is by CPLD virtual protection circuit, driving
Circuit and over-voltage over-current protection circuit composition；Single phase alternating current power supply (18) by the leakage protection circuit of single phase alternating current power supply (18),
Single-phase isolating transformer, single-phase intelligent digital display voltage x current combination table form, respectively with single phase full bridge semi controlled rectifier (7),
Single phase ac regulation circuit (8) and other Power Electronic Experimentation circuit (15) connect, after providing isolation for connected circuit
Single phase alternating current power supply, wherein said single-phase isolating transformer is for exporting the single-phase AC voltage of plurality of specifications；
Described method includes:
Receive single phase alternating current power supply (18) single-phase alternating current that exports, and be input to signaling conversion circuit (5) and change；
Via signal protection drive circuit (4), the signal after conversion is transferred to FPGA expanded circuit (3) carry out quantization and become several
Word amount；
By DSP core control circuit (2) according to experiment control program, with fixed frequency, the digital quantity after quantifying is read
Take, and to detect the digital quantity after described quantization be positive zero passage or negative zero passage, then send corresponding instruction information, wherein, calculate
Machine equipment (1) is managed collectively experiment control program under Matlab/Simulink or Labview software environment, and described instruction is believed
Breath is used for representing zero crossing.
Operation method the most according to claim 4, it is characterised in that described power electronics and Electrified Transmission experiment suspension member district
Including: pulsed triggering circuit (6), single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase thyristor are complete
(partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10), blow-up orthogonal frequency changer circuit (11), three
Intersect orthogonal frequency changer circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14), other Power Electronic Experimentation electricity
Road (15), DC power generating circuit (16), single-phase/three-phase rectification circuit (17), single phase alternating current power supply (18) and three-phase alternating current
Power supply (19)；Signal protection drive circuit (4) changes electricity with FPGA expanded circuit (3), pulsed triggering circuit (6), signal respectively
Road (5), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13),
Electrified Transmission circuit (14) and other Power Electronic Experimentation circuit (15) connect, for for connected circuit provide virtual protection and
Signal drives；Pulsed triggering circuit (6) is triggered circuit by multiplex pulse and forms and produce pulse triggering signal, respectively with single-phase bridge
Formula half-controlled rectifier circuit (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9),
Three-phase ac voltage regulation circuit (10) and other Power Electronic Experimentation circuit (15) connect, and are produced for providing by connected circuit
Pulse triggering signal, described pulse triggering signal include G, K trigger signal；Signaling conversion circuit (5) respectively with single-phase bridge
Half-controlled rectifier circuit (7), single phase ac regulation circuit (8), three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9), three
Cross streams regulating circuit (10), blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12), direct current
Chopper circuit (13), Electrified Transmission circuit (14) and other Power Electronic Experimentation circuit (15) connect, for connected circuit
On voltage signal and current signal carry out being converted to the analogue signal of being easy to gather；Single-phase/three-phase rectification circuit (17) by
Components and parts composition including commutation diode, respectively blow-up orthogonal frequency changer circuit (11), three intersect straight
AC-AC frequency changer circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other Power Electronic Experimentation circuit (15) are even
Connecing, being used for single phase alternating current power supply or three-phase alternating-current supply rectification is DC source, and provides DC source for connected circuit；
Three-phase alternating-current supply (19) is by the leakage protection circuit of three-phase alternating current source circuit (19), three-phase isolation transformer, three-phase intelligent
Digital display voltage x current combination table forms, and adjusts with three-phase thyristor complete (partly) control bridge (zero) formula rectification circuit (9), three-phase alternating current respectively
Volt circuit (10) and other Power Electronic Experimentation circuit (15) connect, for providing the three-phase alternating current after isolation for connected circuit
Power supply, wherein said three-phase isolation transformer is for exporting the three-phase alternating voltage of plurality of specifications；Other Power Electronic Experimentation electricity
Road (15) includes photovoltaic inverter circuit；DC power generating circuit (16) includes AC-DC and DC-DC conversion circuit, and respectively with
Signaling conversion circuit (5), signal protection drive circuit (4), pulsed triggering circuit (6), blow-up orthogonal frequency changer circuit
(11), three-phase ac-dc-ac inverter circuit (12), DC chopper circuit (13), Electrified Transmission circuit (14) and other electric power electricity
Sub-experimental circuit (15) connects ,+24V ,+15V or the-15V needed for provide single-phase electricity and system to control for connected circuit
DC source；
Described method also includes:
Computer equipment (1) obtains the phase angle that user sets in experiment control interface, and DSP core control circuit (2)
Described experiment control program is downloaded from computer equipment (1)；
Detect the single-phase or zero crossing of three-phase；
With zero crossing as reference point, the phase place at AC signal reaches the moment at set phase angle and sends control instruction, and
Pulsed triggering circuit (6) is arrived through FPGA expansion board (3) and signal protection drive circuit (4), then by pulsed triggering circuit (6)
Send multichannel and touch that to signal to single phase full bridge semi controlled rectifier (7), single phase ac regulation circuit (8), three-phase thyristor complete
(partly) control bridge (zero) formula rectification circuit (9), three-phase ac voltage regulation circuit (10) and/or other Power Electronic Experimentation circuit (15).
Operation method the most according to claim 5, it is characterised in that also include:
Computer equipment (1) obtains the frequency after the frequency conversion that user sets in described experiment control interface and amplitude, and DSP
Core control circuit (2) downloads described experiment control program from computer equipment (1)；
DSP core control circuit (2) sends pwm signal, arrives through FPGA expanded circuit (3) and signal protection drive circuit (4)
Reach blow-up orthogonal frequency changer circuit (11) and three-phase ac-dc-ac inverter circuit (12), and produce the AC frequency conversion of correspondence
Signal；
The AC frequency conversion signal that blow-up orthogonal frequency changer circuit (11), three-phase ac-dc-ac inverter circuit (12) are exported
DSP core control circuit is collected by signaling conversion circuit (5), signal protection drive circuit (4) and FPGA expanded circuit (3)
(2), DSP core control circuit (2) by USB interface, data are passed to computer equipment (1), and by computer equipment (1)
Output waveform after display frequency conversion.
Operation method the most according to claim 5, it is characterised in that also include:
Computer equipment (1) obtains the target voltage values after the DC chopped-wave that user sets in described experiment control interface
Vref, and DSP core control circuit (2) downloads described experiment control program from computer equipment (1)；
The voltage exported by DC chopper circuit (13) is via signaling conversion circuit (5), signal protection drive circuit (4) and FPGA
Expanded circuit (2) is converted to digital quantity Vfb；
DSP core control circuit (2) reads Vfb with the fixing sampling period, and obtains calculating error e=Vref-Vfb, then to e
Carry out PID arithmetic output duty cycle U；
Send the pwm signal that dutycycle is U, arrive direct current cut through FPGA expanded circuit (3), signal protection drive circuit (4)
Wave circuit (13), and exported corresponding DC voltage by DC chopper circuit (13)；
Repeat said process, until the DC voltage value that DC chopper circuit (13) exports reaches Vref.
Operation method the most according to claim 5, it is characterised in that also include:
Computer equipment (1) obtains rotor-position set-point θ _ ref that user sets in described experiment control interface, and
DSP core control circuit (2) downloads described experiment control program from computer equipment (1)；
The biphase current signal i that Electrified Transmission circuit (14) is exporteda、ib, motor rotor speed orthogonal signalling Speed and motor
Rotor-position orthogonal signalling θ, are converted to digital quantity via signal protection drive circuit (4) and FPGA expanded circuit (3)；
DSP core control circuit (2) reads biphase current signal i with the fixing sampling perioda、ib, the orthogonal letter of motor rotor speed
Number Speed and motor rotor position orthogonal signalling θ；
Calculate motor rotor position error theta _ err=θ _ ref-θ, then θ _ err is carried out PID arithmetic obtain speed preset signal
Speed_ref；And calculate velocity error Speed_err=Speed_ref-Speed, then Speed_err is carried out PID arithmetic obtain
To electric current controlled quentity controlled variable I_ref；
According to ia、ib, I_ref, θ carry out Park conversion, Clark conversion and double-current ring PI computing, obtain Uα、Uβ；
According to Uα、UβCarry out SVPWM conversion, export pwm control signal, and drive via FPGA expanded circuit (3), signal protection
Circuit (4) arrives Electrified Transmission circuit (14), and Electrified Transmission circuit (14) controls permanent magnet synchronous electric according to described pwm control signal
Machine operates；
Repeat said process, until motor rotor position reaches set-point θ _ ref.
9. according to the operation method described in any one in claim 4-8, it is characterised in that computer equipment (1) runs
Matlab/Simulink or Labview software, described experiment control program is directly in Matlab/Simulink or Labview
With Form generation such as the circuit in S-Fuction function, M file, Simulink circuit library and stored；
By experiment control interface, each experimental circuit is visualized, graphic programming, obtain described experiment control interface；
By reading the button operation on described experiment control interface, the compiling of control program is generated code, and code is downloaded
Real time execution in DSP core control circuit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475152.6A CN106205305A (en) | 2016-06-24 | 2016-06-24 | A kind of power electronics and motor drag experiment porch and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475152.6A CN106205305A (en) | 2016-06-24 | 2016-06-24 | A kind of power electronics and motor drag experiment porch and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106205305A true CN106205305A (en) | 2016-12-07 |
Family
ID=57461174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610475152.6A Pending CN106205305A (en) | 2016-06-24 | 2016-06-24 | A kind of power electronics and motor drag experiment porch and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106205305A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192023A (en) * | 2018-11-21 | 2019-01-11 | 衢州学院 | A kind of teaching simulation analogue system of power electronic devices |
| CN109861591A (en) * | 2019-02-25 | 2019-06-07 | 东北大学 | The low-loss high-power pure square wave control device for brushless direct current machine of one kind and method |
| CN110070785A (en) * | 2018-01-20 | 2019-07-30 | 东华理工大学 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
| CN111179709A (en) * | 2020-03-13 | 2020-05-19 | 安徽工业大学 | Digital multifunctional power electronic technology teaching experiment platform |
| CN111243406A (en) * | 2020-03-13 | 2020-06-05 | 安徽工业大学 | Digital multifunctional power electronic technology experiment method |
| CN111599256A (en) * | 2020-05-29 | 2020-08-28 | 徐州工业职业技术学院 | Experimental method and device for digital power electronic and electrical control |
| CN113053215A (en) * | 2021-03-17 | 2021-06-29 | 浙江大学 | Permanent magnet wind power generation system exploration experiment platform suitable for teaching |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012036490A2 (en) * | 2010-09-16 | 2012-03-22 | 케이티메드 주식회사 | Experimental kit for processing digital signal of biological signal |
| CN104616575A (en) * | 2015-02-16 | 2015-05-13 | 南京工程学院 | Digital power electronic experiment device |
| CN105551351A (en) * | 2016-01-27 | 2016-05-04 | 黄家才 | Digitlization power electronics and electric driving real-time control experiment device and experiment method thereof |
| CN206210211U (en) * | 2016-06-24 | 2017-05-31 | 南京工程学院 | A kind of power electronics and motor drag experiment porch |
-
2016
- 2016-06-24 CN CN201610475152.6A patent/CN106205305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012036490A2 (en) * | 2010-09-16 | 2012-03-22 | 케이티메드 주식회사 | Experimental kit for processing digital signal of biological signal |
| CN104616575A (en) * | 2015-02-16 | 2015-05-13 | 南京工程学院 | Digital power electronic experiment device |
| CN105551351A (en) * | 2016-01-27 | 2016-05-04 | 黄家才 | Digitlization power electronics and electric driving real-time control experiment device and experiment method thereof |
| CN206210211U (en) * | 2016-06-24 | 2017-05-31 | 南京工程学院 | A kind of power electronics and motor drag experiment porch |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070785A (en) * | 2018-01-20 | 2019-07-30 | 东华理工大学 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
| CN109192023A (en) * | 2018-11-21 | 2019-01-11 | 衢州学院 | A kind of teaching simulation analogue system of power electronic devices |
| CN109861591A (en) * | 2019-02-25 | 2019-06-07 | 东北大学 | The low-loss high-power pure square wave control device for brushless direct current machine of one kind and method |
| CN109861591B (en) * | 2019-02-25 | 2020-12-25 | 东北大学 | Low-loss high-power pure square wave brushless direct current motor control device and method |
| CN111179709A (en) * | 2020-03-13 | 2020-05-19 | 安徽工业大学 | Digital multifunctional power electronic technology teaching experiment platform |
| CN111243406A (en) * | 2020-03-13 | 2020-06-05 | 安徽工业大学 | Digital multifunctional power electronic technology experiment method |
| CN111243406B (en) * | 2020-03-13 | 2022-03-08 | 安徽工业大学 | Digital multifunctional power electronic technology experiment method |
| CN111179709B (en) * | 2020-03-13 | 2022-03-08 | 安徽工业大学 | Digital multifunctional power electronic technology teaching experiment platform |
| CN111599256A (en) * | 2020-05-29 | 2020-08-28 | 徐州工业职业技术学院 | Experimental method and device for digital power electronic and electrical control |
| CN113053215A (en) * | 2021-03-17 | 2021-06-29 | 浙江大学 | Permanent magnet wind power generation system exploration experiment platform suitable for teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106205305A (en) | A kind of power electronics and motor drag experiment porch and operation method | |
| CN103248294B (en) | Position-sensor-free DC brushless motor double closed loop speed regulation system control method | |
| CN103345245B (en) | Multifunctional motor control strategy test experimental device and application thereof | |
| Poon et al. | Hardware-in-the-loop testing for electric vehicle drive applications | |
| CN105550115B (en) | Wind electric converter controller test approach based on dSPACE | |
| CN206210211U (en) | A kind of power electronics and motor drag experiment porch | |
| CN104034981A (en) | Self-circulation aging test system and test method for frequency converter | |
| CN103744017B (en) | Extra-high voltage direct current converter valve runs synthetic test equipment | |
| CN110297182A (en) | It is a kind of to simulate the power electronics load system for opening winding permanent magnet synchronous motor | |
| CN204013310U (en) | Brushless dual-feed motor direct Torque Control | |
| CN106774030B (en) | A kind of general purpose controller of the power electronic system based on DSP+FPGA | |
| CN102684518B (en) | High-frequency redundancy PWM (pulse-width modulation) rectifier device and method based on instantaneous current feedforward control | |
| CN105634025A (en) | Grid-connected inversion device in direct current microgrid | |
| CN105551351B (en) | Digital Electric electronics and Electrified Transmission control experimental provision and experimental method in real time | |
| CN105305483A (en) | Inverter grid connected type power source impedance measurement model optimization method under the condition of external disturbance signals | |
| CN109062077B (en) | Pumped storage variable speed unit power generation and electric test system and control method thereof | |
| Martins et al. | Test platform for rapid prototyping of digital control for power electronic converters | |
| CN106652694B (en) | A kind of sine-wave permanent magnet synchronous motor simulation system | |
| CN105958878B (en) | A kind of digitlization thyristor dc motor speed control device and method | |
| CN206341162U (en) | The Double-motor System of five leg inverters based on modelling | |
| CN110111657A (en) | A kind of digital power electronic experiment bed based on XPC technology | |
| Maiti et al. | Development of microcontroller based single phase SPWM inverter with remote control facility | |
| CN205751330U (en) | Digital Electric electronics and Electrified Transmission real-time Control release device | |
| CN104852557B (en) | Numerical model analysis phase shift multiple-frequency modulation method applied to power inverter | |
| CN106972527B (en) | Linear motor rotor motion direction detecting method and direct-drive wave power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |