CN107947660B - It improves oneself and encourages bidirectional high-pressure gain interleaved switching resistance motor power converter system - Google Patents
It improves oneself and encourages bidirectional high-pressure gain interleaved switching resistance motor power converter system Download PDFInfo
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 226
- 230000005284 excitation Effects 0.000 claims abstract description 53
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000010248 power generation Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 6
- 230000009466 transformation Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000010349 pulsation Effects 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
- H02P25/092—Converters specially adapted for controlling reluctance motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
- H02P25/098—Arrangements for reducing torque ripple
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
Abstract
It improves oneself and encourages bidirectional high-pressure gain interleaved switching resistance motor power converter system, be made of main circuit, excitation power supply, two-way DC-AC-DC, main circuit, excitation power supply, two-way DC-AC-DC are connected with each other；Main circuit reduces switching tube dosage, and every phase winding is divided into the parallel connection of Liang Ge branch, obtains enhanced excitation and generating capacity is promoted or the technical effect of torque fast reaction；Two-way DC-AC-DC ensure that switched reluctance machines positive can generate electricity and reversed electric dual-functional, it is provided simultaneously with isolation, high frequency transformation and high voltage gain function, Interleaved control mode when reversed electric operation, which can reduce torque pulsation, reduces noise, volume is reduced, adaptability and reliability are improved；The system is particularly suitable for/electric system the field of electric operation that needs to generate electricity at times, power generation/power driven system etc. including varying speed switch magnetic resistance wind generator system, pump storage plant generator-power driven system, automobile and aviation field.
Description
Technical field
The present invention relates to electric system fields, and in particular to a kind of switched reluctance machines power change of power generation and electronic double-purpose
Transformer system and its control method.
Background technique
Switched reluctance machines structure simple rigid, manufacturing cost is cheap, high-performance in wide speed range, on rotor without around
Group, without permanent magnet, high reliablity has broad application prospects.
Switched reluctance machines generally have 2-5 phase winding to be placed on stator, are determined according to the relative position of salient pole between rotor
The fixed phase winding being specifically powered；It is slightly complicated when being run as generator, every phase winding work when to be generally divided into excitation and
It generated electricity for two big stages, the excitation stage is the electric energy storage magnetic energy that motor phase windings absorb external field power supply, subsequent according to rotor
Relative stator position terminates the excitation stage and enters power generating stage, and the magnetic energy stored in phase winding is converted into power output.
The power inverter of switched reluctance machines directly controls each phase winding on-off, is to carry out different phase winding power supply unsteady flows
And the device of output electric energy, power inverter main circuit is directly to be connected with phase winding again；The power that industry is widely used
Inverter main circuit is asymmetrical half-bridge structure, and each phase winding branch of the structure is independent mutually, each there is a circuit, split
The dosage for closing pipe is big.
In switch reluctance generator excitation con-trol, the reinforcing in excitation stage is popular research topic in recent years, most allusion quotation
Type is such as added to power inverter main circuit excitation port after field power supply using the Z source network converter that Peng Fang full professor proposes
Before, industry also has other schedule of reinforcements, and it is such to strengthen increase excitation voltage by individually increasing external circuit mostly, to make
The exciting current in excitation stage rises that fast, the time is shorter, and then power generating stage start before have a bigger phase electricity
Stream and relatively broader power generating stage section, so that power generating stage output electric energy subtracts the difference of the electric energy of excitation discrete consuming
Bigger, i.e., output power is bigger, but additional enhanced excitation circuit is bound to so that structure is complicated, also increases the complexity of control,
Reduce reliability.
About the solution that switch reluctance generator moves, industry often increases by one before power inverter main circuit and stores
The structure of battery series diode branch solves, if the operating condition for needing Fraquent start is met with, to the maintenance workers of battery
Work amount will increase, and need the electricity for detecting battery frequently and replace battery or manually give to charge, increase operation dimension
Protect cost.
At present in some fields, including that in the field of application switch reluctance motor, can require to adapt to electricity as needed
Dynamic/power generation Double-working-condition operation, i.e., can be used as generator operation according to instruction, also can according to need and go to motor working condition fortune
Row certainly will be very big if switched over using different power inverters and as needed when motor and generator are run
The complexity for increasing structure, so same set of power inverter can flow with bidirectional electric energy and guarantee electronic/generator operation,
To be very promising.
It for example as a power generation feedway in micro-capacitance sensor network, or is high pressure as switch reluctance generator
Load device power supply, since the generating voltage that switch reluctance generator is directly exported through conventional power converters system is often too low
It is not able to satisfy the voltage requirement of outlet side, so certainly will simplify in power converter system if taking into account consideration boost function
Structure.
A tractor serves several purposes, multipotency, is no doubt the expectation of industry all the way, in switched reluctance machines as reversed motor working condition
When operation, if you do not need to specialized circuitry cooperates, and former power converter circuit and its flexible tune of control realization are continued reliance on
Speed control, then certainly will be very promising.
The torque pulsation problem of switched reluctance machines is always the pain spot of industry, is especially to the inhibition control of pulsation of current
One important directions.
Summary of the invention
According to above background technique, present invention proposes a kind of simple type main circuit and from enhanced excitation, excitation stores
Battery automatic charging, two-way high frequency isolation type DC/AC/DC and forward direction are pulsed from voltage high-gain, reversed electronic interleaved operation drop
Deng power converter of switch reluctance motor system and its control method.
The technical solution of the present invention is as follows:
It improves oneself and encourages bidirectional high-pressure gain interleaved switching resistance motor power converter system, by main circuit, excitation power supply, double
It is formed to DC-AC-DC, technical characteristic is that the main circuit, the excitation power supply, the two-way DC-AC-DC are connected with each other；
Main circuit is made of first main circuit and second main circuit, and technical characteristic is first main circuit
It is connected in parallel with second main circuit；
First main circuit by first diode, the second diode, third diode, the 4th diode, the 5th diode,
6th diode, the 7th diode, first switch tube, second switch, third switching tube, first winding of the first phase winding,
Second first winding of phase winding second, first winding of the second phase winding, the second phase winding winding composition, technical characteristic
It is that the first diode cathode, the first switch tube anode, the third diode cathode are shorted and as first master
Circuit, that is, main circuit positive terminal, the second switch tube cathode, second diode anode, third switch tube cathode are short
It connects and as first main circuit i.e. main circuit negative pole end, first diode anode and second switch tube anode and described first
First winding one end of phase winding is connected with first phase winding, second winding one end, and the first winding of phase winding first is another
One end connects the 4th diode cathode, and the first winding other end of phase winding second connects the 5th diode cathode,
4th diode anode and the 5th diode anode connection and with first switch tube cathode, the second diode cathode, the described 6th
Diode anode, the 7th diode anode connection, the 6th diode cathode connect described second phase winding, first winding
One end, the 7th diode cathode connect described second phase winding, second winding one end, and the second winding of phase winding first is another
End, second winding other end of the second phase winding, third switch tube anode, the connection of third diode anode；
Second main circuit is by the 8th diode, the 9th diode, the tenth diode, the 11st diode, the 12nd
Pole pipe, the 13rd diode, the 14th diode, the 4th switching tube, the 5th switching tube, the 6th switching tube, third phase winding
Second one winding, second winding of third phase winding, first winding of the 4th phase winding, the 4th phase winding winding composition,
Its technical characteristic is that the 8th diode cathode, the 4th switch tube anode, the tenth diode cathode are shorted and make
For second main circuit, that is, main circuit positive terminal, the 5th switch tube cathode, the 9th diode anode, the described 6th are opened
Tube cathode is closed to be shorted and as second main circuit, that is, main circuit negative pole end, the 8th diode anode with the 5th switch tube anode with
And described first winding one end of third phase winding is connected with second winding one end of the third phase winding, third phase winding
One winding other end connects the 11st diode cathode, the second winding other end connection the described tenth of third phase winding
Two diode cathodes, the 11st diode anode and the connection of the 12nd diode anode simultaneously switch tube cathode, the 9th 2 with the 4th
Pole pipe cathode, the 13rd diode anode, the 14th diode anode connection, the 13rd diode cathode connect institute
First winding one end of the 4th phase winding is stated, the 14th diode cathode connects described 4th phase winding, second winding one end,
The 4th winding other end of phase winding first, second winding other end of the 4th phase winding, the 6th switch tube anode, the 12nd pole
Tube anode connection；
Excitation power supply is made of battery, the 15th diode, the 7th switching tube, and technical characteristic is the battery
It is positive to be connect with the 15th diode anode, the 7th switch tube cathode, the 15th diode cathode and the 7th switch
Tube anode connects and as field power supply positive terminal, that is, main circuit positive terminal, and battery terminal negative is led as field power supply negative pole end
Circuit negative pole end；
Two-way DC-AC-DC by first capacitor device, the second capacitor, third capacitor, the 4th capacitor, the 8th switching tube,
9th switching tube, the tenth switching tube, the 11st switching tube, the 12nd switching tube, the 13rd switching tube, the 14th switching tube,
15 switching tubes, sixteenmo close pipe, the 17th switching tube, eighteenmo pass pipe, the 19th switching tube, the 20th switching tube,
21st switching tube, the 22nd switching tube, the 23rd switching tube, the 24th switching tube, the 25th switching tube,
Two sixteenmos close pipe, the 27th switching tube, the second eighteenmo close pipe, the 29th switching tube, the 30th switching tube, the 30th
One switching tube, the 32nd switching tube, the 33rd switching tube, the 34th switching tube, the 35th switching tube, the 16th
Pole pipe, the 17th diode, the 18th diode, the 19th diode, the 20th diode, the 21st diode, second
12 diodes, the 23rd diode, the 24th diode, the 25th diode, the 26th diode, the 20th
Seven diodes, the first transformer, the second transformer, third transformer, the first relay, the second relay composition, technology are special
Sign is that the first capacitor device anode connection the described 8th switchs tube anode, the 9th switch tube cathode, the tenth switch
Tube anode, the 11st switch tube cathode, the sixteenmo close tube anode, the 17th switch tube cathode, described the
Eighteenmo closes tube anode, the 19th switch tube cathode, the 24th the switch tube anode, the 25th switching tube
Cathode, second sixteenmo close tube anode, the 27th switch tube cathode and connect main circuit positive terminal, first capacitor
Device cathode connection the 12nd switch tube cathode, the 13rd switch tube anode, the 14th switch tube cathode, described
15th switch tube anode, the 20th switch tube cathode, the 21st switch tube anode, the 22nd switch
Tube cathode, it is described 23rd switch tube anode, second eighteenmo close tube cathode, it is described 29th switch tube anode,
The 30th switch tube cathode, the 31st switch tube anode simultaneously connect main circuit negative pole end, the 8th switch tube cathode,
9th switch tube anode, the 12nd switch tube anode, the 13rd switch tube cathode connection and with the first transformer primary side
The connection of winding one end, the tenth switch tube cathode, the 11st switch tube anode, the 14th switch tube anode, the 15th switching tube yin
Pole, which connects, simultaneously connect with the first transformer primary winding other end, and sixteenmo closes tube cathode, the 17th switchs tube anode, the
20 switch tube anodes, the 21st switch tube cathode are connected and are connect with second transformer primary winding one end, the
Eighteenmo close tube cathode, the 19th switch tube anode, the 22nd switch tube anode, the 23rd switch tube cathode connection and with
The connection of the second transformer primary winding other end, the 24th switch tube cathode, the 25th switch tube anode, the 28th
Switch tube anode, the 29th switch tube cathode are connected and are connect with third transformer primary winding one end, the 20th
Six switch tube cathodes, the 27th switch tube anode, the 30th switch tube anode, the 31st switch tube cathode connection and with the
The connection of the three transformer primary winding other ends, first Circuit Fault on Secondary Transformer winding one end and the 17th diode anode,
19th diode cathode, the 32nd switch tube cathode, the 33rd switch tube anode connection, first becomes
The depressor secondary side winding other end and the 16th diode anode, the 18th diode cathode, first relay
The connection of device Second terminal, the 16th diode cathode, the 17th diode cathode, the 32nd switch tube anode, described second
Capacitor anode connection and output cathode end and input DC power positive terminal when motoring condition when as generating state, the tenth
Eight diode anodes, the 19th diode anode, the connection of the first relay first terminal, the first relay main terminal and the second electricity
It is container cathode, the third capacitor anode, the 34th switch tube anode, the 20th diode cathode, described
The connection of 21st diode cathode, second Circuit Fault on Secondary Transformer winding one end and the 21st diode anode, described second
13 diode cathodes, the 34th switch tube cathode, the 35th switch tube anode connection, the second Circuit Fault on Secondary Transformer
The winding other end and the 22nd diode cathode, the 20th diode anode, the second relay Second terminal connect
It connects, the 22nd diode anode, the 23rd diode anode, the connection of the second relay first terminal, the second relay master
Terminal and the 33rd switch tube cathode, third capacitor anode, the 4th capacitor anode, the 24th diode
Cathode, the 25th diode cathode connection, third Circuit Fault on Secondary Transformer winding one end and the 25th diode anode,
The 27th diode cathode connection, the third Circuit Fault on Secondary Transformer winding other end and the 24th diode anode, institute
State the connection of the 26th diode cathode, the 26th diode anode, the 27th diode anode, the 35th switching tube
Cathode, the connection of the 4th capacitor anode and output negative pole end and input DC power is negative when motoring condition when as generating state
Extremely.
It improves oneself and encourages the control method of bidirectional high-pressure gain interleaved switching resistance motor power converter system, technical characteristic
It is to control operation respectively as generator and electric motor state according to switched reluctance machines；
Switched reluctance machines as generator when running, firstly, relying on excitation power supply when starting, the 7th switching tube is disconnected
State, according to rotor position information, after judging the specific phase winding that be powered, battery is via the 15th diode to master
Phase winding in circuit is for electrical excitation, and two switching tubes for constituting energized circuit with the phase winding at this time, which are closed, to be connected, to basis
When rotor position information needs to terminate the excitation stage, two switching tubes being originally closed are disconnected, into afterflow power generating stage, until
The power generating stage of the phase winding terminates when the phase winding electric current of afterflow power generation is down to zero；
When the afterflow electric energy assembled on first capacitor device of output electric energy that generates electricity is enough, i.e. first capacitor device both end voltage
After battery voltage, due to the effect of the 15th diode, battery stops for electrical excitation, subsequent each phase winding excitation rank
Section provides excitation, that is, self-excitation mode by first capacitor device；
In two-way DC-AC-DC, the 8th switching tube, the tenth switching tube, the 12nd switching tube, the 14th switching tube are formed
Bridge-type controls inverter circuit entirely, closes pipe with sixteenmo, eighteenmo closes pipe, the 20th switching tube, the 22nd switching tube form
Bridge-type control inverter circuit and the 24th switching tube entirely, the second sixteenmo closes pipe, the second eighteenmo closes pipe, the 30th opens
The bridge-type for closing pipe composition controls inverter circuit entirely, and three is connected in parallel, respectively through the first transformer, the second transformer, the after inversion
Three transformer isolations and high frequency transformation output after, respectively via the 16th diode, the 17th diode, the 18th diode,
The bridge rectifier of 19th diode composition, the 20th diode, the 21st diode, the 22nd diode, the
23 diodes composition bridge rectifier, the 24th diode, the 25th diode, the 26th diode,
The bridge rectifier of 27th diode composition is connected in series after three's output, and total output voltage is the sum of three；At this time
The respective main terminal of first relay and the second relay and its first terminal are closed, and Second terminal is hanging, the 32nd switch
Pipe, the 33rd switching tube, the 34th switching tube, the 35th switching tube are in off-state；
Switched reluctance machines when as motor running, two-way DC-AC-DC as power supply back transfer electric energy,
The respective main terminal of first relay and the second relay is connect with its Second terminal, and first terminal is hanging；8th switching tube,
Ten switching tubes, the 12nd switching tube, the 14th switching tube, sixteenmo close pipe, eighteenmo closes pipe, the 20th switching tube, the
22 switching tubes and the 24th are to being off-state to the 31st switching tube.
32nd switching tube and the 33rd switching tube are as first group, the 34th switching tube and the 35th switch
Pipe is as second group, and all the duty cycle of switching of four switching tubes is the 0.5, the 32nd switching tube and the 33rd in each group
The 33rd switching tube disconnects when the closure conducting of switching tube complementary switch, i.e. the 32nd switching tube, and the 32nd switching tube is disconnected
The conducting of 33rd switching tube closure, the 34th switching tube and the 35th switching tube complementary switch when opening, i.e., the 34th
The 35th switching tube disconnects when switching tube closure conducting, and the 35th switching tube closure is led when the 34th switching tube disconnects
It is logical, meanwhile, 90 degree of carrier phase shift when first group and second group of switching tube works, i.e., staggeredly 90 degree regulations, that is, respectively
The a quarter phase difference of a cycle；
Through the first transformer reverse power supply, the 9th switching tube, the 11st switching tube, the 13rd switching tube, the 15th switch
Pipe forms all controlled rectifier circuit, and through the second transformer reverse power supply, the 17th switching tube, the 19th switching tube, the 21st are opened
Guan Guan, the 23rd switching tube form all controlled rectifier circuit, and two rectification circuit output-parallels turn according to switched reluctance motor
Sub- location information, powers into main circuit, and the PWM duty cycle of switching by adjusting two rectification circuit controlled tr tubes adjusts defeated
DC voltage out, and then can reach the purpose of speed regulation；
When no matter being controlled as generator or motor running, when the electric energy for detecting battery storage is lower than setting
When low alarm setting, it is closed the 7th switching tube, generator runs the main circuit power generation electric energy and two-way of Shi Youyu excitation power sources in parallel
The side DC-AC-DC electric energy charges jointly to battery, and when motor running fills from first capacitor device side, that is, reverse power supply electric energy to it
Electricity；The quota of voltage and current needed for being charged according to battery, the 7th switching tube takes PWM operating mode to meet, while electric power storage
Control switch closure in pond side accesses shunt capacitance and series inductance to filter.
Technical effect of the invention mainly has:
(1) main circuit of the relatively traditional asymmetrical half-bridge structure of main circuit of the invention saves the dosage of switching tube, letter
Structure is changed, has reduced costs；It is not adjacent phase in view of two phase windings in the same branch main circuit, so will not generate same
When work and generate the possibility of unsteady flow confusion.
(2) every phase winding is divided into the mode that two branch winding parallels connect in main circuit of the present invention, relative to conventional serial
Connection mode is equivalent to phase winding excitation voltage and increases 2 times, to establish excitation faster in Generator Status operation
Electric current and shorter excitation stage section, enhanced excitation can be realized without the additional enhanced excitation circuit that increases of industry tradition in this
Function, structure are simplified；In electric motor state operation, again such that phase current is faster established, starting torque is bigger.
(3) two parallel branches of every phase winding are in series with diode in main circuit, can prevent between two branch windings
Circulation generation.
(4) in excitation power supply the 7th switching tube design, by detection accumulator electric-quantity so as to be closed the 7th switching tube reality
Existing automatic charging has greatly liberated artificial participation maintenance workload especially in frequent start-stop generator operation operating condition.
(5) two-way DC-AC-DC is in positive generator operation, due to using the knot of three parallel connection inputs, three series winding outputs
Structure can obtain great voltage gain, especially in grid-connected application in conjunction with the cooperation of three transformer two sides umber of turn ratios
In (for example DC micro power grid system), voltage on line side is often much higher than the direct output end voltage of generator windings.
(6) in two-way DC-AC-DC forward direction generator operation, high frequency inversion output is can be used in the work of controllable type inverter circuit,
Volume of transformer weight greatly reduces, and electric parameter fluctuation is smaller after rectification, and due to having isolation features, is adapted to larger
In the system of power grade.
It (7), can be (another by adjusting the 32nd switching tube and the 33rd switching tube when as reversed motor running
One group is the 34th switching tube and the 35th switching tube) switch conversion frequency realize the raising of reversed reverse frequency, warp
In controlled rectification circuit work after transformer, the switching tube duty ratio in adjustable rectification circuit reaches change output direct current
The purpose of pressure, to realize flexible speed governing operation.
(8) when as reversed motor running, the second capacitor-side and third capacitor-side are respectively equivalent to two directly
Reversal of power input is flowed, requires the 32nd switching tube and the 33rd switching tube, the 34th switching tube and the 30th at this time
Two groups of half-bridge inversion circuits of five switching tubes composition must work under poor 90 degree of staggered phase, thus respectively via different transformations
After device and rectification circuit, their parallel connection is that the voltage waveform after synthesizing is shifting, reduces output i.e. power supply electricity accordingly
The pulsation rate of pressure and electric current, and then play the effect for reducing torque pulsation.
(9) inherently has high performance characteristic in wide velocity interval in view of switched reluctance machines, in conjunction with variable-speed operation control
Method processed, power converter system of the invention are also admirably suitable for answering in middle-size and small-size varying speed switch magnetic resistance wind generator system
With；It can also be used as in hydroenergy storage station, when power grid electric energy affluence pumps up water as pump motor, and when short of electricity, which sluices, is used as water
Power generator work；There are also power generation/power driven system of for example automobile, aviation field, in the non-transformer area engineering construction of field
Power generation/power driven system etc..
Detailed description of the invention
Fig. 1 show of the invention improving oneself and encourages bidirectional high-pressure gain interleaved switching resistance motor power converter system structure
Figure.
Specific embodiment
The switch reluctance generator of the present embodiment is four phase windings, is respectively M/N/P/Q by the sequence being distributed on stator
Four phase windings, every phase winding are divided into two branch winding techniques in symmetrical different stator salient poles, and via diode string
It is connected in parallel again after connection, power converter system structure is as shown in Fig. 1.
Improve oneself and encourage bidirectional high-pressure gain interleaved switching resistance motor power converter system, by main circuit 1, excitation power supply 2,
Two-way DC-AC-DC3 composition, main circuit 1, excitation power supply 2, two-way DC-AC-DC3 are connected with each other；
Main circuit 1 is made of first main circuit 101 and second main circuit 102, first main circuit 101 and second
Main circuit 102 is connected in parallel；
First main circuit 101 by first diode D1, the second diode D2, third diode D3, the 4th diode D4,
5th diode D5, the 6th diode D6, the 7th diode D7, first switch tube V1, second switch V2, third switching tube
V3, first winding M1 of the first phase winding, second winding M2 of the first phase winding, the second phase winding first winding P1, second
Second winding P2 composition of phase winding, first diode D1 cathode, first switch tube V1 anode, third diode D3 cathode are shorted
And as first main circuit 101 i.e. 1 positive terminal of main circuit, second switch V2 cathode, the second diode D2 anode, third are opened
Pipe V3 cathode is closed to be shorted and be 1 negative pole end of main circuit, first diode D1 anode and second switch as first main circuit 101
First one end winding M1 of pipe V2 anode and the first phase winding is connected with second one end winding M2 of the first phase winding, the first phase
First winding M1 other end of winding connects the 4th diode D4 cathode, the first winding M2 other end of phase winding second connection the
Five diode D5 cathodes, the 4th diode D4 anode and the connection of the 5th diode D5 anode and with first switch tube V1 cathode, the
Two diode D2 cathodes, the 6th diode D6 anode, the connection of the 7th diode D7 anode, the 6th diode D6 cathode connection second
First one end winding P1 of phase winding, the 7th diode D7 cathode connect second one end winding P2 of the second phase winding, the second phase
First winding P1 other end of winding, second winding P2 other end of the second phase winding, third switching tube V3 anode, the three or two pole
The connection of pipe D3 anode；
Second main circuit 102 is by the 8th diode D8, the 9th diode D9, the tenth diode D10, the 11st diode
D11, the 12nd diode D12, the 13rd diode D13, the 14th diode D14, the 4th switching tube V4, the 5th switching tube
V5, the 6th switching tube V6, first winding N1 of third phase winding, second winding N2 of third phase winding, the 4th phase winding first
Second branch winding Q1, the 4th phase winding winding Q2 composition, the 8th diode D8 cathode, the 4th switching tube V4 anode, the 12nd
Pole pipe D10 cathode is shorted and is 1 positive terminal of main circuit, the 5th switching tube V5 cathode, the 9th 2 pole as second main circuit 102
Pipe D9 anode, the 6th switching tube V6 cathode are shorted and are 1 negative pole end of main circuit, the 8th diode as second main circuit 102
Second winding of D8 anode and the 5th switching tube V5 anode and first one end winding N1 of third phase winding and third phase winding
The connection of the one end N2, first winding N1 other end of third phase winding connect the 11st diode D11 cathode, third phase winding second
The branch winding N2 other end connects the 12nd diode D12 cathode, the 11st diode D11 anode and the 12nd diode D12 sun
Pole connection and with the 4th switching tube V4 cathode, the 9th diode D9 cathode, the 13rd diode D13 anode, the 14th diode
The connection of D14 anode, the 13rd diode D13 cathode connect first one end winding Q1 of the 4th phase winding, the 14th diode D14
Cathode connects second one end winding Q2 of the 4th phase winding, the 4th winding Q1 of phase winding first other end, the 4th phase winding the
Two winding Q2 other ends, the 6th switching tube V6 anode, the connection of the tenth diode D10 anode；
Excitation power supply 2 is made of battery X, the 15th diode D15, the 7th switching tube V7, battery X anode and the tenth
Five diode D15 anodes, the connection of the 7th switching tube V7 cathode, the 15th diode D15 cathode and the 7th switching tube V7 anode connect
It connects and as 2 positive terminal of field power supply i.e. 1 positive terminal of main circuit, battery X cathode is as 2 negative pole ends of field power supply, that is, main circuit
1 negative pole end；
Two-way DC-AC-DC3 is by first capacitor device C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4,
Eight switching tube V8, the 9th switching tube V9, the tenth switching tube V10, the 11st switching tube V11, the 12nd switching tube V12, the 13rd
Switching tube V13, the 14th switching tube V14, the 15th switching tube V15, sixteenmo close pipe V16, the 17th switching tube V17, the
Eighteenmo closes pipe V18, the 19th switching tube V19, the 20th switching tube V20, the 21st switching tube V21, the 22nd switch
Pipe V22, the 23rd switching tube V23, the 24th switching tube V24, the 25th switching tube V25, the second sixteenmo close pipe
V26, the 27th switching tube V27, the second eighteenmo close pipe V28, the 29th switching tube V29, the 30th switching tube V30, the
31 switching tube V31, the 32nd switching tube V32, the 33rd switching tube V33, the 34th switching tube V34, the 30th
Five switching tube V35, the 16th diode D16, the 17th diode D17, the 18th diode D18, the 19th diode D19,
20th diode D20, the 21st diode D21, the 22nd diode D22, the 23rd diode D23, the 20th
Four diode D24, the 25th diode D25, the 26th diode D26, the 27th diode D27, the first transformer
T1, the second transformer T2, third transformer T3, the first relay J1, the second relay J2 composition, first capacitor device C1 anode connect
Connect the 8th switching tube V8 anode, the 9th switching tube V9 cathode, the tenth switching tube V10 anode, the 11st switching tube V11 cathode,
Sixteenmo closes pipe V16 anode, the 17th switching tube V17 cathode, eighteenmo and closes pipe V18 anode, the 19th switching tube V19 yin
Pole, the 24th switching tube V24 anode, the 25th switching tube V25 cathode, the second sixteenmo close pipe V26 anode, the 27th
Switching tube V27 cathode simultaneously connects 1 positive terminal of main circuit, and first capacitor device C1 cathode connects the 12nd switching tube V12 cathode, the tenth
Three switching tube V13 anodes, the 14th switching tube V14 cathode, the 15th switching tube V15 anode, the 20th switching tube V20 cathode,
21st switching tube V21 anode, the 22nd switching tube V22 cathode, the 23rd switching tube V23 anode, the second eighteenmo
Close pipe V28 cathode, the 29th switching tube V29 anode, the 30th switching tube V30 cathode, the 31st switching tube V31 anode simultaneously
Connect 1 negative pole end of main circuit, the 8th switching tube V8 cathode, the 9th switching tube V9 anode, the 12nd switching tube V12 anode, the tenth
Three switching tube V13 cathodes are connected and are connect with first transformer T1 first side winding one end, the tenth switching tube V10 cathode, the tenth
One switching tube V11 anode, the 14th switching tube V14 anode, the 15th switching tube V15 cathode connection and with the first transformer T1 mono-
Secondary side winding other end connection, sixteenmo close pipe V16 cathode, the 17th switching tube V17 anode, the 20th switching tube V20 sun
Pole, the 21st switching tube V21 cathode are connected and are connect with second transformer T2 first side winding one end, and eighteenmo closes pipe
V18 cathode, the 19th switching tube V19 anode, the 22nd switching tube V22 anode, the connection of the 23rd switching tube V23 cathode are simultaneously
It is connect with the second transformer T2 first side winding other end, the 24th switching tube V24 cathode, the 25th switching tube V25 sun
Pole, the second eighteenmo close pipe V28 anode, the 29th switching tube V29 cathode connection and with third transformer T3 first side winding
One end connection, the second sixteenmo close pipe V26 cathode, the 27th switching tube V27 anode, the 30th switching tube V30 anode, third
11 switching tube V31 cathodes are connected and are connect with the third transformer T3 first side winding other end, the first transformer T1 secondary side
Winding one end and the 17th diode D17 anode, the 19th diode D19 cathode, the 32nd switching tube V32 cathode, third
The connection of 13 switching tube V33 anodes, the first transformer T1 secondary side winding other end and the 16th diode D16 anode, the tenth
Eight diode D18 cathodes, the first relay J1 Second terminal b connection, the 16th diode D16 cathode, the 17th diode D17
Cathode, the 32nd switching tube V32 anode, the connection of the second capacitor C2 anode and when as generating state output cathode end and
Input DC power positive terminal when motoring condition, the 18th diode D18 anode, the 19th diode D19 anode, the first relay
Device J1 first terminal a connection, the first relay J1 main terminal and the second capacitor C2 cathode, third capacitor C3 anode, third
14 switching tube V34 anodes, the 20th diode D20 cathode, the connection of the 21st diode D21 cathode, the second transformer T2
Secondary side winding one end and the 21st diode D21 anode, the 23rd diode D23 cathode, the 34th switching tube V34
Cathode, the connection of the 35th switching tube V35 anode, the second transformer T2 secondary side winding other end and the 22nd diode
D22 cathode, the 20th diode D20 anode, the second relay J2 Second terminal b connection, the 22nd diode D22 anode,
23rd diode D23 anode, the second relay J2 first terminal a connection, the second relay J2 main terminal and the 33rd
Switching tube V33 cathode, third capacitor C3 cathode, the 4th capacitor C4 anode, the 24th diode D24 cathode, the 20th
The connection of five diode D25 cathodes, third transformer T3 secondary side winding one end and the 25th diode D25 anode, the 20th
The connection of seven diode D27 cathodes, the third transformer T3 secondary side winding other end and the 24th diode D24 anode, second
The connection of 16 diode D26 cathodes, the 26th diode D26 anode, the 27th diode D27 anode, the 35th are opened
It closes pipe V35 cathode, the connection of the 4th capacitor C4 cathode and output negative pole end and when motoring condition inputs when as generating state
DC power cathode end.
It is equivalent to, the Liang Ge branch winding parallel of each phase winding, and a diode of respectively connecting, to prevent circulation；Fixed
Non-conterminous M and P phase winding are at first main circuit 101, N and Q phase winding second main circuit 102 of composition on son.
It improves oneself and encourages the control method of bidirectional high-pressure gain interleaved switching resistance motor power converter system, according to switch magnetic
Motor, which is hindered, as generator and electric motor state controls operation respectively；
Switched reluctance machines as generator when running, firstly, relying on excitation power supply 2, the 7th switching tube V7 when starting
Off-state, according to rotor position information, it is assumed that this enters working condition to M phase winding, and battery X is via the 15th diode
M phase winding of the D15 into main circuit 1 constitutes the first switch tube V1 and second of energized circuit for electrical excitation with M phase winding at this time
Switching tube V2 closure conducting, along the circuit shunt excitation of V1-D4/M1 and D5/M2 parallel branch-V2, to according to rotor-position
When information needs to terminate the excitation stage, first switch tube V1 and second switch V2 is disconnected, into afterflow power generating stage, path is
D2-D4/M1 and D5/M2 parallel branch-D1 exports electric energy, until the phase winding when phase winding electric current of afterflow power generation is down to zero
Power generating stage terminates；Each phase winding all in accordance with rotor-position judge whether enter work, due to there are adjacent phase windings simultaneously
Work the possibility of (an especially phase excitation stage another phase power generating stage), in order to meet inside same branch main circuit two-phase around
The limitation (working at the same time will cause confusion, respective cisco unity malfunction) that group cannot work at the same time, so each branch main circuit
Two interior phase windings adjacent cannot must be separated by.
When the afterflow electric energy assembled on first capacitor device C1 of output electric energy that generates electricity is enough, i.e. both ends first capacitor device C1
After voltage is greater than battery X voltage, due to the effect of the 15th diode D15, battery X stops for electrical excitation, subsequent each phase
The winding excitation stage provides excitation, that is, self-excitation mode by first capacitor device C1.
In two-way DC-AC-DC3, the 8th switching tube V8, the tenth switching tube V10, the 12nd switching tube V12, the 14th switch
The bridge-type of pipe V14 composition controls inverter circuit entirely, closes pipe V16 with sixteenmo, eighteenmo closes pipe V18, the 20th switching tube
The bridge-type of V20, the 22nd switching tube V22 composition controls inverter circuit and the 24th switching tube V24, the second sixteenmo entirely
It closes the bridge-type that pipe V26, the second eighteenmo pass pipe V28, the 30th switching tube V30 are formed and controls inverter circuit entirely, three is connected in parallel,
After positive inversion respectively after the first transformer T1, the second transformer T2, third transformer T3 isolation and the output of high frequency transformation, point
The bridge not formed via the 16th diode D16, the 17th diode D17, the 18th diode D18, the 19th diode D19
Formula rectification circuit, the 20th diode D20, the 21st diode D21, the 22nd diode D22, the 23rd diode
D23 composition bridge rectifier, the 24th diode D24, the 25th diode D25, the 26th diode D26,
The bridge rectifier of 27th diode D27 composition is connected in series after three's output, and total output voltage is the sum of three,
Second capacitor C2, third capacitor C3, the 4th capacitor C4 use the electrolytic capacitor of same model specification, so that three goes here and there
Connection just improves the voltage gain of three times, it is contemplated that three transformers also use the change of same model specification and identical 1: 5
Than then total voltage gain is up to 15 times；In the above work, the respective main side of the first relay J1 and the second relay J2
Son is closed with its first terminal a, and Second terminal b is hanging, the 32nd switching tube V32, the 33rd switching tube V33, the 30th
Four switching tube V34, the 35th switching tube V35 are in off-state.
Switched reluctance machines when as motor running, two-way DC-AC-DC3 as power supply back transfer electric energy,
The respective main terminal of first relay J1 and the second relay J2 are connect with its Second terminal b, and first terminal a is hanging；8th opens
It closes pipe V8, the tenth switching tube V10, the 12nd switching tube V12, the 14th switching tube V14, sixteenmo and closes pipe V16, eighteenmo
Pipe V18, the 20th switching tube V20, the 22nd switching tube V22 and the 24th is closed to arrive to the 31st switching tube V24-
31 be off-state.
32nd switching tube V32 and the 33rd switching tube V33 are as first group, the 34th switching tube V34 and
35 switching tube V35 are as second group, and all the duty cycle of switching of four switching tubes is 0.5 in each group, thirty-twomo
Pipe V32 and the 33rd switching tube V33 complementary switch are closed, i.e. the 33rd switch when the 32nd switching tube V32 closure is connected
Pipe V33 is disconnected, the conducting of the 33rd switching tube V33 closure, the 34th switching tube V34 when the 32nd switching tube V32 is disconnected
With the 35th switching tube V35 complementary switch, i.e. the 35th switching tube V35 is disconnected when the 34th switching tube V34 closure is connected
It opens, the 35th switching tube V35 closure conducting when the 34th switching tube V34 is disconnected, meanwhile, first group and second group of switch
90 degree of carrier phase shift when pipe works, i.e., staggeredly 90 degree regulations, that is, a quarter phase difference of respective a cycle.
Through the first transformer T1 reverse power supply, the 9th switching tube V9, the 11st switching tube V11, the 13rd switching tube V13,
15th switching tube V15 forms all controlled rectifier circuit, through the second transformer T2 reverse power supply, the 17th switching tube V17, the 19th
Switching tube V19, the 21st switching tube V21, the 23rd switching tube V23 form all controlled rectifier circuit, and two rectification circuits are defeated
It is in parallel out, according to switched reluctance motor rotor position information, power into main circuit 1, it can by adjusting two rectification circuits
The PWM duty cycle of switching for controlling switching tube adjusts output DC voltage, and then can reach the purpose of speed regulation；At this point, based on to submit
The design of wrong 90 degree of work, DC voltage and current waveform pulsation rate when rectification output is powered to main circuit 1 will decline, because
All be pulsation for respective rectification output itself, staggeredly after occur that another party declines when voltage or one side of electric current rise
The parallel combination of (another party is minimum when side's maximum) so synthesis pulsation is greatly reduced, and then is conducive to the drop of torque pulsation
It is low.
When no matter being controlled as generator or motor running, when the electric energy for detecting battery X storage is lower than setting
Low alarm setting when, be closed the 7th switching tube V7, generator runs the main circuit 1 in parallel of Shi Youyu excitation power supply 2 and generates electricity electric energy
And the two-way side DC-AC-DC3 electric energy charges jointly to battery 3, by the side first capacitor device C1, that is, reverse power supply when motor running
Electric energy charges to it；According to battery X charge needed for voltage and current quota, the 7th switching tube V7 take PWM operating mode with
Meet, while battery X side control switch closure accesses shunt capacitance and series inductance to filter.
Claims (2)
- Bidirectional high-pressure gain interleaved switching resistance motor power converter system is encouraged 1. improving oneself, by main circuit, excitation power supply, two-way DC-AC-DC composition, technical characteristic are that the main circuit, the excitation power supply, the two-way DC-AC-DC are connected with each other；Main circuit is made of first main circuit and second main circuit, first main circuit and second main circuit It is connected in parallel；First main circuit is by first diode, the second diode, third diode, the 4th diode, the 5th diode, the 6th Diode, the 7th diode, first switch tube, second switch, third switching tube, the first phase winding first winding, first Second second winding of phase winding, first winding of the second phase winding, the second phase winding winding composition, the first diode Cathode, the first switch tube anode, the third diode cathode are shorted and as first main circuit, that is, main circuit anodes End, the second switch tube cathode, second diode anode, third switch tube cathode are shorted and as first master Circuit, that is, main circuit negative pole end, first diode anode and first winding of second switch tube anode and first phase winding One end is connected with first phase winding, second winding one end, the first winding other end of phase winding first connection the described 4th Diode cathode, the first winding other end of phase winding second connect the 5th diode cathode, the 4th diode anode and The connection of 5th diode anode and with first switch tube cathode, the second diode cathode, the 6th diode anode, described the The connection of seven diode anodes, the 6th diode cathode connect described second phase winding, first winding one end, the 7th diode yin Pole connects described second phase winding, second winding one end, the second winding other end of phase winding first, the second phase winding second The branch winding other end, third switch tube anode, the connection of third diode anode；Second main circuit by the 8th diode, the 9th diode, the tenth diode, the 11st diode, the 12nd diode, 13rd diode, the 14th diode, the 4th switching tube, the 5th switching tube, the 6th switching tube, third phase winding first around Group, second winding of third phase winding, first winding of the 4th phase winding, the 4th phase winding second winding composition, described the Eight diode cathodes, the 4th switch tube anode, the tenth diode cathode are shorted and lead as second main circuit Circuit anode end, the 5th switch tube cathode, the 9th diode anode, the 6th switch tube cathode is shorted and conduct Second main circuit, that is, main circuit negative pole end, the 8th diode anode and the 5th switch tube anode and the third phase winding the One winding one end is connected with second winding one end of the third phase winding, the first winding other end connection of third phase winding 11st diode cathode, second winding other end connection the 12nd diode cathode of third phase winding, the tenth One diode anode and the connection of the 12nd diode anode simultaneously switch tube cathode, the 9th diode cathode, the described tenth with the 4th Three diode anodes, the 14th diode anode connection, the 13rd diode cathode connect the 4th phase winding first Branch winding one end, the 14th diode cathode connect described 4th phase winding, second winding one end, the 4th phase winding first The winding other end, second winding other end of the 4th phase winding, the 6th switch tube anode, the connection of the tenth diode anode；Excitation power supply is made of battery, the 15th diode, the 7th switching tube, the battery positive voltage and the described 15th Pole pipe anode, the 7th switch tube cathode connection, the 15th diode cathode switch tube anode with the 7th and connect and as encouraging Magnetic power positive end, that is, main circuit positive terminal, battery terminal negative is as field power supply negative pole end, that is, main circuit negative pole end；Two-way DC-AC-DC is by first capacitor device, the second capacitor, third capacitor, the 4th capacitor, the 8th switching tube, the 9th Switching tube, the tenth switching tube, the 11st switching tube, the 12nd switching tube, the 13rd switching tube, the 14th switching tube, the 15th Switching tube, sixteenmo close pipe, the 17th switching tube, eighteenmo close pipe, the 19th switching tube, the 20th switching tube, second 11 switching tubes, the 22nd switching tube, the 23rd switching tube, the 24th switching tube, the 25th switching tube, the 20th Six switching tubes, the 27th switching tube, the second eighteenmo pass pipe, the 29th switching tube, the 30th switching tube, the 31st are opened Guan Guan, the 32nd switching tube, the 33rd switching tube, the 34th switching tube, the 35th switching tube, the 16th pole Pipe, the 17th diode, the 18th diode, the 19th diode, the 20th diode, the 21st diode, the 20th Two diodes, the 23rd diode, the 24th diode, the 25th diode, the 26th diode, the 27th Diode, the first transformer, the second transformer, third transformer, the first relay, the second relay composition, first electricity Capacitor positive electrode connection the 8th switch tube anode, the 9th switch tube cathode, the tenth the switch tube anode, the described tenth One switchs tube cathode, the sixteenmo closes tube anode, the 17th switch tube cathode, the eighteenmo close tube anode, The 19th switch tube cathode, the 24th switch tube anode, the 25th the switch tube cathode, the described 20th Six switch tube anodes, the 27th switch tube cathode simultaneously connect main circuit positive terminal, described in the connection of first capacitor device cathode 12nd switch tube cathode, the 13rd switch tube anode, the 14th switch tube cathode, the 15th switching tube sun Pole, the 20th switch tube cathode, the 21st switch tube anode, the 22nd switch tube cathode, described the 23 switch tube anodes, second eighteenmo close tube cathode, the 29th switch tube anode, the 30th switch Tube cathode, the 31st switch tube anode simultaneously connect main circuit negative pole end, the 8th switch tube cathode, the 9th switching tube sun Pole, the 12nd switch tube anode, the 13rd switch tube cathode are connected and are connect with first transformer primary winding one end, Tenth switch tube cathode, the 11st switch tube anode, the 14th switch tube anode, the 15th switch tube cathode connection and with first The connection of the transformer primary winding other end, sixteenmo close tube cathode, the 17th switch tube anode, the 20th switching tube sun Pole, the 21st switch tube cathode are connected and are connect with second transformer primary winding one end, and eighteenmo closes pipe yin Pole, the 19th switch tube anode, the 22nd switch tube anode, the 23rd switch tube cathode connection and with the second transformer one The connection of the secondary side winding other end, the 24th switch tube cathode, the 25th switch tube anode, the second eighteenmo close tube anode, 29th switch tube cathode is connected and is connect with third transformer primary winding one end, and the second sixteenmo closes pipe yin Pole, the 27th switch tube anode, the 30th switch tube anode, the 31st switch tube cathode connection and with third transformer one Secondary side winding other end connection, first Circuit Fault on Secondary Transformer winding one end and the 17th diode anode, the described 19th Diode cathode, the 32nd switch tube cathode, the 33rd switch tube anode connection, the first Circuit Fault on Secondary Transformer The winding other end and the 16th diode anode, the 18th diode cathode, the first relay Second terminal Connection, the 16th diode cathode, the 17th diode cathode, the 32nd switch tube anode, second capacitor anode It connects and output cathode end and input DC power positive terminal when motoring condition when as generating state, the 18th diode sun Pole, the 19th diode anode, the connection of the first relay first terminal, the first relay main terminal and the second capacitor anode, The third capacitor anode, the 34th the switch tube anode, the 20th diode cathode, the described 21st The connection of pole pipe cathode, second Circuit Fault on Secondary Transformer winding one end and the 21st diode anode, the 23rd diode Cathode, the 34th switch tube cathode, the 35th switch tube anode connection, the second Circuit Fault on Secondary Transformer winding other end It is connect with the 22nd diode cathode, the 20th diode anode, the second relay Second terminal, the 22nd Diode anode, the 23rd diode anode, the connection of the second relay first terminal, the second relay main terminal and the 30th Three switch tube cathodes, third capacitor anode, the 4th capacitor anode, the 24th diode cathode, described the The connection of 25 diode cathodes, third Circuit Fault on Secondary Transformer winding one end and the 25th diode anode, the described 20th The connection of seven diode cathodes, the third Circuit Fault on Secondary Transformer winding other end and the 24th diode anode, the described 26th Diode cathode connection, the 26th diode anode, the 27th diode anode, the 35th switch tube cathode, the 4th Capacitor anode connection and output negative pole end and input DC power negative pole end when motoring condition when as generating state.
- 2. according to claim 1 improve oneself encourages the control of bidirectional high-pressure gain interleaved switching resistance motor power converter system Method processed, technical characteristic are to control operation respectively as generator and electric motor state according to switched reluctance machines；Switched reluctance machines as generator when running, firstly, relying on excitation power supply when starting, the 7th switching tube disconnects shape State, according to rotor position information, after judging the specific phase winding that be powered, battery is via the 15th diode to main electricity For electrical excitation, two switching tubes for constituting energized circuit with the phase winding at this time are closed to be connected phase winding in road, is turned to basis When sub- location information needs to terminate the excitation stage, two switching tubes being originally closed are disconnected, into afterflow power generating stage, until continuous The power generating stage of the phase winding terminates when the phase winding electric current of stream power generation is down to zero；When afterflow generates electricity, the electric energy that output electric energy is assembled on first capacitor device is enough, i.e., first capacitor device both end voltage is greater than After battery voltage, due to the effect of the 15th diode, battery stops for electrical excitation, subsequent each phase winding excitation stage by First capacitor device provides excitation, that is, self-excitation mode；In two-way DC-AC-DC, the bridge-type of the 8th switching tube, the tenth switching tube, the 12nd switching tube, the 14th switching tube composition Full control inverter circuit closes pipe with sixteenmo, eighteenmo closes pipe, the bridge of the 20th switching tube, the 22nd switching tube composition Formula controls inverter circuit entirely and the 24th switching tube, the second sixteenmo close pipe, the second eighteenmo closes pipe, the 30th switching tube The bridge-type of composition controls inverter circuit entirely, and three is connected in parallel, and becomes respectively through the first transformer, the second transformer, third after inversion After depressor isolation and the output of high frequency transformation, respectively via the 16th diode, the 17th diode, the 18th diode, the tenth The bridge rectifier of nine diodes composition, the 20th diode, the 21st diode, the 22nd diode, the 20th The bridge rectifier of three diodes composition, the 24th diode, the 25th diode, the 26th diode, second The bridge rectifier of 17 diodes composition is connected in series after three's output, and total output voltage is the sum of three；At this time first The respective main terminal of relay and the second relay and its first terminal are closed, and Second terminal is hanging, the 32nd switching tube, the 33 switching tubes, the 34th switching tube, the 35th switching tube are in off-state；For switched reluctance machines when as motor running, two-way DC-AC-DC is as power supply back transfer electric energy, and first The respective main terminal of relay and the second relay is connect with its Second terminal, and first terminal is hanging；8th switching tube, the tenth open Guan Guan, the 12nd switching tube, the 14th switching tube, sixteenmo close pipe, eighteenmo closes pipe, the 20th switching tube, the 20th Two switching tubes and the 24th are to being off-state to the 31st switching tube；As first group, the 34th switching tube and the 35th switching tube are made for 32nd switching tube and the 33rd switching tube It is second group, all the duty cycle of switching of four switching tubes is the 0.5, the 32nd switching tube and the 33rd switch in each group The 33rd switching tube disconnects when the closure conducting of pipe complementary switch, i.e. the 32nd switching tube, when the 32nd switching tube disconnects The closure conducting of 33rd switching tube, the 34th switching tube and the 35th switching tube complementary switch, i.e., the 34th switch The 35th switching tube disconnects when pipe closure conducting, the 35th switching tube closure conducting when the 34th switching tube disconnects, together When, 90 degree of carrier phase shift when first group and second group of switching tube works, i.e., staggeredly 90 degree regulations, that is, a respective week The a quarter phase difference of phase；Through the first transformer reverse power supply, the 9th switching tube, the 11st switching tube, the 13rd switching tube, the 15th switching tube group At all controlled rectifier circuit, through the second transformer reverse power supply, the 17th switching tube, the 19th switching tube, the 21st switching tube, 23rd switching tube forms all controlled rectifier circuit, two rectification circuit output-parallels, according to switched reluctance motor rotor position Confidence breath, powers into main circuit, and it is straight that the PWM duty cycle of switching by adjusting two rectification circuit controlled tr tubes adjusts output Galvanic electricity pressure, and then can reach the purpose of speed regulation；When no matter being controlled as generator or motor running, when alarm of the electric energy lower than setting for detecting battery storage When lower limit, it is closed the 7th switching tube, generator runs the main circuit power generation electric energy and two-way DC- of Shi Youyu excitation power sources in parallel The side AC-DC electric energy charges jointly to battery, is charged when motor running from first capacitor device side, that is, reverse power supply electric energy to it； The quota of voltage and current needed for being charged according to battery, the 7th switching tube takes PWM operating mode to meet, while battery side Control switch closure accesses shunt capacitance and series inductance to filter.
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| CN110011580B (en) * | 2019-04-08 | 2020-09-11 | 中国计量大学 | Switched reluctance generator current transformation system |
| CN109921704B (en) * | 2019-04-08 | 2020-09-11 | 中国计量大学 | Switch reluctance generator converter and control method thereof |
| CN110071668B (en) * | 2019-04-08 | 2020-09-11 | 中国计量大学 | High-speed switch reluctance generator current transformation system |
| CN109995284B (en) * | 2019-04-08 | 2020-09-11 | 中国计量大学 | Self-charging switched reluctance generator current transformation system |
| CN110212824B (en) * | 2019-06-12 | 2021-02-12 | 中国计量大学 | Double-fed switched reluctance generator current transformation system |
| CN113422562B (en) * | 2021-06-24 | 2022-05-17 | 河北工业大学 | Three-phase switch reluctance motor system based on quasi-Z-source modular converter |
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| DE102013004218A1 (en) * | 2013-03-11 | 2014-09-11 | Man Truck & Bus Ag | Circuit arrangement for operating a reluctance machine |
| US9162669B2 (en) * | 2014-02-25 | 2015-10-20 | Cummins Inc. | Systems and methods for control of powertrains with regenerative start/stop alternator functionality |
| CN107026589B (en) * | 2017-04-20 | 2019-05-07 | 中国计量大学 | Low pulse self-excitation switch reluctance generator interleaved converter and its method of controlling switch |
| CN107171606B (en) * | 2017-07-06 | 2019-07-30 | 中国计量大学 | Small-power Multifunctional three-phase switched reluctance motor system and its control method |
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Effective date of registration: 20231227 Address after: Room 407-10, floor 4, building 2, Haichuang science and technology center, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province, 311100 Patentee after: Zhejiang Zhiduo Network Technology Co.,Ltd. Address before: 310018, No. 258, source street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: China Jiliang University |
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