CN108512469A - A kind of permanent magnetism starting-generating system and its control method with fault-tolerant ability - Google Patents
A kind of permanent magnetism starting-generating system and its control method with fault-tolerant ability Download PDFInfo
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- CN108512469A CN108512469A CN201810281476.5A CN201810281476A CN108512469A CN 108512469 A CN108512469 A CN 108512469A CN 201810281476 A CN201810281476 A CN 201810281476A CN 108512469 A CN108512469 A CN 108512469A
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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
- H02P9/006—Means for protecting the generator by using control
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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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
-
- 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
- H02P25/022—Synchronous motors
- H02P25/024—Synchronous motors controlled by supply frequency
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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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/027—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an over-current
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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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
-
- 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
- H02P2103/00—Controlling arrangements characterised by the type of generator
- H02P2103/20—Controlling arrangements characterised by the type of generator of the synchronous type
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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
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of permanent magnetism starting-generating systems and its control method with fault-tolerant ability, belong to starting-generating technical field.System includes double three-phase high impedance permanent magnetism starter-generators, two groups of bidirectional bridge type power conversion circuits, starting-generating switching switch, accumulator, DC load, starting-generating system controller, position sensor, temperature sensor, current sensor, voltage sensor.Starting stage and power generating stage are run on using SVPWM technology control systems.When shorted-turn fault occurs for motor, the weak magnetoelectricity stream of rated current size is set to by the quadrature axis current Setting signal zero setting of failure winding and by direct-axis current Setting signal, so that failure winding enters weak magnetic state, the short circuit current of fault restriction winding is near rated current, and most of power output is undertaken by normal winding, and starting torque is steady, Generation Control is simple, reliability is high, can effective limiting short-circuit current, especially inter-turn short circuit current.
Description
Technical field
The present invention relates to a kind of starting-generating system more particularly to a kind of permanent magnetism starting-generating systems with fault-tolerant ability
And its control method, belong to the technical field of starting-generating.
Background technology
Starting-generating integration can reduce system bulk, make compact-sized, be the independent electrical that can be applied on aircraft
Source system.According to the reversible operation principle of motor, by generator dual-use, when aero-engine does not work, motor conduct
Motor is used, starting aero-engine, and after Aero-Engine Start, aero-engine then drives electric power generation in turn, this is
System eliminates starter, reduces the volume and weight of system, improves efficiency.
Permanent magnet synchronous motor has many advantages, such as that output torque is high, power density is high, efficient, in aviation, electric vehicle, ship
Each industrial circle such as oceangoing ship is widely applied.Same set of power conversion can be used when generating electricity with electric operation in permanent magnet synchronous motor
Device simplifies starting-generating system.However, due to the presence of permanent magnet, when failure, is unable to demagnetization, once short trouble occurs,
Especially shorted-turn fault will generate prodigious short circuit current, constitute great threat to winding insulation, or even damage motor, this
One problem makes application of the permanent magnet synchronous motor in aviation main power source system be restricted.
Compared with external short circuit, shorted-turn fault is even more serious.Since the magnetic linkage of short-circuit circle linkage is several before and after short circuit
It does not change, and the resistance value and inductance value of short-circuit circle are all smaller, huge circulation can be induced in short-circuit circle, in short-term
It is interior to generate huge heat, cause violent Wen Sheng, causes serious consequence.Therefore a kind of permanent magnetism with fault-tolerant ability is studied
Dynamic electricity generation system has great importance.
Currently, starting-generating technical solution is mainly used in hybrid power automobile start-up energy production integrated technical aspect, and
And it is more as the scheme of starter-generator using magneto, patent of invention CN101958674A discloses a kind of winding open circuit
Type permanent magnet motor vehicle starting-generating system and control method, winding open-circuit type permanent magnet motor winding overhang side are whole by three-phase
It flows bridge and filter capacitor constitutes the rectification electricity-generating circuit of powering load, the winding open-circuit type permanent magnet motor winding overhang other side is logical
It crosses three-phase bridge inverter and constitutes starting circuit with accumulator, started by switching switch realization, the switching of generator operation state,
The invention can effectively meet the wide rotating speed range of operation, high power density, efficient requirement of vehicle starting generator, but
It is that such method fault-tolerance is not high, once short trouble, which occurs, will generate a large amount of heat.United States Patent (USP) US7064526B2 is disclosed
Each phase winding of a kind of permanent magnetism starter-generator with fault-tolerant ability, the starter-generator connects independent two-way changing
Device, when short trouble occurs for a phase winding, fault to ground detector sends out signal to control unit, and control unit controls the phase
The converter of winding connection is fault-tolerant to realize, the invention control method is simple, has certain fault-tolerant ability, but the work(used
Rate device is more, complicated, and can not effectively limit inter-turn short circuit current.
Invention content
The goal of the invention of the present invention is the deficiency for above-mentioned background technology, provides a kind of permanent magnetism with fault-tolerant ability
Starting-generating system and its control method realize effective inhibition of permanent magnetism starting system inter-turn short circuit current, solve existing
Permanent magnetism starter-generator with fault-tolerant ability can not effectively inhibit the technical issues of inter-turn short circuit current.
The present invention adopts the following technical scheme that for achieving the above object：
Permanent magnetism starting-generating system with fault-tolerant ability, including：Double three-phase high impedance permanent magnetism starter-generators, bidirectional bridge
Formula power conversion circuit, starting-generating system controller, starting/power generation switching switch, motor in real time rotor-position signal
Position sensor, the temperature sensor of six phase armature winding temperature of motor in real time, six phase armature of motor in real time around
The current sensor of group electric current, accumulator, DC load；The permanent magnetism starter-generator has two sets of threephase armature windings,
In, ABC three-phase windings are connect with the bridge arm midpoint of first group of bidirectional bridge type power conversion circuit respectively, DEF three-phase windings difference
It is connect with the bridge arm midpoint of second group of bidirectional bridge type power conversion circuit；Two groups of power conversion circuit DC side parallels are supplied to load
Electricity；Switching switch includes movable contact and the first stationary contact, the second stationary contact, and movable contact and bidirectional bridge type power conversion circuit are just
Output end connects, and the anode of the first stationary contact and accumulator connects, and the second stationary contact is connected with the anode of DC load；Start hair
Electric system controller is connect with the control terminal of the control terminal of bidirectional bridge type power conversion circuit, switching switch.
Preferably, double three-phase high impedance permanent magnetism starter-generator d-axis inductance values are larger, have limitation for short circuit current
Ability, can be by the external short circuit current limit of motor near rated current.After internal short circuit fault occurs for motor, pass through
The method of the weak magnetoelectricity stream of rated current size is injected into winding to limit the size of the single turn inter-turn short circuit current of motor
System is near rated current.The permanent magnetism starter-generator contains two sets of three-phase windings.When motor is under normal operating conditions,
Double winding respectively undertakes the power of half, and the DC side parallel of two groups of bidirectional bridge type power conversion circuits provides work(to outlet side
Rate.After a set of winding of motor breaks down, which no longer provides power to outlet side, and is continued by another set of winding
Partial Power is provided.
The control method of permanent magnetism starting-generating system with fault-tolerant ability as described above, in starting process, starting-generating
System controller is closed by the stationary contact and the first movable contact that control switching switch first, and accumulator is made to access bidirectional bridge type work(
The direct-flow input end of rate translation circuit；Then starting-generating system controller control bidirectional bridge type power conversion circuit drives permanent magnetism
Motor, meanwhile, whether the position sensor by detecting motor rotor position signal calculates the rotating speed of motor, judge motor
It completes to start, if so, then the stationary contact of starting-generating system controller control switching switch and the second movable contact are closed, at this point,
Magneto enters generating state；Controller drives bidirectional bridge type power conversion according to the DC side output voltage that unit is detected
Device, bidirectional bridge type converter carries out controlled rectification to the alternating current that magneto double winding exports, until reaching stable output
The purpose of voltage.
Preferably, magneto is double three-phase high impedance permanent magnetism starter-generators, and temperature is placed in each slot of motor
Sensor, when short trouble especially shorted-turn fault occurs for wherein a set of three-phase windings, temperature sensor detects temperature
After the acute variation of degree fault-signal is sent out to starting-generating control unit.When external short circuit failure occurs for motor, due to double
Three-phase high impedance magneto direct impedance is larger, and short circuit current can be limited near rated current.When circle occurs for motor
Between after short trouble, the control that starting-generating system controller passes through the three phase power translation circuit of control even with failure winding is believed
The weak magnetoelectricity stream that rated current size is injected number into failure winding, reduces the magnetic linkage size with short-circuited winding linkage, to press down
Short circuit current processed；The control signal of another set of winding is constant, continues to work normally.Such method can effectively limiting motor it is short
Road electric current especially inter-turn short circuit current, while ensureing to remain able to output par, c power after motor breaks down.
Further, after detecting that shorted-turn fault occurs for motor, the quadrature axis current given value of failure winding is no longer
It is determined by outer shroud, quadrature axis current given value is set to zero, the winding to break down no longer output power.The d-axis electricity of failure winding
Stream given value is set to the weak magnetoelectricity stream of rated current size to weaken the air gap flux density in failure winding, to reduce the short of motor
Road electric current, it is ensured that motor can continue to trouble free service, and another set of winding continues outside output power.
The present invention uses above-mentioned technical proposal, has the advantages that：
(1) present invention is using double three-phase high impedance permanent magnet synchronous motors core member generating integrated as system start
Part, the motor there is limitation capability, winding to occur to pass through when external short circuit failure short circuit current because d-axis inductance is larger
The high-impedance behavior limiting short-circuit current of itself runs on starting stage and power generating stage using SVPWM technology control systems,
When shorted-turn fault occurs for motor, by quadrature axis current Setting signal zero setting, meanwhile, direct-axis current given value is set to outside motor
The weak magnetoelectricity stream of portion's short circuit current namely rated current size is to weaken the air gap flux density in failure winding, to reduce motor
The winding of short circuit current, failure winding no longer output power, normal work then provides most power, it is ensured that motor can be after
Continuous trouble free service.
(2) permanent magnetism starting-generating system of the invention uses space voltage vector control, and current sinusoidal degree is higher, plays turn
Square is steady, and the switching control between starting, power generation and starting-generating is simple and reliable.
Description of the drawings
Fig. 1 is the permanent magnetism starting-generating system block diagram with fault-tolerant ability of the present invention.
Fig. 2 is the controller principle figure of permanent magnetism starting-generating system.
Fig. 3 is the structure chart of double three-phase high impedance permanent magnetism starter-generators.
Fig. 4 is the external characteristic curve comparison diagram of high impedance magneto and conventional permanent magnet motor.
Fig. 5 is the control flow chart of the permanent magnetism starting-generating system with fault-tolerant ability.
Figure label explanation：Q11、Q12、Q13、Q14、Q15、Q16、Q21、Q22、Q23、Q24、Q25、Q26For switching tube, D11、D12、
D13、D14、D15、D16、D21、D22、D23、D24、D25、D26For diode, C1、C2For DC side filter capacitor, ia~ifFor six phases electricity
Pivot winding current, Temperature are motor winding temperature, and θ is rotor position angle, and ω is rotor velocity, and ω * are given angle
Speed, UdcFor DC side virtual voltage, Udc* it is DC side given voltage, PWMQ11~Q16、PWMQ21-Q26Believe for switch controlled
Number, S1signalFor the control signal of starting/power generation switching switch, Id1、Id2、Iq1、Iq2For the ac-dc axis electricity in double three-phase windings
Stream, Id1*、Id2*、Iq1*、Iq2* it is given ac-dc axis electric current, Ud1、Ud2、Uq1、Uq2For the ac-dc axis voltage of double three-phase windings,
Ud1*、Ud2*、Uq1*、Uq2* ac-dc axis voltage, u are givenα1*、uα2*、uβ1*、uβ2* it is given α shaft voltages and β shaft voltages.
Specific implementation mode
The technical solution of invention is described in detail below in conjunction with the accompanying drawings：
Fig. 1 shows the structure chart of a preferred embodiment of the starting-generating system of the present invention, as shown, the permanent magnetism rises
Dynamic generator uses star-like connection mode, double threephase armature windings using winding construction in double three-phase sets, double threephase armature windings
Output end is respectively with two groups of three-phase bridge power conversion circuits with filter capacitor (as shown, include switching tube Q11~Q16,
Q21~Q26, diode D11~D16, D21~D26And filter capacitor C1~C2) bridge arm midpoint connection, wherein ABC three-phase windings with
First group of bridge rectifier is connected, and DEF three-phase windings are connected with second group of bridge rectifier, and two groups of power conversion circuits are straight
It powers to the load after stream side parallel connection, the output plus terminal after parallel connection is connect with the movable contact of starting-generating switching switch S1, starts hair
The stationary contact 1 that cutting changes switch S1 is connected with battery positive voltage, and the stationary contact 2 of starting-generating switching switch S1 connects direct current and bears
It carries.Under motoring condition, powered from accumulator to permanent magnet synchronous motor by bidirectional bridge type inverter circuit, it is two-way under generating state
Power conversion circuit output voltage is directly powered to DC load.Current sensor Hia~HifDetect permanent magnet motor armature winding
Phase current ia~if, position sensor detects permanent magnet machine rotor position signal, equipped with detection armature winding temperature in each slot
Temperature sensor utilizes partial pressure sampling resistor and voltage sensor detection DC side actual output voltage Udc, armature winding electric current
Detection signal, rotor-position detection signal, winding temperature detection signal, DC side actual output voltage detection signal
It is transmitted to starting-generating controller.Starting-generating controller exports the control signal PWM of bidirectional bridge type power switch tubeQ11~Q16、
PWMQ21~Q26So that permanent magnetism starter-generator normal operation, the output switching control letter when motor speed is more than starting speed range
Number S1signalIt is closed with stationary contact 2 with the movable contact of starting-generating switching switch S1, from pattern switching is started to power generation mode.
Fig. 2 is the controller architecture figure of the above-mentioned permanent magnetism starter-generator system with fault-tolerant ability, as shown, the control
System processed is double circle structure.When motor is under normal condition, temperature signal Temperature is in normal range
Interior, the outer shroud of control system is different under power generation and electronic two states.When motor is in motoring condition, outer shroud is to turn
Fast ring is detected position and the angular velocity signal of rotor using velocity location sensor, is carried out with given angular speed size
Compare, by speed regulator, generates the Setting signal (stationary contact 1 and comparator of switch S2 and switch S3 at this time of q shaft currents
It is connected).When the angular speed of motor is more than starting speed range, output dip switch controls signal S1signal, switching is made to open
S1 is closed by starting pattern switching to power generation mode.Outer shroud is Voltage loop at this time, by detecting the voltage swing of DC load side, with
The size of given DC voltage compares, through voltage regulator, generate q shaft currents Setting signal (at this time switch S2 and
The movable contact of switch S3 is connected with stationary contact 2).The inner ring of motor is electric current loop, detects to obtain quantity of state by current sensor
ia~if, this six quantity of states by Clark-Park are converted to obtain the ac-dc axis electric current I under rotating coordinate systemd1、Iq1、Id2、
Iq2, and compared with given ac-dc axis electric current, given ac-dc axis voltage is then obtained by current regulator, using anti-
Park converts to obtain the voltage u under given rest frameα1*、uβ1*、uα2*、uβ2*, it is generated using space voltage vector modulation
Signal PWMQ11~Q16、PWMQ21~Q26Control switching tube Q11~Q16、Q21~Q26Open and turn off, drive permanent magnetism to start with this
Motor of generator normal operation.After short trouble occurs for motor, quantity of state Temperature is abnormal, and event occurs at this time
The three-phase windings quadrature axis current given value of barrier is no longer determined that given value becomes zero by outer shroud.The winding to break down no longer exports
Power.The given value of direct-axis current becomes the weak magnetoelectricity stream of nominal amount, weakens the air gap flux density in failure winding, to reduce
The short circuit current of motor, it is ensured that motor can continue to trouble free service, and another set of winding continues outside output power.
Fig. 3 is double three-phase high impedance permanent magnetism starter-generators, as shown, the motor is 12 slot, 10 pole tangential concentrate around
Group magneto.The magneto Coupling Between Phases of concentratred winding structure are smaller so that after a phase winding breaks down, remaining mutually may be used
To continue to work normally.Motor contains two sets of three-phase windings of ABC, DEF, after a set of winding breaks down another set of winding after
Continuous work, output par, c power.
When motor is in normal condition, the phase current size of motor is as shown in formula：
Wherein, ImFor phase current, E is the size of back-emf, ZsFor the impedance magnitude of machine winding, ZLFor the impedance of load
Size.After short trouble occurs for motor, the load impedance size of motor is zero, and phase current can be expressed as at this time：
As can be seen that the impedance when motor is bigger from formula, the short circuit current of motor is smaller.Therefore high impedance magneto
Can effectively limiting motor short circuit current.
Fig. 4 is the external characteristic curve comparison of high impedance magneto and conventional permanent magnet motor, as shown, high impedance permanent magnetism
The impedance of motor is larger, and external short circuit electric current is much lower compared with conventional permanent magnet motor, may be limited near rated current.
Fig. 5 is the control flow chart of the permanent magnetism starting-generating system with fault-tolerant ability, as shown, when motor receives
After dynamic signal, the movable contact of switch S1 is connected with stationary contact 1, the movable contact of switch S2 and S3 respectively with 1 phase of respective stationary contact
Even.Controller generates switch controlled signal PWMQ11-Q16、PWMQ21-Q26, motor drives engine rotation, into starting stage.
When the rotor velocity of motor is more than critical angular velocity ω1When, motor will switch to generating state from starting state.Switch S2's
Movable contact is connected with stationary contact 2, and switch S2 is connected with respective stationary contact 2 respectively with the movable contact of S3.When the temperature in stator slot
After the temperature signal Temperature that degree sensor detects is abnormal, system enters faults-tolerant control state.When first set around
After group failure, the movable contact of switch S2 is connected with stationary contact 3, the quadrature axis current given value of this set winding becomes 0, meanwhile, this
The direct-axis current of set winding is given to become-Irated, this set winding enters weak magnetic state, and air gap flux density reduces, the anti-electricity of short-circuit circle
Potential drop is low, and short circuit current reduces, and second set of winding continues to work normally to maintain the Partial Power of motor to export.When the of motor
After two sets of windings break down, the movable contact of switch S3 is connected with stationary contact 3, direct-axis current given value becomes-Irated, first
Set winding continues to work normally, and ensures motor safely and reliably output par, c power.
Claims (5)
1. a kind of permanent magnetism starting-generating system with fault-tolerant ability, which is characterized in that including：Double three-phase high impedance permanent magnetism start
Generator, two groups of bidirectional bridge type power conversion circuits, starting-generating switching switch, accumulator, DC load, starting-generating system
The temperature of controller, the position sensor of motor in real time rotor-position signal, motor in real time per slot armature winding temperature
Sensor, the current sensor of six phase armature winding electric current of motor in real time, acquisition load in real time are spent at DC load both ends
The voltage sensor of voltage,
The outlet of two sets of armature winding of double three-phase high impedance permanent magnetism starter-generators respectively with one group of bidirectional bridge type power
The bridge arm midpoint of translation circuit connects, and the DC side parallel of two groups of bidirectional bridge type power conversion circuits constitutes system power transformation electricity
The movable contact of the DC side on road, starting-generating switching switch is connect with the positive polarity port of system power translation circuit DC side,
The anode of accumulator is connect with the first stationary contact of starting-generating switching switch, and one end and the starting-generating switching of DC load are opened
The the second stationary contact connection closed, the cathode of accumulator and the other end of DC load with system power translation circuit DC side
Negative polarity port connection,
Starting-generating system controller initial motor works in motoring condition, and the movable contact for starting switching switch receives initial finger
It is closed with the first stationary contact after order, starting-generating system controller drives two groups of bidirectional bridge type power conversion circuits, double three-phases high
Impedance permanent magnetism starter-generator is rotated by two groups of bidirectional bridge type power conversion circuits, and starting-generating control system is in electricity
Switching command is sent when machine rotating speed is more than starting speed range to switching switch is started, and starts the movable contact and second of switching switch
Stationary contact is closed, and motor works in generating state, and starting-generating system control unit is according to load in DC load both end voltage
Detected value drive two groups of bidirectional bridge type power conversion circuits, two groups of bidirectional bridge type translation circuits pair, two sets armature winding to export
Alternating current carries out controlled rectification, and system stablizes output DC voltage, and starting-generating system controller is in armature winding temperature anomaly
When export to failure winding inject rated current size weak magnetoelectricity stream drive signal to the bidirectional bridge that is connected with failure winding
Formula power conversion circuit, starting-generating system controller are defeated to the bidirectional bridge type power conversion circuit being connected with normal work winding
The drive signal gone out is constant.
2. the permanent magnetism starting-generating system with fault-tolerant ability according to claim 1, which is characterized in that double three-phases are high
Impedance permanent magnetism starter-generator has the limitation capability to short circuit current, the outside of double three-phase high impedance permanent magnetism starter-generators
The size of short circuit current is the size of rated current.
3. the permanent magnetism starting-generating system with fault-tolerant ability according to claim 1, which is characterized in that two groups of bidirectional bridge types
The DC side of power conversion circuit is connected to filter capacitor.
4. a kind of control method of the permanent magnetism starting-generating system with fault-tolerant ability, which is characterized in that
System power translation circuit accesses accumulator in its DC side, and motor works in motoring condition, using SVPWM technology humanizeds
System power translation circuit works, and switches DC load access system power conversion when motor speed is more than starting speed range
The DC side of circuit, motor work in generating state, defeated to armature winding using SVPWM technology humanized system power translation circuits
The alternating current gone out carries out controlled rectification；
During SVPWM technology humanized system power translation circuits：
It is given according to motor rotor position signal and rotor-position when double three-phase high impedance permanent magnetism starter-generators work normally
The deviation of signal determines that quadrature axis current Setting signal, direct-axis current Setting signal are set to zero；
When shorted-turn fault occurs for double three-phase high impedance permanent magnetism starter-generators, the ac-dc axis given value of current letter of normal winding
Number with and double three-phase high impedance permanent magnetism starter-generator work normally when it is identical, the quadrature axis current Setting signal of failure winding is set
It is zero, the direct-axis current Setting signal of failure winding is set to the weak magnetoelectricity stream of rated current size；
The process of controlled rectification is carried out to the alternating current that armature winding exports using SVPWM technology humanized system power translation circuits
In：
When double three-phase high impedance permanent magnetism starter-generators work normally, voltage and system according to load at DC load both ends
The deviation of DC side output voltage Setting signal determines that quadrature axis current Setting signal, direct-axis current Setting signal are set to zero；
When shorted-turn fault occurs for double three-phase high impedance permanent magnetism starter-generators, the ac-dc axis given value of current letter of normal winding
Number with and double three-phase high impedance permanent magnetism starter-generator work normally when it is identical, the quadrature axis current Setting signal of failure winding is set
It is zero, the direct-axis current Setting signal of failure winding is set to the weak magnetoelectricity stream of rated current size.
5. the control method of the permanent magnetism starting-generating system with fault-tolerant ability according to claim 4, which is characterized in that adopt
The process for carrying out controlled rectification to the alternating current that armature winding exports with SVPWM technology humanized system power translation circuits is specific
For；Clark-Park is carried out to the detected value of six phase armature winding electric current of motor to convert to obtain the electric current under rotating coordinate system, it is right
Electric current under rotating coordinate system carries out PI and adjusts to obtain the voltage under rotating coordinate system, is carried out to the voltage under rotating coordinate system anti-
Park converts to obtain the voltage under rest frame, and carrying out SVPWM to the voltage under rest frame modulates to obtain system power
The drive signal of translation circuit.
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| CN201810281476.5A CN108512469B (en) | 2018-04-02 | 2018-04-02 | A kind of permanent magnetism starting-generating system and its control method with fault-tolerant ability |
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| CN201810281476.5A CN108512469B (en) | 2018-04-02 | 2018-04-02 | A kind of permanent magnetism starting-generating system and its control method with fault-tolerant ability |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111608837A (en) * | 2019-02-25 | 2020-09-01 | 罗伯特·博世有限公司 | Method and device for assisting a starting process of an internal combustion engine |
| CN111650524A (en) * | 2020-04-29 | 2020-09-11 | 千黎（苏州）电源科技有限公司 | Alternating current impedance testing system and method for power battery |
| CN110729929B (en) * | 2019-10-21 | 2021-03-02 | 南京航空航天大学 | Double-winding permanent magnet motor starting power generation system and fault-tolerant control method thereof |
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| CN109842343A (en) * | 2019-02-18 | 2019-06-04 | 清华大学 | Flywheel energy storage system error-tolerant operation control method and device based on ten two-phase electric machines |
| CN111608837A (en) * | 2019-02-25 | 2020-09-01 | 罗伯特·博世有限公司 | Method and device for assisting a starting process of an internal combustion engine |
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| EP4060880A4 (en) * | 2020-03-13 | 2023-01-11 | CRRC Yongji Electric Co., Ltd | Permanent magnet electric motor adjustment method and apparatus, and device and storage medium |
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| CN112810822B (en) * | 2020-12-31 | 2024-03-15 | 河南三和航空工业有限公司 | Aviation aircraft with function of initiating and controlling method thereof |
| CN112994555A (en) * | 2021-03-30 | 2021-06-18 | 江苏大学 | Six-phase permanent magnet synchronous generator duty ratio synthetic vector low-complexity model prediction direct power control method |
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