CN105763114B - A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system - Google Patents
A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system Download PDFInfo
- Publication number
- CN105763114B CN105763114B CN201610258892.4A CN201610258892A CN105763114B CN 105763114 B CN105763114 B CN 105763114B CN 201610258892 A CN201610258892 A CN 201610258892A CN 105763114 B CN105763114 B CN 105763114B
- Authority
- CN
- China
- Prior art keywords
- double
- winding asynchronous
- power
- starting
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- 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
- H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
- H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
-
- 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
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/30—Special adaptation of control arrangements for generators for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system, in particular for the double-winding asynchronous alternating current-direct current starting-generating system of more electric aviation power supplies, belong to the technical field of alternating current-direct current mixed power generation.Control method, detection high pressure rotating speed in real time, low pressure rotating speed, AC network primary voltage, DC grid primary voltage, the control to each circuit breaker switch state in double winding alternating current-direct current starting-generating system and the driving to switching tube in the driving of starting-generating driving unit are realized by generating control strategy in more electric engin different rotating speeds region, while control is integrated in DWIG units output alternating current in more electric motor high-pressure shafts, control is integrated in DWIG units output alternating current on more electric motor low-pressure shafts, direct current is obtained to DWIG units output AC rectification on low-pressure shaft, realize the alternating current-direct current supply of more electric aircraft power supplies.
Description
Technical field
The invention discloses a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system, for controlling more
Double-winding asynchronous alternating current-direct current starting-generating system belongs to the technical field of alternating current-direct current mixed power generation to electric aviation power supply.
Background technology
Mostly electricity/electric aircraft compared with conventional airplane, have it is simple in structure, light-weight, reliability is high and maintainability is good
The advantages that, it is developed rapidly in recent years, and the new demands such as large capacity, high reliability is proposed to aircraft power system.For
Meet these requirements, more electric engin comes into being.Aerogenerator is exactly integrated and is installed on hair by so-called more electric engin
In the main steam turbine of motivation, built-in generator is formed.According to the different factors such as size, rotating speed and working environment, may be selected
Generator is integrated in the high-pressure shaft or low-pressure shaft of more electric engin.The generator being integrated in high-pressure shaft has smaller size
Higher rotating speed, therefore with start-up function, interior rotatable starter-generator can be used as；And it is integrated in the generator on low-pressure shaft
With larger size and relatively low rotating speed.
Aircraft power system experienced the development of decades, from low-voltage dc power supply system, constant speed constant frequency ac power system
System, the high-voltage direct current (DC) power system and variable frequency AC power system of variable speed constant frequency ac power supply system evolution by now, it is progressively real
The requirements such as aircraft power system large capacity, high-performance, high power density, high efficiency, high reliability are showed.Make a general survey of domestic and international aircraft
Development, research and the applicable cases of power-supply system, high-voltage direct current (DC) power system and variable frequency AC power system are aircraft power supplies
Development trend.
The brainstrust in the NASALewis research centers of the U.S. in 1997 according to them, point out to fly for future for many years by achievement in research
Electromechanical source system, squirrel cage induction motor are worth further investigation comprehensively possible as aerogenerator.On aviation with asynchronous electricity
Machine high-voltage direct current power generation system, China have also carried out correlative study work earlier.Since 1998, Nanjing aerospace was big
Just always study the asynchronous high-voltage direct current power generation system of 270V three-phase cages, and has developed 18kW model machines.This is into one
It is feasible that step, which shows that squirrel cage induction motor is applied to aircraft high-voltage direct current power generation system,.Stator double-winding asynchronous power generation system
System is a kind of asychronous motor occurred in recent years.From Ojo professors O. of Tennessee Polytechnics of the U.S. in 1999 for the first time
It is proposed asynchronous motor power generation system of stator duplex winding, scholar both domestic and external has carried out one after another grinds stator double-winding asynchronous
Study carefully, the researcher of Nanjing Aero-Space University was directed to aviation variable frequency alternating current power source again since 2012, it is proposed that is based on
The aviation variable-frequency alternating current power generation system of DWIG.
With the fast development of mostly electricity/electric aircraft technology, aircraft electric loading tends to variation, and this requires aircraft is sent out
Electric system should provide frequency-changing AC electricity to the insensitive load of supply frequency, again to have to power supply will compared with high dynamic performance
The load asked carries the alternating current-direct current hybrid power source system of high voltage direct current.It is domestic not yet on mostly electric from the point of view of existing research
The research of airplane AC/DC electricity generation system control method.
The content of the invention
The technical problems to be solved by the invention are the deficiencies for above-mentioned background technology, are provided a kind of duplex winding asynchronous
The control method of motor alternating current-direct current starting-generating system is sent out for by the double-winding asynchronous alternating current-direct current for being applied to more electric aircrafts
Electric system proposes control method, and solving existing more electric airplane AC/DC electricity generation system, cannot to meet aircraft electric loading various
The technical issues of changing the power demand brought.
The present invention adopts the following technical scheme that for achieving the above object：
A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system,
Double-winding asynchronous alternating current-direct current starting-generating system, including：First be integrated in more electric engin high-pressure shaft
Double-winding asynchronous unit, the second double-winding asynchronous unit being integrated on more electric engin low-pressure shaft have both sides
Starting-generating driving unit, rectifier bridge, first to fourth breaker of power take-off, the first double-winding asynchronous unit control
The 3rd breaker of side processed is connected with the one side power take-off of starting-generating driving unit, the first double-winding asynchronous unit
The first breaker of power side is connected with AC network inlet wire, the second double-winding asynchronous unit control the 4th breaker of side
It is connected with the opposite side power take-off of starting-generating driving unit, the second double-winding asynchronous cell power side second is disconnected
Road device is connected with rectifier bridge exchange side, and rectification bridge DC side connects DC grid inlet wire, the both sides of the starting-generating driving unit
Breaker group is connected between power take-off；
Control method：Detect the first double-winding asynchronous cell power side output in real time using AC voltage sensor
Alternating voltage detects DC grid primary voltage using direct current voltage sensor in real time, using mounted on more electric engin high pressure
First Speed sensor on axis detects high pressure rotating speed in real time, using the second speed on more electric engin low-pressure shaft
Sensor detects low pressure rotating speed in real time, and digital signal processor is exported according to the first double-winding asynchronous cell power side
Alternating voltage, DC grid primary voltage, high pressure rotating speed, the generation of low pressure rotating speed correspond to four rotating speed ranks of more electric engin
The instruction of section control strategy, the driving circuit using digital signal processor output order as input signal generate starting-generating driving
The drive signal of unit, starting-generating driving unit is under drive signal effect to first, second double-winding asynchronous unit
Side is controlled to provide power,
The control strategy in four rotating speed stages of more electric engin is specially：
The control strategy of starting stage：The first breaker of DSP CONTROL and breaker combination lock, second to
4th breaker keeps gate-dividing state, and starting-generating driving unit exports excitation to the first double-winding asynchronous unit control side
Reactive power and active power operate in the first double-winding asynchronous dragging more electric engin high-pressure shaft rotation of motoring condition
To the speed of ignition of engine,
Play the control strategy in trend power generation conversion stage：The first breaker open operation of DSP CONTROL, second to
4th breaker keeps gate-dividing state, breaker component lock, and starting-generating driving unit stops double-winding asynchronous to first
Unit control side output excitation reactive power power and active power, more electric engin high-pressure shaft drag the first double-winding asynchronous fortune
For row until the first double-winding asynchronous rotating speed gradually rises up to its rotating speed that generates electricity, more electric engin low-pressure shaft drags second pair
Winding asynchronous motor operation gradually rises up to its rotating speed that generates electricity up to the second double-winding asynchronous rotating speed,
The control strategy in pressure stage is built in power generation：First to fourth breaker closing of DSP CONTROL, breaker
Group keeps gate-dividing state, and the one side power take-off of starting-generating driving unit is through the 3rd breaker to the first duplex winding asynchronous electricity
Machine unit control side output is enough the excitation reactive power power that the first double-winding asynchronous progress is made reliably to build pressure, and starting-generating drives
The opposite side power take-off of moving cell is enough to make through the 4th breaker to the second double-winding asynchronous unit control side output
The excitation reactive power power of pressure is reliably built in second double-winding asynchronous progress, and first, second double-winding asynchronous operates in
Generating state,
The control strategy in stable electric generation stage：First to fourth breaker of DSP CONTROL keeps combined floodgate shape
State, breaker group keep gate-dividing state, and starting-generating driving unit is with the power take-off that the 3rd breaker is connected to first pair
Winding asynchronous electric motor units control side output makes first double-winding asynchronous to run on stable hair in its range of speeds that generates electricity
The excitation reactive power power of electricity condition, starting-generating driving unit and the power take-off that the 4th breaker is connected are to the second double winding
Asynchronous machine unit control side output make second it is double-winding asynchronous its generate electricity range of speeds in run on stable electric generation shape
The excitation reactive power power of state, first double-winding asynchronous the first breaker of power side constant output target alternating current, second
Double-winding asynchronous the second breaker of power side exports alternating current to rectifier bridge exchange side, rectification bridge DC side constant output
Target direct current.
Further, in a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system, starting-generating drives
The one side power take-off of moving cell is enough to make the through the 3rd breaker to the first double-winding asynchronous unit control side output
The excitation reactive power power of pressure, the opposite side power take-off of starting-generating driving unit are reliably built in one double-winding asynchronous progress
It is enough to make the second double-winding asynchronous progress can to the second double-winding asynchronous unit control side output through the 4th breaker
By building the excitation reactive power power of pressure, specific method is：
Starting-generating driving unit one side power take-off successively decreases output is since original frequency under drive signal effect
Excitation reactive power power to the first double-winding asynchronous unit, first double-winding asynchronous the first breaker of power side is defeated
The alternating voltage gone out is gradually increasing, and the first double-winding asynchronous alternating voltage in the output of its power side rises to alternative electric generation
Enter generating state during desired value, starting-generating driving unit exports the excitation reactive power power for maintaining current frequency to first pair
Winding asynchronous electric motor units, the original frequency is higher than the frequency corresponding to the first double-winding asynchronous rotor speed；
Starting-generating driving unit opposite side power take-off is passed output is since original frequency under drive signal effect
The excitation reactive power power subtracted gives the second double-winding asynchronous unit, second double-winding asynchronous the second breaker of power side
The alternating current that is gradually increasing is exported to rectifier bridge exchange side, the second double-winding asynchronous direct current in the output of rectification bridge DC side
Voltage enters generating state when rising to DC generation desired value, the output of starting-generating driving unit maintains encouraging for current frequency
Magnetic reactive power gives the second double-winding asynchronous unit, and the original frequency is higher than the second double-winding asynchronous rotor speed
Corresponding frequency.
Further, in a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system, starting-generating
Driving unit and the power take-off that the 3rd breaker is connected are exported to the first double-winding asynchronous unit control side so that the
The one double-winding asynchronous excitation reactive power power that stable electric generation state is run in its range of speeds that generates electricity, starting-generating drive
Moving cell is exported to the second double-winding asynchronous unit control side so that second with the power take-off that the 4th breaker is connected
The double-winding asynchronous excitation reactive power power that stable electric generation state is run in its range of speeds that generates electricity, specific method
For：
When first double-winding asynchronous rotating speed changes in its range of speeds that generates electricity, starting-generating driving unit is driving
Output frequency is adapted with the first double-winding asynchronous rotating speed under dynamic signal function, amplitude is enough to maintain first duplex winding asynchronous
The excitation reactive power power of motor constant output target alternating current gives the first double-winding asynchronous unit；
When second double-winding asynchronous rotating speed changes in its range of speeds that generates electricity, starting-generating driving unit is driving
It moves output frequency under signal function and the second double-winding asynchronous rotating speed is adapted, amplitude is enough to maintain rectifier bridge constant output
The excitation reactive power power of target direct current gives the second double-winding asynchronous unit.
It is double as a kind of further prioritization scheme of the control method of double-winding asynchronous alternating current-direct current starting-generating system
Starting-generating driving unit in winding asynchronous motor alternating current-direct current starting-generating system includes：Startup power supply, diode, capacitance,
Two converters and breaker group, wherein,
Startup power supply anode connects diode anode, diode cathode, capacitance cathode plate and the arbitrary one side bridge of two converters
The points of common connection of arm is connected, the points of common connection of startup power supply cathode, capacitance negative plate and two converter opposite side bridge arms
It is connected, the output terminal terminal of a converter is connected through breaker group with the output terminal terminal of another converter.
As a kind of further prioritization scheme of the control method of double-winding asynchronous alternating current-direct current starting-generating system,
In starting-generating driving unit, bridge arm number that a converter includes is identical with the first double-winding asynchronous number of phases, separately
The bridge arm number that one converter includes is identical with the second double-winding asynchronous number of phases, each bridge arm by be connected in series two
A switching tube composition.
As a kind of further optimization of the control method of double-winding asynchronous alternating current-direct current starting-generating system
Scheme, in converter, switching tube is connected to backward dioded between both ends.
The present invention is had the advantages that using above-mentioned technical proposal：
A kind of control method of more electric airplane AC/DC electricity generation system is proposed, in particular for will be double-winding asynchronous
The control method of alternating current-direct current starting-generating system applied to more electric aircrafts, has filled up the blank of existing research, detection is high in real time
Last item rotating speed, low pressure rotating speed, alternating voltage, the DC grid inlet wire electricity of the first double-winding asynchronous cell power side output
Pressure is realized by generating control strategy in more electric engin different rotating speeds region to each in double winding alternating current-direct current starting-generating system
It is electronic to be integrated in more electricity in control for the control of circuit breaker switch state and the driving to switching tube in starting-generating driving unit
While DWIG units export alternating current in machine high-pressure shaft, control is integrated in DWIG units output on more electric motor low-pressure shafts and hands over
Galvanic electricity obtains direct current to DWIG units output AC rectification on low-pressure shaft, and the alternating current-direct current for realizing more electric aircraft power supplies supplies
It gives.
Description of the drawings
Fig. 1 is the topological structure of the alternating current-direct current starting-generating system of double-winding AC-DC generator.
Fig. 2 is the circuit diagram of starting-generating driving unit.
Figure label explanation：1st, first is double-winding asynchronous, and 2, second is double-winding asynchronous, 3, starting-generating driving
Unit, 4, rectifier bridge, the 5, first filter inductance, the 6, second filter inductance, the 7, first exciting capacity, the 8, second exciting capacity, 9,
Dc-link capacitance, 10, AC network, 11, DC grid, the 12, first breaker, the 13, second breaker, the 14, the 3rd open circuit
Device, the 15, the 4th breaker, 16, digital signal processor, 17, driving circuit, 18, AC voltage sensor, 19, DC voltage
Sensor, 20, First Speed sensor, 21, second speed sensor, S1, first switch, S2, second switch, S3, the 3rd open
It closes, S4, the 4th switch, S5, the 5th switch, S6, the 6th switch, S7, the 7th switch, S8, the 8th switch, S9, the 9th switch,
S10, the tenth switch, S11, the 11st switch, S12, the 12nd switch, B5, the 5th breaker, B6, the 6th breaker, B7, the
Seven breakers, P, startup power supply, D, diode, C, capacitance.
Specific embodiment
The technical solution of invention is described in detail below in conjunction with the accompanying drawings.
Double-winding asynchronous alternating current-direct current starting-generating system as shown in Figure 1, including：More electric more electricity of aircraft are integrated in start
In machine high-pressure shaft first double-winding asynchronous 1, the first filter inductance 5, the first breaker 12, the second breaker 13, first
Exciting capacity 7, starting-generating driving unit 3, be integrated on more electric aircraft more electric engin low-pressure shafts it is second duplex winding asynchronous
Motor 2, the second filter inductance 6, the 3rd breaker 14, the 4th breaker 15, the second exciting capacity 8, rectifier bridge 4, dc bus
Capacitance 9.First double-winding asynchronous 1, the first filter inductance 5, the first breaker 12, the 3rd breaker 14, the first excitation electricity
Hold the first double-winding asynchronous alternative electric generation unit that 7 compositions are integrated in more electric aircraft more electric engin high-pressure shafts, second
Double-winding asynchronous 2, second filter inductance 6, the second breaker 13, the 4th breaker 15, the second exciting capacity 8, rectifier bridge
4th, dc-link capacitance 9 forms the double-winding asynchronous direct current hair of second be integrated on more electric aircraft more electric engin low-pressure shafts
Electric unit, starting-generating driving unit 3 have both sides power take-off.
The outlet of first double-winding asynchronous 1 power winding is in parallel with the first exciting capacity 7 by the first breaker 12,
First double-winding asynchronous 1 power winding is directly connected when the first breaker 12 is closed with AC network 10, the first double wrap
The outlet of group 1 control winding of asynchronous machine is connected with one end of the first filter inductance 5, and 5 other end of the first filter inductance passes through the
Three breakers 14 are connected with 3 one side power output terminal of starting-generating driving unit, 3 opposite side power of starting-generating driving unit
Leading-out terminal is through the 4th breaker 15 and the second filter inductance 6 being connected in the second double-winding asynchronous 2 control winding outlet
Connection, the outlet of 2 power winding of the second double-winding AC-DC generator connect by the exchange side of the second breaker 13 and rectifier bridge 4
It connects, the DC side parallel of rectifier bridge 4 has dc-link capacitance 9, and the DC side of rectifier bridge 4 is connected with DC grid 11.
Starting-generating driving unit as shown in Fig. 2, including：First switch S1, second switch S2, the 3rd switch S3, the 4th
Switch S4, the 5th switch S5, a converter of the 6th switch S6 compositions, the 7th switch S7, the 8th switch S8, the 9th switch
S9, the tenth switch S10, the 11st switch S11, another converter of the 12nd switch S12 compositions, the 5th breaker B5, the
The breaker group and startup power supply P, diode D, capacitance C of six breaker B6, the 7th breaker B7 composition.The first of series connection
It switchs S1, second switch S2 and forms a phase bridge arm, the 3rd switch S3, the 4th switch S4 of series connection form a phase bridge arm, series connection
5th switch S5, the 6th switch S6 form a phase bridge arm, and the 7th switch S7, the 8th switch S8 of series connection form a phase bridge arm, string
The 9th switch S9, the tenth switch S10 of connection form a phase bridge arm, the 11st switch S11 of series connection, the 12nd switch S12 compositions
One phase bridge arm.The series arm of capacitance C, startup power supply P and diode the D composition of the input side of two converters is connected in parallel on, with
And six phase bridge arms in parallel form the starting-generating driving unit of a symmetrical structure.A, tri- tie points of b, c, which are drawn, starts hair
The one side AC output terminal (being one side power output terminal) of electric drive unit, tri- tie points of d, e, f, which are drawn, starts hair
The opposite side AC output terminal (being opposite side power output terminal) of electric drive unit.A, tri- tie points of b, c pass through respectively
Tri- the 5th breaker B5, the 6th breaker B6, the 7th breaker B7 and d, e, f tie points are crossed to be connected.The starting-generating drives
Unit has the advantages that starting-generating is difunctional, power density is high, and two converters are used for first, second duplex winding asynchronous electricity
Machine provides excitation reactive power power and active power in system start, makes two converter output terminal by close circuit breaker group
Short circuit simultaneously exports excitation reactive power power and active power, when system generates electricity, two from starting-generating driving unit one side output terminal
A converter output terminal is respectively as the both sides output terminal output excitation reactive power power of starting-generating driving unit.
In system shown in Figure 1, first, second it is double-winding asynchronous be three phase electric machine, second is double-winding asynchronous
The motor of other numbers of phases can also be selected, correspondingly, to the second double-winding asynchronous converter number of phases for providing power, with the
The rectifier bridge number of phases of two double-winding asynchronous power side connections is also identical with the second double-winding asynchronous number of phases.When second pair
When winding asynchronous number of motor phases is more than three, the breaker group in driving power generation driving unit includes three breakers, with first pair
Each phase bridge arm midpoint of the converter of winding asynchronous motor connection respectively by a breaker and with the second duplex winding asynchronous electricity
Three-phase bridge arm midpoint connects in the converter of machine connection.
The control method of electricity generation system shown in Fig. 1, using AC voltage sensor 18, detection first is duplex winding asynchronous in real time
The alternating voltage of electric motor units power side output detects DC grid primary voltage using direct current voltage sensor 19, adopts in real time
High pressure rotating speed is detected in real time with the First Speed sensor 20 in more electric engin high-pressure shaft, using mounted on mostly electric
Second speed sensor 21 on engine low-pressure shaft detects low pressure rotating speed in real time, and digital signal processor 16 is according to first pair
The alternating voltage of winding asynchronous electric motor units power side output, DC grid primary voltage, high pressure rotating speed, the life of low pressure rotating speed
Into the instruction corresponding to four rotating speed stage control strategies of more electric engin, believe by input of digital signal processor output order
Number driving circuit 17 generate starting-generating driving unit drive signal, starting-generating driving unit drive signal effect under
Power is provided to first, second double-winding asynchronous unit.Rotating speed of the digital signal processor according to belonging to engine speed
The corresponding control strategy of regional choice, is broadly divided into：Starting stage, the stage for playing trend power generation conversion, power generation build pressure stage, steady
Determine power generating stage.
In the control strategy of starting stage：The first breaker closing of DSP CONTROL, the second breaker open operation,
3rd breaker open operation, the 4th breaker open operation, breaker combination lock, the both sides three-phase bridge arm in starting-generating driving unit are defeated
Go out short circuit, three-phase bridge arm output in starting-generating driving unit one side is by the 3rd breaker, the first filter inductance to the first double wrap
The control winding of group asynchronous machine provides excitation reactive power power and active power, operates in the first double winding of motoring condition at this time
Asynchronous machine dragging more electric engin high-pressure shaft is rotated to the speed of ignition of engine.
Playing the control strategy in trend power generation conversion stage：The first breaker open operation of DSP CONTROL, second
Breaker open operation, the 3rd breaker open operation, the 4th breaker open operation, breaker component lock, starting-generating driving unit stop to
First double-winding asynchronous control winding provides excitation reactive power power and active power, and high-pressure shaft drags the first double wrap at this time
The operation of group asynchronous machine is until the first double-winding asynchronous rotating speed gradually rises up to its rotating speed that generates electricity, low-pressure shaft dragging second
Double-winding asynchronous operation is until the second double-winding asynchronous rotating speed gradually rises up to its rotating speed that generates electricity.
The control strategy in pressure stage is built in power generation：The first breaker closing of DSP CONTROL, the second breaker
It closes a floodgate, the 3rd breaker closing, the 4th breaker closing, breaker group keep gate-dividing state, in starting-generating driving unit
One side three-phase bridge arm output is provided by the 3rd breaker, the first filter inductance to the first double-winding asynchronous control winding
The excitation reactive power successively decreased sufficient (frequency corresponding to slightly above the first double-winding asynchronous rotor speed) since original frequency
Power, the alternating voltage that the first double-winding asynchronous power winding is exported through the first breaker are gradually increasing, the first double winding
Asynchronous machine enters generating state when the alternating voltage that its power winding exports rises to alternative electric generation desired value 115V, starts
Power generation driving unit exports the excitation reactive power power for maintaining current frequency to the first double-winding asynchronous unit, starting-generating
Opposite side three-phase bridge arm output in driving unit is by the 4th breaker, the second filter inductance to the duplex winding asynchronous hair of low-pressure shaft
The control winding of motor is provided to be opened from original frequency (frequency corresponding to slightly above the second double-winding asynchronous rotor speed)
Begin the excitation reactive power power to successively decrease, the exchange that the second double-winding asynchronous power winding is gradually increasing through the output of the second breaker
Electricity to rectifier bridge exchange side, the second double-winding asynchronous DC voltage in the output of rectification bridge DC side rises to DC generation
Enter generating state during desired value 270V, starting-generating driving unit, which exports, maintains the excitation reactive power power of current frequency to the
Two double-winding asynchronous units.
The control strategy in stable electric generation stage：The first breaker closing of DSP CONTROL, the second breaker close
Lock, the 3rd breaker closing, the 4th breaker closing, breaker component lock, the one side three-phase bridge in starting-generating driving unit
Arm output makes the first double wrap by the 3rd breaker, the first filter inductance to the first double-winding asynchronous control winding output
Group asynchronous machine runs on the excitation reactive power power of stable electric generation state (when first is duplex winding asynchronous in its range of speeds that generates electricity
The rotating speed of motor its generate electricity range of speeds in change when, starting-generating driving unit drive signal effect under output frequency with
First double-winding asynchronous rotating speed is adapted, amplitude is enough to maintain the first double-winding asynchronous constant output target alternating current
Excitation reactive power power give the first double-winding asynchronous unit), the opposite side three-phase bridge arm in starting-generating driving unit is defeated
Go out makes the second double winding different by the 4th breaker, the second filter inductance to the second double-winding asynchronous control winding output
Step motor runs on the excitation reactive power power of stable electric generation state (when second is double-winding asynchronous in its range of speeds that generates electricity
Rotating speed its generate electricity range of speeds in change when, starting-generating driving unit drive signal effect under output frequency and second
Double-winding asynchronous rotating speed is adapted, amplitude be enough to maintain the excitation reactive power power of rectifier bridge constant output target direct current to
Second double-winding asynchronous unit), the first double-winding asynchronous power winding is handed over through the first breaker constant output target
Galvanic electricity, the second double-winding asynchronous power winding export alternating current to rectifier bridge exchange side through the second breaker, and rectifier bridge is straight
Side constant output target direct current is flowed, at this point, first be integrated in high-pressure shaft is double-winding asynchronous and is integrated in low-pressure shaft
On second it is double-winding asynchronous operate in generating state, system output AC/DC electric energy disclosure satisfy that more electric aircrafts
Diversified power demand.
Claims (6)
1. a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system, which is characterized in that
The double-winding asynchronous alternating current-direct current starting-generating system, including：First be integrated in more electric engin high-pressure shaft
Double-winding asynchronous unit, the second double-winding asynchronous unit being integrated on more electric engin low-pressure shaft have both sides
Starting-generating driving unit, rectifier bridge, first to fourth breaker of power take-off, the first double-winding asynchronous list
Member control the 3rd breaker of side is connected with the one side power take-off of starting-generating driving unit, and first is double-winding asynchronous
The first breaker of cell power side is connected with AC network inlet wire, and the second double-winding asynchronous unit control side the 4th is disconnected
Road device is connected with the opposite side power take-off of starting-generating driving unit, the second double-winding asynchronous cell power side
Two breakers are connected with rectifier bridge exchange side, and rectification bridge DC side connects DC grid inlet wire, the starting-generating driving unit
Breaker group is connected between the power take-off of both sides；
The control method：Detect the first double-winding asynchronous cell power side output in real time using AC voltage sensor
Alternating voltage detects DC grid primary voltage using direct current voltage sensor in real time, using mounted on more electric engin high pressure
First Speed sensor on axis detects high pressure rotating speed in real time, using the second speed on more electric engin low-pressure shaft
Sensor detects low pressure rotating speed in real time, and digital signal processor is exported according to the first double-winding asynchronous cell power side
Alternating voltage, DC grid primary voltage, high pressure rotating speed, the generation of low pressure rotating speed correspond to four rotating speed ranks of more electric engin
The instruction of section control strategy, the driving circuit using digital signal processor output order as input signal generate starting-generating driving
The drive signal of unit, starting-generating driving unit is under drive signal effect to first, second double-winding asynchronous unit
Side is controlled to provide power,
The control strategy in four rotating speed stages of more electric engin is specially：
The control strategy of starting stage：The first breaker of DSP CONTROL and breaker combination lock, second to the 4th
Breaker keeps gate-dividing state, and starting-generating driving unit exports excitation reactive power to the first double-winding asynchronous unit control side
Power and active power, the first double-winding asynchronous dragging more electric engin high-pressure shaft for operating in motoring condition are rotated to hair
The speed of ignition of motivation,
Play the control strategy in trend power generation conversion stage：The first breaker open operation of DSP CONTROL, second to the 4th
Breaker keeps gate-dividing state, breaker component lock, and starting-generating driving unit stops to the first double-winding asynchronous unit
Side output excitation reactive power power and active power are controlled, the first double-winding asynchronous operation of more electric engin high-pressure shaft dragging is straight
The rotating speed double-winding asynchronous to first gradually rises up to its rotating speed that generates electricity, and more electric engin low-pressure shaft drags the second double winding
Asynchronous machine operation gradually rises up to its rotating speed that generates electricity up to the second double-winding asynchronous rotating speed,
The control strategy in pressure stage is built in power generation：First to fourth breaker closing of DSP CONTROL, breaker group are protected
Hold gate-dividing state, the one side power take-off of starting-generating driving unit is through the 3rd breaker to the first double-winding asynchronous list
Member control side output is enough the excitation reactive power power that the first double-winding asynchronous progress is made reliably to build pressure, and starting-generating driving is single
The opposite side power take-off of member is enough to make second through the 4th breaker to the second double-winding asynchronous unit control side output
The excitation reactive power power of pressure is reliably built in double-winding asynchronous progress, and first, second double-winding asynchronous operates in power generation
State,
The control strategy in stable electric generation stage：First to fourth breaker of DSP CONTROL keeps "on" position, breaks
Road device group keeps gate-dividing state, and the power take-off that starting-generating driving unit is connected with the 3rd breaker is different to the first double winding
Step electric motor units control side output make first it is double-winding asynchronous its generate electricity range of speeds in run on stable electric generation state
Excitation reactive power power, starting-generating driving unit and the power take-off that the 4th breaker is connected are to the second duplex winding asynchronous electricity
Machine unit control side output make second it is double-winding asynchronous its generate electricity range of speeds in run on encouraging for stable electric generation state
Magnetic reactive power, first double-winding asynchronous the first breaker of power side constant output target alternating current, the second double winding
The second breaker of asynchronous machine power side exports alternating current to rectifier bridge exchange side, and rectification bridge DC side constant output target is straight
Galvanic electricity.
2. a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system according to claim 1, feature
It is, the one side power take-off of the starting-generating driving unit is through the 3rd breaker to the first double-winding asynchronous unit
The output of control side is enough the excitation reactive power power that the first double-winding asynchronous progress is made reliably to build pressure, starting-generating driving unit
Opposite side power take-off be enough to make second pair to the second double-winding asynchronous unit control side output through the 4th breaker
Winding asynchronous motor reliably build the excitation reactive power power of pressure, and specific method is：
What starting-generating driving unit one side power take-off successively decreased being exported under drive signal effect since original frequency encourages
Magnetic reactive power gives the first double-winding asynchronous unit, first double-winding asynchronous the first breaker of power side output
Alternating voltage is gradually increasing, and the first double-winding asynchronous alternating voltage in the output of its power side rises to alternative electric generation target
Enter generating state during value, starting-generating driving unit exports the excitation reactive power power for maintaining current frequency to the first double winding
Asynchronous machine unit, the original frequency is higher than the frequency corresponding to the first double-winding asynchronous rotor speed；
What starting-generating driving unit opposite side power take-off successively decreased being exported under drive signal effect since original frequency
Excitation reactive power power gives the second double-winding asynchronous unit, second double-winding asynchronous the second breaker of power side output
The alternating current being gradually increasing is to rectifier bridge exchange side, the second double-winding asynchronous DC voltage in the output of rectification bridge DC side
Enter generating state when rising to DC generation desired value, the output of starting-generating driving unit maintain the excitation of current frequency without
Work(power gives the second double-winding asynchronous unit, and the original frequency is right higher than the second double-winding asynchronous rotor speed institute
The frequency answered.
3. a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system according to claim 1 or claim 2, special
Sign is, the starting-generating driving unit and the power take-off that the 3rd breaker is connected are to the first double-winding asynchronous list
Member control side exports so that the first double-winding asynchronous excitation that stable electric generation state is run in its range of speeds that generates electricity
Reactive power, starting-generating driving unit and the power take-off that the 4th breaker is connected are to the second double-winding asynchronous unit
Control side export so that second it is double-winding asynchronous run in its range of speeds that generates electricity the excitation of stable electric generation state without
Work(power, specific method are：
When first double-winding asynchronous rotating speed changes in its range of speeds that generates electricity, starting-generating driving unit is believed in driving
Number lower output frequency of effect is adapted with the first double-winding asynchronous rotating speed, amplitude is enough to maintain first double-winding asynchronous
The excitation reactive power power of constant output target alternating current gives the first double-winding asynchronous unit；
When second double-winding asynchronous rotating speed changes in its range of speeds that generates electricity, starting-generating driving unit is believed in driving
Number lower output frequency of effect and the second double-winding asynchronous rotating speed is adapted, amplitude is enough to maintain rectifier bridge constant output target
The excitation reactive power power of direct current gives the second double-winding asynchronous unit.
4. a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system according to claim 1, feature
It is, the starting-generating driving unit in the double-winding asynchronous alternating current-direct current starting-generating system includes：Startup power supply, two
Pole pipe, capacitance, two converters and breaker group, wherein,
The startup power supply anode connects diode anode, diode cathode, capacitance cathode plate and the arbitrary one side bridge of two converters
The points of common connection of arm is connected, the points of common connection of startup power supply cathode, capacitance negative plate and two converter opposite side bridge arms
It is connected, the output terminal terminal of a converter is connected through breaker group with the output terminal terminal of another converter.
5. a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system according to claim 4, feature
It is, in the starting-generating driving unit, bridge arm number and the first double-winding asynchronous phase that a converter includes
Number is identical, and the bridge arm number that another converter includes is identical with the second double-winding asynchronous number of phases, and each bridge arm is by going here and there
Two switching tubes composition of connection connection.
6. a kind of control method of double-winding asynchronous alternating current-direct current starting-generating system according to claim 5, feature
It is, in the converter, switching tube is connected to backward dioded between both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258892.4A CN105763114B (en) | 2016-04-25 | 2016-04-25 | A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258892.4A CN105763114B (en) | 2016-04-25 | 2016-04-25 | A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105763114A CN105763114A (en) | 2016-07-13 |
| CN105763114B true CN105763114B (en) | 2018-05-25 |
Family
ID=56324700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610258892.4A Active CN105763114B (en) | 2016-04-25 | 2016-04-25 | A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105763114B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217753B (en) * | 2018-09-25 | 2020-02-18 | 南京航空航天大学 | Topological structure of alternating current-direct current power generation system and control method |
| FR3087960B1 (en) * | 2018-10-31 | 2021-06-04 | Safran | ELECTRICAL ENERGY CONVERSION AND TRANSPORT SYSTEM FOR THE INTERNAL HYBRIDATION OF A TURBOREACTOR AIRCRAFT |
| CN110492796A (en) * | 2019-09-16 | 2019-11-22 | 沈阳工业大学 | A kind of heavy-duty motor operating mechanism control device and method |
| CN113815435B (en) * | 2021-09-03 | 2023-07-07 | 国机重工集团常林有限公司 | Power system of electric hydraulic excavator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728511A (en) * | 2005-07-27 | 2006-02-01 | 南京航空航天大学 | Method for designing and controlling asynchronous motor power generation system of stator duplex winding |
| CN101764566A (en) * | 2010-01-13 | 2010-06-30 | 南京航空航天大学 | Stator duplex winding asynchronous wind generating system and control method thereof |
| CN103326649A (en) * | 2013-05-29 | 2013-09-25 | 南京航空航天大学 | System and method for high-voltage direct-current starting and power generation of stator duplex winding asynchronous motor |
-
2016
- 2016-04-25 CN CN201610258892.4A patent/CN105763114B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728511A (en) * | 2005-07-27 | 2006-02-01 | 南京航空航天大学 | Method for designing and controlling asynchronous motor power generation system of stator duplex winding |
| CN101764566A (en) * | 2010-01-13 | 2010-06-30 | 南京航空航天大学 | Stator duplex winding asynchronous wind generating system and control method thereof |
| CN103326649A (en) * | 2013-05-29 | 2013-09-25 | 南京航空航天大学 | System and method for high-voltage direct-current starting and power generation of stator duplex winding asynchronous motor |
Non-Patent Citations (1)
| Title |
|---|
| 定子双绕组异步发电机航空变频交流发电系统不对称运行性能分析;庄圣伦等;《航空学报》;20141225;第35卷(第12期);第3415-3424页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105763114A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gan et al. | New integrated multilevel converter for switched reluctance motor drives in plug-in hybrid electric vehicles with flexible energy conversion | |
| CN105763114B (en) | A kind of control method of double-winding asynchronous alternating current-direct current starting-generating system | |
| CN204652078U (en) | A kind of wind electricity change paddle permanent magnet synchronous servo motor and control device thereof | |
| CN104660129B (en) | Switch reluctance wind driven generator control system and method | |
| CN102868346A (en) | Brushless doubly-fed motor excitation control system and control method using same | |
| CN104539206B (en) | Marine large-scale straight drive switching magnetic-resistance wind-driven generator power converter system | |
| CN105932714B (en) | Bi-motor wind-driven generator grid-connecting apparatus, wind-driven generator and grid-connected control method | |
| Bu et al. | Recent advances and developments in dual stator-winding induction generator and system | |
| CN102222939A (en) | Grid-connected control method and device by utilizing grid-side converter of doubly-fed wind-driven generator set | |
| CN102710200B (en) | Directly-drive wind power generation system composed of high temperature superconductive excitation magnetic flux switchover motor | |
| CN107911054A (en) | A kind of speed change pump-storage generator AC excitation system and unit self-start method | |
| CN101924508A (en) | Variable-frequency speed regulating system for starting high-power pumped storage unit | |
| CN109639204A (en) | Flywheel energy storage control system and control method based on ten two-phase permanent magnet synchronous motors | |
| JP2015511108A (en) | Operation method of electric unit for pumped storage power plant | |
| CN105790658B (en) | A kind of control method of double-winding asynchronous DC start electricity generation system | |
| CN102005935A (en) | Great-power wind-power integration convertor suitable for cage asynchronous generator | |
| CN108880363A (en) | Three-level formula brushless synchronous machine asynchronous starting control method and system | |
| CN107070333B (en) | A kind of switching magnetic-resistance wind-driven generator power inverter and its control method | |
| CN105763116B (en) | A kind of topological structure of double-winding asynchronous alternating current-direct current starting-generating system | |
| CN100463328C (en) | Rotating electromagnetic energy transformation device | |
| CN102025200B (en) | Slotless breeze-driven generator set | |
| CN204361682U (en) | The full direct current energy collecting system of a kind of wind energy turbine set | |
| CN113852318A (en) | New energy power generation direct drive system | |
| CN202320762U (en) | Electric system for marine shaft generator | |
| CN201466929U (en) | Dual-permanent magnet type brushless double-fed dual-mechanical port motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |