CN105763114A - Control method of duplex-winding asynchronous-motor alternating current and direct current starting power generation system - Google Patents
Control method of duplex-winding asynchronous-motor alternating current and direct current starting power generation system Download PDFInfo
- Publication number
- CN105763114A CN105763114A CN201610258892.4A CN201610258892A CN105763114A CN 105763114 A CN105763114 A CN 105763114A CN 201610258892 A CN201610258892 A CN 201610258892A CN 105763114 A CN105763114 A CN 105763114A
- Authority
- CN
- China
- Prior art keywords
- double
- winding asynchronous
- power
- starting
- generating
- 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.)
- Granted
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
Abstract
The invention discloses a control method of duplex-winding asynchronous-motor alternating current and direct current starting power generation system, especially relates to the duplex-winding asynchronous-motor alternating current and direct current starting power generation system used for providing power for a multi-electric aircraft and belongs to the alternating current and direct current mixing power generation technology field. The control method is characterized by detecting a high voltage shaft rotating speed, a low voltage shaft rotating speed, an alternating current power grid inlet wire voltage and a direct current power grid inlet wire voltage in real time; through generating a control strategy of a multi-electric engine in different rotating speed areas, realizing control to each breaker switch state in the duplex-winding alternating current and direct current starting power generation system and driving to a switch tube in starting power generation driving unit driving. A DWIG unit which is integrated on a multi-electric motor high voltage shaft is controlled to output an alternating current and simultaneously a DWIG unit which is integrated on a multi-electric motor low voltage shaft is controlled to output an alternating current. The alternating current output by the DWIG unit on the low voltage shaft is rectified so as to acquire a direct current so that alternating current and direct current supply of a multi-electric aircraft power supply is realized.
Description
Technical field
The invention discloses the control method of a kind of double-winding asynchronous alternating current-direct current starting-generating system, control double-winding asynchronous alternating current-direct current starting-generating system to electricity aviation power supply for more, belong to the technical field of alternating current-direct current mixed power generation.
Background technology
How electricity/electric aircraft is compared with conventional airplane, has simple in construction, an advantage such as lightweight, reliability is high and maintainability is good, obtains in recent years and develops rapidly, and aircraft power system proposes the new demand such as Large Copacity, high reliability.For meeting these requirements, more electric engin arises at the historic moment.So-called more electric engin, it is simply that by integrated for aerogenerator and be installed in the main steam turbine of electromotor, form built-in electromotor.According to the different factor such as size, rotating speed and working environment, optional high-pressure shaft or the low-pressure shaft that electromotor is integrated in more electric engin.The electromotor being integrated in high-pressure shaft has less size and higher rotating speed, therefore has start-up function, can as interior rotatable starter-generator；And the electromotor being integrated on low-pressure shaft has bigger size and relatively low rotating speed.
Aircraft power system experienced by the development of decades, from low-voltage DC origin system, constant speed frequency AC power system, variable speed constant frequency ac power supply system evolution high-voltage direct current (DC) power system by now and variable frequency AC power system, progressively achieve the requirements such as aircraft power system Large Copacity, high-performance, high power density, high efficiency, high reliability.Make a general survey of the development trend that the development of domestic and international aircraft power system, research and applicable cases, high-voltage direct current (DC) power system and variable frequency AC power system are aircraft power supplys.
The brainstrust in U.S. NASALewis research center in 1997 according to they for many years achievement in research point out for future aircraft power-supply system, squirrel cage induction motor, possible as aerogenerator, is worth comprehensively further investigation.About aviation asynchronous machine high-voltage direct current power generation system, China has also carried out correlational study work earlier.From 1998, the asynchronous high-voltage direct current power generation system of 270V three-phase cage was just studied, and have developed 18kW model machine by Nanjing Aero-Space University always.This further demonstrates that squirrel cage induction motor is applied to aircraft high-voltage direct current power generation system is feasible.Asynchronous motor power generation system of stator duplex winding is a kind of asychronous motor occurred in recent years.From professor OjoO. of Tennessee Polytechnics of the U.S. in 1999, asynchronous motor power generation system of stator duplex winding is proposed first, scholar both domestic and external has carried out stator double-winding asynchronous research one after another, the research worker of Nanjing Aero-Space University started again for aviation variable frequency alternating current power source from 2012, it is proposed that based on the aviation variable-frequency alternating current power generation system of DWIG.
The fast development of electricity/electric aircraft technology along with how, aircraft electric loading tends to variation, this just requires that aircraft generating system should provide frequency-changing AC electricity to the load that supply frequency is insensitive, carries the alternating current-direct current hybrid power source system of high voltage direct current again to the load that power supply has relatively high dynamic performance requirement.From existing research, domestic but without the research about many electricity airplane AC/DC electricity generation system control methods.
Summary of the invention
The technical problem to be solved is the deficiency for above-mentioned background technology, provide the control method of a kind of double-winding asynchronous alternating current-direct current starting-generating system, propose control method for by the double-winding asynchronous alternating current-direct current electricity generation system being applied to many electricity aircrafts, solve existing many electricity airplane AC/DC electricity generation systems and can not meet the technical problem of the need for electricity that aircraft electric loading variation brings.
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,
nullDescribed double-winding asynchronous alternating current-direct current starting-generating system，Including: the first double-winding asynchronous unit being integrated in more electric engin high-pressure shaft、The the second double-winding asynchronous unit being integrated on more electric engin low-pressure shaft、There is the starting-generating driver element of both sides power take-off、Rectifier bridge、First to fourth chopper，Described first double-winding asynchronous unit controls side the first chopper and is connected with the side power take-off of starting-generating driver element，First double-winding asynchronous cell power side the second chopper is connected with AC network inlet wire，Second double-winding asynchronous unit controls side the 3rd chopper and is connected with the opposite side power take-off of starting-generating driver element，Second double-winding asynchronous cell power side the 4th chopper is connected with rectifier bridge AC，Rectification side direct current side joint direct current network inlet wire，It is connected to chopper group between the both sides power take-off of described starting-generating driver element；
nullDescribed control method: adopt AC voltage sensor to detect the alternating voltage of the first double-winding asynchronous cell power side output in real time，Direct current voltage sensor is adopted to detect direct current network primary voltage in real time，The First Speed sensor being arranged in more electric engin high-pressure shaft is adopted to detect high-pressure shaft rotating speed in real time，The second speed sensor being arranged on more electric engin low-pressure shaft is adopted to detect low-pressure shaft rotating speed in real time，The alternating voltage that digital signal processor exports according to the first double-winding asynchronous cell power side、Direct current network primary voltage、High-pressure shaft rotating speed、Low-pressure shaft rotating speed generates the instruction corresponding to four rotating speed stage control strategies of more electric engin，The driving signal of starting-generating driver element is generated with digital signal processor output order for the drive circuit inputting signal，Starting-generating driver element is driving under signal function to first、Second double-winding asynchronous unit controls side provides power，
The control strategy in four rotating speed stages of more electric engin particularly as follows:
The control strategy of start-up period: DSP CONTROL the first chopper and chopper combination lock, the second to the 4th chopper keep gate-dividing state, starting-generating driver element controls side output excitation reactive power power and active power to the first double-winding asynchronous unit, the the first double-winding asynchronous dragging more electric engin high-pressure shaft operating in motoring condition rotates the speed of ignition to electromotor
Play the control strategy in trend generating conversion stage: DSP CONTROL the first breaker open operation, second to the 4th chopper keeps gate-dividing state, chopper component lock, starting-generating driver element stops controlling side output excitation reactive power power and active power to the first double-winding asynchronous unit, more electric engin high-pressure shaft drags the first double-winding asynchronous operation until the first double-winding asynchronous rotating speed gradually rises up to its generating rotating speed, more electric engin low-pressure shaft drags the second double-winding asynchronous operation until the second double-winding asynchronous rotating speed gradually rises up to its generating rotating speed,
The control strategy in pressure stage is built in generating: DSP CONTROL first to fourth breaker closing, chopper group keeps gate-dividing state, the side power take-off of starting-generating driver element controls side output through the first chopper to the first double-winding asynchronous unit to be enough to make the first double-winding asynchronous excitation reactive power power reliably building pressure, the opposite side power take-off of starting-generating driver element controls side output through the 3rd chopper to the second double-winding asynchronous unit to be enough to make the second double-winding asynchronous excitation reactive power power reliably building pressure, first, second double-winding asynchronous all operates in generating state,
nullThe control strategy in stable electric generation stage: DSP CONTROL first to fourth chopper keeps "on" position、Chopper group keeps gate-dividing state，The power take-off that starting-generating driver element and the first chopper connect controls side output to the first double-winding asynchronous unit makes the first double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，The power take-off that starting-generating driver element and the 3rd chopper connect controls side output to the second double-winding asynchronous unit makes the second double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，First double-winding asynchronous power side the second chopper constant output target alternating current，Second double-winding asynchronous power side the 4th chopper output AC is electric to rectifier bridge AC，Rectifier bridge DC side constant output target unidirectional current.
Further, described a kind of double-winding asynchronous alternating current-direct current starts in the control method of electricity generation system, the side power take-off of starting-generating driver element controls side output through the first chopper to the first double-winding asynchronous unit to be enough to make the first double-winding asynchronous excitation reactive power power reliably building pressure, the opposite side power take-off of starting-generating driver element controls side output through the 3rd chopper to the second double-winding asynchronous unit to be enough to make the second double-winding asynchronous excitation reactive power power reliably building pressure, and concrete method is:
Starting-generating driver element side power take-off exports the excitation reactive power power starting to successively decrease from original frequency under signal function to the first double-winding asynchronous unit driving, the alternating voltage of first double-winding asynchronous power side the second chopper output is gradually increasing, the first double-winding asynchronous alternating voltage in the output of its power side enters generating state when rising to alternative electric generation desired value, the output of starting-generating driver element maintains the excitation reactive power power of ongoing frequency to the first double-winding asynchronous unit, described original frequency is higher than the frequency corresponding to the first double-winding asynchronous rotor speed；
Starting-generating driver element opposite side power take-off exports the excitation reactive power power starting to successively decrease from original frequency under signal function to the second double-winding asynchronous unit driving, the alternating current that second double-winding asynchronous power side the 4th chopper output is gradually increasing is to rectifier bridge AC, the second double-winding asynchronous DC voltage in the output of rectifier bridge DC side enters generating state when rising to DC generation desired value, the output of starting-generating driver element maintains the excitation reactive power power of ongoing frequency to the second double-winding asynchronous unit, described original frequency is higher than the frequency corresponding to the second double-winding asynchronous rotor speed.
nullFurther，Described a kind of double-winding asynchronous alternating current-direct current starts in the control method of electricity generation system，The power take-off that starting-generating driver element and the first chopper connect controls side output to the first double-winding asynchronous unit and makes the first double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，The power take-off that starting-generating driver element and the 3rd chopper connect controls side output to the second double-winding asynchronous unit and makes the second double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，Concrete method is: the first double-winding asynchronous rotating speed is in its generating range of speeds during change，Starting-generating driver element output frequency and first double-winding asynchronous rotating speed under driving signal function adapt、Amplitude is enough to the excitation reactive power power maintaining the first double-winding asynchronous constant output target alternating current to the first double-winding asynchronous unit；
Second double-winding asynchronous rotating speed in its generating range of speeds during change, starting-generating driver element under driving signal function output frequency with the second double-winding asynchronous rotating speed adapts, amplitude is enough to maintain rectifier bridge constant output target galvanic excitation reactive power power to the second double-winding asynchronous unit.
Further prioritization scheme as the control method of described a kind of double-winding asynchronous alternating current-direct current starting-generating system, starting-generating driver element in double-winding asynchronous alternating current-direct current starting-generating system includes: startup power supply, diode, electric capacity, two changers and chopper group, wherein
Described startup power supply positive pole connects diode anode, the points of common connection of diode cathode, capacitance cathode plate and two any side of changer brachium pontis is connected, the points of common connection of startup power supply negative pole, electric capacity negative plate and two changer opposite side brachium pontis is connected, and the outfan terminal of a changer is connected with the outfan terminal of another changer through chopper group.
Further prioritization scheme as the control method of described a kind of double-winding asynchronous alternating current-direct current starting-generating system, in starting-generating driver element, brachium pontis number that one changer comprises and the first double-winding asynchronous number of phases are identical, brachium pontis number that another changer comprises and the second double-winding asynchronous number of phases are identical, and each brachium pontis is made up of two switching tubes being connected in series.
As the further prioritization scheme of the control method of described a kind of double-winding asynchronous alternating current-direct current starting-generating system, in changer, switching tube is connected to backward diode between two ends.
The present invention adopts technique scheme, has the advantages that
nullPropose the control method of a kind of many electricity airplane AC/DC electricity generation systems，In particular for the control method by the double-winding asynchronous alternating current-direct current starting-generating system being applied to many electricity aircrafts，Fill up the blank of existing research，Detection high-pressure shaft rotating speed in real time、Low-pressure shaft rotating speed、The alternating voltage of the first double-winding asynchronous cell power side output、Direct current network primary voltage，Realize the control of each circuit breaker switch state and driving to starting-generating driver element breaker in middle pipe in double winding alternating current-direct current starting-generating system by generating control strategy in more electric engin different rotating speeds region，It is integrated in many electricity motor high-pressure shaft while DWIG unit output AC electricity in control，Control to be integrated in DWIG unit output AC electricity on many electricity motor low-pressure shafts，DWIG unit output AC electric rectification on low-pressure shaft is obtained unidirectional current，Achieve the alternating current-direct current supply of many electricity aircraft power supplys.
Accompanying drawing explanation
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 driver element.
nullNumber in the figure illustrates: 1、First is double-winding asynchronous，2、Second is double-winding asynchronous，3、Starting-generating driver element，4、Rectifier bridge，5、First filter inductance，6、Second filter inductance，7、First exciting capacity，8、Second exciting capacity，9、Dc-link capacitance，10、AC network，11、Direct current network，12、First chopper，13、Second chopper，14、3rd chopper，15、4th chopper，16、Digital signal processor，17、Drive circuit，18、AC voltage sensor，19、Direct current voltage sensor，20、First Speed sensor，21、Second speed sensor，S1、First switch，S2、Second switch，S3、3rd switch，S4、4th switch，S5、5th switch，S6、6th switch，S7、7th switch，S8、8th switch，S9、9th switch，S10、Tenth switch，S11、11st switch，S12、Twelvemo is closed，B5、5th chopper，B6、6th chopper，B7、7th chopper，P、Startup power supply，D、Diode，C、Electric capacity.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail.
Double-winding asynchronous alternating current-direct current starting-generating system is as it is shown in figure 1, include: be integrated in first double-winding asynchronous 1, first filter inductance the 5, first chopper the 12, second chopper the 13, first exciting capacity 7 in many electricity aircraft more electric engin high-pressure shaft, starting-generating driver element 3, second double-winding asynchronous 2, second filter inductance the 6, the 3rd chopper the 14, the 4th chopper the 15, second exciting capacity 8 being integrated on many electricity aircraft more electric engin low-pressure shafts, rectifier bridge 4, dc-link capacitance 9.First double-winding asynchronous 1, first filter inductance the 5, first chopper the 12, second chopper the 13, first exciting capacity 7 composition is integrated in the double-winding asynchronous alternative electric generation unit in many electricity aircraft more electric engin high-pressure shaft, second double-winding asynchronous 2, second filter inductance the 6, the 3rd chopper the 14, the 4th chopper the 15, second exciting capacity 8, rectifier bridge 4, dc-link capacitance 9 composition is integrated in the double-winding asynchronous DC generation unit on many electricity aircraft more electric engin low-pressure shafts, and starting-generating driver element 3 has both sides power take-off.
nullThe outlet of the first double-winding asynchronous 1 power winding is in parallel with the first exciting capacity 7 through the second chopper 13，First double-winding asynchronous 1 power winding is directly connected with AC network 10 when the second chopper 13 closes，First double-winding asynchronous 1 outlet controlling winding is connected with one end of the first filter inductance 5，First filter inductance 5 other end is connected with starting-generating driver element 3 side power output terminal through the first chopper 12，Starting-generating driver element 3 opposite side power output terminal is connected with being connected on the second double-winding asynchronous 2 the second filter inductance 6 controlled in winding outlet through the 3rd chopper 14，The outlet of the second double-winding AC-DC generator 2 power winding is connected with the AC of rectifier bridge 4 through the 4th chopper 15，The DC side parallel of rectifier bridge 4 has dc-link capacitance 9，The DC side of rectifier bridge 4 is connected with direct current network 11.
Starting-generating driver element is as shown in Figure 2, including: first switch S1, second switch S2, the 3rd switch S3, the 4th switch S4, the 5th switch S5, the 6th switch S6 composition a changer, 7th switch S7, the 8th switch S8, the 9th switch S9, the tenth switch S10, the 11st switch S11, twelvemo close another changer of S12 composition, the chopper group that 5th chopper B5, the 6th chopper B6, the 7th chopper B7 form, and startup power supply P, diode D, electric capacity C.First switch S1, second switch S2 of series connection forms a phase brachium pontis, 3rd switch S3 of series connection, the 4th switch S4 form a phase brachium pontis, 5th switch S5 of series connection, the 6th switch S6 form a phase brachium pontis, 7th switch S7 of series connection, the 8th switch S8 form a phase brachium pontis, 9th switch S9 of series connection, the tenth switch S10 form a phase brachium pontis, and the 11st switch S11 of series connection, twelvemo are closed S12 and formed a phase brachium pontis.It is connected in parallel on the electric capacity C of the input side of two changers, startup power supply P and the series arm of diode D composition and the starting-generating driver element of six phase brachium pontis one symmetrical structure of composition of parallel connection.Tri-junction points of a, b, c draw the side AC output terminal (being side power output terminal) of starting-generating driver element, and tri-junction points of d, e, f draw the opposite side AC output terminal (being opposite side power output terminal) of starting-generating driver element.Tri-junction points of a, b, c connect respectively through the 5th chopper B5, the 6th chopper B6, the 7th chopper B7 and d, tri-junction points of e, f.This starting-generating driver element has the advantage that starting-generating is difunctional, power density is high, two changers for first, second double-winding asynchronous offer excitation reactive power power and active power when system start, make two sub-short circuits of converter output terminal by close circuit breaker group and export excitation reactive power power and active power from starting-generating driver element side outfan, when system generates electricity, two converter output terminals are respectively as the both sides outfan output excitation reactive power power of starting-generating driver element.
In system shown in Figure 1, first, second double-winding asynchronous is three phase electric machine, the second double-winding asynchronous motor that can also select other number of phases, correspondingly, also identical with the second double-winding asynchronous number of phases with the rectifier bridge number of phases that the second double-winding asynchronous power side connects to the changer number of phases of the second double-winding asynchronous offer power.When the second double-winding asynchronous number of phases is more than three, driving the chopper group in generating driver element to include three choppers, each phase brachium pontis midpoint of the changer that be connected double-winding asynchronous with first connects respectively through three-phase brachium pontis midpoint in a chopper and the changer being connected double-winding asynchronous with second.
nullThe control method of electricity generation system as indicated with 1，AC voltage sensor 18 is adopted to detect the alternating voltage of the first double-winding asynchronous cell power side output in real time，Direct current voltage sensor 19 is adopted to detect direct current network primary voltage in real time，The First Speed sensor 20 being arranged in more electric engin high-pressure shaft is adopted to detect high-pressure shaft rotating speed in real time，The second speed sensor 21 being arranged on more electric engin low-pressure shaft is adopted to detect low-pressure shaft rotating speed in real time，The alternating voltage that digital signal processor 16 exports according to the first double-winding asynchronous cell power side、Direct current network primary voltage、High-pressure shaft rotating speed、Low-pressure shaft rotating speed generates the instruction corresponding to four rotating speed stage control strategies of more electric engin，The driving signal of starting-generating driver element is generated with digital signal processor output order for the drive circuit 17 inputting signal，Starting-generating driver element is driving under signal function to first、Second double-winding asynchronous unit provides power.Digital signal processor rotary speed area belonging to engine speed selects corresponding control strategy, is broadly divided into: pressure stage, stable electric generation stage are built in start-up period, a stage of trend generating conversion, generating.
Control strategy at start-up period: DSP CONTROL the first breaker closing, second breaker open operation, 3rd breaker open operation, 4th breaker open operation, chopper combination lock, both sides three-phase brachium pontis output short circuit in starting-generating driver element, starting-generating driver element side three-phase brachium pontis exports through the first chopper, first filter inductance provides excitation reactive power power and active power to the first double-winding asynchronous control winding, the the first double-winding asynchronous dragging more electric engin high-pressure shaft now operating in motoring condition rotates the speed of ignition to electromotor.
Control strategy playing the trend generating conversion stage: DSP CONTROL the first breaker open operation, second breaker open operation, 3rd breaker open operation, 4th breaker open operation, chopper component lock, starting-generating driver element stops providing excitation reactive power power and active power to the first double-winding asynchronous control winding, now high-pressure shaft drags the first double-winding asynchronous operation until the first double-winding asynchronous rotating speed gradually rises up to its generating rotating speed, low-pressure shaft drags the second double-winding asynchronous operation until the second double-winding asynchronous rotating speed gradually rises up to its generating rotating speed.
nullThe control strategy in pressure stage is built: DSP CONTROL the first breaker closing in generating、Second breaker closing、3rd breaker closing，4th breaker closing、Chopper group keeps gate-dividing state，Side three-phase brachium pontis in starting-generating driver element exports through the first chopper、First filter inductance provides foot to start the excitation reactive power power successively decreased from original frequency (frequency slightly above corresponding to the first double-winding asynchronous rotor speed) to the first double-winding asynchronous control winding，The alternating voltage that first double-winding asynchronous power winding exports through the second chopper is gradually increasing，The first double-winding asynchronous alternating voltage in the output of its power winding enters generating state when rising to alternative electric generation desired value 115V，The output of starting-generating driver element maintains the excitation reactive power power of ongoing frequency to the first double-winding asynchronous unit，Opposite side three-phase brachium pontis in starting-generating driver element exports through the 3rd chopper、Second filter inductance starts the excitation reactive power power successively decreased to the control winding offer of low-pressure shaft double-winding AC-DC generator from original frequency (frequency slightly above corresponding to the second double-winding asynchronous rotor speed)，Second double-winding asynchronous power winding is through the 4th chopper alternating current that is gradually increasing of output to rectifier bridge AC，The second double-winding asynchronous DC voltage in the output of rectifier bridge DC side enters generating state when rising to DC generation desired value 270V，The output of starting-generating driver element maintains the excitation reactive power power of ongoing frequency to the second double-winding asynchronous unit.
nullThe control strategy in stable electric generation stage: DSP CONTROL the first breaker closing、Second breaker closing、3rd breaker closing、4th breaker closing、Chopper component lock，Side three-phase brachium pontis in starting-generating driver element exports through the first chopper、First filter inductance double-winding asynchronous control winding output to first and makes the first double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds (when first double-winding asynchronous rotating speed change in its generating range of speeds，Starting-generating driver element output frequency and first double-winding asynchronous rotating speed under driving signal function adapt、Amplitude is enough to the excitation reactive power power maintaining the first double-winding asynchronous constant output target alternating current to the first double-winding asynchronous unit)，Opposite side three-phase brachium pontis in starting-generating driver element exports through the 3rd chopper、Second filter inductance double-winding asynchronous control winding output to second and makes the second double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds (when second double-winding asynchronous rotating speed change in its generating range of speeds，Starting-generating driver element output frequency and second double-winding asynchronous rotating speed under driving signal function adapt、Amplitude is enough to maintain rectifier bridge constant output target galvanic excitation reactive power power to the second double-winding asynchronous unit)，First double-winding asynchronous power winding is through the second chopper constant output target alternating current，Second double-winding asynchronous power winding is through the 4th chopper output AC electricity to rectifier bridge AC，Rectifier bridge DC side constant output target unidirectional current，Now，Be integrated in high-pressure shaft first double-winding asynchronous and be integrated on low-pressure shaft second double-winding asynchronous all operate in generating state，System output AC/DC electric energy，Disclosure satisfy that the diversified need for electricity of many electricity aircrafts.
Claims (6)
1. the control method of a double-winding asynchronous alternating current-direct current starting-generating system, it is characterised in that
nullDescribed double-winding asynchronous alternating current-direct current starting-generating system，Including: the first double-winding asynchronous unit being integrated in more electric engin high-pressure shaft、The the second double-winding asynchronous unit being integrated on more electric engin low-pressure shaft、There is the starting-generating driver element of both sides power take-off、Rectifier bridge、First to fourth chopper，Described first double-winding asynchronous unit controls side the first chopper and is connected with the side power take-off of starting-generating driver element，First double-winding asynchronous cell power side the second chopper is connected with AC network inlet wire，Second double-winding asynchronous unit controls side the 3rd chopper and is connected with the opposite side power take-off of starting-generating driver element，Second double-winding asynchronous cell power side the 4th chopper is connected with rectifier bridge AC，Rectification side direct current side joint direct current network inlet wire，It is connected to chopper group between the both sides power take-off of described starting-generating driver element；
nullDescribed control method: adopt AC voltage sensor to detect the alternating voltage of the first double-winding asynchronous cell power side output in real time，Direct current voltage sensor is adopted to detect direct current network primary voltage in real time，The First Speed sensor being arranged in more electric engin high-pressure shaft is adopted to detect high-pressure shaft rotating speed in real time，The second speed sensor being arranged on more electric engin low-pressure shaft is adopted to detect low-pressure shaft rotating speed in real time，The alternating voltage that digital signal processor exports according to the first double-winding asynchronous cell power side、Direct current network primary voltage、High-pressure shaft rotating speed、Low-pressure shaft rotating speed generates the instruction corresponding to four rotating speed stage control strategies of more electric engin，The driving signal of starting-generating driver element is generated with digital signal processor output order for the drive circuit inputting signal，Starting-generating driver element is driving under signal function to first、Second double-winding asynchronous unit controls side provides power，
The control strategy in four rotating speed stages of more electric engin particularly as follows:
The control strategy of start-up period: DSP CONTROL the first chopper and chopper combination lock, the second to the 4th chopper keep gate-dividing state, starting-generating driver element controls side output excitation reactive power power and active power to the first double-winding asynchronous unit, the the first double-winding asynchronous dragging more electric engin high-pressure shaft operating in motoring condition rotates the speed of ignition to electromotor
Play the control strategy in trend generating conversion stage: DSP CONTROL the first breaker open operation, second to the 4th chopper keeps gate-dividing state, chopper component lock, starting-generating driver element stops controlling side output excitation reactive power power and active power to the first double-winding asynchronous unit, more electric engin high-pressure shaft drags the first double-winding asynchronous operation until the first double-winding asynchronous rotating speed gradually rises up to its generating rotating speed, more electric engin low-pressure shaft drags the second double-winding asynchronous operation until the second double-winding asynchronous rotating speed gradually rises up to its generating rotating speed,
The control strategy in pressure stage is built in generating: DSP CONTROL first to fourth breaker closing, chopper group keeps gate-dividing state, the side power take-off of starting-generating driver element controls side output through the first chopper to the first double-winding asynchronous unit to be enough to make the first double-winding asynchronous excitation reactive power power reliably building pressure, the opposite side power take-off of starting-generating driver element controls side output through the 3rd chopper to the second double-winding asynchronous unit to be enough to make the second double-winding asynchronous excitation reactive power power reliably building pressure, first, second double-winding asynchronous all operates in generating state,
nullThe control strategy in stable electric generation stage: DSP CONTROL first to fourth chopper keeps "on" position、Chopper group keeps gate-dividing state，The power take-off that starting-generating driver element and the first chopper connect controls side output to the first double-winding asynchronous unit makes the first double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，The power take-off that starting-generating driver element and the 3rd chopper connect controls side output to the second double-winding asynchronous unit makes the second double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，First double-winding asynchronous power side the second chopper constant output target alternating current，Second double-winding asynchronous power side the 4th chopper output AC is electric to rectifier bridge AC，Rectifier bridge DC side constant output target unidirectional current.
2. a kind of double-winding asynchronous alternating current-direct current starts the control method of electricity generation system according to claim 1, it is characterized in that, the side power take-off of described starting-generating driver element controls side output through the first chopper to the first double-winding asynchronous unit to be enough to make the first double-winding asynchronous excitation reactive power power reliably building pressure, the opposite side power take-off of starting-generating driver element controls side output through the 3rd chopper to the second double-winding asynchronous unit to be enough to make the second double-winding asynchronous excitation reactive power power reliably building pressure, concrete method is:
Starting-generating driver element side power take-off exports the excitation reactive power power starting to successively decrease from original frequency under signal function to the first double-winding asynchronous unit driving, the alternating voltage of first double-winding asynchronous power side the second chopper output is gradually increasing, the first double-winding asynchronous alternating voltage in the output of its power side enters generating state when rising to alternative electric generation desired value, the output of starting-generating driver element maintains the excitation reactive power power of ongoing frequency to the first double-winding asynchronous unit, described original frequency is higher than the frequency corresponding to the first double-winding asynchronous rotor speed；
Starting-generating driver element opposite side power take-off exports the excitation reactive power power starting to successively decrease from original frequency under signal function to the second double-winding asynchronous unit driving, the alternating current that second double-winding asynchronous power side the 4th chopper output is gradually increasing is to rectifier bridge AC, the second double-winding asynchronous DC voltage in the output of rectifier bridge DC side enters generating state when rising to DC generation desired value, the output of starting-generating driver element maintains the excitation reactive power power of ongoing frequency to the second double-winding asynchronous unit, described original frequency is higher than the frequency corresponding to the second double-winding asynchronous rotor speed.
null3. a kind of double-winding asynchronous alternating current-direct current according to claim 1 or claim 2 starts the control method of electricity generation system，It is characterized in that，The power take-off that described starting-generating driver element and the first chopper connect controls side output to the first double-winding asynchronous unit and makes the first double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，The power take-off that starting-generating driver element and the 3rd chopper connect controls side output to the second double-winding asynchronous unit and makes the second double-winding asynchronous excitation reactive power power running on stable electric generation state in its generating range of speeds，Concrete method is: the first double-winding asynchronous rotating speed is in its generating range of speeds during change，Starting-generating driver element output frequency and first double-winding asynchronous rotating speed under driving signal function adapt、Amplitude is enough to the excitation reactive power power maintaining the first double-winding asynchronous constant output target alternating current to the first double-winding asynchronous unit；
Second double-winding asynchronous rotating speed in its generating range of speeds during change, starting-generating driver element under driving signal function output frequency with the second double-winding asynchronous rotating speed adapts, amplitude is enough to maintain rectifier bridge constant output target galvanic excitation reactive power power to the second double-winding asynchronous unit.
4. the control method of a kind of double-winding asynchronous alternating current-direct current starting-generating system according to claim 1, it is characterized in that, starting-generating driver element in described double-winding asynchronous alternating current-direct current starting-generating system includes: startup power supply, diode, electric capacity, two changers and chopper group, wherein
Described startup power supply positive pole connects diode anode, the points of common connection of diode cathode, capacitance cathode plate and two any side of changer brachium pontis is connected, the points of common connection of startup power supply negative pole, electric capacity negative plate and two changer opposite side brachium pontis is connected, and the outfan terminal of a changer is connected with the outfan terminal of another changer through chopper group.
5. the control method of a kind of double-winding asynchronous alternating current-direct current starting-generating system according to claim 4, it is characterized in that, in described starting-generating driver element, brachium pontis number that one changer comprises and the first double-winding asynchronous number of phases are identical, brachium pontis number that another changer comprises and the second double-winding asynchronous number of phases are identical, and each brachium pontis is made up of two switching tubes being connected in series.
6. the control method of a kind of double-winding asynchronous alternating current-direct current starting-generating system according to claim 5, it is characterised in that in described changer, switching tube is connected to backward diode between two 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 true CN105763114A (en) | 2016-07-13 |
| CN105763114B 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217753A (en) * | 2018-09-25 | 2019-01-15 | 南京航空航天大学 | A kind of topological structure and control method of alternating current-direct current electricity generation system |
| 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 |
| CN112888633A (en) * | 2018-10-31 | 2021-06-01 | 赛峰集团 | System for internally mixed conversion and transmission of electrical energy for aircraft with turbojet engine |
| CN113815435A (en) * | 2021-09-03 | 2021-12-21 | 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 |
|---|
| 庄圣伦等: "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", 《航空学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217753A (en) * | 2018-09-25 | 2019-01-15 | 南京航空航天大学 | A kind of topological structure and control method of alternating current-direct current electricity generation system |
| 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 |
| CN112888633A (en) * | 2018-10-31 | 2021-06-01 | 赛峰集团 | System for internally mixed conversion and transmission of electrical energy for aircraft with turbojet engine |
| CN112888633B (en) * | 2018-10-31 | 2023-09-22 | 赛峰集团 | System for converting and delivering electrical energy for an 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 |
| CN113815435A (en) * | 2021-09-03 | 2021-12-21 | 国机重工集团常林有限公司 | Power system of electric hydraulic excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105763114B (en) | 2018-05-25 |
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 | |
| CN101958674B (en) | Winding open-circuit type permanent magnet motor vehicle starting and generating system and control method | |
| Elbuluk et al. | Potential starter/generator technologies for future aerospace applications | |
| CN101304234B (en) | Power converters | |
| CN104702186A (en) | Hybrid excitation type variable frequency AC starting generating system and control method thereof | |
| CN104660129B (en) | Switch reluctance wind driven generator control system and method | |
| Elbuluk et al. | Potential starter/generator technology for future aerospace application | |
| CN105763114A (en) | Control method of duplex-winding asynchronous-motor alternating current and direct current starting power generation system | |
| CN107911054A (en) | A kind of speed change pump-storage generator AC excitation system and unit self-start method | |
| JP2017093287A (en) | Multiphase electrical machine and method of use | |
| CN102420560B (en) | Excitation structure and alternating-current and direct-current excitation control method for frequency-variable alternating-current starting power generation system | |
| JP2015511108A (en) | Operation method of electric unit for pumped storage power plant | |
| CN104993580B (en) | Oil electricity mixed DC electric supply installation | |
| CN105790658B (en) | A kind of control method of double-winding asynchronous DC start electricity generation system | |
| JP5822697B2 (en) | Power generation system and operation control method thereof | |
| CN106870236B (en) | A kind of digital electricity generating system unit starting accumulator plant | |
| CN104378034B (en) | The operation control system of brushless ac compound rectifier excitation brshless DC motor | |
| CN105763116B (en) | A kind of topological structure of double-winding asynchronous alternating current-direct current starting-generating system | |
| CN106864715A (en) | Double-fed type ship mixing axle translator unit starts the system and method with propulsion | |
| CN204334399U (en) | The operation control system of brushless ac compound rectifier excitation brshless DC motor | |
| JP3712895B2 (en) | Mechanical power generation system using solar cells | |
| Elbuluk et al. | Potential starter/generator technologies for future aerospace applications | |
| CN201869080U (en) | Flywheel energy storage motor device with changeable power supply structure | |
| CN110401216A (en) | A kind of double-fed fan motor unit grid-connecting apparatus | |
| CN113852318A (en) | New energy power generation direct drive system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |