CN107919822A - A kind of starting-generating system based on double active bridges - Google Patents
A kind of starting-generating system based on double active bridges Download PDFInfo
- Publication number
- CN107919822A CN107919822A CN201711233987.1A CN201711233987A CN107919822A CN 107919822 A CN107919822 A CN 107919822A CN 201711233987 A CN201711233987 A CN 201711233987A CN 107919822 A CN107919822 A CN 107919822A
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- China
- Prior art keywords
- starting
- permanent magnetic
- motor
- synchronous motor
- speed permanent
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/20—Arrangements for starting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/22—Current control, e.g. using a current control loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/022—Synchronous motors
- H02P25/024—Synchronous motors controlled by supply frequency
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/28—Arrangements for controlling current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention belongs to airplane power source technical field, is related to a kind of starting-generating system based on double active bridges.The present invention is used high-speed permanent magnetic synchronous motor, utilizes the way traffic principle of motor using 270V high voltage direct current as starting-generating system power supply system, the starter-generator of starting-generating system, it is possible to achieve starting and generating function.The rare earth permanent-magnetic material that magneto uses has very high magnetic energy product, can substantially reduce the weight of motor, reduce the volume of motor, while motor service life is grown, and reliability and maintainability are high.High-speed permanent magnetic synchronous motor control technology is ripe, using Digital Control, it can be achieved that motor output torque controls；The present invention has the advantages that capacity is big, generating efficiency is high, small, light-weight, reliability is high and life cycle cost is low etc..
Description
Technical field
The invention belongs to airplane power source technical field, is related to a kind of starting-generating system based on double active bridges.
Background technology
At present, at home and abroad in aviation power system, 28V low-voltage dc power supplies systematic difference relative maturity, and hand over
Stream power-supply system and high-voltage direct current are in conceptual phase mostly.Traditional starting-generating system is driven using starter controller
Starter-generator come realize engine start, after the completion of starting starter controller disengage, starting-generating is controlled by electricity generating controller
Machine generates electricity, and actuating system need to additionally configure motor controller on machine, thus causes control network, the complexity of communication network
Property, and make the weight and volume of aircraft airborne equipment larger, reduce aircraft reliability of operation.With on aircraft, electricity consumption is set
Standby high-intelligentization, automation and the realization of electric aircraft, it is desirable to which aircraft power system being capable of output high-power, the electricity of high quality
Can, it is also necessary to improve system power to weight ratio.
The content of the invention
The purpose of the present invention
1) 270V direct current supply systems are used；
2) using high-speed permanent magnetic synchronous motor as starter-generator；
3) realized using reversible transducer and start, is generating integrated.
Technical scheme
A kind of starting-generating system based on double active bridges, including engine, high-speed permanent magnetic synchronous motor, starting-generating control
Device processed, startup power supply, use electric loading；System works in starting operation state first, connects 270V DC start power supplys, by rising
Dynamic electricity generating controller carries out inversion, and three-phase alternating current is provided to high-speed permanent magnetic synchronous motor threephase armature winding, produces electromagnetism and turns
Square, starts engine to disengaging rotating speed；After starting process, startup power supply is disconnected, engine is initially as at a high speed forever at this time
The driving energy source of magnetic-synchro motor, it is rapid to drive high-speed permanent magnetic synchronous motor to accelerate rotation to be transported to rated speed into power generation
Row state；It is characterized in that, the three-phase alternating current that high-speed permanent magnetic synchronous motor is sent carries out rectification by three-phase inverter first,
Again 270V direct currents are transformed to by double active bridging parallel operations.
Three-phase inverter in the starter controller works in inverter mode, using based on rotor field-oriented vector
Control algolithm, is modulated using space vector pulse width modulation mode, and threephase armature electricity is provided to high-speed permanent magnetic synchronous motor
Stream, starts engine to disengaging rotating speed.
The three-phase alternating current that the high-speed permanent magnetic synchronous motor is sent passes through the fly-wheel diode in three-phase inverter first
The uncontrollable rectification of three-phase is carried out, then power converter is carried out as stable 270V direct currents by double active bridging parallel operations..
Beneficial effects of the present invention
1) using 270V high voltage direct current be used as starting-generating system power supply system, make system have capacity greatly, generating efficiency
High, small, light-weight, reliability is high and the advantages such as life cycle cost is low；
2) starter-generator of starting-generating system uses high-speed permanent magnetic synchronous motor, former using the way traffic of motor
Reason, it is possible to achieve starting and generating function.The rare earth permanent-magnetic material that magneto uses has very high magnetic energy product, can be obvious
Reduce the weight of motor, reduce the volume of motor, while motor service life is grown, reliability and maintainability are high.High-speed permanent magnetic is same
It is ripe to walk electric machines control technology, using Digital Control, it can be achieved that motor output torque controls；
3) starting-generating controller includes three-phase inverter and double active bridging parallel operation two parts, can both realize energy
Bi-directional, can also realize electrical isolation.Starter controller shares one under the pattern of starting and power generation mode both of which
A controller, realizes controller starting, the integration of generating function, improves power system capacity and power quality, reduce at the same time
System bulk, improves system power to weight ratio.
Brief description of the drawings
Fig. 1 is 270V high voltage direct current starting-generating system block diagrams
Fig. 2 is starting-generating controller electrical schematic diagram
Embodiment
The present invention is described in detail below in conjunction with attached drawing：
Attached drawing 1 describes 270V high voltage direct current starting-generating system block diagrams.System includes the synchronous electricity of engine, high-speed permanent magnetic
Machine, starting-generating controller, startup power supply, with electric loading etc..
System works in starting operation state, mechanical load of the engine as permanent magnet synchronous motor first.Connect 270V
DC start power supply, carries out power converter by starting-generating controller, is carried to high-speed permanent magnetic synchronous motor threephase armature winding
For three-phase alternating current, electromagnetic torque is produced, starts engine to disengaging rotating speed.
After starting process, ground power supply, connection electric loading are disconnected.Engine is same initially as high-speed permanent magnetic at this time
The driving energy source of motor is walked, it is rapid to drive high-speed permanent magnetic synchronous motor to accelerate rotation to rated speed, into generator operation shape
State.The three-phase alternating current that high-speed permanent magnetic synchronous motor is sent carries out power converter by starting-generating controller, to using electric loading
Stable 270V high voltage direct currents are provided.
Attached drawing 2 describes starting-generating controller electrical schematic diagram, starting-generating controller mainly include control circuit and
Main power circuit two parts.
Control circuit mainly has the function of signal acquisition, fault detect, error protection, control system starting/power generation etc..
DSP minimum systems are according to signals such as rotating speed, the electric currents for collecting high-speed permanent magnetic synchronous motor, using vector control algorithm, dual
Phase shifting control algorithm, the break-make of switching tube in starting-generating converter is controlled by switch tube driving circuit, is realized and is started, generates electricity
And the function such as fault detect protection.
For main power circuit using double active bridging parallel operation and three-phase inverter two-stage combinatorial topologies, 2 stage converter can be single
Solely control, flexibility is high, and control is simple.Double active bridging parallel operation power densities are big, without extra filter inductance, only pass through change
For the leakage inductance of depressor as energy transmission unit, switching tube stress is relatively low, occupies in volume, weight, efficiency etc. very big excellent
Gesture.Circuit structure is symmetrical, and two full-bridge circuits are connected to by high frequency transformer, can realize bidirectional power transmission and reality
The electrical isolation of existing both sides.Three-phase inverter can be operated in rectification mode and inverter mode, can also realize the two-way of energy
Flowing.
System is worked in during starting operation, and energy is transmitted by the lateral exchange side of direct current.Three-phase in starter controller
Converter works in inverter mode, using based on rotor field-oriented vector control algorithm, utilizes space vector pulse width modulation
Mode is modulated, and gives high-speed permanent magnetic synchronous motor to provide threephase armature electric current, starts engine to disengaging rotating speed.
System is worked in during generator operation, and energy is transmitted by exchanging lateral DC side.High-speed permanent magnetic synchronous motor is sent out
The three-phase alternating current gone out carries out the uncontrollable rectification of three-phase by the fly-wheel diode in three-phase inverter first, then by double active
Bridging parallel operation carries out power converter as stable 270V direct currents.Double active bridging parallel operations use dual phase shifting control algorithm, protect
The no-voltage for demonstrate,proving each switching tube turns on and off, and reduces switching loss, while can also reduce reactive circular power flow and current peak,
The efficiency of transmission of converter is improved, improves power quality.
Claims (3)
1. a kind of starting-generating system based on double active bridges, including the control of engine, high-speed permanent magnetic synchronous motor, starting-generating
Device, startup power supply, use electric loading；System works in starting operation state first, connects 270V DC start power supplys, passes through starting
Electricity generating controller carries out inversion, provides three-phase alternating current to high-speed permanent magnetic synchronous motor threephase armature winding, produces electromagnetic torque,
Engine is started to disengaging rotating speed；After starting process, startup power supply is disconnected, engine is same initially as high-speed permanent magnetic at this time
The driving energy source of motor is walked, it is rapid to drive high-speed permanent magnetic synchronous motor to accelerate rotation to rated speed, into generator operation shape
State；It is characterized in that, the three-phase alternating current that high-speed permanent magnetic synchronous motor is sent carries out rectification by three-phase inverter first, then lead to
Cross double active bridging parallel operations and be transformed to 270V direct currents.
2. the starting-generating system as claimed in claim 1 based on double active bridges, it is characterised in that in the starter controller
Three-phase inverter work in inverter mode, using based on rotor field-oriented vector control algorithm, utilize space vector arteries and veins
Wide modulation system is modulated, and gives high-speed permanent magnetic synchronous motor to provide threephase armature electric current, starts engine to disengaging rotating speed.
3. the starting-generating system as claimed in claim 1 or 2 based on double active bridges, it is characterised in that the high-speed permanent magnetic
The three-phase alternating current that synchronous motor is sent carries out the uncontrollable rectification of three-phase by the fly-wheel diode in three-phase inverter first, then
Power converter is carried out as stable 270V direct currents by double active bridging parallel operations..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233987.1A CN107919822A (en) | 2017-11-29 | 2017-11-29 | A kind of starting-generating system based on double active bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233987.1A CN107919822A (en) | 2017-11-29 | 2017-11-29 | A kind of starting-generating system based on double active bridges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107919822A true CN107919822A (en) | 2018-04-17 |
Family
ID=61898146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711233987.1A Pending CN107919822A (en) | 2017-11-29 | 2017-11-29 | A kind of starting-generating system based on double active bridges |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649843A (en) * | 2018-05-31 | 2018-10-12 | 南京航空航天大学 | A kind of permanent magnetism starting-generating system and its control method with open circuit fault-tolerant ability |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080042613A1 (en) * | 2006-06-28 | 2008-02-21 | Kabushiki Kaisha Toshiba | Motor control unit |
| JP2010022111A (en) * | 2008-07-09 | 2010-01-28 | Hitachi Appliances Inc | Refrigerator |
| CN102638213A (en) * | 2004-11-15 | 2012-08-15 | 通用电气公司 | Bidirectional buck-boost power converter |
-
2017
- 2017-11-29 CN CN201711233987.1A patent/CN107919822A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638213A (en) * | 2004-11-15 | 2012-08-15 | 通用电气公司 | Bidirectional buck-boost power converter |
| US20080042613A1 (en) * | 2006-06-28 | 2008-02-21 | Kabushiki Kaisha Toshiba | Motor control unit |
| JP2010022111A (en) * | 2008-07-09 | 2010-01-28 | Hitachi Appliances Inc | Refrigerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649843A (en) * | 2018-05-31 | 2018-10-12 | 南京航空航天大学 | A kind of permanent magnetism starting-generating system and its control method with open circuit fault-tolerant ability |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180417 |
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| RJ01 | Rejection of invention patent application after publication |