CN109274276A - A kind of general code converter based on double PWM - Google Patents
A kind of general code converter based on double PWM Download PDFInfo
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- CN109274276A CN109274276A CN201811378567.7A CN201811378567A CN109274276A CN 109274276 A CN109274276 A CN 109274276A CN 201811378567 A CN201811378567 A CN 201811378567A CN 109274276 A CN109274276 A CN 109274276A
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- phase full
- code converter
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
Abstract
The present invention proposes a kind of general code converter based on double PWM, including control circuit and main power circuit two parts；Control circuit includes two CSTR+CPLD minimum system, dual port RAM, RS-422A communicating circuit, switch quantity acquisition circuit, analog quantity acquisition circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits；Main power circuit includes switch tube driving circuit, three-phase bridge rectification circuit, soft electrification circuit, Support Capacitor, three-phase full-bridge inverting circuit；The present invention realizes the purpose of multiplexing functions by the way of the multiplexing of general code converter hardware circuit；Using the two CSTR+CPLD hardware structure of high system's energy, to carry out the functions such as complicated operation and protection；Using double PWM variable-frequency control techniques, the purpose realized energy conservation, improve power quality.
Description
Technical field
The invention belongs to airplane power source technical fields, are related to a kind of general code converter based on double PWM.
Background technique
Aviation starting-generating system is the core of aviation power system, and traditional starting-generating system utilizes starter controller
Driving starter-generator makes aero-engine complete to start, and starter controller only has start-up function, causes after the completion of starting
Redundancy reduces aircraft reliability of operation.It also needs to be equipped with the actuating systems such as some airborne motor or electrodynamic pump on aircraft,
It is also required to be equipped with additional electric drive controller, thus causes the complexity of control network, communication network.
As science and technology continues to develop, aircraft function is improved day by day, and electric power is continuously increased, and mostly electricity/electric aircraft becomes
The developing direction of future aircraft develops high integration, efficient starting-generating system becomes the hair of future aviation power system
Exhibition trend improves the system effectiveness and power quality of aircraft power system to mitigate system bulk, weight.
Summary of the invention
In order to which power-supply system redundancy is effectively reduced, reduces volume, the weight of system, improve system effectiveness and electric energy
Quality, the present invention propose a kind of general code converter based on double PWM.The present invention is multiplexed using general code converter hardware circuit
Mode, realize the purpose of multiplexing functions；Using high system can two CSTR+CPLD hardware structure, to carry out complicated operation and
The functions such as protection；Using double PWM variable-frequency control techniques, the purpose realized energy conservation, improve power quality.
The technical solution of the present invention is as follows:
A kind of general code converter based on double PWM, it is characterised in that: including control circuit and main power circuit two
Part；
Control circuit includes two CSTR+CPLD minimum system, dual port RAM, RS-422A communicating circuit, switch acquisition electricity
Road, analog quantity acquisition circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits；Switch quantity acquisition circuit,
Analog quantity acquisition circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits and CPLD signal interaction, twoport
RAM realizes the data interaction of two pieces of DSP in two CSTR+CPLD minimum system and shares；Two CSTR+CPLD minimum system passes through RS-
422A communicating circuit sends operating status and operating parameter to host computer；
Main power circuit includes switch tube driving circuit, three-phase bridge rectification circuit, soft electrification circuit, Support Capacitor, three
Phase full bridge inverter；Three-phase bridge rectification circuit and three-phase full-bridge inverting circuit connect switch tube driving circuit, and three phase full bridge is whole
The indirect Support Capacitor and soft electrification circuit of current circuit and three-phase full-bridge inverting circuit；
When general code converter realizes start-up function, the input end grounding face 115V/400Hz of three-phase bridge rectification circuit
The output of power supply, three-phase full-bridge inverting circuit is connected to starter-generator；Control circuit enters after receiving aircraft starting order
Starting mode, two CSTR export PWM wave by operation, drive three-phase bridge rectification circuit and three-phase full-bridge inverting circuit by ground
115V/400Hz power supply carries out power converter, provides three-phase alternating current to starter-generator threephase armature winding, generates electromagnetism and turns
Square starts engine to revolving speed is disengaged, completes start-up function；
After proceed-to-send, when general code converter realizes electric drive function, the input termination of three-phase bridge rectification circuit
Power supply on machine, the output of three-phase full-bridge inverting circuit are connected to airborne motor or electrodynamic pump；Control circuit receives aircraft electricity
Enter electric drive mode after driving instruction, two CSTR exports PWM wave by operation, drives three-phase bridge rectification circuit and three-phase complete
Bridge inverter circuit carries out power converter, provides three-phase alternating current to airborne motor or electrodynamic pump threephase armature winding, realizes electricity
Driving function.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: when three-phase is complete
When the switching frequency of bridge rectification circuit and three-phase full-bridge inverting circuit is integral multiple relation, in the two CSTR+CPLD minimum system
Two pieces of DSP worked using master slave mode；Wherein the first DSP executes three-phase bridge rectification circuit and three as master controller
The core control algolithm of phase full bridge inverter, including signal sampling, coordinate transform, output duty cycle calculate；2nd DSP conduct
System protection algorithm is executed from controller.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: when three-phase is complete
When the switching frequency of bridge rectification circuit and three-phase full-bridge inverting circuit mismatches, two pieces in the two CSTR+CPLD minimum system
DSP is worked using parallel schema；One of DSP controls three-phase full-bridge inverting circuit, another DSP controls three phase full bridge
Rectification circuit, carries out the signal sampling of corresponding control object respectively, and fault detection and monitoring quantity calculate.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: control circuit
In, the switching value instruction of host computer is parsed by switch quantity acquisition circuit, is entered according to different control instructions corresponding
State；Under the mode of starting or electric drive mode, control circuit will be wrapped by analog quantity acquisition circuit and position decoding circuit
Include voltage, electric current, motor speed, motor rotor position signal status signal be converted to digital quantity participate in operation.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: when control electricity
When abnormal conditions occurs in operating parameter in road, carry out envelope wave and fault latch using protection circuit, and by fault message store to
In NVSRAM.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: control circuit
In driving front stage circuits utilize light-coupled isolation amplifying circuit and Schmidt trigger, carry out PWM wave shaping and filtering, it is ensured that drive
Dynamic waveform is standard block.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: switching tube drives
Dynamic circuit is realized the IGBT module grid electricity in control circuit and three-phase bridge rectification circuit and three-phase full-bridge inverting circuit
Air bound is from and the PWM wave issued according to control circuit is in three-phase bridge rectification circuit and three-phase full-bridge inverting circuit
IGBT module grid provides drive voltage pulses, controls the IGBT mould in three-phase bridge rectification circuit and three-phase full-bridge inverting circuit
Block being opened and turning off.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: the support
Capacitive absorption prevents it from generating high-amplitude on Support Capacitor chain road from the amplitude pulsating current of three-phase full-bridge inverting circuit
It is worth pulsating volage, keeps the voltage fluctuation of three-phase full-bridge inverting circuit power end within the allowable range.
Further preferred embodiment, a kind of general code converter based on double PWM, it is characterised in that: it is described it is soft on
Circuit limits the dash current of powered on moment, mitigates the impact to power supply, three-phase bridge rectification circuit and Support Capacitor.
Beneficial effect
The beneficial effects of the present invention are:
1, the hardware circuit of general code converter is multiplexed, realizes starting and electrically driven (operated) function integrates and multiplexing.?
After start-up function, general code converter may be used as electric drive controller, not need to be equipped with additional electric drive controller,
The redundancy for reducing system reduces the volume and weight of aircraft, improves power to weight ratio；
2, using two CSTR+CPLD hardware structure, the On-Chip peripheral resource of High Performance DSP is made full use of, reduces and is controlled on machine
The complexity of network processed, communication network, improves system reliability of operation；
3, using double PWM variable-frequency control techniques, realize converter regenerate energy to power grid feedback and save energy, it can be achieved that
To and fro flow of power improves converter power factor, reduces harmonic wave interference, improves power quality, and it is dirty to reduce the harmonic wave surveyed to net
Dye.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1: the universal converter control circuit block diagram based on double PWM；
Fig. 2: the general code converter main power circuit topological diagram based on double PWM.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and
It is not considered as limiting the invention.
General code converter of one of the present embodiment based on double PWM, has shared a set of hardware circuit, has been integrated with starting
Function and electric drive function.Including control circuit and main power circuit two parts.
As shown in Figure 1, control circuit includes two CSTR+CPLD minimum system, dual port RAM, RS-422A communicating circuit, switch
Measure Acquisition Circuit, analog quantity acquisition circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits；Switching value is adopted
Collector, analog quantity acquisition circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits and CPLD signal are handed over
Mutually.
The combination of two CSTR+CPLD minimum system is the core devices of converter, two pieces of DSP can work in master slave mode or
Parallel schema matches with CPLD and carries out complicated algorithm operation, logic synthesis and timing management, and it is suitable to issue to driving circuit
Pwm pulse signal the IGBT module in main power circuit is driven, thus realize to starter-generator, airborne motor
Or the control and driving of electrodynamic pump.
DSP1 is responsible for the core of three-phase bridge rectification circuit and three-phase inverting circuit as master controller under master slave mode
Control algolithm, including signal sampling, coordinate transform, output duty cycle calculating etc., DSP2 is used as from controller and executes system protection
Algorithm etc., which is suitable for three-phase bridge rectification circuit and three-phase full-bridge inverting circuit coordination control strategy, especially when two
When the switching frequency of side is integral multiple, the control algolithm of 2 control objects can be completed in the same main interruption, be convenient for data
It is shared and interact.
DSP1 is responsible for three-phase full-bridge inverting circuit control in a parallel mode, and DSP2 is responsible for three-phase bridge rectification circuit control
System, two panels DSP are each responsible for the sampling of three-phase bridge rectification circuit and three-phase full-bridge inverting circuit coherent signal, fault detection and
Monitoring quantity calculates, the mode be suitable for for power grid and motor exchange side carry out complex control or three-phase bridge rectification circuit and
The unmatched situation of three-phase full-bridge inverting circuit switching frequency.In this mode, three-phase bridge rectification circuit and three phase full bridge are inverse
Power transformation road is controlled in two panels DSP respectively, and institute is in order to according to the completely unrelated switching frequency of its own feature selection.
Two pieces of DSP carry out quickly data interaction in real time by dual port RAM circuit and share, and compare other communication modes,
Dual port RAM interface circuit is simple, and data interaction speed is fast, high reliablity, and the work of DSP is influenced small by communication.Two CSTR+CPLD
Minimum system sends operating status and operating parameter to host computer in real time by RS-422A communicating circuit.
In the actual moving process of universal controller, universal controller passes through switch quantity acquisition circuit to upper first
The switching value instruction of position machine is parsed, and is entered corresponding state according to different control instructions, is carried out corresponding operation；It is rising
Under dynamic model formula or electric drive mode, general code converter by analog quantity acquisition circuit and position decoding circuit by voltage, electric current,
Motor speed, motor rotor position signal etc. are converted to digital quantity and participate in operation；There is exception in general code converter operating parameter
When situation, envelope wave and fault latch are carried out using protection circuit, avoids failure propagation, and fault message is stored to NVSRAM
In；The driving front stage circuits of universal controller are that it is whole to carry out PWM wave using light-coupled isolation amplifying circuit and Schmidt trigger
Shape and filtering, it is ensured that drive waveforms are standard block.
As shown in Fig. 2, main power circuit includes switch tube driving circuit, three-phase bridge rectification circuit, soft electrification circuit, branch
Support capacitor, three-phase full-bridge inverting circuit；Three-phase bridge rectification circuit and three-phase full-bridge inverting circuit connect switch tube driving circuit, and three
The indirect Support Capacitor and soft electrification circuit of phase full bridge rectifier and three-phase full-bridge inverting circuit；The main power topology need not increase
Add any adjunct circuit to can be achieved with general code converter Regenerated energy amount to power grid feedback and save energy, improve power quality,
Reduce net and survey harmonic pollution, realizes to and fro flow of power.
The effect of switch tube driving circuit is to make control circuit and three-phase bridge rectification circuit and three phase full bridge inversion electricity
IGBT module grid in road realizes electrical isolation, is IGBT module according to the PWM wave that two CSTR+CPLD in control circuit is issued
Grid provides drive voltage pulses, controls the open-minded of three-phase bridge rectification circuit and the IGBT module in three-phase full-bridge inverting circuit
With shutdown.
Three-phase bridge rectification circuit uses PWM commutation technique, AC power source on ground power supply or machine is carried out controllable whole
Stream.PWM commutation technique directly carries out sine pulse width modulation (PWM) control to IGBT module in three-phase bridge rectification circuit, so that input current connects
Nearly sine wave, phase are identical as power supply phase voltage phase.In this way, just containing only high order related with switching frequency in input current
Harmonic wave, these overtone orders are high, are easy to filter out, while can also be improved power factor, reduce the public hazards to power grid.
The effect of Support Capacitor is the amplitude pulsating current absorbed from three-phase full-bridge inverting circuit, it is prevented to prop up
Support capacitance link on generate amplitude pulsating volage, make inverter circuit power end voltage fluctuation keep within the allowable range, to
The High-current output of load end offer moment.Voltage overshoot and instantaneous overvoltage are also possible to prevent to the shadow of inverter circuit simultaneously
It rings.
The effect of soft electrification circuit can limit the dash current of powered on moment, to mitigate to power supply, rectification mould
The purpose of protective condenser and power supply is played in the impact of block and Support Capacitor.
Three-phase full-bridge inverting circuit uses vector control strategy, is three intersections of variable voltage variable frequency by DC bus-bar voltage inversion
Galvanic electricity supplies the threephase armature winding of starter-generator, airborne motor or electrodynamic pump, electromagnetic torque is formed, to realize starting
Or electric drive function.
When general code converter realizes start-up function, the input end grounding face 115V/400Hz of three-phase bridge rectification circuit
The output of power supply, three-phase full-bridge inverting circuit is connected to starter-generator；Control circuit enters after receiving aircraft starting order
Starting mode, two CSTR export PWM wave by operation, drive three-phase bridge rectification circuit and three-phase full-bridge inverting circuit by ground
115V/400Hz power supply carries out power converter, provides three-phase alternating current to starter-generator threephase armature winding, generates electromagnetism and turns
Square starts engine to revolving speed is disengaged, completes start-up function.
After proceed-to-send, when general code converter realizes electric drive function, the input termination of three-phase bridge rectification circuit
Power supply on machine, the output of three-phase full-bridge inverting circuit are connected to airborne motor or electrodynamic pump；Control circuit receives aircraft electricity
Enter electric drive mode after driving instruction, two CSTR exports PWM wave by operation, drives three-phase bridge rectification circuit and three-phase complete
Bridge inverter circuit carries out power converter, provides three-phase alternating current to airborne motor or electrodynamic pump threephase armature winding, realizes electricity
Driving function.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (9)
1. a kind of general code converter based on double PWM, it is characterised in that: including control circuit and main power circuit two parts；
Control circuit includes two CSTR+CPLD minimum system, dual port RAM, RS-422A communicating circuit, switch quantity acquisition circuit, mould
Analog quantity Acquisition Circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits；Switch quantity acquisition circuit, analog quantity
Acquisition Circuit, position decoding circuit, protection circuit, NVSRAM and driving front stage circuits and CPLD signal interaction, dual port RAM are realized
The data interaction of two pieces of DSP and shared in two CSTR+CPLD minimum system；Two CSTR+CPLD minimum system is communicated by RS-422A
Circuit sends operating status and operating parameter to host computer；
Main power circuit includes that switch tube driving circuit, three-phase bridge rectification circuit, soft electrification circuit, Support Capacitor, three-phase are complete
Bridge inverter circuit；Three-phase bridge rectification circuit and three-phase full-bridge inverting circuit connect switch tube driving circuit, three phase full bridge rectified current
The indirect Support Capacitor and soft electrification circuit on road and three-phase full-bridge inverting circuit；
When general code converter realizes start-up function, the input end grounding face 115V/400Hz electricity of three-phase bridge rectification circuit
The output in source, three-phase full-bridge inverting circuit is connected to starter-generator；Control circuit enters after receiving aircraft starting order
Dynamic model formula, two CSTR export PWM wave by operation, drive three-phase bridge rectification circuit and three-phase full-bridge inverting circuit by ground
115V/400Hz power supply carries out power converter, provides three-phase alternating current to starter-generator threephase armature winding, generates electromagnetism and turns
Square starts engine to revolving speed is disengaged, completes start-up function；
After proceed-to-send, when in general code converter realization electric drive function, the input endmatcher of three-phase bridge rectification circuit
Power supply, the output of three-phase full-bridge inverting circuit are connected to airborne motor or electrodynamic pump；Control circuit receives aircraft electric drive
Enter electric drive mode after instruction, two CSTR exports PWM wave by operation, drives three-phase bridge rectification circuit and three phase full bridge inverse
Power transformation road carries out power converter, provides three-phase alternating current to airborne motor or electrodynamic pump threephase armature winding, realizes electric drive
Function.
2. a kind of general code converter based on double PWM according to claim 1, it is characterised in that: when three phase full bridge rectifies
When the switching frequency of circuit and three-phase full-bridge inverting circuit is integral multiple relation, two pieces in the two CSTR+CPLD minimum system
DSP is worked using master slave mode；Wherein the first DSP executes three-phase bridge rectification circuit and three phase full bridge as master controller
The core control algolithm of inverter circuit, including signal sampling, coordinate transform, output duty cycle calculate；2nd DSP is used as from control
Device executes system protection algorithm.
3. a kind of general code converter based on double PWM according to claim 1, it is characterised in that: when three phase full bridge rectifies
When the switching frequency of circuit and three-phase full-bridge inverting circuit mismatches, two pieces of DSP in the two CSTR+CPLD minimum system are adopted
It is worked with parallel schema；One of DSP controls three-phase full-bridge inverting circuit, another DSP controls three phase full bridge rectification
Circuit, carries out the signal sampling of corresponding control object respectively, and fault detection and monitoring quantity calculate.
4. a kind of general code converter based on double PWM according to Claims 2 or 3, it is characterised in that: in control circuit,
The switching value instruction of host computer is parsed by switch quantity acquisition circuit, corresponding shape is entered according to different control instructions
State；Under the mode of starting or electric drive mode, control circuit will include electricity by analog quantity acquisition circuit and position decoding circuit
Pressure, electric current, motor speed, motor rotor position signal status signal be converted to digital quantity participate in operation.
5. a kind of general code converter based on double PWM according to claim 4, it is characterised in that: when being transported in control circuit
When abnormal conditions occurs in row parameter, envelope wave and fault latch are carried out using protection circuit, and fault message is stored to NVSRAM
In.
6. a kind of general code converter based on double PWM according to claim 1, it is characterised in that: the drive in control circuit
Dynamic front stage circuits utilize light-coupled isolation amplifying circuit and Schmidt trigger, carry out PWM wave shaping and filtering, it is ensured that drive waveforms
For standard block.
7. a kind of general code converter based on double PWM according to claim 1, it is characterised in that: switch tube driving circuit
It realizes the IGBT module grid electrical isolation in control circuit and three-phase bridge rectification circuit and three-phase full-bridge inverting circuit,
And the PWM wave issued according to control circuit, it is the IGBT module in three-phase bridge rectification circuit and three-phase full-bridge inverting circuit
Grid provides drive voltage pulses, controls the open-minded of three-phase bridge rectification circuit and the IGBT module in three-phase full-bridge inverting circuit
With shutdown.
8. a kind of general code converter based on double PWM according to claim 7, it is characterised in that: the Support Capacitor is inhaled
The amplitude pulsating current from three-phase full-bridge inverting circuit is received, it is prevented to generate amplitude pulsation on Support Capacitor chain road
Voltage keeps the voltage fluctuation of three-phase full-bridge inverting circuit power end within the allowable range.
9. a kind of general code converter based on double PWM according to claim 8, it is characterised in that: the soft electrification circuit
The dash current of powered on moment is limited, the impact to power supply, three-phase bridge rectification circuit and Support Capacitor is mitigated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811378567.7A CN109274276A (en) | 2018-11-19 | 2018-11-19 | A kind of general code converter based on double PWM |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811378567.7A CN109274276A (en) | 2018-11-19 | 2018-11-19 | A kind of general code converter based on double PWM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260589A (en) * | 2020-09-30 | 2021-01-22 | 陕西航空电气有限责任公司 | Time-sharing multiplexing motor controller suitable for multi-electric aircraft |
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|---|---|---|---|---|
| US5315497A (en) * | 1991-11-07 | 1994-05-24 | Premier Power, Inc. | Symmetrical universal AC-AC power conditioner |
| CN104764453A (en) * | 2015-03-26 | 2015-07-08 | 北京航空航天大学 | Navigation and interface computer based on dual-DSP and CPLD |
| CN107612360A (en) * | 2017-10-20 | 2018-01-19 | 陕西航空电气有限责任公司 | A kind of multifunctional converter based on two CSTR |
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2018
- 2018-11-19 CN CN201811378567.7A patent/CN109274276A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5315497A (en) * | 1991-11-07 | 1994-05-24 | Premier Power, Inc. | Symmetrical universal AC-AC power conditioner |
| CN104764453A (en) * | 2015-03-26 | 2015-07-08 | 北京航空航天大学 | Navigation and interface computer based on dual-DSP and CPLD |
| CN107612360A (en) * | 2017-10-20 | 2018-01-19 | 陕西航空电气有限责任公司 | A kind of multifunctional converter based on two CSTR |
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| Title |
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| 尹璐: "基于双DSP的双PWM变频器控制平台设计", 《电力自动化设备》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260589A (en) * | 2020-09-30 | 2021-01-22 | 陕西航空电气有限责任公司 | Time-sharing multiplexing motor controller suitable for multi-electric aircraft |
| CN112260589B (en) * | 2020-09-30 | 2023-02-28 | 陕西航空电气有限责任公司 | Time-sharing multiplexing motor controller suitable for multi-electric aircraft |
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