CN108777547A - A kind of friendship-friendship power inverter of no DC bus energy-storage travelling wave tube - Google Patents
A kind of friendship-friendship power inverter of no DC bus energy-storage travelling wave tube Download PDFInfo
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- CN108777547A CN108777547A CN201810519879.9A CN201810519879A CN108777547A CN 108777547 A CN108777547 A CN 108777547A CN 201810519879 A CN201810519879 A CN 201810519879A CN 108777547 A CN108777547 A CN 108777547A
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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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of friendship-friendship power inverters of no DC bus energy-storage travelling wave tube, the the first three phase full bridge circuit to connect together including DC bus, second three phase full bridge circuit and third three phase full bridge circuit, the exchange input side of first three phase full bridge circuit inputs three phase mains, one end of first filter capacitor, one end of second filter capacitor and one end of third filter capacitor are connected, the other end of first filter capacitor connects the first phase power supply, the other end of second filter capacitor connects the second phase power supply, the other end of third filter capacitor connects third phase power supply, each phase power supply in three phase mains connects the exchange input side of each phase in third three phase full bridge circuit by filter inductance respectively.The present invention can reduce conduction loss and switching loss, be conducive to integrated.
Description
Technical field
The present invention relates to power inverter fields, more particularly to a kind of friendship-friendship power of no DC bus energy-storage travelling wave tube
Converter.
Background technology
In modern electrical energy production and consumptive link, friendship-friendship power inverter can play an important role.For example, wind-force
The electric voltage frequency that generator generates is typically to change, and generator is caused not to be connected with utility network directly.Friendship-friendship power becomes
Parallel operation can play the role of the interface between generator and power grid, generate voltage identical with mains frequency so that variable-frequency power generation
The electric energy that machine generates can be for transmission in electric system.
Using most friendships-friendship power inverter include in the industrial production at present cross-straight-intersection power inverter and double
Pwm converter.This two quasi-converter is required to install the storage capacitor of large capacity on DC bus, increases the volume of system
With weight, reduce the power density of system.In addition, the DC bus storage capacitor of large capacity generally uses electrolytic capacitor, it is
Whole system reliability link the weakest, failure rate accounting in entire power converter system reach 30%.Especially
In the application scenario of certain working environments harshness, such as aviation built-in type starting/generator system, environment temperature be up to 300 DEG C with
On, electrolyte is volatile, and electrolytic capacitor is difficult to work normally.
To solve the problems, such as that this two quasi-converter exists, academia proposes matrix converter (MC), and MC includes direct-type
With two kinds of typical topologys of stage type, it is not necessarily to high-capacity direct current busbar energy-storage travelling wave tube, is easy to get efficient power conversion.So
And it is limited to the development level of power device, the two-way switch needed for MC need to be made of discrete device, and there are the following problems：
1) discrete device is unfavorable for the system integration, limits further increasing for system power-density；2) what discrete device was constituted is two-way
Constant conduction load current is switched, conduction loss is larger, limits further increasing for transfer efficiency；3) two-way switch uses
PWM is controlled, and frequent switch motion generates a large amount of switching loss, also has an adverse effect to transfer efficiency.
Invention content
Goal of the invention：The object of the present invention is to provide it is a kind of can reduce conduction loss and switching loss, be conducive to it is integrated
The friendship without DC bus energy-storage travelling wave tube-friendship power inverter.
Technical solution：To reach this purpose, the present invention uses following technical scheme：
Friendship-friendship power inverter of no DC bus energy-storage travelling wave tube of the present invention, including DC bus connect together
The first three phase full bridge circuit, the second three phase full bridge circuit and third three phase full bridge circuit, the exchange of the first three phase full bridge circuit
Input side inputs three phase mains, one end of the first filter capacitor, one end of the second filter capacitor and third filter capacitor one
End is connected, and the other end of the first filter capacitor connects the first phase power supply, and the other end of the second filter capacitor connects the second phase power supply,
The other end of third filter capacitor connects third phase power supply, and each phase power supply in three phase mains is connected by filter inductance respectively
The exchange input side of each phase in third three phase full bridge circuit.
Further, the control method of the first three phase full bridge circuit includes the following steps：
S1.1：Acquire three-phase mains voltage uA、uBAnd uC；
S1.2：According to uA、uBAnd uCMagnitude relationship determine that the on off state of the first three phase full bridge circuit, voltage are maximum
Bridge arm switch conduction in one phase, a phase lower bridge arm switch conduction of voltage minimum, rest switch are held off.
Further, the control method of the second three phase full bridge circuit includes the following steps：
S2.1：Acquire three-phase mains voltage uA、uBAnd uC；
S2.2：Calculate DC bus-bar voltage udc；udcFor three-phase mains voltage uA、uBAnd uCMiddle maxima and minima it
Difference；
S2.3：Calculate the modulation ratio m of the second three phase full bridge circuit；M is desired output voltage amplitude uom *With DC bus
Voltage udcThe ratio between；
S2.4：The switch letter of the second three phase full bridge circuit is generated using space vector modulation algorithm or carrier modulation algorithm
Number.
Further, the control method of the third three phase full bridge circuit includes the following steps：
S3.1：Acquire three-phase mains voltage uA、uBAnd uC；
S3.2：Judge uA、uB、uCMagnitude relationship, bridge arm switch conduction in the maximum phase of voltage, lower bridge arm switch closes
It is disconnected；Bridge arm switch OFF in one phase of voltage minimum, lower bridge arm switch conduction；
S3.3：Be intermediate phase for voltage swing, thereon, lower bridge arm use pulse width modulating technology.
Further, it is intermediate phase for voltage swing in the step S3.3, thereon, the duty cycle signals of lower bridge arm
From in the closed-loop current control of filter inductance, it is as follows：
S3.3.1：The electric current for acquiring the phase exchange side filter inductance, the feedback signal i as closed loop controllery；
S3.3.2：Calculate the reference value i of the phase currenty *, steps are as follows：
S3.3.2.1：Three-phase mains voltage u is calculated according to formula (1)A、uBAnd uCComponent under two-phase stationary coordinate system
uαAnd uβ：
S3.3.2.2：Reference value of the three phase mains electric current under two-phase stationary coordinate system is calculated according to formula (2)With
In formula (2), P*For the active power of converter transmission, determined by load；Q*For desired power supply reactive power；
S3.3.2.3：Further, the reference value i of three phase mains electric current is calculated according to formula (3)A *、iB *、iC *：
S3.3.2.4：In iA *、iB *、iC *The middle electric current for selecting to correspond to voltage swing for interphase, in this, as electric current iy
Reference value iy *；
S3.3.3：By iy *And iyInput signal of the difference as closed loop controller, wherein closed loop controller is ratio-product
Sub-controller, the signal of generation are the desired value u of the phase filter inductance voltageL *；
S3.3.4：According to uL *Calculate the duty ratio d that bridge arm switchs in the phasePWith the duty ratio d of lower bridge arm switchN：
In formula (4), umaxFor three-phase mains voltage uA、uBAnd uCIn maximum value, umidFor three-phase mains voltage uA、uBAnd uC
In median, uminFor three-phase mains voltage uA、uBAnd uCIn minimum value.
Advantageous effect：The invention discloses a kind of friendship-friendship power inverters of no DC bus energy-storage travelling wave tube, have as follows
Advantageous effect：
1) it is not necessarily to DC bus energy-storage travelling wave tube, is conducive to the power density of raising system；
2) ripe three phase full bridge power module structure can be used, it is easy to implement, the integrated level of system can be improved；
3) switching frequency of the first three phase full bridge circuit is power frequency, has low-down switching loss；
4) at any time, only there are one bridge arms to carry out chop control, switching loss in third three phase full bridge circuit
Very little；
5) load current, therefore the electric current that the two is total is connected in the first three phase full bridge circuit and third three phase full bridge circuit jointly
Stress does not increase, and due to flowing through smaller electric current, and the conduction loss of system is smaller.
Description of the drawings
Fig. 1 is the topology diagram of power inverter in the specific embodiment of the invention；
Fig. 2 is three-phase mains voltage, DC bus-bar voltage and DC bus current low frequency in the specific embodiment of the invention
The example waveform of component；
Fig. 3 is that the first three phase full bridge circuit and third three phase full bridge circuit exchange input in the specific embodiment of the invention
The example waveform of side electric current and source current；
Fig. 4 is the example waveform of three-phase output voltage and electric current in the specific embodiment of the invention.
Specific implementation mode
Technical scheme of the present invention is further introduced With reference to embodiment.
Present embodiment discloses a kind of friendship-friendship power inverter of no DC bus energy-storage travelling wave tube, such as Fig. 1 institutes
Show, including the first three phase full bridge circuit 1, the second three phase full bridge circuit 2 and the third three phase full bridge electricity that DC bus connects together
The exchange input side on road 3, the first three phase full bridge circuit 1 inputs three phase mains, one end of the first filter capacitor, the second filter capacitor
One end and one end of third filter capacitor be connected, the other end of the first filter capacitor connects the first phase power supply, the second filtering
The other end of capacitance connects the second phase power supply, and the other end of third filter capacitor connects third phase power supply, every in three phase mains
One phase power supply connects the exchange input side of each phase in third three phase full bridge circuit 3 by filter inductance respectively.Wherein, three filters
The three-phase filter inductance 5 of 4, three filter inductances of three-phase filter capacitor composition of wave capacitance composition is also as shown in Figure 1.
The control method of first three phase full bridge circuit 1 includes the following steps：
S1.1：Acquire three-phase mains voltage uA、uBAnd uC；
S1.2：According to uA、uBAnd uCMagnitude relationship determine that the on off state of the first three phase full bridge circuit 1, voltage are maximum
Bridge arm switch conduction in one phase, a phase lower bridge arm switch conduction of voltage minimum, rest switch are held off.
Under the control method of above-mentioned first three phase full bridge circuit, DC bus-bar voltage udcWaveform it is as shown in Figure 2.By
Figure is it is found that udcIt is always the maximum line voltage of supply voltage, is not steady state value.Therefore, the tune of second three phase full bridge circuit
The u of fluctuation is taken into account in algorithm processeddc.It only needs to use u in its modulation algorithmdcModulation ratio is corrected in real time, is specifically done
Method is：The control method of second three phase full bridge circuit 2 includes the following steps：
S2.1：Acquire three-phase mains voltage uA、uBAnd uC；
S2.2：Calculate DC bus-bar voltage udc；udcFor three-phase mains voltage uA、uBAnd uCMiddle maxima and minima it
Difference；
S2.3：Calculate the modulation ratio m of the second three phase full bridge circuit 2；M is desired output voltage amplitude uom *With direct current mother
Line voltage udcThe ratio between；
S2.4：The switch letter of the second three phase full bridge circuit 2 is generated using space vector modulation algorithm or carrier modulation algorithm
Number.
Friendship-friendship power inverter is usually used in driving constant power load, and in this case, second three phase full bridge circuit generates
The low frequency component of DC bus current be also drawn in Fig. 2.
Since the ends DC bus P are by first three phase full bridge circuit clamping in the maximum the input phase of voltage, N-terminal is clamped
In the input phase of voltage minimum, therefore, the correspondence phase bridge arm of third three phase full bridge circuit should also clamp, to prevent its exchange from filtering
The current run-away of wave inductance, specific practice are：The control method of third three phase full bridge circuit 3 includes the following steps：
S3.1：Acquire three-phase mains voltage uA、uBAnd uC；
S3.2：Judge uA、uB、uCMagnitude relationship, bridge arm switch conduction in the maximum phase of voltage, lower bridge arm switch closes
It is disconnected；Bridge arm switch OFF in one phase of voltage minimum, lower bridge arm switch conduction；
S3.3：Be intermediate phase for voltage swing, thereon, lower bridge arm use pulse width modulating technology.
It is intermediate phase for voltage swing in step S3.3, thereon, the duty cycle signals of lower bridge arm are from filter inductance
Closed-loop current control, be as follows：
S3.3.1：The electric current for acquiring the phase exchange side filter inductance, the feedback signal i as closed loop controllery；
S3.3.2：Calculate the reference value i of the phase currenty *, steps are as follows：
S3.3.2.1：Three-phase mains voltage u is calculated according to formula (1)A、uBAnd uCComponent under two-phase stationary coordinate system
uαAnd uβ：
S3.3.2.2：Reference value of the three phase mains electric current under two-phase stationary coordinate system is calculated according to formula (2)With
In formula (2), P*For the active power of converter transmission, determined by load；Q*For desired power supply reactive power；
S3.3.2.3：Further, the reference value i of three phase mains electric current is calculated according to formula (3)A *、iB *、iC *：
S3.3.2.4：In iA *、iB *、iC *The middle electric current for selecting to correspond to voltage swing for interphase, in this, as electric current iy
Reference value iy *；
S3.3.3：By iy *And iyInput signal of the difference as closed loop controller, wherein closed loop controller is ratio-product
Sub-controller, the signal of generation are the desired value u of the phase filter inductance voltageL *；
S3.3.4：According to uL *Calculate the duty ratio d that bridge arm switchs in the phasePWith the duty ratio d of lower bridge arm switchN：
In formula (4), umaxFor three-phase mains voltage uA、uBAnd uCIn maximum value, umidFor three-phase mains voltage uA、uBAnd uC
In median, uminFor three-phase mains voltage uA、uBAnd uCIn minimum value.
Below with uA>uB>uCRelationship be further elaborated, the operation principle of other voltage relationship downconverters
It is similar.At this point, in the first three phase full bridge circuit 1, bridge arm switch and C phase lower bridge arms switch are held in A phases, rest switch
Shutdown.In third three phase full bridge circuit 3, bridge arm switch is held in A phases, and exchange side filter inductance is flowed by the switch
To the ends DC bus P；C phase lower bridge arms switch is also held on, and exchange side filter inductance flows to DC bus N by the switch
End；The upper bridge arm and lower bridge arm that B phases switch carry out chop control.
According to the control method of above-mentioned the first three phase full bridge circuit 1 and third three phase full bridge circuit 3 it is found that A phase power supplys
Bridge arm switching current forms in A phases of the electric current by flowing through the first three phase full bridge circuit 1 and third three phase full bridge circuit 3, C phase power supplys
Electric current is made of the C phase lower bridge arm switching currents for flowing through the first three phase full bridge circuit 1 and third three phase full bridge circuit 3.And B phase electricity
Ource electric current is only the electric current for the B phase bridge arms for flowing through third three phase full bridge circuit 3.Therefore, it is the sine of realization three phase mains electric current
Change, should ensure that the sineization of B phase source currents first.According to instantaneous power theory, the source current under two-phase stationary coordinate system
Reference valueWithFor：
In formula, P*For the active power of converter transmission, determined by load；Q*For desired power supply reactive power；uαAnd uβ
For three-phase mains voltage (uA, uB, uC) component under two-phase stationary coordinate system, computational methods are：
According toWithThe reference value i of three phase mains electric current can be calculatedA *、iB *、iC *：
Acquire B phase inductance electric currents iB, by iB *And iBDifference as the defeated of closed loop controller (such as proportional-plus-integral controller)
Enter signal, the output signal which generates is the voltage difference desired value u of B phase filter inductancesL *.According to Fig. 1, it is known that B
The voltage of circuitry phase meets：
Wherein, dPAnd dNFor the duty ratio that bridge arm in B phases and lower bridge arm switch, the sum of they should be 1, i.e.,：
dP+dN=1 (9)
It can be solved by upper two formula：
Obtaining dPAnd dNAfterwards, you can generate the switching signal of bridge arm and lower bridge arm in B phases.Using the closed loop control method,
It may make that B phases source current is identical as its desired value, when desired value is sinusoidal quantity, you can realize the sineization of source current.
When the size of three-phase mains voltage meets other relationships, the operation principle of converter is similar.
Fig. 2 to Fig. 4 is some Vital Voltages and current waveform example of apparatus of the present invention.In Fig. 2, DC bus-bar voltage begins
It is the difference of supply voltage maxima and minima eventually, the low frequency component of DC bus current is then the power and direct current of desired output
The ratio between busbar voltage.In Fig. 3, the AC input current of the first three phase full bridge circuit 1 and exchanging for third three phase full bridge circuit 3 are defeated
Enter electric current and add up to three phase mains electric current, therefore two full-bridge circuit shared load currents, total device current stress is not
Increase.Higher harmonic current in source current can be filtered out by additional power supply side filter, and then obtain the electricity of sineization
Ource electric current.In Fig. 4, threephase load electric current height sine shows that apparatus of the present invention can realize friendship-friendship power conversion.
Claims (5)
1. a kind of friendship-friendship power inverter of no DC bus energy-storage travelling wave tube, it is characterised in that：It connects together including DC bus
The first three phase full bridge circuit (1), the second three phase full bridge circuit (2) and third three phase full bridge circuit (3), the first three phase full bridge electricity
The exchange input side on road (1) inputs three phase mains, one end of the first filter capacitor, one end of the second filter capacitor and third filter
One end of wave capacitance is connected, and the other end of the first filter capacitor connects the first phase power supply, the other end connection of the second filter capacitor
The other end of second phase power supply, third filter capacitor connects third phase power supply, and each phase power supply in three phase mains passes through respectively
Filter inductance connects the exchange input side of each phase in third three phase full bridge circuit (3).
2. friendship-friendship power inverter of no DC bus energy-storage travelling wave tube according to claim 1, it is characterised in that：It is described
The control method of first three phase full bridge circuit (1) includes the following steps：
S1.1：Acquire three-phase mains voltage uA、uBAnd uC；
S1.2：According to uA、uBAnd uCMagnitude relationship determine the on off state of the first three phase full bridge circuit (1), voltage maximum one
Bridge arm switch conduction in phase, a phase lower bridge arm switch conduction of voltage minimum, rest switch are held off.
3. friendship-friendship power inverter of no DC bus energy-storage travelling wave tube according to claim 1, it is characterised in that：It is described
The control method of second three phase full bridge circuit (2) includes the following steps：
S2.1：Acquire three-phase mains voltage uA、uBAnd uC；
S2.2：Calculate DC bus-bar voltage udc；udcFor three-phase mains voltage uA、uBAnd uCThe difference of middle maxima and minima；
S2.3：Calculate the modulation ratio m of the second three phase full bridge circuit (2)；M is desired output voltage amplitude uom *With DC bus
Voltage udcThe ratio between；
S2.4：The switching signal of the second three phase full bridge circuit (2) is generated using space vector modulation algorithm or carrier modulation algorithm.
4. friendship-friendship power inverter of no DC bus energy-storage travelling wave tube according to claim 1, it is characterised in that：It is described
The control method of third three phase full bridge circuit (3) includes the following steps：
S3.1：Acquire three-phase mains voltage uA、uBAnd uC；
S3.2：Judge uA、uB、uCMagnitude relationship, bridge arm switch conduction in the maximum phase of voltage, lower bridge arm switch OFF；Electricity
Press bridge arm switch OFF in a minimum phase, lower bridge arm switch conduction；
S3.3：Be intermediate phase for voltage swing, thereon, lower bridge arm use pulse width modulating technology.
5. friendship-friendship power inverter of no DC bus energy-storage travelling wave tube according to claim 4, it is characterised in that：It is described
It is intermediate phase for voltage swing in step S3.3, thereon, the duty cycle signals of lower bridge arm close from the electric current in filter inductance
Ring controls, and is as follows：
S3.3.1：The electric current for acquiring the phase exchange side filter inductance, the feedback signal i as closed loop controllery；
S3.3.2：Calculate the reference value i of the phase currenty *, steps are as follows：
S3.3.2.1：Three-phase mains voltage u is calculated according to formula (1)A、uBAnd uCComponent u under two-phase stationary coordinate systemαWith
uβ：
S3.3.2.2：Reference value of the three phase mains electric current under two-phase stationary coordinate system is calculated according to formula (2)With
In formula (2), P*For the active power of converter transmission, determined by load；Q*For desired power supply reactive power；
S3.3.2.3：Further, the reference value i of three phase mains electric current is calculated according to formula (3)A *、iB *、iC *：
S3.3.2.4：In iA *、iB *、iC *The middle electric current for selecting to correspond to voltage swing for interphase, in this, as electric current iyGinseng
Examine value iy *；
S3.3.3：By iy *And iyInput signal of the difference as closed loop controller, wherein closed loop controller is proportional, integral control
Device processed, the signal of generation are the desired value u of the phase filter inductance voltageL *；
S3.3.4：According to uL *Calculate the duty ratio d that bridge arm switchs in the phasePWith the duty ratio d of lower bridge arm switchN：
In formula (4), umaxFor three-phase mains voltage uA、uBAnd uCIn maximum value, umidFor three-phase mains voltage uA、uBAnd uCIn
Median, uminFor three-phase mains voltage uA、uBAnd uCIn minimum value.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260345A (en) * | 2023-03-22 | 2023-06-13 | 东南大学 | AC-AC converter current closed-loop control method based on maximum value phase waveform similarity |
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| 杜海江 等: "无直流电容单PWM型功率变换器整流桥换流控制", 《电工技术学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260345A (en) * | 2023-03-22 | 2023-06-13 | 东南大学 | AC-AC converter current closed-loop control method based on maximum value phase waveform similarity |
| CN116260345B (en) * | 2023-03-22 | 2024-01-26 | 东南大学 | AC-AC converter current closed-loop control method based on maximum value phase waveform similarity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108777547B (en) | 2019-10-11 |
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