CN109274271A - Three Port Translation device of twin-stage isolated DC and its hybrid energy-storing control method - Google Patents
Three Port Translation device of twin-stage isolated DC and its hybrid energy-storing control method Download PDFInfo
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- CN109274271A CN109274271A CN201811202329.0A CN201811202329A CN109274271A CN 109274271 A CN109274271 A CN 109274271A CN 201811202329 A CN201811202329 A CN 201811202329A CN 109274271 A CN109274271 A CN 109274271A
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/3353—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/102—Parallel operation of dc sources being switching converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/14—Balancing the load in a network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/106—Parallel operation of dc sources for load balancing, symmetrisation, or sharing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention is the isolated three Port Translations device of twin-stage and its hybrid energy-storing control method, and converter includes Buck-Boost circuit (1), crisscross parallel circuit (2), super capacitor (6), battery (7), bidirectional active bridge circuit (3) and load resistance (4).The method realizes the reasonable distribution and the sagging control of successive load side constant pressure of prime hybrid energy-storing device power by two-stage structure on the basis of phase shift adds duty ratio modulation mode.The control method can there are so that low-pressure side super capacitor (6) is responded transient power in the case of chugging and fluctuation for load in systems, battery (7) responds steady state power, while the direct current mixed energy storage system parallel connection equilibrium operating that the sagging control of the on high-tension side constant pressure of rear class allows multiple three Port Translation devices of the type to constitute.
Description
Technical field
It is a kind of three Port Translation device of twin-stage isolated DC and its hybrid energy-storing the present invention relates to converter technical field
Control method.
Background technique
Power swing caused by load sudden change, switching and intermittent energy can generate direct current supply voltage in direct current power system
Flickering and fall, and then constitutes a threat to system stability.In view of the above-mentioned problems, a fixed number can be configured in direct current power system
The energy storage device of amount provides energy snubber for system.Battery and super capacitor are respectively provided with capacity density greatly and power density is big
The characteristics of, mutual supplement with each other's advantages can be realized in conjunction with the mixed energy storage system that the two feature is constituted, therefore in direct current distributed generation system
Middle application mixed energy storage system has obtained extensive research.
In terms of direct current hybrid energy-storing interface converter, there is scholar to propose to use multiport converter as hybrid energy-storing system
System interface converter.Compared to traditional free-standing interface converter, multiport converter is reducing power device, is reducing energy turn
Ring change section etc. has greater advantage.It is big that multiport converter can be divided into non-isolation type, part isolated form and full isolated form three
Class, compared with traditional Buck/Boost converter, the multiport DC converter transformation ratio with High Frequency Link is high, in direct current mother
When line voltage is higher, energy storage device is also beneficial to while reducing series connection accumulation device imbalance influences without excessive series connection
The degree of redundancy and realization hybrid energy-storing of raising system are unit-modularized, to improve the reliability of system, reduce system maintenance
Difficulty.
When applying hybrid energy-storing in direct current system, in order to embody the respective advantage of energy-storage travelling wave tube in hybrid energy-storing, Ying Yi
Reasonable power is formulated according to the two feature and stabilizes target, and energy delays when undertaking long in system by high-energy density energy storage device
Punching, high power density energy storage device then undertake renewable energy or load bring transient swing and impact in system.Meanwhile it answering
Online rationally estimation is carried out to the remaining capacity of the two, prevents the power of hybrid energy-storing device or capacity out-of-limit.Existing mixing
Energy storage power allocation scheme mainly has filter method, Objective Programming, optimal control method and intelligent control method etc., but these methods are more
It is to apply in free-standing converter.
Limitation existing for interface converter and control method for existing direct current mixed energy storage system, the present invention is with one
Kind three Port Translation device of twin-stage isolated DC is object, proposes the hybrid energy-storing control method for being directed to the three Port Translations device.
The advantages of three Port Translation device of hybrid energy-storing of the present invention, realizes in the case where being first under switching tube multiplexing
The electrical isolation of hybrid energy-storing side and DC bus-bar voltage side, and system power-density and step-up ratio are high.Secondly, in the converter
Interleaving and Transformer Paralleling can be further reduced the current ripples of battery side.The present invention is mentioned for above-mentioned hybrid energy-storing converter
Hybrid energy-storing control method out uses stage type structure, it can be achieved that prime on the basis of phase shift plus duty ratio debud mode
The independent design and decoupling control of hybrid energy-storing control and the sagging control of rear class constant pressure.
Summary of the invention
The present invention is in view of the shortcomings of the prior art, provide a kind of three Port Translation device of twin-stage isolated DC and its mixing storage
It can control method, in order to solve asking for limitation existing for the interface converter and control method of existing direct current mixed energy storage system
Topic, provides following technical scheme:
A kind of three Port Translation device of twin-stage isolated DC, it is characterized in that: including: Buck-Boost circuit 1, crisscross parallel
Circuit 2, super capacitor 6, battery 7, bidirectional active bridge circuit 3 and load resistance 4；
The three Port Translation device of twin-stage isolated DC is equipped with a low-voltage direct bus and a high voltage bus, described
Low-voltage direct bus in the low pressure hybrid energy-storing side of three Port Translation device of twin-stage isolated DC, the battery 7 and super
Grade capacitor 6 is connected in parallel on low-voltage direct bus by Buck-Boost circuit 1；
For the high voltage dc bus in the high-voltage load side of three Port Translation device of twin-stage isolated DC, the high pressure is female
Power transmission between line and low-voltage bus bar uses bidirectional active bridge circuit 3, and the load resistance 4 is connected in parallel on high voltage dc bus
Side.
A kind of hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC, it is characterized in that: including following step
It is rapid:
Step 1: prime low-pressure side is controlled using hybrid energy-storing power distribution control method using voltage-to-current closed loop PI
Device 5 controls battery 7 and super capacitor 6；
The 7 side switching tube duty ratio control amount D of battery generated using distribution1With 6 side switching tube duty ratio of super capacitor
Control amount D2Carry out 6 two energy-storage travelling wave tube power distributions of battery 7 and super capacitor；
Step 2: rear class high-pressure side using constant pressure sagging adjustings control load resistance 4, using voltage-to-current two close cycles into
Row adjusts the phase shifting angle φ generated, carries out the sagging adjusting of constant pressure by phase shifting angle φ and controls；
Step 3: being added the sagging control of direct current in rear class high voltage bus voltage-to-current closed loop PI controller 5, realizes and stores
7 side of battery, 6 side of super capacitor and load-side hybrid energy-storing parallel running, power equalization distribution.
Preferably, the 7 side switching tube duty ratio D of battery1It is passed through by battery side voltage-to-current closed loop PI controller 5
Output quantity decision after limiter, 6 side switching tube duty ratio D of super capacitor2It is controlled by super capacitor side voltage-to-current closed loop PI
Output quantity of the device 5 after limiter determines.
Preferably, the voltage-to-current closed loop PI controller 5 gives initial value by acquisition low-pressure side DC bus-bar voltage
v* refAnd the current sampling data of 6 side of battery 7 and super capacitor, it seeks forming new battery 7 and super electricity by following formula
Hold 6 end output voltage reference value vBA_refAnd vSC_ref:
Above-mentioned two formula may be expressed as: under frequency domain
Wherein CvFor super capacitor regulationing factor of power, LvFor battery power adjustment factor, iBAFor 7 side electric current of battery
Sampled value, iSCFor 6 side current sampling data of super capacitor.
Preferably, 7 end response system long time scale power of battery is formed using virtual impedance in formula (1) and (2)
Fluctuation and the fluctuation of 6 end response system transient power of super capacitor, form the hybrid energy-storing distribution method.
Preferably the sagging control of rear class constant pressure is made of the sagging control of Isobarically Control and direct current, and the Isobarically Control acquisition is high
Press side DC bus-bar voltage vo, the sagging control acquisition output electric current i of direct currento。
Preferably, power transmission direction and size are controlled by phase shifting angle φ between high voltage bus and low-voltage bus bar.
The present invention there are also following the utility model has the advantages that
Existing control method is applied to individual transform device more, and for the present invention under lower state, super capacitor end exports electric current
The transient current of load can be compensated rapidly, electric current is then slowly varying matches until with bearing power for accumulator terminal output, can be effective
Realize the control of three Port Translation device twin-stage hybrid energy-storing of twin-stage isolated DC.
The present invention can there are so that low-pressure side super capacitor is responded transient state in the case of chugging and fluctuation for load in systems
Power, battery responds steady state power, while the sagging control of the on high-tension side constant pressure of rear class allows multiple three ports of the type to become
The direct current mixed energy storage system parallel connection equilibrium operating that parallel operation is constituted.
Detailed description of the invention
Fig. 1 is the hybrid energy-storing control method figure of three Port Translation device of twin-stage isolated DC.
Fig. 2 is three Port Translation device structural schematic diagram of twin-stage isolated DC.
Fig. 3 is prime hybrid energy-storing power distribution method control block diagram.
Fig. 4 is the variation diagram of each port output electric current of three Port Translation device of twin-stage isolated DC.
Fig. 5 is the simulation result schematic diagram of sagging lower two hybrid energy-storings, the three port parallel running of control of rear class constant pressure.
Specific embodiment
Below in conjunction with specific embodiment, describe the invention in detail.
The present invention, a kind of hybrid energy-storing control method figure of three Port Translation device of twin-stage isolated DC is as shown in Fig. 1,
Add and account for by the control of prime hybrid energy-storing, the sagging control of rear class constant pressure and for the phase shift of three Port Translation device of twin-stage isolated DC
Sky is than control composition.
Specific embodiment 1:
Three Port Translation device structural schematic diagram of twin-stage isolated DC is as shown in Fig. 2, three port of twin-stage isolated DC becomes
Parallel operation mixed energy storage system includes: Buck-Boost circuit 1, crisscross parallel circuit 2, super capacitor 6, battery 7, bidirectional active
Bridge circuit 3 and load resistance 4.
Three Port Translation device of twin-stage isolated DC constructs a low-voltage direct bus and a high voltage bus, described
Low-voltage direct bus is in the low pressure hybrid energy-storing side of three Port Translation device of twin-stage isolated DC, the battery 7 and super
Capacitor 6 is connected in parallel on low-voltage direct bus by Buck-Boost circuit 1；
High voltage dc bus is between the high-voltage load side of three Port Translation device of twin-stage isolated DC, the high voltage bus
Power transmission uses bidirectional active bridge circuit 3, and the load resistance 4 is connected in parallel on high voltage dc bus side.
Specific embodiment 2:
A kind of hybrid energy-storing control method figure of three Port Translation device of twin-stage isolated DC is as shown in Fig. 1, by prime
Hybrid energy-storing, which controls, rear class constant pressure is sagging controls and adds duty ratio control for the phase shift of three Port Translation device of twin-stage isolated DC
System composition.
v* oInitial value, v are given for high-pressure side DC bus-bar voltageoFor high-pressure side DC bus-bar voltage sampled value, vo_refFor
High-pressure side DC bus-bar voltage given value after sagging control and regulation.
High-pressure side DC bus-bar voltage gives initial value prime hybrid energy-storing power distribution method as shown in figure 3, by adopting
Collect battery 7,6 end electric current i of super capacitorBA、iSCWith low-voltage direct busbar voltage vCLBy distribution method as shown in Figure 3 and
Voltage-to-current closed loop PI controller 5 obtains the duty ratio control amount D of control low-side switch pipe after controlling1And D2.Voltage-to-current
Closed loop PI controller 5 is by low-pressure side DC bus-bar voltage sampled value vCLIt is given that ring is adjusted with the voltage after power distribution controls
Value determines.The voltage after power distribution controls adjusts ring given value and is sought by following formula:
Above-mentioned two formula may be expressed as: under frequency domain
Wherein vBA_refAnd vSC_refFor the electricity of 6 side of 7 side of battery and super capacitor after power distribution control method
Pressure adjusts ring given value, CvFor super capacitor regulationing factor of power, LvFor battery power adjustment factor, v* refIt is straight for low-pressure side
It flows bus and gives initial value, iBAFor 7 side current sampling data of battery, iSCFor 6 side current sampling data of super capacitor.
Hybrid energy-storing power distribution control method forms 7 end of battery response system by virtual impedance in formula (1) and (2)
The hybrid energy-storing distribution method of system long time scale power swing and the fluctuation of 6 end response system transient power of super capacitor
The sagging control of rear class constant pressure is made of the sagging control of Isobarically Control and direct current, described in the sagging control algolithm acquisition of constant pressure
High-pressure side DC bus-bar voltage and output electric current, it is two-way in three Port Translation devices of output control after the sagging control algolithm of constant pressure
The phase shifting angle φ of active bridge circuit 3, then pressure stabilizing control is carried out by phase shifting angle φ.
The variation diagram of each port of three Port Translation device of twin-stage isolated DC output electric current as shown in figure 4, under lower state,
It is 0 that 6 end of super capacitor, which exports electric current, and in 1.2s and 2.2s, bearing power mutates, it can be seen that 6 end of super capacitor is defeated
Electric current can compensate rapidly the transient current of load out, and electric current is then slowly varying matches until with bearing power for the output of 7 end of battery.
The validity for the hybrid energy-storing control method that the result verification present invention is mentioned.
Simulation result schematic diagram such as Fig. 5 institute of sagging lower two hybrid energy-storings, the three port parallel running of control of rear class constant pressure
Show, as can be seen from Figure 5 when stable state, the current balance of battery one and battery two, super capacitor one and super when transient state
The transient state of capacitor two compensates current balance, and system power may be implemented effectively to divide equally, and demonstrates three port hybrid energy-storage systems simultaneously
The validity of institute's invention control method in the case of connection.
The above is only the preferred implementation side of the hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC
The protection scope of formula, the hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking all belong to the scope of protection of the present invention.It should be pointed out that for the technology of the art
For personnel, several improvements and changes without departing from the principles of the present invention, such modifications and variations also should be regarded as this hair
Bright protection scope.
Claims (7)
1. a kind of three Port Translation device of twin-stage isolated DC, it is characterized in that: including: Buck-Boost circuit (1), crisscross parallel
Circuit (2), super capacitor (6), battery (7), bidirectional active bridge circuit (3) and load resistance (4)；
The three Port Translation device of twin-stage isolated DC is equipped with a low-voltage direct bus and a high voltage bus, and described is low
Press DC bus in the low pressure hybrid energy-storing side of three Port Translation device of twin-stage isolated DC, the battery (7) and super
Capacitor (6) is connected in parallel on low-voltage direct bus by Buck-Boost circuit (1)；
The high voltage dc bus in the high-voltage load side of three Port Translation device of twin-stage isolated DC, the high voltage bus and
Power transmission between low-voltage bus bar uses bidirectional active bridge circuit (3), and the load resistance (4) is connected in parallel on high voltage dc bus
Side.
2. a kind of hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC, it is characterized in that: the following steps are included:
Step 1: prime low-pressure side utilizes voltage-to-current closed loop PI controller (5) using hybrid energy-storing power distribution control method
Control battery (7) and super capacitor (6)；
Battery (7) side switching tube duty ratio control amount D generated using distribution1With the switching tube duty ratio control of super capacitor (6) side
Amount D processed2Carry out battery (7) and (6) two energy-storage travelling wave tube power distributions of super capacitor；
Step 2: rear class high-pressure side is carried out using sagging adjusting control load resistance (4) of constant pressure using voltage-to-current two close cycles
The phase shifting angle φ generated is adjusted, the sagging adjusting of constant pressure is carried out by phase shifting angle φ and is controlled；
Step 3: being added the sagging control of direct current in rear class high voltage bus voltage-to-current closed loop PI controller (5), realizes electric power storage
Pond (7) side, super capacitor (6) side and load-side hybrid energy-storing parallel running, power equalization distribution.
3. a kind of hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC according to claim 2,
It is characterized in: battery (7) the side switching tube duty ratio D1By battery side voltage-to-current closed loop PI controller (5) through clipping
Output quantity decision after device, super capacitor (6) side switching tube duty ratio D2By super capacitor side voltage-to-current closed loop PI controller
(5) output quantity after limiter determines.
4. special according to a kind of hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC as claimed in claim 2
Sign is: the voltage-to-current closed loop PI controller (5) gives initial value by acquisition low-pressure side DC bus-bar voltageAnd
The current sampling data of battery (7) and super capacitor (6) side, seeks forming new battery (7) and super capacitor by following formula
(6) output voltage reference value v is heldBA_refAnd vSC_ref:
Above-mentioned two formula may be expressed as: under frequency domain
Wherein CvFor super capacitor regulationing factor of power, LvFor battery power adjustment factor, iBAIt is adopted for battery (7) side electric current
Sample value, iSCFor super capacitor (6) side current sampling data.
5. special according to a kind of hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC as claimed in claim 4
Sign is: forming battery (7) end response system long time scale power swing using virtual impedance in formula (1) and (2) and surpasses
Grade capacitor (6) holds the fluctuation of response system transient power, forms the hybrid energy-storing distribution method.
6. special according to a kind of hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC as claimed in claim 2
Sign is: the sagging control of rear class constant pressure is made of the sagging control of Isobarically Control and direct current, and the Isobarically Control acquires high-pressure side direct current
Busbar voltage vo, the sagging control acquisition output electric current i of direct currento。
7. the hybrid energy-storing control method of three Port Translation device of twin-stage isolated DC according to claim 2, feature
Be: power transmission direction and size are controlled by phase shifting angle φ between high voltage bus and low-voltage bus bar.
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| CN201811202329.0A CN109274271B (en) | 2018-10-16 | 2018-10-16 | Two-stage isolation type DC three-port converter and hybrid energy storage control method thereof |
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| CN201811202329.0A CN109274271B (en) | 2018-10-16 | 2018-10-16 | Two-stage isolation type DC three-port converter and hybrid energy storage control method thereof |
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| CN110212776B (en) * | 2019-06-14 | 2020-11-13 | 哈尔滨工业大学 | Hybrid energy storage three-port DC-DC converter and power distribution control method thereof |
| CN110212776A (en) * | 2019-06-14 | 2019-09-06 | 哈尔滨工业大学 | A kind of three port DC-DC converter of hybrid energy-storing and its power distribution control method |
| CN111130350B (en) * | 2020-01-17 | 2021-08-03 | 东莞南方半导体科技有限公司 | Boost mode constant current control method and circuit of soft switch bidirectional direct current converter |
| CN111181398A (en) * | 2020-01-17 | 2020-05-19 | 东莞市恒信第三代半导体研究院 | Voltage reduction mode constant power control method and circuit of soft switch bidirectional direct current converter |
| CN111211692A (en) * | 2020-01-17 | 2020-05-29 | 东莞南方半导体科技有限公司 | Boost mode constant power control method and circuit of soft switch bidirectional direct current converter |
| CN111245231A (en) * | 2020-01-17 | 2020-06-05 | 东莞南方半导体科技有限公司 | Boost mode constant voltage control method and circuit of soft switch bidirectional direct current converter |
| CN111130350A (en) * | 2020-01-17 | 2020-05-08 | 东莞南方半导体科技有限公司 | Boost mode constant current control method and circuit of soft switch bidirectional direct current converter |
| CN111245231B (en) * | 2020-01-17 | 2021-08-03 | 东莞南方半导体科技有限公司 | Boost mode constant voltage control method and circuit of soft switch bidirectional direct current converter |
| CN111064365A (en) * | 2020-01-17 | 2020-04-24 | 东莞市恒信第三代半导体研究院 | Voltage reduction mode constant voltage control method and circuit of soft switch bidirectional direct current converter |
| CN111211692B (en) * | 2020-01-17 | 2021-08-06 | 东莞南方半导体科技有限公司 | Boost mode constant power control method and circuit of soft switch bidirectional direct current converter |
| CN111342664A (en) * | 2020-02-24 | 2020-06-26 | 华中科技大学 | Integrated DC-DC converter and control method thereof |
| CN113258597A (en) * | 2021-05-07 | 2021-08-13 | 南方电网科学研究院有限责任公司 | Method and device for controlling bipolar power balance and storage medium |
| CN113258597B (en) * | 2021-05-07 | 2022-02-18 | 南方电网科学研究院有限责任公司 | Method and device for controlling bipolar power balance and storage medium |
| CN114204538A (en) * | 2021-11-29 | 2022-03-18 | 哈尔滨工业大学 | Direct-current micro-grid interconnection converter and power coordination control method thereof |
| CN114204538B (en) * | 2021-11-29 | 2023-10-13 | 哈尔滨工业大学 | Direct-current micro-grid interconnection converter and power coordination control method thereof |
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