CN106208638A - Device for converting electric energy and corresponding electric energy management connection system - Google Patents
Device for converting electric energy and corresponding electric energy management connection system Download PDFInfo
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- CN106208638A CN106208638A CN201510218559.6A CN201510218559A CN106208638A CN 106208638 A CN106208638 A CN 106208638A CN 201510218559 A CN201510218559 A CN 201510218559A CN 106208638 A CN106208638 A CN 106208638A
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Abstract
The invention discloses a kind of device for converting electric energy and electric energy management connection system.This device for converting electric energy includes: ac input end；First AC-to DC modular converter；Direct-flow input end；First direct current is to exchange modular converter；Transformer module；Second AC-to DC modular converter；DC output end；Ac output end；Second direct current is to exchange modular converter.Described device for converting electric energy has and is simultaneously entered output unidirectional current and the function of alternating current, and the employing of transformer module can produce electrical isolation to input and output, safer.
Description
Technical field
The present invention relates to electric and electronic technical field, particularly relate to a kind of device for converting electric energy and electric energy management
Connection system.
Background technology
Industrial power distribution network field, the Distributed Power Generation with the clean energy resource such as solar energy, wind energy as raw material is fast
Speed development.This capacity, the generating equipment of several kilowatts to several million kilowatts, is connected in industrial power distribution network, can
With with neighbouring load structure distribution subsystem, also referred to as micro-capacitance sensor.Industry micro-capacitance sensor has the side of operation flexibly
Formula, both can be incorporated into the power networks, it is possible to islet operation.Trend tool when being incorporated into the power networks, between micro-capacitance sensor and electrical network
Having amphicheirality, micro-capacitance sensor both can be to the power of electrical network conveying surplus, it is possible to obtains power from electrical network and supplements；When
During electrical grid failure, micro-capacitance sensor can depart from electrical network and form isolated island, important in so may insure that micro-capacitance sensor
The supply of electric power of load.But the conversion of existing electric energy and management system structure are complicated, and reliability is the highest, and
And can not input and output while compatible with alternating and direct current.
Therefore, it is intended that design a kind of should in industrial power distribution network, simple in construction, safety is high and can hold concurrently
Hold AC and DC electric energy and be simultaneously entered electric energy conversion and the management system of output.
Summary of the invention
It is an object of the present invention to provide structure simpler, safety is higher, and energy compatible with alternating is with straight
Stream electric energy is simultaneously entered device for converting electric energy and the electric energy management connection system of output.
According to one embodiment of present invention, it is provided that a kind of device for converting electric energy, described device for converting electric energy
Including: ac input end, it is used for connecting alternating current input；First AC-to DC modular converter, its input
End is connected with described ac input end, for the AC conversion inputted is become unidirectional current；Direct-flow input end,
For connecting DC supply input；First direct current is to exchange modular converter, its input and described direct-flow input end
Connect, be simultaneously connected with the output of described first AC-to DC modular converter, for the unidirectional current that will be inputted
Change into alternating current；Transformer module, its primary side with described first direct current to the output exchanging modular converter
End connects；Second AC-to DC modular converter, its input is connected with the primary side of described transformer module,
For the AC conversion inputted is become unidirectional current；DC output end, turns with described second AC-to DC
The outfan of die change block connects, for DC power output；Ac output end, for output AC electric energy；
Second direct current is to exchange modular converter, its input and the outfan of described second AC-to DC modular converter
Connect, for the DC conversion inputted being become alternating current and this alternating current is defeated by ac output end
Go out.
Alternatively, described first AC-to DC modular converter is rectifier circuit.
Alternatively, described first direct current comprises to exchange modular converter: boost chopper, full-bridge inverting electricity
Road and accumulator interface；The input of described boost chopper and described first AC-to DC modular converter
Outfan connect, for the unidirectional current boost chopper that will be inputted；Described accumulator interface and described boosting
The outfan of chopper circuit connects, and is used for connecting external accumulator to store or to release direct current energy；Described entirely
Bridge inverter circuit is connected with the outfan of boost chopper, for the DC conversion inputted is become exchange
Electricity.
Alternatively, described boost chopper comprises: inductance, transistor, diode and electric capacity；Inductance string
It is connected between outfan and the colelctor electrode of transistor of the first AC-to DC modular converter, diode and electric capacity
Be attempted by between the collector and emitter of transistor, described electric capacity as described booster circuit outfan with
Described full bridge inverter and accumulator interface also connect.
Alternatively, described boost chopper comprises: inductance, transistor, diode and electric capacity；Inductance string
It is connected between outfan and the colelctor electrode of transistor of the first AC-to DC modular converter, diode and electric capacity
Concatenation is followed by between the collector and emitter of transistor, and described electric capacity is as the output of described booster circuit
End is connected with the side of accumulator interface, and the opposite side of accumulator interface connects with the input of full bridge inverter
Connect.
Alternatively, described second AC-to DC modular converter comprise rectifier circuit and with described rectifier bridge
Circuit the filter circuit connect.
Alternatively, described second direct current is a kind of full bridge inverter to exchange modular converter.
According to one embodiment of present invention, it is provided that a kind of electric energy management connection system, described electric energy management
Connection system comprises: three-phase electric energy conversion equipment, and the device for converting electric energy of each of which phase is that above-mentioned electric energy turns
Changing device；Alternating current source, with the device for converting electric energy of each phase of described three-phase electric energy conversion equipment exchange input
End connects, for corresponding electrical energy changer input AC electric energy；DC source, turns with described three-phase electric energy
The direct-flow input end of the device for converting electric energy of each phase of changing device connects, for defeated to corresponding electrical energy changer
Enter direct current energy；Direct current supply line, with the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
DC output end connect, receive corresponding device for converting electric energy output direct current energy；Alternating Current Power Supply net, with
The ac output end of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment connects, and receives corresponding electricity
The AC energy of energy conversion equipment output.
Alternatively, electric energy management connection system also includes: the first switches set, and described alternating current source is by described the
One switches set is connected with the ac input end of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment；
Second switch group, described DC source is by each phase of described second switch group with described three-phase electric energy conversion equipment
Device for converting electric energy direct-flow input end connect；3rd switches set, described direct current supply line is by described
3rd switches set is connected with the DC output end of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment.
Alternatively, electric energy management connection system also includes: transformer group, and its primary side turns with the electric energy of each phase
The ac output end of changing device connects, and wherein said Alternating Current Power Supply net connects the primary side of described transformer group,
Thus be connected with the ac output end of the device for converting electric energy of each phase by transformer group.
Owing to device for converting electric energy according to embodiments of the present invention has ac input end, direct-flow input end, direct current
Outfan, ac output end, therefore can reach compatible with alternating and direct current energy is simultaneously entered the effect of output.
Owing to the first direct current to exchange modular converter and the second AC-to DC modular converter are connected by transformer module,
Achieve the high frequency electrical isolation in electric energy transformation process, if the second AC-to DC modular converter and
The faults such as part afterwards is short-circuited, then do not interfere with the first direct current to exchange modular converter and before
Part, reached the higher effect of safety.Owing to the embodiment of the present invention uses direct current, exchanges defeated entry/exit
The structure of end and some modular converters realizes above-mentioned functions, has reached the simple purpose of structure.
Accompanying drawing explanation
The detailed description that non-limiting example is done made with reference to the following drawings by reading, the present invention
Other features, objects and advantages will become more apparent upon.
Fig. 1 is the ultimate principle figure of electric energy management connection system according to an embodiment of the invention；
Fig. 2 is device for converting electric energy topological structure schematic diagram according to an embodiment of the invention；
Fig. 3 is the structural representation of electric energy management connection system according to an embodiment of the invention.
Detailed description of the invention
Embodiments of the invention are described below in detail.
The example of described embodiment is shown in the drawings, and the most same or similar label represents phase
With or similar element or there is the element of same or like function.The enforcement described below with reference to accompanying drawing
Example is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.Public affairs hereafter
Open and provide different embodiment or example to realize the different structure of the present invention.In order to simplify disclosure of the invention,
Hereinafter specific examples parts and setting are described.Certainly, they are the most merely illustrative, and purpose is not
It is to limit the present invention.
Fig. 1 shows the ultimate principle of electric energy management connection system according to an embodiment of the invention.This electric energy
Management connection system is broadly divided into three parts: input stage, intergrade and output stage.Wherein, input stage bag
Include alternating current source and DC source；Intergrade is a kind of electrical energy changer, for the electric current inputted is carried out merit
Rate converts；Particularly, described power conversion comprises: AC-to DC is changed, and AC to AC conversion is with straight
Flow to exchange conversion；Output stage includes direct current supply line and Alternating Current Power Supply net.Input stage inputs to intergrade
AC or DC electric energy, intergrade carries out power conversion as required to institute's input current, after finally changing
Electric energy export to output stage with the form of direct current or AC energy.The electric energy conversion that this ultimate principle figure describes
Management connection system has and is simultaneously entered the electric and galvanic function of output AC.
Hereinafter according to embodiments of the invention, and the detailed tool describing above-mentioned principle of Fig. 2 and Fig. 3 will be combined
Body embodiment.
Fig. 2 shows the topological structure of device for converting electric energy according to an embodiment of the invention.This electric energy is changed
Device includes: ac input end 010, for input AC electric energy；First AC-to DC modular converter 020,
Its input is connected with described ac input end 010, for the AC conversion inputted is become unidirectional current；
Direct-flow input end 030, for input direct-current electric energy；First direct current is to exchange modular converter 040, its input
It is connected with described direct-flow input end 030, is simultaneously connected with the defeated of described first AC-to DC modular converter 020
Go out, for the DC conversion inputted is become alternating current；Transformer module 050, its primary side and described the
The outfan always flowing to exchange modular converter 040 connects；Second AC-to DC modular converter 060, it is defeated
Enter end to be connected with the primary side of described transformer module 050, for the AC conversion inputted is become direct current
Electricity；DC output end 070, is connected with the outfan of described second AC-to DC modular converter 060, is used for
DC power output；Ac output end 090, for output AC electric energy；Second direct current is to exchange modular converter
080, its input is connected with the outfan of described second AC-to DC modular converter 060, for by defeated for institute
The DC conversion entered becomes alternating current, and is exported by ac output end 090 by this alternating current.
It will be seen that the first direct current is to exchange modular converter 040 and the second AC-to DC modular converter 060
It is connected by transformer module 050, it is achieved that the high frequency electrical isolation in electric energy transformation process, if the
The faults such as two AC-to DC modular converters 060 and part afterwards thereof are short-circuited, then do not interfere with
Flow to exchange modular converter 040 and part before thereof always.
In one embodiment, described first AC-to DC modular converter 020 is a kind of rectifier circuit.
Described rectifier circuit comprises four diode D1, D2, D3, D4.Described diode dock two-by-two after with
The output of circuit and input do bridge-type and connect, and constitute basic rectification function module.Here rectifier circuit
The bridge rectifier of multi-form can also being replaced with, as long as having, alternating current being converted to galvanic function
?.
In one embodiment, described first direct current comprises to exchange modular converter 040: boost chopper
041, accumulator interface 042 and full bridge inverter 043；The input of described boost chopper 041 with
The outfan of described first AC-to DC modular converter 020 connects, for the unidirectional current boosting that will be inputted
Copped wave；Described accumulator interface 042 is connected with the outfan of described boost chopper 041, is used for connecting
External accumulator is to store or to release direct current energy；The input of described full bridge inverter 043 is cut with boosting
The outfan of wave circuit 041 connects, for the DC conversion inputted is become alternating current.
In one embodiment, described boost chopper 041 comprises: inductance L1, transistor S1, two poles
Pipe D5 and electric capacity C1；Inductance L1 is serially connected with outfan and the crystal of the first AC-to DC modular converter 020
Between the colelctor electrode of pipe S1, diode D5 and electric capacity C1 series connection be followed by transistor S1 colelctor electrode and send out
Between emitter-base bandgap grading, described electric capacity C1 connects with the side of accumulator interface 042 as the outfan of described booster circuit
Connecing, the opposite side of accumulator interface is connected with the input of full bridge inverter.This boost chopper 041
In, the energy storage effect of inductance L1 can be utilized, to electric capacity two by controlling the turn-on and turn-off of transistor S1
Terminal voltage is boosted, and the input current at electric capacity two ends is carried out copped wave simultaneously, if accumulator interface 042
Connect and have external accumulator, then just accumulator can be charged during boost chopper.Pass through
Control conducting and the disconnection times of transistor S1, control the final size of electric capacity both end voltage.
In one embodiment, described full bridge inverter includes four transistor S2, S3, S4, S5.Brilliant
The emitter stage of body pipe S2 is connected with the colelctor electrode of transistor S4, the emitter stage of transistor S3 and transistor S5
Colelctor electrode connect.Transistor S2 and S4 of concatenation is together in parallel also with transistor S3 and S5 connected
Connection point is as the input of full bridge inverter, the junction point of transistor S2 and S4, transistor S3 and S5
Junction point as the outfan of full bridge inverter.
With the direct current of prior art to exchanging, then connect the conversion merit of the DC-to-DC that AC-to DC is completed
Can compare, the present invention is boost chopper 041 in the middle of described first direct current to exchange modular converter 040
Outfan is incorporated to accumulator interface 042, and this accumulator interface 042 can be with external accumulator, then the most described
Whether device for converting electric energy, to external output electric energy, can get up electrical power storage when there being electric energy to input；
And can be when inputting described device for converting electric energy without electric energy, it is defeated that the accumulator connected can serve as electric energy
Enter, outwardly export electric energy by this device for converting electric energy.Additionally, this accumulator interface 042 is positioned at first
AC-to DC modular converter 020 and boost chopper 041 downstream, say, that be plugged in this electric power storage
The battery of pond interface can store the electric energy from AC and DC simultaneously.It is so designed that and reduces power electronics
The scale of system, it is often more important that, the device for converting electric energy making described device for converting electric energy more traditional has storage
Energy function, and the electric energy from AC and DC can be stored simultaneously.
In one embodiment, described second AC-to DC modular converter 060 comprises rectifier circuit 061
And with described rectifier circuit the filter circuit 062 that connects.Described rectifier circuit comprises four diodes
D6, D7, D8, D9, form bridge-type and connect.Filter circuit 062 include the electric capacity C2 that strobes and
C3.Annexation between D6-D9 and C2-3 is shown in Fig. 2.
In one embodiment, described second direct current is a kind of full bridge inverter to exchange modular converter 080.
Described full bridge inverter includes four group transistors and diode combinations Z1, Z2, Z3, Z4, forms bridge-type even
Connect.Each in Z1, Z2, Z3, Z4 includes transistor and the diode of parallel connection respectively.Z1, Z2,
Annexation between Z3, Z4 and internal annexation are shown in Fig. 2.By controlling described transistor turns and pass
Disconnected phase place, controls the dutycycle of output AC voltage, and then controls its frequency and amplitude.
In one embodiment, three set device for converting electric energy can be connected in parallel, and constitutes three-phase electric energy conversion
Power electronic system, as shown in S100 in Fig. 3, wherein, each phase device for converting electric energy P1, P2, P3 can
Dismounting, replaceable.
Fig. 3 shows the topological structure of the electric energy management connection system according to embodiments of the invention, this electric energy pipe
Reason connection system includes:
Three-phase electric energy conversion equipment P1, P2, P3, the device for converting electric energy of each of which phase is as above
Device for converting electric energy；
Alternating current source S600, with the device for converting electric energy of each phase of described three-phase electric energy conversion equipment exchange input
End connects, for corresponding electrical energy changer input AC electric energy；
DC source S700, inputs with the direct current of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
End connects, for corresponding electrical energy changer input direct-current electric energy；
Direct current supply line S800, straight with the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
Stream outfan connects, and receives the direct current energy of corresponding device for converting electric energy output；
Alternating Current Power Supply net S900, with exchanging of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
Outfan connects, and receives the AC energy of corresponding device for converting electric energy output.
This electric energy management connection system can also include:
First switches set S200, described alternating current source is by described first switches set and described three-phase electric energy conversion dress
The ac input end of the device for converting electric energy of each phase put connects；
Second switch group S300, described DC source is by described second switch group and described three-phase electric energy conversion dress
The direct-flow input end of the device for converting electric energy of each phase put connects；
3rd switches set S400, described direct current supply line is by described 3rd switches set and described three-phase electric energy
The DC output end of the device for converting electric energy of each phase of conversion equipment connects.
This electric energy management connection system can also include:
Transformer group S500, its primary side is connected with the ac output end of the device for converting electric energy of each phase, wherein
Described Alternating Current Power Supply net connects the primary side of described transformer group, thus by the electric energy of transformer group with each phase
The ac output end of conversion equipment connects.
In one embodiment, alternating current source S600 is the alternating current power supply that wind-power electricity generation produces；Alternating current source transmission electricity
Four line three-phase connections can be used；DC source S700 be DC source be solaode, fuel cell, biomass
And the DC source that super capacitor produces；Described power supply is Distributed-generation equipment.
In one embodiment, the first switches set S200 and second switch S300 group can be respectively turned on or
It is also turned on, for providing direct current or alternating current to described three-phase electric energy power conversion electronic system S100 respectively
Can, or provide direct current and AC energy to described three-phase electric energy power conversion electronic system S100 simultaneously.
In one embodiment, when the 3rd switches set S400 disconnects, described three-phase electric energy power conversion Department of Electronics
System S100 is only to Alternating Current Power Supply net S900 output AC electric energy；When 3rd switch S400 group is connected, described three
Phase electric energy power conversion electronic system S100 exchanges with described to described direct current supply line S800 the most respectively
Power supply network S900 DC power output and AC energy.
Described device for converting electric energy is provided with ac input end 010, direct-flow input end 030, ac output end 090,
DC output end 070, and in described electric energy management connection system S100, changeable each group of switch, to friendship
Stream source S600 and the input of DC source S700 electric energy, and the output to direct current supply line is controlled, this
Sample has just reached in electric energy management connection system S100, by a device for converting electric energy, has simultaneously
There is the function of AC and DC input and output.
It addition, use transformer group S500 to couple the friendship of described three-phase electric energy power conversion electronic system S100
Stream outfan 070 and Alternating Current Power Supply net S900, it is achieved that the electrical isolation between device for converting electric energy and power supply network.
Being both needed to from AC network compared with reconvert with the use of direct current energy in prior art, described electric energy turns
The DC output end 070 of changing device is positioned at described second direct current to before exchange modular converter 080, and can pass through
3rd switches set S400 connects direct current supply line, and this direct current supply line directly can provide straight for neighbouring load
Stream electric energy.The most just it is formed about by neighbouring load and electric energy converter device at described device for converting electric energy
The micro-capacitance sensor constituted, enormously simplify the electric energy switch process that adjacent DC is powered, and improves efficiency, saves energy
Source.
Claims (9)
1. a device for converting electric energy, it is characterised in that described device for converting electric energy includes:
Ac input end, is used for connecting alternating current input；
First AC-to DC modular converter, its input is connected with described ac input end, for by defeated for institute
The AC conversion entered becomes unidirectional current；
Direct-flow input end, is used for connecting DC supply input；
First direct current is to exchange modular converter, and its input is connected with described direct-flow input end, is simultaneously connected with institute
State the output of the first AC-to DC modular converter, for the DC conversion inputted is become alternating current；
Transformer module, its primary side is connected to the outfan of exchange modular converter with described first direct current；
Second AC-to DC modular converter, its input is connected with the primary side of described transformer module, uses
In the AC conversion inputted is become unidirectional current；
DC output end, is connected with the outfan of described second AC-to DC modular converter, is used for exporting directly
Stream electric energy；
Ac output end, for output AC electric energy；
Second direct current is to exchange modular converter, and its input is defeated with described second AC-to DC modular converter
Going out end to connect, for the DC conversion inputted being become alternating current, and this alternating current being exported by exchange
End output.
Device for converting electric energy the most according to claim 1, it is characterised in that described first exchange is to straight
Stream modular converter is rectifier circuit.
Device for converting electric energy the most according to claim 1, it is characterised in that described first direct current is to handing over
Stream modular converter comprises: boost chopper, full bridge inverter and accumulator interface；Described boost chopper
The input of circuit is connected with the outfan of described first AC-to DC modular converter, for being inputted
Unidirectional current boost chopper；Described accumulator interface is connected with the outfan of described boost chopper, for even
Connect external accumulator to store or to release direct current energy；Described full bridge inverter is defeated with boost chopper
Go out end to connect, for the DC conversion inputted is become alternating current.
Device for converting electric energy the most according to claim 3, it is characterised in that described boost chopper
Comprise: inductance, transistor, diode and electric capacity；Inductance is serially connected with the first AC-to DC modular converter
Between outfan and the colelctor electrode of transistor, diode and capacitance series be followed by transistor colelctor electrode and send out
Between emitter-base bandgap grading, described electric capacity is connected with the side of accumulator interface as the outfan of described booster circuit, stores
The opposite side of battery interface is connected with the input of full bridge inverter.
Device for converting electric energy the most according to claim 1, it is characterised in that described second exchange is to straight
Stream modular converter comprise rectifier circuit and with described rectifier circuit the filter circuit that connects.
Device for converting electric energy the most according to claim 1, it is characterised in that described second direct current is to handing over
Stream modular converter is full bridge inverter.
7. an electric energy management connection system, it is characterised in that described electric energy management connection system comprises:
Three-phase electric energy conversion equipment, the device for converting electric energy of each of which phase is according to claim 1
Device for converting electric energy；
Alternating current source, connects with the ac input end of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
Connect, for corresponding electrical energy changer input AC electric energy；
DC source, connects with the direct-flow input end of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
Connect, for corresponding electrical energy changer input direct-current electric energy；
Direct current supply line, defeated with the direct current of the device for converting electric energy of each phase of described three-phase electric energy conversion equipment
Go out end to connect, receive the direct current energy of corresponding device for converting electric energy output；
Alternating Current Power Supply net, with the device for converting electric energy of each phase of described three-phase electric energy conversion equipment exchange output
End connects, and receives the AC energy of corresponding device for converting electric energy output.
Electric energy management connection system the most according to claim 7, also includes:
First switches set, described alternating current source is by described first switches set and described three-phase electric energy conversion equipment
The ac input end of the device for converting electric energy of each phase connects；
Second switch group, described DC source is by described second switch group and described three-phase electric energy conversion equipment
The direct-flow input end of the device for converting electric energy of each phase connects；
3rd switches set, described direct current supply line is changed with described three-phase electric energy by described 3rd switches set
The DC output end of the device for converting electric energy of each phase of device connects.
Electric energy management connection system the most according to claim 7, also includes:
Transformer group, its primary side is connected with the ac output end of the device for converting electric energy of each phase, wherein said
Alternating Current Power Supply net connects the primary side of described transformer group, thus is changed by the electric energy of transformer group with each phase
The ac output end of device connects.
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| CN201510218559.6A CN106208638A (en) | 2015-04-30 | 2015-04-30 | Device for converting electric energy and corresponding electric energy management connection system |
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| CN201510218559.6A CN106208638A (en) | 2015-04-30 | 2015-04-30 | Device for converting electric energy and corresponding electric energy management connection system |
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| WO2018126556A1 (en) * | 2017-01-04 | 2018-07-12 | 广东百事泰电子商务股份有限公司 | Intelligent half-bridge correction wave voltage conversion circuit based on pfc and llc resonances |
| CN109039033A (en) * | 2018-08-31 | 2018-12-18 | 珠海格力电器股份有限公司 | Power supply change-over device |
| CN110868076A (en) * | 2019-11-15 | 2020-03-06 | 中国舰船研究设计中心 | DC-DC chopper device for ship regional power distribution |
| WO2021078241A1 (en) * | 2019-10-25 | 2021-04-29 | 苏州宝时得电动工具有限公司 | Inverter with a plurality of input interfaces |
| CN116131618A (en) * | 2022-12-13 | 2023-05-16 | 深圳市麦格米特驱动技术有限公司 | Aging test device, method and system |
| CN116505779A (en) * | 2023-05-17 | 2023-07-28 | 江苏科曜能源科技有限公司 | Single-phase energy storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018107622A1 (en) * | 2016-12-14 | 2018-06-21 | 广东百事泰电子商务股份有限公司 | Pfc double full bridge-based smart correction wave voltage conversion circuit |
| WO2018107621A1 (en) * | 2016-12-15 | 2018-06-21 | 广东百事泰电子商务股份有限公司 | Smart sine wave voltage conversion circuit based on pfc flyback full bridge |
| CN106533194A (en) * | 2016-12-15 | 2017-03-22 | 广东百事泰电子商务股份有限公司 | PFC forward full-bridge-based intelligent type correction filtering voltage conversion circuit |
| CN106533195A (en) * | 2016-12-15 | 2017-03-22 | 广东百事泰电子商务股份有限公司 | Intelligent full-bridge sine-wave voltage switching circuit based on PFC and LLC resonance |
| CN106787799A (en) * | 2016-12-27 | 2017-05-31 | 广东百事泰电子商务股份有限公司 | A kind of intelligent sine voltage change-over circuit based on PFC normal shock half-bridges |
| CN106787798A (en) * | 2016-12-27 | 2017-05-31 | 广东百事泰电子商务股份有限公司 | Intelligent sine voltage change-over circuit based on PFC interleaving inverse excitation full-bridges |
| CN106787754A (en) * | 2016-12-27 | 2017-05-31 | 广东百事泰电子商务股份有限公司 | Intelligent amendment wave voltage change-over circuit based on PFC interleaving inverse excitation full-bridges |
| CN106787800A (en) * | 2016-12-27 | 2017-05-31 | 广东百事泰电子商务股份有限公司 | A kind of intelligent amendment wave voltage change-over circuit based on PFC normal shock half-bridges |
| WO2018120522A1 (en) * | 2016-12-27 | 2018-07-05 | 广东百事泰电子商务股份有限公司 | Pfc forward conversion half bridge-based smart modified sine wave voltage conversion circuit |
| WO2018120523A1 (en) * | 2016-12-27 | 2018-07-05 | 广东百事泰电子商务股份有限公司 | Pfc forward conversion half bridge-based smart sine wave voltage conversion circuit |
| WO2018126556A1 (en) * | 2017-01-04 | 2018-07-12 | 广东百事泰电子商务股份有限公司 | Intelligent half-bridge correction wave voltage conversion circuit based on pfc and llc resonances |
| CN106849690A (en) * | 2017-01-04 | 2017-06-13 | 广东百事泰电子商务股份有限公司 | Intelligent half-bridge sine voltage change-over circuit based on PFC Yu LLC resonance |
| CN106787807A (en) * | 2017-01-04 | 2017-05-31 | 广东百事泰电子商务股份有限公司 | Intelligent amendment wave voltage change-over circuit based on PFC, full-bridge and half-bridge |
| CN106787806A (en) * | 2017-01-04 | 2017-05-31 | 广东百事泰电子商务股份有限公司 | Intelligent sine voltage change-over circuit based on PFC, full-bridge and half-bridge |
| CN106856378A (en) * | 2017-01-11 | 2017-06-16 | 广东百事泰电子商务股份有限公司 | Intelligent half-bridge sine voltage change-over circuit based on PFC interleaving inverse excitations |
| CN106712535A (en) * | 2017-01-11 | 2017-05-24 | 广东百事泰电子商务股份有限公司 | Intelligent half-bridge correction wave voltage conversion circuit based on PFC interleaved flyback |
| CN109039033A (en) * | 2018-08-31 | 2018-12-18 | 珠海格力电器股份有限公司 | Power supply change-over device |
| WO2021078241A1 (en) * | 2019-10-25 | 2021-04-29 | 苏州宝时得电动工具有限公司 | Inverter with a plurality of input interfaces |
| CN110868076A (en) * | 2019-11-15 | 2020-03-06 | 中国舰船研究设计中心 | DC-DC chopper device for ship regional power distribution |
| CN110868076B (en) * | 2019-11-15 | 2021-08-10 | 中国舰船研究设计中心 | DC-DC chopper device for ship regional power distribution |
| CN116131618A (en) * | 2022-12-13 | 2023-05-16 | 深圳市麦格米特驱动技术有限公司 | Aging test device, method and system |
| CN116131618B (en) * | 2022-12-13 | 2024-04-19 | 深圳麦格米特电气股份有限公司 | Aging test device, method and system |
| CN116505779A (en) * | 2023-05-17 | 2023-07-28 | 江苏科曜能源科技有限公司 | Single-phase energy storage device |
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