CN105634288A - Supercapacitor energy storage system based bidirectional DC/DC converter topology - Google Patents
Supercapacitor energy storage system based bidirectional DC/DC converter topology Download PDFInfo
- Publication number
- CN105634288A CN105634288A CN201610015017.3A CN201610015017A CN105634288A CN 105634288 A CN105634288 A CN 105634288A CN 201610015017 A CN201610015017 A CN 201610015017A CN 105634288 A CN105634288 A CN 105634288A
- Authority
- CN
- China
- Prior art keywords
- voltage
- network
- energy storage
- changer
- way
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H02M3/338—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 in a self-oscillating arrangement
- H02M3/3381—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 in a self-oscillating arrangement using a single commutation path
-
- 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
- H02M3/338—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 in a self-oscillating arrangement
- H02M3/3385—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 in a self-oscillating arrangement with automatic control of output voltage or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a supercapacitor energy storage system based bidirectional DC/DC converter topology. The bidirectional DC/DC converter topology comprises a supercapacitor energy storage unit and a cascading bidirectional Buck/Boos-LLC DC/DC converter, wherein the supercapacitor energy storage unit is connected with the cascading bidirectional Buck/Boos-LLC DC/DC converter for realizing energy storage and energy release outwardly; and the cascading bidirectional Buck/Boos-LLC DC/DC converter formed by a bidirectional Buck/Boost DC/DC converter and a bidirectional full-bridge LLC resonant DC/DC converter that are connected in series can perform power bidirectional flow according to requirements of an external application system. According to the bidirectional DC/DC converter topology, PWM control on a switch tube in a power converter is carried out through the voltage and current real-time detection in the bidirectional Buck/Boost DC/DC converter and the bidirectional full-bridge LLC resonant DC/DC converter, so that the output power of the bidirectional DC/DC converter can be stabilized, the stable regulation of voltage can be realized, and the energy storage efficiency and the system reliability of the supercapacitor energy storage system are improved effectively.
Description
Technical field
The present invention relates to a kind of two-way DC/DC converter topology based on super capacitor energy storage system, belong to energy storage technology and electric and electronic technical field.
Background technology
Super capacitor energy storage system (SCESS-SuperCapacitorEnergyStorageSystem) is as a kind of energy-storage system realizing energy fast storage, release and to and fro flow of power, relative to other energy-storage systems, there is comparatively prominent advantage: energy storage efficiency height, power density height, fast response time, service life cycle are long. This energy-storage system is widely used in the fields such as modern industry, defence and military, Aero-Space, to electrical energy demands smooth, that buffering is unstable, improves the quality of power supply, it is achieved energy storage has a very important role.
Super capacitor energy storage system terminal voltage excursion of ultracapacitor energy storage unit in energy storage, release process is wider, in order to meet loading demand and improve the utilization rate of ultracapacitor storage energy, ultracapacitor energy storage unit generally configures power inverter. There are energy storage and two processes of release in super capacitor energy storage system, therefore the power inverter of system configuration need to adopt the two-way DC/DC changer being capable of to and fro flow of power in the course of the work. Two-way DC/DC changer mainly realizes the functions such as ultracapacitor charge and discharge control, power adjustments and control, meets loading demand with the form of to and fro flow of power and improves energy storage utilization rate.
Two-way DC/DC changer is the core of power conversion in super capacitor energy storage system. The difference of two-way DC/DC converter topology structure will directly affect super capacitor energy storage system energy conversion efficiency, the rational topological structure of power inverter and good circuit performance, energy-storage system is conducive to improve energy storage conversion efficiency, reduce system bulk, weight, reduce system cost, thus realizing the high-efficiency comprehensive utilization of the energy better, the guarantee of the optimization of energy resource structure and energy security supply.
Summary of the invention
The present invention is according to super capacitor energy storage system concrete technical need in actual application, from the technical characterstic adapting to energy-storage system, improve system capacity utilization rate, reduce system weight, the angle reducing system bulk and reduction Financial cost is set out, and devises a kind of two-way DC/DC converter topology based on super capacitor energy storage system.
For achieving the above object, a kind of two-way DC/DC converter topology based on super capacitor energy storage system of the present invention, is composed in series the two-way Buck/Boos-LLCDC/DC changer of cascade by two-way Buck/BoostDC/DC changer and two-way full-bridge LLC resonance DC/DC changer. realize super capacitor energy storage system by the two-way Buck/Boos-LLCDC/DC changer of cascade to store at energy, to and fro flow of power in release process, realize the stable regulation of system power and voltage, it is effectively increased energy storage efficiency and the system reliability of super capacitor energy storage system, it is characterized by: this topology includes ultracapacitor energy storage unit, two-way Buck/BoostDC/DC changer, by switching network/commutated network, the two-way full-bridge LLC resonance DC/DC changer of LLC resonant network and commutated network/switching network composition, DC bus-bar voltage port, voltage detecting, current detecting and CPU, wherein, ultracapacitor energy storage unit output port IO1 is connected with two-way Buck/BoostDC/DC changer left port IO2, two-way Buck/BoostDC/DC changer right output port IO3 connecting valve network/commutated network left port IO4, switching network/commutated network right output port IO5 connects the left port IO6 of LLC resonant network, LLC resonant network right output port IO7 connects the left port IO8 of commutated network/switching network, and the right output port IO9 of commutated network/switching network connects DC bus-bar voltage left port IO10, the external application system of DC bus-bar voltage right output port IO11, voltage detecting, current detecting access from two-way Buck/BoostDC/DC changer and the two-way full-bridge LLC resonance DC/DC changer being made up of switching network/commutated network, LLC resonant network and commutated network/switching network respectively, feedback delivers to CPU, it is provided that signal all in real time control.
It is the discharge and recharge completing ultracapacitor in and fro flow of power process based on the effect of ultracapacitor energy storage unit in the two-way DC/DC changer of super capacitor energy storage system, to realize storage and the release of electric energy; Two-way Buck/BoostDC/DC changer in cascade two-way Buck/Boos-LLCDC/DC changer mainly realizes the accurate adjustment of the wide scope of energy-storage units port voltage; Two-way full-bridge LLC resonance DC/DC changer in cascade two-way Buck/Boos-LLCDC/DC changer realizes whole power inverter and can be operated in efficiency optimization state under the voltage-regulation of two-way Buck/BoostDC/DC changer. CPU also will realize the two-way Buck/Boos-LLCDC/DC changer of cascade is controlled in real time by the voltage and current signal of detection in real time simultaneously.
The invention have the characteristics that the newest fruits using for reference switch power technology in super capacitor energy storage system and the present topological structure of two-way DC/DC changer, two-way Buck/BoostDC/DC changer and two-way full-bridge LLC resonance DC/DC changer have been carried out effective cascade, constitute the cascade two-way Buck/Boost-LLCDC/DC changer two-way DC/DC changer as energy-storage system, the requirement of accurately adjustment and the change of bank of super capacitors discharge and recharge rear end voltage wide range to meet output voltage, pursues high efficiency and the high power density of system simultaneously. The advantage that this scheme is implemented is in that: the non-isolated level of this changer have selected Buck/BoostDC/DC changer, and isolation level have selected two-way full-bridge LLC resonance DC/DC changer, wherein non-isolated level changer work efficiency compared with high, switching device is few, being substantially carried out voltage-regulation in whole system work process, isolation level changer can be operated in efficiency optimization state under the voltage-regulation of front stage converter. System power changer realizes Sofe Switch in full-load range, is substantially reduced contactor loss, improves work efficiency and the power density of changer and converter topology simple in construction, it is simple to control to implement.
Accompanying drawing explanation
Fig. 1 is the two-way DC/DC converter topology structure chart based on bank of super capacitors energy-storage system of the present invention.
Fig. 2 is that two-way Buck/BoostDC/DC changer of the present invention is operated under Boost pattern circuit topology figure.
Circuit topological structure figure when Fig. 3 is two-way full-bridge LLC resonance DC/DC changer forward of the present invention work.
Fig. 4 is that two-way Buck/BoostDC/DC changer of the present invention is operated under Buck pattern circuit topology figure.
Circuit topological structure figure when Fig. 5 is two-way full-bridge LLC resonance DC/DC changer reverse operation of the present invention.
Concrete label is as follows:
1. ultracapacitor energy storage unit
2. two-way Buck/BoostDC/DC changer
3. switching network/commutated network
4.LLC resonant network
5. commutated network/switching network
6. DC bus-bar voltage port
Csc: bank of super capacitors; S1, S2, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8: ten IGBT device; Cr1, Cr2: resonant capacitance; L: energy storage inductor; Lr: resonant inductance; Lm: magnetizing inductance.
Detailed description of the invention
The two-way DC/DC converter topology based on super capacitor energy storage system of the present invention, is mainly used in power output and voltage stabilization during to and fro flow of power in super capacitor energy storage system and regulates, describe the specific embodiment of the present invention with reference to the accompanying drawings.
Example one:
As it is shown in figure 1, the hardware circuit detailed description of the invention of the present invention is as follows:
A kind of two-way DC/DC converter topology based on super capacitor energy storage system of the present invention, it is advantageous to embodiment includes ultracapacitor energy storage unit, two-way Buck/BoostDC/DC changer, the two-way full-bridge LLC resonance DC/DC changer, DC bus-bar voltage port, application system, voltage detecting, current detecting and the CPU that are made up of switching network/commutated network, LLC resonant network and commutated network/switching network; Wherein, ultracapacitor energy storage unit output port IO1 is connected with two-way Buck/BoostDC/DC changer left port IO2; Two-way Buck/BoostDC/DC changer right output port IO3 connecting valve network/commutated network left port IO4, switching network/commutated network right output port IO5 connects the left port IO6 of LLC resonant network, LLC resonant network right output port IO7 connects the left port IO8 of commutated network/switching network, and the right output port IO9 of commutated network/switching network connects DC bus-bar voltage port left port IO10; The external application system of DC bus-bar voltage port right output port IO11; Voltage detecting, current detecting access from two-way Buck/BoostDC/DC changer and the two-way full-bridge LLC resonance DC/DC changer being made up of switching network/commutated network, LLC resonant network and commutated network/switching network respectively, feedback delivers to CPU, it is provided that signal all in real time control.
Example two:
As shown in Figure 2 and Figure 3, the present invention detailed description of the invention when power forward flow is as follows:
In the better embodiment of the present invention, in the two-way DC/DC changer of invention, in ultracapacitor energy storage unit, effect is ultracapacitor electric discharge, power is provided to be 10KW for two-way Buck/BoostDC/DC changer, voltage change range is the unstable DC source of 200��400V, the power supply two-way Buck/BoostDC/DC changer under Boost boost operating mode, acquisition power is 10KW, voltage is the stable DC voltage source of 800V, afterwards, stable DC voltage source flows into by switching network/commutated network, after the two-way full-bridge LLC resonance DC/DC changer that LLC resonant network and commutated network/switching network are constituted, after converter voltage regulates, acquisition power is 10KW, the stable dc power supply that voltage is 1000V flows out, constant DC voltage is provided for DC bus-bar voltage port,
In conjunction with Fig. 1, Fig. 2 and Fig. 3, detailed description of the invention is illustrated:
As it is shown in figure 1, ultracapacitor electric discharge in ultracapacitor energy storage unit (1), it is provided that the unstable direct voltage source V of power rating1Being input in two-way Buck/BoostDC/DC changer (2), changer (2) is operated under Boost boost mode, obtains the regulated output voltage source V of power ratingdc; Constant voltage source VdcRealize voltage after flowing through the two-way full-bridge LLC resonance DC/DC changer being made up of switching network/commutated network (3), LLC resonant network (4) and commutated network/switching network (5) to regulate further, it is thus achieved that the regulated output voltage source V of power rating2; Last voltage source V2Via DC bus-bar voltage port (6) external application system; The concrete power flow direction of whole changer is respectively as shown in Figures 2 and 3. Two-way full-bridge LLC resonance DC/DC changer completes the conversion of DC-AC and AC-DC of power supply in voltage-regulation process. Voltage, current detecting effect be that the voltage of 2 stage converter, electric current in the two-way Buck/Boost-LLCDC/DC changer of cascade are detected in real time, for CPU provide live signal; Produce PWM waveform by CPU, be used for controlling the switch of IGBT in power inverter, to reach to regulate the purpose of voltage.
Example three:
As shown in Figure 4, Figure 5, the present invention detailed description of the invention when power reverse flow is as follows:
In the better embodiment of the present invention, in the two-way DC/DC changer of invention, DC bus-bar voltage port obtains power from external application system is 10KW, voltage is the stable DC voltage source of 1000V, flow into by switching network/commutated network, the two-way full-bridge LLC resonance DC/DC changer that LLC resonant network and commutated network/switching network are constituted, obtaining power after voltage-regulation is 10KW, voltage is the stable DC voltage source of 800V, this voltage source flows into the two-way Buck/BoostDC/DC changer under Buck blood pressure lowering mode of operation afterwards, ultracapacitor in ultracapacitor energy storage unit is charged, until ultracapacitor energy storage unit side voltage reaches rated value 400V, charging complete.
In conjunction with Fig. 1, Fig. 4 and Fig. 5, detailed description of the invention is illustrated:
As it is shown in figure 1, accessed the direct-flow voltage regulation source V of the rated power of DC bus-bar voltage port (6) by external application system2Voltage-regulation is realized, it is thus achieved that the direct-flow voltage regulation source V of rated power after flowing through the two-way full-bridge LLC resonance DC/DC changer being made up of commutated network/switching network (5), LLC resonant network (4) and switching network/commutated network (3)dcIn the cut-in operation two-way Buck/BoostDC/DC changer (2) under Buck decompression mode, charge to ultracapacitor in ultracapacitor energy storage unit (1), until ultracapacitor energy storage unit side voltage reaches rated value, charging complete. The concrete power flow direction of whole two-way DC/DC changer is respectively as shown in Figure 4 and Figure 5. Two-way full-bridge LLC resonance DC/DC changer completes the conversion of DC-AC and AC-DC of power supply in voltage-regulation process. Now whole two-way DC/DC changer in the process being embodied as voltage, electric current control identical with the control operation principle of voltage in examples detailed above two, electric current.
Claims (4)
1. the two-way DC/DC converter topology based on super capacitor energy storage system, described two-way DC/DC converter topology is based on super capacitor energy storage system and is designed, super capacitor energy storage system forward flow in energy storage, release process and reverse flow is realized by the two-way Buck/Boos-LLCDC/DC changer of cascade, realize the stable regulation of system power output and voltage, it is characterized by:
This topology includes ultracapacitor energy storage unit, two-way Buck/BoostDC/DC changer, the two-way full-bridge LLC resonance DC/DC changer that is made up of switching network/commutated network, LLC resonant network and commutated network/switching network, DC bus-bar voltage port, application system, voltage detecting, current detecting and CPU; Wherein, ultracapacitor energy storage unit output port IO1 is connected with two-way Buck/BoostDC/DC changer left port IO2; Two-way Buck/BoostDC/DC changer right output port IO3 connecting valve network/commutated network left port IO4, switching network/commutated network right output port IO5 connects the left port IO6 of LLC resonant network, LLC resonant network right output port IO7 connects the left port IO8 of commutated network/switching network, and the right output port IO9 of commutated network/switching network connects DC bus-bar voltage port left port IO10; The external application system of DC bus-bar voltage port right output port IO11; Two-way Buck/BoostDC/DC changer and the two-way full-bridge LLC resonance DC/DC changer being made up of switching network/commutated network, LLC resonant network and commutated network/switching network are carried out voltage detecting, current detecting, the voltage signal, the current signal feedback that obtain deliver to CPU, it is provided that signal all in real time control.
2. a kind of two-way DC/DC converter topology based on super capacitor energy storage system described in claim 1 is operated in power forward flow situation, ultracapacitor electric discharge in ultracapacitor energy storage unit, power is provided to be 10KW for two-way Buck/BoostDC/DC changer, voltage change range is the unstable DC source of 200��400V, the power supply two-way Buck/BoostDC/DC changer under Boost boost operating mode, acquisition power is 10KW, voltage is the stable DC voltage source of 800V, afterwards, stable DC voltage source flows into by switching network/commutated network, after the two-way full-bridge LLC resonance DC/DC changer that LLC resonant network and commutated network/switching network are constituted, after converter voltage regulates, acquisition power is 10KW, the stable dc power supply that voltage is 1000V flows out, constant DC voltage is provided for DC bus-bar voltage port.
3. a kind of two-way DC/DC converter topology based on super capacitor energy storage system described in claim 1 is operated in power reverse flow situation, it is 10KW that DC bus-bar voltage port obtains power from outer welding system, voltage is the stable DC voltage source of 1000V, flow into by switching network/commutated network, the two-way full-bridge LLC resonance DC/DC changer that LLC resonant network and commutated network/switching network are constituted, obtaining power after voltage-regulation is 10KW, voltage is the stable DC voltage source of 800V, this voltage source flows into the two-way Buck/BoostDC/DC changer under Buck blood pressure lowering mode of operation afterwards, ultracapacitor in ultracapacitor energy storage unit is charged, until ultracapacitor energy storage unit side voltage reaches rated value 400V, charging complete.
4. a kind of described in claim 1 connects two-way Buck/BoostDC/DC changer and two-way full-bridge LLC resonance DC/DC changer respectively based on the voltage detecting of two-way DC/DC converter topology of super capacitor energy storage system, current detecting, voltage, electric current are monitored in real time, and feed back to CPU, it is achieved the PWM of power inverter breaker in middle pipe is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015017.3A CN105634288A (en) | 2016-01-04 | 2016-01-04 | Supercapacitor energy storage system based bidirectional DC/DC converter topology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015017.3A CN105634288A (en) | 2016-01-04 | 2016-01-04 | Supercapacitor energy storage system based bidirectional DC/DC converter topology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105634288A true CN105634288A (en) | 2016-06-01 |
Family
ID=56048925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015017.3A Pending CN105634288A (en) | 2016-01-04 | 2016-01-04 | Supercapacitor energy storage system based bidirectional DC/DC converter topology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105634288A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230261A (en) * | 2016-09-23 | 2016-12-14 | 江苏由甲申田新能源科技有限公司 | A kind of DC DC two-stage pressure-regulating module-cascade circuit |
| CN107070286A (en) * | 2017-03-09 | 2017-08-18 | 国家电网公司 | Control strategy for super capacitor energy storage system current transformer |
| CN107222100A (en) * | 2017-06-12 | 2017-09-29 | 福州大学 | A kind of integrated Buck Boost and LLC circuits single-stage LED drive circuit |
| CN107482922A (en) * | 2017-08-16 | 2017-12-15 | 华北电力大学 | A kind of two-way LLC resonant converter based on switching switch |
| CN107911026A (en) * | 2017-11-30 | 2018-04-13 | 安徽维新能源技术有限公司 | Conversion circuit for electric automobile |
| TWI622261B (en) * | 2017-01-18 | 2018-04-21 | Nat Chung Shan Inst Science & Tech | Half bridge resonant bidirectional DC to DC converter circuit |
| WO2018152786A1 (en) * | 2017-02-24 | 2018-08-30 | 广东欧珀移动通信有限公司 | Equalisation circuit, device to be charged, and charging control method |
| CN111049222A (en) * | 2019-12-26 | 2020-04-21 | 上海派能能源科技股份有限公司 | Power supply device |
| CN111600499A (en) * | 2020-05-28 | 2020-08-28 | 深圳市瑞能实业股份有限公司 | AC/DC bidirectional conversion device and control method thereof |
| WO2021128713A1 (en) * | 2019-12-26 | 2021-07-01 | 上海派能能源科技股份有限公司 | Power source apparatus |
| CN114188932A (en) * | 2021-10-25 | 2022-03-15 | 广西电网有限责任公司玉林供电局 | Intelligent bus coupler applied to station direct-current power supply system |
| CN115085204A (en) * | 2022-07-21 | 2022-09-20 | 山东大学 | Unloading circuit, low-voltage ride-through control method and system |
| CN116436298A (en) * | 2023-06-12 | 2023-07-14 | 广汽埃安新能源汽车股份有限公司 | Direct current converter circuit and electric vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780099A (en) * | 2014-01-21 | 2014-05-07 | 广东易事特电源股份有限公司 | Bi-directional direct current switching circuit and switching power supply |
| CN103944396A (en) * | 2014-04-11 | 2014-07-23 | 燕山大学 | LLC resonance type three-port DC-DC converter and control method thereof |
| CN204168144U (en) * | 2014-10-29 | 2015-02-18 | 国家电网公司 | The two-way shielding system of a kind of high frequency |
| KR20150111638A (en) * | 2014-03-26 | 2015-10-06 | (주) 이이시스 | High efficiency battery charge/discharge system and method in grid-tied system |
| CN205490160U (en) * | 2016-01-04 | 2016-08-17 | 河南理工大学 | Two -way DCDC converter topology based on ultracapacitor system energy storage system |
-
2016
- 2016-01-04 CN CN201610015017.3A patent/CN105634288A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780099A (en) * | 2014-01-21 | 2014-05-07 | 广东易事特电源股份有限公司 | Bi-directional direct current switching circuit and switching power supply |
| KR20150111638A (en) * | 2014-03-26 | 2015-10-06 | (주) 이이시스 | High efficiency battery charge/discharge system and method in grid-tied system |
| CN103944396A (en) * | 2014-04-11 | 2014-07-23 | 燕山大学 | LLC resonance type three-port DC-DC converter and control method thereof |
| CN204168144U (en) * | 2014-10-29 | 2015-02-18 | 国家电网公司 | The two-way shielding system of a kind of high frequency |
| CN205490160U (en) * | 2016-01-04 | 2016-08-17 | 河南理工大学 | Two -way DCDC converter topology based on ultracapacitor system energy storage system |
Non-Patent Citations (3)
| Title |
|---|
| 戴卫力 费峻涛: "《电力电子技术在电力系统中的应用》", 30 June 2015 * |
| 武红玉: "双向DC/DC变换器在电动汽车中的应用", 《河南科技》 * |
| 肖旭: "基于锌溴电池储能系统的高效率双向DC/DC变换器的研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230261A (en) * | 2016-09-23 | 2016-12-14 | 江苏由甲申田新能源科技有限公司 | A kind of DC DC two-stage pressure-regulating module-cascade circuit |
| TWI622261B (en) * | 2017-01-18 | 2018-04-21 | Nat Chung Shan Inst Science & Tech | Half bridge resonant bidirectional DC to DC converter circuit |
| US10541541B2 (en) | 2017-02-24 | 2020-01-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Equalization circuit, device to be charged and charging control method |
| WO2018152786A1 (en) * | 2017-02-24 | 2018-08-30 | 广东欧珀移动通信有限公司 | Equalisation circuit, device to be charged, and charging control method |
| CN107070286A (en) * | 2017-03-09 | 2017-08-18 | 国家电网公司 | Control strategy for super capacitor energy storage system current transformer |
| CN107222100A (en) * | 2017-06-12 | 2017-09-29 | 福州大学 | A kind of integrated Buck Boost and LLC circuits single-stage LED drive circuit |
| CN107222100B (en) * | 2017-06-12 | 2019-05-10 | 福州大学 | A kind of single-stage LED drive circuit of integrated Buck-Boost and LLC circuit |
| CN107482922A (en) * | 2017-08-16 | 2017-12-15 | 华北电力大学 | A kind of two-way LLC resonant converter based on switching switch |
| CN107911026A (en) * | 2017-11-30 | 2018-04-13 | 安徽维新能源技术有限公司 | Conversion circuit for electric automobile |
| CN111049222A (en) * | 2019-12-26 | 2020-04-21 | 上海派能能源科技股份有限公司 | Power supply device |
| WO2021128713A1 (en) * | 2019-12-26 | 2021-07-01 | 上海派能能源科技股份有限公司 | Power source apparatus |
| CN111600499A (en) * | 2020-05-28 | 2020-08-28 | 深圳市瑞能实业股份有限公司 | AC/DC bidirectional conversion device and control method thereof |
| CN114188932A (en) * | 2021-10-25 | 2022-03-15 | 广西电网有限责任公司玉林供电局 | Intelligent bus coupler applied to station direct-current power supply system |
| CN114188932B (en) * | 2021-10-25 | 2024-06-14 | 广西电网有限责任公司玉林供电局 | Intelligent bus-bar device applied to station direct-current power supply system |
| CN115085204A (en) * | 2022-07-21 | 2022-09-20 | 山东大学 | Unloading circuit, low-voltage ride-through control method and system |
| CN116436298A (en) * | 2023-06-12 | 2023-07-14 | 广汽埃安新能源汽车股份有限公司 | Direct current converter circuit and electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105634288A (en) | Supercapacitor energy storage system based bidirectional DC/DC converter topology | |
| CN205490160U (en) | Two -way DCDC converter topology based on ultracapacitor system energy storage system | |
| CN107994628B (en) | Automatic voltage-sharing battery charging and discharging test circuit and use method thereof | |
| CN108566093B (en) | Multiple-input single-output direct current converter | |
| CN102969893A (en) | High-gain boosting type direct-current converter | |
| CN103812317A (en) | Clamping absorption circuit and impedance adjusting method thereof | |
| CN102946194A (en) | High-gain interleaving boost converter | |
| CN102324852A (en) | A kind of heterogeneous misphase parallel connection twin-stage converter | |
| EP3255771B1 (en) | Bidirectional dc-dc convertor | |
| CN104104248B (en) | Dual power supply photovoltaic DC-to-AC converter and control method thereof | |
| CN104184149A (en) | Voltage fluctuation stabilizing method based on sliding mode control and super-capacitor | |
| CN110649810B (en) | DC-DC conversion circuit | |
| CN104242422A (en) | Method and circuit for charging energy-storage capacitor of power supply for pulse xenon lamp | |
| CN102969917A (en) | Two-way buck-boost direct current (DC) converter applied to energy storage system | |
| CN105939108A (en) | Switch inductor type quasi-switch voltage-boosting DC-DC converter | |
| CN105939112A (en) | High-gain quasi-switch boost DC-DC converter | |
| CN104167809A (en) | UPS mains supply battery switching assistance circuit | |
| CN105939107A (en) | Hybrid type quasi-switch voltage-boosting DC-DC converter | |
| Barreto et al. | Single stage high voltage gain boost converter with voltage multiplier cells for battery charging using photovoltaic panels | |
| CN202261028U (en) | Multiphase and misphase parallel two-stage converter | |
| CN105792438A (en) | Buck type single-stage LED drive circuit of unity power factor | |
| CN204068701U (en) | A kind of non-isolation type high step-down ratio DC/DC converter | |
| Musavi et al. | Control strategies for a LLC multi-resonant DC-DC converter in battery charging applications | |
| CN103337957B (en) | Low-ripple four-switch buck-boost direct-current converter and control method thereof | |
| Lee et al. | Bidirectional DC-DC converter with multiple switched-capacitor cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |