CN113472054A - Isolated form satellite power supply controller - Google Patents
Isolated form satellite power supply controller Download PDFInfo
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- CN113472054A CN113472054A CN202110709772.2A CN202110709772A CN113472054A CN 113472054 A CN113472054 A CN 113472054A CN 202110709772 A CN202110709772 A CN 202110709772A CN 113472054 A CN113472054 A CN 113472054A
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- regulator
- storage battery
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- energy storage
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- 239000003990 capacitor Substances 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims description 34
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000003071 parasitic effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
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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
- 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
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/425—Power storage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/428—Power distribution and management
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
- B64G1/443—Photovoltaic cell arrays
-
- 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
-
- 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
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02M3/33569—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 several active switching elements
- H02M3/33576—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 several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses an isolated satellite power controller, which belongs to the technical field of satellite power controllers and is characterized by at least comprising the following components: a solar cell power regulator connected to the solar cell array; a bus capacitor connected to the load; the isolated storage battery charging and discharging regulator and the pulsating load are connected with the storage battery pack; wherein: the anode of the solar cell power regulator is connected with the cathode of the solar cell power regulator through a bus capacitor; the positive electrode of the isolated storage battery charge-discharge regulator is connected with the positive electrode of the solar battery power regulator; and the negative electrode of the isolated storage battery charge-discharge regulator is connected with the negative electrode of the solar battery power regulator. Because the isolated storage battery charge-discharge regulator circuit is adopted, the load adaptability of the power supply controller can be obviously improved, and the bus voltage quality is improved.
Description
Technical Field
The invention belongs to the technical field of satellite power controllers, and particularly relates to an isolated satellite power controller.
Background
In the design of a traditional satellite power supply controller, in order to meet the power supply requirement of a pulsating load, the pulsating load is usually directly connected to two ends of a storage battery pack, and the storage battery pack provides short-time high-power pulse power; and for a stable platform load, the platform load is connected to two ends of the bus capacitor and is supplied with power by the direct current bus. The power supply block diagram is shown in fig. 1, and the power supply controller is in a non-isolated form and comprises a solar cell power regulator, a storage battery charging and discharging regulator, a bus capacitor and the like. The solar cell power regulator regulates the output power of the solar cell array to generate a stable direct current bus; the storage battery charging and discharging regulator charges the storage battery pack in the illumination period to ensure the energy balance of the storage battery, and regulates the storage battery pack to discharge when the shadow period or the output power of the solar battery array is insufficient to ensure the voltage stability of a bus; the bus capacitor plays a role in maintaining the bus voltage stable. The mode can meet the power supply requirement of the pulsating load, but when the pulsating load works, the voltage of the storage battery pack is in a periodic fluctuation state, and the power supply controller is in a non-isolated type, so that the periodic fluctuation is transmitted to a direct current bus by the storage battery charge-discharge regulator, the quality of the bus is deteriorated, and the ripple and the peak of the bus voltage are increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an isolated satellite power supply controller, which is used for solving the problem that the quality of bus voltage of the traditional satellite power supply controller is reduced under the action of a pulsating load, increasing the load adaptability of the power supply controller and meeting the application requirements of strong adaptability and high quality of the power supply controller.
The invention aims to provide an isolated satellite power controller, which comprises:
a solar cell power regulator connected to the solar cell array;
a bus capacitor connected to the load;
the isolated storage battery charging and discharging regulator and the pulsating load are connected with the storage battery pack; wherein:
the anode of the solar cell power regulator is connected with the cathode of the solar cell power regulator through a bus capacitor; the positive electrode of the isolated storage battery charge-discharge regulator is connected with the positive electrode of the solar battery power regulator; and the negative electrode of the isolated storage battery charge-discharge regulator is connected with the negative electrode of the solar battery power regulator.
Preferably: the isolated storage battery charging and discharging regulator comprises a first energy storage inductor, a second energy storage inductor and a transformer; wherein: the positive electrode of the storage battery pack is respectively connected with the left terminals of a first energy storage inductor and a second energy storage inductor, the right terminal of the first energy storage inductor is connected with the upper terminal of the primary side of the transformer through a parasitic inductor, and the second energy storage inductor is connected with the lower terminal of the primary side of the transformer; the right terminal of the first energy storage inductor is connected with the cathode of the storage battery pack through the first power tube and the input voltage-stabilizing capacitor in sequence; the right side terminal of the first energy storage inductor is connected with the right side terminal of the second energy storage inductor through a first power tube and a second power tube in sequence, and the right side terminal of the second energy storage inductor is connected with the negative electrode of the storage battery pack through a fourth power tube; the right terminal of the first energy storage inductor is connected with the negative electrode of the storage battery pack through a third power tube; the upper terminal of the secondary side of the transformer is connected with the lower terminal of the secondary side of the transformer through a fifth power tube and a sixth power tube in sequence; the lower terminal of the secondary side of the transformer is connected with the upper terminal of the secondary side of the transformer through an eighth power tube and a seventh power tube in sequence; and the sixth power tube is connected with the eighth power tube through an output voltage stabilizing capacitor.
The beneficial effect of this application is:
the invention is suitable for the application occasions with high bus voltage quality requirements. Compared with the prior art, the invention has the outstanding advantages of small ripple and peak of the bus voltage, low capacitance value of the bus output voltage-stabilizing capacitor and wide application range of the controller, and is particularly suitable for occasions with high requirements on the performance of the power supply controller.
1. The invention enhances the adaptability of the satellite power supply controller to the pulsating load, and has important significance for improving the quality of the bus voltage and reducing the capacitance value of the output voltage-stabilizing capacitor;
2. by adopting the isolated storage battery charge-discharge regulator, the invention can flexibly realize the functions of boosting and reducing voltage in a wide range and has wider application range;
3. the circuit has good dynamic and static performances, high power conversion efficiency and excellent quality of bus voltage.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a power supply block diagram of a conventional satellite power supply controller.
Fig. 2 is a power supply block diagram of an isolated satellite power controller according to the present invention.
Fig. 3 is a circuit diagram of an isolated battery charge-discharge regulator in accordance with the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the circuit diagram of the invention, the components such as the inductor, the capacitor, the power tube and the like can also be an equivalent inductor, capacitor and power tube combination network, but the circuit diagram of the invention is the simplest.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 2, an isolated satellite power controller includes:
a solar cell power regulator connected to the solar cell array;
a bus capacitor connected to the load;
the isolated storage battery charging and discharging regulator and the pulsating load are connected with the storage battery pack; wherein:
the anode of the solar cell power regulator is connected with the cathode of the solar cell power regulator through a bus capacitor; the positive electrode of the isolated storage battery charge-discharge regulator is connected with the positive electrode of the solar battery power regulator; and the negative electrode of the isolated storage battery charge-discharge regulator is connected with the negative electrode of the solar battery power regulator.
Please refer to fig. 3: the isolated storage battery charging and discharging regulator comprises a first energy storage inductor L1, a second energy storage inductor L2 and a transformer T; wherein: the positive electrode of the storage battery pack is respectively connected with the left terminals of a first energy storage inductor L1 and a second energy storage inductor L2, the right terminal of the first energy storage inductor L1 is connected with the upper terminal of the primary side of the transformer through a parasitic inductor Lk, and the second energy storage inductor L2 is connected with the lower terminal of the primary side of the transformer; the right terminal of the first energy storage inductor Lk is connected with the cathode of the storage battery pack through a first power tube S1 and an input voltage stabilization capacitor C1 in sequence; the right terminal of the first energy storage inductor L1 is connected with the right terminal of the second energy storage inductor L2 through a first power tube S1 and a second power tube S2 in sequence, and the right terminal of the second energy storage inductor L2 is connected with the negative electrode of the storage battery pack through a fourth power tube S4; the right terminal of the first energy storage inductor L1 is connected with the negative electrode of the storage battery pack through a third power tube S3; the upper terminal of the secondary side of the transformer is connected with the lower terminal of the secondary side of the transformer through a fifth power tube S5 and a sixth power tube S6 in sequence; the lower terminal of the secondary side of the transformer is connected with the upper terminal of the secondary side of the transformer through an eighth power tube S8 and a seventh power tube S7 in sequence; the sixth power tube S6 and the eighth power tube S8 are connected through an output voltage stabilizing capacitor C2.
The preferred embodiment mainly comprises a solar cell power regulator, an isolated storage battery charging and discharging regulator, a bus capacitor and the like. As an improved scheme, the isolated type satellite power controller adopts an isolated type storage battery charge-discharge regulator, so that the influence of pulsating load disturbance on the bus voltage is eliminated from physical connection, the quality of the bus voltage is improved, and the voltage-stabilizing capacity value of a bus capacitor is obviously reduced; in addition, the isolated satellite power supply controller has wider application range and can be compatible with the application field of the traditional non-isolated power supply controller.
The isolated storage battery charging and discharging regulator comprises eight power tubes S1-S8; two energy storage inductors L1-L2, a parasitic inductor Lk; transformer T, primary and secondary windings T1 and T2 of the transformer; an input voltage stabilizing capacitor C1 and an output voltage stabilizing capacitor C2. The primary side and the secondary side of the charge-discharge regulator circuit are all full-bridge conversion circuits, and when the storage battery pack discharges to the bus side, the circuit works in a staggered parallel Boost mode; when the bus side charges the storage battery pack side, the circuit works in a staggered parallel Buck voltage reduction mode. The circuit can realize voltage and current double closed-loop control, has good dynamic and static performances, can realize zero-voltage conduction of all power tubes, and has higher power conversion efficiency; in addition, by the configuration of the primary and secondary windings T1 and T2 of the transformer, the voltage boosting and reducing functions in a wide range can be flexibly realized, and the application range is wider.
The invention adopts the isolated storage battery charge-discharge regulator circuit, thereby obviously enhancing the load adaptability of the power supply controller and improving the bus voltage quality.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (2)
1. An isolated satellite power controller, comprising at least:
a solar cell power regulator connected to the solar cell array;
a bus capacitor connected to the load;
the isolated storage battery charging and discharging regulator and the pulsating load are connected with the storage battery pack; wherein:
the anode of the solar cell power regulator is connected with the cathode of the solar cell power regulator through a bus capacitor; the positive electrode of the isolated storage battery charge-discharge regulator is connected with the positive electrode of the solar battery power regulator; and the negative electrode of the isolated storage battery charge-discharge regulator is connected with the negative electrode of the solar battery power regulator.
2. The isolated satellite power controller of claim 1, wherein: the isolated storage battery charging and discharging regulator comprises a first energy storage inductor, a second energy storage inductor and a transformer; wherein: the positive electrode of the storage battery pack is respectively connected with the left terminals of a first energy storage inductor and a second energy storage inductor, the right terminal of the first energy storage inductor is connected with the upper terminal of the primary side of the transformer through a parasitic inductor, and the second energy storage inductor is connected with the lower terminal of the primary side of the transformer; the right terminal of the first energy storage inductor is connected with the cathode of the storage battery pack through the first power tube and the input voltage-stabilizing capacitor in sequence; the right side terminal of the first energy storage inductor is connected with the right side terminal of the second energy storage inductor through a first power tube and a second power tube in sequence, and the right side terminal of the second energy storage inductor is connected with the negative electrode of the storage battery pack through a fourth power tube; the right terminal of the first energy storage inductor is connected with the negative electrode of the storage battery pack through a third power tube; the upper terminal of the secondary side of the transformer is connected with the lower terminal of the secondary side of the transformer through a fifth power tube and a sixth power tube in sequence; the lower terminal of the secondary side of the transformer is connected with the upper terminal of the secondary side of the transformer through an eighth power tube and a seventh power tube in sequence; and the sixth power tube is connected with the eighth power tube through an output voltage stabilizing capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110709772.2A CN113472054A (en) | 2021-06-25 | 2021-06-25 | Isolated form satellite power supply controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110709772.2A CN113472054A (en) | 2021-06-25 | 2021-06-25 | Isolated form satellite power supply controller |
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| CN113472054A true CN113472054A (en) | 2021-10-01 |
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| CN202110709772.2A Pending CN113472054A (en) | 2021-06-25 | 2021-06-25 | Isolated form satellite power supply controller |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917043A (en) * | 2010-08-19 | 2010-12-15 | 中国电子科技集团公司第十八研究所 | Lithium-ion battery charge-discharge control circuit |
| CN103956822A (en) * | 2014-05-22 | 2014-07-30 | 哈尔滨工业大学 | Quickly-integrated satellite power system |
| CN108964241A (en) * | 2018-08-06 | 2018-12-07 | 深圳市航天新源科技有限公司 | High power density high impulse load power source platform |
| CN209016935U (en) * | 2018-09-06 | 2019-06-21 | 浙江南都电源动力股份有限公司 | Two-way full-bridge DC/DC converter topology based on lithium battery energy storage battery system |
-
2021
- 2021-06-25 CN CN202110709772.2A patent/CN113472054A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917043A (en) * | 2010-08-19 | 2010-12-15 | 中国电子科技集团公司第十八研究所 | Lithium-ion battery charge-discharge control circuit |
| CN103956822A (en) * | 2014-05-22 | 2014-07-30 | 哈尔滨工业大学 | Quickly-integrated satellite power system |
| CN108964241A (en) * | 2018-08-06 | 2018-12-07 | 深圳市航天新源科技有限公司 | High power density high impulse load power source platform |
| CN209016935U (en) * | 2018-09-06 | 2019-06-21 | 浙江南都电源动力股份有限公司 | Two-way full-bridge DC/DC converter topology based on lithium battery energy storage battery system |
Non-Patent Citations (4)
| Title |
|---|
| 宋丹 等: "空间电源DC-DC变换器的研究", 《电气工程学报》 * |
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Effective date of registration: 20211119 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant after: The 18th Research Institute of China Electronics Technology Group Corporation Applicant after: CETC Energy Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant before: The 18th Research Institute of China Electronics Technology Group Corporation |
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Effective date of registration: 20221121 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant after: The 18th Research Institute of China Electronics Technology Group Corporation Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant before: The 18th Research Institute of China Electronics Technology Group Corporation Applicant before: CETC Energy Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211001 |