CN113258663A - Full-regulation power supply system based on MPPT mode - Google Patents
Full-regulation power supply system based on MPPT mode Download PDFInfo
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- CN113258663A CN113258663A CN202110590782.9A CN202110590782A CN113258663A CN 113258663 A CN113258663 A CN 113258663A CN 202110590782 A CN202110590782 A CN 202110590782A CN 113258663 A CN113258663 A CN 113258663A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 43
- 238000007599 discharging Methods 0.000 claims abstract description 20
- XDBZPHDFHYZHNG-UHFFFAOYSA-L disodium 3-[(5-chloro-2-phenoxyphenyl)diazenyl]-4-hydroxy-5-[(4-methylphenyl)sulfonylamino]naphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].C1=CC(C)=CC=C1S(=O)(=O)NC(C1=C2O)=CC(S([O-])(=O)=O)=CC1=CC(S([O-])(=O)=O)=C2N=NC1=CC(Cl)=CC=C1OC1=CC=CC=C1 XDBZPHDFHYZHNG-UHFFFAOYSA-L 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
- G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
-
- 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 a full-regulation power supply system based on an MPPT (maximum power point tracking) mode, which belongs to the technical field of satellite power supply controllers and comprises a solar wing, a storage battery pack management unit and a distributor, wherein the solar wing is connected with the storage battery pack management unit; the device is characterized by at least comprising a power supply controller; the power supply controller: the power supply controller adopts a design scheme of a full-adjustment bus and is responsible for generating a power supply bus to complete energy balance among a solar cell array, a storage battery pack and a load during the service life of the rail; when the output power of the solar wing is greater than the whole-satellite load and the charging power, the MPPT regulating circuit regulates the output of the solar wing to be in a constant voltage mode so as to stabilize the voltage of a primary bus; when the output power of the solar wing is smaller than the whole satellite load and the charging power, the MPPT adjusting circuit adjusts the output of the solar wing to be in a maximum power mode, and the charging/discharging adjusting circuit controls the bus voltage to be stable.
Description
Technical Field
The invention belongs to the technical field of satellite power controllers, and particularly relates to a full-regulation power supply system based on an MPPT (maximum power point tracking) mode.
Background
At present, a satellite (aircraft) running in orbit adopts a solar cell as an electric energy generating unit, the solar cell completes the regulation of the output power of a solar wing through a power supply controller on the satellite through a subarray combination to form a proper primary bus to complete the power supply of a load on the satellite, and the output power of the solar wing is influenced by various factors such as the characteristics of a solar device, the external illumination condition, the temperature, the working mode of a regulator and the like. After the solar cell is manufactured, the electrical performance parameters of the solar cell are fixed, factors such as the external illumination condition of the sun, the temperature and the like determine the maximum output power capacity of the solar wing on the track, but the actual output power is determined by the working mode of the regulator. At present, the on-orbit solar wing Power regulation mainly comprises two forms, namely an MPPT (Maximum Power Point Tracker) mode and a shunting mode.
At present, the power regulation of the solar wing of the aircraft running on the orbit in China basically adopts a shunting mode. The power supply subsystem topology adjusted by the MPPT mode is a bus topology structure which is not adjusted, the voltage of a storage battery pack is clamped by the voltage of a storage battery, the voltage of the storage battery pack fluctuates along with the change of the charge state of the storage battery pack, and for a system with the bus voltage exceeding 30V, the change range of the bus voltage is large due to the fact that the storage battery pack is connected in series in a large number, the power load adaptability is required to be strong, and therefore the application range of the MPPT bus which is not adjusted is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a full-regulation power supply system based on an MPPT mode, which can fully utilize the power generation capacity of a solar cell array, improve the energy utilization efficiency of a power supply subsystem and optimize the overall performance design of the power supply subsystem.
The invention aims to provide a full-regulation power supply system based on an MPPT (maximum power point tracking) mode, which comprises a solar wing, a storage battery pack pipe unit and a distributor, wherein the solar wing is connected with the storage battery pack pipe unit; the device is characterized by at least comprising a power supply controller;
the power supply controller: the power supply controller adopts a design scheme of a full-adjustment bus and is responsible for generating a power supply bus to complete energy balance among a solar cell array, a storage battery pack and a load during the service life of the rail; when the output power of the solar wing is greater than the whole-satellite load and the charging power, the MPPT regulating circuit regulates the output of the solar wing to be in a constant voltage mode so as to stabilize the voltage of a primary bus; when the output power of the solar wing is smaller than the whole satellite load and the charging power, the MPPT adjusting circuit adjusts the output of the solar wing to be in a maximum power mode, and the charging/discharging adjusting circuit controls the bus voltage to be stable.
Preferably, the power controller consists of a solar wing adjusting module and a charging and discharging adjusting module; the solar wing regulates and outputs the generated power to a primary bus through an MPPT regulating circuit in the solar wing regulating module, and meanwhile, the charging function of the storage battery pack is completed through a charging regulating circuit in the charging and discharging regulating module.
Preferably, the power controller uses a primary bus as a system connection common point, when the whole satellite is in a solar wing power supply mode, the solar wing outputs solar energy to the primary bus through the MPPT regulating circuit, and the energy is transmitted to the charging and loading through the primary bus again; when the whole satellite is in a ground shadow mode or the output power of the solar wing does not meet the load of the whole satellite, the energy of the storage battery is transmitted to the load of the whole satellite through a discharge adjusting circuit in the charge-discharge adjusting module.
Preferably, the power controller comprises a solar wing adjusting module and a discharging adjusting module, the solar wing adjusts and outputs the generated power to the storage battery pack through an MPPT adjusting circuit in the solar wing adjusting module, and meanwhile, the discharging adjusting module transmits the output energy of the solar wing to a primary bus and simultaneously completes the charging function of the storage battery pack.
Preferably, the power controller uses the storage battery as a common connection point of the system, and the energy of the solar wing and the energy of the storage battery pack are output to the primary bus through the discharge regulation module.
Preferably, the power controller consists of a plurality of solar wing adjusting modules, and the solar wings respectively regulate and output the generated energy to the primary bus and the storage battery through the SMBR adjusting circuit and the charging adjusting circuit.
Preferably, the power controller takes the solar output as a common connection point of the system, and when the whole satellite is in a solar wing power supply mode, the solar wing outputs the solar energy to the primary bus and the storage battery through the solar wing regulating circuit and the charging regulating circuit respectively; when the whole satellite is in a ground shadow mode, the energy of the storage battery is transmitted to the load of the whole satellite through the discharge regulating circuit.
The beneficial effect of this application is:
1. the MPPT adjusting mode is adopted, so that the power subsystem can fully utilize the output power of the solar cell array, the area of a solar panel is reduced, the design of a power system is optimized, and the structural strength of the whole satellite is improved compared with the traditional shunting adjusting mode;
2. the invention is fully compatible with the existing on-orbit fully-regulated bus topological structure form, and fills the technical blank of the domestic on-orbit satellite MPPT mode on the fully-regulated bus system topology;
3. the three full-regulation topological forms based on the MPPT mode are simple, flexible in application and high in reliability.
4. The invention can be applied to all platform satellites in high, medium and low orbit, and has the advantage of high solar wing energy utilization rate compared with the existing shunting type adjusting technology.
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 block circuit diagram of a first preferred embodiment of the present invention;
FIG. 2 is a block circuit diagram of a second preferred embodiment of the present invention;
FIG. 3 is a block circuit diagram of a third preferred embodiment of 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.
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. 1, a full-regulation power supply system based on the MPPT method includes a solar wing, a storage battery pack management unit, a distributor, and a power supply controller;
the power supply controller adopts a design scheme of a full-adjustment bus and is responsible for generating a power supply bus to complete energy balance among a solar cell array, a storage battery pack and a load during the service life of the rail; when the output power of the solar wing is greater than the whole-satellite load and the charging power, the MPPT regulating circuit regulates the output of the solar wing to be in a constant voltage mode so as to stabilize the voltage of a primary bus; when the output power of the solar wing is smaller than the whole satellite load and the charging power, the MPPT adjusting circuit adjusts the output of the solar wing to be in a maximum power mode, and the charging/discharging adjusting circuit controls the bus voltage to be stable.
Wherein:
the power supply controller consists of a solar wing adjusting module and a charging and discharging adjusting module, the solar wing adjusts and outputs the generated power to a primary bus through an MPPT adjusting circuit in the solar wing adjusting module, and meanwhile, the charging function of the storage battery pack is completed through a charging adjusting circuit in the charging and discharging adjusting module.
The topology is formed by the following forms:
the whole topology takes a primary bus (VBUS) as a system connection common point, when the whole star is in a solar wing power supply mode, the solar wing outputs solar energy to the primary bus through the MPPT regulating circuit, and the energy is transmitted to the charging and load again through the primary bus; when the whole satellite is in a ground shadow mode or the output power of the solar wing does not meet the load of the whole satellite, the energy of the storage battery is transmitted to the load of the whole satellite through a discharge adjusting circuit in the charge-discharge adjusting module.
The whole topology is composed of a power supply controller, a solar wing, a storage battery pack management unit, a distributor and the like. The power controller power regulating circuit comprises an MPPT regulating circuit, a charging regulating circuit and a discharging regulating circuit.
Topological advantages are as follows:
1) the topology is consistent with a shunt type full-regulating bus system applied in the current on-orbit, and the system relay performance is high;
2) it is suitable for medium and high orbit satellite and aircraft.
Referring to fig. 2, a full-regulation power supply system based on the MPPT method includes a solar wing, a storage battery pack management unit, a distributor, and a power supply controller;
the power supply controller adopts a design scheme of a full-adjustment bus and is responsible for generating a power supply bus to complete energy balance among a solar cell array, a storage battery pack and a load during the service life of the rail; when the output power of the solar wing is greater than the whole-satellite load and the charging power, the MPPT regulating circuit regulates the output of the solar wing to be in a constant voltage mode so as to stabilize the voltage of a primary bus; when the output power of the solar wing is smaller than the whole satellite load and the charging power, the MPPT adjusting circuit adjusts the output of the solar wing to be in a maximum power mode, and the charging/discharging adjusting circuit controls the bus voltage to be stable.
Wherein:
the power supply controller consists of a solar wing adjusting module and a discharging adjusting module, the solar wing adjusts and outputs the generated power to the storage battery through an MPPT adjusting circuit in the solar wing adjusting module, and meanwhile, the discharging adjusting module transmits the output energy of the solar wing to a primary bus and simultaneously completes the charging function of the storage battery.
The topology is formed by the following forms:
in the whole topology, a storage battery (VBAT) is used as a connection common point of the system, and the energy of the solar wing and the energy of the storage battery pack are output to a primary bus through a discharge regulation module.
The whole topology is composed of a power supply controller, a solar wing, a storage battery pack management unit, a distributor and the like. The power controller power regulating circuit comprises an MPPT regulating circuit and a discharge regulating circuit.
Topological advantages are as follows:
1) the topology is simple, and the system control is simple;
2) the power supply controller has small volume and light weight;
3) the dynamic characteristic of the power supply subsystem is good;
4) it is suitable for low-orbit satellite and aircraft.
Referring to fig. 3, a full-regulation power supply system based on the MPPT method includes a solar wing, a storage battery pack management unit, a distributor, and a power supply controller;
the power supply controller adopts a design scheme of a full-adjustment bus and is responsible for generating a power supply bus to complete energy balance among a solar cell array, a storage battery pack and a load during the service life of the rail; when the output power of the solar wing is greater than the whole-satellite load and the charging power, the MPPT regulating circuit regulates the output of the solar wing to be in a constant voltage mode so as to stabilize the voltage of a primary bus; when the output power of the solar wing is smaller than the whole satellite load and the charging power, the MPPT adjusting circuit adjusts the output of the solar wing to be in a maximum power mode, and the charging/discharging adjusting circuit controls the bus voltage to be stable.
Wherein:
the power supply controller consists of a plurality of solar wing adjusting modules, and the solar wings respectively regulate and output the energy generated by the solar wings to a primary bus and a storage battery through an SMBR adjusting circuit and a charging adjusting circuit.
The topology is formed by the following forms:
the whole topology adopts the solar output (VSAR) as the common connection point of the system, and when the whole satellite is in the solar wing power supply mode, the solar wing outputs the solar energy to a primary bus and a storage battery pack through a solar wing adjusting circuit and a charging adjusting circuit respectively; when the whole satellite is in a ground shadow mode, the energy of the storage battery is transmitted to the load of the whole satellite through the discharge regulating circuit.
The whole topology is composed of a power supply controller, a solar wing, a storage battery pack management unit, a distributor and the like. The power supply controller power regulating circuit comprises a solar wing regulating circuit, a charging regulating circuit and a discharging regulating circuit.
Topological advantages are as follows:
1) the solar wing supplies energy to the whole satellite load for power supply through only one converter, and meanwhile, the storage battery pack is charged, and the output energy of the solar wing is fully utilized;
2) the integrated design of the controller is convenient;
3) the dynamic characteristic of the power supply subsystem is good;
4) it is suitable for low, medium and high orbit satellites and aircrafts.
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 (7)
1. A full-regulation power supply system based on an MPPT mode comprises a solar wing, a storage battery pack management unit and a distributor; the device is characterized by at least comprising a power supply controller;
the power supply controller: the power supply controller adopts a design scheme of a full-adjustment bus and is responsible for generating a power supply bus to complete energy balance among a solar cell array, a storage battery pack and a load during the service life of the rail; when the output power of the solar wing is greater than the whole-satellite load and the charging power, the MPPT regulating circuit regulates the output of the solar wing to be in a constant voltage mode so as to stabilize the voltage of a primary bus; when the output power of the solar wing is smaller than the whole satellite load and the charging power, the MPPT adjusting circuit adjusts the output of the solar wing to be in a maximum power mode, and the charging/discharging adjusting circuit controls the bus voltage to be stable.
2. The MPPT-based fully regulated power supply system of claim 1, wherein: the power supply controller consists of a solar wing adjusting module and a charging and discharging adjusting module; the solar wing regulates and outputs the generated power to a primary bus through an MPPT regulating circuit in the solar wing regulating module, and meanwhile, the charging function of the storage battery pack is completed through a charging regulating circuit in the charging and discharging regulating module.
3. The MPPT-based fully regulated power supply system of claim 2, wherein: the power supply controller takes a primary bus as a system connection common point, when the whole satellite is in a solar wing power supply mode, the solar wing outputs solar energy to the primary bus through the MPPT regulating circuit, and the energy is transmitted to the charging and loading again through the primary bus; when the whole satellite is in a ground shadow mode or the output power of the solar wing does not meet the load of the whole satellite, the energy of the storage battery is transmitted to the load of the whole satellite through a discharge adjusting circuit in the charge-discharge adjusting module.
4. The MPPT-based fully regulated power supply system of claim 1, wherein: the power supply controller is composed of a solar wing adjusting module and a discharging adjusting module, the solar wing adjusts and outputs the generated power to the storage battery through an MPPT adjusting circuit in the solar wing adjusting module, meanwhile, the discharging adjusting module transmits the output energy of the solar wing to a primary bus, and meanwhile, the charging function of the storage battery is completed.
5. The MPPT based fully regulated power supply system of claim 4, wherein: the power supply controller takes the storage battery as a common connection point of the system, and the energy of the solar wing and the energy of the storage battery pack are output to the primary bus through the discharge regulation module.
6. The MPPT-based fully regulated power supply system of claim 1, wherein: the power supply controller is composed of a plurality of solar wing adjusting modules, and the solar wings respectively regulate and output the generated energy to a primary bus and a storage battery through an SMBR adjusting circuit and a charging adjusting circuit.
7. The MPPT based fully regulated power supply system of claim 6, wherein: the power supply controller takes the solar output as a connection common point of the system, and when the whole satellite is in a solar wing power supply mode, the solar wing outputs the solar energy to a primary bus and a storage battery pack through a solar wing regulating circuit and a charging regulating circuit respectively; when the whole satellite is in a ground shadow mode, the energy of the storage battery is transmitted to the load of the whole satellite through the discharge regulating circuit.
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| CN202110590782.9A CN113258663A (en) | 2021-05-28 | 2021-05-28 | Full-regulation power supply system based on MPPT mode |
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Effective date of registration: 20221114 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone 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 Applicant before: CETC Energy Co.,Ltd. |
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Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant after: CETC Blue Sky Technology Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant before: CETC Energy Co.,Ltd. |
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Application publication date: 20210813 |
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| WD01 | Invention patent application deemed withdrawn after publication |