CN115588990A - Auxiliary power supply magnetic integrated transformer of wind, light, firewood and storage integrated machine - Google Patents
Auxiliary power supply magnetic integrated transformer of wind, light, firewood and storage integrated machine Download PDFInfo
- Publication number
- CN115588990A CN115588990A CN202211568222.4A CN202211568222A CN115588990A CN 115588990 A CN115588990 A CN 115588990A CN 202211568222 A CN202211568222 A CN 202211568222A CN 115588990 A CN115588990 A CN 115588990A
- Authority
- CN
- China
- Prior art keywords
- primary
- switch
- circuit
- capacitor
- coil
- 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
- 230000008439 repair process Effects 0.000 claims abstract description 36
- 239000003990 capacitor Substances 0.000 claims description 79
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
-
- 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
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
- H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude only
-
- 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
- H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
Abstract
The invention provides an auxiliary power supply magnetic integrated transformer of a wind, light, diesel and storage integrated machine, which relates to the technical field of power supply devices and comprises a magnetic core, a primary circuit, a secondary circuit and a repair circuit; the wind, light and diesel storage all-in-one machine is characterized in that a plurality of primary circuits are arranged on the magnetic core, one end of each primary circuit is connected with the magnetic core, the other end of each primary circuit is electrically connected with different energy sources, one end of each secondary circuit and one end of each repair circuit are connected with the magnetic core, the other end of each secondary circuit is electrically connected with a weak current system of the wind, light and diesel storage all-in-one machine, and the other end of each repair circuit is electrically connected with a battery to be repaired. By integrating the transformation circuits of different energy sources into one transformer, the different energy sources can be converted into required working power supplies only by one magnetic core, and the structure and the circuit of the transformer are simplified.
Description
Technical Field
The invention relates to the technical field of power supply devices, in particular to an auxiliary power supply magnetic integration transformer of a wind, light, diesel and storage integrated machine.
Background
The wind, light, diesel and storage integrated machine utilizes the complementary characteristics of wind energy and solar energy, adjusts electric energy through the storage battery and the diesel generator, reduces oil consumption, and provides a stable and reliable high-quality power supply for a system or electric equipment, so that good economic and social benefits are obtained.
The wind, light, diesel and storage integrated machine is generally connected with a photovoltaic panel energy source, a wind driven generator energy source, a diesel generator energy source, a large power grid and a storage battery pack, and is shown in figure 1. Because photovoltaic and wind power are unstable energy sources, a large power grid and a diesel generator also have the working condition of power failure maintenance, in order to adapt to various working conditions, the wind-solar-diesel-storage all-in-one machine is required to normally work under most working conditions, and particularly weak current and circuits of a control part in the system can normally work, so that the traditional wind-solar-diesel-storage all-in-one machine is characterized in that a photovoltaic panel energy source, a wind driven generator energy source, a diesel generator energy source, a large power grid and a storage battery are respectively provided with independent auxiliary power sources to supply power to the circuits of the weak current and control part of the system, and each auxiliary power transformer in the prior art is provided with an independent magnetic core, so that the magnetic part of the whole auxiliary power transformer is large in size, high in price and complex in circuit.
Under the working condition that a lead-acid battery is not charged for a long time or is overdischarged, the battery can lose electricity, if the battery wants to be put into use again, the battery needs to be activated or repaired, the traditional wind, light, diesel and storage all-in-one machine is provided with an independent circuit to achieve the function, and the size of a transformer structure in the all-in-one machine is further increased.
Disclosure of Invention
The invention aims to solve the problems that an auxiliary power supply in the existing wind, light, diesel and storage integrated machine is large in size and complex in circuit.
In order to solve the above problems, on one hand, the invention provides an auxiliary power supply magnetic integrated transformer of a wind, light, diesel and storage integrated machine, which comprises a magnetic core, a primary circuit, a secondary circuit and a repair circuit;
the wind, light and diesel storage integrated machine comprises a magnetic core, a plurality of secondary side circuits, a repair circuit and a plurality of batteries, wherein the magnetic core is provided with a plurality of primary side circuits, one end of each primary side circuit is connected with the magnetic core, the other end of each primary side circuit is respectively used for being electrically connected with different energy sources, one end of each secondary side circuit and one end of the repair circuit are respectively connected with the magnetic core, the other end of each secondary side circuit is used for being electrically connected with a weak current system of the wind, light and diesel storage integrated machine, and the other end of the repair circuit is used for being electrically connected with the batteries to be repaired;
the repair circuit comprises a battery repair coil, a diode and a power-on switch; the battery repair wire package is wound on the magnetic core, the battery repair wire package is connected with the diode and the power-on switch in series, and when the power-on switch is closed, the repair circuit outputs high-frequency pulses to the battery to be repaired, so that the battery to be repaired can be activated and repaired.
Optionally, the primary circuit includes a first primary circuit, the first primary circuit includes a first primary coil, a first capacitor, a first switch, and a first controller, the first primary coil is wound around the magnetic core, one end of the first primary coil is connected to one end of the first switch, the other end of the first primary coil is connected to one end of the first capacitor, the other end of the first capacitor is connected to the other end of the first switch, and the first controller is connected to a control end of the first switch and is configured to control the first switch to be turned on or off; and the two ends of the first capacitor are respectively used for electrically connecting with the two ends of the battery pack.
Optionally, the primary side circuit includes a second primary side circuit, the second primary side circuit includes a second primary side coil, a second capacitor, a second switch, and a second controller, the second primary side coil is wound around the magnetic core, one end of the second primary side coil is connected to one end of the second switch, the other end of the second primary side coil is connected to one end of the second capacitor, the other end of the second capacitor is connected to the other end of the second switch, and the second controller is connected to a control end of the second switch and is configured to control the second switch to be turned on or turned off; the two ends of the second capacitor are respectively used for being electrically connected with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the power grid and taking the rectified current as the energy source of the second primary side circuit.
Optionally, the primary side circuit includes a third primary side circuit, the third primary side circuit includes a third primary side coil, a third capacitor, a third switch, and a third controller, the third primary side coil is wound around the magnetic core, one end of the third primary side coil is connected to one end of the third switch, the other end of the third primary side coil is connected to one end of the third capacitor, the other end of the third capacitor is connected to the other end of the third switch, and the third controller is connected to a control end of the third switch and is configured to control the third switch to be turned on or turned off; and the two ends of the third capacitor are respectively used for electrically connecting with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the wind driven generator and taking the rectified current as the energy source of the third primary side circuit.
Optionally, the primary side circuit includes a fourth primary side circuit, the fourth primary side circuit includes a fourth primary side coil, a fourth capacitor, a fourth switch, and a fourth controller, the fourth primary side coil is wound around the magnetic core, one end of the fourth primary side coil is connected to one end of the fourth switch, the other end of the fourth primary side coil is connected to one end of the fourth capacitor, the other end of the fourth capacitor is connected to the other end of the fourth switch, and the fourth controller is connected to a control end of the fourth switch and is configured to control the fourth switch to be turned on or turned off; the two ends of the fourth capacitor are respectively used for being electrically connected with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the diesel generator and taking the rectified current as the energy source of the fourth primary side circuit.
Optionally, the primary circuit includes a fifth primary circuit, the fifth primary circuit includes a fifth primary coil, a fifth capacitor, a fifth switch and a fifth controller, the fifth primary coil is wound around the magnetic core, one end of the fifth primary coil is connected to one end of the fifth switch, the other end of the fifth primary coil is connected to one end of the fifth capacitor, the other end of the fifth capacitor is connected to the other end of the fifth switch, and the fifth controller is connected to a control end of the fifth switch and is configured to control the fifth switch to be turned on or off; and two ends of the fifth capacitor are respectively used for electrically connecting with two ends of a direct current bus, the direct current bus is electrically connected to a photovoltaic module, and the photovoltaic module is used as an energy source of the fifth primary circuit.
Optionally, the secondary side circuit includes a plurality of secondary side subcircuits, the secondary side subcircuit includes secondary side sub-solenoid, secondary side diode and secondary side electric capacity, secondary side sub-solenoid twines on the magnetic core, the one end of secondary side sub-solenoid with the one end of secondary side diode links to each other, the other end of secondary side diode with the one end of secondary side electric capacity links to each other, the other end of secondary side electric capacity with the other end of secondary side sub-solenoid links to each other, the both ends of secondary side electric capacity still are connected with the output wire, the output wire with weak current system electrical property links to each other.
Optionally, the secondary side circuit further includes a secondary side solenoid, and the secondary side solenoid includes a plurality of secondary side solenoids in the secondary side sub-circuit, and the plurality of secondary side solenoids are sequentially connected in series.
Optionally, comparing the energy intensity of the plurality of energy sources, selecting the energy source with the largest energy as a working energy source, controlling the conduction of the primary side circuit where the working energy source is located, and providing energy for the secondary side circuit; and when the battery to be repaired needs to be activated and repaired, the power-on switch is controlled to be closed, and high-frequency pulses are output to the battery to be repaired.
Optionally, the shape of the magnetic core is an O-shape, and the coils wound on the magnetic core are independent of each other.
Compared with the prior art, the invention has the following beneficial effects:
according to the auxiliary power supply magnetic integrated transformer of the wind, light, diesel and energy storage all-in-one machine, transformation circuits of different energy sources are integrated in one transformer, and the different energy sources can be converted into required working power supplies only by one magnetic core, so that the structure and the circuit of the transformer are simplified; because the energy sources of the all-in-one machine are not unique, even if one energy source is damaged and needs to be maintained or one energy source stops working, the weak current system and the control system corresponding to the stopped energy source can still keep standby working or keep normal working through the electric energy output by other energy sources, so that when the stopped energy source needs to be started, the energy source can be normally started without independently setting a driving power supply for the weak current system or the control system corresponding to each energy source, and the structure of a transformer is further reduced; when the lead-acid battery in the power supply system is not used for a long time or is over-discharged, the lead-acid battery to be repaired can be connected with the output end of the repair circuit, the power-on switch in the repair circuit is controlled to be closed, the repair circuit outputs high-frequency pulses to the battery to be repaired, the battery to be repaired is activated and repaired, an activation and repair transformer is not needed to be additionally arranged, only one circuit is added on the secondary side of the transformer, the structure of the all-in-one machine is simplified, and the cost is reduced.
Drawings
FIG. 1 shows a schematic structural diagram of a conventional wind, light, firewood and storage integrated machine;
FIG. 2 shows a schematic structural diagram of the wind, light, firewood and storage integrated machine in the embodiment of the invention;
FIG. 3 shows a detailed structural diagram of the wind, light, firewood and storage integrated machine in the embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. While certain embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and the embodiments of the invention are for illustration purposes only and are not intended to limit the scope of the invention.
It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the invention is not limited in this respect.
The term "including" and variations thereof as used herein is intended to be open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "alternative embodiments". Relevant definitions for other terms will be given in the following description. It should be noted that the terms "first", "second", and the like in the present invention are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in the present invention are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that reference to "one or more" unless the context clearly dictates otherwise.
Fig. 1 shows a schematic structural diagram of a conventional wind, photovoltaic, diesel and storage integrated machine, in which a photovoltaic panel energy, a wind driven generator energy, a diesel generator energy, a large Power grid and a storage battery are connected to the wind, photovoltaic and diesel storage integrated machine, the photovoltaic panel energy outputs electric energy to a direct current bus through a Maximum Power Point Tracking (MPPT) controller and a direct current (DC/DC) converter, the storage battery outputs electric energy to the direct current bus through the direct current (DC/DC) converter, and a direct current load is electrically connected to the direct current bus; the large power grid, the wind driven generator and the diesel generator output electric energy to an alternating current bus, and an alternating current load is electrically connected with the alternating current bus; the direct current bus and the alternating current bus are respectively connected with an alternating current-direct current (DC/AC) inverter circuit.
FIG. 2 shows a schematic structural diagram of the wind, light, diesel and energy storage all-in-one machine in the embodiment of the invention, wherein an auxiliary power supply magnetic integrated transformer of the wind, light, diesel and energy storage all-in-one machine comprises a magnetic core, a primary side circuit, a secondary side circuit and a repair circuit;
the wind, light and diesel storage integrated machine comprises a magnetic core, a plurality of secondary side circuits, a repair circuit and a plurality of batteries, wherein the magnetic core is provided with a plurality of primary side circuits, one end of each primary side circuit is connected with the magnetic core, the other end of each primary side circuit is respectively used for being electrically connected with different energy sources, one end of each secondary side circuit and one end of the repair circuit are respectively connected with the magnetic core, the other end of each secondary side circuit is used for being electrically connected with a weak current system of the wind, light and diesel storage integrated machine, and the other end of the repair circuit is used for being electrically connected with the batteries to be repaired;
the repair circuit comprises a battery repair coil, a diode D1 and a power-on switch; the battery repairing coil is wound on the magnetic core, the battery repairing coil is connected with the diode and the power-on switch in series, when the power-on switch is closed, the repairing circuit outputs high-frequency pulses to the battery to be repaired for activating and repairing the battery to be repaired, the power-on switch in the figure 2 is provided with a switch K1 and a switch K2, the repairing circuit can be conducted only when the two switches are closed, and the switch is prevented from being touched by mistake and being operated by mistake; the battery repair coil is the battery repair coil 1 in fig. 3.
In this embodiment, the energy source may be energy output by a photovoltaic panel, a wind power generator, a diesel generator, a large power grid, and a storage battery, or energy output by other power generation types. In addition, when the energy source is a photovoltaic panel, it refers to a photovoltaic array or a photovoltaic module composed of a plurality of photovoltaic panels. The preferred O type of shape of magnetic core, the solenoid of winding on the magnetic core is independent each other, and mutual insulation does not communicate. The O-shaped magnetic core has the advantages that the positions of the primary side and the secondary side are not required to be distinguished on the magnetic core, and the magnetic field can be checked and generated around the magnetic core only by winding the primary side coil on the magnetic core, so that the current is excited in the secondary side coil to provide energy for the secondary side current, and the primary side coil and the secondary side coil are preferably arranged oppositely, so that the current excited in the secondary side coil is the largest. In fig. 2, the primary side circuit includes a primary side circuit 1, a primary side circuit 2, a primary side circuit 3, a primary side circuit 4, and a primary side circuit 5, the secondary side circuit includes a secondary side circuit 1, the repair circuit includes a secondary side circuit 2, the secondary side circuit 1 can supply power for a plurality of loads, and the loads 1 to n in fig. 2 are respectively weak power systems or control systems corresponding to different energy sources in the system.
In the auxiliary power supply magnetic integrated transformer of the wind, light and diesel storage all-in-one machine in the embodiment, the transformer circuits of different energy sources are integrated in one transformer, and the different energy sources can be converted into required working power supplies only by one magnetic core, so that the structure and the circuit of the transformer are simplified; because the energy sources of the all-in-one machine are not unique, even if one energy source is damaged and needs to be maintained or one energy source stops working, the weak current system and the control system corresponding to the shutdown energy source can still keep standby working or normal working through the electric energy output by other energy sources, so that when the shutdown energy source needs to be started, the shutdown energy source can be started normally, a driving power supply does not need to be arranged for the weak current system or the control system corresponding to each energy source independently, and the structure of a transformer is further reduced.
In addition, under the working condition that the lead-acid battery is not charged for a long time or is overdischarged, the battery can be lack of electricity, if the battery is put into use again, the battery needs to be activated or repaired by high-voltage pulses, the battery can be normally used after activation or repair is completed, and the function is realized by only using one circuit. In the embodiment, an additional circuit is not needed to realize the function, when the lead-acid battery in the power supply system is not used for a long time or is over-discharged, the lead-acid battery to be repaired can be connected with the output end of the repair circuit, the power-on switch in the repair circuit is controlled to be closed, so that the repair circuit outputs high-frequency pulses to the battery to be repaired, the battery to be repaired is activated and repaired, an activation and repair transformer is not needed to be additionally arranged, only one circuit is added on the secondary side of the transformer, the structure of the all-in-one machine is simplified, and the cost is reduced.
In one embodiment of the present invention, the energy intensities of a plurality of energy sources are compared, the energy source with the largest energy is selected as a working energy source, and the primary side circuit where the working energy source is located is controlled to be conducted to provide energy for the secondary side circuit; and when the battery to be repaired needs to be activated and repaired, controlling the power-on switch to be closed, and outputting high-frequency pulse to the battery to be repaired.
Because the primary side of the transformer is connected with multiple energy sources, in order to prevent the multiple energy sources from working simultaneously and wasting unnecessary electric energy, the working priorities of the multiple energy sources need to be controlled, the energy source with the largest energy is selected as a power supply of a weak current system, and the voltage or current of the multiple energy output ends can be compared when the energy intensity is compared, so that the intensity of the energy source is measured, the power supply of the energy source with the large energy is stable, meanwhile, the burden on the energy source is not large, the requirement of the original electric energy output of the energy source can be met, and meanwhile, the weak current system in the all-in-one machine can be powered.
In an embodiment of the present invention, the primary circuit includes a first primary circuit, the first primary circuit includes a first primary coil, a first capacitor, a first switch, and a first controller, the first primary coil is wound around the magnetic core, one end of the first primary coil is connected to one end of the first switch, the other end of the first primary coil is connected to one end of the first capacitor, the other end of the first capacitor is connected to the other end of the first switch, and the first controller is connected to a control end of the first switch and configured to control the first switch to be turned on or off; and the two ends of the first capacitor are respectively used for electrically connecting with the two ends of the battery pack. In fig. 3, the first primary-side coil is a primary-side coil 1, the first capacitor is a capacitor C1, the first switch is an electronic control switch S1, and the first controller is a PWM (pulse width modulation) controller, and when the auxiliary power supply uses the electric energy of the battery as a power supply energy source, the electronic control switch S1 is controlled to be turned on, and a magnetic field is formed in the magnetic core.
In an embodiment of the present invention, the primary circuit includes a second primary circuit, the second primary circuit includes a second primary coil, a second capacitor, a second switch, and a second controller, the second primary coil is wound around the magnetic core, one end of the second primary coil is connected to one end of the second switch, the other end of the second primary coil is connected to one end of the second capacitor, the other end of the second capacitor is connected to the other end of the second switch, and the second controller is connected to a control end of the second switch and is configured to control the second switch to be turned on or off; the two ends of the second capacitor are respectively used for being electrically connected with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the power grid and taking the rectified current as the energy source of the second primary side circuit. In fig. 3, the second primary side coil is the primary side coil 2, the second capacitor is the capacitor C2, the second switch is the electronic control switch S2, and the second controller is a PWM (pulse width modulation) controller, and when the auxiliary power supply uses the electric energy of the power grid as the power supply energy source, the electronic control switch S2 is controlled to be turned on, and a magnetic field is formed in the magnetic core.
In an embodiment of the present invention, the primary side circuit includes a third primary side circuit, the third primary side circuit includes a third primary side coil, a third capacitor, a third switch, and a third controller, the third primary side coil is wound around the magnetic core, one end of the third primary side coil is connected to one end of the third switch, the other end of the third primary side coil is connected to one end of the third capacitor, the other end of the third capacitor is connected to the other end of the third switch, and the third controller is connected to a control end of the third switch and configured to control the third switch to be turned on or off; and the two ends of the third capacitor are respectively used for electrically connecting with the output end of the rectifying circuit, the rectifying circuit is used for rectifying the current output by the wind driven generator, and the rectified current is used as the energy source of the third primary side circuit. In fig. 3, the third primary side coil is a primary side coil 3, the third capacitor is a capacitor C3, the third switch is an electronic control switch S3, and the third controller is a PWM (pulse width modulation) controller, and when the auxiliary power supply uses the electric energy of the wind turbine as the power supply energy source, the electronic control switch S3 is controlled to be turned on, and a magnetic field is formed in the magnetic core.
In an embodiment of the present invention, the primary side circuit includes a fourth primary side circuit, the fourth primary side circuit includes a fourth primary side coil, a fourth capacitor, a fourth switch, and a fourth controller, the fourth primary side coil is wound on the magnetic core, one end of the fourth primary side coil is connected to one end of the fourth switch, the other end of the fourth primary side coil is connected to one end of the fourth capacitor, the other end of the fourth capacitor is connected to the other end of the fourth switch, and the fourth controller is connected to a control end of the fourth switch and is configured to control turning on and off of the fourth switch; the two ends of the fourth capacitor are respectively used for being electrically connected with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the diesel generator and taking the rectified current as the energy source of the fourth primary side circuit. In fig. 3, the fourth primary-side coil is a primary-side coil 4, the fourth capacitor is a capacitor C4, the fourth switch is an electronic control switch S4, and the fourth controller is a PWM (pulse width modulation) controller, and when the auxiliary power supply uses the electric energy of the diesel generator as a power supply energy source, the electronic control switch S4 is controlled to be turned on, and a magnetic field is formed in the magnetic core.
In an embodiment of the present invention, the primary circuit includes a fifth primary circuit, the fifth primary circuit includes a fifth primary coil, a fifth capacitor, a fifth switch, and a fifth controller, the fifth primary coil is wound on the magnetic core, one end of the fifth primary coil is connected to one end of the fifth switch, the other end of the fifth primary coil is connected to one end of the fifth capacitor, the other end of the fifth capacitor is connected to the other end of the fifth switch, and the fifth controller is connected to a control end of the fifth switch and is configured to control the fifth switch to be turned on or off; and two ends of the fifth capacitor are respectively used for electrically connecting with two ends of a direct current bus, the direct current bus is electrically connected to a photovoltaic module, and the photovoltaic module is used as an energy source of the fifth primary circuit. In fig. 3, a fifth primary-side coil is a primary-side coil 5, a fifth capacitor is a capacitor C5, a fifth switch is an electronic control switch S5, and a fifth controller is a PWM (pulse width modulation) controller, and when the auxiliary power supply uses the electric energy of the photovoltaic module as a power supply energy source, the electronic control switch S5 is controlled to be turned on, and a magnetic field is formed in the magnetic core.
The energy sources of the various primary circuits are different, two or more than two primary circuits can be arranged in one transformer and respectively correspond to different energy sources, and the various energy sources inject energy into the magnetic core in a competitive mode according to the strength of the energy.
In an embodiment of the present invention, the secondary side circuit includes a plurality of secondary side sub-circuits, each of the secondary side sub-circuits includes a secondary side sub-coil, a secondary side diode, and a secondary side capacitor, the secondary side sub-coil is wound on the magnetic core, one end of the secondary side sub-coil is connected to one end of the secondary side diode, the other end of the secondary side diode is connected to one end of the secondary side capacitor, the other end of the secondary side capacitor is connected to the other end of the secondary side sub-coil, two ends of the secondary side capacitor are further connected to output wires, and the output wires are electrically connected to the weak current system. In fig. 3, n secondary side sub-circuits are provided to supply power to n different loads (i.e., weak current systems or control systems), respectively, the secondary side sub-coils are a secondary side coil 1 to a secondary side coil n, the secondary side diodes are D2 to Dn +1, and the secondary side capacitors include C6 to Cn +5. It should be noted that, a plurality of sub-side sub-coils may be mutually independent and do not interfere with each other as shown in fig. 3, or a plurality of sub-side sub-coils may be sequentially connected in series to form one sub-side coil, that is, the plurality of sub-side sub-coils are led out from different positions of one sub-side coil, one sub-side coil is divided into a plurality of different sub-side sub-coils, and the sub-side sub-coils correspond to different loads respectively to form a form in which one sub-side coil supplies power to the plurality of loads, so that the arrangement of the coils can be reduced, the compactness of the structure can be increased, and the volume of the structure can be further reduced.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications are intended to fall within the scope of the invention.
Claims (10)
1. An auxiliary power supply magnetic integrated transformer of a wind, light and diesel storage integrated machine is characterized by comprising a magnetic core, a primary side circuit, a secondary side circuit and a repair circuit;
the wind, light and diesel storage integrated machine comprises a magnetic core, a plurality of secondary side circuits, a repair circuit and a plurality of batteries, wherein the magnetic core is provided with a plurality of primary side circuits, one end of each primary side circuit is connected with the magnetic core, the other end of each primary side circuit is respectively used for being electrically connected with different energy sources, one end of each secondary side circuit and one end of the repair circuit are respectively connected with the magnetic core, the other end of each secondary side circuit is used for being electrically connected with a weak current system of the wind, light and diesel storage integrated machine, and the other end of the repair circuit is used for being electrically connected with the batteries to be repaired;
the repair circuit comprises a battery repair coil, a diode and a power-on switch; the battery repairing coil is wound on the magnetic core, the battery repairing coil is connected with the diode and the power-on switch in series, and when the power-on switch is closed, the repairing circuit outputs high-frequency pulses to the battery to be repaired for activating and repairing the battery to be repaired.
2. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and storage all-in-one machine is characterized in that the primary circuit comprises a first primary circuit, the first primary circuit comprises a first primary coil, a first capacitor, a first switch and a first controller, the first primary coil is wound on the magnetic core, one end of the first primary coil is connected with one end of the first switch, the other end of the first primary coil is connected with one end of the first capacitor, the other end of the first capacitor is connected with the other end of the first switch, and the first controller is connected with the control end of the first switch and used for controlling the first switch to be turned on or off; and the two ends of the first capacitor are respectively used for electrically connecting with the two ends of the battery pack.
3. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and storage all-in-one machine according to claim 1, wherein the primary circuit comprises a second primary circuit, the second primary circuit comprises a second primary coil, a second capacitor, a second switch and a second controller, the second primary coil is wound on the magnetic core, one end of the second primary coil is connected with one end of the second switch, the other end of the second primary coil is connected with one end of the second capacitor, the other end of the second capacitor is connected with the other end of the second switch, and the second controller is connected with a control end of the second switch and used for controlling the second switch to be switched on or switched off; the two ends of the second capacitor are respectively used for being electrically connected with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the power grid and taking the rectified current as the energy source of the second primary side circuit.
4. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and storage all-in-one machine is characterized in that the primary side circuit comprises a third primary side circuit, the third primary side circuit comprises a third primary side coil, a third capacitor, a third switch and a third controller, the third primary side coil is wound on the magnetic core, one end of the third primary side coil is connected with one end of the third switch, the other end of the third primary side coil is connected with one end of the third capacitor, the other end of the third capacitor is connected with the other end of the third switch, and the third controller is connected with a control end of the third switch and used for controlling the third switch to be turned on or turned off; and the two ends of the third capacitor are respectively used for electrically connecting with the output end of the rectifying circuit, the rectifying circuit is used for rectifying the current output by the wind driven generator, and the rectified current is used as the energy source of the third primary side circuit.
5. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and storage all-in-one machine is characterized in that the primary circuit comprises a fourth primary circuit, the fourth primary circuit comprises a fourth primary coil, a fourth capacitor, a fourth switch and a fourth controller, the fourth primary coil is wound on the magnetic core, one end of the fourth primary coil is connected with one end of the fourth switch, the other end of the fourth primary coil is connected with one end of the fourth capacitor, the other end of the fourth capacitor is connected with the other end of the fourth switch, and the fourth controller is connected with a control end of the fourth switch and used for controlling the fourth switch to be turned on or off; the two ends of the fourth capacitor are respectively used for being electrically connected with the output end of the rectifying circuit, and the rectifying circuit is used for rectifying the current output by the diesel generator and taking the rectified current as the energy source of the fourth primary side circuit.
6. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and storage all-in-one machine according to claim 1, wherein the primary circuit comprises a fifth primary circuit, the fifth primary circuit comprises a fifth primary coil, a fifth capacitor, a fifth switch and a fifth controller, the fifth primary coil is wound on the magnetic core, one end of the fifth primary coil is connected with one end of the fifth switch, the other end of the fifth primary coil is connected with one end of the fifth capacitor, the other end of the fifth capacitor is connected with the other end of the fifth switch, and the fifth controller is connected with a control end of the fifth switch and used for controlling the fifth switch to be turned on or off; and two ends of the fifth capacitor are respectively used for electrically connecting with two ends of a direct current bus, the direct current bus is electrically connected to a photovoltaic module, and the photovoltaic module is used as an energy source of the fifth primary side circuit.
7. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and storage all-in-one machine is characterized in that the auxiliary side circuit comprises a plurality of auxiliary side sub circuits, each auxiliary side sub circuit comprises an auxiliary side sub coil, an auxiliary side diode and an auxiliary side capacitor, the auxiliary side sub coils are wound on the magnetic core, one end of each auxiliary side sub coil is connected with one end of each auxiliary side diode, the other end of each auxiliary side diode is connected with one end of each auxiliary side capacitor, the other end of each auxiliary side capacitor is connected with the other end of each auxiliary side sub coil, two ends of each auxiliary side capacitor are further connected with output leads, and the output leads are electrically connected with the weak current system.
8. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and energy storage all-in-one machine as claimed in claim 7, wherein a plurality of secondary side sub-coils are sequentially connected in series to form a secondary side coil.
9. The auxiliary power supply magnetic integrated transformer of the wind, light, diesel and energy storage all-in-one machine according to any one of claims 1 to 8, characterized in that the energy intensity of a plurality of energy sources is compared, the energy source with the largest energy is selected as a working energy source, the primary side circuit where the working energy source is located is controlled to be conducted, and energy is provided for the secondary side circuit; and when the battery to be repaired needs to be activated and repaired, controlling the power-on switch to be closed, and outputting high-frequency pulse to the battery to be repaired.
10. The wind, light, firewood and storage integrated machine auxiliary power supply magnetic integrated transformer of claim 9, characterized in that the magnetic core is in an O-shape, and coils wound on the magnetic core are mutually independent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211568222.4A CN115588990A (en) | 2022-12-08 | 2022-12-08 | Auxiliary power supply magnetic integrated transformer of wind, light, firewood and storage integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211568222.4A CN115588990A (en) | 2022-12-08 | 2022-12-08 | Auxiliary power supply magnetic integrated transformer of wind, light, firewood and storage integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115588990A true CN115588990A (en) | 2023-01-10 |
Family
ID=84783159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211568222.4A Pending CN115588990A (en) | 2022-12-08 | 2022-12-08 | Auxiliary power supply magnetic integrated transformer of wind, light, firewood and storage integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115588990A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499677A (en) * | 2009-03-13 | 2009-08-05 | 陈家瑜 | Charging maintenance repairer for electric vehicle accumulator |
| CN204258322U (en) * | 2014-03-30 | 2015-04-08 | 张良华 | A kind of tank voltage balancing electric power electrical power transformation system |
| CN107425727A (en) * | 2017-06-09 | 2017-12-01 | 黑龙江大学 | Input tandem type accessory power supply |
| CN108631601A (en) * | 2018-05-18 | 2018-10-09 | 华为技术有限公司 | Multi input converter |
| CN108650726A (en) * | 2018-06-19 | 2018-10-12 | 九阳股份有限公司 | The half-bridge circuit and electromagnetic heater of electromagnetic heater |
| US10263456B1 (en) * | 2015-03-13 | 2019-04-16 | The Florida State University Research Foundation, Inc. | Integrated three-port bidirectional DC-DC converter for renewable energy sources |
| US20200136524A1 (en) * | 2018-01-09 | 2020-04-30 | Qingdao University | Multi-winding single-stage multi-input boost type high-frequency link's inverter with simultaneous/time-sharing power supplies |
| CN112383229A (en) * | 2020-11-27 | 2021-02-19 | 全球能源互联网研究院有限公司 | Multi-port power electronic transformer topological structure and alternating current-direct current micro-grid system thereof |
| CN113437762A (en) * | 2021-07-30 | 2021-09-24 | 易事特集团股份有限公司 | Photovoltaic inverter power system |
| CN114050600A (en) * | 2021-12-03 | 2022-02-15 | 上海安世博能源科技有限公司 | Power supply system and power supply method |
| CN114825882A (en) * | 2022-03-30 | 2022-07-29 | 武汉大学 | Modularized photovoltaic inverter and method based on three-phase integrated magnetic coupling ripple transfer |
-
2022
- 2022-12-08 CN CN202211568222.4A patent/CN115588990A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499677A (en) * | 2009-03-13 | 2009-08-05 | 陈家瑜 | Charging maintenance repairer for electric vehicle accumulator |
| CN204258322U (en) * | 2014-03-30 | 2015-04-08 | 张良华 | A kind of tank voltage balancing electric power electrical power transformation system |
| US10263456B1 (en) * | 2015-03-13 | 2019-04-16 | The Florida State University Research Foundation, Inc. | Integrated three-port bidirectional DC-DC converter for renewable energy sources |
| CN107425727A (en) * | 2017-06-09 | 2017-12-01 | 黑龙江大学 | Input tandem type accessory power supply |
| US20200136524A1 (en) * | 2018-01-09 | 2020-04-30 | Qingdao University | Multi-winding single-stage multi-input boost type high-frequency link's inverter with simultaneous/time-sharing power supplies |
| CN108631601A (en) * | 2018-05-18 | 2018-10-09 | 华为技术有限公司 | Multi input converter |
| CN108650726A (en) * | 2018-06-19 | 2018-10-12 | 九阳股份有限公司 | The half-bridge circuit and electromagnetic heater of electromagnetic heater |
| CN112383229A (en) * | 2020-11-27 | 2021-02-19 | 全球能源互联网研究院有限公司 | Multi-port power electronic transformer topological structure and alternating current-direct current micro-grid system thereof |
| CN113437762A (en) * | 2021-07-30 | 2021-09-24 | 易事特集团股份有限公司 | Photovoltaic inverter power system |
| CN114050600A (en) * | 2021-12-03 | 2022-02-15 | 上海安世博能源科技有限公司 | Power supply system and power supply method |
| CN114825882A (en) * | 2022-03-30 | 2022-07-29 | 武汉大学 | Modularized photovoltaic inverter and method based on three-phase integrated magnetic coupling ripple transfer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lu et al. | Photovoltaic-battery-powered DC bus system for common portable electronic devices | |
| KR101116430B1 (en) | Energy Storage System | |
| Mousa et al. | A switched inductor multilevel boost converter | |
| US8836165B2 (en) | Dual-source converter with auxiliary circuit and controller | |
| EP3591823A1 (en) | Combined dc-dc converter for use in hybrid power system | |
| US9130404B2 (en) | Multiple redundant solar power system | |
| CN110676917A (en) | Charging system and charging method | |
| Fernandez et al. | Multiple output AC/DC converter with an internal DC UPS | |
| KR20120011363A (en) | Apparatus and method for charging balance and grid connected type battery charging and discharging system thereof | |
| KR100844401B1 (en) | Uninterrupted power supply apparatus with a solar generating apparatus | |
| CN115588990A (en) | Auxiliary power supply magnetic integrated transformer of wind, light, firewood and storage integrated machine | |
| CN105449821A (en) | AC-DC hybrid microgrid system | |
| KR101899132B1 (en) | Arrangement for and method of dynamically managing electrical power between an electrical power source and an electrical load | |
| US11742682B2 (en) | Arrangement for and method of dynamically managing electrical power between an electrical power source and an electrical load | |
| WO2013046658A1 (en) | Switching apparatus and power storage system | |
| Nilangekar et al. | Design and development of electric vehicle battery charging using MIMO boost converter | |
| Liao et al. | LED driving circuit with stand-alone photovoltaic power | |
| CN110932333A (en) | Power distribution system | |
| CN101106337A (en) | Electrical conversion device, converter and uninterruptible power supply comprising such a device | |
| CN205283409U (en) | Pressure increasing system | |
| Ganesh et al. | DC UPS for critical loads | |
| Alhani | Design and implementation of multi-port DC-DC converters for electrical power systems | |
| CN219957750U (en) | DC internal feedback test system for micro-grid or energy storage device test | |
| CN214176920U (en) | Power battery echelon utilization recombination system | |
| Lu et al. | Light load efficiency improvement for distributed battery energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230110 |
|
| RJ01 | Rejection of invention patent application after publication |