CN217182999U - Energy-saving frequency converter capable of being charged reversely - Google Patents
Energy-saving frequency converter capable of being charged reversely Download PDFInfo
- Publication number
- CN217182999U CN217182999U CN202220539888.6U CN202220539888U CN217182999U CN 217182999 U CN217182999 U CN 217182999U CN 202220539888 U CN202220539888 U CN 202220539888U CN 217182999 U CN217182999 U CN 217182999U
- Authority
- CN
- China
- Prior art keywords
- igbt switch
- electrically connected
- circuit
- energy
- voltage
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an energy-conserving converter that can reverse to charge, include: the storage battery is connected with a first current transformation circuit through a resistor R1 and an inductor L2, the first current transformation circuit is connected with a transformer, the transformer is electrically connected with a second current transformation circuit through an inductor L1, the second current transformation circuit is connected with an energy storage filter capacitor C9 and a third current transformation circuit in parallel, the third current transformation circuit is electrically connected with a three-phase motor, and the first current transformation circuit, the second current transformation circuit and the third current transformation circuit are electrically connected with the control unit through a control circuit; the control unit electric connection voltage comparing unit, voltage comparing unit electric connection in energy storage filter capacitance C9 with the three-phase motor, voltage comparing unit is used for comparing battery output electromotive force and the reverse output electromotive force of three-phase motor. When the three-phase motor generates electricity, the states of the first converter circuit, the second converter circuit and the third converter circuit are changed, so that the storage battery is charged, and the energy efficiency is improved.
Description
Technical Field
The utility model relates to a converter field especially relates to an energy-conserving converter that can reverse charge.
Background
With the development of battery technology, the technology of electric vehicles using lithium batteries and motors as power sources is realized, and in the electric vehicles, the motors are controlled and driven by frequency conversion equipment.
In the running process of the electric automobile, the battery is not required to supply power to the storage battery in the whole process, and when the electric automobile brakes, decelerates or slides on a downhill, the kinetic energy of the automobile is converted into electric energy due to the electromagnetic induction effect, so that the motor has back electromotive force, and if the electric energy generated by the motor is not utilized, the electric energy is completely wasted, so that an energy-saving frequency converter capable of being charged in a reverse direction is required.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the utility model provides an energy-conserving converter that can charge in reverse.
The utility model provides a reversible energy-conserving converter that charges, a serial communication port, include: the storage battery is connected with a first converter circuit through a resistor R1 and an inductor L2, the first converter circuit is connected with a transformer, the transformer is electrically connected with a second converter circuit through an inductor L1, the second converter circuit is connected with an energy storage filter capacitor C9 and a third converter circuit in parallel, the third converter circuit is electrically connected with a three-phase motor, and the first converter circuit, the second converter circuit and the third converter circuit are electrically connected with the control unit through a control circuit;
the control unit electric connection voltage comparing unit, voltage comparing unit electric connection in energy storage filter capacitance C9 with the three-phase motor, voltage comparing unit is used for comparing battery output electromotive force and the reverse output electromotive force of three-phase motor.
Still further, the first current transforming circuit comprises: an IGBT switch Q5, an IGBT switch Q6 connected in series with the IGBT switch Q5; and the combination of (a) and (b),
an IGBT switch Q7, an IGBT switch Q8 connected in series with the IGBT switch Q7;
the entirety of IGBT switch Q5 and IGBT switch Q6 is connected in parallel with the entirety of IGBT switch Q7 and IGBT switch Q8, and the entirety of IGBT switch Q5 and IGBT switch Q6 is connected in parallel with the entirety of the series-connected battery, resistor R1, and inductor L2;
one end of the primary coil of the transformer is connected between the IGBT switch Q5 and the IGBT switch Q6, and the other end of the primary coil of the transformer is connected between the IGBT switch Q7 and the IGBT switch Q8.
Still further, the second current transforming circuit comprises: an IGBT switch Q1, an IGBT switch Q2 connected in series with the IGBT switch Q1; and the combination of (a) and (b),
an IGBT switch Q3, an IGBT switch Q4 connected in series with the IGBT switch Q3;
the entirety of IGBT switch Q1 and IGBT switch Q2 is connected in parallel with the entirety of IGBT switch Q3 and IGBT switch Q4;
one end of the secondary coil of the transformer is connected between the IGBT switch Q1 and the IGBT switch Q2, and the other end of the secondary coil of the transformer is connected between the IGBT switch Q3 and the IGBT switch Q4 through an inductor L1.
Still further, the third current transforming circuit comprises:
an IGBT switch Q9, an IGBT switch Q10 connected in series with the IGBT switch Q9; and the combination of (a) and (b),
an IGBT switch Q11, an IGBT switch Q12 connected in series with the IGBT switch Q11; and the combination of (a) and (b),
an IGBT switch Q13, an IGBT switch Q14 connected in series with the IGBT switch Q13;
the entirety of IGBT switch Q9 and IGBT switch Q10, the entirety of IGBT switch Q11 and IGBT switch Q12, and the entirety of IGBT switch Q13 and IGBT switch Q14 are connected in parallel.
Furthermore, the voltage comparing unit includes a comparator, one input terminal of the comparator is electrically connected to a first voltage dividing circuit, the first voltage dividing circuit is connected to the energy storage filter capacitor C9, another input terminal of the comparator is electrically connected to a second voltage dividing circuit, the second voltage dividing circuit is electrically connected to the three-phase motor, and an output terminal of the comparator is electrically connected to the control unit.
Furthermore, a current detection unit is electrically connected between the third converter circuit and the three-phase motor, the current detection unit is electrically connected with the control unit, the storage battery is electrically connected with a voltage detection unit, and the voltage detection unit is electrically connected with the control unit.
Furthermore, the storage battery is electrically connected with the voltage reduction and stabilization module, and the voltage reduction and stabilization module is electrically connected with the control unit, the control circuit and the voltage comparison unit.
Furthermore, the control unit is electrically connected with the communication module, and the communication module is electrically connected with the upper computer.
The embodiment of the utility model provides an above-mentioned technical scheme compares with prior art has following advantage:
the utility model discloses in, the control unit utilizes voltage comparison unit to detect battery output electromotive force and three-phase motor reverse output electromotive force, works as when three-phase motor's reverse output electromotive force is higher than the output electromotive force of battery, the control unit control third converter circuit rectification three-phase motor reverse output electromotive force becomes the direct current, the direct current that the control unit control second converter circuit contravariant third converter circuit provided becomes alternating current electricity, and the alternating current warp behind the transformer vary voltage by first converter circuit rectifies into the direct current and gives the battery charges. When the reverse output electromotive force of the three-phase motor is lower than the output electromotive force of the storage battery, the control unit controls the first converter circuit to invert the direct current of the storage battery into alternating current, the alternating current is rectified into direct current by the second converter circuit after being transformed by the transformer, and the third converter circuit inverts the direct current into the alternating current to control the three-phase motor to work. When the three-phase motor generates electricity while representing the external potential energy, the storage battery can be directly charged with the generated energy of the three-phase motor, and the overall energy efficiency of the system is improved through electric energy recovery.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic diagram of the energy-saving inverter capable of charging reversibly according to the present invention;
fig. 2 is a schematic diagram of a first converter circuit, a second converter circuit and a third converter circuit of the energy-saving converter with reversible charging according to the present invention;
fig. 3 is a schematic diagram of a voltage comparison unit of the energy-saving inverter capable of being charged in a reversible manner;
fig. 4 is a schematic diagram of the storage battery and the voltage reduction and stabilization module of the energy-saving inverter capable of being charged reversely;
fig. 5 is a schematic diagram of the control unit, the communication module and the upper computer of the energy-saving frequency converter capable of being charged reversely.
The reference numbers and meanings in the figures are as follows: 1. the device comprises a storage battery, 2, a first converter circuit, 3, a transformer, 4, a second converter circuit, 5, a third converter circuit, 6, a control unit, 7, a voltage comparison unit, 8, a current detection unit, 9 and a voltage detection unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Referring to fig. 1, an embodiment of the present invention provides a reversible charging energy-saving frequency converter, including: the storage battery 1, wherein the storage battery 1 is connected to a first current transformer circuit 2 through a resistor R1 and an inductor L2, the first current transformer circuit 2 is connected to a transformer 3, the transformer 3 is electrically connected to a second current transformer circuit 4 through an inductor L1, the second current transformer circuit 4 is connected in parallel to an energy storage filter capacitor C9 and a third current transformer circuit 5, the third current transformer circuit 5 is electrically connected to a three-phase motor, and the first current transformer circuit 2, the second current transformer circuit 4 and the third current transformer circuit 5 are electrically connected to the control unit 6 through a control circuit.
In the implementation, as shown in fig. 2:
the first converter circuit 2 comprises: an IGBT switch Q5, an IGBT switch Q6 connected in series with the IGBT switch Q5; and the combination of (a) and (b),
an IGBT switch Q7, an IGBT switch Q8 connected in series with the IGBT switch Q7;
the entirety of IGBT switch Q5 and IGBT switch Q6 is connected in parallel with the entirety of IGBT switch Q7 and IGBT switch Q8, and the entirety of IGBT switch Q5 and IGBT switch Q6 is connected in parallel with the entirety of the series-connected battery, resistor R1, and inductor L2;
one end of the primary coil of the transformer 3 is connected between the IGBT switch Q5 and the IGBT switch Q6, and the other end of the primary coil of the transformer 3 is connected between the IGBT switch Q7 and the IGBT switch Q8.
The second converter circuit 4 comprises: an IGBT switch Q1, an IGBT switch Q2 connected in series with the IGBT switch Q1; and the combination of (a) and (b),
an IGBT switch Q3, an IGBT switch Q4 connected in series with the IGBT switch Q3;
the entirety of IGBT switch Q1 and IGBT switch Q2 is connected in parallel with the entirety of IGBT switch Q3 and IGBT switch Q4;
one end of the secondary coil of the transformer 3 is connected between the IGBT switch Q1 and the IGBT switch Q2, the other end of the secondary coil of the transformer 3 is connected between the IGBT switch Q3 and the IGBT switch Q4 through an inductor L1, and the whole of the IGBT switch Q1 and the IGBT switch Q2 is connected in parallel with the energy storage filter capacitor C9.
The third converter circuit comprises:
an IGBT switch Q9, an IGBT switch Q10 connected in series with the IGBT switch Q9; and (c) and (d),
an IGBT switch Q11, an IGBT switch Q12 connected in series with the IGBT switch Q11; and the combination of (a) and (b),
an IGBT switch Q13, an IGBT switch Q14 connected in series with the IGBT switch Q13;
the entirety of IGBT switch Q9 and IGBT switch Q10, the entirety of IGBT switch Q11 and IGBT switch Q12, and the entirety of IGBT switch Q13 and IGBT switch Q14 are connected in parallel. The three-phase control end of the three-phase motor is respectively connected between an IGBT switch Q9 and an IGBT switch Q10, and between a first-stage IGBT switch Q13 and an IGBT switch Q14 between an IGBT switch Q11 and an IGBT switch Q12.
The control unit 6 electric connection voltage comparing unit 7, voltage comparing unit 7 electric connection in energy storage filter capacitor C9 with the three-phase motor, voltage comparing unit 7 is used for comparing battery output electromotive force and the reverse output electromotive force of three-phase motor. When the reverse output electromotive force of the three-phase motor is higher than the output electromotive force of the storage battery, the control unit 6 controls the third converter circuit 5 to rectify the reverse output electromotive force of the three-phase motor into direct current, the control unit 6 controls the second converter circuit 4 to invert the direct current provided by the third converter circuit 5 into alternating current, and the alternating current is transformed by the transformer 3 and then rectified into direct current by the first converter circuit 2 to charge the storage battery 1. When the reverse output electromotive force of the three-phase motor is lower than the output electromotive force of the storage battery, the control unit controls the first converter circuit 2 to invert the direct current of the storage battery 1 into alternating current, the alternating current is rectified into direct current by the second converter circuit 4 after being transformed by the transformer 3, and the third converter circuit 5 inverts the direct current into alternating current to control the three-phase motor to work.
In a specific implementation process, referring to fig. 3, the voltage comparing unit 7 includes a comparator, one input end of the comparator is electrically connected to a first voltage dividing circuit, the first voltage dividing circuit is connected to the energy storage filter capacitor C9, another input end of the comparator is electrically connected to a second voltage dividing circuit, the second voltage dividing circuit is electrically connected to the three-phase motor, and an output end of the comparator is electrically connected to the control unit 6.
In a specific implementation process, the third converter circuit 5 and the three-phase motor are electrically connected to a current detection unit 8, the current detection unit 8 is electrically connected to the control unit 6, the control unit 6 detects current through the current detection unit 8, performs overcurrent protection according to the current, and controls the third converter circuit 5 to rectify the current according to the current. The storage battery 1 is electrically connected with a voltage detection unit 9, the voltage detection unit 9 is electrically connected with the control unit 6, and the control unit 6 obtains the state of the storage battery 1 according to the voltage measured by the voltage detection unit 9.
In a specific implementation process, referring to fig. 4, the storage battery 1 is electrically connected to a voltage reduction and stabilization module, the voltage reduction and stabilization module is electrically connected to the control unit 6, the control circuit and voltage comparison unit 7, and the current detection unit 8, and the voltage reduction and stabilization module provides a dc power supply required by the operation of the control unit 6, the control circuit and voltage comparison unit 7, and the current detection unit 8. Referring to fig. 5, the control unit 6 is electrically connected to a communication module, and the communication module is electrically connected to an upper computer. Specifically, one feasible communication module is an RS485 communication module.
In the embodiments provided in the present disclosure, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A reversibly chargeable energy-saving frequency converter, comprising: the storage battery (1), wherein the storage battery (1) is connected with a first current transformation circuit (2) through a resistor R1 and an inductor L2, the first current transformation circuit (2) is connected with a transformer (3), the transformer (3) is electrically connected with a second current transformation circuit (4) through an inductor L1, the second current transformation circuit (4) is connected with an energy storage filter capacitor C9 and a third current transformation circuit (5) in parallel, the third current transformation circuit (5) is electrically connected with a three-phase motor, and the first current transformation circuit (2), the second current transformation circuit (4) and the third current transformation circuit (5) are electrically connected with a control unit (6) through a control circuit;
the control unit (6) electric connection voltage comparing unit (7), voltage comparing unit (7) electric connection in energy storage filter capacitor C9 with the three-phase motor, voltage comparing unit (7) are used for comparing battery output electromotive force and the reverse output electromotive force of three-phase motor.
2. A reversibly chargeable energy-saving frequency converter according to claim 1, characterized in that said first converter circuit (2) comprises: an IGBT switch Q5, an IGBT switch Q6 connected in series with the IGBT switch Q5; and the combination of (a) and (b),
an IGBT switch Q7, an IGBT switch Q8 connected in series with the IGBT switch Q7;
the entirety of IGBT switch Q5 and IGBT switch Q6 is connected in parallel with the entirety of IGBT switch Q7 and IGBT switch Q8, and the entirety of IGBT switch Q5 and IGBT switch Q6 is connected in parallel with the entirety of the series-connected battery, resistor R1, and inductor L2;
one end of the primary coil of the transformer (3) is connected between the IGBT switch Q5 and the IGBT switch Q6, and the other end of the primary coil of the transformer (3) is connected between the IGBT switch Q7 and the IGBT switch Q8.
3. A reversibly chargeable energy-saving frequency converter according to claim 2, characterized in that said second converter circuit (4) comprises: an IGBT switch Q1, an IGBT switch Q2 connected in series with the IGBT switch Q1; and (c) and (d),
an IGBT switch Q3, an IGBT switch Q4 connected in series with the IGBT switch Q3;
the whole of IGBT switch Q1 and IGBT switch Q2 are connected in parallel with the whole of IGBT switch Q3 and IGBT switch Q4;
one end of the secondary coil of the transformer (3) is connected between the IGBT switch Q1 and the IGBT switch Q2, and the other end of the secondary coil of the transformer (3) is connected between the IGBT switch Q3 and the IGBT switch Q4 through an inductor L1.
4. The reversibly chargeable, energy-saving frequency converter according to claim 1, wherein said third current transforming circuit comprises:
an IGBT switch Q9, an IGBT switch Q10 connected in series with the IGBT switch Q9; and the combination of (a) and (b),
an IGBT switch Q11, an IGBT switch Q12 connected in series with the IGBT switch Q11; and the combination of (a) and (b),
an IGBT switch Q13, an IGBT switch Q14 connected in series with the IGBT switch Q13;
the entirety of IGBT switch Q9 and IGBT switch Q10, the entirety of IGBT switch Q11 and IGBT switch Q12, and the entirety of IGBT switch Q13 and IGBT switch Q14 are connected in parallel.
5. The energy-saving inverter capable of being charged reversely according to claim 1, wherein the voltage comparison unit (7) comprises a comparator, one input terminal of the comparator is electrically connected to a first voltage-dividing circuit, the first voltage-dividing circuit is connected to the energy-storing filter capacitor C9, the other input terminal of the comparator is electrically connected to a second voltage-dividing circuit, the second voltage-dividing circuit is electrically connected to the three-phase motor, and the output terminal of the comparator is electrically connected to the control unit (6).
6. The energy-saving inverter capable of being charged reversely according to claim 1, wherein a current detection unit (8) is electrically connected between the third inverter circuit (5) and the three-phase motor, the current detection unit (8) is electrically connected with the control unit (6), the storage battery (1) is electrically connected with a voltage detection unit (9), and the voltage detection unit (9) is electrically connected with the control unit (6).
7. The energy-saving inverter capable of being charged reversely according to claim 1, wherein the storage battery (1) is electrically connected with a voltage reduction and stabilization module, and the voltage reduction and stabilization module is electrically connected with the control unit (6), the control circuit and the voltage comparison unit (7).
8. The energy-saving inverter capable of being charged reversely according to claim 1, wherein the control unit (6) is electrically connected with a communication module, and the communication module is electrically connected with an upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220539888.6U CN217182999U (en) | 2022-03-11 | 2022-03-11 | Energy-saving frequency converter capable of being charged reversely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220539888.6U CN217182999U (en) | 2022-03-11 | 2022-03-11 | Energy-saving frequency converter capable of being charged reversely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217182999U true CN217182999U (en) | 2022-08-12 |
Family
ID=82744508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220539888.6U Active CN217182999U (en) | 2022-03-11 | 2022-03-11 | Energy-saving frequency converter capable of being charged reversely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217182999U (en) |
-
2022
- 2022-03-11 CN CN202220539888.6U patent/CN217182999U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3902087A1 (en) | Charging method for power battery, motor control circuit and vehicle | |
| CN103872728A (en) | Multifunctional integral electric automobile vehicle-mounted charging machine | |
| CN203774850U (en) | Multifunctional integrated electric vehicle-mounted charger with mode switch function | |
| CN102111008A (en) | High-voltage battery charging system architecture of electric automobile | |
| CN102118051B (en) | Inductor electric energy recycling device for alternating-current motor electrocar | |
| US20180170193A1 (en) | Multi-functional on-vehicle power converter and electric vehicle comprising the same | |
| CN103138355A (en) | Charge-discharge control system | |
| CN112421944B (en) | Power converter compatible with single-phase alternating current and three-phase alternating current and control method thereof | |
| CN205141780U (en) | Integrated charger of on -vehicle intelligence of electric automobile | |
| US20240146096A1 (en) | Charging apparatus, charging pile, and charging system | |
| Tomar et al. | An efficient bi-directional DC/DC charger for electric vehicle battery charging | |
| CN217182999U (en) | Energy-saving frequency converter capable of being charged reversely | |
| CN210212079U (en) | Vehicle-mounted charging system and vehicle-mounted charger | |
| CN105515210A (en) | Non-contact charging pile, on-board charging device, and charging system | |
| CN203840038U (en) | Multifunctional integrated vehicle charger based on full-controlled devices | |
| CN208401607U (en) | Electric car charging and driving integrated system based on the double converters of SiC three-phase | |
| CN216216103U (en) | Wireless energy storage device and wireless electrical equipment | |
| CN211655781U (en) | Charger conversion circuit | |
| CN212637180U (en) | Double-winding driving-isolating variable-voltage charging integrated device | |
| CN113748043B (en) | Charger, slow starting method, electric automobile and charging system | |
| CN111969684B (en) | Electric vehicle charging circuit and electric vehicle | |
| EP4027477B1 (en) | On-board charging and discharging apparatus, charging and discharging system thereof, and new energy vehicle | |
| CN112078377A (en) | Double-winding driving-isolating variable-voltage charging integrated device | |
| CN114337334A (en) | Converter and vehicle-mounted charger | |
| Salari et al. | A new multiple input bidirectional HEV battery charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |