CN113489396A - Multi-channel multi-voltage-level output switch reluctance power generation system and control method - Google Patents
Multi-channel multi-voltage-level output switch reluctance power generation system and control method Download PDFInfo
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- CN113489396A CN113489396A CN202110638568.6A CN202110638568A CN113489396A CN 113489396 A CN113489396 A CN 113489396A CN 202110638568 A CN202110638568 A CN 202110638568A CN 113489396 A CN113489396 A CN 113489396A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
- H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
- H02P9/305—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices controlling voltage
- H02P9/307—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices controlling voltage more than one voltage output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/30—Special adaptation of control arrangements for generators for aircraft
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- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention belongs to the technical field of aviation power supplies and discloses a multi-channel multi-voltage-level output switched reluctance generator and a control method thereof, wherein the multi-channel multi-voltage-level output switched reluctance generator comprises a multi-channel switched reluctance motor and a multi-channel switched reluctance motor controller; the output voltage of each channel of the switched reluctance generator system can be independently regulated through a voltage closed loop, and the voltages among the channels are mutually combined to form multi-voltage-level output. The phase winding of the switched reluctance generator is connected between the two switching tubes in series, the bridge arm has no direct connection danger, the reliability is high, and the requirements of loads with different voltage grades on the output voltage of the generating system on the airplane are met. In the invention, the channels are electrically independent, the output voltage and the output power in the two channels can be independently regulated, and when the two channels are the same in voltage, one channel can be a hot backup of the other channel; the multi-voltage outputs of the two channels can respectively carry different loads and can be independently adjusted.
Description
Technical Field
The invention belongs to the technical field of aviation power supplies, and particularly relates to a multi-channel multi-voltage-level output switch reluctance power generation system and a control method.
Background
At present, with the increase of the power supply capacity of an airplane, the power supply voltage level of the airplane is continuously improved, but the electric equipment in the airplane cannot be completely replaced by high-voltage-level equipment, so that the phenomenon of coexistence of multiple voltage levels can occur in the updating and updating process of an airplane power supply system. The high-voltage direct-current main power generation system of the existing airplane can only output one voltage, and in order to meet the power consumption requirements of equipment with different voltage grades, the airplane needs to be provided with power generation systems with different voltage grades, so that the size and the weight of the airplane power supply system are increased, the complexity of the airplane power supply system is increased, and the reliability is reduced.
Through the above analysis, the problems and defects of the prior art are as follows:
the high-voltage direct-current main power generation system of the existing airplane can only output one voltage, and in order to solve the power consumption requirements of equipment with different voltage grades, the airplane needs to be provided with power generation systems with different voltage grades, so that the size and the weight of the airplane power supply system are increased, the complexity of the airplane power supply system is increased, and the reliability is reduced;
power generation systems with different voltage levels are incompatible and cannot realize effective hot backup;
the power generation systems of different voltage levels are independent of each other, resulting in increased volume and weight of the power transmission cable.
The difficulty in solving the above problems and defects is:
the existing aircraft power generation system does not have the capacity of solving the power consumption requirement of equipment with multiple voltage levels by adopting a single power generation unit, and the power consumption requirement of the equipment with different voltage levels can be met only by adding power generation systems with different voltage levels or adding a buck-boost power conversion device.
The significance of solving the problems and the defects is as follows:
the scheme provided by the invention only has one power generation system, different power supply voltage grades can be obtained through the series connection of the channels so as to meet the power consumption requirement of airborne equipment, and the advantages are as follows:
the power supply system is simple enough, small in size, light in weight, high in power density and high in system reliability;
the multiple voltage classes are obtained by connecting multiple channels in series, and partial transmission cables can be shared among the channels, for example, a two-channel two-voltage class system only has three transmission cables; three channels and three voltage classes have only four transmission cables. The volume and the weight of the power transmission part are effectively reduced;
the channels are compatible with each other, and the channels can be mutually used as a hot backup power generation system.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a multi-channel multi-voltage-level output switch reluctance power generation system and a control method. The switched reluctance generator in the switched reluctance generator system with multi-voltage-level output is in a multi-channel form, the output voltage of each channel can be independently controlled by utilizing the characteristic of electrical isolation among the channels of the switched reluctance generator, the voltages output by different channels are combined, and the voltage output of different levels can be obtained on the premise of adopting one power generation system, so that the requirement of an airplane on multi-voltage levels is met.
The invention is realized in this way, a multi-channel multi-voltage level output switch reluctance power generation system, comprising: a multi-channel switched reluctance motor and a multi-channel switched reluctance motor controller;
each channel of the multi-channel switch reluctance motor outputs an independently adjustable voltage, and the voltages between the channels are mutually combined to form multiple voltage levels which are controlled and output by a multi-channel switch reluctance motor controller.
12/8 double-channel motor is just an example, other multi-channel systems can realize multi-voltage level power generation systems), furthermore, the 12/8 double-channel switch reluctance generator is provided with an A-phase winding, a B-phase winding and a C-phase winding;
the A-phase winding comprises four windings A1, A2, A3 and A4, one channel of the A-phase winding formed by the winding A1 and the winding A3 is marked as PhA1, and the other channel of the A-phase winding formed by the winding A2 and the winding A4 is marked as PhA 2;
the B-phase winding and the C-phase winding have the same grouping mode as the A-phase winding and are respectively marked as PhB1, PhB2, PhC1 and PhC 2.
Further, one channel of the dual-channel switched reluctance motor formed by the PhA1, the PhB1 and the PhC1 is marked as a unit 1.
Further, the other channel of the two-channel switched reluctance motor formed by the PhA2, the PhB2 and the PhC2 is marked as a unit 2.
Another object of the present invention is to provide a start control method including:
when the double-channel switched reluctance motor is started, the input currents of two channels of the double-channel switched reluctance motor can be respectively and independently controlled;
when generating electricity, the channels of the multi-channel switch reluctance motor are connected in series to obtain other output voltage grades.
Another object of the present invention is to provide a multi-channel switched reluctance motor controller, wherein the multi-channel switched reluctance motor controller executes the multi-channel multi-voltage level output switched reluctance generator control method.
It is another object of the present invention to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform:
when the double-channel switched reluctance motor is started, the input current and the output voltage of two channels of the double-channel switched reluctance motor are respectively and independently controlled;
during power generation, two channels of the double-channel switched reluctance motor are connected in series to obtain a third output voltage level.
Another object of the present invention is to provide a power supply apparatus mounted on an aircraft, the power supply apparatus being the multi-channel multi-voltage level output switched reluctance generator.
By combining all the technical schemes, the invention has the advantages and positive effects that:
the power supply system is simple enough, small in size, light in weight, high in power density and high in system reliability;
the multiple voltage classes are obtained by connecting multiple channels in series, and partial transmission cables can be shared among the channels, for example, a two-channel two-voltage class system only has three transmission cables; three channels and three voltage classes have only four transmission cables. The volume and the weight of the power transmission part are effectively reduced;
the channels are compatible with each other, and the channels can be mutually used as a hot backup power generation system.
The phase winding of the switched reluctance generator is connected between the two switching tubes in series, a bridge arm has no direct connection danger, the reliability is high, the requirements of loads with different voltage levels on the output voltage of the generating system on the airplane are met, for example, when the loads with the voltage of 270VDC and 540VDC coexist, the scheme can be met by only one generating system, and the number of airborne generating equipment is reduced; in the invention, the channels are electrically independent, the output voltages in the two channels can be independently regulated, and when the voltages of the two channels are the same, one channel can be a hot backup of the other channel; the multi-voltage outputs of the two channels can respectively carry different loads and can be independently adjusted.
Drawings
Fig. 1 is a schematic structural diagram of a multi-channel multi-voltage-level output switched reluctance power generation system according to an embodiment of the present invention.
Fig. 2 is a structural schematic diagram of 12/8 switched reluctance motor according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a two-channel multi-voltage level output circuit according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a dual-channel three-voltage-level output voltage simulation provided by an embodiment of the invention.
Fig. 5 is a simulation diagram of different output powers at three voltage levels according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides a multi-channel multi-voltage-level output switch reluctance power generation system and a control method thereof, which are described in detail below with reference to the accompanying drawings.
Those skilled in the art of the multi-channel multi-voltage level output switch reluctance generator provided by the present invention can also implement other steps, and the multi-channel multi-voltage level output switch reluctance generator provided by the present invention of fig. 1 is only one specific embodiment.
As shown in fig. 1, the multi-channel multi-voltage level output switched reluctance power generation system provided by the embodiment of the invention includes a multi-channel switched reluctance motor and a multi-channel switched reluctance motor controller;
each channel of the multi-channel switch reluctance motor outputs an independently adjustable voltage, and the voltages between the channels are mutually combined to form multiple voltage levels which are controlled and output by a multi-channel switch reluctance motor controller.
The technical solution of the present invention is further described with reference to the following specific examples.
As shown in fig. 2, the switched reluctance power generation system with multiple voltage level outputs is described by taking an 12/8 dual-channel switched reluctance motor as an example:
the A-phase winding comprises four windings A1, A2, A3 and A4, one channel of the A-phase winding formed by the winding A1 and the winding A3 is marked as PhA1, and the other channel of the A-phase winding formed by the winding A2 and the winding A4 is marked as PhA 2.
The B-phase winding and the C-phase winding have the same grouping mode as the A-phase winding and are respectively marked as PhB1, PhB2, PhC1 and PhC 2.
One channel of the dual-channel switched reluctance motor formed by PhA1, PhB1 and PhC1 is marked as a unit 1, and the other channel of the dual-channel switched reluctance motor formed by PhA2, PhB2 and PhC2 is marked as a unit 2;
the working principle of the invention is as follows: when starting, the input currents of the two units are respectively and independently controlled, and the output voltages of the two units are respectively and independently controlled when generating electricity; and when power is generated, the two units are connected in series to obtain a third output voltage level.
Fig. 4 is a 12/8 simulation result of two-channel three-voltage output, where the two-channel output voltages are different (or the same), and can be independently adjusted, and the two-channel voltages can be connected in series to obtain a third output voltage, so that the system can operate stably.
Fig. 5 shows the simulation result of one 12/8 two-channel power output, where the two-channel power output is different (or the same), and the output power of each channel is adjusted according to the load condition, so that the system can operate stably.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A multi-channel multi-voltage level output switched reluctance power generation system, comprising: a multi-channel switched reluctance motor and a multi-channel switched reluctance motor controller;
each channel of the multi-channel switch reluctance motor outputs an independently adjustable voltage, the voltages between the channels are mutually combined to form multiple voltage levels, and the output is controlled by a multi-channel switch reluctance motor controller.
2. The multi-channel, multi-voltage level output switched reluctance power generation system of claim 1 wherein the multi-channel switched reluctance motor is any multi-channel switched reluctance motor.
3. The multi-channel multi-voltage level output switched reluctance generator system of claim 2, wherein the 12/8 dual-channel switched reluctance generator is provided with a-phase winding and B-phase and C-phase windings;
the A-phase winding comprises four windings A1, A2, A3 and A4, one channel of the A-phase winding formed by the winding A1 and the winding A3 is marked as PhA1, and the other channel of the A-phase winding formed by the winding A2 and the winding A4 is marked as PhA 2;
the B-phase winding and the C-phase winding have the same grouping mode as the A-phase winding and are respectively marked as PhB1, PhB2, PhC1 and PhC 2.
4. The multi-channel multi-voltage level output switch reluctance power generation system of claim 3, wherein one channel of the two-channel switch reluctance motor consisting of the PhA1, the PhB1 and the PhC1 is marked as a unit 1.
5. The multi-channel multi-voltage level output switch reluctance power generation system of claim 3, wherein the other channel of the two-channel switch reluctance motor formed by the PhA2, the PhB2 and the PhC2 is marked as a unit 2.
6. A starting control method of a multi-channel multi-voltage level output switch reluctance generator as claimed in any one of claims 1 to 5, wherein the starting control method comprises:
when the double-channel switched reluctance motor is started, the input currents of two channels of the double-channel switched reluctance motor can be respectively and independently controlled;
when generating electricity, the channels of the multi-channel switch reluctance motor are connected in series to obtain other output voltage grades.
7. A multi-channel switched reluctance motor controller characterized in that it performs the start-up control method of claim 6.
8. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform:
when the double-channel switched reluctance motor is started, the input currents of two channels of the double-channel switched reluctance motor can be respectively and independently controlled;
when generating electricity, the channels of the multi-channel switch reluctance motor are connected in series to obtain other output voltage grades.
9. A power supply device, which is mounted on an aircraft, wherein the power supply device is the multi-channel multi-voltage level output switch reluctance power generation system according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110638568.6A CN113489396B (en) | 2021-06-08 | 2021-06-08 | Power generation system, control method, motor controller, storage medium, and power supply device |
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| CN202110638568.6A CN113489396B (en) | 2021-06-08 | 2021-06-08 | Power generation system, control method, motor controller, storage medium, and power supply device |
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| CN113489396B CN113489396B (en) | 2023-05-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497038A (en) * | 2011-11-28 | 2012-06-13 | 中国人民解放军徐州空军学院 | Multi-winding double-salient-pole generator and output transformation and control device |
| CN203562987U (en) * | 2013-11-21 | 2014-04-23 | 东南大学 | Novel multi-channel parallel inverter feed motor speed regulation system |
| US20180056793A1 (en) * | 2016-08-29 | 2018-03-01 | Hamilton Sundstrand Corporation | Power generating systems having synchronous generator multiplex windings and multilevel inverters |
| CN109639214A (en) * | 2018-12-31 | 2019-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of polyphase machine is fault-tolerant to cut through transient process control method online |
| CN110971171A (en) * | 2019-12-20 | 2020-04-07 | 华中科技大学 | Multi-winding parallel switch reluctance motor driving system |
-
2021
- 2021-06-08 CN CN202110638568.6A patent/CN113489396B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497038A (en) * | 2011-11-28 | 2012-06-13 | 中国人民解放军徐州空军学院 | Multi-winding double-salient-pole generator and output transformation and control device |
| CN203562987U (en) * | 2013-11-21 | 2014-04-23 | 东南大学 | Novel multi-channel parallel inverter feed motor speed regulation system |
| US20180056793A1 (en) * | 2016-08-29 | 2018-03-01 | Hamilton Sundstrand Corporation | Power generating systems having synchronous generator multiplex windings and multilevel inverters |
| CN109639214A (en) * | 2018-12-31 | 2019-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of polyphase machine is fault-tolerant to cut through transient process control method online |
| CN110971171A (en) * | 2019-12-20 | 2020-04-07 | 华中科技大学 | Multi-winding parallel switch reluctance motor driving system |
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Inventor after: Wang Shuanghong Inventor after: Cui Xiupeng Inventor after: Li Longchun Inventor before: Wang Shuanghong Inventor before: Cui Xiupeng |
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