CN104393792A - Low-voltage starting/power generation machine winding and transformation method - Google Patents
Low-voltage starting/power generation machine winding and transformation method Download PDFInfo
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- CN104393792A CN104393792A CN201410655238.8A CN201410655238A CN104393792A CN 104393792 A CN104393792 A CN 104393792A CN 201410655238 A CN201410655238 A CN 201410655238A CN 104393792 A CN104393792 A CN 104393792A
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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
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- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a low-voltage starting/power generation machine winding and transformation method. The winding comprises six independent winding bodies and five switching elements. The tail end of the first winding body is connected with the tail end of the second winding body through the first switching element, the tail end of the second winding body is connected with the tail end of the third winding body through the second switching element, the tail end of the first winding body is connected with the head end of the fourth winding body through the third switching element, the tail end of the second winding body is connected with the head end of the fifth winding body through the fourth switching element, and the tail end of the third winding body is connected with the head end of the fourth winding body through the fifth switching element. According to the winding and the transformation method, the high counter electromotive force of a main armature winding during starting is changed into the low counter electromotive force during power generation through the switching elements, and accordingly, the problem of requirements for counter electromotive forces of the two different phases of starting and power generation of the motor is solved successively, the motor counter electromotive forces is improved during starting, and accordingly, the motor starting current is reduced, and the airplane cable total weight can be reduced effectively.
Description
Technical field
The present invention relates to aviation starting/generator technical field, be specially a kind of winding and transform method of low-pressure starting/generator.
Background technology
Realizing starting/generate electricity difunctional is an important development direction of present generation aircraft power-supply system, its basic thought makes the generator in airborne power supply system double as motor, start aero-engine, until engine oil spout igniting work voluntarily after, drive generator to enter power generation operation state again, thus save the starting system of engine, simplify the accessory drive gearbox of engine, reduce weight, volume, improve the overall performance of reliability and aircraft.
In the starting aero-engine stage, require that motor has higher back-emf, and in power generation operation state, require that motor has lower back-emf.And the low-pressure starting of current aviation field/generator employing is 28V across-the-line starting brush motor, starting current is large, can not meet aforementioned claim.
Summary of the invention
The present invention is the winding scheme that secondary-line-aircraft, business airplane, helicopter etc. with low pressure 28V power supply provides a kind of brushless low-pressure starting/generator.Winding start-up period by the enforcement of this patent with higher back-emf is transformed to the winding that power generating stage has lower back-emf, thus can alleviate Aircraft Cables total amount.
Technical scheme of the present invention is:
The winding of described a kind of low-pressure starting/generator, it is characterized in that: be made up of 6 separate windings and 5 switching devices, wherein the first winding ends is connected by the first switching device with the second winding ends, second winding ends is connected by second switch device with tertiary winding end, first winding ends is connected by the 3rd switching device with the 4th winding head end, second winding ends is connected by the 4th switching device with the 5th winding head end, and tertiary winding end is connected by the 5th switching device with the 6th winding head end.
Further preferred version, the winding of described a kind of low-pressure starting/generator, is characterized in that: switching device adopts IGBT power device or contactor.
The transform method of the winding of described a kind of low-pressure starting/generator, it is characterized in that: in the starting aero-engine stage, peripheral control unit controls the first switching device and second switch device disconnects, 3rd switching device, the 4th switching device and the 5th switching device are connected, and the first winding to the 6th winding forms the simplex winding that a set of Y connects; When peripheral control unit be checked through motor speed reach Aero-Engine Start success rotating speed after, peripheral control unit controls the first switching device and second switch device is connected, 3rd switching device, the 4th switching device and the 5th switching device disconnect, first winding to the tertiary winding forms the simplex winding that a set of Y connects, 4th winding to the 6th winding forms the simplex winding that another set of Y connects, and has 30 ° of space quadratures between the simplex winding of two cover Y connections.
Beneficial effect
The present invention utilizes switching device that main armature winding of sending out is had relatively high back-emf and is transformed into and has lower back-emf when generating electricity when starting, and successfully solves motor in starting and generating two different phases to the requirement of back-emf.Improved the back-emf of motor by start-up period, thus reach the object reducing motor starting currents, can effectively alleviate Aircraft Cables total weight by the method.
Accompanying drawing explanation
Fig. 1: motor winding schematic diagram;
Fig. 2: a set of Y type winding connection during starting;
Fig. 3: the Y type winding connection that two covers during generating are separate.
Embodiment
Below in conjunction with specific embodiment, the present invention is described:
The present embodiment provides a kind of low pressure started with no brush/generator at the connection scheme of start-up period and power generating stage armature winding, mainly requiring that motor has relatively high back-emf for solving low-pressure starting/generator at start-up period, requiring that motor has this problem of lower back-emf at power generating stage.
As shown in Figure 1, the winding of this low-pressure starting/generator is made up of 6 separate windings and 5 switching devices, and wherein switching device adopts IGBT power device or contactor.First winding A1A1 ' end is connected by the first switching element T 1 with the second winding ends B1B1 ', second winding B1B1 ' end is connected by second switch device T2 with tertiary winding C1C1 ' end, first winding A1A1 ' end is connected by the 3rd switching element T 3 with the 4th winding A2A2 ' head end, second winding B1B1 ' end is connected by the 4th switching element T 4 with the 5th winding B2B2 ' head end, and tertiary winding C1C1 ' end is connected by the 5th switching element T 5 with the 6th winding C2C2 ' head end.
In the starting aero-engine stage, peripheral control unit controls the first switching element T 1 and second switch device T2 disconnects, 3rd switching element T 3, the 4th switching element T 4 and the 5th switching element T 5 are connected, by the simplex winding that the first winding becomes a set of Y to connect to the 6th winding switching, as shown in Figure 2, this cover winding has relatively high back-emf.After peripheral control unit detects that this six covers winding completes a set of Y type winding switching, send starting order by controller, realize electric motor starting and control.
When peripheral control unit be checked through motor speed reach Aero-Engine Start success rotating speed after, peripheral control unit controls the first switching element T 1 and second switch device T2 connects, 3rd switching element T 3, 4th switching element T 4 and the 5th switching element T 5 disconnect, first winding to the tertiary winding forms the simplex winding that a set of Y connects, 4th winding to the 6th winding forms the simplex winding that another set of Y connects, and between the simplex winding of two cover Y connections, there are 30 ° of space quadratures, as shown in Figure 3, the electricity that motor can be made like this to send after over commutation for aircraft electrical network provides the direct current with less ripple.Now motor proceeds to power generating stage, and by engine for motor provides mechanical energy, by motor, mechanical energy being converted to electric energy is aircraft mains supply.
The present invention realizes low pressure started with no brush generator main by IGBT device for power switching or contactor to send out the winding conversion of armature winding at start-up period and power generating stage, a set of Y type master that start-up period can be had a relatively high back-emf by this conversion sends out armature winding and is transformed to the Y type master that power generating stage has two covers separate and sends out armature winding, and there are between this double winding 30 ° of space quadratures, effectively can reduce main generator armature winding by this change to be often in series the number of turn, thus reach the object reducing main generator armature back-emf.
Claims (3)
1. the winding of low-pressure starting/generator, it is characterized in that: be made up of 6 separate windings and 5 switching devices, wherein the first winding ends is connected by the first switching device with the second winding ends, second winding ends is connected by second switch device with tertiary winding end, first winding ends is connected by the 3rd switching device with the 4th winding head end, second winding ends is connected by the 4th switching device with the 5th winding head end, and tertiary winding end is connected by the 5th switching device with the 6th winding head end.
2. the winding of a kind of low-pressure starting/generator according to claim 1, is characterized in that: switching device adopts IGBT power device or contactor.
3. the transform method of low-pressure starting/generator windings described in a claim 1 or 2, it is characterized in that: in the starting aero-engine stage, peripheral control unit controls the first switching device and second switch device disconnects, 3rd switching device, the 4th switching device and the 5th switching device are connected, and the first winding to the 6th winding forms the simplex winding that a set of Y connects; When peripheral control unit be checked through motor speed reach Aero-Engine Start success rotating speed after, peripheral control unit controls the first switching device and second switch device is connected, 3rd switching device, the 4th switching device and the 5th switching device disconnect, first winding to the tertiary winding forms the simplex winding that a set of Y connects, 4th winding to the 6th winding forms the simplex winding that another set of Y connects, and has 30 ° of space quadratures between the simplex winding of two cover Y connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655238.8A CN104393792A (en) | 2014-11-17 | 2014-11-17 | Low-voltage starting/power generation machine winding and transformation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655238.8A CN104393792A (en) | 2014-11-17 | 2014-11-17 | Low-voltage starting/power generation machine winding and transformation method |
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| CN104393792A true CN104393792A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410655238.8A Pending CN104393792A (en) | 2014-11-17 | 2014-11-17 | Low-voltage starting/power generation machine winding and transformation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767466A (en) * | 2015-04-21 | 2015-07-08 | 山东理工大学 | Starting power generation system capable of achieving automatic winding switching |
| CN109507491A (en) * | 2018-10-19 | 2019-03-22 | 陕西航空电气有限责任公司 | Three-phase inverter voltage phase sequence detection circuit, device and method |
| CN110259687A (en) * | 2019-07-15 | 2019-09-20 | 珠海格力节能环保制冷技术研究中心有限公司 | The control method and air-conditioner set of compressor and compressor |
| CN112421839A (en) * | 2020-11-27 | 2021-02-26 | 陕西航空电气有限责任公司 | Winding structure of brushless direct-current starting generator |
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| JPS5932372A (en) * | 1982-08-16 | 1984-02-21 | Mitsubishi Electric Corp | Closed type motor compressor |
| JPH06141575A (en) * | 1992-10-20 | 1994-05-20 | Matsushita Electric Ind Co Ltd | Floppy disc unit |
| CN2724292Y (en) * | 2004-08-30 | 2005-09-07 | 崔长利 | Low start current three phase asynchronous motor |
| CN101834551A (en) * | 2010-05-27 | 2010-09-15 | 徐东旭 | Dual-purpose energy-saving motor for limiting starting current by changing winding connection method |
| CN101919156A (en) * | 2007-08-29 | 2010-12-15 | 罗伯特.博世有限公司 | Electrical machine |
| CN102611268A (en) * | 2011-01-20 | 2012-07-25 | 付强 | Double-speed brushless automobile motor |
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2014
- 2014-11-17 CN CN201410655238.8A patent/CN104393792A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5932372A (en) * | 1982-08-16 | 1984-02-21 | Mitsubishi Electric Corp | Closed type motor compressor |
| JPH06141575A (en) * | 1992-10-20 | 1994-05-20 | Matsushita Electric Ind Co Ltd | Floppy disc unit |
| CN2724292Y (en) * | 2004-08-30 | 2005-09-07 | 崔长利 | Low start current three phase asynchronous motor |
| CN101919156A (en) * | 2007-08-29 | 2010-12-15 | 罗伯特.博世有限公司 | Electrical machine |
| CN101834551A (en) * | 2010-05-27 | 2010-09-15 | 徐东旭 | Dual-purpose energy-saving motor for limiting starting current by changing winding connection method |
| CN102611268A (en) * | 2011-01-20 | 2012-07-25 | 付强 | Double-speed brushless automobile motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767466A (en) * | 2015-04-21 | 2015-07-08 | 山东理工大学 | Starting power generation system capable of achieving automatic winding switching |
| CN104767466B (en) * | 2015-04-21 | 2017-08-18 | 山东理工大学 | The starting-generating system that a kind of winding automatically switches |
| CN109507491A (en) * | 2018-10-19 | 2019-03-22 | 陕西航空电气有限责任公司 | Three-phase inverter voltage phase sequence detection circuit, device and method |
| CN110259687A (en) * | 2019-07-15 | 2019-09-20 | 珠海格力节能环保制冷技术研究中心有限公司 | The control method and air-conditioner set of compressor and compressor |
| CN112421839A (en) * | 2020-11-27 | 2021-02-26 | 陕西航空电气有限责任公司 | Winding structure of brushless direct-current starting generator |
| CN112421839B (en) * | 2020-11-27 | 2023-12-19 | 陕西航空电气有限责任公司 | Winding structure of brushless direct current starting generator |
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Application publication date: 20150304 |
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