CN202931196U - Aeronautic ground direct-current static power - Google Patents
Aeronautic ground direct-current static power Download PDFInfo
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- CN202931196U CN202931196U CN 201220675055 CN201220675055U CN202931196U CN 202931196 U CN202931196 U CN 202931196U CN 201220675055 CN201220675055 CN 201220675055 CN 201220675055 U CN201220675055 U CN 201220675055U CN 202931196 U CN202931196 U CN 202931196U
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- rectification
- current
- power supply
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Abstract
The utility model relates to a power supply device, specifically to an aeronautic ground direct-current static power which comprises a three-phase alternating current power supply and is characterized by being provided with a rectifier module I, a filter direct current capacitor bank, an inverting module and a rectifier module II. The three-phase alternating current power supply is rectified by the rectifier module I to generate direct current; the direct current undergoes filtering by the filter direct current capacitor bank and undergoes inversion by the inverting module to generate high-frequency alternating current; and rectification is carried out by the rectifier module II to output direct current. The aeronautic ground direct-current static power has characteristics of low ripple voltage, wide direct-current output adjustment range, high transient performance and the like.
Description
Technical field
The utility model relates to power supply device.A kind of Ground direct current static power source specifically.
Background technology
Development along with aircraft industry, electric property to aero-ground power requires more and more higher, for DC power supply, especially Ground direct current static power source requires usually that it can adapt to for a long time, safety, stable, reliable, efficient operation uses.And require its output voltage to have good quality, and the deficiency of existing Ground direct current static power source is: ripple voltage is large, direct current output adjusting range is narrow, transient response is poor.
Summary of the invention
The purpose of this utility model is to utilize the power converter technology, improve the electric property of DC power output voltage, compare with traditional silicon controlled rectification power source that to have a ripple voltage less, direct current output adjusting range is wider, the better Ground direct current of transient response static power source.
The technical scheme that its technical problem that solves the utility model adopts is:
a kind of Ground direct current static power source, comprise the three-phase alternating-current powered power supply, it is characterized in that being provided with the rectification module I, filtering dc capacitor group, inversion module and rectification module II, the three-phase alternating-current powered power supply produces direct current by the rectification of rectification module I, after the filtering of filtering dc capacitor group, produce high-frequency alternating current by the inversion module inversion, pass through again rectification module II rectification output DC, compare with traditional silicon controlled rectification power source, because its voltage is to be obtained by the high-frequency alternating current rectifying and wave-filtering, very little of the ripple of its direct voltage, the amplitude of the high-frequency alternating current that can produce inversion in the power converter process is controlled, thereby make the direct current output adjusting range that obtains through rectification module wider, by adopting " interchange-AC/DC-direct current " mapping mode, make its transient response better, stronger to the load-carrying sudden change adaptive capacity of power supply supply institute.
The I of rectification module described in the utility model is to realize AC-DC converter by silicon controlled module, controls through the control system of power supply, makes switching process reach the effect of soft start.
Inversion module described in the utility model is to complete the DC-AC transformation of electrical energy by the IGBT module, adopts pulse width modulating technology to realize the output of high-frequency ac electric energy.
The II of rectification module described in the utility model is to realize the rectifying conversion of AC-DC by diode.
The utility model can be provided with isolating transformer in the rectification module II, to realize the voltage of the different no-load voltage ratios of output, reach the wider effect of direct current output adjusting range.
When selecting the lower transformer of output voltage, rectification output 28V direct current; When selecting the higher transformer of output voltage, rectification output 270V direct current.
The utility model is owing to adopting said structure, and is stronger to the load-carrying sudden change adaptive capacity of power supply supply institute, has the advantages such as ripple voltage is little, direct current output adjusting range is wide, transient response is better.
Description of drawings
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is the rectification module circuit diagram of output direct current in the utility model.
Reference numeral: 1. communication power supply, 2. rectification module, 3. dc capacitor group, 4. inversion module, 5. rectification module, 6. high-frequency impulse input, 7. direct current energy output, 8. isolating transformer.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Embodiment as shown in drawings: 50Hz or 60Hz three-phase alternating-current powered power supply (1) are produced direct current by rectification module (2), again after filtering dc capacitor group (3) filtering, produce high-frequency alternating current by inversion module (4) inversion, again pass through rectification module (5) rectification output DC, wherein three-phase alternating-current powered power supply (1) provides conversion required energy source, its frequency can be 50Hz or 60Hz, and its voltage is generally 230V/400V; Rectification module (2) is responsible for the transformation of electrical energy of " interchange-direct current ", and its conversion realizes normally passing through silicon controlled module, controls through the control system of power supply to make switching process reach the effect of soft start; Dc capacitor group (3) has played the effect of filtering and energy storage, and by the sampling to direct voltage, power supply unit can be monitored the operating state of whole power supply; Inversion module (4) is responsible for the transformation of electrical energy of " AC/DC ", and its conversion realizes normally completing by the IGBT module, adopts pulse width modulating technology to realize the output of high-frequency ac electric energy; Rectification module (5) is responsible for the transformation of electrical energy of " interchange-direct current ", and its conversion realizes passing through diode rectification.Thereby the power converter process has been completed in the combination through above functional module, realized the AC energy input, direct current energy output, this power supply device can provide the direct current output of 28V or 270V, its implementation is by last switching process, as shown in Figure 2, selects the isolating transformer (8) of different no-load voltage ratios to realize in rectification module, when selecting the lower transformer of output voltage, rectification output 28V direct current; When selecting the higher transformer of output voltage, rectification output 270V direct current.
The utility model is owing to adopting said structure, and is stronger to the load-carrying sudden change adaptive capacity of power supply supply institute, has the advantages such as ripple voltage is little, direct current output adjusting range is wide, transient response is better.
Claims (5)
1. Ground direct current static power source, comprise the three-phase alternating-current powered power supply, it is characterized in that being provided with rectification module I, filtering dc capacitor group, inversion module and rectification module II, the three-phase alternating-current powered power supply produces direct current by the rectification of rectification module I, after the filtering of filtering dc capacitor group, produce high-frequency alternating current by the inversion module inversion, then pass through rectification module II rectification output DC.
2. a kind of Ground direct current static power source according to claim 1, is characterized in that described rectification module I is to realize the AC-DC transformation of electrical energy by silicon controlled module.
3. a kind of Ground direct current static power source according to claim 1, is characterized in that described inversion module is to complete the DC-AC transformation of electrical energy by the IGBT module.
4. a kind of Ground direct current static power source according to claim 1, is characterized in that described rectification module II is to realize the rectifying conversion of AC-DC by diode.
5. a kind of Ground direct current static power source according to claim 1, is characterized in that the rectification module II is to realize the voltage of the different no-load voltage ratios of output by isolating transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675055 CN202931196U (en) | 2012-12-10 | 2012-12-10 | Aeronautic ground direct-current static power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675055 CN202931196U (en) | 2012-12-10 | 2012-12-10 | Aeronautic ground direct-current static power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931196U true CN202931196U (en) | 2013-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675055 Expired - Lifetime CN202931196U (en) | 2012-12-10 | 2012-12-10 | Aeronautic ground direct-current static power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099215A (en) * | 2014-05-21 | 2015-11-25 | 济南芯驰能源科技有限公司 | Aircraft ground miniaturization power supply suitable for multiple power supply modes |
-
2012
- 2012-12-10 CN CN 201220675055 patent/CN202931196U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099215A (en) * | 2014-05-21 | 2015-11-25 | 济南芯驰能源科技有限公司 | Aircraft ground miniaturization power supply suitable for multiple power supply modes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
|
| CX01 | Expiry of patent term |