CN204190627U - A kind of power supply that frequency turns mutually between military-civil power supply - Google Patents
A kind of power supply that frequency turns mutually between military-civil power supply Download PDFInfo
- Publication number
- CN204190627U CN204190627U CN201420488133.3U CN201420488133U CN204190627U CN 204190627 U CN204190627 U CN 204190627U CN 201420488133 U CN201420488133 U CN 201420488133U CN 204190627 U CN204190627 U CN 204190627U
- Authority
- CN
- China
- Prior art keywords
- transformer
- power supply
- triode
- electric capacity
- military
- 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.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000007726 management method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000035800 maturation Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model provides a kind of power supply that frequency turns mutually between military-civil power supply, comprise: the linked switch K21 be connected with three input interfaces, the electromagnetic interference electromagnetic interface filter be connected with linked switch K21, by the relay J D21 that diode is connected with electromagnetic interface filter, three DC/AC change-over circuits, and the transformer T21, transformer T22 and the transformer T23 that are connected with described three DC/AC change-over circuits respectively; Three DC/AC change-over circuits include triode QA, triode QB, triode QC, triode QD, and the triode QA of series connection and triode QC is in parallel with the triode QB connected and triode QD.Power supply of the present utility model, when being applied to war products, not needing to consider power interface problem, reduces secondary development, cost saving; Overall planning, centralized management can be carried out according to the characteristics of power supply of system to this power supply, be convenient to the optimal design of whole system, be convenient to safeguard.
Description
Technical field
The utility model relates to a kind of AC frequency conversion variable-voltage power supply, particularly relates to the power supply that a kind of input and output freely turn mutually between the military-civil supply frequency of 50Hz, 60Hz and 400Hz.
Background technology
In 50Hz, 60Hz and 400Hz tri-kinds of frequencies, 50Hz, 60Hz belong to the frequency of folk power supply, and 400HZ belongs to the frequency of Military Power.Under many Military Application occasions, often run into the hybrid system that the technical grade of technology maturation, civilian goods level product and war products are formed.In this type systematic, the equipment of Min Zhuan army technology maturation, often runs into the problem that 400HZ interface power is incompatible.The special equipment of employing is simply subject to again the restriction of expense and the factor such as effective, and the speciality of civilian goods or industrial goods easily goes wrong, and maintenanceability is deteriorated, especially under condition of external field can more unfavorable.So need to use dual-use two cover frequency of supplies to carry out turning to adapt to different loads mutually, make it the compatibility of completion system on power supply.It forms a subsystem as each technical grade product in an embedded power supply and system or war products, this ensure that system-wide reliability, has saved a large amount of basic expenses, has also improved maintainability.
Utility model content
The utility model to design a kind of power supply that freely can turn mutually between 50Hz, 60Hz and 400Hz, solves the problem producing poor compatibility at the military-civil power supply chien shih power supply of these three kinds of frequencies.Exchanging incoming frequency is 50Hz, 60Hz or 400Hz, and ac output frequency is 50Hz, 60Hz or 400Hz, can select arbitrarily unrestricted.
A kind of power supply that frequency turns mutually between military-civil power supply, comprise: A phase input interface, B phase input interface and C phase input interface, the linked switch K21 be connected with described three input interfaces, electromagnetic interference (EMI) filter be connected with linked switch K21, by the relay J D21 that diode is connected with electromagnetic interface filter, A phase DC/AC change-over circuit, B phase DC/AC change-over circuit, C phase DC/AC change-over circuit, and the transformer T21, transformer T22 and the transformer T23 that are connected with described three DC/AC change-over circuits respectively; Wherein, transformer T21, transformer T22 and the secondary side of transformer T23 are connected A phase output interface, B phase output interface and C phase output interface respectively; Three described DC/AC change-over circuits include triode QA, triode QB, triode QC, triode QD, and the triode QA of series connection and triode QC is in parallel with the triode QB connected and triode QD.
In preferred scheme, the described power supply that frequency turns mutually between military-civil power supply also comprises transformer T24, transformer T25 and transformer T26, and the primary side of transformer T24, transformer T25 and transformer T26 is separately positioned on the secondary side of transformer T21, transformer T22 and transformer T23 with A phase output interface, between B phase output interface and C phase output interface.
In preferred scheme, the described power supply that frequency turns mutually between military-civil power supply also comprises electric capacity C23, electric capacity C24 and electric capacity C25, and electric capacity C23, electric capacity C24 and electric capacity C25 are in parallel with the secondary side of transformer T21, transformer T22 and transformer T23 respectively.
In preferred scheme, the described power supply that frequency turns mutually between military-civil power supply also comprises resistance R21, resistance R22, electric capacity C21 and electric capacity C22, and resistance R21 in parallel and electric capacity C21 is in series with resistance R22 in parallel and electric capacity C22.
In preferred scheme, electromagnetic interface filter comprises filter capacitor in parallel and common mode inductance.
The beneficial effects of the utility model are as follows:
1, there is frequency to turn power supply mutually, when the product for civilian use of technology maturation is applied to war products, has not needed to consider power interface problem, reduce secondary development, cost saving.
2, frequency turns the subsystem of power supply as hybrid system mutually, can carry out overall planning, centralized management, be convenient to the optimal design of whole system according to the characteristics of power supply of system, is convenient to safeguard.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of power supply that frequency turns mutually between military-civil power supply of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The present invention can make incoming frequency and output frequency mutually convert freely between 50HZ, 60HZ, 400HZ.That is: exchanging incoming frequency is 50Hz, 60Hz or 400Hz; Ac output frequency is the arbitrary value in 50Hz, 60Hz or 400Hz.
See Fig. 1, power supply of the present utility model comprises: A phase input interface, B phase input interface and C phase input interface, the linked switch K21 be connected with described three input interfaces, the electromagnetic interface filter be connected with linked switch K21, by the relay J D21 that diode is connected with electromagnetic interface filter, A phase DC/AC change-over circuit, B phase DC/AC change-over circuit, C phase DC/AC change-over circuit, and the transformer T21, transformer T22 and the transformer T23 that are connected with described three DC/AC change-over circuits respectively; Wherein, transformer T21, transformer T22 and the secondary side of transformer T23 are connected A phase output interface, B phase output interface and C phase output interface respectively; Three described DC/AC change-over circuits include triode QA, triode QB, triode QC, triode QD, and the triode QA of series connection and triode QC is in parallel with the triode QB connected and triode QD.
Wherein, electromagnetic interface filter is universal design, such as, can comprise filter capacitor in parallel and common mode inductance.
In preferred scheme, the described power supply that frequency turns mutually between military-civil power supply also comprises transformer T24, transformer T25 and transformer T26, and the primary side of transformer T24, transformer T25 and transformer T26 is separately positioned on the secondary side of transformer T21, transformer T22 and transformer T23 with A phase output interface, between B phase output interface and C phase output interface.
In preferred scheme, the described power supply that frequency turns mutually between military-civil power supply also comprises electric capacity C23, electric capacity C24 and electric capacity C25, and electric capacity C23, electric capacity C24 and electric capacity C25 are in parallel with the secondary side of transformer T21, transformer T22 and transformer T23 respectively.
In preferred scheme, the described power supply that frequency turns mutually between military-civil power supply also comprises resistance R21, resistance R22, electric capacity C21 and electric capacity C22, and resistance R21 in parallel and electric capacity C21 is in series with resistance R22 in parallel and electric capacity C22.
This capable AC input voltage is single-phase electricity needed for system or three-phase electricity, and output voltage mates input and output contravariant transformer no-load voltage ratio needed for system.Three-phase inverter selects the major loop of three single-phase inverter compound modes, can adapt to 100% unbalanced load.The full-bridge inverter based on one pole frequency multiplier type (SPWM) modulation control selected by each phase inverter.
Can under the major loop of simultaneously 50Hz, 60Hz or 400Hz, select same carrier frequency, then the carrier frequency ratio of 400HZ diminishes.Therefore inverter adopts the modulation of one pole multiple-frequency SPWM.So-called frequency multiplication refers to that the ripple frequency of the output voltage of inverter bridge is the twice of switching frequency.The advantage of one pole frequency multiplication SPWM voltage regulating mode method is: under same switching frequency, the ripple frequency of output voltage doubles, and the ripple current frequencies of output inductor is doubled.Therefore only need less inductance and capacitor filtering device, just can play same filter effect, no matter export the voltage and current waveform that 50Hz, 60Hz or 400HzJ all can obtain high-quality.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. the power supply that frequency turns mutually between military-civil power supply, it is characterized in that, comprise: A phase input interface, B phase input interface and C phase input interface, the linked switch K21 be connected with described three input interfaces, the electromagnetic interference electromagnetic interface filter be connected with linked switch K21, by the relay J D21 that diode is connected with electromagnetic interface filter, A phase DC/AC change-over circuit, B phase DC/AC change-over circuit, C phase DC/AC change-over circuit, and the transformer T21, transformer T22 and the transformer T23 that are connected with described three DC/AC change-over circuits respectively; Wherein, transformer T21, transformer T22 and the secondary side of transformer T23 are connected A phase output interface, B phase output interface and C phase output interface respectively; Three described DC/AC change-over circuits include triode QA, triode QB, triode QC, triode QD, and the triode QA of series connection and triode QC is in parallel with the triode QB connected and triode QD.
2. a kind of power supply that frequency turns mutually between military-civil power supply according to claim 1, it is characterized in that, also comprise transformer T24, transformer T25 and transformer T26, the primary side of transformer T24, transformer T25 and transformer T26 is separately positioned on the secondary side of transformer T21, transformer T22 and transformer T23 with A phase output interface, between B phase output interface and C phase output interface.
3. a kind of power supply that frequency turns mutually between military-civil power supply according to claim 1, it is characterized in that, also comprise electric capacity C23, electric capacity C24 and electric capacity C25, electric capacity C23, electric capacity C24 and electric capacity C25 are in parallel with the secondary side of transformer T21, transformer T22 and transformer T23 respectively.
4. a kind of power supply that frequency turns mutually between military-civil power supply according to claim 1, it is characterized in that, also comprise resistance R21, resistance R22, electric capacity C21 and electric capacity C22, resistance R21 in parallel and electric capacity C21 is in series with resistance R22 in parallel and electric capacity C22.
5. a kind of power supply that frequency turns mutually between military-civil power supply according to claim 1, is characterized in that, electromagnetic interface filter comprises filter capacitor in parallel and common mode inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488133.3U CN204190627U (en) | 2014-08-27 | 2014-08-27 | A kind of power supply that frequency turns mutually between military-civil power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488133.3U CN204190627U (en) | 2014-08-27 | 2014-08-27 | A kind of power supply that frequency turns mutually between military-civil power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190627U true CN204190627U (en) | 2015-03-04 |
Family
ID=52622596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420488133.3U Expired - Fee Related CN204190627U (en) | 2014-08-27 | 2014-08-27 | A kind of power supply that frequency turns mutually between military-civil power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936191A (en) * | 2017-04-19 | 2017-07-07 | 深圳市菊水皇家科技有限公司 | A kind of charging pile power module controls circuit |
-
2014
- 2014-08-27 CN CN201420488133.3U patent/CN204190627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936191A (en) * | 2017-04-19 | 2017-07-07 | 深圳市菊水皇家科技有限公司 | A kind of charging pile power module controls circuit |
| CN106936191B (en) * | 2017-04-19 | 2021-11-12 | 深圳华源技术实业有限公司 | Fill electric pile power module control circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111030152B (en) | Energy storage converter system and control method thereof | |
| CN1808832B (en) | Circuit apparatus applicable to middle and high power UPS | |
| CN108604858A (en) | Plug and play ripple for the DC voltage link in power electronic system and DC power grids calms down device | |
| CN102624258A (en) | Non-isolated symmetric self-coupling 18-pulse rectification power supply system | |
| CN201130909Y (en) | Removable shore power supply | |
| US20140218982A1 (en) | T-Connected Autotransformer-Based 40-Pulse AC-DC Converter for Power Quality Improvement | |
| Sahoo et al. | A new power factor correction technique using PFC boost converter | |
| CN104836463A (en) | Mixing transformation system based on three-phase PWM rectification and multi-unit uncontrolled rectification | |
| KR101609245B1 (en) | Apparatus for storing energy | |
| CN205490225U (en) | Two -way ACDC circuit of high -frequency chopper isolated form | |
| Sędłak et al. | Operation of four-leg three-level flying capacitor grid-connected converter for RES | |
| CN204190627U (en) | A kind of power supply that frequency turns mutually between military-civil power supply | |
| CN107171575A (en) | Rectification circuit | |
| US9438132B2 (en) | Multilevel AC/DC power converting method and converter device thereof | |
| CN102222966A (en) | Uninterrupted power supply | |
| CN106230297B (en) | A kind of multifunctional intellectual bi-directional inverter | |
| CN103944244A (en) | PWM electric vehicle charging power supply and charging station based on PWM charging power supply | |
| CN204013263U (en) | A kind of stabilized voltage power supply | |
| CN107482764B (en) | Uninterrupted power source's structure | |
| CN202712854U (en) | Wide-voltage-range harmonic interference resistant LED mining lamp | |
| CN206865367U (en) | A kind of Passively compensated low harmony wave 12 pulsating wave self coupling transformer rectifier circuit | |
| de Almeida et al. | Modulation technique for a single-stage three-phase bidirectional AC/DC converter with PFC and high-frequency isolation | |
| CN205544952U (en) | A variable -frequency power supply | |
| Choi et al. | Parallel system of bidirectional DC/DC converter for improvement of transient response in DC distribution system for building applications | |
| Dos Santos et al. | Active power line conditioner applied to single-phase to three-phase systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250132, Kaiyuan Road, Licheng District, Shandong, Ji'nan 189 Patentee after: Shandong core energy technology Co.,Ltd. Address before: 250132, Kaiyuan Road, Licheng District, Shandong, Ji'nan 189 Patentee before: JINAN SINCHIP ELECTRONICS CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |