CN103684007A - Static converter - Google Patents
Static converter Download PDFInfo
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- CN103684007A CN103684007A CN201310679806.3A CN201310679806A CN103684007A CN 103684007 A CN103684007 A CN 103684007A CN 201310679806 A CN201310679806 A CN 201310679806A CN 103684007 A CN103684007 A CN 103684007A
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- 230000003068 static effect Effects 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
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Abstract
The invention discloses static converters, and belongs to equipment for supplying power to emergency load of a civil aviation passenger aircraft. The static converter can meet the requirement for power of the emergency load of the passenger aircraft. The static converter comprises an input filter circuit, an output filter circuit and a conversion module. The conversion module is composed of a DC/DC conversion circuit (2), a DC/AC conversion circuit (3), a first drive circuit (8), a first control protective circuit (7), a second drive circuit (5) and a second control protective circuit (6). The input end and the output end of the DC/DC conversion circuit (2) are connected with the first control protective circuit (7), and the output end of the DC/AC conversion circuit (3) is connected with the second control protective circuit (6). The static converter can improve transient response parameters, is high in output voltage precision, has an output current limiting protecting function, has functions of output over-voltage protection, under-voltage protection, over-current protection, over-frequency protection, under-frequency protection and the like, and is a power supply device for the civil aviation passenger aircraft.
Description
Technical field
The present invention relates to a kind of static converter, relating in particular to a kind ofly provides the power-supply device of electric power for airline carriers of passengers emergency load.
Background technology
Static converter is that 28V direct current on airline carriers of passengers is converted to a kind of power-supply device that 115V, single-phase frequency are the output of 400Hz alternating current.At present; airborne current transformer exists that output voltage stability is poor, transient response parameter is undesirable, poor stability; the functions such as no-output overvoltage or under-voltage protection, output overcurrent protection, output overfrequency underfrequency protection, can not meet the electricity consumption requirement of airliner emergency load.
Summary of the invention
In order to overcome the defect existing in prior art, the present invention aims to provide a kind of static converter that can meet airliner emergency load electricity consumption requirement.
To achieve these goals, the present invention by the following technical solutions: it comprises the conversion module being connected between input filter circuit and output filter circuit; Described conversion module by the DC/DC translation circuit being connected with input filter circuit, be connected to the DC/AC translation circuit between this DC/DC translation circuit and output filter circuit, the first control protection electric circuit being connected with DC/DC translation circuit by the first drive circuit, the second control protection electric circuit of being connected with DC/AC translation circuit by the second drive circuit forms; the input of DC/DC translation circuit is connected with the first control protection electric circuit respectively with output, and the output of DC/AC translation circuit is connected with the second control protection electric circuit.
The first control protection electric circuit and the second control protection electric circuit form by the current regulator being connected with pulse width modulation circuit, the current sampling circuit being connected with this current regulator, the voltage sampling circuit that is connected with current regulator by voltage regulator.
In technique scheme, incoming wave device and output filter form by inductance and electric capacity, mainly strobe; The effect of DC/DC translation circuit is that input 28V direct current is transformed into the output of 180V direct current.
Compared with the prior art, the present invention is owing to having adopted technique scheme, therefore not only can improve transient response parameter, and output voltage precision high, have an output current limiting defencive function; Also there is the functions such as output overvoltage or under-voltage protection, output overcurrent protection, output overfrequency underfrequency protection simultaneously, can meet the electricity consumption requirement of airliner emergency load completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of DC/DC translation circuit of the present invention;
Fig. 3 is the schematic diagram of the present invention's the first control protection electric circuit, the second control protection electric circuit;
Fig. 4 is the schematic diagram of DC/AC translation circuit of the present invention.
In figure: input filter circuit 1, DC/DC translation circuit 2, DC/AC translation circuit 3, output filter circuit 4, the second drive circuit 5, the second control protection electric circuit 6, the first control protection electric circuit 7, the first drive circuit 8, pulse-width modulation circuit 9, current regulator 10, current sampling circuit 11, voltage regulator 12, voltage sampling circuit 13.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described:
As shown in Fig. 1～4: conversion module is connected between input filter circuit 1 and output filter circuit 4, this conversion module is by the DC/DC translation circuit 2 being connected with input filter circuit 1, be connected to the DC/AC translation circuit 3 between this DC/DC translation circuit and output filter circuit 4, by the first drive circuit 8 and DC/DC translation circuit) the first control protection electric circuit 7 of being connected, the second control protection electric circuit 6 being connected with DC/AC translation circuit 3 by the second drive circuit 5 forms, the input of DC/DC translation circuit 2 is connected with the first control protection electric circuit 7 respectively with output, the output of DC/AC translation circuit 3 is connected with the second control protection electric circuit 6.The first control protection electric circuit 4 and the second control protection electric circuit 7 are by the current regulator 10 being connected with pulse-width modulation circuit 9, the current sampling circuit 11 being connected with this current regulator, voltage sampling circuit 13 formations that are connected with current regulator 10 by voltage regulator 12.
As shown in Figure 2, what DC/DC translation circuit 2 adopted is push-pull topology circuit, and full-bridge filter and a low-pass filter circuit consisting of inductance and electric capacity that it consists of two groups of metal-oxide-semiconductors, transformer, four rectifier diodes form.
As shown in Figure 3, the second control protection electric circuit 6, the first control protection electric circuit 7 include a current regulator and a voltage control loop, and described voltage control loop, for controlling outer shroud, is mainly used in controlling output voltage values; Described current regulator is ring in controlling, and is used for improving the dynamic response parameter of current transformer.
As shown in Figure 4, the effect of DC/AC translation circuit 3 is the 180V direct current of input to be transformed into the single-phase alternating current output of 115V, 400Hz, and what its adopted is full-bridge topology circuit, and it is comprised of four groups of metal-oxide-semiconductors, filter inductance and filter capacitor.DC/AC translation circuit 3 is comprised of voltage control loop and current regulator, and control loop can make output waveform well follow reference wave, makes it to produce 400Hz, 115V and exchanges output electricity.
Claims (2)
1. a static converter, comprises the conversion module being connected between input filter circuit and output filter circuit, it is characterized in that: described conversion module is by the DC/DC translation circuit (2) being connected with input filter circuit (1), be connected to the DC/AC translation circuit (3) between this DC/DC translation circuit and output filter circuit (4), the first control protection electric circuit (7) being connected with DC/DC translation circuit (2) by the first drive circuit (8), the second control protection electric circuit (6) being connected with DC/AC translation circuit (3) by the second drive circuit (5) forms, the input of DC/DC translation circuit (2) is connected with the first control protection electric circuit (7) respectively with output, the output of DC/AC translation circuit (3) is connected with the second control protection electric circuit (6).
2. static converter according to claim 1, is characterized in that: the first control protection electric circuit (7) and the second control protection electric circuit (6) are by the current regulator (10) being connected with pulse-width modulation circuit (9), the current sampling circuit (11) being connected with this current regulator, voltage sampling circuit (13) formation that is connected with current regulator (10) by voltage regulator (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310679806.3A CN103684007A (en) | 2013-12-15 | 2013-12-15 | Static converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310679806.3A CN103684007A (en) | 2013-12-15 | 2013-12-15 | Static converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103684007A true CN103684007A (en) | 2014-03-26 |
Family
ID=50320564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310679806.3A Pending CN103684007A (en) | 2013-12-15 | 2013-12-15 | Static converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103684007A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843060A (en) * | 2012-09-11 | 2012-12-26 | 中船重工鹏力（南京）新能源科技有限公司 | Two-level two-direction current transformer and control method thereof |
| WO2013121618A1 (en) * | 2012-02-13 | 2013-08-22 | 三菱電機株式会社 | Power conversion device |
-
2013
- 2013-12-15 CN CN201310679806.3A patent/CN103684007A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013121618A1 (en) * | 2012-02-13 | 2013-08-22 | 三菱電機株式会社 | Power conversion device |
| CN102843060A (en) * | 2012-09-11 | 2012-12-26 | 中船重工鹏力（南京）新能源科技有限公司 | Two-level two-direction current transformer and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |